/* -*- 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 * Jacek Piskozub * Leon Sha * Roland Mainz * Robert O'Callahan * Christian Biesinger * Josh Aas * Mats Palmgren * * 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 */ #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" #ifdef MOZ_X11 #ifdef MOZ_WIDGET_QT #include #include #endif #endif #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 "nsIEventListener.h" #include "nsIScrollableView.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 "nsContentUtils.h" #include "nsDisplayList.h" #include "nsAttrName.h" #include "nsDataHashtable.h" #include "nsDOMClassInfo.h" #include "nsFocusManager.h" // headers for plugin scriptability #include "nsIScriptGlobalObject.h" #include "nsIScriptContext.h" #include "nsIXPConnect.h" #include "nsIXPCScriptable.h" #include "nsIClassInfo.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 // 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 #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" #endif #ifdef MOZ_X11 #include /* X headers suck */ enum { XKeyPress = KeyPress }; #ifdef KeyPress #undef KeyPress #endif #ifdef MOZ_PLATFORM_HILDON #define MOZ_COMPOSITED_PLUGINS 1 #endif #ifdef MOZ_WIDGET_GTK2 #include #include #include #endif #endif #ifdef MOZ_WIDGET_GTK2 #include "gfxGdkNativeRenderer.h" #endif #ifdef MOZ_WIDGET_QT #include "gfxQtNativeRenderer.h" #endif #ifdef XP_WIN #include #include #endif #ifdef CreateEvent // Thank you MS. #undef CreateEvent #endif #ifdef PR_LOGGING static PRLogModuleInfo *nsObjectFrameLM = PR_NewLogModule("nsObjectFrame"); #endif /* PR_LOGGING */ // 1020 / 60 #define NORMAL_PLUGIN_DELAY 17 // low enough to avoid audio skipping/delays #define HIDDEN_PLUGIN_DELAY 100 // 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 nsIEventListener { 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 nsIEventListener, public nsITimerCallback, public nsIDOMMouseListener, public nsIDOMMouseMotionListener, public nsIDOMKeyListener, public nsIDOMFocusListener, public nsIScrollPositionListener { public: nsPluginInstanceOwner(); virtual ~nsPluginInstanceOwner(); NS_DECL_ISUPPORTS //nsIPluginInstanceOwner interface NS_IMETHOD SetInstance(nsIPluginInstance *aInstance); NS_IMETHOD GetInstance(nsIPluginInstance *&aInstance); NS_IMETHOD GetWindow(nsPluginWindow *&aWindow); NS_IMETHOD GetMode(nsPluginMode *aMode); NS_IMETHOD CreateWidget(void); NS_IMETHOD GetURL(const char *aURL, const char *aTarget, void *aPostData, PRUint32 aPostDataLen, void *aHeadersData, PRUint32 aHeadersDataLen, PRBool isFile = PR_FALSE); NS_IMETHOD ShowStatus(const char *aStatusMsg); NS_IMETHOD ShowStatus(const PRUnichar *aStatusMsg); NS_IMETHOD GetDocument(nsIDocument* *aDocument); NS_IMETHOD InvalidateRect(nsPluginRect *invalidRect); NS_IMETHOD InvalidateRegion(nsPluginRegion invalidRegion); NS_IMETHOD ForceRedraw(); NS_IMETHOD GetNetscapeWindow(void *value); //nsIPluginTagInfo interface NS_IMETHOD GetAttributes(PRUint16& n, const char*const*& names, const char*const*& values); NS_IMETHOD GetAttribute(const char* name, const char* *result); NS_IMETHOD GetTagType(nsPluginTagType *result); NS_IMETHOD GetTagText(const char* *result); NS_IMETHOD GetParameters(PRUint16& n, const char*const*& names, const char*const*& values); NS_IMETHOD GetParameter(const char* name, const char* *result); NS_IMETHOD GetDocumentBase(const char* *result); NS_IMETHOD GetDocumentEncoding(const char* *result); NS_IMETHOD GetAlignment(const char* *result); NS_IMETHOD GetWidth(PRUint32 *result); NS_IMETHOD GetHeight(PRUint32 *result); NS_IMETHOD GetBorderVertSpace(PRUint32 *result); NS_IMETHOD GetBorderHorizSpace(PRUint32 *result); NS_IMETHOD GetUniqueID(PRUint32 *result); NS_IMETHOD GetDOMElement(nsIDOMElement* *result); // 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); // nsIDOMFocuListener interfaces NS_IMETHOD Focus(nsIDOMEvent * aFocusEvent); NS_IMETHOD Blur(nsIDOMEvent * aFocusEvent); nsresult Destroy(); void PrepareToStop(PRBool aDelayedStop); // nsIEventListener interface nsEventStatus ProcessEvent(const nsGUIEvent & anEvent); #ifdef XP_WIN void Paint(const RECT& aDirty, HDC aDC); #elif defined(XP_MACOSX) void Paint(); #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 // nsITimerCallback interface NS_DECL_NSITIMERCALLBACK void CancelTimer(); void StartTimer(unsigned int aDelay); // nsIScrollPositionListener interface NS_IMETHOD ScrollPositionWillChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY); virtual void ViewPositionDidChange(nsIScrollableView* aScrollable) {} NS_IMETHOD ScrollPositionDidChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY); //locals nsresult Init(nsPresContext* aPresContext, nsObjectFrame* aFrame, nsIContent* aContent); nsPluginPort* GetPluginPort(); void ReleasePluginPort(nsPluginPort * pluginPort); void SetPluginHost(nsIPluginHost* aHost); #ifdef XP_MACOSX NPDrawingModel GetDrawingModel(); WindowRef 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. nsPluginPort* GetPluginPortCopy() { return &mPluginPortCopy; } // Set plugin port info in the plugin (in the 'window' member of the // nsPluginWindow 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. nsPluginPort* 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) { mOwner = 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 MatchPluginName("Shockwave Flash"); #else return PR_FALSE; #endif } PRBool MatchPluginName(const char *aPluginName) { return strncmp(GetPluginName(), aPluginName, strlen(aPluginName)) == 0; } private: void FixUpURLS(const nsString &name, nsAString &value); nsPluginNativeWindow *mPluginWindow; nsCOMPtr mInstance; nsObjectFrame *mOwner; nsCOMPtr mContent; nsCString mDocumentBase; char *mTagText; nsCOMPtr mWidget; nsCOMPtr mPluginTimer; nsCOMPtr mPluginHost; #ifdef XP_MACOSX nsPluginPort mPluginPortCopy; 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; PRPackedBool mTimerCanceled; PRUint16 mNumCachedAttrs; PRUint16 mNumCachedParams; char **mCachedAttrParamNames; char **mCachedAttrParamValues; #ifdef MOZ_COMPOSITED_PLUGINS nsIntPoint mLastPoint; #endif // pointer to wrapper for nsIDOMContextMenuListener nsRefPtr 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(nsPluginWindow* 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: nsPluginWindow* mWindow; nsIPluginInstance* mInstance; const nsIntSize& mPluginSize; const nsIntRect& mDirtyRect; }; #elif defined(MOZ_WIDGET_QT) class Renderer : public gfxQtNativeRenderer { public: Renderer(nsPluginWindow* 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: nsPluginWindow* mWindow; nsIPluginInstance* mInstance; const nsIntSize& mPluginSize; const nsIntRect& mDirtyRect; }; #endif }; // Mac specific code to fix up port position and clip during paint #ifdef XP_MACOSX enum { ePluginPaintIgnore, 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 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->GetPluginPort(); 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)); return nsObjectFrameSuper::Init(aContent, aParent, aPrevInFlow); } void nsObjectFrame::Destroy() { 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); nsObjectFrameSuper::Destroy(); } /* 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::CreateWidgetForView(nsIView* aView) { // Bug 179822: Create widget and allow non-unicode SubClass nsWidgetInitData initData; initData.mUnicode = PR_FALSE; return aView->CreateWidget(kWidgetCID, &initData); } 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); //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); if (!aViewOnly && !view->HasWidget()) { nsresult rv = CreateWidgetForView(view); if (NS_FAILED(rv)) { return NS_OK; //XXX why OK? MMP } } { // 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 nsIWidget* win = view->GetWidget(); if (win) win->SetBackgroundColor(background->mBackgroundColor); break; } } } 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 = PR_MIN(PR_MAX(nsPresContext::CSSPixelsToAppUnits(EMBED_DEF_WIDTH), aReflowState.mComputedMinWidth), aReflowState.mComputedMaxWidth); } if (aMetrics.height == NS_UNCONSTRAINEDSIZE) { aMetrics.height = PR_MIN(PR_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 = PR_MIN(aPresContext->DevPixelsToAppUnits(PR_INT16_MAX), aMetrics.height); aMetrics.width = PR_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; } FixupWindow(nsSize(aMetrics.width, aMetrics.height)); 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 appShell = do_GetService(kAppShellCID); if (appShell) { appShell->SuspendNative(); } NS_ASSERTION(mContent, "We should have a content node."); nsIDocument* doc = mContent->GetOwnerDoc(); nsCOMPtr pDoc (do_QueryInterface(doc)); PRBool fullPageMode = PR_FALSE; if (pDoc) { pDoc->GetWillHandleInstantiation(&fullPageMode); } nsresult rv; if (fullPageMode) { /* full-page mode */ nsCOMPtr 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; nsPluginWindow *window; mInstanceOwner->GetWindow(window); NS_ENSURE_TRUE(window, /**/); #ifdef XP_MACOSX mInstanceOwner->FixUpPluginWindow(ePluginPaintDisable); #endif PRBool windowless = (window->type == nsPluginWindowType_Drawable); 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 } void nsObjectFrame::CallSetWindow() { nsPluginWindow *win = nsnull; nsresult rv; nsCOMPtr 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 == nsPluginWindowType_Drawable); nsIntPoint origin = GetWindowOriginInPixels(windowless); window->x = origin.x; window->y = origin.y; // refresh the plugin port as well window->window = mInstanceOwner->GetPluginPort(); // this will call pi->SetWindow and take care of window subclassing // if needed, see bug 132759. window->CallSetWindow(pi); mInstanceOwner->ReleasePluginPort((nsPluginPort *)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 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 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) { // XXX Should this be replaced by nsIView::GetNearestWidget? // The implementation below doesn't handle cases where the widget's origin // doesn't coincide with its view's origin. nsIViewManager* parentVM = parentWithView->GetViewManager(); // Walk up all the views and add up their positions until we // reach the first view with a window (non-null widget). This will give us our // position relative to the containing window which is what we want to give the plugin nsIView* theView = parentWithView; while (theView && !theView->GetWidget()) { if (theView->GetViewManager() != parentVM) break; origin += theView->GetPosition(); theView = theView->GetParent(); } } 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 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) { // FIXME - Bug 385435: Doesn't aDirtyRect need translating too? nsIRenderingContext::AutoPushTranslation translate(aCtx, aPt.x, aPt.y); static_cast(aFrame)->PrintPlugin(*aCtx, aDirtyRect); } /*static */ void nsObjectFrame::PaintPlugin(nsIFrame* aFrame, nsIRenderingContext* aCtx, const nsRect& aDirtyRect, nsPoint aPt) { static_cast(aFrame)->PaintPlugin(*aCtx, aDirtyRect, aPt); } 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"); // 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) nsDisplayGeneric(this, PaintPlugin, "Plugin")); } void nsObjectFrame::PrintPlugin(nsIRenderingContext& aRenderingContext, const nsRect& aDirtyRect) { // if we are printing, we need to get the correct nsIPluginInstance // for THIS content node in order to call ->Print() on the right plugin // first, we need to get the document nsIDocument* doc = mContent->GetCurrentDoc(); if (!doc) return; // now we need to get the shell for the screen // XXX assuming that the shell at zero will always be the screen one nsIPresShell *shell = doc->GetPrimaryShell(); if (!shell) return; // then the shell can give us the screen frame for this content node nsIFrame* frame = shell->GetPrimaryFrameFor(mContent); 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 pi; if (NS_FAILED(objectFrame->GetPluginInstance(*getter_AddRefs(pi))) || !pi) return; // now we need to setup the correct location for printing nsPluginWindow window; window.window = nsnull; // prepare embedded mode printing struct nsPluginPrint npprint; npprint.mode = nsPluginMode_Embedded; // we need to find out if we are windowless or not PRBool windowless = PR_FALSE; pi->GetValue(nsPluginInstanceVariable_WindowlessBool, (void *)&windowless); window.type = windowless ? nsPluginWindowType_Drawable : nsPluginWindowType_Window; window.clipRect.bottom = 0; window.clipRect.top = 0; window.clipRect.left = 0; window.clipRect.right = 0; // XXX platform specific printing code #if defined(XP_UNIX) && !defined(XP_MACOSX) /* 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. */ #if 0 /* UNIX does things completely differently: * We call the plugin and it sends generated PostScript data into a * file handle we provide. If the plugin returns with success we embed * this PostScript code fragment into the PostScript job we send to the * printer. */ PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG, ("nsObjectFrame::Paint() start for X11 platforms\n")); FILE *plugintmpfile = tmpfile(); if (!plugintmpfile) { PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG, ("error: could not open tmp. file, errno=%d\n", errno)); return; } /* Send off print info to plugin */ NPPrintCallbackStruct npPrintInfo; npPrintInfo.type = NP_PRINT; npPrintInfo.fp = plugintmpfile; npprint.print.embedPrint.platformPrint = (void *)&npPrintInfo; /* aDirtyRect contains the right information for ps print */ window.x = aDirtyRect.x; window.y = aDirtyRect.y; window.width = aDirtyRect.width; window.height = aDirtyRect.height; npprint.print.embedPrint.window = window; nsresult rv = pi->Print(&npprint); if (NS_FAILED(rv)) { PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG, ("error: plugin returned failure %lx\n", (long)rv)); fclose(plugintmpfile); return; } /* Send data to printer */ rv = aRenderingContext.RenderEPS(aDirtyRect, plugintmpfile); fclose(plugintmpfile); PR_LOG(nsObjectFrameLM, PR_LOG_DEBUG, ("plugin printing done, return code is %lx\n", (long)rv)); #endif #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 */ window.x = 0; window.y = 0; window.width = presContext->AppUnitsToDevPixels(mRect.width); window.height = presContext->AppUnitsToDevPixels(mRect.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(); #else // Get the offset of the DC nsTransform2D* rcTransform; aRenderingContext.GetCurrentTransform(rcTransform); nsPoint origin; rcTransform->GetTranslationCoord(&origin.x, &origin.y); // set it all up // XXX is windowless different? window.x = presContext->AppUnitsToDevPixels(origin.x); window.y = presContext->AppUnitsToDevPixels(origin.y); window.width = presContext->AppUnitsToDevPixels(mRect.width); window.height= presContext->AppUnitsToDevPixels(mRect.height); // we need the native printer device context to pass to plugin // NATIVE_WINDOWS_DC is a misnomer, it's whatever the native platform // thing is. void* dc; dc = aRenderingContext.GetNativeGraphicData(nsIRenderingContext::NATIVE_WINDOWS_DC); if (!dc) return; // no dc implemented so quit npprint.print.embedPrint.platformPrint = dc; npprint.print.embedPrint.window = window; // send off print info to plugin pi->Print(&npprint); #endif // XXX Nav 4.x always sent a SetWindow call after print. Should we do the same? 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 nsPoint& aFramePt) { // 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. nsRect content = GetContentRect() - GetPosition() + aFramePt; nsIntRect contentPixels = content.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 inst; GetPluginInstance(*getter_AddRefs(inst)); if (!inst) { NS_WARNING("null plugin instance during PaintPlugin"); nativeDrawing.EndNativeDrawing(); return; } nsPluginWindow* window; mInstanceOwner->GetWindow(window); if (!window) { NS_WARNING("null plugin window during PaintPlugin"); nativeDrawing.EndNativeDrawing(); return; } nsPluginPort* pluginPortCopy = mInstanceOwner->GetPluginPortCopy(); if (!pluginPortCopy) { NS_WARNING("null plugin port copy during PaintPlugin"); nativeDrawing.EndNativeDrawing(); return; } if (!mInstanceOwner->SetPluginPortAndDetectChange()) { NS_WARNING("null plugin port during PaintPlugin"); nativeDrawing.EndNativeDrawing(); return; } // 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().) if (window->window->cgPort.context != cgContext) { window->window->cgPort.context = cgContext; pluginPortCopy->cgPort.context = cgContext; mInstanceOwner->SetPluginPortChanged(PR_TRUE); } mInstanceOwner->BeginCGPaint(); mInstanceOwner->Paint(); mInstanceOwner->EndCGPaint(); nativeDrawing.EndNativeDrawing(); } else { // FIXME - Bug 385435: Doesn't aDirtyRect need translating too? nsIRenderingContext::AutoPushTranslation translate(&aRenderingContext, aFramePt.x, aFramePt.y); mInstanceOwner->Paint(); } } #elif defined(MOZ_X11) || defined(MOZ_DFB) if (mInstanceOwner) { nsPluginWindow * window; mInstanceOwner->GetWindow(window); #ifdef MOZ_COMPOSITED_PLUGINS { #else if (window->type == nsPluginWindowType_Drawable) { #endif gfxRect frameGfxRect = PresContext()->AppUnitsToGfxUnits(nsRect(aFramePt, GetSize())); gfxRect dirtyGfxRect = PresContext()->AppUnitsToGfxUnits(aDirtyRect); gfxContext* ctx = aRenderingContext.ThebesContext(); mInstanceOwner->Paint(ctx, frameGfxRect, dirtyGfxRect); } } #elif defined(XP_WIN) nsCOMPtr inst; GetPluginInstance(*getter_AddRefs(inst)); if (inst) { gfxRect frameGfxRect = PresContext()->AppUnitsToGfxUnits(nsRect(aFramePt, GetSize())); 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 nsPluginWindow * window; mInstanceOwner->GetWindow(window); if (window->type == nsPluginWindowType_Drawable) { // 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); 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(window->window) != hdc || window->x != dest.left || window->y != dest.top) { window->window = reinterpret_cast(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 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 nsPluginEvent 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 (::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(window->window); RECT rc; GetWindowRect(hwnd, &rc); nsRefPtr 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 inst; GetPluginInstance(*getter_AddRefs(inst)); if (inst) { // Look if it's windowless nsPluginWindow * window; mInstanceOwner->GetWindow(window); if (window->type == nsPluginWindowType_Drawable) { // FIXME - Bug 385435: Doesn't aDirtyRect need translating too? nsIRenderingContext::AutoPushTranslation translate(&aRenderingContext, aFramePt.x, aFramePt.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 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(window->window) != hps) { window->window = reinterpret_cast(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(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 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 switch (anEvent->message) { case NS_DESTROY: mInstanceOwner->CancelTimer(); break; case NS_ACTIVATE: case NS_DEACTIVATE: *anEventStatus = mInstanceOwner->ProcessEvent(*anEvent); break; default: // instead of using an event listener, we can dispatch events to plugins directly. rv = nsObjectFrameSuper::HandleEvent(aPresContext, anEvent, anEventStatus); } return rv; } 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 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(mRect.