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gecko/layout/generic/nsObjectFrame.cpp
Doug Turner e342d43d13 Bug 550545 - The NPAPI ImageExpose event should be disabled when building for Qt. r=vlad 
--HG--
extra : rebase_source : b66a81ba5a019e7da387eb81d4fd2454be196fe7
2010-03-10 15:01:46 -08:00

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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
// vim:set ts=2 sts=2 sw=2 et cin:
/* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Mozilla Communicator client code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Pierre Phaneuf <pp@ludusdesign.com>
* Jacek Piskozub <piskozub@iopan.gda.pl>
* Leon Sha <leon.sha@sun.com>
* Roland Mainz <roland.mainz@informatik.med.uni-giessen.de>
* Robert O'Callahan <roc+moz@cs.cmu.edu>
* Christian Biesinger <cbiesinger@web.de>
* Josh Aas <josh@mozilla.com>
* Mats Palmgren <mats.palmgren@bredband.net>
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
/* rendering objects for replaced elements implemented by a plugin */
#ifdef MOZ_X11
#ifdef MOZ_WIDGET_QT
#include <QWidget>
#include <QX11Info>
#endif
#endif
#include "nscore.h"
#include "nsCOMPtr.h"
#include "nsPresContext.h"
#include "nsIPresShell.h"
#include "nsWidgetsCID.h"
#include "nsIView.h"
#include "nsIViewManager.h"
#include "nsIDOMKeyListener.h"
#include "nsIDOMDragEvent.h"
#include "nsIPluginHost.h"
#include "nsString.h"
#include "nsReadableUtils.h"
#include "prmem.h"
#include "nsGkAtoms.h"
#include "nsIAppShell.h"
#include "nsIDocument.h"
#include "nsINodeInfo.h"
#include "nsIURL.h"
#include "nsNetUtil.h"
#include "nsIPluginInstanceOwner.h"
#include "nsIPluginInstance.h"
#include "nsIPluginTagInfo.h"
#include "plstr.h"
#include "nsILinkHandler.h"
#include "nsIScrollPositionListener.h"
#include "nsITimer.h"
#include "nsIDocShellTreeItem.h"
#include "nsIDocShellTreeOwner.h"
#include "nsDocShellCID.h"
#include "nsIWebBrowserChrome.h"
#include "nsIDOMElement.h"
#include "nsIDOMNodeList.h"
#include "nsIDOMHTMLObjectElement.h"
#include "nsIDOMHTMLEmbedElement.h"
#include "nsIDOMHTMLAppletElement.h"
#include "nsIDOMWindow.h"
#include "nsIDOMDocumentEvent.h"
#include "nsIDOMMouseListener.h"
#include "nsIDOMMouseMotionListener.h"
#include "nsIDOMFocusListener.h"
#include "nsIDOMContextMenuListener.h"
#include "nsIDOMEventTarget.h"
#include "nsIDOMNSEvent.h"
#include "nsIPrivateDOMEvent.h"
#include "nsIDocumentEncoder.h"
#include "nsXPIDLString.h"
#include "nsIDOMRange.h"
#include "nsIPluginWidget.h"
#include "nsGUIEvent.h"
#include "nsIRenderingContext.h"
#include "npapi.h"
#include "nsTransform2D.h"
#include "nsIImageLoadingContent.h"
#include "nsIObjectLoadingContent.h"
#include "nsPIDOMWindow.h"
#include "nsIDOMElement.h"
#include "nsContentUtils.h"
#include "nsDisplayList.h"
#include "nsAttrName.h"
#include "nsDataHashtable.h"
#include "nsDOMClassInfo.h"
#include "nsFocusManager.h"
#include "nsLayoutUtils.h"
#include "nsFrameManager.h"
#include "nsComponentManagerUtils.h"
#include "nsIObserverService.h"
#include "nsIScrollableFrame.h"
// headers for plugin scriptability
#include "nsIScriptGlobalObject.h"
#include "nsIScriptContext.h"
#include "nsIXPConnect.h"
#include "nsIXPCScriptable.h"
#include "nsIClassInfo.h"
#include "nsIDOMClientRect.h"
#include "nsObjectFrame.h"
#include "nsIObjectFrame.h"
#include "nsPluginNativeWindow.h"
#include "nsIPluginDocument.h"
#include "nsThreadUtils.h"
#include "gfxContext.h"
#ifdef XP_WIN
#include "gfxWindowsNativeDrawing.h"
#include "gfxWindowsSurface.h"
#endif
#include "gfxImageSurface.h"
// accessibility support
#ifdef ACCESSIBILITY
#include "nsIAccessibilityService.h"
#endif
#ifdef MOZ_LOGGING
#define FORCE_PR_LOG 1 /* Allow logging in the release build */
#endif /* MOZ_LOGGING */
#include "prlog.h"
#include <errno.h>
#include "nsContentCID.h"
static NS_DEFINE_CID(kRangeCID, NS_RANGE_CID);
static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
#ifdef XP_MACOSX
#include "gfxQuartzNativeDrawing.h"
#include "nsPluginUtilsOSX.h"
#endif
#ifdef MOZ_X11
#include <X11/Xlib.h>
/* X headers suck */
enum { XKeyPress = KeyPress };
#ifdef KeyPress
#undef KeyPress
#endif
#if (MOZ_PLATFORM_MAEMO == 5) && defined(MOZ_WIDGET_GTK2)
#define MOZ_COMPOSITED_PLUGINS 1
#define MOZ_USE_IMAGE_EXPOSE 1
#include "gfxXlibSurface.h"
#include <X11/Xutil.h>
#include <X11/Xatom.h>
#include <X11/extensions/XShm.h>
#include <sys/ipc.h>
#include <sys/shm.h>
#endif
#ifdef MOZ_WIDGET_GTK2
#include <gdk/gdk.h>
#include <gdk/gdkx.h>
#include <gtk/gtk.h>
#endif
#endif
#ifdef MOZ_WIDGET_GTK2
#include "gfxGdkNativeRenderer.h"
#endif
#ifdef MOZ_WIDGET_QT
#include "gfxQtNativeRenderer.h"
#endif
#ifdef XP_WIN
#include <wtypes.h>
#include <winuser.h>
#ifdef MOZ_IPC
#define NS_OOPP_DOUBLEPASS_MSGID TEXT("MozDoublePassMsg")
#endif
#endif
#ifdef XP_OS2
#define INCL_PM
#define INCL_GPI
#include <os2.h>
#endif
#ifdef CreateEvent // Thank you MS.
#undef CreateEvent
#endif
#ifdef PR_LOGGING
static PRLogModuleInfo *nsObjectFrameLM = PR_NewLogModule("nsObjectFrame");
#endif /* PR_LOGGING */
#if defined(XP_MACOSX) && !defined(NP_NO_CARBON)
#define MAC_CARBON_PLUGINS
#endif
// special class for handeling DOM context menu events because for
// some reason it starves other mouse events if implemented on the
// same class
class nsPluginDOMContextMenuListener : public nsIDOMContextMenuListener
{
public:
nsPluginDOMContextMenuListener();
virtual ~nsPluginDOMContextMenuListener();
NS_DECL_ISUPPORTS
NS_IMETHOD ContextMenu(nsIDOMEvent* aContextMenuEvent);
nsresult Init(nsIContent* aContent);
nsresult Destroy(nsIContent* aContent);
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent)
{
return NS_OK;
}
nsEventStatus ProcessEvent(const nsGUIEvent& anEvent)
{
return nsEventStatus_eConsumeNoDefault;
}
};
class nsPluginInstanceOwner : public nsIPluginInstanceOwner,
public nsIPluginTagInfo,
public nsIDOMMouseListener,
public nsIDOMMouseMotionListener,
public nsIDOMKeyListener,
public nsIDOMFocusListener,
public nsIScrollPositionListener
{
public:
nsPluginInstanceOwner();
virtual ~nsPluginInstanceOwner();
NS_DECL_ISUPPORTS
//nsIPluginInstanceOwner interface
NS_DECL_NSIPLUGININSTANCEOWNER
NS_IMETHOD GetURL(const char *aURL, const char *aTarget,
nsIInputStream *aPostStream,
void *aHeadersData, PRUint32 aHeadersDataLen);
NS_IMETHOD ShowStatus(const PRUnichar *aStatusMsg);
NPError ShowNativeContextMenu(NPMenu* menu, void* event);
NPBool ConvertPoint(double sourceX, double sourceY, NPCoordinateSpace sourceSpace,
double *destX, double *destY, NPCoordinateSpace destSpace);
//nsIPluginTagInfo interface
NS_DECL_NSIPLUGINTAGINFO
// nsIDOMMouseListener interfaces
NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent);
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
// nsIDOMMouseMotionListener interfaces
NS_IMETHOD MouseMove(nsIDOMEvent* aMouseEvent);
NS_IMETHOD DragMove(nsIDOMEvent* aMouseEvent) { return NS_OK; }
// nsIDOMKeyListener interfaces
NS_IMETHOD KeyDown(nsIDOMEvent* aKeyEvent);
NS_IMETHOD KeyUp(nsIDOMEvent* aKeyEvent);
NS_IMETHOD KeyPress(nsIDOMEvent* aKeyEvent);
// nsIDOMFocusListener interfaces
NS_IMETHOD Focus(nsIDOMEvent * aFocusEvent);
NS_IMETHOD Blur(nsIDOMEvent * aFocusEvent);
nsresult Destroy();
void PrepareToStop(PRBool aDelayedStop);
#ifdef XP_WIN
void Paint(const RECT& aDirty, HDC aDC);
#elif defined(XP_MACOSX)
void Paint(const gfxRect& aDirtyRect, CGContextRef cgContext);
#elif defined(MOZ_X11) || defined(MOZ_DFB)
void Paint(gfxContext* aContext,
const gfxRect& aFrameRect,
const gfxRect& aDirtyRect);
#elif defined(XP_OS2)
void Paint(const nsRect& aDirtyRect, HPS aHPS);
#endif
#ifdef MAC_CARBON_PLUGINS
void CancelTimer();
void StartTimer(PRBool isVisible);
#endif
void SendIdleEvent();
// nsIScrollPositionListener interface
virtual void ScrollPositionWillChange(nscoord aX, nscoord aY);
virtual void ScrollPositionDidChange(nscoord aX, nscoord aY);
//locals
nsresult Init(nsPresContext* aPresContext, nsObjectFrame* aFrame,
nsIContent* aContent);
void* GetPluginPortFromWidget();
void ReleasePluginPort(void* pluginPort);
void SetPluginHost(nsIPluginHost* aHost);
nsEventStatus ProcessEvent(const nsGUIEvent & anEvent);
#ifdef XP_MACOSX
NPDrawingModel GetDrawingModel();
NPEventModel GetEventModel();
void* FixUpPluginWindow(PRInt32 inPaintState);
// Set a flag that (if true) indicates the plugin port info has changed and
// SetWindow() needs to be called.
void SetPluginPortChanged(PRBool aState) { mPluginPortChanged = aState; }
// Return a pointer to the internal nsPluginPort structure that's used to
// store a copy of plugin port info and to detect when it's been changed.
void* GetPluginPortCopy();
// Set plugin port info in the plugin (in the 'window' member of the
// NPWindow structure passed to the plugin by SetWindow()) and set a
// flag (mPluginPortChanged) to indicate whether or not this info has
// changed, and SetWindow() needs to be called again.
void* SetPluginPortAndDetectChange();
// Flag when we've set up a Thebes (and CoreGraphics) context in
// nsObjectFrame::PaintPlugin(). We need to know this in
// FixUpPluginWindow() (i.e. we need to know when FixUpPluginWindow() has
// been called from nsObjectFrame::PaintPlugin() when we're using the
// CoreGraphics drawing model).
void BeginCGPaint();
void EndCGPaint();
#endif
void SetOwner(nsObjectFrame *aOwner)
{
mObjectFrame = aOwner;
}
PRUint32 GetLastEventloopNestingLevel() const {
return mLastEventloopNestingLevel;
}
static PRUint32 GetEventloopNestingLevel();
void ConsiderNewEventloopNestingLevel() {
PRUint32 currentLevel = GetEventloopNestingLevel();
if (currentLevel < mLastEventloopNestingLevel) {
mLastEventloopNestingLevel = currentLevel;
}
}
const char* GetPluginName()
{
if (mInstance && mPluginHost) {
const char* name = NULL;
if (NS_SUCCEEDED(mPluginHost->GetPluginName(mInstance, &name)) && name)
return name;
}
return "";
}
PRBool SendNativeEvents()
{
#ifdef XP_WIN
return mPluginWindow->type == NPWindowTypeDrawable &&
MatchPluginName("Shockwave Flash");
#elif defined(MOZ_X11)
return PR_TRUE;
#else
return PR_FALSE;
#endif
}
PRBool MatchPluginName(const char *aPluginName)
{
return strncmp(GetPluginName(), aPluginName, strlen(aPluginName)) == 0;
}
#ifdef MOZ_USE_IMAGE_EXPOSE
nsresult SetAbsoluteScreenPosition(nsIDOMElement* element,
nsIDOMClientRect* position,
nsIDOMClientRect* clip);
#endif
private:
void FixUpURLS(const nsString &name, nsAString &value);
nsPluginNativeWindow *mPluginWindow;
nsCOMPtr<nsIPluginInstance> mInstance;
nsObjectFrame *mObjectFrame; // owns nsPluginInstanceOwner
nsCOMPtr<nsIContent> mContent;
nsCString mDocumentBase;
char *mTagText;
nsCOMPtr<nsIWidget> mWidget;
nsCOMPtr<nsIPluginHost> mPluginHost;
#ifdef XP_MACOSX
NP_CGContext mCGPluginPortCopy;
NP_Port mQDPluginPortCopy;
PRInt32 mInCGPaintLevel;
#endif
// Initially, the event loop nesting level we were created on, it's updated
// if we detect the appshell is on a lower level as long as we're not stopped.
// We delay DoStopPlugin() until the appshell reaches this level or lower.
PRUint32 mLastEventloopNestingLevel;
PRPackedBool mContentFocused;
PRPackedBool mWidgetVisible; // used on Mac to store our widget's visible state
PRPackedBool mPluginPortChanged;
// If true, destroy the widget on destruction. Used when plugin stop
// is being delayed to a safer point in time.
PRPackedBool mDestroyWidget;
PRUint16 mNumCachedAttrs;
PRUint16 mNumCachedParams;
char **mCachedAttrParamNames;
char **mCachedAttrParamValues;
#ifdef MOZ_COMPOSITED_PLUGINS
nsIntPoint mLastPoint;
#endif
#ifdef XP_MACOSX
NPEventModel mEventModel;
#endif
// pointer to wrapper for nsIDOMContextMenuListener
nsRefPtr<nsPluginDOMContextMenuListener> mCXMenuListener;
nsresult DispatchKeyToPlugin(nsIDOMEvent* aKeyEvent);
nsresult DispatchMouseToPlugin(nsIDOMEvent* aMouseEvent);
nsresult DispatchFocusToPlugin(nsIDOMEvent* aFocusEvent);
nsresult EnsureCachedAttrParamArrays();
#ifdef MOZ_COMPOSITED_PLUGINS
nsEventStatus ProcessEventX11Composited(const nsGUIEvent & anEvent);
#endif
#if defined(MOZ_WIDGET_GTK2)
class Renderer : public gfxGdkNativeRenderer {
public:
Renderer(NPWindow* aWindow, nsIPluginInstance* aInstance,
const nsIntSize& aPluginSize, const nsIntRect& aDirtyRect)
: mWindow(aWindow), mInstance(aInstance),
mPluginSize(aPluginSize), mDirtyRect(aDirtyRect)
{}
virtual nsresult NativeDraw(GdkDrawable * drawable, short offsetX,
short offsetY, GdkRectangle * clipRects, PRUint32 numClipRects);
private:
NPWindow* mWindow;
nsIPluginInstance* mInstance;
const nsIntSize& mPluginSize;
const nsIntRect& mDirtyRect;
};
#elif defined(MOZ_WIDGET_QT)
class Renderer : public gfxQtNativeRenderer {
public:
Renderer(NPWindow* aWindow, nsIPluginInstance* aInstance,
const nsIntSize& aPluginSize, const nsIntRect& aDirtyRect)
: mWindow(aWindow), mInstance(aInstance),
mPluginSize(aPluginSize), mDirtyRect(aDirtyRect)
{}
virtual nsresult NativeDraw(QWidget * drawable, short offsetX,
short offsetY, QRect * clipRects, PRUint32 numClipRects);
private:
NPWindow* mWindow;
nsIPluginInstance* mInstance;
const nsIntSize& mPluginSize;
const nsIntRect& mDirtyRect;
};
#endif
#ifdef MOZ_USE_IMAGE_EXPOSE
// On hildon, we attempt to use NPImageExpose which allows us faster
// painting.
// used to keep track of how big our buffer is.
nsIntSize mPluginSize;
// The absolute position on the screen to draw to.
gfxRect mAbsolutePosition;
// The clip region that we should draw into.
gfxRect mAbsolutePositionClip;
GC mXlibSurfGC;
Window mBlitWindow;
XImage *mSharedXImage;
XShmSegmentInfo mSharedSegmentInfo;
PRBool SetupXShm();
void ReleaseXShm();
void NativeImageDraw(NPRect* invalidRect = nsnull);
PRBool UpdateVisibility(PRBool aVisible);
#endif
};
// Mac specific code to fix up port position and clip
#ifdef XP_MACOSX
enum { ePluginPaintEnable, ePluginPaintDisable };
#endif // XP_MACOSX
nsObjectFrame::nsObjectFrame(nsStyleContext* aContext)
: nsObjectFrameSuper(aContext)
{
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG,
("Created new nsObjectFrame %p\n", this));
}
nsObjectFrame::~nsObjectFrame()
{
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG,
("nsObjectFrame %p deleted\n", this));
}
NS_QUERYFRAME_HEAD(nsObjectFrame)
NS_QUERYFRAME_ENTRY(nsIObjectFrame)
NS_QUERYFRAME_TAIL_INHERITING(nsObjectFrameSuper)
#ifdef ACCESSIBILITY
NS_IMETHODIMP nsObjectFrame::GetAccessible(nsIAccessible** aAccessible)
{
nsCOMPtr<nsIAccessibilityService> accService = do_GetService("@mozilla.org/accessibilityService;1");
if (accService) {
return accService->CreateHTMLObjectFrameAccessible(this, aAccessible);
}
return NS_ERROR_FAILURE;
}
#ifdef XP_WIN
NS_IMETHODIMP nsObjectFrame::GetPluginPort(HWND *aPort)
{
*aPort = (HWND) mInstanceOwner->GetPluginPortFromWidget();
return NS_OK;
}
#endif
#endif
static NS_DEFINE_CID(kWidgetCID, NS_CHILD_CID);
NS_IMETHODIMP
nsObjectFrame::Init(nsIContent* aContent,
nsIFrame* aParent,
nsIFrame* aPrevInFlow)
{
NS_PRECONDITION(aContent, "How did that happen?");
mPreventInstantiation =
(aContent->GetCurrentDoc()->GetDisplayDocument() != nsnull);
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG,
("Initializing nsObjectFrame %p for content %p\n", this, aContent));
nsresult rv = nsObjectFrameSuper::Init(aContent, aParent, aPrevInFlow);
#ifdef XP_WIN
mDoublePassEvent = 0;
#endif
return rv;
}
void
nsObjectFrame::DestroyFrom(nsIFrame* aDestructRoot)
{
NS_ASSERTION(!mPreventInstantiation ||
(mContent && mContent->GetCurrentDoc()->GetDisplayDocument()),
"about to crash due to bug 136927");
// we need to finish with the plugin before native window is destroyed
// doing this in the destructor is too late.
StopPluginInternal(PR_TRUE);
// StopPluginInternal might have disowned the widget; if it has,
// mWidget will be null.
if (mWidget) {
mInnerView->DetachWidgetEventHandler(mWidget);
mWidget->Destroy();
}
nsObjectFrameSuper::DestroyFrom(aDestructRoot);
}
/* virtual */ void
nsObjectFrame::DidSetStyleContext(nsStyleContext* aOldStyleContext)
{
if (HasView()) {
nsIView* view = GetView();
nsIViewManager* vm = view->GetViewManager();
if (vm) {
nsViewVisibility visibility =
IsHidden() ? nsViewVisibility_kHide : nsViewVisibility_kShow;
vm->SetViewVisibility(view, visibility);
}
}
nsObjectFrameSuper::DidSetStyleContext(aOldStyleContext);
}
nsIAtom*
nsObjectFrame::GetType() const
{
return nsGkAtoms::objectFrame;
}
#ifdef DEBUG
NS_IMETHODIMP
nsObjectFrame::GetFrameName(nsAString& aResult) const
{
return MakeFrameName(NS_LITERAL_STRING("ObjectFrame"), aResult);
}
#endif
nsresult
nsObjectFrame::CreateWidget(nscoord aWidth,
nscoord aHeight,
PRBool aViewOnly)
{
nsIView* view = GetView();
NS_ASSERTION(view, "Object frames must have views");
if (!view) {
return NS_OK; //XXX why OK? MMP
}
nsIViewManager* viewMan = view->GetViewManager();
// mark the view as hidden since we don't know the (x,y) until Paint
// XXX is the above comment correct?
viewMan->SetViewVisibility(view, nsViewVisibility_kHide);
PRBool usewidgets;
nsCOMPtr<nsIDeviceContext> dx;
viewMan->GetDeviceContext(*getter_AddRefs(dx));
dx->SupportsNativeWidgets(usewidgets);
//this is ugly. it was ripped off from didreflow(). MMP
// Position and size view relative to its parent, not relative to our
// parent frame (our parent frame may not have a view).
nsIView* parentWithView;
nsPoint origin;
nsRect r(0, 0, mRect.width, mRect.height);
GetOffsetFromView(origin, &parentWithView);
viewMan->ResizeView(view, r);
viewMan->MoveViewTo(view, origin.x, origin.y);
nsRootPresContext* rpc = PresContext()->GetRootPresContext();
if (!rpc) {
return NS_ERROR_FAILURE;
}
if (!aViewOnly && !mWidget && usewidgets) {
mInnerView = viewMan->CreateView(GetContentRect() - GetPosition(), view);
if (!mInnerView) {
NS_ERROR("Could not create inner view");
return NS_ERROR_OUT_OF_MEMORY;
}
viewMan->InsertChild(view, mInnerView, nsnull, PR_TRUE);
nsresult rv;
mWidget = do_CreateInstance(kWidgetCID, &rv);
if (NS_FAILED(rv))
return rv;
// XXX this breaks plugins in popups ... do we care?
nsIWidget* parentWidget =
rpc->PresShell()->FrameManager()->GetRootFrame()->GetWindow();
nsWidgetInitData initData;
initData.mWindowType = eWindowType_plugin;
initData.mUnicode = PR_FALSE;
initData.clipChildren = PR_TRUE;
initData.clipSiblings = PR_TRUE;
// We want mWidget to be able to deliver events to us, especially on
// Mac where events to the plugin are routed through Gecko. So we
// allow the view to attach its event handler to mWidget even though
// mWidget isn't the view's designated widget.
EVENT_CALLBACK eventHandler = mInnerView->AttachWidgetEventHandler(mWidget);
mWidget->Create(parentWidget, nsnull, nsIntRect(0,0,0,0),
eventHandler, dx, nsnull, nsnull, &initData);
mWidget->EnableDragDrop(PR_TRUE);
// If this frame has an ancestor with a widget which is not
// the root prescontext's widget, then this plugin should not be
// displayed, so don't show the widget. If we show the widget, the
// plugin may appear in the main window. In Web content this would
// only happen with a plugin in a XUL popup.
if (parentWidget == GetWindow()) {
mWidget->Show(PR_TRUE);
}
}
if (mWidget) {
rpc->RegisterPluginForGeometryUpdates(this);
rpc->UpdatePluginGeometry(this);
// Here we set the background color for this widget because some plugins will use
// the child window background color when painting. If it's not set, it may default to gray
// Sometimes, a frame doesn't have a background color or is transparent. In this
// case, walk up the frame tree until we do find a frame with a background color
for (nsIFrame* frame = this; frame; frame = frame->GetParent()) {
const nsStyleBackground* background = frame->GetStyleBackground();
if (!background->IsTransparent()) { // make sure we got an actual color
mWidget->SetBackgroundColor(background->mBackgroundColor);
break;
}
}
#ifdef XP_MACOSX
// Now that we have a widget we want to set the event model before
// any events are processed.
