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gecko/widget/cocoa/nsChildView.mm

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/* -*- Mode: objc; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "mozilla/Util.h"
#ifdef MOZ_LOGGING
#define FORCE_PR_LOG
#endif
#include "prlog.h"
#include <unistd.h>
#include <math.h>
#include "nsChildView.h"
#include "nsCocoaWindow.h"
#include "nsObjCExceptions.h"
#include "nsCOMPtr.h"
#include "nsToolkit.h"
#include "nsCRT.h"
#include "nsFontMetrics.h"
#include "nsIRollupListener.h"
#include "nsViewManager.h"
#include "nsIInterfaceRequestor.h"
#include "nsIFile.h"
#include "nsILocalFileMac.h"
#include "nsGfxCIID.h"
#include "nsIDOMSimpleGestureEvent.h"
#include "nsNPAPIPluginInstance.h"
#include "nsThemeConstants.h"
#include "nsIWidgetListener.h"
#include "nsIPresShell.h"
#include "nsDragService.h"
#include "nsClipboard.h"
#include "nsCursorManager.h"
#include "nsWindowMap.h"
#include "nsCocoaFeatures.h"
#include "nsCocoaUtils.h"
#include "nsMenuUtilsX.h"
#include "nsMenuBarX.h"
#ifdef __LP64__
#include "ComplexTextInputPanel.h"
#endif
#include "gfxContext.h"
#include "gfxQuartzSurface.h"
#include "nsRegion.h"
#include "Layers.h"
#include "LayerManagerOGL.h"
#include "GLTextureImage.h"
#include "mozilla/layers/CompositorCocoaWidgetHelper.h"
#ifdef ACCESSIBILITY
#include "nsAccessibilityService.h"
#include "mozilla/a11y/Platform.h"
#endif
#include "mozilla/Preferences.h"
#include <dlfcn.h>
#include <ApplicationServices/ApplicationServices.h>
#include "sampler.h"
#include "nsIDOMWheelEvent.h"
using namespace mozilla;
using namespace mozilla::layers;
using namespace mozilla::gl;
using namespace mozilla::widget;
using namespace mozilla;
#undef DEBUG_UPDATE
#undef INVALIDATE_DEBUGGING // flash areas as they are invalidated
// Don't put more than this many rects in the dirty region, just fluff
// out to the bounding-box if there are more
#define MAX_RECTS_IN_REGION 100
#ifdef PR_LOGGING
PRLogModuleInfo* sCocoaLog = nullptr;
#endif
extern "C" {
CG_EXTERN void CGContextResetCTM(CGContextRef);
CG_EXTERN void CGContextSetCTM(CGContextRef, CGAffineTransform);
CG_EXTERN void CGContextResetClip(CGContextRef);
}
// defined in nsMenuBarX.mm
extern NSMenu* sApplicationMenu; // Application menu shared by all menubars
bool gChildViewMethodsSwizzled = false;
extern nsISupportsArray *gDraggedTransferables;
ChildView* ChildViewMouseTracker::sLastMouseEventView = nil;
NSEvent* ChildViewMouseTracker::sLastMouseMoveEvent = nil;
NSWindow* ChildViewMouseTracker::sWindowUnderMouse = nil;
NSPoint ChildViewMouseTracker::sLastScrollEventScreenLocation = NSZeroPoint;
#ifdef INVALIDATE_DEBUGGING
static void blinkRect(Rect* r);
static void blinkRgn(RgnHandle rgn);
#endif
bool gUserCancelledDrag = false;
uint32_t nsChildView::sLastInputEventCount = 0;
@interface ChildView(Private)
// sets up our view, attaching it to its owning gecko view
- (id)initWithFrame:(NSRect)inFrame geckoChild:(nsChildView*)inChild;
- (void)forceRefreshOpenGL;
// set up a gecko mouse event based on a cocoa mouse event
- (void) convertCocoaMouseEvent:(NSEvent*)aMouseEvent toGeckoEvent:(nsInputEvent*)outGeckoEvent;
- (NSMenu*)contextMenu;
- (void)setIsPluginView:(BOOL)aIsPlugin;
- (void)setPluginEventModel:(NPEventModel)eventModel;
- (void)setPluginDrawingModel:(NPDrawingModel)drawingModel;
- (NPDrawingModel)pluginDrawingModel;
- (BOOL)isRectObscuredBySubview:(NSRect)inRect;
- (void)processPendingRedraws;
- (void)drawRect:(NSRect)aRect inContext:(CGContextRef)aContext alternate:(BOOL)aIsAlternate;
// Called using performSelector:withObject:afterDelay:0 to release
// aWidgetArray (and its contents) the next time through the run loop.