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(mRect.Size()); // get the nsIPluginHost service nsCOMPtr 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 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 mTimer; nsRefPtr 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) { // 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 evt = new nsStopPluginRunnable(aInstanceOwner); NS_DispatchToCurrentThread(evt); return PR_TRUE; } return PR_FALSE; } static void DoStopPlugin(nsPluginInstanceOwner *aInstanceOwner, PRBool aDelayedStop) { nsCOMPtr inst; aInstanceOwner->GetInstance(*getter_AddRefs(inst)); if (inst) { nsPluginWindow *win; aInstanceOwner->GetWindow(win); nsPluginNativeWindow *window = (nsPluginNativeWindow *)win; nsCOMPtr nullinst; PRBool doCache = PR_TRUE; PRBool doCallSetWindowAfterDestroy = PR_FALSE; // first, determine if the plugin wants to be cached inst->GetValue(nsPluginInstanceVariable_DoCacheBool, (void *)&doCache); if (!doCache) { // then determine if the plugin wants Destroy to be called after // Set Window. This is for bug 50547. inst->GetValue(nsPluginInstanceVariable_CallSetWindowAfterDestroyBool, (void *)&doCallSetWindowAfterDestroy); if (doCallSetWindowAfterDestroy) { // XXXjst: ns4xPluginInstance::Destroy() is a no-op, clean // this mess up when there are no other instance types. inst->Stop(); if (window) window->CallSetWindow(nullinst); else inst->SetWindow(nsnull); } else { if (window) window->CallSetWindow(nullinst); else inst->SetWindow(nsnull); if (DoDelayedStop(aInstanceOwner, aDelayedStop)) return; inst->Stop(); } } else { if (window) window->CallSetWindow(nullinst); else inst->SetWindow(nsnull); if (DoDelayedStop(aInstanceOwner, aDelayedStop)) return; inst->Stop(); } nsCOMPtr 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 kungFuDeathGrip = this; nsCOMPtr appShell = do_GetService(kAppShellCID); if (appShell) { PRUint32 currentLevel = 0; appShell->GetEventloopNestingLevel(¤tLevel); 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 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; } // 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 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) { // 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, tell // the view to disown the widget (i.e. leave it up to us to // destroy it). // Disown the view while we still know it's safe to do so. nsIView *view = GetView(); if (view) { view->DisownWidget(); } } #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 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 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 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); } // nsPluginDOMContextMenuListener class implementation nsPluginDOMContextMenuListener::nsPluginDOMContextMenuListener() { } nsPluginDOMContextMenuListener::~nsPluginDOMContextMenuListener() { } NS_IMPL_ISUPPORTS3(nsPluginDOMContextMenuListener, nsIDOMContextMenuListener, nsIDOMEventListener, nsIEventListener) NS_IMETHODIMP nsPluginDOMContextMenuListener::ContextMenu(nsIDOMEvent* aContextMenuEvent) { aContextMenuEvent->PreventDefault(); // consume event return NS_OK; } nsresult nsPluginDOMContextMenuListener::Init(nsIContent* aContent) { nsCOMPtr 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 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 nsPluginWindow // struct and allows to manipulate native window procedure nsCOMPtr ph = do_GetService(MOZ_PLUGIN_HOST_CONTRACTID); if (ph) ph->NewPluginNativeWindow(&mPluginWindow); else mPluginWindow = nsnull; mOwner = nsnull; mTagText = nsnull; #ifdef XP_MACOSX memset(&mPluginPortCopy, 0, sizeof(nsPluginPort)); mInCGPaintLevel = 0; #endif mContentFocused = PR_FALSE; mWidgetVisible = PR_TRUE; mPluginPortChanged = PR_FALSE; mNumCachedAttrs = 0; mNumCachedParams = 0; mCachedAttrParamNames = nsnull; mCachedAttrParamValues = nsnull; mDestroyWidget = PR_FALSE; mTimerCanceled = PR_TRUE; #ifdef MOZ_COMPOSITED_PLUGINS mLastPoint = nsIntPoint(0,0); #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)); // shut off the timer. CancelTimer(); mOwner = 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 ph = do_GetService(MOZ_PLUGIN_HOST_CONTRACTID); if (ph) { ph->DeletePluginNativeWindow(mPluginWindow); mPluginWindow = nsnull; } if (mInstance) { mInstance->InvalidateOwner(); } } /* * 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(nsIEventListener) NS_INTERFACE_MAP_ENTRY(nsITimerCallback) NS_INTERFACE_MAP_ENTRY(nsIDOMMouseListener) NS_INTERFACE_MAP_ENTRY(nsIDOMMouseMotionListener) NS_INTERFACE_MAP_ENTRY(nsIDOMKeyListener) NS_INTERFACE_MAP_ENTRY(nsIDOMFocusListener) NS_INTERFACE_MAP_ENTRY(nsIScrollPositionListener) 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(nsPluginWindow *&aWindow) { NS_ASSERTION(mPluginWindow, "the plugin window object being returned is null"); aWindow = mPluginWindow; return NS_OK; } NS_IMETHODIMP nsPluginInstanceOwner::GetMode(nsPluginMode *aMode) { nsCOMPtr doc; nsresult rv = GetDocument(getter_AddRefs(doc)); nsCOMPtr pDoc (do_QueryInterface(doc)); if (pDoc) { *aMode = nsPluginMode_Full; } else { *aMode = nsPluginMode_Embedded; } 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, void *aPostData, PRUint32 aPostDataLen, void *aHeadersData, PRUint32 aHeadersDataLen, PRBool isFile) { NS_ENSURE_TRUE(mOwner,NS_ERROR_NULL_POINTER); if (mContent->IsEditable()) { return NS_OK; } // the container of the pres context will give us the link handler nsCOMPtr container = mOwner->PresContext()->GetContainer(); NS_ENSURE_TRUE(container,NS_ERROR_FAILURE); nsCOMPtr lh = do_QueryInterface(container); NS_ENSURE_TRUE(lh, NS_ERROR_FAILURE); nsAutoString unitarget; unitarget.AssignASCII(aTarget); // XXX could this be nonascii? nsCOMPtr baseURI = mContent->GetBaseURI(); // Create an absolute URL nsCOMPtr uri; nsresult rv = NS_NewURI(getter_AddRefs(uri), aURL, baseURI); NS_ENSURE_SUCCESS(rv, NS_ERROR_FAILURE); nsCOMPtr postDataStream; nsCOMPtr headersDataStream; // deal with post data, either in a file or raw data, and any headers if (aPostData) { rv = NS_NewPluginPostDataStream(getter_AddRefs(postDataStream), (const char *)aPostData, aPostDataLen, isFile); NS_ASSERTION(NS_SUCCEEDED(rv),"failed in creating plugin post data stream"); if (NS_FAILED(rv)) return rv; if (aHeadersData) { rv = NS_NewPluginPostDataStream(getter_AddRefs(headersDataStream), (const char *) aHeadersData, aHeadersDataLen, PR_FALSE, PR_TRUE); // last arg says we are headers, no /r/n/r/n fixup! NS_ASSERTION(NS_SUCCEEDED(rv),"failed in creating plugin header data stream"); if (NS_FAILED(rv)) return rv; } } PRInt32 blockPopups = nsContentUtils::GetIntPref("privacy.popups.disable_from_plugins"); nsAutoPopupStatePusher popupStatePusher((PopupControlState)blockPopups); rv = lh->OnLinkClick(mContent, uri, unitarget.get(), postDataStream, 