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (!pluginWidget)
return NS_ERROR_FAILURE;
pluginWidget->SetPluginEventModel(mInstanceOwner->GetEventModel());
#endif
}
if (!IsHidden()) {
viewMan->SetViewVisibility(view, nsViewVisibility_kShow);
}
return NS_OK;
}
#define EMBED_DEF_WIDTH 240
#define EMBED_DEF_HEIGHT 200
/* virtual */ nscoord
nsObjectFrame::GetMinWidth(nsIRenderingContext *aRenderingContext)
{
nscoord result = 0;
if (!IsHidden(PR_FALSE)) {
nsIAtom *atom = mContent->Tag();
if (atom == nsGkAtoms::applet || atom == nsGkAtoms::embed) {
result = nsPresContext::CSSPixelsToAppUnits(EMBED_DEF_WIDTH);
}
}
DISPLAY_MIN_WIDTH(this, result);
return result;
}
/* virtual */ nscoord
nsObjectFrame::GetPrefWidth(nsIRenderingContext *aRenderingContext)
{
return nsObjectFrame::GetMinWidth(aRenderingContext);
}
void
nsObjectFrame::GetDesiredSize(nsPresContext* aPresContext,
const nsHTMLReflowState& aReflowState,
nsHTMLReflowMetrics& aMetrics)
{
// By default, we have no area
aMetrics.width = 0;
aMetrics.height = 0;
if (IsHidden(PR_FALSE)) {
return;
}
aMetrics.width = aReflowState.ComputedWidth();
aMetrics.height = aReflowState.ComputedHeight();
// for EMBED and APPLET, default to 240x200 for compatibility
nsIAtom *atom = mContent->Tag();
if (atom == nsGkAtoms::applet || atom == nsGkAtoms::embed) {
if (aMetrics.width == NS_UNCONSTRAINEDSIZE) {
aMetrics.width = NS_MIN(NS_MAX(nsPresContext::CSSPixelsToAppUnits(EMBED_DEF_WIDTH),
aReflowState.mComputedMinWidth),
aReflowState.mComputedMaxWidth);
}
if (aMetrics.height == NS_UNCONSTRAINEDSIZE) {
aMetrics.height = NS_MIN(NS_MAX(nsPresContext::CSSPixelsToAppUnits(EMBED_DEF_HEIGHT),
aReflowState.mComputedMinHeight),
aReflowState.mComputedMaxHeight);
}
#if defined (MOZ_WIDGET_GTK2)
// We need to make sure that the size of the object frame does not
// exceed the maximum size of X coordinates. See bug #225357 for
// more information. In theory Gtk2 can handle large coordinates,
// but underlying plugins can't.
aMetrics.height = NS_MIN(aPresContext->DevPixelsToAppUnits(PR_INT16_MAX), aMetrics.height);
aMetrics.width = NS_MIN(aPresContext->DevPixelsToAppUnits(PR_INT16_MAX), aMetrics.width);
#endif
}
// At this point, the width has an unconstrained value only if we have
// nothing to go on (no width set, no information from the plugin, nothing).
// Make up a number.
if (aMetrics.width == NS_UNCONSTRAINEDSIZE) {
aMetrics.width =
(aReflowState.mComputedMinWidth != NS_UNCONSTRAINEDSIZE) ?
aReflowState.mComputedMinWidth : 0;
}
// At this point, the height has an unconstrained value only in two cases:
// a) We are in standards mode with percent heights and parent is auto-height
// b) We have no height information at all.
// In either case, we have to make up a number.
if (aMetrics.height == NS_UNCONSTRAINEDSIZE) {
aMetrics.height =
(aReflowState.mComputedMinHeight != NS_UNCONSTRAINEDSIZE) ?
aReflowState.mComputedMinHeight : 0;
}
// XXXbz don't add in the border and padding, because we screw up our
// plugin's size and positioning if we do... Eventually we _do_ want to
// paint borders, though! At that point, we will need to adjust the desired
// size either here or in Reflow.... Further, we will need to fix Paint() to
// call the superclass in all cases.
}
NS_IMETHODIMP
nsObjectFrame::Reflow(nsPresContext* aPresContext,
nsHTMLReflowMetrics& aMetrics,
const nsHTMLReflowState& aReflowState,
nsReflowStatus& aStatus)
{
DO_GLOBAL_REFLOW_COUNT("nsObjectFrame");
DISPLAY_REFLOW(aPresContext, this, aReflowState, aMetrics, aStatus);
// Get our desired size
GetDesiredSize(aPresContext, aReflowState, aMetrics);
aMetrics.mOverflowArea.SetRect(0, 0, aMetrics.width, aMetrics.height);
FinishAndStoreOverflow(&aMetrics);
// delay plugin instantiation until all children have
// arrived. Otherwise there may be PARAMs or other stuff that the
// plugin needs to see that haven't arrived yet.
if (!GetContent()->IsDoneAddingChildren()) {
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
// if we are printing or print previewing, bail for now
if (aPresContext->Medium() == nsGkAtoms::print) {
aStatus = NS_FRAME_COMPLETE;
return NS_OK;
}
nsRect r(0, 0, aMetrics.width, aMetrics.height);
r.Deflate(aReflowState.mComputedBorderPadding);
if (mInnerView) {
nsIViewManager* vm = mInnerView->GetViewManager();
vm->MoveViewTo(mInnerView, r.x, r.y);
vm->ResizeView(mInnerView, nsRect(nsPoint(0, 0), r.Size()), PR_TRUE);
}
FixupWindow(r.Size());
aStatus = NS_FRAME_COMPLETE;
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aMetrics);
return NS_OK;
}
nsresult
nsObjectFrame::InstantiatePlugin(nsIPluginHost* aPluginHost,
const char* aMimeType,
nsIURI* aURI)
{
NS_ASSERTION(mPreventInstantiation,
"Instantiation should be prevented here!");
// If you add early return(s), be sure to balance this call to
// appShell->SuspendNative() with additional call(s) to
// appShell->ReturnNative().
nsCOMPtr<nsIAppShell> appShell = do_GetService(kAppShellCID);
if (appShell) {
appShell->SuspendNative();
}
NS_ASSERTION(mContent, "We should have a content node.");
nsIDocument* doc = mContent->GetOwnerDoc();
nsCOMPtr<nsIPluginDocument> pDoc (do_QueryInterface(doc));
PRBool fullPageMode = PR_FALSE;
if (pDoc) {
pDoc->GetWillHandleInstantiation(&fullPageMode);
}
nsresult rv;
if (fullPageMode) { /* full-page mode */
nsCOMPtr<nsIStreamListener> stream;
rv = aPluginHost->InstantiateFullPagePlugin(aMimeType, aURI,
/* resulting stream listener */ *getter_AddRefs(stream),
mInstanceOwner);
if (NS_SUCCEEDED(rv))
pDoc->SetStreamListener(stream);
} else { /* embedded mode */
rv = aPluginHost->InstantiateEmbeddedPlugin(aMimeType, aURI,
mInstanceOwner);
}
// Note that |this| may very well be destroyed already!
if (appShell) {
appShell->ResumeNative();
}
return rv;
}
void
nsObjectFrame::FixupWindow(const nsSize& aSize)
{
nsPresContext* presContext = PresContext();
if (!mInstanceOwner)
return;
NPWindow *window;
mInstanceOwner->GetWindow(window);
NS_ENSURE_TRUE(window, /**/);
#ifdef XP_MACOSX
mInstanceOwner->FixUpPluginWindow(ePluginPaintDisable);
#endif
PRBool windowless = (window->type == NPWindowTypeDrawable);
nsIntPoint origin = GetWindowOriginInPixels(windowless);
window->x = origin.x;
window->y = origin.y;
window->width = presContext->AppUnitsToDevPixels(aSize.width);
window->height = presContext->AppUnitsToDevPixels(aSize.height);
// on the Mac we need to set the clipRect to { 0, 0, 0, 0 } for now. This will keep
// us from drawing on screen until the widget is properly positioned, which will not
// happen until we have finished the reflow process.
window->clipRect.top = 0;
window->clipRect.left = 0;
#ifdef XP_MACOSX
window->clipRect.bottom = 0;
window->clipRect.right = 0;
#else
window->clipRect.bottom = presContext->AppUnitsToDevPixels(aSize.height);
window->clipRect.right = presContext->AppUnitsToDevPixels(aSize.width);
#endif
NotifyPluginReflowObservers();
}
void
nsObjectFrame::CallSetWindow()
{
NPWindow *win = nsnull;
nsresult rv;
nsCOMPtr<nsIPluginInstance> pi;
if (!mInstanceOwner ||
NS_FAILED(rv = mInstanceOwner->GetInstance(*getter_AddRefs(pi))) ||
!pi ||
NS_FAILED(rv = mInstanceOwner->GetWindow(win)) ||
!win)
return;
nsPluginNativeWindow *window = (nsPluginNativeWindow *)win;
#ifdef XP_MACOSX
mInstanceOwner->FixUpPluginWindow(ePluginPaintDisable);
#endif
if (IsHidden())
return;
PRBool windowless = (window->type == NPWindowTypeDrawable);
nsIntPoint origin = GetWindowOriginInPixels(windowless);
window->x = origin.x;
window->y = origin.y;
// refresh the plugin port as well
window->window = mInstanceOwner->GetPluginPortFromWidget();
// this will call pi->SetWindow and take care of window subclassing
// if needed, see bug 132759.
window->CallSetWindow(pi);
mInstanceOwner->ReleasePluginPort(window->window);
}
PRBool
nsObjectFrame::IsFocusable(PRInt32 *aTabIndex, PRBool aWithMouse)
{
if (aTabIndex)
*aTabIndex = -1;
return nsObjectFrameSuper::IsFocusable(aTabIndex, aWithMouse);
}
PRBool
nsObjectFrame::IsHidden(PRBool aCheckVisibilityStyle) const
{
if (aCheckVisibilityStyle) {
if (!GetStyleVisibility()->IsVisibleOrCollapsed())
return PR_TRUE;
}
// only <embed> tags support the HIDDEN attribute
if (mContent->Tag() == nsGkAtoms::embed) {
// Yes, these are really the kooky ways that you could tell 4.x
// not to hide the <embed> once you'd put the 'hidden' attribute
// on the tag...
// HIDDEN w/ no attributes gets translated as we are hidden for
// compatibility w/ 4.x and IE so we don't create a non-painting
// widget in layout. See bug 188959.
nsAutoString hidden;
if (mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::hidden, hidden) &&
(hidden.IsEmpty() ||
(!hidden.LowerCaseEqualsLiteral("false") &&
!hidden.LowerCaseEqualsLiteral("no") &&
!hidden.LowerCaseEqualsLiteral("off")))) {
return PR_TRUE;
}
}
return PR_FALSE;
}
nsIntPoint nsObjectFrame::GetWindowOriginInPixels(PRBool aWindowless)
{
nsIView * parentWithView;
nsPoint origin(0,0);
GetOffsetFromView(origin, &parentWithView);
// if it's windowless, let's make sure we have our origin set right
// it may need to be corrected, like after scrolling
if (aWindowless && parentWithView) {
nsPoint offsetToWidget;
parentWithView->GetNearestWidget(&offsetToWidget);
origin += offsetToWidget;
}
// It's OK to use GetUsedBorderAndPadding here (and below) since
// GetSkipSides always returns 0; we don't split nsObjectFrames
origin += GetUsedBorderAndPadding().TopLeft();
return nsIntPoint(PresContext()->AppUnitsToDevPixels(origin.x),
PresContext()->AppUnitsToDevPixels(origin.y));
}
NS_IMETHODIMP
nsObjectFrame::DidReflow(nsPresContext* aPresContext,
const nsHTMLReflowState* aReflowState,
nsDidReflowStatus aStatus)
{
// Do this check before calling the superclass, as that clears
// NS_FRAME_FIRST_REFLOW
if (aStatus == NS_FRAME_REFLOW_FINISHED &&
(GetStateBits() & NS_FRAME_FIRST_REFLOW)) {
nsCOMPtr<nsIObjectLoadingContent> objContent(do_QueryInterface(mContent));
NS_ASSERTION(objContent, "Why not an object loading content?");
objContent->HasNewFrame(this);
}
nsresult rv = nsObjectFrameSuper::DidReflow(aPresContext, aReflowState, aStatus);
// The view is created hidden; once we have reflowed it and it has been
// positioned then we show it.
if (aStatus != NS_FRAME_REFLOW_FINISHED)
return rv;
if (HasView()) {
nsIView* view = GetView();
nsIViewManager* vm = view->GetViewManager();
if (vm)
vm->SetViewVisibility(view, IsHidden() ? nsViewVisibility_kHide : nsViewVisibility_kShow);
}
// WMP10 needs an additional SetWindow call here (bug 391261)
CallSetWindow();
return rv;
}
/* static */ void
nsObjectFrame::PaintPrintPlugin(nsIFrame* aFrame, nsIRenderingContext* aCtx,
const nsRect& aDirtyRect, nsPoint aPt)
{
nsPoint pt = aPt + aFrame->GetUsedBorderAndPadding().TopLeft();
nsIRenderingContext::AutoPushTranslation translate(aCtx, pt.x, pt.y);
// FIXME - Bug 385435: Doesn't aDirtyRect need translating too?
static_cast<nsObjectFrame*>(aFrame)->PrintPlugin(*aCtx, aDirtyRect);
}
nsRect
nsDisplayPlugin::GetBounds(nsDisplayListBuilder* aBuilder)
{
return mFrame->GetContentRect() +
aBuilder->ToReferenceFrame(mFrame->GetParent());
}
void
nsDisplayPlugin::Paint(nsDisplayListBuilder* aBuilder,
nsIRenderingContext* aCtx)
{
nsObjectFrame* f = static_cast<nsObjectFrame*>(mFrame);
f->PaintPlugin(*aCtx, mVisibleRect, GetBounds(aBuilder));
}
PRBool
nsDisplayPlugin::ComputeVisibility(nsDisplayListBuilder* aBuilder,
nsRegion* aVisibleRegion,
nsRegion* aVisibleRegionBeforeMove)
{
NS_ASSERTION((aVisibleRegionBeforeMove != nsnull) == aBuilder->HasMovingFrames(),
"Should have aVisibleRegionBeforeMove when there are moving frames");
mVisibleRegion.And(*aVisibleRegion, GetBounds(aBuilder));
return nsDisplayItem::ComputeVisibility(aBuilder, aVisibleRegion,
aVisibleRegionBeforeMove);
}
PRBool
nsDisplayPlugin::IsOpaque(nsDisplayListBuilder* aBuilder)
{
nsObjectFrame* f = static_cast<nsObjectFrame*>(mFrame);
return f->IsOpaque();
}
void
nsDisplayPlugin::GetWidgetConfiguration(nsDisplayListBuilder* aBuilder,
nsTArray<nsIWidget::Configuration>* aConfigurations)
{
nsObjectFrame* f = static_cast<nsObjectFrame*>(mFrame);
nsPoint pluginOrigin = mFrame->GetUsedBorderAndPadding().TopLeft() +
aBuilder->ToReferenceFrame(mFrame);
f->ComputeWidgetGeometry(mVisibleRegion, pluginOrigin, aConfigurations);
}
void
nsObjectFrame::ComputeWidgetGeometry(const nsRegion& aRegion,
const nsPoint& aPluginOrigin,
nsTArray<nsIWidget::Configuration>* aConfigurations)
{
if (!mWidget)
return;
nsPresContext* presContext = PresContext();
nsRootPresContext* rootPC = presContext->GetRootPresContext();
if (!rootPC)
return;
nsIWidget::Configuration* configuration = aConfigurations->AppendElement();
if (!configuration)
return;
configuration->mChild = mWidget;
PRInt32 appUnitsPerDevPixel = presContext->AppUnitsPerDevPixel();
nsIFrame* rootFrame = rootPC->PresShell()->FrameManager()->GetRootFrame();
nsRect bounds = GetContentRect() + GetParent()->GetOffsetTo(rootFrame);
configuration->mBounds = bounds.ToNearestPixels(appUnitsPerDevPixel);
nsRegionRectIterator iter(aRegion);
nsIntPoint pluginOrigin = aPluginOrigin.ToNearestPixels(appUnitsPerDevPixel);
for (const nsRect* r = iter.Next(); r; r = iter.Next()) {
// Snap *r to pixels while it's relative to the painted widget, to
// improve consistency with rectangle and image drawing
nsIntRect pixRect =
r->ToNearestPixels(appUnitsPerDevPixel) - pluginOrigin;
if (!pixRect.IsEmpty()) {
configuration->mClipRegion.AppendElement(pixRect);
}
}
}
nsresult
nsObjectFrame::SetAbsoluteScreenPosition(nsIDOMElement* element,
nsIDOMClientRect* position,
nsIDOMClientRect* clip)
{
#ifdef MOZ_USE_IMAGE_EXPOSE
if (!mInstanceOwner)
return NS_ERROR_NOT_AVAILABLE;
return mInstanceOwner->SetAbsoluteScreenPosition(element, position, clip);
#else
return NS_ERROR_NOT_IMPLEMENTED;
#endif
}
nsresult
nsObjectFrame::PluginEventNotifier::Run() {
nsCOMPtr<nsIObserverService> obsSvc = do_GetService("@mozilla.org/observer-service;1");
obsSvc->NotifyObservers(nsnull, "plugin-changed-event", mEventType.get());
return NS_OK;
}
void
nsObjectFrame::NotifyPluginReflowObservers()
{
nsContentUtils::AddScriptRunner(new PluginEventNotifier(NS_LITERAL_STRING("reflow")));
}
void
nsObjectFrame::DidSetWidgetGeometry()
{
#if defined(XP_MACOSX)
if (mInstanceOwner) {
mInstanceOwner->FixUpPluginWindow(ePluginPaintEnable);
}
#endif
}
PRBool
nsObjectFrame::IsOpaque() const
{
#if defined(XP_MACOSX)
return PR_FALSE;
#else
if (!mInstanceOwner)
return PR_FALSE;
NPWindow *window;
mInstanceOwner->GetWindow(window);
if (window->type != NPWindowTypeDrawable)
return PR_TRUE;
nsresult rv;
nsCOMPtr<nsIPluginInstance> pi;
rv = mInstanceOwner->GetInstance(*getter_AddRefs(pi));
if (NS_FAILED(rv) || !pi)
return PR_FALSE;
PRBool transparent = PR_FALSE;
pi->IsTransparent(&transparent);
return !transparent;
#endif
}
NS_IMETHODIMP
nsObjectFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
const nsRect& aDirtyRect,
const nsDisplayListSet& aLists)
{
// XXX why are we painting collapsed object frames?
if (!IsVisibleOrCollapsedForPainting(aBuilder))
return NS_OK;
nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
NS_ENSURE_SUCCESS(rv, rv);
nsPresContext::nsPresContextType type = PresContext()->Type();
// If we are painting in Print Preview do nothing....
if (type == nsPresContext::eContext_PrintPreview)
return NS_OK;
DO_GLOBAL_REFLOW_COUNT_DSP("nsObjectFrame");
#ifndef XP_MACOSX
if (mWidget && aBuilder->IsInTransform()) {
// Windowed plugins should not be rendered inside a transform.
return NS_OK;
}
#endif
// determine if we are printing
if (type == nsPresContext::eContext_Print)
return aLists.Content()->AppendNewToTop(new (aBuilder)
nsDisplayGeneric(this, PaintPrintPlugin, "PrintPlugin"));
return aLists.Content()->AppendNewToTop(new (aBuilder)
nsDisplayPlugin(this));
}
void
nsObjectFrame::PrintPlugin(nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect)
{
nsCOMPtr<nsIObjectLoadingContent> obj(do_QueryInterface(mContent));
if (!obj)
return;
nsIFrame* frame = nsnull;
obj->GetPrintFrame(&frame);
if (!frame)
return;
nsPresContext* presContext = PresContext();
// make sure this is REALLY an nsIObjectFrame
// we may need to go through the children to get it
nsIObjectFrame* objectFrame = do_QueryFrame(frame);
if (!objectFrame)
objectFrame = GetNextObjectFrame(presContext,frame);
if (!objectFrame)
return;
// finally we can get our plugin instance
nsCOMPtr<nsIPluginInstance> pi;
if (NS_FAILED(objectFrame->GetPluginInstance(*getter_AddRefs(pi))) || !pi)
return;
// now we need to setup the correct location for printing
NPWindow window;
window.window = nsnull;
// prepare embedded mode printing struct
NPPrint npprint;
npprint.mode = NP_EMBED;
// we need to find out if we are windowless or not
PRBool windowless = PR_FALSE;
pi->IsWindowless(&windowless);
window.type = windowless ? NPWindowTypeDrawable : NPWindowTypeWindow;
window.clipRect.bottom = 0; window.clipRect.top = 0;
window.clipRect.left = 0; window.clipRect.right = 0;
// platform specific printing code
#ifdef MAC_CARBON_PLUGINS
nsSize contentSize = GetContentRect().Size();
window.x = 0;
window.y = 0;
window.width = presContext->AppUnitsToDevPixels(contentSize.width);
window.height = presContext->AppUnitsToDevPixels(contentSize.height);
gfxContext *ctx = aRenderingContext.ThebesContext();
if (!ctx)
return;
gfxContextAutoSaveRestore save(ctx);
ctx->NewPath();
gfxRect rect(window.x, window.y, window.width, window.height);
ctx->Rectangle(rect);
ctx->Clip();
gfxQuartzNativeDrawing nativeDraw(ctx, rect);
CGContextRef cgContext = nativeDraw.BeginNativeDrawing();
if (!cgContext) {
nativeDraw.EndNativeDrawing();
return;
}
window.clipRect.right = window.width;
window.clipRect.bottom = window.height;
window.type = NPWindowTypeDrawable;
Rect gwBounds;
::SetRect(&gwBounds, 0, 0, window.width, window.height);
nsTArray<char> buffer(window.width * window.height * 4);
CGColorSpaceRef cspace = ::CGColorSpaceCreateWithName(kCGColorSpaceGenericRGB);
if (!cspace) {
nativeDraw.EndNativeDrawing();
return;
}
CGContextRef cgBuffer =
::CGBitmapContextCreate(buffer.Elements(),
window.width, window.height, 8, window.width * 4,
cspace, kCGBitmapByteOrder32Big | kCGImageAlphaPremultipliedFirst);
::CGColorSpaceRelease(cspace);
if (!cgBuffer) {
nativeDraw.EndNativeDrawing();
return;
}
GWorldPtr gWorld;
if (::NewGWorldFromPtr(&gWorld, k32ARGBPixelFormat, &gwBounds, NULL, NULL, 0,
buffer.Elements(), window.width * 4) != noErr) {
::CGContextRelease(cgBuffer);
nativeDraw.EndNativeDrawing();
return;
}
window.clipRect.right = window.width;
window.clipRect.bottom = window.height;
window.type = NPWindowTypeDrawable;
// Setting nsPluginPrint/NPPrint.print.embedPrint.window.window to
// &GWorldPtr and nsPluginPrint/NPPrint.print.embedPrint.platformPrint to
// GWorldPtr isn't any kind of standard (it's not documented anywhere).
// But that's what WebKit does. And it's what the Flash plugin (apparently
// the only NPAPI plugin on OS X to support printing) seems to expect. So
// we do the same. The Flash plugin uses the CoreGraphics drawing mode.
// But a GWorldPtr should be usable in either CoreGraphics or QuickDraw
// drawing mode. See bug 191046.
window.window = &gWorld;
npprint.print.embedPrint.platformPrint = gWorld;
npprint.print.embedPrint.window = window;
nsresult rv = pi->Print(&npprint);
::CGContextSaveGState(cgContext);
::CGContextTranslateCTM(cgContext, 0.0f, float(window.height));
::CGContextScaleCTM(cgContext, 1.0f, -1.0f);
CGImageRef image = ::CGBitmapContextCreateImage(cgBuffer);
if (!image) {
::CGContextRestoreGState(cgContext);
::CGContextRelease(cgBuffer);
::DisposeGWorld(gWorld);
nativeDraw.EndNativeDrawing();
return;
}
::CGContextDrawImage(cgContext,
::CGRectMake(0, 0, window.width, window.height),
image);
::CGImageRelease(image);
::CGContextRestoreGState(cgContext);
::CGContextRelease(cgBuffer);
::DisposeGWorld(gWorld);
nativeDraw.EndNativeDrawing();
#elif defined(XP_UNIX)
/* XXX this just flat-out doesn't work in a thebes world --
* RenderEPS is a no-op. So don't bother to do any work here.