- (void)releaseWidgets:(NSArray*)aWidgetArray;
#if USE_CLICK_HOLD_CONTEXTMENU
// called on a timer two seconds after a mouse down to see if we should display
// a context menu (click-hold)
- (void)clickHoldCallback:(id)inEvent;
#endif
#ifdef ACCESSIBILITY
- (id<mozAccessible>)accessible;
#endif
- (BOOL)inactiveWindowAcceptsMouseEvent:(NSEvent*)aEvent;
@end
#pragma mark -
/* Convenience routines to go from a gecko rect to cocoa NSRects and back
*
* Gecko rects (nsRect) contain an origin (x,y) in a coordinate
* system with (0,0) in the top-left of the screen. Cocoa rects
* (NSRect) contain an origin (x,y) in a coordinate system with
* (0,0) in the bottom-left of the screen. Both nsRect and NSRect
* contain width/height info, with no difference in their use.
* If a Cocoa rect is from a flipped view, there is no need to
* convert coordinate systems.
*/
static inline void
NSRectToGeckoRect(const NSRect & inCocoaRect, nsIntRect & outGeckoRect)
{
outGeckoRect.x = NSToIntRound(inCocoaRect.origin.x);
outGeckoRect.y = NSToIntRound(inCocoaRect.origin.y);
outGeckoRect.width = NSToIntRound(inCocoaRect.origin.x + inCocoaRect.size.width) - outGeckoRect.x;
outGeckoRect.height = NSToIntRound(inCocoaRect.origin.y + inCocoaRect.size.height) - outGeckoRect.y;
}
static inline void
ConvertGeckoRectToMacRect(const nsIntRect& aRect, Rect& outMacRect)
{
outMacRect.left = aRect.x;
outMacRect.top = aRect.y;
outMacRect.right = aRect.x + aRect.width;
outMacRect.bottom = aRect.y + aRect.height;
}
// Flips a screen coordinate from a point in the cocoa coordinate system (bottom-left rect) to a point
// that is a "flipped" cocoa coordinate system (starts in the top-left).
static inline void
FlipCocoaScreenCoordinate(NSPoint &inPoint)
{
inPoint.y = nsCocoaUtils::FlippedScreenY(inPoint.y);
}
void EnsureLogInitialized()
{
#ifdef PR_LOGGING
if (!sCocoaLog) {
sCocoaLog = PR_NewLogModule("nsCocoaWidgets");
}
#endif // PR_LOGGING
}
#pragma mark -
nsChildView::nsChildView() : nsBaseWidget()
, mView(nullptr)
, mParentView(nullptr)
, mParentWidget(nullptr)
, mBackingScaleFactor(0.0)
, mVisible(false)
, mDrawing(false)
, mPluginDrawing(false)
, mIsDispatchPaint(false)
, mPluginInstanceOwner(nullptr)
{
EnsureLogInitialized();
memset(&mPluginCGContext, 0, sizeof(mPluginCGContext));
SetBackgroundColor(NS_RGB(255, 255, 255));
SetForegroundColor(NS_RGB(0, 0, 0));
}
nsChildView::~nsChildView()
{
// Notify the children that we're gone. childView->ResetParent() can change
// our list of children while it's being iterated, so the way we iterate the
// list must allow for this.
for (nsIWidget* kid = mLastChild; kid;) {
nsChildView* childView = static_cast<nsChildView*>(kid);
kid = kid->GetPrevSibling();
childView->ResetParent();
}
NS_WARN_IF_FALSE(mOnDestroyCalled, "nsChildView object destroyed without calling Destroy()");
mResizerImage = nullptr;
// An nsChildView object that was in use can be destroyed without Destroy()
// ever being called on it. So we also need to do a quick, safe cleanup
// here (it's too late to just call Destroy(), which can cause crashes).