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 (!mOwner) { return rv; } nsCOMPtr cont = mOwner->PresContext()->GetContainer(); if (!cont) { return NS_OK; } nsCOMPtr docShellItem(do_QueryInterface(cont, &rv)); if (NS_FAILED(rv) || !docShellItem) { return rv; } nsCOMPtr treeOwner; rv = docShellItem->GetTreeOwner(getter_AddRefs(treeOwner)); if (NS_FAILED(rv) || !treeOwner) { return rv; } nsCOMPtr 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(nsPluginRect *invalidRect) { nsresult rv = NS_ERROR_FAILURE; if (mOwner && invalidRect && mWidgetVisible) { nsPresContext* presContext = mOwner->PresContext(); nsRect rect(presContext->DevPixelsToAppUnits(invalidRect->left), presContext->DevPixelsToAppUnits(invalidRect->top), presContext->DevPixelsToAppUnits(invalidRect->right - invalidRect->left), presContext->DevPixelsToAppUnits(invalidRect->bottom - invalidRect->top)); mOwner->Invalidate(rect); } return rv; } NS_IMETHODIMP nsPluginInstanceOwner::InvalidateRegion(nsPluginRegion invalidRegion) { return NS_ERROR_NOT_IMPLEMENTED; } NS_IMETHODIMP nsPluginInstanceOwner::ForceRedraw() { NS_ENSURE_TRUE(mOwner,NS_ERROR_NULL_POINTER); nsIView* view = mOwner->GetView(); if (view) { return view->GetViewManager()->Composite(); } return NS_OK; } NS_IMETHODIMP nsPluginInstanceOwner::GetNetscapeWindow(void *value) { if (!mOwner) { 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 = mOwner->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 == nsPluginWindowType_Drawable) { // 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 = mOwner->GetWindow(); if (win) { nsIView *view = nsIView::GetViewFor(win); NS_ASSERTION(view, "No view for widget"); nsIView *rootView = nsnull; vm->GetRootView(rootView); NS_ASSERTION(rootView, "No root view"); nsPoint offset = view->GetOffsetTo(rootView); 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 document window nsCOMPtr widget; nsresult rv = vm->GetWidget(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 = mOwner->GetWindow(); if (!win) return NS_ERROR_FAILURE; GdkWindow* gdkWindow = static_cast(win->GetNativeData(NS_NATIVE_WINDOW)); if (!gdkWindow) return NS_ERROR_FAILURE; gdkWindow = gdk_window_get_toplevel(gdkWindow); #ifdef MOZ_X11 *static_cast(value) = GDK_WINDOW_XID(gdkWindow); #endif return NS_OK; #else return NS_ERROR_NOT_IMPLEMENTED; #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 node(do_QueryInterface(mContent, &rv)); if (NS_FAILED(rv)) return rv; nsCOMPtr document; rv = GetDocument(getter_AddRefs(document)); if (NS_FAILED(rv)) return rv; nsCOMPtr domDoc = do_QueryInterface(document); NS_ASSERTION(domDoc, "Need a document"); nsCOMPtr 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 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 (!mOwner) { *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 * 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 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(); 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(mOwner); 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(mOwner, 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(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 ourParams; // use the DOM to get us ALL our dependent PARAM tags, even if not // ours nsCOMPtr mydomElement = do_QueryInterface(mContent); NS_ENSURE_TRUE(mydomElement, NS_ERROR_NO_INTERFACE); nsCOMPtr allParams; // Making DOM method calls can cause our frame to go away, which // might kill us... nsCOMPtr 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 pnode; allParams->Item(i, getter_AddRefs(pnode)); nsCOMPtr 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 parent; nsCOMPtr domobject; nsCOMPtr 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 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 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(mOwner, NS_ERROR_OUT_OF_MEMORY); PRUint32 cparams = ourParams.Count(); // unsigned 32 bits to unsigned 16 bits conversion if (cparams < 0x0000FFFF) mNumCachedParams = static_cast(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++; } // 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->IsNodeOfType(nsINode::eHTML) && 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; } 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 static void InitializeEventRecord(EventRecord* event) { memset(event, 0, sizeof(EventRecord)); ::GetGlobalMouse(&event->where); event->when = ::TickCount(); event->modifiers = ::GetCurrentEventKeyModifiers(); } NPDrawingModel nsPluginInstanceOwner::GetDrawingModel() { #ifndef NP_NO_QUICKDRAW NPDrawingModel drawingModel = NPDrawingModelQuickDraw; #else NPDrawingModel drawingModel = NPDrawingModelCoreGraphics; #endif if (!mInstance) return drawingModel; mInstance->GetValue(nsPluginInstanceVariable_DrawingModel, (void *)&drawingModel); return drawingModel; } // Currently (on OS X in Cocoa widgets) any changes made as a result of // calling GetPluginPort() are immediately reflected in the nsPluginWindow // 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 GetPluginPort() 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 GetPluginPort() 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. nsPluginPort* nsPluginInstanceOwner::SetPluginPortAndDetectChange() { if (!mPluginWindow) return nsnull; nsPluginPort* pluginPort = GetPluginPort(); if (!pluginPort) return nsnull; mPluginWindow->window = pluginPort; NPDrawingModel drawingModel = GetDrawingModel(); #ifndef NP_NO_QUICKDRAW if (drawingModel == NPDrawingModelQuickDraw) { if (mPluginWindow->window->qdPort.port != mPluginPortCopy.qdPort.port) { mPluginPortCopy.qdPort.port = mPluginWindow->window->qdPort.port; mPluginPortChanged = PR_TRUE; } } else if (drawingModel == NPDrawingModelCoreGraphics) #endif { if ((mPluginWindow->window->cgPort.context != mPluginPortCopy.cgPort.context) || (mPluginWindow->window->cgPort.window != mPluginPortCopy.cgPort.window)) { mPluginPortCopy.cgPort.context = mPluginWindow->window->cgPort.context; mPluginPortCopy.cgPort.window = mPluginWindow->window->cgPort.window; mPluginPortChanged = PR_TRUE; } } return mPluginWindow->window; } void nsPluginInstanceOwner::BeginCGPaint() { ++mInCGPaintLevel; } void nsPluginInstanceOwner::EndCGPaint() { --mInCGPaintLevel; NS_ASSERTION(mInCGPaintLevel >= 0, "Mismatched call to nsPluginInstanceOwner::EndCGPlugin()!"); } #endif // static PRUint32 nsPluginInstanceOwner::GetEventloopNestingLevel() { nsCOMPtr appShell = do_GetService(kAppShellCID); PRUint32 currentLevel = 0; if (appShell) { appShell->GetEventloopNestingLevel(¤tLevel); #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; } nsresult nsPluginInstanceOwner::ScrollPositionWillChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY) { #ifdef XP_MACOSX CancelTimer(); if (mInstance) { nsCOMPtr pluginWidget = do_QueryInterface(mWidget); if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) { EventRecord scrollEvent; InitializeEventRecord(&scrollEvent); scrollEvent.what = NPEventType_ScrollingBeginsEvent; WindowRef window = FixUpPluginWindow(ePluginPaintDisable); if (window) { nsPluginEvent pluginEvent = { &scrollEvent, nsPluginPlatformWindowRef(window) }; PRBool eventHandled = PR_FALSE; mInstance->HandleEvent(&pluginEvent, &eventHandled); } pluginWidget->EndDrawPlugin(); } } #endif return NS_OK; } nsresult nsPluginInstanceOwner::ScrollPositionDidChange(nsIScrollableView* aScrollable, nscoord aX, nscoord aY) { #ifdef XP_MACOSX if (mInstance) { nsCOMPtr pluginWidget = do_QueryInterface(mWidget); if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) { EventRecord scrollEvent; InitializeEventRecord(&scrollEvent); scrollEvent.what = NPEventType_ScrollingEndsEvent; WindowRef window = FixUpPluginWindow(ePluginPaintEnable); if (window) { nsPluginEvent pluginEvent = { &scrollEvent, nsPluginPlatformWindowRef(window) }; PRBool eventHandled = PR_FALSE; mInstance->HandleEvent(&pluginEvent, &eventHandled); } pluginWidget->EndDrawPlugin(); } } #endif StartTimer(NORMAL_PLUGIN_DELAY); return NS_OK; } /*=============== 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 || nsPluginWindowType_Window == mPluginWindow->type) { // continue only for cases without child window return aFocusEvent->PreventDefault(); // consume event } #endif nsCOMPtr 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 XP_MACOSX // send KeyPress events only on Mac // 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 privateEvent(do_QueryInterface(aKeyEvent)); if (privateEvent) { nsEvent *theEvent = privateEvent->GetInternalNSEvent(); const nsGUIEvent *guiEvent = (nsGUIEvent*)theEvent; const EventRecord *ev = (EventRecord*)(guiEvent->nativeMsg); 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 || nsPluginWindowType_Window == mPluginWindow->type) return aKeyEvent->PreventDefault(); // consume event // continue only for cases without child window #endif if (mInstance) { nsCOMPtr 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 || nsPluginWindowType_Window == mPluginWindow->type) 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 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 || nsPluginWindowType_Window == mPluginWindow->type) 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 (mOwner && mPluginWindow && mPluginWindow->type == nsPluginWindowType_Drawable) { nsIFocusManager* fm = nsFocusManager::GetFocusManager(); if (fm) { nsCOMPtr elem = do_QueryInterface(mContent); fm->SetFocus(elem, 0); } } nsCOMPtr 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 || nsPluginWindowType_Window == mPluginWindow->type) 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 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) { nsAutoString eventType; aEvent->GetType(eventType); if (mInstance) { nsCOMPtr dragEvent = do_QueryInterface(aEvent); if (dragEvent) { // 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); XQueryTree(GDK_DISPLAY(), target_id, root, &parent, &children, &nchildren); if (nchildren > 0) { for (unsigned int i=0; i= 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; } else { /* we have no children */ 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 || !mOwner) // if mInstance is null, we shouldn't be here return rv; // this code supports windowless plugins nsIWidget* widget = anEvent.widget; nsPluginEvent pluginEvent; pluginEvent.event.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 = mOwner->PresContext(); nsPoint appPoint = nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mOwner); nsIntPoint pluginPoint(presContext->AppUnitsToDevPixels(appPoint.x), presContext->AppUnitsToDevPixels(appPoint.y)); mLastPoint = pluginPoint; const nsMouseEvent& mouseEvent = static_cast(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.event.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.event.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.event.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.event.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.nativeMsg) { XKeyEvent &event = pluginEvent.event.xkey; #ifdef MOZ_WIDGET_GTK2 event.root = GDK_ROOT_WINDOW(); event.time = anEvent.time; const GdkEventKey* gdkEvent = static_cast(anEvent.nativeMsg); event.keycode = gdkEvent->hardware_keycode; event.state = gdkEvent->state; switch (anEvent.message) { case NS_KEY_DOWN: event.type = XKeyPress; break; case NS_KEY_UP: event.type = KeyRelease; break; } #endif // Information that could be obtained from nativeMsg 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.event.xfocus; event.type = anEvent.message == NS_FOCUS_CONTENT ? FocusIn : FocusOut; // information lost: event.mode = -1; event.detail = NotifyDetailNone; } break; } } if (!pluginEvent.event.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.event.xany; event.display = widget ? static_cast(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; /* we've sent the event via XSendEvent so don't send it directly to the plugin */ //mInstance->HandleEvent(&pluginEvent, &eventHandled); if (eventHandled) rv = nsEventStatus_eConsumeNoDefault; return rv; } #endif nsEventStatus nsPluginInstanceOwner::ProcessEvent(const nsGUIEvent& anEvent) { // printf("nsGUIEvent.message: %d\n", anEvent.message); #ifdef MOZ_COMPOSITED_PLUGINS if (mPluginWindow && mPluginWindow->type != nsPluginWindowType_Drawable) return ProcessEventX11Composited(anEvent); #endif nsEventStatus rv = nsEventStatus_eIgnore; if (!mInstance || !mOwner) // if mInstance is null, we shouldn't be here return rv; #ifdef XP_MACOSX // check for null mWidget if (mWidget) { nsCOMPtr pluginWidget = do_QueryInterface(mWidget); if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) { EventRecord carbonEvent; void* event = anEvent.nativeMsg; if (!event || (static_cast(event)->what == nullEvent)) { InitializeEventRecord(&carbonEvent); if (anEvent.message == NS_FOCUS_CONTENT || anEvent.message == NS_BLUR_CONTENT) { carbonEvent.what = (anEvent.message == NS_FOCUS_CONTENT) ? NPEventType_GetFocusEvent : NPEventType_LoseFocusEvent; } event = &carbonEvent; } if (anEvent.message == NS_FOCUS_CONTENT) { // 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. ::DeactivateTSMDocument(::TSMGetActiveDocument()); } PRBool eventHandled = PR_FALSE; WindowRef window = FixUpPluginWindow(ePluginPaintIgnore); if (window) { nsPluginEvent pluginEvent = { (EventRecord*)event, nsPluginPlatformWindowRef(window) }; mInstance->HandleEvent(&pluginEvent, &eventHandled); } if (eventHandled && !