*/
#elif defined(XP_OS2)
void *hps = aRenderingContext.GetNativeGraphicData(nsIRenderingContext::NATIVE_OS2_PS);
if (!hps)
return;
npprint.print.embedPrint.platformPrint = hps;
npprint.print.embedPrint.window = window;
// send off print info to plugin
pi->Print(&npprint);
#elif defined(XP_WIN)
/* On Windows, we use the win32 printing surface to print. This, in
* turn, uses the Cairo paginated surface, which in turn uses the
* meta surface to record all operations and then play them back.
* This doesn't work too well for plugins, because if plugins render
* directly into the DC, the meta surface won't have any knowledge
* of them, and so at the end when it actually does the replay step,
* it'll fill the background with white and draw over whatever was
* rendered before.
*
* So, to avoid this, we use PushGroup, which creates a new windows
* surface, the plugin renders to that, and then we use normal
* cairo methods to composite that in such that it's recorded using the
* meta surface.
*/
/* we'll already be translated into the right spot by gfxWindowsNativeDrawing */
nsSize contentSize = GetContentRect().Size();
window.x = 0;
window.y = 0;
window.width = presContext->AppUnitsToDevPixels(contentSize.width);
window.height = presContext->AppUnitsToDevPixels(contentSize.height);
gfxContext *ctx = aRenderingContext.ThebesContext();
ctx->Save();
/* Make sure plugins don't do any damage outside of where they're supposed to */
ctx->NewPath();
gfxRect r(window.x, window.y, window.width, window.height);
ctx->Rectangle(r);
ctx->Clip();
gfxWindowsNativeDrawing nativeDraw(ctx, r);
do {
HDC dc = nativeDraw.BeginNativeDrawing();
if (!dc)
return;
// XXX don't we need to call nativeDraw.TransformToNativeRect here?
npprint.print.embedPrint.platformPrint = dc;
npprint.print.embedPrint.window = window;
// send off print info to plugin
pi->Print(&npprint);
nativeDraw.EndNativeDrawing();
} while (nativeDraw.ShouldRenderAgain());
nativeDraw.PaintToContext();
ctx->Restore();
#endif
// XXX Nav 4.x always sent a SetWindow call after print. Should we do the same?
// XXX Calling DidReflow here makes no sense!!!
nsDidReflowStatus status = NS_FRAME_REFLOW_FINISHED; // should we use a special status?
frame->DidReflow(presContext,
nsnull, status); // DidReflow will take care of it
}
void
nsObjectFrame::PaintPlugin(nsIRenderingContext& aRenderingContext,
const nsRect& aDirtyRect, const nsRect& aPluginRect)
{
// Screen painting code
#if defined(XP_MACOSX)
// delegate all painting to the plugin instance.
if (mInstanceOwner) {
if (mInstanceOwner->GetDrawingModel() == NPDrawingModelCoreGraphics) {
PRInt32 appUnitsPerDevPixel = PresContext()->AppUnitsPerDevPixel();
// Clip to the content area where the plugin should be drawn. If
// we don't do this, the plugin can draw outside its bounds.
nsIntRect contentPixels = aPluginRect.ToNearestPixels(appUnitsPerDevPixel);
nsIntRect dirtyPixels = aDirtyRect.ToOutsidePixels(appUnitsPerDevPixel);
nsIntRect clipPixels;
clipPixels.IntersectRect(contentPixels, dirtyPixels);
gfxRect nativeClipRect(clipPixels.x, clipPixels.y,
clipPixels.width, clipPixels.height);
gfxContext* ctx = aRenderingContext.ThebesContext();
gfxContextAutoSaveRestore save(ctx);
ctx->NewPath();
ctx->Rectangle(nativeClipRect);
ctx->Clip();
gfxPoint offset(contentPixels.x, contentPixels.y);
ctx->Translate(offset);
gfxQuartzNativeDrawing nativeDrawing(ctx, nativeClipRect - offset);
CGContextRef cgContext = nativeDrawing.BeginNativeDrawing();
if (!cgContext) {
NS_WARNING("null CGContextRef during PaintPlugin");
return;
}
nsCOMPtr<nsIPluginInstance> inst;
GetPluginInstance(*getter_AddRefs(inst));
if (!inst) {
NS_WARNING("null plugin instance during PaintPlugin");
nativeDrawing.EndNativeDrawing();
return;
}
NPWindow* window;
mInstanceOwner->GetWindow(window);
if (!window) {
NS_WARNING("null plugin window during PaintPlugin");
nativeDrawing.EndNativeDrawing();
return;
}
NP_CGContext* cgPluginPortCopy =
static_cast<NP_CGContext*>(mInstanceOwner->GetPluginPortCopy());
if (!cgPluginPortCopy) {
NS_WARNING("null plugin port copy during PaintPlugin");
nativeDrawing.EndNativeDrawing();
return;
}
#ifndef NP_NO_CARBON
if (mInstanceOwner->GetEventModel() == NPEventModelCarbon &&
!mInstanceOwner->SetPluginPortAndDetectChange()) {
NS_WARNING("null plugin port during PaintPlugin");
nativeDrawing.EndNativeDrawing();
return;
}
// In the Carbon event model...
// If gfxQuartzNativeDrawing hands out a CGContext different from the
// one set by SetPluginPortAndDetectChange(), we need to pass it to the
// plugin via SetWindow(). This will happen in nsPluginInstanceOwner::
// FixUpPluginWindow(), called from nsPluginInstanceOwner::Paint().
// (If SetPluginPortAndDetectChange() made any changes itself, this has
// already been detected in that method, and will likewise result in a
// call to SetWindow() from FixUpPluginWindow().)
NP_CGContext* windowContext = static_cast<NP_CGContext*>(window->window);
if (mInstanceOwner->GetEventModel() == NPEventModelCarbon &&
windowContext->context != cgContext) {
windowContext->context = cgContext;
cgPluginPortCopy->context = cgContext;
mInstanceOwner->SetPluginPortChanged(PR_TRUE);
}
#endif
mInstanceOwner->BeginCGPaint();
mInstanceOwner->Paint(nativeClipRect - offset, cgContext);
mInstanceOwner->EndCGPaint();
nativeDrawing.EndNativeDrawing();
} else {
// FIXME - Bug 385435: Doesn't aDirtyRect need translating too?
nsIRenderingContext::AutoPushTranslation
translate(&aRenderingContext, aPluginRect.x, aPluginRect.y);
// this rect is used only in the CoreGraphics drawing model
gfxRect tmpRect(0, 0, 0, 0);
mInstanceOwner->Paint(tmpRect, NULL);
}
}
#elif defined(MOZ_X11) || defined(MOZ_DFB)
if (mInstanceOwner) {
NPWindow *window;
mInstanceOwner->GetWindow(window);
#ifdef MOZ_COMPOSITED_PLUGINS
{
#else
if (window->type == NPWindowTypeDrawable) {
#endif
gfxRect frameGfxRect =
PresContext()->AppUnitsToGfxUnits(aPluginRect);
gfxRect dirtyGfxRect =
PresContext()->AppUnitsToGfxUnits(aDirtyRect);
gfxContext* ctx = aRenderingContext.ThebesContext();
mInstanceOwner->Paint(ctx, frameGfxRect, dirtyGfxRect);
}
}
#elif defined(XP_WIN)
nsCOMPtr<nsIPluginInstance> inst;
GetPluginInstance(*getter_AddRefs(inst));
if (inst) {
gfxRect frameGfxRect =
PresContext()->AppUnitsToGfxUnits(aPluginRect);
gfxRect dirtyGfxRect =
PresContext()->AppUnitsToGfxUnits(aDirtyRect);
gfxContext *ctx = aRenderingContext.ThebesContext();
gfxMatrix currentMatrix = ctx->CurrentMatrix();
if (ctx->UserToDevicePixelSnapped(frameGfxRect, PR_FALSE)) {
dirtyGfxRect = ctx->UserToDevice(dirtyGfxRect);
ctx->IdentityMatrix();
}
dirtyGfxRect.RoundOut();
// Look if it's windowless
NPWindow *window;
mInstanceOwner->GetWindow(window);
if (window->type == NPWindowTypeDrawable) {
// check if we need to call SetWindow with updated parameters
PRBool doupdatewindow = PR_FALSE;
// the offset of the DC
nsPoint origin;
gfxWindowsNativeDrawing nativeDraw(ctx, frameGfxRect);
#ifdef MOZ_IPC
if (nativeDraw.IsDoublePass()) {
// OOP plugin specific: let the shim know before we paint if we are doing a
// double pass render. If this plugin isn't oop, the register window message
// will be ignored.
if (!mDoublePassEvent)
mDoublePassEvent = ::RegisterWindowMessage(NS_OOPP_DOUBLEPASS_MSGID);
if (mDoublePassEvent) {
NPEvent pluginEvent;
pluginEvent.event = mDoublePassEvent;
pluginEvent.wParam = 0;
pluginEvent.lParam = 0;
PRBool eventHandled = PR_FALSE;
inst->HandleEvent(&pluginEvent, &eventHandled);
}
}
#endif
do {
HDC hdc = nativeDraw.BeginNativeDrawing();
if (!hdc)
return;
RECT dest;
nativeDraw.TransformToNativeRect(frameGfxRect, dest);
RECT dirty;
nativeDraw.TransformToNativeRect(dirtyGfxRect, dirty);
// XXX how can we be sure that window->window doesn't point to
// a dead DC and hdc has been reallocated at the same address?
if (reinterpret_cast<HDC>(window->window) != hdc ||
window->x != dest.left || window->y != dest.top) {
window->window = hdc;
window->x = dest.left;
window->y = dest.top;
// Windowless plugins on windows need a special event to update their location,
// see bug 135737.
//
// bug 271442: note, the rectangle we send is now purely the bounds of the plugin
// relative to the window it is contained in, which is useful for the plugin to
// correctly translate mouse coordinates.
//
// this does not mesh with the comments for bug 135737 which imply that the rectangle
// must be clipped in some way to prevent the plugin attempting to paint over areas
// it shouldn't.
//
// since the two uses of the rectangle are mutually exclusive in some cases, and
// since I don't see any incorrect painting (at least with Flash and ViewPoint -
// the originator of bug 135737), it seems that windowless plugins are not relying
// on information here for clipping their drawing, and we can safely use this message
// to tell the plugin exactly where it is in all cases.
nsIntPoint origin = GetWindowOriginInPixels(PR_TRUE);
nsIntRect winlessRect = nsIntRect(origin, nsIntSize(window->width, window->height));
// XXX I don't think we can be certain that the location wrt to
// the window only changes when the location wrt to the drawable
// changes, but the hdc probably changes on every paint so
// doupdatewindow is rarely false, and there is not likely to be
// a problem.
if (mWindowlessRect != winlessRect) {
mWindowlessRect = winlessRect;
WINDOWPOS winpos;
memset(&winpos, 0, sizeof(winpos));
winpos.x = mWindowlessRect.x;
winpos.y = mWindowlessRect.y;
winpos.cx = mWindowlessRect.width;
winpos.cy = mWindowlessRect.height;
// finally, update the plugin by sending it a WM_WINDOWPOSCHANGED event
NPEvent pluginEvent;
pluginEvent.event = WM_WINDOWPOSCHANGED;
pluginEvent.wParam = 0;
pluginEvent.lParam = (uint32)&winpos;
PRBool eventHandled = PR_FALSE;
inst->HandleEvent(&pluginEvent, &eventHandled);
}
inst->SetWindow(window);
}
mInstanceOwner->Paint(dirty, hdc);
nativeDraw.EndNativeDrawing();
} while (nativeDraw.ShouldRenderAgain());
nativeDraw.PaintToContext();
} else if (!(ctx->GetFlags() & gfxContext::FLAG_DESTINED_FOR_SCREEN)) {
// Get PrintWindow dynamically since it's not present on Win2K,
// which we still support
typedef BOOL (WINAPI * PrintWindowPtr)
(HWND hwnd, HDC hdcBlt, UINT nFlags);
PrintWindowPtr printProc = nsnull;
HMODULE module = ::GetModuleHandleW(L"user32.dll");
if (module) {
printProc = reinterpret_cast<PrintWindowPtr>
(::GetProcAddress(module, "PrintWindow"));
}
// Disable this for Sun Java, it makes it go into a 100% cpu burn loop.
if (printProc && !mInstanceOwner->MatchPluginName("Java(TM) Platform")) {
HWND hwnd = reinterpret_cast<HWND>(window->window);
RECT rc;
GetWindowRect(hwnd, &rc);
nsRefPtr<gfxWindowsSurface> surface =
new gfxWindowsSurface(gfxIntSize(rc.right - rc.left, rc.bottom - rc.top));
if (surface && printProc) {
printProc(hwnd, surface->GetDC(), 0);
ctx->Translate(frameGfxRect.pos);
ctx->SetSource(surface);
gfxRect r = frameGfxRect.Intersect(dirtyGfxRect) - frameGfxRect.pos;
ctx->NewPath();
ctx->Rectangle(r);
ctx->Fill();
}
}
}
ctx->SetMatrix(currentMatrix);
}
#elif defined(XP_OS2)
nsCOMPtr<nsIPluginInstance> inst;
GetPluginInstance(*getter_AddRefs(inst));
if (inst) {
// Look if it's windowless
NPWindow *window;
mInstanceOwner->GetWindow(window);
if (window->type == NPWindowTypeDrawable) {
// FIXME - Bug 385435: Doesn't aDirtyRect need translating too?
nsIRenderingContext::AutoPushTranslation
translate(&aRenderingContext, aPluginRect.x, aPluginRect.y);
// check if we need to call SetWindow with updated parameters
PRBool doupdatewindow = PR_FALSE;
// the offset of the DC
nsIntPoint origin;
/*
* Layout now has an optimized way of painting. Now we always get
* a new drawing surface, sized to be just what's needed. Windowless
* plugins need a transform applied to their origin so they paint
* in the right place. Since |SetWindow| is no longer being used
* to tell the plugin where it is, we dispatch a NPWindow through
* |HandleEvent| to tell the plugin when its window moved
*/
gfxContext *ctx = aRenderingContext.ThebesContext();
gfxMatrix ctxMatrix = ctx->CurrentMatrix();
if (ctxMatrix.HasNonTranslation()) {
// soo; in the future, we should be able to render
// the object content to an offscreen DC, and then
// composite it in with the right transforms.
// But, we don't bother doing that, because we don't
// have the event handling story figured out yet.
// Instead, let's just bail.
return;
}
origin.x = NSToIntRound(float(ctxMatrix.GetTranslation().x));
origin.y = NSToIntRound(float(ctxMatrix.GetTranslation().y));
/* Need to force the clip to be set */
ctx->UpdateSurfaceClip();
/* Set the device offsets as appropriate, for whatever our current group offsets might be */
gfxFloat xoff, yoff;
nsRefPtr<gfxASurface> surf = ctx->CurrentSurface(&xoff, &yoff);
if (surf->CairoStatus() != 0) {
NS_WARNING("Plugin is being asked to render to a surface that's in error!");
return;
}
// check if we need to update the PS
HPS hps = (HPS)aRenderingContext.GetNativeGraphicData(nsIRenderingContext::NATIVE_OS2_PS);
if (reinterpret_cast<HPS>(window->window) != hps) {
window->window = reinterpret_cast<void*>(hps);
doupdatewindow = PR_TRUE;
}
LONG lPSid = GpiSavePS(hps);
RECTL rclViewport;
if (GpiQueryDevice(hps) != NULLHANDLE) { // ensure that we have an associated HDC
if (GpiQueryPageViewport(hps, &rclViewport)) {
rclViewport.xLeft += (LONG)xoff;
rclViewport.xRight += (LONG)xoff;
rclViewport.yBottom += (LONG)yoff;
rclViewport.yTop += (LONG)yoff;
GpiSetPageViewport(hps, &rclViewport);
}
}
if ((window->x != origin.x) || (window->y != origin.y)) {
window->x = origin.x;
window->y = origin.y;
doupdatewindow = PR_TRUE;
}
// if our location or visible area has changed, we need to tell the plugin
if (doupdatewindow) {
inst->SetWindow(window);
}
mInstanceOwner->Paint(aDirtyRect, hps);
if (lPSid >= 1) {
GpiRestorePS(hps, lPSid);
}
surf->MarkDirty();
}
}
#endif
}
NS_IMETHODIMP
nsObjectFrame::HandleEvent(nsPresContext* aPresContext,
nsGUIEvent* anEvent,
nsEventStatus* anEventStatus)
{
NS_ENSURE_ARG_POINTER(anEvent);
NS_ENSURE_ARG_POINTER(anEventStatus);
nsresult rv = NS_OK;
if (!mInstanceOwner)
return NS_ERROR_NULL_POINTER;
mInstanceOwner->ConsiderNewEventloopNestingLevel();
if (anEvent->message == NS_PLUGIN_ACTIVATE) {
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(GetContent());
if (fm && elem)
return fm->SetFocus(elem, 0);
}
if (mInstanceOwner->SendNativeEvents() && NS_IS_PLUGIN_EVENT(anEvent)) {
*anEventStatus = mInstanceOwner->ProcessEvent(*anEvent);
return rv;
}
#ifdef XP_WIN
rv = nsObjectFrameSuper::HandleEvent(aPresContext, anEvent, anEventStatus);
return rv;
#endif
#ifdef XP_MACOSX
// we want to process some native mouse events in the cocoa event model
if ((anEvent->message == NS_MOUSE_ENTER || anEvent->message == NS_MOUSE_SCROLL) &&
mInstanceOwner->GetEventModel() == NPEventModelCocoa) {
*anEventStatus = mInstanceOwner->ProcessEvent(*anEvent);
return rv;
}
#endif
if (anEvent->message == NS_DESTROY) {
#ifdef MAC_CARBON_PLUGINS
mInstanceOwner->CancelTimer();
#endif
return rv;
}
return nsObjectFrameSuper::HandleEvent(aPresContext, anEvent, anEventStatus);
}
#ifdef XP_MACOSX
// Needed to make the routing of mouse events while dragging conform to
// standard OS X practice, and to the Cocoa NPAPI spec. See bug 525078.
NS_IMETHODIMP
nsObjectFrame::HandlePress(nsPresContext* aPresContext,
nsGUIEvent* anEvent,
nsEventStatus* anEventStatus)
{
nsIPresShell::SetCapturingContent(GetContent(), CAPTURE_IGNOREALLOWED);
return nsObjectFrameSuper::HandlePress(aPresContext, anEvent, anEventStatus);
}
#endif
nsresult
nsObjectFrame::GetPluginInstance(nsIPluginInstance*& aPluginInstance)
{
aPluginInstance = nsnull;
if (!mInstanceOwner)
return NS_OK;
return mInstanceOwner->GetInstance(aPluginInstance);
}
nsresult
nsObjectFrame::PrepareInstanceOwner()
{
nsWeakFrame weakFrame(this);
// First, have to stop any possibly running plugins.
StopPluginInternal(PR_FALSE);
if (!weakFrame.IsAlive()) {
return NS_ERROR_NOT_AVAILABLE;
}
NS_ASSERTION(!mInstanceOwner, "Must not have an instance owner here");
mInstanceOwner = new nsPluginInstanceOwner();
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG,
("Created new instance owner %p for frame %p\n", mInstanceOwner.get(),
this));
if (!mInstanceOwner)
return NS_ERROR_OUT_OF_MEMORY;
// Note, |this| may very well be gone after this call.
return mInstanceOwner->Init(PresContext(), this, GetContent());
}
nsresult
nsObjectFrame::Instantiate(nsIChannel* aChannel, nsIStreamListener** aStreamListener)
{
if (mPreventInstantiation) {
return NS_OK;
}
// Note: If PrepareInstanceOwner() returns an error, |this| may very
// well be deleted already.
nsresult rv = PrepareInstanceOwner();
NS_ENSURE_SUCCESS(rv, rv);
nsCOMPtr<nsIPluginHost> pluginHost(do_GetService(MOZ_PLUGIN_HOST_CONTRACTID, &rv));
if (NS_FAILED(rv))
return rv;
mInstanceOwner->SetPluginHost(pluginHost);
// This must be done before instantiating the plugin
FixupWindow(GetContentRect().Size());
nsWeakFrame weakFrame(this);
NS_ASSERTION(!mPreventInstantiation, "Say what?");
mPreventInstantiation = PR_TRUE;
rv = pluginHost->InstantiatePluginForChannel(aChannel, mInstanceOwner, aStreamListener);
if (!weakFrame.IsAlive()) {
return NS_ERROR_NOT_AVAILABLE;
}
NS_ASSERTION(mPreventInstantiation,
"Instantiation should still be prevented!");
mPreventInstantiation = PR_FALSE;
return rv;
}
nsresult
nsObjectFrame::Instantiate(const char* aMimeType, nsIURI* aURI)
{
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG,
("nsObjectFrame::Instantiate(%s) called on frame %p\n", aMimeType,
this));
if (mPreventInstantiation) {
return NS_OK;
}
NS_ASSERTION(aMimeType || aURI, "Need a type or a URI!");
// Note: If PrepareInstanceOwner() returns an error, |this| may very
// well be deleted already.
nsresult rv = PrepareInstanceOwner();
NS_ENSURE_SUCCESS(rv, rv);
nsWeakFrame weakFrame(this);
// This must be done before instantiating the plugin
FixupWindow(GetContentRect().Size());
// get the nsIPluginHost service
nsCOMPtr<nsIPluginHost> pluginHost(do_GetService(MOZ_PLUGIN_HOST_CONTRACTID, &rv));
if (NS_FAILED(rv))
return rv;
mInstanceOwner->SetPluginHost(pluginHost);
NS_ASSERTION(!mPreventInstantiation, "Say what?");
mPreventInstantiation = PR_TRUE;
rv = InstantiatePlugin(pluginHost, aMimeType, aURI);
if (!weakFrame.IsAlive()) {
return NS_ERROR_NOT_AVAILABLE;
}
// finish up
if (NS_SUCCEEDED(rv)) {
TryNotifyContentObjectWrapper();
if (!weakFrame.IsAlive()) {
return NS_ERROR_NOT_AVAILABLE;
}
CallSetWindow();
}
NS_ASSERTION(mPreventInstantiation,
"Instantiation should still be prevented!");
mPreventInstantiation = PR_FALSE;
return rv;
}
void
nsObjectFrame::TryNotifyContentObjectWrapper()
{
nsCOMPtr<nsIPluginInstance> inst;
mInstanceOwner->GetInstance(*getter_AddRefs(inst));
if (inst) {
// The plugin may have set up new interfaces; we need to mess with our JS
// wrapper. Note that we DO NOT want to call this if there is no plugin
// instance! That would just reenter Instantiate(), trying to create
// said plugin instance.