// It's particularly important to make sure widgetDestroyed is called on our
// mView -- this method NULLs mView's mGeckoChild, and NULL checks on
// mGeckoChild are used throughout the ChildView class to tell if it's safe
// to use a ChildView object.
[mView widgetDestroyed]; // Safe if mView is nil.
mParentWidget = nil;
TearDownView(); // Safe if called twice.
}
NS_IMPL_ISUPPORTS_INHERITED1(nsChildView, nsBaseWidget, nsIPluginWidget)
nsresult nsChildView::Create(nsIWidget *aParent,
nsNativeWidget aNativeParent,
const nsIntRect &aRect,
nsDeviceContext *aContext,
nsWidgetInitData *aInitData)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
// Because the hidden window is created outside of an event loop,
// we need to provide an autorelease pool to avoid leaking cocoa objects
// (see bug 559075).
nsAutoreleasePool localPool;
// See NSView (MethodSwizzling) below.
if (!gChildViewMethodsSwizzled) {
nsToolkit::SwizzleMethods([NSView class], @selector(mouseDownCanMoveWindow),
@selector(nsChildView_NSView_mouseDownCanMoveWindow));
#ifdef __LP64__
if (nsCocoaFeatures::OnLionOrLater()) {
nsToolkit::SwizzleMethods([NSEvent class], @selector(addLocalMonitorForEventsMatchingMask:handler:),
@selector(nsChildView_NSEvent_addLocalMonitorForEventsMatchingMask:handler:),
true);
nsToolkit::SwizzleMethods([NSEvent class], @selector(removeMonitor:),
@selector(nsChildView_NSEvent_removeMonitor:), true);
}
#else
TextInputHandler::SwizzleMethods();
#endif
gChildViewMethodsSwizzled = true;
}
mBounds = aRect;
// Ensure that the toolkit is created.
nsToolkit::GetToolkit();
BaseCreate(aParent, aRect, aContext, aInitData);
// inherit things from the parent view and create our parallel
// NSView in the Cocoa display system
mParentView = nil;
if (aParent) {
// This is the case when we're the popup content view of a popup window.
SetBackgroundColor(aParent->GetBackgroundColor());
SetForegroundColor(aParent->GetForegroundColor());
// inherit the top-level window. NS_NATIVE_WIDGET is always a NSView
// regardless of if we're asking a window or a view (for compatibility
// with windows).
mParentView = (NSView<mozView>*)aParent->GetNativeData(NS_NATIVE_WIDGET);
mParentWidget = aParent;
} else {
// This is the normal case. When we're the root widget of the view hiararchy,
// aNativeParent will be the contentView of our window, since that's what
// nsCocoaWindow returns when asked for an NS_NATIVE_VIEW.
mParentView = reinterpret_cast<NSView<mozView>*>(aNativeParent);
}
// create our parallel NSView and hook it up to our parent. Recall
// that NS_NATIVE_WIDGET is the NSView.
CGFloat scaleFactor = nsCocoaUtils::GetBackingScaleFactor(mParentView);
NSRect r = nsCocoaUtils::DevPixelsToCocoaPoints(mBounds, scaleFactor);
mView = [(NSView<mozView>*)CreateCocoaView(r) retain];
if (!mView) {
return NS_ERROR_FAILURE;
}
[(ChildView*)mView setIsPluginView:(mWindowType == eWindowType_plugin)];
// If this view was created in a Gecko view hierarchy, the initial state
// is hidden. If the view is attached only to a native NSView but has
// no Gecko parent (as in embedding), the initial state is visible.
if (mParentWidget)
[mView setHidden:YES];
else
mVisible = true;
// Hook it up in the NSView hierarchy.
if (mParentView) {
[mParentView addSubview:mView];
}
// if this is a ChildView, make sure that our per-window data
// is set up
if ([mView isKindOfClass:[ChildView class]])
[[WindowDataMap sharedWindowDataMap] ensureDataForWindow:[mView window]];
NS_ASSERTION(!mTextInputHandler, "mTextInputHandler has already existed");
mTextInputHandler = new TextInputHandler(this, mView);
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
// Creates the appropriate child view. Override to create something other than
// our |ChildView| object. Autoreleases, so caller must retain.