(anEvent.eventStructType == NS_MOUSE_EVENT && anEvent.message == NS_MOUSE_BUTTON_DOWN && static_cast(anEvent).button == nsMouseEvent::eLeftButton && !mContentFocused)) rv = nsEventStatus_eConsumeNoDefault; pluginWidget->EndDrawPlugin(); } } #endif #ifdef XP_WIN // this code supports windowless plugins nsPluginEvent * pPluginEvent = (nsPluginEvent *)anEvent.nativeMsg; // we can get synthetic events from the nsEventStateManager... these // have no nativeMsg nsPluginEvent pluginEvent; if (anEvent.eventStructType == NS_MOUSE_EVENT) { // XXX we could synthesize Windows mouse events here for our // synthetic mouse events (i.e. !pPluginEvent) if (pPluginEvent) { // Make event coordinates relative to our enclosing widget, // not the widget they were received on. // See use of nsPluginEvent 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, mOwner); nsPresContext* presContext = mOwner->PresContext(); nsIntPoint ptPx(presContext->AppUnitsToDevPixels(pt.x), presContext->AppUnitsToDevPixels(pt.y)); nsIntPoint widgetPtPx = ptPx + mOwner->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) { 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; nsPluginEvent pluginEvent; pluginEvent.event.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 = mOwner->PresContext(); nsPoint appPoint = nsLayoutUtils::GetEventCoordinatesRelativeTo(&anEvent, mOwner); nsIntPoint pluginPoint(presContext->AppUnitsToDevPixels(appPoint.x), presContext->AppUnitsToDevPixels(appPoint.y)); const nsMouseEvent& mouseEvent = static_cast(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.event.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.event.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.event.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.nativeMsg) { XKeyEvent &event = pluginEvent.event.xkey; #ifdef MOZ_WIDGET_GTK2 event.root = GDK_ROOT_WINDOW(); event.time = anEvent.time; const GdkEventKey* gdkEvent = static_cast(anEvent.nativeMsg); event.keycode = gdkEvent->hardware_keycode; event.state = gdkEvent->state; switch (anEvent.message) { case NS_KEY_DOWN: event.type = XKeyPress; break; case NS_KEY_UP: event.type = KeyRelease; break; } #endif // Information that could be obtained from nativeMsg 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.event.xfocus; event.type = anEvent.message == NS_FOCUS_CONTENT ? FocusIn : FocusOut; // information lost: event.mode = -1; event.detail = NotifyDetailNone; } break; } } if (!pluginEvent.event.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.event.xany; event.display = widget ? static_cast(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() { // stop the timer explicitly to reduce reference count. CancelTimer(); // unregister context menu listener if (mCXMenuListener) { mCXMenuListener->Destroy(mContent); mCXMenuListener = nsnull; } nsCOMPtr target(do_QueryInterface(mContent)); if (target) { nsCOMPtr 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 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 listener nsIFrame* parentWithView = mOwner->GetAncestorWithView(); nsIView* curView = parentWithView ? parentWithView->GetView() : nsnull; while (curView) { nsIScrollableView* scrollingView = curView->ToScrollableView(); if (scrollingView) scrollingView->RemoveScrollPositionListener((nsIScrollPositionListener *)this); curView = curView->GetParent(); } } // Paints are handled differently, so we just simulate an update event. #ifdef XP_MACOSX void nsPluginInstanceOwner::Paint() { if (!mInstance || !mOwner) return; nsCOMPtr pluginWidget = do_QueryInterface(mWidget); if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) { WindowRef window = FixUpPluginWindow(ePluginPaintEnable); if (window) { EventRecord updateEvent; InitializeEventRecord(&updateEvent); updateEvent.what = updateEvt; updateEvent.message = UInt32(window); nsPluginEvent pluginEvent = { &updateEvent, nsPluginPlatformWindowRef(window) }; PRBool eventHandled = PR_FALSE; mInstance->HandleEvent(&pluginEvent, &eventHandled); } pluginWidget->EndDrawPlugin(); } } #endif #ifdef XP_WIN void nsPluginInstanceOwner::Paint(const RECT& aDirty, HDC aDC) { if (!mInstance || !mOwner) return; nsPluginEvent 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 || !mOwner) return; nsPluginWindow * window; GetWindow(window); nsIntRect relDirtyRect = aDirtyRect.ToOutsidePixels(mOwner->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; nsPluginEvent 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 || !mOwner) return; // Align to device pixels where sensible // 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; nsPluginWindow* window; GetWindow(window); Renderer renderer(window, mInstance, pluginSize, pluginDirtyRect); PRUint32 rendererFlags = Renderer::DRAW_SUPPORTS_OFFSET | Renderer::DRAW_SUPPORTS_CLIP_RECT | Renderer::DRAW_SUPPORTS_NONDEFAULT_VISUAL | Renderer::DRAW_SUPPORTS_ALTERNATE_SCREEN; PRBool transparent = PR_TRUE; mInstance->GetValue(nsPluginInstanceVariable_TransparentBool, (void *)&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.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 #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 { // nsPluginRect 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; } nsPluginRect 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(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 == nsPluginWindowType_Drawable) #endif { if (doupdatewindow) mInstance->SetWindow(mWindow); } #ifdef MOZ_X11 // Translate the dirty rect to drawable coordinates. nsIntRect dirtyRect = mDirtyRect + nsIntPoint(offsetX, offsetY); // 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 == nsPluginWindowType_Drawable) { #endif nsPluginEvent pluginEvent; XGraphicsExposeEvent& exposeEvent = pluginEvent.event.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 = mDirtyRect.x + offsetX; exposeEvent.y = mDirtyRect.y + offsetY; exposeEvent.width = mDirtyRect.width; exposeEvent.height = mDirtyRect.