NotifyContentObjectWrapper();
}
}
class nsStopPluginRunnable : public nsRunnable, public nsITimerCallback
{
public:
NS_DECL_ISUPPORTS_INHERITED
nsStopPluginRunnable(nsPluginInstanceOwner *aInstanceOwner)
: mInstanceOwner(aInstanceOwner)
{
NS_ASSERTION(aInstanceOwner, "need an owner");
}
// nsRunnable
NS_IMETHOD Run();
// nsITimerCallback
NS_IMETHOD Notify(nsITimer *timer);
private:
nsCOMPtr<nsITimer> mTimer;
nsRefPtr<nsPluginInstanceOwner> mInstanceOwner;
};
NS_IMPL_ISUPPORTS_INHERITED1(nsStopPluginRunnable, nsRunnable, nsITimerCallback)
#ifdef XP_WIN
static const char*
GetMIMEType(nsIPluginInstance *aPluginInstance)
{
if (aPluginInstance) {
const char* mime = nsnull;
if (NS_SUCCEEDED(aPluginInstance->GetMIMEType(&mime)) && mime)
return mime;
}
return "";
}
#endif
static PRBool
DoDelayedStop(nsPluginInstanceOwner *aInstanceOwner, PRBool aDelayedStop)
{
#if (MOZ_PLATFORM_MAEMO==5)
// Don't delay stop on Maemo/Hildon (bug 530739).
if (aDelayedStop && aInstanceOwner->MatchPluginName("Shockwave Flash"))
return PR_FALSE;
#endif
// Don't delay stopping QuickTime (bug 425157), Flip4Mac (bug 426524),
// XStandard (bug 430219), CMISS Zinc (bug 429604).
if (aDelayedStop
#if !(defined XP_WIN || defined MOZ_X11)
&& !aInstanceOwner->MatchPluginName("QuickTime")
&& !aInstanceOwner->MatchPluginName("Flip4Mac")
&& !aInstanceOwner->MatchPluginName("XStandard plugin")
&& !aInstanceOwner->MatchPluginName("CMISS Zinc Plugin")
#endif
) {
nsCOMPtr<nsIRunnable> evt = new nsStopPluginRunnable(aInstanceOwner);
NS_DispatchToCurrentThread(evt);
return PR_TRUE;
}
return PR_FALSE;
}
static void
DoStopPlugin(nsPluginInstanceOwner *aInstanceOwner, PRBool aDelayedStop)
{
nsCOMPtr<nsIPluginInstance> inst;
aInstanceOwner->GetInstance(*getter_AddRefs(inst));
if (inst) {
NPWindow *win;
aInstanceOwner->GetWindow(win);
nsPluginNativeWindow *window = (nsPluginNativeWindow *)win;
nsCOMPtr<nsIPluginInstance> nullinst;
if (window)
window->CallSetWindow(nullinst);
else
inst->SetWindow(nsnull);
if (DoDelayedStop(aInstanceOwner, aDelayedStop))
return;
inst->Stop();
nsCOMPtr<nsIPluginHost> pluginHost = do_GetService(MOZ_PLUGIN_HOST_CONTRACTID);
if (pluginHost)
pluginHost->StopPluginInstance(inst);
// the frame is going away along with its widget so tell the
// window to forget its widget too
if (window)
window->SetPluginWidget(nsnull);
}
aInstanceOwner->Destroy();
}
NS_IMETHODIMP
nsStopPluginRunnable::Notify(nsITimer *aTimer)
{
return Run();
}
NS_IMETHODIMP
nsStopPluginRunnable::Run()
{
// InitWithCallback calls Release before AddRef so we need to hold a
// strong ref on 'this' since we fall through to this scope if it fails.
nsCOMPtr<nsITimerCallback> kungFuDeathGrip = this;
nsCOMPtr<nsIAppShell> appShell = do_GetService(kAppShellCID);
if (appShell) {
PRUint32 currentLevel = 0;
appShell->GetEventloopNestingLevel(&currentLevel);
if (currentLevel > mInstanceOwner->GetLastEventloopNestingLevel()) {
if (!mTimer)
mTimer = do_CreateInstance("@mozilla.org/timer;1");
if (mTimer) {
// Fire 100ms timer to try to tear down this plugin as quickly as
// possible once the nesting level comes back down.
nsresult rv = mTimer->InitWithCallback(this, 100, nsITimer::TYPE_ONE_SHOT);
if (NS_SUCCEEDED(rv)) {
return rv;
}
}
NS_ERROR("Failed to setup a timer to stop the plugin later (at a safe "
"time). Stopping the plugin now, this might crash.");
}
}
mTimer = nsnull;
DoStopPlugin(mInstanceOwner, PR_FALSE);
return NS_OK;
}
void
nsObjectFrame::StopPlugin()
{
PRBool delayedStop = PR_FALSE;
#ifdef XP_WIN
nsCOMPtr<nsIPluginInstance> inst;
if (mInstanceOwner)
mInstanceOwner->GetInstance(*getter_AddRefs(inst));
if (inst) {
// Delayed stop for Real plugin only; see bug 420886, 426852.
const char* pluginType = ::GetMIMEType(inst);
delayedStop = strcmp(pluginType, "audio/x-pn-realaudio-plugin") == 0;
}
#endif
StopPluginInternal(delayedStop);
}
void
nsObjectFrame::StopPluginInternal(PRBool aDelayedStop)
{
if (!mInstanceOwner) {
return;
}
if (mWidget) {
nsRootPresContext* rootPC = PresContext()->GetRootPresContext();
NS_ASSERTION(rootPC, "unable to unregister the plugin frame");
rootPC->UnregisterPluginForGeometryUpdates(this);
}
// Transfer the reference to the instance owner onto the stack so
// that if we do end up re-entering this code, or if we unwind back
// here witha deleted frame (this), we can still continue to stop
// the plugin. Note that due to that, the ordering of the code in
// this function is extremely important.
nsRefPtr<nsPluginInstanceOwner> owner;
owner.swap(mInstanceOwner);
// Make sure that our windowless rect has been zeroed out, so if we
// get reinstantiated we'll send the right messages to the plug-in.
mWindowlessRect.Empty();
PRBool oldVal = mPreventInstantiation;
mPreventInstantiation = PR_TRUE;
nsWeakFrame weakFrame(this);
#if defined(XP_WIN) || defined(MOZ_X11)
if (aDelayedStop && mWidget) {
// If we're asked to do a delayed stop it means we're stopping the
// plugin because we're destroying the frame. In that case, disown
// the widget.
mInnerView->DetachWidgetEventHandler(mWidget);
mWidget = nsnull;
}
#endif
// From this point on, |this| could have been deleted, so don't
// touch it!
owner->PrepareToStop(aDelayedStop);
DoStopPlugin(owner, aDelayedStop);
// If |this| is still alive, reset mPreventInstantiation.
if (weakFrame.IsAlive()) {
NS_ASSERTION(mPreventInstantiation,
"Instantiation should still be prevented!");
mPreventInstantiation = oldVal;
}
// Break relationship between frame and plugin instance owner
owner->SetOwner(nsnull);
}
void
nsObjectFrame::NotifyContentObjectWrapper()
{
nsCOMPtr<nsIDocument> doc = mContent->GetDocument();
if (!doc)
return;
nsIScriptGlobalObject *sgo = doc->GetScriptGlobalObject();
if (!sgo)
return;
nsIScriptContext *scx = sgo->GetContext();
if (!scx)
return;
JSContext *cx = (JSContext *)scx->GetNativeContext();
nsCOMPtr<nsIXPConnectWrappedNative> wrapper;
nsContentUtils::XPConnect()->
GetWrappedNativeOfNativeObject(cx, sgo->GetGlobalJSObject(), mContent,
NS_GET_IID(nsISupports),
getter_AddRefs(wrapper));
if (!wrapper) {
// Nothing to do here if there's no wrapper for mContent. The proto
// chain will be fixed appropriately when the wrapper is created.
return;
}
JSObject *obj = nsnull;
nsresult rv = wrapper->GetJSObject(&obj);
if (NS_FAILED(rv))
return;
nsHTMLPluginObjElementSH::SetupProtoChain(wrapper, cx, obj);
}
// static
nsIObjectFrame *
nsObjectFrame::GetNextObjectFrame(nsPresContext* aPresContext, nsIFrame* aRoot)
{
nsIFrame* child = aRoot->GetFirstChild(nsnull);
while (child) {
nsIObjectFrame* outFrame = do_QueryFrame(child);
if (outFrame) {
nsCOMPtr<nsIPluginInstance> pi;
outFrame->GetPluginInstance(*getter_AddRefs(pi)); // make sure we have a REAL plugin
if (pi)
return outFrame;
}
outFrame = GetNextObjectFrame(aPresContext, child);
if (outFrame)
return outFrame;
child = child->GetNextSibling();
}
return nsnull;
}
nsIFrame*
NS_NewObjectFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
{
return new (aPresShell) nsObjectFrame(aContext);
}
NS_IMPL_FRAMEARENA_HELPERS(nsObjectFrame)
// nsPluginDOMContextMenuListener class implementation
nsPluginDOMContextMenuListener::nsPluginDOMContextMenuListener()
{
}
nsPluginDOMContextMenuListener::~nsPluginDOMContextMenuListener()
{
}
NS_IMPL_ISUPPORTS2(nsPluginDOMContextMenuListener,
nsIDOMContextMenuListener,
nsIDOMEventListener)
NS_IMETHODIMP
nsPluginDOMContextMenuListener::ContextMenu(nsIDOMEvent* aContextMenuEvent)
{
aContextMenuEvent->PreventDefault(); // consume event
return NS_OK;
}
nsresult nsPluginDOMContextMenuListener::Init(nsIContent* aContent)
{
nsCOMPtr<nsIDOMEventTarget> receiver(do_QueryInterface(aContent));
if (receiver) {
receiver->AddEventListener(NS_LITERAL_STRING("contextmenu"), this, PR_TRUE);
return NS_OK;
}
return NS_ERROR_NO_INTERFACE;
}
nsresult nsPluginDOMContextMenuListener::Destroy(nsIContent* aContent)
{
// Unregister context menu listener
nsCOMPtr<nsIDOMEventTarget> receiver(do_QueryInterface(aContent));
if (receiver) {
receiver->RemoveEventListener(NS_LITERAL_STRING("contextmenu"), this, PR_TRUE);
}
return NS_OK;
}
//plugin instance owner
nsPluginInstanceOwner::nsPluginInstanceOwner()
{
// create nsPluginNativeWindow object, it is derived from NPWindow
// struct and allows to manipulate native window procedure
nsCOMPtr<nsIPluginHost> ph = do_GetService(MOZ_PLUGIN_HOST_CONTRACTID);
if (ph)
ph->NewPluginNativeWindow(&mPluginWindow);
else
mPluginWindow = nsnull;
mObjectFrame = nsnull;
mTagText = nsnull;
#ifdef XP_MACOSX
memset(&mCGPluginPortCopy, 0, sizeof(NP_CGContext));
memset(&mQDPluginPortCopy, 0, sizeof(NP_Port));
mInCGPaintLevel = 0;
#endif
mContentFocused = PR_FALSE;
mWidgetVisible = PR_TRUE;
mPluginPortChanged = PR_FALSE;
mNumCachedAttrs = 0;
mNumCachedParams = 0;
mCachedAttrParamNames = nsnull;
mCachedAttrParamValues = nsnull;
mDestroyWidget = PR_FALSE;
#ifdef MOZ_COMPOSITED_PLUGINS
mLastPoint = nsIntPoint(0,0);
#endif
#ifdef MOZ_USE_IMAGE_EXPOSE
mPluginSize = nsIntSize(0,0);
mXlibSurfGC = None;
mBlitWindow = nsnull;
mSharedXImage = nsnull;
mSharedSegmentInfo.shmaddr = nsnull;
#endif
#ifdef XP_MACOSX
#ifndef NP_NO_QUICKDRAW
mEventModel = NPEventModelCarbon;
#else
mEventModel = NPEventModelCocoa;
#endif
#endif
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG,
("nsPluginInstanceOwner %p created\n", this));
}
nsPluginInstanceOwner::~nsPluginInstanceOwner()
{
PRInt32 cnt;
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG,
("nsPluginInstanceOwner %p deleted\n", this));
#ifdef MAC_CARBON_PLUGINS
CancelTimer();
#endif
mObjectFrame = nsnull;
for (cnt = 0; cnt < (mNumCachedAttrs + 1 + mNumCachedParams); cnt++) {
if (mCachedAttrParamNames && mCachedAttrParamNames[cnt]) {
NS_Free(mCachedAttrParamNames[cnt]);
mCachedAttrParamNames[cnt] = nsnull;
}
if (mCachedAttrParamValues && mCachedAttrParamValues[cnt]) {
NS_Free(mCachedAttrParamValues[cnt]);
mCachedAttrParamValues[cnt] = nsnull;
}
}
if (mCachedAttrParamNames) {
PR_Free(mCachedAttrParamNames);
mCachedAttrParamNames = nsnull;
}
if (mCachedAttrParamValues) {
PR_Free(mCachedAttrParamValues);
mCachedAttrParamValues = nsnull;
}
if (mTagText) {
NS_Free(mTagText);
mTagText = nsnull;
}
// clean up plugin native window object
nsCOMPtr<nsIPluginHost> ph = do_GetService(MOZ_PLUGIN_HOST_CONTRACTID);
if (ph) {
ph->DeletePluginNativeWindow(mPluginWindow);
mPluginWindow = nsnull;
}
if (mInstance) {
mInstance->InvalidateOwner();
}
#ifdef MOZ_USE_IMAGE_EXPOSE
ReleaseXShm();
#endif
}
/*
* nsISupports Implementation
*/
NS_IMPL_ADDREF(nsPluginInstanceOwner)
NS_IMPL_RELEASE(nsPluginInstanceOwner)
NS_INTERFACE_MAP_BEGIN(nsPluginInstanceOwner)
NS_INTERFACE_MAP_ENTRY(nsIPluginInstanceOwner)
NS_INTERFACE_MAP_ENTRY(nsIPluginTagInfo)
NS_INTERFACE_MAP_ENTRY(nsIDOMMouseListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMMouseMotionListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMKeyListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMFocusListener)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIDOMEventListener, nsIDOMMouseListener)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIPluginInstanceOwner)
NS_INTERFACE_MAP_END
NS_IMETHODIMP
nsPluginInstanceOwner::SetInstance(nsIPluginInstance *aInstance)
{
NS_ASSERTION(!mInstance || !aInstance, "mInstance should only be set once!");
mInstance = aInstance;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetWindow(NPWindow *&aWindow)
{
NS_ASSERTION(mPluginWindow, "the plugin window object being returned is null");
aWindow = mPluginWindow;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetMode(PRInt32 *aMode)
{
nsCOMPtr<nsIDocument> doc;
nsresult rv = GetDocument(getter_AddRefs(doc));
nsCOMPtr<nsIPluginDocument> pDoc (do_QueryInterface(doc));
if (pDoc) {
*aMode = NP_FULL;
} else {
*aMode = NP_EMBED;
}
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAttributes(PRUint16& n,
const char*const*& names,
const char*const*& values)
{
nsresult rv = EnsureCachedAttrParamArrays();
NS_ENSURE_SUCCESS(rv, rv);
n = mNumCachedAttrs;
names = (const char **)mCachedAttrParamNames;
values = (const char **)mCachedAttrParamValues;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAttribute(const char* name, const char* *result)
{
NS_ENSURE_ARG_POINTER(name);
NS_ENSURE_ARG_POINTER(result);
nsresult rv = EnsureCachedAttrParamArrays();
NS_ENSURE_SUCCESS(rv, rv);
*result = nsnull;
for (int i = 0; i < mNumCachedAttrs; i++) {
if (0 == PL_strcasecmp(mCachedAttrParamNames[i], name)) {
*result = mCachedAttrParamValues[i];
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDOMElement(nsIDOMElement* *result)
{
return CallQueryInterface(mContent, result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetInstance(nsIPluginInstance *&aInstance)
{
NS_IF_ADDREF(aInstance = mInstance);
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetURL(const char *aURL,
const char *aTarget,
nsIInputStream *aPostStream,
void *aHeadersData,
PRUint32 aHeadersDataLen)
{
NS_ENSURE_TRUE(mObjectFrame, NS_ERROR_NULL_POINTER);
if (mContent->IsEditable()) {
return NS_OK;
}
// the container of the pres context will give us the link handler
nsCOMPtr<nsISupports> container = mObjectFrame->PresContext()->GetContainer();
NS_ENSURE_TRUE(container,NS_ERROR_FAILURE);
nsCOMPtr<nsILinkHandler> lh = do_QueryInterface(container);
NS_ENSURE_TRUE(lh, NS_ERROR_FAILURE);
nsAutoString unitarget;
unitarget.AssignASCII(aTarget); // XXX could this be nonascii?
nsCOMPtr<nsIURI> baseURI = mContent->GetBaseURI();
// Create an absolute URL
nsCOMPtr<nsIURI> uri;
nsresult rv = NS_NewURI(getter_AddRefs(uri), aURL, baseURI);
NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE);
nsCOMPtr<nsIInputStream> headersDataStream;
if (aPostStream && aHeadersData) {
if (!aHeadersDataLen)
return NS_ERROR_UNEXPECTED;
nsCOMPtr<nsIStringInputStream> sis = do_CreateInstance("@mozilla.org/io/string-input-stream;1");
if (!sis)
return NS_ERROR_OUT_OF_MEMORY;
rv = sis->SetData((char *)aHeadersData, aHeadersDataLen);
NS_ENSURE_SUCCESS(rv, rv);
headersDataStream = do_QueryInterface(sis);
}
PRInt32 blockPopups =
nsContentUtils::GetIntPref("privacy.popups.disable_from_plugins");
nsAutoPopupStatePusher popupStatePusher((PopupControlState)blockPopups);
rv = lh->OnLinkClick(mContent, uri, unitarget.get(),
aPostStream, headersDataStream);
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::ShowStatus(const char *aStatusMsg)
{
nsresult rv = NS_ERROR_FAILURE;
rv = this->ShowStatus(NS_ConvertUTF8toUTF16(aStatusMsg).get());
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::ShowStatus(const PRUnichar *aStatusMsg)
{
nsresult rv = NS_ERROR_FAILURE;
if (!mObjectFrame) {
return rv;
}
nsCOMPtr<nsISupports> cont = mObjectFrame->PresContext()->GetContainer();
if (!cont) {
return NS_OK;
}
nsCOMPtr<nsIDocShellTreeItem> docShellItem(do_QueryInterface(cont, &rv));
if (NS_FAILED(rv) || !docShellItem) {
return rv;
}
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
rv = docShellItem->GetTreeOwner(getter_AddRefs(treeOwner));
if (NS_FAILED(rv) || !treeOwner) {
return rv;
}
nsCOMPtr<nsIWebBrowserChrome> browserChrome(do_GetInterface(treeOwner, &rv));
if (NS_FAILED(rv) || !browserChrome) {
return rv;
}
rv = browserChrome->SetStatus(nsIWebBrowserChrome::STATUS_SCRIPT,
aStatusMsg);
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDocument(nsIDocument* *aDocument)
{
if (!aDocument)
return NS_ERROR_NULL_POINTER;
// XXX sXBL/XBL2 issue: current doc or owner doc?
// But keep in mind bug 322414 comment 33
NS_IF_ADDREF(*aDocument = mContent->GetOwnerDoc());
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::InvalidateRect(NPRect *invalidRect)
{
if (!mObjectFrame || !invalidRect || !mWidgetVisible)
return NS_ERROR_FAILURE;
#ifdef MOZ_USE_IMAGE_EXPOSE
PRBool simpleImageRender = PR_FALSE;
mInstance->GetValueFromPlugin(NPPVpluginWindowlessLocalBool,
&simpleImageRender);
if (simpleImageRender) {
NativeImageDraw(invalidRect);
return NS_OK;
}
#endif
#ifndef XP_MACOSX
// Windowed plugins should not be calling NPN_InvalidateRect, but
// Silverlight does and expects it to "work"
if (mWidget) {
mWidget->Invalidate(nsIntRect(invalidRect->left, invalidRect->top,
invalidRect->right - invalidRect->left,
invalidRect->bottom - invalidRect->top),
PR_FALSE);
return NS_OK;
}
#endif
nsPresContext* presContext = mObjectFrame->PresContext();
nsRect rect(presContext->DevPixelsToAppUnits(invalidRect->left),
presContext->DevPixelsToAppUnits(invalidRect->top),
presContext->DevPixelsToAppUnits(invalidRect->right - invalidRect->left),
presContext->DevPixelsToAppUnits(invalidRect->bottom - invalidRect->top));
mObjectFrame->Invalidate(rect + mObjectFrame->GetUsedBorderAndPadding().TopLeft());
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::InvalidateRegion(NPRegion invalidRegion)
{
return NS_ERROR_NOT_IMPLEMENTED;
}
NS_IMETHODIMP nsPluginInstanceOwner::ForceRedraw()
{
NS_ENSURE_TRUE(mObjectFrame, NS_ERROR_NULL_POINTER);
nsIView* view = mObjectFrame->GetView();
if (view) {
return view->GetViewManager()->Composite();
}
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetNetscapeWindow(void *value)
{
if (!mObjectFrame) {
NS_WARNING("plugin owner has no owner in getting doc's window handle");
return NS_ERROR_FAILURE;
}
#if defined(XP_WIN) || defined(XP_OS2)
void** pvalue = (void**)value;
nsIViewManager* vm = mObjectFrame->PresContext()->GetPresShell()->GetViewManager();
if (!vm)
return NS_ERROR_FAILURE;
#if defined(XP_WIN)
// This property is provided to allow a "windowless" plugin to determine the window it is drawing
// in, so it can translate mouse coordinates it receives directly from the operating system
// to coordinates relative to itself.
// The original code (outside this #if) returns the document's window, which is OK if the window the "windowless" plugin
// is drawing into has the same origin as the document's window, but this is not the case for "windowless" plugins inside of scrolling DIVs etc
// To make sure "windowless" plugins always get the right origin for translating mouse coordinates, this code
// determines the window handle of the mozilla window containing the "windowless" plugin.
// Given that this HWND may not be that of the document's window, there is a slight risk
// of confusing a plugin that is using this HWND for illicit purposes, but since the documentation
// does not suggest this HWND IS that of the document window, rather that of the window
// the plugin is drawn in, this seems like a safe fix.
// we only attempt to get the nearest window if this really is a "windowless" plugin so as not
// to change any behaviour for the much more common windowed plugins,
// though why this method would even be being called for a windowed plugin escapes me.
if (mPluginWindow && mPluginWindow->type == NPWindowTypeDrawable) {
// it turns out that flash also uses this window for determining focus, and is currently
// unable to show a caret correctly if we return the enclosing window. Therefore for
// now we only return the enclosing window when there is an actual offset which
// would otherwise cause coordinates to be offset incorrectly. (i.e.
// if the enclosing window if offset from the document window)
//
// fixing both the caret and ability to interact issues for a windowless control in a non document aligned windw
// does not seem to be possible without a change to the flash plugin
nsIWidget* win = mObjectFrame->GetWindow();
if (win) {
nsIView *view = nsIView::GetViewFor(win);
NS_ASSERTION(view, "No view for widget");
nsPoint offset = view->GetOffsetTo(nsnull);
if (offset.x || offset.y) {
// in the case the two windows are offset from eachother, we do go ahead and return the correct enclosing window
// so that mouse co-ordinates are not messed up.