NSView*
nsChildView::CreateCocoaView(NSRect inFrame)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
return [[[ChildView alloc] initWithFrame:inFrame geckoChild:this] autorelease];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
void nsChildView::TearDownView()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mView)
return;
NSWindow* win = [mView window];
NSResponder* responder = [win firstResponder];
// We're being unhooked from the view hierarchy, don't leave our view
// or a child view as the window first responder.
if (responder && [responder isKindOfClass:[NSView class]] &&
[(NSView*)responder isDescendantOf:mView]) {
[win makeFirstResponder:[mView superview]];
}
// If mView is win's contentView, win (mView's NSWindow) "owns" mView --
// win has retained mView, and will detach it from the view hierarchy and
// release it when necessary (when win is itself destroyed (in a call to
// [win dealloc])). So all we need to do here is call [mView release] (to
// match the call to [mView retain] in nsChildView::StandardCreate()).
// Also calling [mView removeFromSuperviewWithoutNeedingDisplay] causes
// mView to be released again and dealloced, while remaining win's
// contentView. So if we do that here, win will (for a short while) have
// an invalid contentView (for the consequences see bmo bugs 381087 and
// 374260).
if ([mView isEqual:[win contentView]]) {
[mView release];
} else {
// Stop NSView hierarchy being changed during [ChildView drawRect:]
[mView performSelectorOnMainThread:@selector(delayedTearDown) withObject:nil waitUntilDone:false];
}
mView = nil;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
nsCocoaWindow*
nsChildView::GetXULWindowWidget()
{
id windowDelegate = [[mView window] delegate];
if (windowDelegate && [windowDelegate isKindOfClass:[WindowDelegate class]]) {
return [(WindowDelegate *)windowDelegate geckoWidget];
}
return nullptr;
}
NS_IMETHODIMP nsChildView::Destroy()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
if (mOnDestroyCalled)
return NS_OK;
mOnDestroyCalled = true;
[mView widgetDestroyed];
nsBaseWidget::Destroy();
NotifyWindowDestroyed();
mParentWidget = nil;
TearDownView();
nsBaseWidget::OnDestroy();
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
#pragma mark -
#if 0
static void PrintViewHierarchy(NSView *view)
{
while (view) {
NSLog(@" view is %x, frame %@", view, NSStringFromRect([view frame]));
view = [view superview];
}
}
#endif
// Return native data according to aDataType
void* nsChildView::GetNativeData(uint32_t aDataType)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSNULL;
void* retVal = nullptr;
switch (aDataType)
{
case NS_NATIVE_WIDGET:
case NS_NATIVE_DISPLAY:
retVal = (void*)mView;
break;
case NS_NATIVE_WINDOW:
retVal = [mView window];
break;
case NS_NATIVE_GRAPHIC:
NS_ERROR("Requesting NS_NATIVE_GRAPHIC on a Mac OS X child view!");
retVal = nullptr;
break;
case NS_NATIVE_OFFSETX:
retVal = 0;
break;
case NS_NATIVE_OFFSETY:
retVal = 0;
break;
case NS_NATIVE_PLUGIN_PORT:
case NS_NATIVE_PLUGIN_PORT_CG:
{
// The NP_CGContext pointer should always be NULL in the Cocoa event model.
if ([(ChildView*)mView pluginEventModel] == NPEventModelCocoa)
return nullptr;
UpdatePluginPort();
retVal = (void*)&mPluginCGContext;
break;
}
}
return retVal;
NS_OBJC_END_TRY_ABORT_BLOCK_NSNULL;
}
#pragma mark -
nsTransparencyMode nsChildView::GetTransparencyMode()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
nsCocoaWindow* windowWidget = GetXULWindowWidget();
return windowWidget ? windowWidget->GetTransparencyMode() : eTransparencyOpaque;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(eTransparencyOpaque);
}
// This is called by nsContainerFrame on the root widget for all window types
// except popup windows (when nsCocoaWindow::SetTransparencyMode is used instead).