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 // Here's how we give idle time to plugins. NS_IMETHODIMP nsPluginInstanceOwner::Notify(nsITimer* /* timer */) { #ifdef XP_MACOSX // 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 pluginWidget = do_QueryInterface(mWidget); if (pluginWidget && NS_SUCCEEDED(pluginWidget->StartDrawPlugin())) { WindowRef window = FixUpPluginWindow(ePluginPaintIgnore); if (window) { EventRecord idleEvent; InitializeEventRecord(&idleEvent); 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; nsPluginEvent pluginEvent = { &idleEvent, nsPluginPlatformWindowRef(window) }; PRBool eventHandled = PR_FALSE; mInstance->HandleEvent(&pluginEvent, &eventHandled); } pluginWidget->EndDrawPlugin(); } } #endif return NS_OK; } void nsPluginInstanceOwner::StartTimer(unsigned int aDelay) { #ifdef XP_MACOSX if (!mTimerCanceled) return; // start a periodic timer to provide null events to the plugin instance. if (!mPluginTimer) { mPluginTimer = do_CreateInstance("@mozilla.org/timer;1"); } if (mPluginTimer) { mTimerCanceled = PR_FALSE; mPluginTimer->InitWithCallback(this, aDelay, nsITimer::TYPE_REPEATING_SLACK); } #endif } void nsPluginInstanceOwner::CancelTimer() { if (mPluginTimer) { mPluginTimer->Cancel(); } mTimerCanceled = PR_TRUE; } 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)); mOwner = 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 target(do_QueryInterface(mContent)); if (target) { nsCOMPtr 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 listener // We need to register a scroll pos listener on every scrollable // view up to the top nsIFrame* parentWithView = mOwner->GetAncestorWithView(); nsIView* curView = parentWithView ? parentWithView->GetView() : nsnull; while (curView) { nsIScrollableView* scrollingView = curView->ToScrollableView(); if (scrollingView) scrollingView->AddScrollPositionListener((nsIScrollPositionListener *)this); curView = curView->GetParent(); } return NS_OK; } nsPluginPort* nsPluginInstanceOwner::GetPluginPort() { //!!! Port must be released for windowless plugins on Windows, because it is HDC !!! nsPluginPort* result = NULL; if (mWidget) { #ifdef XP_WIN if (mPluginWindow && mPluginWindow->type == nsPluginWindowType_Drawable) result = (nsPluginPort*) mWidget->GetNativeData(NS_NATIVE_GRAPHIC); else #endif #ifdef XP_MACOSX if (GetDrawingModel() == NPDrawingModelCoreGraphics) result = (nsPluginPort*) mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT_CG); else #endif result = (nsPluginPort*) mWidget->GetNativeData(NS_NATIVE_PLUGIN_PORT); } return result; } void nsPluginInstanceOwner::ReleasePluginPort(nsPluginPort * pluginPort) { #ifdef XP_WIN if (mWidget && mPluginWindow && mPluginWindow->type == nsPluginWindowType_Drawable) { 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 (mOwner) { // Create view if necessary view = mOwner->GetView(); if (!view || !mWidget) { PRBool windowless = PR_FALSE; mInstance->GetValue(nsPluginInstanceVariable_WindowlessBool, (void *)&windowless); // always create widgets in Twips, not pixels nsPresContext* context = mOwner->PresContext(); rv = mOwner->CreateWidget(context->DevPixelsToAppUnits(mPluginWindow->width), context->DevPixelsToAppUnits(mPluginWindow->height), windowless); if (NS_OK == rv) { view = mOwner->GetView(); if (view) { mWidget = view->GetWidget(); } if (PR_TRUE == windowless) { mPluginWindow->type = nsPluginWindowType_Drawable; // 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 = mOwner->GetWindow(); NPSetWindowCallbackStruct* ws_info = static_cast(mPluginWindow->ws_info); if (win) { ws_info->display = static_cast(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 = nsPluginWindowType_Window; mPluginWindow->window = GetPluginPort(); // start the idle timer. StartTimer(NORMAL_PLUGIN_DELAY); // tell the plugin window about the widget mPluginWindow->SetPluginWidget(mWidget); // tell the widget about the current plugin instance owner. nsCOMPtr pluginWidget = do_QueryInterface(mWidget); if (pluginWidget) pluginWidget->SetPluginInstanceOwner(this); } } } } return rv; } void nsPluginInstanceOwner::SetPluginHost(nsIPluginHost* aHost) { mPluginHost = aHost; } // Mac specific code to fix up the port location and clipping region #ifdef XP_MACOSX WindowRef nsPluginInstanceOwner::FixUpPluginWindow(PRInt32 inPaintState) { if (!mWidget || !mPluginWindow || !mInstance || !mOwner) return nsnull; NPDrawingModel drawingModel = GetDrawingModel(); // If we've already set up a CGContext in nsObjectFrame::PaintPlugin(), we // don't want calls to SetPluginPortAndDetectChange() to step on our work. nsPluginPort* pluginPort = nsnull; if (mInCGPaintLevel > 0) { pluginPort = mPluginWindow->window; } else { pluginPort = SetPluginPortAndDetectChange(); } if (!pluginPort) return nsnull; // first, check our view for CSS visibility style PRBool isVisible = mOwner->GetView()->GetVisibility() == nsViewVisibility_kShow; nsCOMPtr pluginWidget = do_QueryInterface(mWidget); nsIntPoint pluginOrigin; nsIntRect widgetClip; PRBool widgetVisible; pluginWidget->GetPluginClipRect(widgetClip, pluginOrigin, widgetVisible); // printf("GetPluginClipRect returning visible %d\n", widgetVisible); isVisible &= widgetVisible; if (!isVisible) widgetClip.Empty(); #ifndef NP_NO_QUICKDRAW // set the port coordinates if (drawingModel == NPDrawingModelQuickDraw) { mPluginWindow->x = -pluginPort->qdPort.portx; mPluginWindow->y = -pluginPort->qdPort.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(); Rect windowRect; WindowRef window = (WindowRef)pluginPort->cgPort.window; ::GetWindowBounds(window, kWindowStructureRgn, &windowRect); mPluginWindow->x = geckoScreenCoords.x - windowRect.left; mPluginWindow->y = geckoScreenCoords.y - windowRect.top; } nsPluginRect oldClipRect = mPluginWindow->clipRect; // fix up the clipping region mPluginWindow->clipRect.top = widgetClip.y; mPluginWindow->clipRect.left = widgetClip.x; mWidgetVisible = isVisible; if (!mWidgetVisible || inPaintState == ePluginPaintDisable) { mPluginWindow->clipRect.bottom = mPluginWindow->clipRect.top; mPluginWindow->clipRect.right = mPluginWindow->clipRect.left; // pluginPort = nsnull; // don't uncomment this } 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; // 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(HIDDEN_PLUGIN_DELAY); } else { StartTimer(NORMAL_PLUGIN_DELAY); } } else if (mPluginPortChanged) { mInstance->SetWindow(mPluginWindow); mPluginPortChanged = PR_FALSE; } #ifndef NP_NO_QUICKDRAW if (drawingModel == NPDrawingModelQuickDraw) return ::GetWindowFromPort(pluginPort->qdPort.port); #endif if (drawingModel == NPDrawingModelCoreGraphics) return pluginPort->cgPort.window; 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 baseURI = mContent->GetBaseURI(); nsAutoString newURL; NS_MakeAbsoluteURI(newURL, value, baseURI); if (!newURL.IsEmpty()) value = newURL; } }