*pvalue = (void*)win->GetNativeData(NS_NATIVE_WINDOW);
if (*pvalue)
return NS_OK;
}
}
}
#endif
// simply return the topmost document window
nsCOMPtr<nsIWidget> widget;
nsresult rv = vm->GetRootWidget(getter_AddRefs(widget));
if (widget) {
*pvalue = (void*)widget->GetNativeData(NS_NATIVE_WINDOW);
} else {
NS_ASSERTION(widget, "couldn't get doc's widget in getting doc's window handle");
}
return rv;
#elif defined(MOZ_WIDGET_GTK2)
// X11 window managers want the toplevel window for WM_TRANSIENT_FOR.
nsIWidget* win = mObjectFrame->GetWindow();
if (!win)
return NS_ERROR_FAILURE;
GdkWindow* gdkWindow = static_cast<GdkWindow*>(win->GetNativeData(NS_NATIVE_WINDOW));
if (!gdkWindow)
return NS_ERROR_FAILURE;
gdkWindow = gdk_window_get_toplevel(gdkWindow);
#ifdef MOZ_X11
*static_cast<Window*>(value) = GDK_WINDOW_XID(gdkWindow);
#endif
return NS_OK;
#elif defined(MOZ_WIDGET_QT)
// X11 window managers want the toplevel window for WM_TRANSIENT_FOR.
nsIWidget* win = mObjectFrame->GetWindow();
if (!win)
return NS_ERROR_FAILURE;
QWidget* widget = static_cast<QWidget*>(win->GetNativeData(NS_NATIVE_WINDOW));
if (!widget)
return NS_ERROR_FAILURE;
#ifdef MOZ_X11
*static_cast<Window*>(value) = widget->handle();
#endif
return NS_OK;
#else
return NS_ERROR_NOT_IMPLEMENTED;
#endif
}
NS_IMETHODIMP nsPluginInstanceOwner::SetEventModel(PRInt32 eventModel)
{
#ifdef XP_MACOSX
mEventModel = static_cast<NPEventModel>(eventModel);
return NS_OK;
#else
return NS_ERROR_NOT_IMPLEMENTED;
#endif
}
NPError nsPluginInstanceOwner::ShowNativeContextMenu(NPMenu* menu, void* event)
{
if (!menu || !event)
return NPERR_GENERIC_ERROR;
#ifdef XP_MACOSX
if (GetEventModel() != NPEventModelCocoa)
return NPERR_INCOMPATIBLE_VERSION_ERROR;
return NS_NPAPI_ShowCocoaContextMenu(static_cast<void*>(menu), mWidget,
static_cast<NPCocoaEvent*>(event));
#else
return NPERR_INCOMPATIBLE_VERSION_ERROR;
#endif
}
NPBool nsPluginInstanceOwner::ConvertPoint(double sourceX, double sourceY, NPCoordinateSpace sourceSpace,
double *destX, double *destY, NPCoordinateSpace destSpace)
{
#ifdef XP_MACOSX
if (!mWidget)
return PR_FALSE;
return NS_NPAPI_ConvertPointCocoa(mWidget->GetNativeData(NS_NATIVE_WIDGET),
sourceX, sourceY, sourceSpace, destX, destY, destSpace);
#else
// we should implement this for all platforms
return PR_FALSE;
#endif
}
NS_IMETHODIMP nsPluginInstanceOwner::GetTagType(nsPluginTagType *result)
{
NS_ENSURE_ARG_POINTER(result);
*result = nsPluginTagType_Unknown;
nsIAtom *atom = mContent->Tag();
if (atom == nsGkAtoms::applet)
*result = nsPluginTagType_Applet;
else if (atom == nsGkAtoms::embed)
*result = nsPluginTagType_Embed;
else if (atom == nsGkAtoms::object)
*result = nsPluginTagType_Object;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetTagText(const char* *result)
{
NS_ENSURE_ARG_POINTER(result);
if (nsnull == mTagText) {
nsresult rv;
nsCOMPtr<nsIDOMNode> node(do_QueryInterface(mContent, &rv));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIDocument> document;
rv = GetDocument(getter_AddRefs(document));
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIDOMDocument> domDoc = do_QueryInterface(document);
NS_ASSERTION(domDoc, "Need a document");
nsCOMPtr<nsIDocumentEncoder> docEncoder(do_CreateInstance(NS_DOC_ENCODER_CONTRACTID_BASE "text/html", &rv));
if (NS_FAILED(rv))
return rv;
rv = docEncoder->Init(domDoc, NS_LITERAL_STRING("text/html"), nsIDocumentEncoder::OutputEncodeBasicEntities);
if (NS_FAILED(rv))
return rv;
nsCOMPtr<nsIDOMRange> range(do_CreateInstance(kRangeCID,&rv));
if (NS_FAILED(rv))
return rv;
rv = range->SelectNode(node);
if (NS_FAILED(rv))
return rv;
docEncoder->SetRange(range);
nsString elementHTML;
rv = docEncoder->EncodeToString(elementHTML);
if (NS_FAILED(rv))
return rv;
mTagText = ToNewUTF8String(elementHTML);
if (!mTagText)
return NS_ERROR_OUT_OF_MEMORY;
}
*result = mTagText;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetParameters(PRUint16& n, const char*const*& names, const char*const*& values)
{
nsresult rv = EnsureCachedAttrParamArrays();
NS_ENSURE_SUCCESS(rv, rv);
n = mNumCachedParams;
if (n) {
names = (const char **)(mCachedAttrParamNames + mNumCachedAttrs + 1);
values = (const char **)(mCachedAttrParamValues + mNumCachedAttrs + 1);
} else
names = values = nsnull;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetParameter(const char* name, const char* *result)
{
NS_ENSURE_ARG_POINTER(name);
NS_ENSURE_ARG_POINTER(result);
nsresult rv = EnsureCachedAttrParamArrays();
NS_ENSURE_SUCCESS(rv, rv);
*result = nsnull;
for (int i = mNumCachedAttrs + 1; i < (mNumCachedParams + 1 + mNumCachedAttrs); i++) {
if (0 == PL_strcasecmp(mCachedAttrParamNames[i], name)) {
*result = mCachedAttrParamValues[i];
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetDocumentBase(const char* *result)
{
NS_ENSURE_ARG_POINTER(result);
nsresult rv = NS_OK;
if (mDocumentBase.IsEmpty()) {
if (!mObjectFrame) {
*result = nsnull;
return NS_ERROR_FAILURE;
}
nsIDocument* doc = mContent->GetOwnerDoc();
NS_ASSERTION(doc, "Must have an owner doc");
rv = doc->GetBaseURI()->GetSpec(mDocumentBase);
}
if (NS_SUCCEEDED(rv))
*result = ToNewCString(mDocumentBase);
return rv;
}
static nsDataHashtable<nsDepCharHashKey, const char *> * gCharsetMap;
typedef struct {
char mozName[16];
char javaName[12];
} moz2javaCharset;
/* XXX If you add any strings longer than
* {"x-mac-cyrillic", "MacCyrillic"},
* {"x-mac-ukrainian", "MacUkraine"},
* to the following array then you MUST update the
* sizes of the arrays in the moz2javaCharset struct
*/
static const moz2javaCharset charsets[] =
{
{"windows-1252", "Cp1252"},
{"IBM850", "Cp850"},
{"IBM852", "Cp852"},
{"IBM855", "Cp855"},
{"IBM857", "Cp857"},
{"IBM828", "Cp862"},
{"IBM864", "Cp864"},
{"IBM866", "Cp866"},
{"windows-1250", "Cp1250"},
{"windows-1251", "Cp1251"},
{"windows-1253", "Cp1253"},
{"windows-1254", "Cp1254"},
{"windows-1255", "Cp1255"},
{"windows-1256", "Cp1256"},
{"windows-1257", "Cp1257"},
{"windows-1258", "Cp1258"},
{"EUC-JP", "EUC_JP"},
{"EUC-KR", "EUC_KR"},
{"x-euc-tw", "EUC_TW"},
{"gb18030", "GB18030"},
{"x-gbk", "GBK"},
{"ISO-2022-JP", "ISO2022JP"},
{"ISO-2022-KR", "ISO2022KR"},
{"ISO-8859-2", "ISO8859_2"},
{"ISO-8859-3", "ISO8859_3"},
{"ISO-8859-4", "ISO8859_4"},
{"ISO-8859-5", "ISO8859_5"},
{"ISO-8859-6", "ISO8859_6"},
{"ISO-8859-7", "ISO8859_7"},
{"ISO-8859-8", "ISO8859_8"},
{"ISO-8859-9", "ISO8859_9"},
{"ISO-8859-13", "ISO8859_13"},
{"x-johab", "Johab"},
{"KOI8-R", "KOI8_R"},
{"TIS-620", "MS874"},
{"windows-936", "MS936"},
{"x-windows-949", "MS949"},
{"x-mac-arabic", "MacArabic"},
{"x-mac-croatian", "MacCroatia"},
{"x-mac-cyrillic", "MacCyrillic"},
{"x-mac-greek", "MacGreek"},
{"x-mac-hebrew", "MacHebrew"},
{"x-mac-icelandic", "MacIceland"},
{"x-mac-roman", "MacRoman"},
{"x-mac-romanian", "MacRomania"},
{"x-mac-ukrainian", "MacUkraine"},
{"Shift_JIS", "SJIS"},
{"TIS-620", "TIS620"}
};
NS_IMETHODIMP nsPluginInstanceOwner::GetDocumentEncoding(const char* *result)
{
NS_ENSURE_ARG_POINTER(result);
*result = nsnull;
nsresult rv;
// XXX sXBL/XBL2 issue: current doc or owner doc?
nsCOMPtr<nsIDocument> doc;
rv = GetDocument(getter_AddRefs(doc));
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to get document");
if (NS_FAILED(rv))
return rv;
const nsCString &charset = doc->GetDocumentCharacterSet();
if (charset.IsEmpty())
return NS_OK;
// common charsets and those not requiring conversion first
if (charset.EqualsLiteral("us-ascii")) {
*result = PL_strdup("US_ASCII");
} else if (charset.EqualsLiteral("ISO-8859-1") ||
!nsCRT::strncmp(PromiseFlatCString(charset).get(), "UTF", 3)) {
*result = ToNewCString(charset);
} else {
if (!gCharsetMap) {
const int NUM_CHARSETS = sizeof(charsets) / sizeof(moz2javaCharset);
gCharsetMap = new nsDataHashtable<nsDepCharHashKey, const char*>();
if (!gCharsetMap || !gCharsetMap->Init(NUM_CHARSETS))
return NS_ERROR_OUT_OF_MEMORY;
for (PRUint16 i = 0; i < NUM_CHARSETS; i++) {
gCharsetMap->Put(charsets[i].mozName, charsets[i].javaName);
}
}
// if found mapping, return it; otherwise return original charset
const char *mapping;
*result = gCharsetMap->Get(charset.get(), &mapping) ? PL_strdup(mapping) :
ToNewCString(charset);
}
return (*result) ? NS_OK : NS_ERROR_OUT_OF_MEMORY;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetAlignment(const char* *result)
{
return GetAttribute("ALIGN", result);
}
NS_IMETHODIMP nsPluginInstanceOwner::GetWidth(PRUint32 *result)
{
NS_ENSURE_ARG_POINTER(result);
NS_ENSURE_TRUE(mPluginWindow, NS_ERROR_NULL_POINTER);
*result = mPluginWindow->width;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetHeight(PRUint32 *result)
{
NS_ENSURE_ARG_POINTER(result);
NS_ENSURE_TRUE(mPluginWindow, NS_ERROR_NULL_POINTER);
*result = mPluginWindow->height;
return NS_OK;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetBorderVertSpace(PRUint32 *result)
{
nsresult rv;
const char *vspace;
rv = GetAttribute("VSPACE", &vspace);
if (NS_OK == rv) {
if (*result != 0)
*result = (PRUint32)atol(vspace);
else
*result = 0;
}
else
*result = 0;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetBorderHorizSpace(PRUint32 *result)
{
nsresult rv;
const char *hspace;
rv = GetAttribute("HSPACE", &hspace);
if (NS_OK == rv) {
if (*result != 0)
*result = (PRUint32)atol(hspace);
else
*result = 0;
}
else
*result = 0;
return rv;
}
NS_IMETHODIMP nsPluginInstanceOwner::GetUniqueID(PRUint32 *result)
{
NS_ENSURE_ARG_POINTER(result);
*result = NS_PTR_TO_INT32(mObjectFrame);
return NS_OK;
}
// Cache the attributes and/or parameters of our tag into a single set
// of arrays to be compatible with 4.x. The attributes go first,
// followed by a PARAM/null and then any PARAM tags. Also, hold the
// cached array around for the duration of the life of the instance
// because 4.x did. See bug 111008.
nsresult nsPluginInstanceOwner::EnsureCachedAttrParamArrays()
{
if (mCachedAttrParamValues)
return NS_OK;
NS_PRECONDITION(((mNumCachedAttrs + mNumCachedParams) == 0) &&
!mCachedAttrParamNames,
"re-cache of attrs/params not implemented! use the DOM "
"node directy instead");
NS_ENSURE_TRUE(mObjectFrame, NS_ERROR_NULL_POINTER);
// first, we need to find out how much we need to allocate for our
// arrays count up attributes
mNumCachedAttrs = 0;
PRUint32 cattrs = mContent->GetAttrCount();
if (cattrs < 0x0000FFFF) {
// unsigned 32 bits to unsigned 16 bits conversion
mNumCachedAttrs = static_cast<PRUint16>(cattrs);
} else {
mNumCachedAttrs = 0xFFFE; // minus one in case we add an extra "src" entry below
}
// now, we need to find all the PARAM tags that are children of us
// however, be carefull NOT to include any PARAMs that don't have us
// as a direct parent. For nested object (or applet) tags, be sure
// to only round up the param tags that coorespond with THIS
// instance. And also, weed out any bogus tags that may get in the
// way, see bug 39609. Then, with any param tag that meet our
// qualification, temporarly cache them in an nsCOMArray until
// we can figure out what size to make our fixed char* array.
mNumCachedParams = 0;
nsCOMArray<nsIDOMElement> ourParams;
// use the DOM to get us ALL our dependent PARAM tags, even if not
// ours
nsCOMPtr<nsIDOMElement> mydomElement = do_QueryInterface(mContent);
NS_ENSURE_TRUE(mydomElement, NS_ERROR_NO_INTERFACE);
nsCOMPtr<nsIDOMNodeList> allParams;
// Making DOM method calls can cause our frame to go away, which
// might kill us...
nsCOMPtr<nsIPluginInstanceOwner> kungFuDeathGrip(this);
NS_NAMED_LITERAL_STRING(xhtml_ns, "http://www.w3.org/1999/xhtml");
mydomElement->GetElementsByTagNameNS(xhtml_ns, NS_LITERAL_STRING("param"),
getter_AddRefs(allParams));
if (allParams) {
PRUint32 numAllParams;
allParams->GetLength(&numAllParams);
// loop through every so called dependent PARAM tag to check if it
// "belongs" to us
for (PRUint32 i = 0; i < numAllParams; i++) {
nsCOMPtr<nsIDOMNode> pnode;
allParams->Item(i, getter_AddRefs(pnode));
nsCOMPtr<nsIDOMElement> domelement = do_QueryInterface(pnode);
if (domelement) {
// let's NOT count up param tags that don't have a name attribute
nsAutoString name;
domelement->GetAttribute(NS_LITERAL_STRING("name"), name);
if (!name.IsEmpty()) {
nsCOMPtr<nsIDOMNode> parent;
nsCOMPtr<nsIDOMHTMLObjectElement> domobject;
nsCOMPtr<nsIDOMHTMLAppletElement> domapplet;
pnode->GetParentNode(getter_AddRefs(parent));
// walk up the parents of this PARAM until we find an object
// (or applet) tag
while (!(domobject || domapplet) && parent) {
domobject = do_QueryInterface(parent);
domapplet = do_QueryInterface(parent);
nsCOMPtr<nsIDOMNode> temp;
parent->GetParentNode(getter_AddRefs(temp));
parent = temp;
}
if (domapplet || domobject) {
if (domapplet)
parent = domapplet;
else
parent = domobject;
// now check to see if this PARAM's parent is us. if so,
// cache it for later
nsCOMPtr<nsIDOMNode> mydomNode = do_QueryInterface(mydomElement);
if (parent == mydomNode) {
ourParams.AppendObject(domelement);
}
}
}
}
}
}
// We're done with DOM method calls now; make sure we still have a frame.
NS_ENSURE_TRUE(mObjectFrame, NS_ERROR_OUT_OF_MEMORY);
PRUint32 cparams = ourParams.Count(); // unsigned 32 bits to unsigned 16 bits conversion
if (cparams < 0x0000FFFF)
mNumCachedParams = static_cast<PRUint16>(cparams);
else
mNumCachedParams = 0xFFFF;
// Some plugins were never written to understand the "data" attribute of the OBJECT tag.
// Real and WMP will not play unless they find a "src" attribute, see bug 152334.
// Nav 4.x would simply replace the "data" with "src". Because some plugins correctly
// look for "data", lets instead copy the "data" attribute and add another entry
// to the bottom of the array if there isn't already a "src" specified.
PRInt16 numRealAttrs = mNumCachedAttrs;
nsAutoString data;
if (mContent->Tag() == nsGkAtoms::object
&& !mContent->HasAttr(kNameSpaceID_None, nsGkAtoms::src)
&& mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::data, data)) {
mNumCachedAttrs++;
}
// "plugins.force.wmode" preference is forcing wmode type for plugins
// possible values - "opaque", "transparent", "windowed"
nsAdoptingCString wmodeType = nsContentUtils::GetCharPref("plugins.force.wmode");
if (!wmodeType.IsEmpty())
mNumCachedAttrs++;
// now lets make the arrays
mCachedAttrParamNames = (char **)PR_Calloc(sizeof(char *) * (mNumCachedAttrs + 1 + mNumCachedParams), 1);
NS_ENSURE_TRUE(mCachedAttrParamNames, NS_ERROR_OUT_OF_MEMORY);
mCachedAttrParamValues = (char **)PR_Calloc(sizeof(char *) * (mNumCachedAttrs + 1 + mNumCachedParams), 1);
NS_ENSURE_TRUE(mCachedAttrParamValues, NS_ERROR_OUT_OF_MEMORY);
// let's fill in our attributes
PRInt16 c = 0;
// Some plugins (eg Flash, see bug 234675.) are actually sensitive to the
// attribute order. So we want to make sure we give the plugin the
// attributes in the order they came in in the source, to be compatible with
// other browsers. Now in HTML, the storage order is the reverse of the
// source order, while in XML and XHTML it's the same as the source order
// (see the AddAttributes functions in the HTML and XML content sinks).
PRInt16 start, end, increment;
if (mContent->IsHTML() &&
mContent->IsInHTMLDocument()) {
// HTML. Walk attributes in reverse order.
start = numRealAttrs - 1;
end = -1;
increment = -1;
} else {
// XHTML or XML. Walk attributes in forward order.
start = 0;
end = numRealAttrs;
increment = 1;
}
if (!wmodeType.IsEmpty()) {
mCachedAttrParamNames [c] = ToNewUTF8String(NS_LITERAL_STRING("wmode"));
mCachedAttrParamValues[c] = ToNewUTF8String(NS_ConvertUTF8toUTF16(wmodeType));
c++;
}
for (PRInt16 index = start; index != end; index += increment) {
const nsAttrName* attrName = mContent->GetAttrNameAt(index);
nsIAtom* atom = attrName->LocalName();
nsAutoString value;
mContent->GetAttr(attrName->NamespaceID(), atom, value);
nsAutoString name;
atom->ToString(name);
FixUpURLS(name, value);
mCachedAttrParamNames [c] = ToNewUTF8String(name);
mCachedAttrParamValues[c] = ToNewUTF8String(value);
c++;
}
// if the conditions above were met, copy the "data" attribute to a "src" array entry
if (data.Length()) {
mCachedAttrParamNames [mNumCachedAttrs-1] = ToNewUTF8String(NS_LITERAL_STRING("SRC"));
mCachedAttrParamValues[mNumCachedAttrs-1] = ToNewUTF8String(data);
}
// add our PARAM and null separator
mCachedAttrParamNames [mNumCachedAttrs] = ToNewUTF8String(NS_LITERAL_STRING("PARAM"));
mCachedAttrParamValues[mNumCachedAttrs] = nsnull;
// now fill in the PARAM name/value pairs from the cached DOM nodes
c = 0;
for (PRInt16 idx = 0; idx < mNumCachedParams; idx++) {
nsIDOMElement* param = ourParams.ObjectAt(idx);
if (param) {
nsAutoString name;
nsAutoString value;
param->GetAttribute(NS_LITERAL_STRING("name"), name); // check for empty done above
param->GetAttribute(NS_LITERAL_STRING("value"), value);
FixUpURLS(name, value);
/*
* According to the HTML 4.01 spec, at
* http://www.w3.org/TR/html4/types.html#type-cdata
* ''User agents may ignore leading and trailing
* white space in CDATA attribute values (e.g., "
* myval " may be interpreted as "myval"). Authors
* should not declare attribute values with
* leading or trailing white space.''
* However, do not trim consecutive spaces as in bug 122119
*/
name.Trim(" \n\r\t\b", PR_TRUE, PR_TRUE, PR_FALSE);
value.Trim(" \n\r\t\b", PR_TRUE, PR_TRUE, PR_FALSE);
mCachedAttrParamNames [mNumCachedAttrs + 1 + c] = ToNewUTF8String(name);
mCachedAttrParamValues[mNumCachedAttrs + 1 + c] = ToNewUTF8String(value);
c++; // rules!
}
}
return NS_OK;
}
// Here's where we forward events to plugins.
#ifdef XP_MACOSX
#ifndef NP_NO_CARBON
static void InitializeEventRecord(EventRecord* event, Point* aMousePosition)
{
memset(event, 0, sizeof(EventRecord));
if (aMousePosition) {
event->where = *aMousePosition;
} else {
::GetGlobalMouse(&event->where);
}
event->when = ::TickCount();
event->modifiers = ::GetCurrentKeyModifiers();
}
#endif
static void InitializeNPCocoaEvent(NPCocoaEvent* event)
{
memset(event, 0, sizeof(NPCocoaEvent));
}
NPDrawingModel nsPluginInstanceOwner::GetDrawingModel()
{
#ifndef NP_NO_QUICKDRAW
NPDrawingModel drawingModel = NPDrawingModelQuickDraw;
#else
NPDrawingModel drawingModel = NPDrawingModelCoreGraphics;
#endif
if (!mInstance)
return drawingModel;
mInstance->GetDrawingModel((PRInt32*)&drawingModel);
return drawingModel;
}
NPEventModel nsPluginInstanceOwner::GetEventModel()
{
return mEventModel;
}
void* nsPluginInstanceOwner::GetPluginPortCopy()
{
#ifndef NP_NO_QUICKDRAW
if (GetDrawingModel() == NPDrawingModelQuickDraw)
return &mQDPluginPortCopy;
#endif
if (GetDrawingModel() == NPDrawingModelCoreGraphics)
return &mCGPluginPortCopy;
return nsnull;
}
// Currently (on OS X in Cocoa widgets) any changes made as a result of
// calling GetPluginPortFromWidget() are immediately reflected in the NPWindow
// structure that has been passed to the plugin via SetWindow(). This is
// because calls to nsChildView::GetNativeData(NS_NATIVE_PLUGIN_PORT_CG)
// always return a pointer to the same internal (private) object, but may
// make changes inside that object. All calls to GetPluginPortFromWidget() made while
// the plugin is active (i.e. excluding those made at our initialization)
// need to take this into account. The easiest way to do so is to replace
// them with calls to SetPluginPortAndDetectChange(). This method keeps track
// of when calls to GetPluginPortFromWidget() result in changes, and sets a flag to make
// sure SetWindow() gets called the next time through FixUpPluginWindow(), so
// that the plugin is notified of these changes.
void* nsPluginInstanceOwner::SetPluginPortAndDetectChange()
{
if (!mPluginWindow)
return nsnull;
void* pluginPort = GetPluginPortFromWidget();
if (!pluginPort)
return nsnull;
mPluginWindow->window = pluginPort;
#ifndef NP_NO_QUICKDRAW
NPDrawingModel drawingModel = GetDrawingModel();
if (drawingModel == NPDrawingModelQuickDraw) {
NP_Port* windowQDPort = static_cast<NP_Port*>(mPluginWindow->window);
if (windowQDPort->port != mQDPluginPortCopy.port) {
mQDPluginPortCopy.port = windowQDPort->port;
mPluginPortChanged = PR_TRUE;
}
} else if (drawingModel == NPDrawingModelCoreGraphics)
#endif
{
#ifndef NP_NO_CARBON
if (GetEventModel() == NPEventModelCarbon) {
NP_CGContext* windowCGPort = static_cast<NP_CGContext*>(mPluginWindow->window);
if ((windowCGPort->context != mCGPluginPortCopy.context) ||
(windowCGPort->window != mCGPluginPortCopy.window)) {
mCGPluginPortCopy.context = windowCGPort->context;
mCGPluginPortCopy.window = windowCGPort->window;
mPluginPortChanged = PR_TRUE;
}
}
#endif
}
return mPluginWindow->window;
}
void nsPluginInstanceOwner::BeginCGPaint()
{
++mInCGPaintLevel;
}
void nsPluginInstanceOwner::EndCGPaint()
{
--mInCGPaintLevel;
NS_ASSERTION(mInCGPaintLevel >= 0, "Mismatched call to nsPluginInstanceOwner::EndCGPaint()!");
}
#endif
// static
PRUint32
nsPluginInstanceOwner::GetEventloopNestingLevel()
{
nsCOMPtr<nsIAppShell> appShell = do_GetService(kAppShellCID);
PRUint32 currentLevel = 0;
if (appShell) {
appShell->GetEventloopNestingLevel(&currentLevel);
#ifdef XP_MACOSX
// Cocoa widget code doesn't process UI events through the normal
// appshell event loop, so it needs an additional count here.
currentLevel++;
#endif
}
// No idea how this happens... but Linux doesn't consistently
// process UI events through the appshell event loop. If we get a 0
// here on any platform we increment the level just in case so that
// we make sure we always tear the plugin down eventually.
if (!currentLevel) {
currentLevel++;
}
return currentLevel;
}
void nsPluginInstanceOwner::ScrollPositionWillChange(nscoord aX, nscoord aY)
{
#ifdef MAC_CARBON_PLUGINS
if (GetEventModel() != NPEventModelCarbon)
return;
CancelTimer();
if (mInstance) {
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
EventRecord scrollEvent;
InitializeEventRecord(&scrollEvent, nsnull);
scrollEvent.what = NPEventType_ScrollingBeginsEvent;
void* window = FixUpPluginWindow(ePluginPaintDisable);
if (window) {
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&scrollEvent, &eventHandled);
}
pluginWidget->EndDrawPlugin();
}
}
#endif
}
void nsPluginInstanceOwner::ScrollPositionDidChange(nscoord aX, nscoord aY)
{
#ifdef MAC_CARBON_PLUGINS
if (GetEventModel() != NPEventModelCarbon)
return;
if (mInstance) {
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
EventRecord scrollEvent;
InitializeEventRecord(&scrollEvent, nsnull);
scrollEvent.what = NPEventType_ScrollingEndsEvent;
void* window = FixUpPluginWindow(ePluginPaintEnable);
if (window) {
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&scrollEvent, &eventHandled);
}
pluginWidget->EndDrawPlugin();
}
}
#endif
}
/*=============== nsIFocusListener ======================*/
nsresult nsPluginInstanceOwner::Focus(nsIDOMEvent * aFocusEvent)
{
mContentFocused = PR_TRUE;
return DispatchFocusToPlugin(aFocusEvent);
}
nsresult nsPluginInstanceOwner::Blur(nsIDOMEvent * aFocusEvent)
{
mContentFocused = PR_FALSE;
return DispatchFocusToPlugin(aFocusEvent);
}
nsresult nsPluginInstanceOwner::DispatchFocusToPlugin(nsIDOMEvent* aFocusEvent)
{
#ifndef XP_MACOSX
if (!mPluginWindow || (mPluginWindow->type == NPWindowTypeWindow)) {
// continue only for cases without child window
return aFocusEvent->PreventDefault(); // consume event
}
#endif
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aFocusEvent));
if (privateEvent) {
nsEvent * theEvent = privateEvent->GetInternalNSEvent();
if (theEvent) {
// we only care about the message in ProcessEvent
nsGUIEvent focusEvent(NS_IS_TRUSTED_EVENT(theEvent), theEvent->message,
nsnull);
nsEventStatus rv = ProcessEvent(focusEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aFocusEvent->PreventDefault();
aFocusEvent->StopPropagation();
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchFocusToPlugin failed, focusEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchFocusToPlugin failed, privateEvent null");
return NS_OK;
}
/*=============== nsIKeyListener ======================*/
nsresult nsPluginInstanceOwner::KeyDown(nsIDOMEvent* aKeyEvent)
{
return DispatchKeyToPlugin(aKeyEvent);
}
nsresult nsPluginInstanceOwner::KeyUp(nsIDOMEvent* aKeyEvent)
{
return DispatchKeyToPlugin(aKeyEvent);
}
nsresult nsPluginInstanceOwner::KeyPress(nsIDOMEvent* aKeyEvent)
{
#ifdef MAC_CARBON_PLUGINS
// send KeyPress events only for Mac OS X Carbon event model
if (GetEventModel() != NPEventModelCarbon)
return aKeyEvent->PreventDefault();
// KeyPress events are really synthesized keyDown events.