void nsChildView::SetTransparencyMode(nsTransparencyMode aMode)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
nsCocoaWindow* windowWidget = GetXULWindowWidget();
if (windowWidget) {
windowWidget->SetTransparencyMode(aMode);
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
bool nsChildView::IsVisible() const
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
if (!mVisible) {
return mVisible;
}
// mVisible does not accurately reflect the state of a hidden tabbed view
// so verify that the view has a window as well
// then check native widget hierarchy visibility
return ([mView window] != nil) && !NSIsEmptyRect([mView visibleRect]);
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(false);
}
void nsChildView::HidePlugin()
{
NS_ASSERTION(mWindowType == eWindowType_plugin,
"HidePlugin called on non-plugin view");
}
void nsChildView::UpdatePluginPort()
{
NS_ASSERTION(mWindowType == eWindowType_plugin,
"UpdatePluginPort called on non-plugin view");
// [NSGraphicsContext currentContext] is supposed to "return the
// current graphics context of the current thread." But sometimes
// (when called while mView isn't focused for drawing) it returns a
// graphics context for the wrong window. [window graphicsContext]
// (which "provides the graphics context associated with the window
// for the current thread") seems always to return the "right"
// graphics context. See bug 500130.
mPluginCGContext.context = NULL;
mPluginCGContext.window = NULL;
}
static void HideChildPluginViews(NSView* aView)
{
NSArray* subviews = [aView subviews];
for (unsigned int i = 0; i < [subviews count]; ++i) {
NSView* view = [subviews objectAtIndex: i];
if (![view isKindOfClass:[ChildView class]])
continue;
ChildView* childview = static_cast<ChildView*>(view);
if ([childview isPluginView]) {
nsChildView* widget = static_cast<nsChildView*>([childview widget]);
if (widget) {
widget->HidePlugin();
}
} else {
HideChildPluginViews(view);
}
}
}
// Hide or show this component
NS_IMETHODIMP nsChildView::Show(bool aState)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
if (aState != mVisible) {
// Provide an autorelease pool because this gets called during startup
// on the "hidden window", resulting in cocoa object leakage if there's
// no pool in place.
nsAutoreleasePool localPool;
[mView setHidden:!aState];
mVisible = aState;
if (!mVisible && IsPluginView())
HidePlugin();
}
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
// Change the parent of this widget
NS_IMETHODIMP
nsChildView::SetParent(nsIWidget* aNewParent)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
if (mOnDestroyCalled)
return NS_OK;
nsCOMPtr<nsIWidget> kungFuDeathGrip(this);
if (mParentWidget) {
mParentWidget->RemoveChild(this);
}
if (aNewParent) {
ReparentNativeWidget(aNewParent);
} else {
[mView removeFromSuperview];
mParentView = nil;
}
mParentWidget = aNewParent;
if (mParentWidget) {
mParentWidget->AddChild(this);
}
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP
nsChildView::ReparentNativeWidget(nsIWidget* aNewParent)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_PRECONDITION(aNewParent, "");
if (mOnDestroyCalled)
return NS_OK;
NSView<mozView>* newParentView =
(NSView<mozView>*)aNewParent->GetNativeData(NS_NATIVE_WIDGET);
NS_ENSURE_TRUE(newParentView, NS_ERROR_FAILURE);
// we hold a ref to mView, so this is safe