// Here we check the native message of the event so that
// we won't send the plugin two keyDown events.
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aKeyEvent));
if (privateEvent) {
nsEvent *theEvent = privateEvent->GetInternalNSEvent();
const nsGUIEvent *guiEvent = (nsGUIEvent*)theEvent;
const EventRecord *ev = (EventRecord*)(guiEvent->pluginEvent);
if (guiEvent &&
guiEvent->message == NS_KEY_PRESS &&
ev &&
ev->what == keyDown)
return aKeyEvent->PreventDefault(); // consume event
}
// Nasty hack to avoid recursive event dispatching with Java. Java can
// dispatch key events to a TSM handler, which comes back and calls
// [ChildView insertText:] on the cocoa widget, which sends a key
// event back down.
static PRBool sInKeyDispatch = PR_FALSE;
if (sInKeyDispatch)
return aKeyEvent->PreventDefault(); // consume event
sInKeyDispatch = PR_TRUE;
nsresult rv = DispatchKeyToPlugin(aKeyEvent);
sInKeyDispatch = PR_FALSE;
return rv;
#else
if (SendNativeEvents())
DispatchKeyToPlugin(aKeyEvent);
if (mInstance) {
// If this event is going to the plugin, we want to kill it.
// Not actually sending keypress to the plugin, since we didn't before.
aKeyEvent->PreventDefault();
aKeyEvent->StopPropagation();
}
return NS_OK;
#endif
}
nsresult nsPluginInstanceOwner::DispatchKeyToPlugin(nsIDOMEvent* aKeyEvent)
{
#if !defined(XP_MACOSX) && !defined(MOZ_COMPOSITED_PLUGINS)
if (!mPluginWindow || (mPluginWindow->type == NPWindowTypeWindow))
return aKeyEvent->PreventDefault(); // consume event
// continue only for cases without child window
#endif
if (mInstance) {
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aKeyEvent));
if (privateEvent) {
nsKeyEvent *keyEvent = (nsKeyEvent *) privateEvent->GetInternalNSEvent();
if (keyEvent) {
nsEventStatus rv = ProcessEvent(*keyEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aKeyEvent->PreventDefault();
aKeyEvent->StopPropagation();
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchKeyToPlugin failed, keyEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchKeyToPlugin failed, privateEvent null");
}
return NS_OK;
}
/*=============== nsIDOMMouseMotionListener ======================*/
nsresult
nsPluginInstanceOwner::MouseMove(nsIDOMEvent* aMouseEvent)
{
#if !defined(XP_MACOSX)
if (!mPluginWindow || (mPluginWindow->type == NPWindowTypeWindow))
return aMouseEvent->PreventDefault(); // consume event
// continue only for cases without child window
#endif
// don't send mouse events if we are hidden
if (!mWidgetVisible)
return NS_OK;
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aMouseEvent));
if (privateEvent) {
nsMouseEvent* mouseEvent = (nsMouseEvent *) privateEvent->GetInternalNSEvent();
if (mouseEvent) {
nsEventStatus rv = ProcessEvent(*mouseEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
return aMouseEvent->PreventDefault(); // consume event
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseMove failed, mouseEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseMove failed, privateEvent null");
return NS_OK;
}
/*=============== nsIDOMMouseListener ======================*/
nsresult
nsPluginInstanceOwner::MouseDown(nsIDOMEvent* aMouseEvent)
{
#if !defined(XP_MACOSX) && !defined(MOZ_COMPOSITED_PLUGINS)
if (!mPluginWindow || (mPluginWindow->type == NPWindowTypeWindow))
return aMouseEvent->PreventDefault(); // consume event
// continue only for cases without child window
#endif
// if the plugin is windowless, we need to set focus ourselves
// otherwise, we might not get key events
if (mObjectFrame && mPluginWindow &&
mPluginWindow->type == NPWindowTypeDrawable) {
nsIFocusManager* fm = nsFocusManager::GetFocusManager();
if (fm) {
nsCOMPtr<nsIDOMElement> elem = do_QueryInterface(mContent);
fm->SetFocus(elem, 0);
}
}
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aMouseEvent));
if (privateEvent) {
nsMouseEvent* mouseEvent = (nsMouseEvent *) privateEvent->GetInternalNSEvent();
if (mouseEvent) {
nsEventStatus rv = ProcessEvent(*mouseEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
return aMouseEvent->PreventDefault(); // consume event
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseDown failed, mouseEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::MouseDown failed, privateEvent null");
return NS_OK;
}
nsresult
nsPluginInstanceOwner::MouseUp(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult
nsPluginInstanceOwner::MouseClick(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult
nsPluginInstanceOwner::MouseDblClick(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult
nsPluginInstanceOwner::MouseOver(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult
nsPluginInstanceOwner::MouseOut(nsIDOMEvent* aMouseEvent)
{
return DispatchMouseToPlugin(aMouseEvent);
}
nsresult nsPluginInstanceOwner::DispatchMouseToPlugin(nsIDOMEvent* aMouseEvent)
{
#if !defined(XP_MACOSX) && !defined(MOZ_COMPOSITED_PLUGINS)
if (!mPluginWindow || (mPluginWindow->type == NPWindowTypeWindow))
return aMouseEvent->PreventDefault(); // consume event
// continue only for cases without child window
#endif
// don't send mouse events if we are hidden
if (!mWidgetVisible)
return NS_OK;
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aMouseEvent));
if (privateEvent) {
nsMouseEvent* mouseEvent = (nsMouseEvent *) privateEvent->GetInternalNSEvent();
if (mouseEvent) {
nsEventStatus rv = ProcessEvent(*mouseEvent);
if (nsEventStatus_eConsumeNoDefault == rv) {
aMouseEvent->PreventDefault();
aMouseEvent->StopPropagation();
}
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchMouseToPlugin failed, mouseEvent null");
}
else NS_ASSERTION(PR_FALSE, "nsPluginInstanceOwner::DispatchMouseToPlugin failed, privateEvent null");
return NS_OK;
}
nsresult
nsPluginInstanceOwner::HandleEvent(nsIDOMEvent* aEvent)
{
if (mInstance) {
nsCOMPtr<nsIPrivateDOMEvent> privateEvent(do_QueryInterface(aEvent));
nsCOMPtr<nsIDOMDragEvent> dragEvent(do_QueryInterface(aEvent));
if (privateEvent && dragEvent) {
nsEvent* ievent = privateEvent->GetInternalNSEvent();
if (ievent && NS_IS_TRUSTED_EVENT(ievent) &&
(ievent->message == NS_DRAGDROP_ENTER || ievent->message == NS_DRAGDROP_OVER)) {
// set the allowed effect to none here. The plugin should set it if necessary
nsCOMPtr<nsIDOMDataTransfer> dataTransfer;
dragEvent->GetDataTransfer(getter_AddRefs(dataTransfer));
if (dataTransfer)
dataTransfer->SetEffectAllowed(NS_LITERAL_STRING("none"));
}
// Let the plugin handle drag events.
aEvent->PreventDefault();
aEvent->StopPropagation();
}
}
return NS_OK;
}
#ifdef MOZ_X11
static unsigned int XInputEventState(const nsInputEvent& anEvent)
{
unsigned int state = 0;
if (anEvent.isShift) state |= ShiftMask;
if (anEvent.isControl) state |= ControlMask;
if (anEvent.isAlt) state |= Mod1Mask;
if (anEvent.isMeta) state |= Mod4Mask;
return state;
}
#endif
#ifdef MOZ_COMPOSITED_PLUGINS
static void find_dest_id(XID top, XID *root, XID *dest, int target_x, int target_y)
{
XID target_id = top;
XID parent;
XID *children;
unsigned int nchildren;
while (1) {
loop:
//printf("searching %x\n", target_id);
if (!XQueryTree(GDK_DISPLAY(), target_id, root, &parent, &children, &nchildren) ||
!nchildren)
break;
for (unsigned int i=0; i<nchildren; i++) {
Window root;
int x, y;
unsigned int width, height;
unsigned int border_width, depth;
XGetGeometry(GDK_DISPLAY(), children[i], &root, &x, &y,
&width, &height, &border_width,
&depth);
//printf("target: %d %d\n", target_x, target_y);
//printf("geom: %dx%x @ %dx%d\n", width, height, x, y);
// XXX: we may need to be more careful here, i.e. if
// this condition matches more than one child
if (target_x >= x && target_y >= y &&
target_x <= x + int(width) &&
target_y <= y + int(height)) {
target_id = children[i];
// printf("found new target: %x\n", target_id);
XFree(children);
goto loop;
}
}
XFree(children);
/* no children contain the target */
break;
}
*dest = target_id;
}
#endif
#ifdef MOZ_COMPOSITED_PLUGINS
nsEventStatus nsPluginInstanceOwner::ProcessEventX11Composited(const nsGUIEvent& anEvent)
{
//printf("nsGUIEvent.message: %d\n", anEvent.message);
nsEventStatus rv = nsEventStatus_eIgnore;
if (!mInstance || !mObjectFrame) // if mInstance is null, we shouldn't be here
return rv;
// this code supports windowless plugins
nsIWidget* widget = anEvent.widget;
XEvent pluginEvent;
pluginEvent.type = 0;
switch(anEvent.eventStructType)
{
case NS_MOUSE_EVENT:
{
switch (anEvent.message)
{
case NS_MOUSE_CLICK:
case NS_MOUSE_DOUBLECLICK:
// Button up/down events sent instead.
return rv;
}
// Get reference point relative to plugin origin.
const nsPresContext* presContext = mObjectFrame->PresContext();
nsPoint appPoint =
nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mObjectFrame) -
mObjectFrame->GetUsedBorderAndPadding().TopLeft();
nsIntPoint pluginPoint(presContext->AppUnitsToDevPixels(appPoint.x),
presContext->AppUnitsToDevPixels(appPoint.y));
mLastPoint = pluginPoint;
const nsMouseEvent& mouseEvent =
static_cast<const nsMouseEvent&>(anEvent);
// Get reference point relative to screen:
nsIntPoint rootPoint(-1,-1);
if (widget)
rootPoint = anEvent.refPoint + widget->WidgetToScreenOffset();
#ifdef MOZ_WIDGET_GTK2
Window root = GDK_ROOT_WINDOW();
#else
Window root = None; // Could XQueryTree, but this is not important.
#endif
switch (anEvent.message)
{
case NS_MOUSE_ENTER_SYNTH:
case NS_MOUSE_EXIT_SYNTH:
{
XCrossingEvent& event = pluginEvent.xcrossing;
event.type = anEvent.message == NS_MOUSE_ENTER_SYNTH ?
EnterNotify : LeaveNotify;
event.root = root;
event.time = anEvent.time;
event.x = pluginPoint.x;
event.y = pluginPoint.y;
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = XInputEventState(mouseEvent);
// information lost
event.subwindow = None;
event.mode = -1;
event.detail = NotifyDetailNone;
event.same_screen = True;
event.focus = mContentFocused;
}
break;
case NS_MOUSE_MOVE:
{
XMotionEvent& event = pluginEvent.xmotion;
event.type = MotionNotify;
event.root = root;
event.time = anEvent.time;
event.x = pluginPoint.x;
event.y = pluginPoint.y;
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = XInputEventState(mouseEvent);
// information lost
event.subwindow = None;
event.is_hint = NotifyNormal;
event.same_screen = True;
XEvent be;
be.xmotion = pluginEvent.xmotion;
//printf("xmotion: %d %d\n", be.xmotion.x, be.xmotion.y);
XID w = (XID)mPluginWindow->window;
be.xmotion.window = w;
XSendEvent (be.xmotion.display, w,
FALSE, ButtonMotionMask, &be);
}
break;
case NS_MOUSE_BUTTON_DOWN:
case NS_MOUSE_BUTTON_UP:
{
XButtonEvent& event = pluginEvent.xbutton;
event.type = anEvent.message == NS_MOUSE_BUTTON_DOWN ?
ButtonPress : ButtonRelease;
event.root = root;
event.time = anEvent.time;
event.x = pluginPoint.x;
event.y = pluginPoint.y;
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = XInputEventState(mouseEvent);
switch (mouseEvent.button)
{
case nsMouseEvent::eMiddleButton:
event.button = 2;
break;
case nsMouseEvent::eRightButton:
event.button = 3;
break;
default: // nsMouseEvent::eLeftButton;
event.button = 1;
break;
}
// information lost:
event.subwindow = None;
event.same_screen = True;
XEvent be;
be.xbutton = event;
XID target;
XID root;
int wx, wy;
unsigned int width, height, border_width, depth;
//printf("xbutton: %d %d %d\n", anEvent.message, be.xbutton.x, be.xbutton.y);
XID w = (XID)mPluginWindow->window;
XGetGeometry(GDK_DISPLAY(), w, &root, &wx, &wy, &width, &height, &border_width, &depth);
find_dest_id(w, &root, &target, pluginPoint.x + wx, pluginPoint.y + wy);
be.xbutton.window = target;
XSendEvent (GDK_DISPLAY(), target,
FALSE, event.type == ButtonPress ? ButtonPressMask : ButtonReleaseMask, &be);
}
break;
}
}
break;
//XXX case NS_MOUSE_SCROLL_EVENT: not received.
case NS_KEY_EVENT:
if (anEvent.pluginEvent)
{
XKeyEvent &event = pluginEvent.xkey;
#ifdef MOZ_WIDGET_GTK2
event.root = GDK_ROOT_WINDOW();
event.time = anEvent.time;
const GdkEventKey* gdkEvent =
static_cast<const GdkEventKey*>(anEvent.pluginEvent);
event.keycode = gdkEvent->hardware_keycode;
event.state = gdkEvent->state;
switch (anEvent.message)
{
case NS_KEY_DOWN:
// Handle NS_KEY_DOWN for modifier key presses
// For non-modifiers we get NS_KEY_PRESS
if (gdkEvent->is_modifier)
event.type = XKeyPress;
break;
case NS_KEY_PRESS:
event.type = XKeyPress;
break;
case NS_KEY_UP:
event.type = KeyRelease;
break;
}
#endif
// Information that could be obtained from pluginEvent but we may not
// want to promise to provide:
event.subwindow = None;
event.x = 0;
event.y = 0;
event.x_root = -1;
event.y_root = -1;
event.same_screen = False;
XEvent be;
be.xkey = event;
XID target;
XID root;
int wx, wy;
unsigned int width, height, border_width, depth;
//printf("xkey: %d %d %d\n", anEvent.message, be.xkey.keycode, be.xkey.state);
XID w = (XID)mPluginWindow->window;
XGetGeometry(GDK_DISPLAY(), w, &root, &wx, &wy, &width, &height, &border_width, &depth);
find_dest_id(w, &root, &target, mLastPoint.x + wx, mLastPoint.y + wy);
be.xkey.window = target;
XSendEvent (GDK_DISPLAY(), target,
FALSE, event.type == XKeyPress ? KeyPressMask : KeyReleaseMask, &be);
}
else
{
// If we need to send synthesized key events, then
// DOMKeyCodeToGdkKeyCode(keyEvent.keyCode) and
// gdk_keymap_get_entries_for_keyval will be useful, but the
// mappings will not be unique.
NS_WARNING("Synthesized key event not sent to plugin");
}
break;
default:
switch (anEvent.message)
{
case NS_FOCUS_CONTENT:
case NS_BLUR_CONTENT:
{
XFocusChangeEvent &event = pluginEvent.xfocus;
event.type =
anEvent.message == NS_FOCUS_CONTENT ? FocusIn : FocusOut;
// information lost:
event.mode = -1;
event.detail = NotifyDetailNone;
}
break;
}
}
if (!pluginEvent.type) {
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG,
("Unhandled event message %d with struct type %d\n",
anEvent.message, anEvent.eventStructType));
return rv;
}
// Fill in (useless) generic event information.
XAnyEvent& event = pluginEvent.xany;
event.display = widget ?
static_cast<Display*>(widget->GetNativeData(NS_NATIVE_DISPLAY)) : nsnull;
event.window = None; // not a real window
// information lost:
event.serial = 0;
event.send_event = False;
#if 0
/* we've sent the event via XSendEvent so don't send it directly to the plugin */
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
if (eventHandled)
rv = nsEventStatus_eConsumeNoDefault;
#endif
return rv;
}
#endif
nsEventStatus nsPluginInstanceOwner::ProcessEvent(const nsGUIEvent& anEvent)
{
// printf("nsGUIEvent.message: %d\n", anEvent.message);
#ifdef MOZ_COMPOSITED_PLUGINS
if (mPluginWindow && (mPluginWindow->type != NPWindowTypeDrawable))
return ProcessEventX11Composited(anEvent);
#endif
nsEventStatus rv = nsEventStatus_eIgnore;
if (!mInstance || !mObjectFrame) // if mInstance is null, we shouldn't be here
return nsEventStatus_eIgnore;
#ifdef XP_MACOSX
if (mWidget) {
// we never care about synthesized mouse enter
if (anEvent.message == NS_MOUSE_ENTER_SYNTH)
return nsEventStatus_eIgnore;
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
NPEventModel eventModel = GetEventModel();
// If we have to synthesize an event we'll use one of these.
#ifndef NP_NO_CARBON
EventRecord synthCarbonEvent;
#endif
NPCocoaEvent synthCocoaEvent;
void* event = anEvent.pluginEvent;
if (!event) {
nsPoint pt = nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mObjectFrame)
- mObjectFrame->GetUsedBorderAndPadding().TopLeft();
nsPresContext* presContext = mObjectFrame->PresContext();
nsIntPoint ptPx(presContext->AppUnitsToDevPixels(pt.x),
presContext->AppUnitsToDevPixels(pt.y));
#ifndef NP_NO_CARBON
if (eventModel == NPEventModelCarbon) {
nsIntPoint geckoScreenCoords = mWidget->WidgetToScreenOffset();
Point carbonPt = { ptPx.y + geckoScreenCoords.y, ptPx.x + geckoScreenCoords.x };
event = &synthCarbonEvent;
InitializeEventRecord(&synthCarbonEvent, &carbonPt);
} else
#endif
{
event = &synthCocoaEvent;
InitializeNPCocoaEvent(&synthCocoaEvent);
}
switch (anEvent.message) {
case NS_FOCUS_CONTENT:
case NS_BLUR_CONTENT:
#ifndef NP_NO_CARBON
if (eventModel == NPEventModelCarbon) {
synthCarbonEvent.what = (anEvent.message == NS_FOCUS_CONTENT) ?
NPEventType_GetFocusEvent : NPEventType_LoseFocusEvent;
} else
#endif
{
synthCocoaEvent.type = NPCocoaEventFocusChanged;
synthCocoaEvent.data.focus.hasFocus = (anEvent.message == NS_FOCUS_CONTENT);
}
break;
case NS_MOUSE_MOVE:
{
// Ignore mouse-moved events that happen as part of a dragging
// operation that started over another frame. See bug 525078.
nsCOMPtr<nsFrameSelection> frameselection = mObjectFrame->GetFrameSelection();
if (frameselection->GetMouseDownState() &&
(nsIPresShell::GetCapturingContent() != mObjectFrame->GetContent())) {
pluginWidget->EndDrawPlugin();
return nsEventStatus_eIgnore;
}
}
#ifndef NP_NO_CARBON
if (eventModel == NPEventModelCarbon) {
synthCarbonEvent.what = osEvt;
} else
#endif
{
synthCocoaEvent.type = NPCocoaEventMouseMoved;
synthCocoaEvent.data.mouse.pluginX = static_cast<double>(ptPx.x);
synthCocoaEvent.data.mouse.pluginY = static_cast<double>(ptPx.y);
}
break;
case NS_MOUSE_BUTTON_DOWN:
#ifndef NP_NO_CARBON
if (eventModel == NPEventModelCarbon) {
synthCarbonEvent.what = mouseDown;
} else
#endif
{
synthCocoaEvent.type = NPCocoaEventMouseDown;
synthCocoaEvent.data.mouse.pluginX = static_cast<double>(ptPx.x);
synthCocoaEvent.data.mouse.pluginY = static_cast<double>(ptPx.y);
}
break;
case NS_MOUSE_BUTTON_UP:
// If we're in a dragging operation that started over another frame,
// either ignore the mouse-up event (in the Carbon Event Model) or
// convert it into a mouse-entered event (in the Cocoa Event Model).
// See bug 525078.
if ((static_cast<const nsMouseEvent&>(anEvent).button == nsMouseEvent::eLeftButton) &&
(nsIPresShell::GetCapturingContent() != mObjectFrame->GetContent())) {
#ifndef NP_NO_CARBON
if (eventModel == NPEventModelCarbon) {
pluginWidget->EndDrawPlugin();
return nsEventStatus_eIgnore;
} else
#endif
{
synthCocoaEvent.type = NPCocoaEventMouseEntered;
synthCocoaEvent.data.mouse.pluginX = static_cast<double>(ptPx.x);
synthCocoaEvent.data.mouse.pluginY = static_cast<double>(ptPx.y);
}
} else {
#ifndef NP_NO_CARBON
if (eventModel == NPEventModelCarbon) {
synthCarbonEvent.what = mouseUp;
} else
#endif
{
synthCocoaEvent.type = NPCocoaEventMouseUp;
synthCocoaEvent.data.mouse.pluginX = static_cast<double>(ptPx.x);
synthCocoaEvent.data.mouse.pluginY = static_cast<double>(ptPx.y);
}
}
break;
default:
pluginWidget->EndDrawPlugin();
return nsEventStatus_eIgnore;
}
}
#ifndef NP_NO_CARBON
// Work around an issue in the Flash plugin, which can cache a pointer
// to a doomed TSM document (one that belongs to a NSTSMInputContext)
// and try to activate it after it has been deleted. See bug 183313.
if (eventModel == NPEventModelCarbon && anEvent.message == NS_FOCUS_CONTENT)
::DeactivateTSMDocument(::TSMGetActiveDocument());
#endif
PRBool eventHandled = PR_FALSE;
void* window = FixUpPluginWindow(ePluginPaintEnable);
if (window || (eventModel == NPEventModelCocoa)) {
mInstance->HandleEvent(event, &eventHandled);
}
if (eventHandled &&
!(anEvent.eventStructType == NS_MOUSE_EVENT &&
anEvent.message == NS_MOUSE_BUTTON_DOWN &&
static_cast<const nsMouseEvent&>(anEvent).button == nsMouseEvent::eLeftButton &&
!mContentFocused))
rv = nsEventStatus_eConsumeNoDefault;
pluginWidget->EndDrawPlugin();
}
}
#endif
#ifdef XP_WIN
// this code supports windowless plugins
NPEvent *pPluginEvent = (NPEvent*)anEvent.pluginEvent;
// we can get synthetic events from the nsEventStateManager... these
// have no pluginEvent
NPEvent pluginEvent;
if (anEvent.eventStructType == NS_MOUSE_EVENT) {
if (!pPluginEvent) {
// XXX Should extend this list to synthesize events for more event
// types
pluginEvent.event = 0;
const nsMouseEvent* mouseEvent = static_cast<const nsMouseEvent*>(&anEvent);
switch (anEvent.message) {
case NS_MOUSE_MOVE:
pluginEvent.event = WM_MOUSEMOVE;
break;
case NS_MOUSE_BUTTON_DOWN: {
static const int downMsgs[] =
{ WM_LBUTTONDOWN, WM_MBUTTONDOWN, WM_RBUTTONDOWN };
static const int dblClickMsgs[] =
{ WM_LBUTTONDBLCLK, WM_MBUTTONDBLCLK, WM_RBUTTONDBLCLK };
if (mouseEvent->clickCount == 2) {
pluginEvent.event = dblClickMsgs[mouseEvent->button];
} else {
pluginEvent.event = downMsgs[mouseEvent->button];
}
break;
}
case NS_MOUSE_BUTTON_UP: {
static const int upMsgs[] =
{ WM_LBUTTONUP, WM_MBUTTONUP, WM_RBUTTONUP };
pluginEvent.event = upMsgs[mouseEvent->button];
break;
}
// don't synthesize anything for NS_MOUSE_DOUBLECLICK, since that
// is a synthetic event generated on mouse-up, and Windows WM_*DBLCLK
// messages are sent on mouse-down
default:
break;
}
if (pluginEvent.event) {
pPluginEvent = &pluginEvent;
pluginEvent.wParam =
(::GetKeyState(VK_CONTROL) ? MK_CONTROL : 0) |
(::GetKeyState(VK_SHIFT) ? MK_SHIFT : 0) |
(::GetKeyState(VK_LBUTTON) ? MK_LBUTTON : 0) |
(::GetKeyState(VK_MBUTTON) ? MK_MBUTTON : 0) |
(::GetKeyState(VK_RBUTTON) ? MK_RBUTTON : 0) |
(::GetKeyState(VK_XBUTTON1) ? MK_XBUTTON1 : 0) |
(::GetKeyState(VK_XBUTTON2) ? MK_XBUTTON2 : 0);
}
}
if (pPluginEvent) {
// Make event coordinates relative to our enclosing widget,
// not the widget they were received on.
// See use of NPEvent in widget/src/windows/nsWindow.cpp
// for why this assert should be safe
NS_ASSERTION(anEvent.message == NS_MOUSE_BUTTON_DOWN ||
anEvent.message == NS_MOUSE_BUTTON_UP ||
anEvent.message == NS_MOUSE_DOUBLECLICK ||
anEvent.message == NS_MOUSE_ENTER_SYNTH ||
anEvent.message == NS_MOUSE_EXIT_SYNTH ||
anEvent.message == NS_MOUSE_MOVE,
"Incorrect event type for coordinate translation");
nsPoint pt =
nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mObjectFrame) -
mObjectFrame->GetUsedBorderAndPadding().TopLeft();
nsPresContext* presContext = mObjectFrame->PresContext();
nsIntPoint ptPx(presContext->AppUnitsToDevPixels(pt.x),
presContext->AppUnitsToDevPixels(pt.y));
nsIntPoint widgetPtPx = ptPx + mObjectFrame->GetWindowOriginInPixels(PR_TRUE);
pPluginEvent->lParam = MAKELPARAM(widgetPtPx.x, widgetPtPx.y);
}
}
else if (!pPluginEvent) {
switch (anEvent.message) {
case NS_FOCUS_CONTENT:
pluginEvent.event = WM_SETFOCUS;
pluginEvent.wParam = 0;
pluginEvent.lParam = 0;
pPluginEvent = &pluginEvent;
break;
case NS_BLUR_CONTENT:
pluginEvent.event = WM_KILLFOCUS;
pluginEvent.wParam = 0;
pluginEvent.lParam = 0;
pPluginEvent = &pluginEvent;
break;
}
}
if (pPluginEvent && !pPluginEvent->event) {
// Don't send null events to plugins.
NS_WARNING("nsObjectFrame ProcessEvent: trying to send null event to plugin.");
return rv;
}
if (pPluginEvent) {
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(pPluginEvent, &eventHandled);
if (eventHandled)
rv = nsEventStatus_eConsumeNoDefault;
}
#endif
#ifdef MOZ_X11
// this code supports windowless plugins
nsIWidget* widget = anEvent.widget;
XEvent pluginEvent;
pluginEvent.type = 0;
switch(anEvent.eventStructType)
{
case NS_MOUSE_EVENT:
{
switch (anEvent.message)
{
case NS_MOUSE_CLICK:
case NS_MOUSE_DOUBLECLICK:
// Button up/down events sent instead.
return rv;
}
// Get reference point relative to plugin origin.
const nsPresContext* presContext = mObjectFrame->PresContext();
nsPoint appPoint =
nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mObjectFrame) -
mObjectFrame->GetUsedBorderAndPadding().TopLeft();
nsIntPoint pluginPoint(presContext->AppUnitsToDevPixels(appPoint.x),
presContext->AppUnitsToDevPixels(appPoint.y));
const nsMouseEvent& mouseEvent =
static_cast<const nsMouseEvent&>(anEvent);
// Get reference point relative to screen:
nsIntPoint rootPoint(-1,-1);
if (widget)
rootPoint = anEvent.refPoint + widget->WidgetToScreenOffset();
#ifdef MOZ_WIDGET_GTK2
Window root = GDK_ROOT_WINDOW();
#else
Window root = None; // Could XQueryTree, but this is not important.
#endif
switch (anEvent.message)
{
case NS_MOUSE_ENTER_SYNTH:
case NS_MOUSE_EXIT_SYNTH:
{
XCrossingEvent& event = pluginEvent.xcrossing;
event.type = anEvent.message == NS_MOUSE_ENTER_SYNTH ?
EnterNotify : LeaveNotify;
event.root = root;
event.time = anEvent.time;
event.x = pluginPoint.x;
event.y = pluginPoint.y;
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = XInputEventState(mouseEvent);
// information lost
event.subwindow = None;
event.mode = -1;
event.detail = NotifyDetailNone;
event.same_screen = True;
event.focus = mContentFocused;
}
break;
case NS_MOUSE_MOVE:
{
XMotionEvent& event = pluginEvent.xmotion;
event.type = MotionNotify;
event.root = root;
event.time = anEvent.time;
event.x = pluginPoint.x;
event.y = pluginPoint.y;
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = XInputEventState(mouseEvent);
// information lost
event.subwindow = None;
event.is_hint = NotifyNormal;
event.same_screen = True;
}
break;
case NS_MOUSE_BUTTON_DOWN:
case NS_MOUSE_BUTTON_UP:
{
XButtonEvent& event = pluginEvent.xbutton;
event.type = anEvent.message == NS_MOUSE_BUTTON_DOWN ?
ButtonPress : ButtonRelease;
event.root = root;
event.time = anEvent.time;
event.x = pluginPoint.x;
event.y = pluginPoint.y;
event.x_root = rootPoint.x;
event.y_root = rootPoint.y;
event.state = XInputEventState(mouseEvent);
switch (mouseEvent.button)
{
case nsMouseEvent::eMiddleButton:
event.button = 2;
break;
case nsMouseEvent::eRightButton:
event.button = 3;
break;
default: // nsMouseEvent::eLeftButton;
event.button = 1;
break;
}
// information lost:
event.subwindow = None;
event.same_screen = True;
}
break;
}
}
break;
//XXX case NS_MOUSE_SCROLL_EVENT: not received.
case NS_KEY_EVENT:
if (anEvent.pluginEvent)
{
XKeyEvent &event = pluginEvent.xkey;
#ifdef MOZ_WIDGET_GTK2
event.root = GDK_ROOT_WINDOW();
event.time = anEvent.time;
const GdkEventKey* gdkEvent =
static_cast<const GdkEventKey*>(anEvent.pluginEvent);
event.keycode = gdkEvent->hardware_keycode;
event.state = gdkEvent->state;
switch (anEvent.message)
{
case NS_KEY_DOWN:
// Handle NS_KEY_DOWN for modifier key presses
// For non-modifiers we get NS_KEY_PRESS
if (gdkEvent->is_modifier)
event.type = XKeyPress;
break;
case NS_KEY_PRESS:
event.type = XKeyPress;
break;
case NS_KEY_UP:
event.type = KeyRelease;
break;
}
#endif
// Information that could be obtained from pluginEvent but we may not
// want to promise to provide:
event.subwindow = None;
event.x = 0;
event.y = 0;
event.x_root = -1;
event.y_root = -1;
event.same_screen = False;
}
else
{
// If we need to send synthesized key events, then
// DOMKeyCodeToGdkKeyCode(keyEvent.keyCode) and
// gdk_keymap_get_entries_for_keyval will be useful, but the
// mappings will not be unique.
NS_WARNING("Synthesized key event not sent to plugin");
}
break;
default:
switch (anEvent.message)
{
case NS_FOCUS_CONTENT:
case NS_BLUR_CONTENT:
{
XFocusChangeEvent &event = pluginEvent.xfocus;
event.type =
anEvent.message == NS_FOCUS_CONTENT ? FocusIn : FocusOut;
// information lost:
event.mode = -1;
event.detail = NotifyDetailNone;
}
break;
}
}
if (!pluginEvent.type) {
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG,
("Unhandled event message %d with struct type %d\n",
anEvent.message, anEvent.eventStructType));
return rv;
}
// Fill in (useless) generic event information.
XAnyEvent& event = pluginEvent.xany;
event.display = widget ?
static_cast<Display*>(widget->GetNativeData(NS_NATIVE_DISPLAY)) : nsnull;
event.window = None; // not a real window
// information lost:
event.serial = 0;
event.send_event = False;
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
if (eventHandled)
rv = nsEventStatus_eConsumeNoDefault;
#endif
return rv;
}
nsresult
nsPluginInstanceOwner::Destroy()
{
#ifdef MAC_CARBON_PLUGINS
// stop the timer explicitly to reduce reference count.
CancelTimer();
#endif
// unregister context menu listener
if (mCXMenuListener) {
mCXMenuListener->Destroy(mContent);
mCXMenuListener = nsnull;
}
nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(mContent));
if (target) {
nsCOMPtr<nsIDOMEventListener> listener;
QueryInterface(NS_GET_IID(nsIDOMEventListener), getter_AddRefs(listener));
// Unregister focus event listener
mContent->RemoveEventListenerByIID(listener, NS_GET_IID(nsIDOMFocusListener));
// Unregister mouse event listener
mContent->RemoveEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseListener));
// now for the mouse motion listener
mContent->RemoveEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseMotionListener));
// Unregister key event listener;
target->RemoveEventListener(NS_LITERAL_STRING("keypress"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("keydown"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("keyup"), listener, PR_TRUE);
// Unregister drag event listener;
target->RemoveEventListener(NS_LITERAL_STRING("drop"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("dragdrop"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("drag"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("dragenter"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("dragover"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("dragexit"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("dragleave"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("dragstart"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("draggesture"), listener, PR_TRUE);
target->RemoveEventListener(NS_LITERAL_STRING("dragend"), listener, PR_TRUE);
}
if (mWidget) {
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget)
pluginWidget->SetPluginInstanceOwner(nsnull);
if (mDestroyWidget)
mWidget->Destroy();
}
return NS_OK;
}
/*
* Prepare to stop
*/
void
nsPluginInstanceOwner::PrepareToStop(PRBool aDelayedStop)
{
#if defined(XP_WIN) || defined(MOZ_X11)
if (aDelayedStop && mWidget) {
// To delay stopping a plugin we need to reparent the plugin
// so that we can safely tear down the
// plugin after its frame (and view) is gone.
// Also hide and disable the widget to avoid it from appearing in
// odd places after reparenting it, but before it gets destroyed.
mWidget->Show(PR_FALSE);
mWidget->Enable(PR_FALSE);
// Reparent the plugins native window. This relies on the widget
// and plugin et al not holding any other references to its
// parent.
mWidget->SetParent(nsnull);
mDestroyWidget = PR_TRUE;
}
#endif
// Unregister scroll position listeners
for (nsIFrame* f = mObjectFrame; f; f = nsLayoutUtils::GetCrossDocParentFrame(f)) {
nsIScrollableFrame* sf = do_QueryFrame(f);
if (sf) {
sf->RemoveScrollPositionListener(this);
}
}
}
// Paints are handled differently, so we just simulate an update event.
#ifdef XP_MACOSX
void nsPluginInstanceOwner::Paint(const gfxRect& aDirtyRect, CGContextRef cgContext)
{
if (!mInstance || !mObjectFrame)
return;
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
#ifndef NP_NO_CARBON
void* window = FixUpPluginWindow(ePluginPaintEnable);
if (GetEventModel() == NPEventModelCarbon && window) {
EventRecord updateEvent;
InitializeEventRecord(&updateEvent, nsnull);
updateEvent.what = updateEvt;
updateEvent.message = UInt32(window);
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&updateEvent, &eventHandled);
} else if (GetEventModel() == NPEventModelCocoa)
#endif
{
// The context given here is only valid during the HandleEvent call.
NPCocoaEvent updateEvent;
InitializeNPCocoaEvent(&updateEvent);
updateEvent.type = NPCocoaEventDrawRect;
updateEvent.data.draw.context = cgContext;
updateEvent.data.draw.x = aDirtyRect.X();
updateEvent.data.draw.y = aDirtyRect.Y();
updateEvent.data.draw.width = aDirtyRect.Width();
updateEvent.data.draw.height = aDirtyRect.Height();
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&updateEvent, &eventHandled);
}
pluginWidget->EndDrawPlugin();
}
}
#endif
#ifdef XP_WIN
void nsPluginInstanceOwner::Paint(const RECT& aDirty, HDC aDC)
{
if (!mInstance || !mObjectFrame)
return;
NPEvent pluginEvent;
pluginEvent.event = WM_PAINT;
pluginEvent.wParam = WPARAM(aDC);
pluginEvent.lParam = LPARAM(&aDirty);
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
#endif
#ifdef XP_OS2
void nsPluginInstanceOwner::Paint(const nsRect& aDirtyRect, HPS aHPS)
{
if (!mInstance || !mObjectFrame)
return;
NPWindow *window;
GetWindow(window);
nsIntRect relDirtyRect = aDirtyRect.ToOutsidePixels(mObjectFrame->PresContext()->AppUnitsPerDevPixel());
// we got dirty rectangle in relative window coordinates, but we
// need it in absolute units and in the (left, top, right, bottom) form
RECTL rectl;
rectl.xLeft = relDirtyRect.x + window->x;
rectl.yBottom = relDirtyRect.y + window->y;
rectl.xRight = rectl.xLeft + relDirtyRect.width;
rectl.yTop = rectl.yBottom + relDirtyRect.height;
NPEvent pluginEvent;
pluginEvent.event = WM_PAINT;
pluginEvent.wParam = (uint32)aHPS;
pluginEvent.lParam = (uint32)&rectl;
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
}
#endif
#if defined(MOZ_X11) || defined(MOZ_DFB)
void nsPluginInstanceOwner::Paint(gfxContext* aContext,
const gfxRect& aFrameRect,
const gfxRect& aDirtyRect)
{
if (!mInstance || !mObjectFrame)
return;
#ifdef MOZ_USE_IMAGE_EXPOSE
// through to be able to paint the context passed in. This allows
// us to handle plugins that do not self invalidate (slowly, but
// accurately), and it allows us to reduce flicker.
PRBool simpleImageRender = PR_FALSE;
mInstance->GetValueFromPlugin(NPPVpluginWindowlessLocalBool,
&simpleImageRender);
if (simpleImageRender) {
gfxMatrix matrix = aContext->CurrentMatrix();
if (!matrix.HasNonAxisAlignedTransform())
NativeImageDraw();
return;
}
#endif
// to provide crisper and faster drawing.
gfxRect pluginRect = aFrameRect;
if (aContext->UserToDevicePixelSnapped(pluginRect)) {
pluginRect = aContext->DeviceToUser(pluginRect);
}
// Round out the dirty rect to plugin pixels to ensure the plugin draws
// enough pixels for interpolation to device pixels.
gfxRect dirtyRect = aDirtyRect + -pluginRect.pos;
dirtyRect.RoundOut();
// Plugins can only draw an integer number of pixels.
//
// With translation-only transformation matrices, pluginRect is already
// pixel-aligned.
//
// With more complex transformations, modifying the scales in the
// transformation matrix could retain subpixel accuracy and let the plugin
// draw a suitable number of pixels for interpolation to device pixels in
// Renderer::Draw, but such cases are not common enough to warrant the
// effort now.
nsIntSize pluginSize(NS_lround(pluginRect.size.width),
NS_lround(pluginRect.size.height));
// Determine what the plugin needs to draw.
nsIntRect pluginDirtyRect(PRInt32(dirtyRect.pos.x),
PRInt32(dirtyRect.pos.y),
PRInt32(dirtyRect.size.width),
PRInt32(dirtyRect.size.height));
if (!pluginDirtyRect.
IntersectRect(nsIntRect(0, 0, pluginSize.width, pluginSize.height),
pluginDirtyRect))
return;
NPWindow* window;
GetWindow(window);
PRUint32 rendererFlags =
Renderer::DRAW_SUPPORTS_OFFSET |
Renderer::DRAW_SUPPORTS_CLIP_RECT |
Renderer::DRAW_SUPPORTS_NONDEFAULT_VISUAL |
Renderer::DRAW_SUPPORTS_ALTERNATE_SCREEN;
PRBool transparent;
mInstance->IsTransparent(&transparent);
if (!transparent)
rendererFlags |= Renderer::DRAW_IS_OPAQUE;
// Renderer::Draw() draws a rectangle with top-left at the aContext origin.
gfxContextAutoSaveRestore autoSR(aContext);
aContext->Translate(pluginRect.pos);
Renderer renderer(window, mInstance, pluginSize, pluginDirtyRect);
renderer.Draw(aContext, window->width, window->height,
rendererFlags, nsnull);
}
#ifdef MOZ_X11
static int
DepthOfVisual(const Screen* screen, const Visual* visual)
{
for (int d = 0; d < screen->ndepths; d++) {
Depth *d_info = &screen->depths[d];
for (int v = 0; v < d_info->nvisuals; v++) {
if (&d_info->visuals[v] == visual)
return d_info->depth;
}
}
NS_ERROR("Visual not on Screen.");
return 0;
}
#endif
#ifdef MOZ_USE_IMAGE_EXPOSE
static GdkWindow* GetClosestWindow(nsIDOMElement *element)
{
nsCOMPtr<nsIContent> content = do_QueryInterface(element);
nsIFrame* frame = content->GetPrimaryFrame();
if (!frame)
return nsnull;
nsIWidget* win = frame->GetWindow();
if (!win)
return nsnull;
GdkWindow* w = static_cast<GdkWindow*>(win->GetNativeData(NS_NATIVE_WINDOW));
return w;
}
void
nsPluginInstanceOwner::ReleaseXShm()
{
if (mXlibSurfGC) {
XFreeGC(gdk_x11_get_default_xdisplay(), mXlibSurfGC);
mXlibSurfGC = None;
}
if (mSharedSegmentInfo.shmaddr) {
XShmDetach(gdk_x11_get_default_xdisplay(), &mSharedSegmentInfo);
shmdt(mSharedSegmentInfo.shmaddr);
mSharedSegmentInfo.shmaddr = nsnull;
}
if (mSharedXImage) {
XDestroyImage(mSharedXImage);
mSharedXImage = nsnull;
}
}
PRBool
nsPluginInstanceOwner::SetupXShm()
{
if (!mBlitWindow)
return PR_FALSE;
ReleaseXShm();
mXlibSurfGC = XCreateGC(gdk_x11_get_default_xdisplay(),
mBlitWindow,
0,
0);
if (!mXlibSurfGC)
return PR_FALSE;
// we use 16 as the default depth because that is the value of the
// screen, but not the default X default depth.
XVisualInfo vinfo;
int foundVisual = XMatchVisualInfo(gdk_x11_get_default_xdisplay(),
gdk_x11_get_default_screen(),
16,
TrueColor,
&vinfo);
if (!foundVisual)
return PR_FALSE;
memset(&mSharedSegmentInfo, 0, sizeof(XShmSegmentInfo));
mSharedXImage = XShmCreateImage(gdk_x11_get_default_xdisplay(),
vinfo.visual,
16,
ZPixmap,
0,
&mSharedSegmentInfo,
mPluginSize.width,
mPluginSize.height);
if (!mSharedXImage)
return PR_FALSE;
NS_ASSERTION(mSharedXImage->height, "do not call shmget with zero");
mSharedSegmentInfo.shmid = shmget(IPC_PRIVATE,
mSharedXImage->bytes_per_line * mSharedXImage->height,
IPC_CREAT | 0777);
if (mSharedSegmentInfo.shmid == -1) {
XDestroyImage(mSharedXImage);
mSharedXImage = nsnull;
return PR_FALSE;
}
mSharedXImage->data = static_cast<char*>(shmat(mSharedSegmentInfo.shmid, 0, 0));
if (mSharedXImage->data == (char*) -1) {
shmctl(mSharedSegmentInfo.shmid, IPC_RMID, 0);
XDestroyImage(mSharedXImage);
mSharedXImage = nsnull;
return PR_FALSE;
}
mSharedSegmentInfo.shmaddr = mSharedXImage->data;
mSharedSegmentInfo.readOnly = False;
Status s = XShmAttach(gdk_x11_get_default_xdisplay(), &mSharedSegmentInfo);
XSync(gdk_x11_get_default_xdisplay(), False);
shmctl(mSharedSegmentInfo.shmid, IPC_RMID, 0);
if (!s) {
// attach failed, call shmdt and null shmaddr before calling
// ReleaseXShm().
shmdt(mSharedSegmentInfo.shmaddr);
mSharedSegmentInfo.shmaddr = nsnull;
ReleaseXShm();
return PR_FALSE;
}
return PR_TRUE;
}
// NativeImageDraw
//
// This method supports the NPImageExpose API which is specific to the
// HILDON platform. Basically what it allows us to do is to pass a
// memory buffer into a plugin (namely flash), and have flash draw
// directly into the buffer.
//
// It may be faster if the rest of the system used offscreen image
// surfaces, but right now offscreen surfaces are using X
// surfaces. And because of this, we need to create a new image
// surface and copy that to the passed gfx context.
//
// This is not ideal and it should not be faster than what a
// windowless plugin can do. However, in A/B testing of flash on the
// N900, this approach is considerably faster.
//
// Hopefully this API can die off in favor of a more robust plugin API.
void
nsPluginInstanceOwner::NativeImageDraw(NPRect* invalidRect)
{
// if we haven't been positioned yet, ignore
if (!mBlitWindow)
return;
// if the clip rect is zero, we have nothing to do.
if (NSToIntCeil(mAbsolutePositionClip.Width()) == 0 ||
NSToIntCeil(mAbsolutePositionClip.Height()) == 0)
return;
// The flash plugin on Maemo n900 requires the width/height to be
// even.