[mView removeFromSuperview];
mParentView = newParentView;
[mParentView addSubview:mView];
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
void
nsChildView::WillPaint()
{
if (!mView || ![mView isKindOfClass:[ChildView class]])
return;
NSWindow* win = [mView window];
if (!win || ![win isKindOfClass:[ToolbarWindow class]])
return;
if (![(ToolbarWindow*)win drawsContentsIntoWindowFrame])
return;
NSRect titlebarRect = [(ToolbarWindow*)win titlebarRect];
gfxSize titlebarSize(titlebarRect.size.width, titlebarRect.size.height);
if (!mTitlebarSurf || mTitlebarSize != titlebarSize) {
mTitlebarSize = titlebarSize;
mTitlebarSurf = new gfxQuartzSurface(titlebarSize, gfxASurface::ImageFormatARGB32);
}
NSRect flippedTitlebarRect = { NSZeroPoint, titlebarRect.size };
CGContextRef context = mTitlebarSurf->GetCGContext();
CGContextSaveGState(context);
[(ChildView*)mView drawRect:flippedTitlebarRect inTitlebarContext:context];
CGContextRestoreGState(context);
}
void
nsChildView::CompositeTitlebar(const gfxSize& aSize, CGContextRef aContext)
{
NS_ASSERTION(mTitlebarSurf, "Must have titlebar surface");
if (!mTitlebarSurf) {
return;
}
CGImageRef image = CGBitmapContextCreateImage(mTitlebarSurf->GetCGContext());
CGContextDrawImage(aContext,
CGRectMake(0, 0, mTitlebarSize.width, mTitlebarSize.height),
image);
CGImageRelease(image);
}
void nsChildView::ResetParent()
{
if (!mOnDestroyCalled) {
if (mParentWidget)
mParentWidget->RemoveChild(this);
if (mView)
[mView removeFromSuperview];
}
mParentWidget = nullptr;
}
nsIWidget*
nsChildView::GetParent()
{
return mParentWidget;
}
float
nsChildView::GetDPI()
{
NSWindow* window = [mView window];
if (window && [window isKindOfClass:[BaseWindow class]]) {
return [(BaseWindow*)window getDPI];
}
return 96.0;
}
NS_IMETHODIMP nsChildView::Enable(bool aState)
{
return NS_OK;
}
bool nsChildView::IsEnabled() const
{
return true;
}
NS_IMETHODIMP nsChildView::SetFocus(bool aRaise)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NSWindow* window = [mView window];
if (window)
[window makeFirstResponder:mView];
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
// Override to set the cursor on the mac
NS_IMETHODIMP nsChildView::SetCursor(nsCursor aCursor)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
if ([mView isDragInProgress])
return NS_OK; // Don't change the cursor during dragging.
nsBaseWidget::SetCursor(aCursor);
return [[nsCursorManager sharedInstance] setCursor:aCursor];
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
// implement to fix "hidden virtual function" warning
NS_IMETHODIMP nsChildView::SetCursor(imgIContainer* aCursor,
uint32_t aHotspotX, uint32_t aHotspotY)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
nsBaseWidget::SetCursor(aCursor, aHotspotX, aHotspotY);
return [[nsCursorManager sharedInstance] setCursorWithImage:aCursor hotSpotX:aHotspotX hotSpotY:aHotspotY];
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
#pragma mark -
// Get this component dimension
NS_IMETHODIMP nsChildView::GetBounds(nsIntRect &aRect)
{
if (!mView) {
aRect = mBounds;
} else {
aRect = CocoaPointsToDevPixels([mView frame]);
}
return NS_OK;
}
NS_IMETHODIMP nsChildView::GetClientBounds(nsIntRect &aRect)
{
GetBounds(aRect);
if (!mParentWidget) {
// For top level widgets we want the position on screen, not the position
// of this view inside the window.
MOZ_ASSERT(mWindowType != eWindowType_plugin, "plugin widgets should have parents");
aRect.MoveTo(WidgetToScreenOffset());
}
return NS_OK;
}
double
nsChildView::GetDefaultScaleInternal()
{
return BackingScaleFactor();
}
CGFloat
nsChildView::BackingScaleFactor()
{
if (mBackingScaleFactor > 0.0) {
return mBackingScaleFactor;
}
if (!mView) {
return 1.0;
}
mBackingScaleFactor = nsCocoaUtils::GetBackingScaleFactor(mView);
return mBackingScaleFactor;
}
void
nsChildView::BackingScaleFactorChanged()
{
CGFloat newScale = nsCocoaUtils::GetBackingScaleFactor(mView);
// ignore notification if it hasn't really changed (or maybe we have
// disabled HiDPI mode via prefs)
if (mBackingScaleFactor == newScale) {
return;
}
mBackingScaleFactor = newScale;
if (mWidgetListener && !mWidgetListener->GetXULWindow()) {
nsIPresShell* presShell = mWidgetListener->GetPresShell();
if (presShell) {
presShell->BackingScaleFactorChanged();
}
}
if (IsPluginView()) {
nsEventStatus status = nsEventStatus_eIgnore;
nsGUIEvent guiEvent(true, NS_PLUGIN_RESOLUTION_CHANGED, this);
guiEvent.time = PR_IntervalNow();
DispatchEvent(&guiEvent, status);
}
}
NS_IMETHODIMP nsChildView::ConstrainPosition(bool aAllowSlop,
int32_t *aX, int32_t *aY)
{
return NS_OK;
}
// Move this component, aX and aY are in the parent widget coordinate system
NS_IMETHODIMP nsChildView::Move(double aX, double aY)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
int32_t x = NSToIntRound(aX);
int32_t y = NSToIntRound(aY);
if (!mView || (mBounds.x == x && mBounds.y == y))
return NS_OK;
mBounds.x = x;
mBounds.y = y;
[mView setFrame:DevPixelsToCocoaPoints(mBounds)];
if (mVisible)
[mView setNeedsDisplay:YES];
NotifyRollupGeometryChange();
ReportMoveEvent();
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsChildView::Resize(double aWidth, double aHeight, bool aRepaint)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
int32_t width = NSToIntRound(aWidth);
int32_t height = NSToIntRound(aHeight);
if (!mView || (mBounds.width == width && mBounds.height == height))
return NS_OK;
mBounds.width = width;
mBounds.height = height;
[mView setFrame:DevPixelsToCocoaPoints(mBounds)];
if (mVisible && aRepaint)
[mView setNeedsDisplay:YES];
NotifyRollupGeometryChange();
ReportSizeEvent();
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsChildView::Resize(double aX, double aY,
double aWidth, double aHeight, bool aRepaint)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
int32_t x = NSToIntRound(aX);
int32_t y = NSToIntRound(aY);
int32_t width = NSToIntRound(aWidth);
int32_t height = NSToIntRound(aHeight);
BOOL isMoving = (mBounds.x != x || mBounds.y != y);
BOOL isResizing = (mBounds.width != width || mBounds.height != height);
if (!mView || (!isMoving && !isResizing))
return NS_OK;
if (isMoving) {
mBounds.x = x;
mBounds.y = y;
}
if (isResizing) {
mBounds.width = width;
mBounds.height = height;
}
[mView setFrame:DevPixelsToCocoaPoints(mBounds)];
if (mVisible && aRepaint)
[mView setNeedsDisplay:YES];
NotifyRollupGeometryChange();
if (isMoving) {
ReportMoveEvent();
if (mOnDestroyCalled)
return NS_OK;
}
if (isResizing)
ReportSizeEvent();
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
static const int32_t resizeIndicatorWidth = 15;
static const int32_t resizeIndicatorHeight = 15;
bool nsChildView::ShowsResizeIndicator(nsIntRect* aResizerRect)
{
NSView *topLevelView = mView, *superView = nil;
while ((superView = [topLevelView superview]))
topLevelView = superView;
if (![[topLevelView window] showsResizeIndicator] ||
!([[topLevelView window] styleMask] & NSResizableWindowMask))
return false;
if (aResizerRect) {
NSSize bounds = [topLevelView bounds].size;
NSPoint corner = NSMakePoint(bounds.width, [topLevelView isFlipped] ? bounds.height : 0);
corner = [topLevelView convertPoint:corner toView:mView];
aResizerRect->SetRect(NSToIntRound(corner.x) - resizeIndicatorWidth,
NSToIntRound(corner.y) - resizeIndicatorHeight,
resizeIndicatorWidth, resizeIndicatorHeight);
}
return true;
}
// In QuickDraw mode the coordinate system used here should be that of the
// browser window's content region (defined as everything but the 22-pixel
// high titlebar). But in CoreGraphics mode the coordinate system should be
// that of the browser window as a whole (including its titlebar). Both
// coordinate systems have a top-left origin. See bmo bug 474491.
//
// There's a bug in this method's code -- it currently uses the QuickDraw
// coordinate system for both the QuickDraw and CoreGraphics drawing modes.