PRInt32 absPosWidth = NSToIntCeil(mAbsolutePosition.Width()) / 2 * 2;
PRInt32 absPosHeight = NSToIntCeil(mAbsolutePosition.Height()) / 2 * 2;
// if the plugin is hidden, nothing to draw.
if (absPosHeight == 0 || absPosWidth == 0)
return;
// Making X or DOM method calls can cause our frame to go
// away, which might kill us...
nsCOMPtr<nsIPluginInstanceOwner> kungFuDeathGrip(this);
PRBool sizeChanged = (mPluginSize.width != absPosWidth ||
mPluginSize.height != absPosHeight);
if (!mSharedXImage || sizeChanged) {
mPluginSize = nsIntSize(absPosWidth, absPosHeight);
if (NS_FAILED(SetupXShm()))
return;
}
NPWindow* window;
GetWindow(window);
NS_ASSERTION(window, "Window can not be null");
// setup window such that it knows about the size and clip. This
// is to work around a flash clipping bug when using the Image
// Expose API.
if (!invalidRect && sizeChanged) {
NPRect newClipRect;
newClipRect.left = 0;
newClipRect.top = 0;
newClipRect.right = window->width;
newClipRect.bottom = window->height;
window->clipRect = newClipRect;
window->x = 0;
window->y = 0;
NPSetWindowCallbackStruct* ws_info =
static_cast<NPSetWindowCallbackStruct*>(window->ws_info);
ws_info->visual = 0;
ws_info->colormap = 0;
ws_info->depth = 16;
mInstance->SetWindow(window);
}
NPEvent pluginEvent;
NPImageExpose imageExpose;
XGraphicsExposeEvent& exposeEvent = pluginEvent.xgraphicsexpose;
// set the drawing info
exposeEvent.type = GraphicsExpose;
exposeEvent.display = 0;
// Store imageExpose structure pointer as drawable member
exposeEvent.drawable = (Drawable)&imageExpose;
exposeEvent.count = 0;
exposeEvent.serial = 0;
exposeEvent.send_event = False;
exposeEvent.major_code = 0;
exposeEvent.minor_code = 0;
exposeEvent.x = 0;
exposeEvent.y = 0;
exposeEvent.width = window->width;
exposeEvent.height = window->height;
imageExpose.x = 0;
imageExpose.y = 0;
imageExpose.width = window->width;
imageExpose.height = window->height;
imageExpose.depth = 16;
imageExpose.translateX = 0;
imageExpose.translateY = 0;
if (window->width == 0)
return;
float scale = mAbsolutePosition.Width() / (float) window->width;
imageExpose.scaleX = scale;
imageExpose.scaleY = scale;
imageExpose.stride = mPluginSize.width * 2;
imageExpose.data = mSharedXImage->data;
imageExpose.dataSize.width = mPluginSize.width;
imageExpose.dataSize.height = mPluginSize.height;
if (invalidRect)
memset(mSharedXImage->data, 0, mPluginSize.width * mPluginSize.height * 2);
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
if (!eventHandled)
return;
// Setup the clip rectangle
XRectangle rect;
rect.x = NSToIntFloor(mAbsolutePositionClip.X());
rect.y = NSToIntFloor(mAbsolutePositionClip.Y());
rect.width = NSToIntCeil(mAbsolutePositionClip.Width());
rect.height = NSToIntCeil(mAbsolutePositionClip.Height());
PRInt32 absPosX = NSToIntFloor(mAbsolutePosition.X());
PRInt32 absPosY = NSToIntFloor(mAbsolutePosition.Y());
XSetClipRectangles(gdk_x11_get_default_xdisplay(),
mXlibSurfGC,
absPosX,
absPosY,
&rect, 1,
Unsorted);
XShmPutImage(gdk_x11_get_default_xdisplay(),
mBlitWindow,
mXlibSurfGC,
mSharedXImage,
0,
0,
absPosX,
absPosY,
mPluginSize.width,
mPluginSize.height,
PR_FALSE);
XSetClipRectangles(gdk_x11_get_default_xdisplay(), mXlibSurfGC, 0, 0, nsnull, 0, Unsorted);
XFlush(gdk_x11_get_default_xdisplay());
return;
}
#endif
#if defined(MOZ_WIDGET_GTK2)
nsresult
nsPluginInstanceOwner::Renderer::NativeDraw(GdkDrawable * drawable,
short offsetX, short offsetY,
GdkRectangle * clipRects,
PRUint32 numClipRects)
{
#ifdef MOZ_X11
Visual * visual = GDK_VISUAL_XVISUAL(gdk_drawable_get_visual(drawable));
Colormap colormap = GDK_COLORMAP_XCOLORMAP(gdk_drawable_get_colormap(drawable));
Screen * screen = GDK_SCREEN_XSCREEN (gdk_drawable_get_screen(drawable));
#endif
#elif defined(MOZ_WIDGET_QT)
nsresult
nsPluginInstanceOwner::Renderer::NativeDraw(QWidget * drawable,
short offsetX, short offsetY,
QRect * clipRects,
PRUint32 numClipRects)
{
#ifdef MOZ_X11
QX11Info xinfo = drawable->x11Info();
Visual * visual = (Visual*) xinfo.visual();
Colormap colormap = xinfo.colormap();
Screen * screen = (Screen*) xinfo.screen();
#endif
#endif
// See if the plugin must be notified of new window parameters.
PRBool doupdatewindow = PR_FALSE;
if (mWindow->x != offsetX || mWindow->y != offsetY) {
mWindow->x = offsetX;
mWindow->y = offsetY;
doupdatewindow = PR_TRUE;
}
if (nsIntSize(mWindow->width, mWindow->height) != mPluginSize) {
mWindow->width = mPluginSize.width;
mWindow->height = mPluginSize.height;
doupdatewindow = PR_TRUE;
}
// The clip rect is relative to drawable top-left.
NS_ASSERTION(numClipRects <= 1, "We don't support multiple clip rectangles!");
nsIntRect clipRect;
if (numClipRects) {
#if defined(MOZ_WIDGET_GTK2)
clipRect.x = clipRects[0].x;
clipRect.y = clipRects[0].y;
clipRect.width = clipRects[0].width;
clipRect.height = clipRects[0].height;
#elif defined(MOZ_WIDGET_QT)
clipRect.x = clipRects[0].x();
clipRect.y = clipRects[0].y();
clipRect.width = clipRects[0].width();
clipRect.height = clipRects[0].height();
#endif
}
else {
// NPRect members are unsigned, but
// we should have been given a clip if an offset is -ve.
NS_ASSERTION(offsetX >= 0 && offsetY >= 0,
"Clip rectangle offsets are negative!");
clipRect.x = offsetX;
clipRect.y = offsetY;
clipRect.width = mWindow->width;
clipRect.height = mWindow->height;
}
NPRect newClipRect;
newClipRect.left = clipRect.x;
newClipRect.top = clipRect.y;
newClipRect.right = clipRect.XMost();
newClipRect.bottom = clipRect.YMost();
if (mWindow->clipRect.left != newClipRect.left ||
mWindow->clipRect.top != newClipRect.top ||
mWindow->clipRect.right != newClipRect.right ||
mWindow->clipRect.bottom != newClipRect.bottom) {
mWindow->clipRect = newClipRect;
doupdatewindow = PR_TRUE;
}
NPSetWindowCallbackStruct* ws_info =
static_cast<NPSetWindowCallbackStruct*>(mWindow->ws_info);
#ifdef MOZ_X11
if (ws_info->visual != visual || ws_info->colormap != colormap) {
ws_info->visual = visual;
ws_info->colormap = colormap;
ws_info->depth = DepthOfVisual(screen, visual);
doupdatewindow = PR_TRUE;
}
#endif
#ifdef MOZ_COMPOSITED_PLUGINS
if (mWindow->type == NPWindowTypeDrawable)
#endif
{
if (doupdatewindow)
mInstance->SetWindow(mWindow);
}
#ifdef MOZ_X11
// Translate the dirty rect to drawable coordinates,
// and work around a bug in Flash up to 10.1 d51 at least, where expose
// event top left coordinates within the plugin-rect and not at the drawable
// origin are misinterpreted. (We can move the top left coordinate provided
// if it is within the clipRect.)
nsIntRect dirtyRect(offsetX, offsetY,
mDirtyRect.XMost(), mDirtyRect.YMost());
// Intersect the dirty rect with the clip rect to ensure that it lies within
// the drawable.
if (!dirtyRect.IntersectRect(dirtyRect, clipRect))
return NS_OK;
#ifdef MOZ_COMPOSITED_PLUGINS
if (mWindow->type == NPWindowTypeDrawable) {
#endif
XEvent pluginEvent;
XGraphicsExposeEvent& exposeEvent = pluginEvent.xgraphicsexpose;
// set the drawing info
exposeEvent.type = GraphicsExpose;
exposeEvent.display = DisplayOfScreen(screen);
exposeEvent.drawable =
#if defined(MOZ_WIDGET_GTK2)
GDK_DRAWABLE_XID(drawable);
#elif defined(MOZ_WIDGET_QT)
drawable->x11PictureHandle();
#endif
exposeEvent.x = dirtyRect.x;
exposeEvent.y = dirtyRect.y;
exposeEvent.width = dirtyRect.width;
exposeEvent.height = dirtyRect.height;
exposeEvent.count = 0;
// information not set:
exposeEvent.serial = 0;
exposeEvent.send_event = False;
exposeEvent.major_code = 0;
exposeEvent.minor_code = 0;
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&pluginEvent, &eventHandled);
#ifdef MOZ_COMPOSITED_PLUGINS
}
else {
/* XXX: this is very nasty. We need a better way of getting at mPlugWindow */
GtkWidget *plug = (GtkWidget*)(((nsPluginNativeWindow*)mWindow)->mPlugWindow);
//GtkWidget *plug = (GtkWidget*)(((nsPluginNativeWindowGtk2*)mWindow)->mSocketWidget);
/* Cairo has bugs with IncludeInferiors when using paint
* so we use XCopyArea directly instead. */
XGCValues gcv;
gcv.subwindow_mode = IncludeInferiors;
gcv.graphics_exposures = False;
GC gc = XCreateGC(GDK_DISPLAY(), gdk_x11_drawable_get_xid(drawable), GCGraphicsExposures | GCSubwindowMode, &gcv);
/* The source and destination appear to always line up, so src and dest
* coords should be the same */
XCopyArea(GDK_DISPLAY(), gdk_x11_drawable_get_xid(plug->window),
gdk_x11_drawable_get_xid(drawable),
gc,
mDirtyRect.x,
mDirtyRect.y,
mDirtyRect.width,
mDirtyRect.height,
mDirtyRect.x,
mDirtyRect.y);
XFreeGC(GDK_DISPLAY(), gc);
}
#endif
#endif
return NS_OK;
}
#endif
void nsPluginInstanceOwner::SendIdleEvent()
{
#ifdef MAC_CARBON_PLUGINS
// validate the plugin clipping information by syncing the plugin window info to
// reflect the current widget location. This makes sure that everything is updated
// correctly in the event of scrolling in the window.
if (mInstance) {
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) {
void* window = FixUpPluginWindow(ePluginPaintEnable);
if (window) {
EventRecord idleEvent;
InitializeEventRecord(&idleEvent, nsnull);
idleEvent.what = nullEvent;
// give a bogus 'where' field of our null event when hidden, so Flash
// won't respond to mouse moves in other tabs, see bug 120875
if (!mWidgetVisible)
idleEvent.where.h = idleEvent.where.v = 20000;
PRBool eventHandled = PR_FALSE;
mInstance->HandleEvent(&idleEvent, &eventHandled);
}
pluginWidget->EndDrawPlugin();
}
}
#endif
}
#ifdef MAC_CARBON_PLUGINS
void nsPluginInstanceOwner::StartTimer(PRBool isVisible)
{
if (GetEventModel() != NPEventModelCarbon)
return;
mPluginHost->AddIdleTimeTarget(this, isVisible);
}
void nsPluginInstanceOwner::CancelTimer()
{
mPluginHost->RemoveIdleTimeTarget(this);
}
#endif
nsresult nsPluginInstanceOwner::Init(nsPresContext* aPresContext,
nsObjectFrame* aFrame,
nsIContent* aContent)
{
mLastEventloopNestingLevel = GetEventloopNestingLevel();
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG,
("nsPluginInstanceOwner::Init() called on %p for frame %p\n", this,
aFrame));
mObjectFrame = aFrame;
mContent = aContent;
nsWeakFrame weakFrame(aFrame);
// Some plugins require a specific sequence of shutdown and startup when
// a page is reloaded. Shutdown happens usually when the last instance
// is destroyed. Here we make sure the plugin instance in the old
// document is destroyed before we try to create the new one.
aPresContext->EnsureVisible();
if (!weakFrame.IsAlive()) {
PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG,
("nsPluginInstanceOwner::Init's EnsureVisible() call destroyed "
"instance owner %p\n", this));
return NS_ERROR_NOT_AVAILABLE;
}
// register context menu listener
mCXMenuListener = new nsPluginDOMContextMenuListener();
if (mCXMenuListener) {
mCXMenuListener->Init(aContent);
}
nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(mContent));
if (target) {
nsCOMPtr<nsIDOMEventListener> listener;
QueryInterface(NS_GET_IID(nsIDOMEventListener), getter_AddRefs(listener));
// Register focus listener
mContent->AddEventListenerByIID(listener, NS_GET_IID(nsIDOMFocusListener));
// Register mouse listener
mContent->AddEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseListener));
// now do the mouse motion listener
mContent->AddEventListenerByIID(listener, NS_GET_IID(nsIDOMMouseMotionListener));
// Register key listener
target->AddEventListener(NS_LITERAL_STRING("keypress"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("keydown"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("keyup"), listener, PR_TRUE);
// Register drag listener
target->AddEventListener(NS_LITERAL_STRING("drop"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("dragdrop"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("drag"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("dragenter"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("dragover"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("dragleave"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("dragexit"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("dragstart"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("draggesture"), listener, PR_TRUE);
target->AddEventListener(NS_LITERAL_STRING("dragend"), listener, PR_TRUE);
}
// Register scroll position listeners
// We need to register a scroll position listener on every scrollable
// frame up to the top
for (nsIFrame* f = mObjectFrame; f; f = nsLayoutUtils::GetCrossDocParentFrame(f)) {
nsIScrollableFrame* sf = do_QueryFrame(f);
if (sf) {
sf->AddScrollPositionListener(this);
}
}
return NS_OK;
}
void* nsPluginInstanceOwner::GetPluginPortFromWidget()
{
//!!! Port must be released for windowless plugins on Windows, because it is HDC !!!
void* result = NULL;
if (mWidget) {
#ifdef XP_WIN
if (mPluginWindow && (mPluginWindow->type == NPWindowTypeDrawable))
result = mWidget->GetNativeData(NS_NATIVE_GRAPHIC);
else
#endif
#ifdef XP_MACOSX
if (GetDrawingModel() == NPDrawingModelCoreGraphics)
result = mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT_CG);
else
#endif
result = mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT);
}
return result;
}
void nsPluginInstanceOwner::ReleasePluginPort(void * pluginPort)
{
#ifdef XP_WIN
if (mWidget && mPluginWindow &&
mPluginWindow->type == NPWindowTypeDrawable) {
mWidget->FreeNativeData((HDC)pluginPort, NS_NATIVE_GRAPHIC);
}
#endif
}
NS_IMETHODIMP nsPluginInstanceOwner::CreateWidget(void)
{
NS_ENSURE_TRUE(mPluginWindow, NS_ERROR_NULL_POINTER);
nsIView *view;
nsresult rv = NS_ERROR_FAILURE;
if (mObjectFrame) {
// Create view if necessary
view = mObjectFrame->GetView();
if (!view || !mWidget) {
PRBool windowless = PR_FALSE;
mInstance->IsWindowless(&windowless);
// always create widgets in Twips, not pixels
nsPresContext* context = mObjectFrame->PresContext();
rv = mObjectFrame->CreateWidget(context->DevPixelsToAppUnits(mPluginWindow->width),
context->DevPixelsToAppUnits(mPluginWindow->height),
windowless);
if (NS_OK == rv) {
mWidget = mObjectFrame->GetWidget();
if (PR_TRUE == windowless) {
mPluginWindow->type = NPWindowTypeDrawable;
// this needs to be a HDC according to the spec, but I do
// not see the right way to release it so let's postpone
// passing HDC till paint event when it is really
// needed. Change spec?
mPluginWindow->window = nsnull;
#ifdef MOZ_X11
// Fill in the display field.
nsIWidget* win = mObjectFrame->GetWindow();
NPSetWindowCallbackStruct* ws_info =
static_cast<NPSetWindowCallbackStruct*>(mPluginWindow->ws_info);
if (win) {
ws_info->display =
static_cast<Display*>(win->GetNativeData(NS_NATIVE_DISPLAY));
}
#ifdef MOZ_WIDGET_GTK2
else {
ws_info->display = GDK_DISPLAY();
}
#endif
#endif
} else if (mWidget) {
mWidget->Resize(mPluginWindow->width, mPluginWindow->height,
PR_FALSE);
// mPluginWindow->type is used in |GetPluginPort| so it must
// be initialized first
mPluginWindow->type = NPWindowTypeWindow;
mPluginWindow->window = GetPluginPortFromWidget();
#ifdef MAC_CARBON_PLUGINS
// start the idle timer.
StartTimer(PR_TRUE);
#endif
// tell the plugin window about the widget
mPluginWindow->SetPluginWidget(mWidget);
// tell the widget about the current plugin instance owner.
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (pluginWidget)
pluginWidget->SetPluginInstanceOwner(this);
}
}
}
}
return rv;
}
void nsPluginInstanceOwner::SetPluginHost(nsIPluginHost* aHost)
{
mPluginHost = aHost;
}
#ifdef MOZ_USE_IMAGE_EXPOSE
PRBool nsPluginInstanceOwner::UpdateVisibility(PRBool aVisible)
{
// NOTE: Death grip must be held by caller.
if (!mInstance)
return PR_TRUE;
PRBool handled;
NPEvent pluginEvent;
XVisibilityEvent& visibilityEvent = pluginEvent.xvisibility;
visibilityEvent.type = VisibilityNotify;
visibilityEvent.display = 0;
visibilityEvent.state = aVisible ? VisibilityUnobscured : VisibilityFullyObscured;
mInstance->HandleEvent(&pluginEvent, &handled);
mWidgetVisible = PR_TRUE;
return PR_TRUE;
}
#endif
// Mac specific code to fix up the port location and clipping region
#ifdef XP_MACOSX
void* nsPluginInstanceOwner::FixUpPluginWindow(PRInt32 inPaintState)
{
if (!mWidget || !mPluginWindow || !mInstance || !mObjectFrame)
return nsnull;
NPDrawingModel drawingModel = GetDrawingModel();
NPEventModel eventModel = GetEventModel();
nsCOMPtr<nsIPluginWidget> pluginWidget = do_QueryInterface(mWidget);
if (!pluginWidget)
return nsnull;
// If we've already set up a CGContext in nsObjectFrame::PaintPlugin(), we
// don't want calls to SetPluginPortAndDetectChange() to step on our work.
void* pluginPort = nsnull;
if (mInCGPaintLevel > 0) {
pluginPort = mPluginWindow->window;
} else {
pluginPort = SetPluginPortAndDetectChange();
}
#ifdef MAC_CARBON_PLUGINS
if (eventModel == NPEventModelCarbon && !pluginPort)
return nsnull;
#endif
nsIntPoint pluginOrigin;
nsIntRect widgetClip;
PRBool widgetVisible;
pluginWidget->GetPluginClipRect(widgetClip, pluginOrigin, widgetVisible);
mWidgetVisible = widgetVisible;
// printf("GetPluginClipRect returning visible %d\n", widgetVisible);
#ifndef NP_NO_QUICKDRAW
// set the port coordinates
if (drawingModel == NPDrawingModelQuickDraw) {
mPluginWindow->x = -static_cast<NP_Port*>(pluginPort)->portx;
mPluginWindow->y = -static_cast<NP_Port*>(pluginPort)->porty;
}
else if (drawingModel == NPDrawingModelCoreGraphics)
#endif
{
// This would be a lot easier if we could use obj-c here,
// but we can't. Since we have only nsIWidget and we can't
// use its native widget (an obj-c object) we have to go
// from the widget's screen coordinates to its window coords
// instead of straight to window coords.
nsIntPoint geckoScreenCoords = mWidget->WidgetToScreenOffset();
nsRect windowRect;
#ifndef NP_NO_CARBON
if (eventModel == NPEventModelCarbon)
NS_NPAPI_CarbonWindowFrame(static_cast<WindowRef>(static_cast<NP_CGContext*>(pluginPort)->window), windowRect);
else
#endif
{
nsIWidget* widget = mObjectFrame->GetWindow();
if (!widget)
return nsnull;
void* nativeData = widget->GetNativeData(NS_NATIVE_WINDOW);
if (!nativeData)
return nsnull;
NS_NPAPI_CocoaWindowFrame(nativeData, windowRect);
}
mPluginWindow->x = geckoScreenCoords.x - windowRect.x;
mPluginWindow->y = geckoScreenCoords.y - windowRect.y;
}
NPRect oldClipRect = mPluginWindow->clipRect;
// fix up the clipping region
mPluginWindow->clipRect.top = widgetClip.y;
mPluginWindow->clipRect.left = widgetClip.x;
if (!mWidgetVisible || inPaintState == ePluginPaintDisable) {
mPluginWindow->clipRect.bottom = mPluginWindow->clipRect.top;
mPluginWindow->clipRect.right = mPluginWindow->clipRect.left;
}
else if (inPaintState == ePluginPaintEnable)
{
mPluginWindow->clipRect.bottom = mPluginWindow->clipRect.top + widgetClip.height;
mPluginWindow->clipRect.right = mPluginWindow->clipRect.left + widgetClip.width;
}
// if the clip rect changed, call SetWindow()
// (RealPlayer needs this to draw correctly)
if (mPluginWindow->clipRect.left != oldClipRect.left ||
mPluginWindow->clipRect.top != oldClipRect.top ||
mPluginWindow->clipRect.right != oldClipRect.right ||
mPluginWindow->clipRect.bottom != oldClipRect.bottom)
{
mInstance->SetWindow(mPluginWindow);
mPluginPortChanged = PR_FALSE;
#ifdef MAC_CARBON_PLUGINS
// if the clipRect is of size 0, make the null timer fire less often
CancelTimer();
if (mPluginWindow->clipRect.left == mPluginWindow->clipRect.right ||
mPluginWindow->clipRect.top == mPluginWindow->clipRect.bottom) {
StartTimer(PR_FALSE);
}
else {
StartTimer(PR_TRUE);
}
#endif
} else if (mPluginPortChanged) {
mInstance->SetWindow(mPluginWindow);
mPluginPortChanged = PR_FALSE;
}
#ifndef NP_NO_QUICKDRAW
if (drawingModel == NPDrawingModelQuickDraw)
return ::GetWindowFromPort(static_cast<NP_Port*>(pluginPort)->port);
#endif
#ifdef MAC_CARBON_PLUGINS
if (drawingModel == NPDrawingModelCoreGraphics && eventModel == NPEventModelCarbon)
return static_cast<NP_CGContext*>(pluginPort)->window;
#endif
return nsnull;
}
#endif // XP_MACOSX
// Little helper function to resolve relative URL in
// |value| for certain inputs of |name|
void nsPluginInstanceOwner::FixUpURLS(const nsString &name, nsAString &value)
{
if (name.LowerCaseEqualsLiteral("pluginurl") ||
name.LowerCaseEqualsLiteral("pluginspage")) {
nsCOMPtr<nsIURI> baseURI = mContent->GetBaseURI();
nsAutoString newURL;
NS_MakeAbsoluteURI(newURL, value, baseURI);
if (!newURL.IsEmpty())
value = newURL;
}
}
#ifdef MOZ_USE_IMAGE_EXPOSE
nsresult
nsPluginInstanceOwner::SetAbsoluteScreenPosition(nsIDOMElement* element,
nsIDOMClientRect* position,
nsIDOMClientRect* clip)
{
if (!element || !position || !clip)
return NS_ERROR_FAILURE;
// Making X or DOM method calls can cause our frame to go
// away, which might kill us...
nsCOMPtr<nsIPluginInstanceOwner> kungFuDeathGrip(this);
if (!mBlitWindow) {
mBlitWindow = GDK_WINDOW_XWINDOW(GetClosestWindow(element));
if (!mBlitWindow)
return NS_ERROR_FAILURE;
}
float left, top, width, height;
position->GetLeft(&left);
position->GetTop(&top);
position->GetWidth(&width);
position->GetHeight(&height);
mAbsolutePosition = gfxRect(left, top, width, height);
clip->GetLeft(&left);
clip->GetTop(&top);
clip->GetWidth(&width);
clip->GetHeight(&height);
mAbsolutePositionClip = gfxRect(left, top, width, height);
UpdateVisibility(!(width == 0 && height == 0));
if (!mInstance)
return NS_OK;
PRBool simpleImageRender = PR_FALSE;
mInstance->GetValueFromPlugin(NPPVpluginWindowlessLocalBool,
&simpleImageRender);
if (simpleImageRender)
NativeImageDraw();
return NS_OK;
}
#endif
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