// This bug is fixed by the patch for bug 474491. But the Flash plugin (both
// version 10.0.12.36 from Adobe and version 9.0 r151 from Apple) has Mozilla-
// specific code to work around this bug, which breaks when we fix it (see bmo
// bug 477077). So we'll need to coordinate releasing a fix for this bug with
// Adobe and other major plugin vendors that support the CoreGraphics mode.
//
// outClipRect and outOrigin are in display pixels, not device pixels.
NS_IMETHODIMP nsChildView::GetPluginClipRect(nsIntRect& outClipRect, nsIntPoint& outOrigin, bool& outWidgetVisible)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_ASSERTION(mWindowType == eWindowType_plugin,
"GetPluginClipRect must only be called on a plugin widget");
if (mWindowType != eWindowType_plugin) return NS_ERROR_FAILURE;
NSWindow* window = [mView window];
if (!window) return NS_ERROR_FAILURE;
NSPoint viewOrigin = [mView convertPoint:NSZeroPoint toView:nil];
NSRect frame = [[window contentView] frame];
viewOrigin.y = frame.size.height - viewOrigin.y;
// set up the clipping region for plugins.
NSRect visibleBounds = [mView visibleRect];
NSPoint clipOrigin = [mView convertPoint:visibleBounds.origin toView:nil];
// Convert from cocoa to QuickDraw coordinates
clipOrigin.y = frame.size.height - clipOrigin.y;
outClipRect.x = NSToIntRound(clipOrigin.x);
outClipRect.y = NSToIntRound(clipOrigin.y);
// need to convert view's origin to window coordinates.
// then, encode as "SetOrigin" ready values.
outOrigin.x = -NSToIntRound(viewOrigin.x);
outOrigin.y = -NSToIntRound(viewOrigin.y);
if (IsVisible() && [mView window] != nil) {
outClipRect.width = NSToIntRound(visibleBounds.origin.x + visibleBounds.size.width) - NSToIntRound(visibleBounds.origin.x);
outClipRect.height = NSToIntRound(visibleBounds.origin.y + visibleBounds.size.height) - NSToIntRound(visibleBounds.origin.y);
if (mClipRects) {
nsIntRect clipBounds;
for (uint32_t i = 0; i < mClipRectCount; ++i) {
NSRect cocoaPoints = DevPixelsToCocoaPoints(mClipRects[i]);
clipBounds.UnionRect(clipBounds, nsIntRect(NSToIntRound(cocoaPoints.origin.x),
NSToIntRound(cocoaPoints.origin.y),
NSToIntRound(cocoaPoints.size.width),
NSToIntRound(cocoaPoints.size.height)));
}
outClipRect.IntersectRect(outClipRect, clipBounds - outOrigin);
}
// XXXroc should this be !outClipRect.IsEmpty()?
outWidgetVisible = true;
}
else {
outClipRect.width = 0;
outClipRect.height = 0;
outWidgetVisible = false;
}
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsChildView::StartDrawPlugin()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_ASSERTION(mWindowType == eWindowType_plugin,
"StartDrawPlugin must only be called on a plugin widget");
if (mWindowType != eWindowType_plugin) return NS_ERROR_FAILURE;
// This code is necessary for CoreGraphics in 32-bit builds.
// See comments below about why. In 64-bit CoreGraphics mode we will not keep
// this region up to date, plugins should not depend on it.
#ifndef __LP64__
NSWindow* window = [mView window];
if (!window)
return NS_ERROR_FAILURE;
// In QuickDraw drawing mode we used to prevent reentrant handling of any
// plugin event. But in CoreGraphics drawing mode only do this if the current
// plugin event isn't an update/paint event. This allows popupcontextmenu()
// to work properly from a plugin that supports the Cocoa event model,
// without regressing bug 409615. See bug 435041. (StartDrawPlugin() and
// EndDrawPlugin() wrap every call to nsIPluginInstance::HandleEvent() --
// not just calls that "draw" or paint.)
if (mIsDispatchPaint && mPluginDrawing) {
return NS_ERROR_FAILURE;
}
// It appears that the WindowRef from which we get the plugin port undergoes the
// traditional BeginUpdate/EndUpdate cycle, which, if you recall, sets the visible
// region to the intersection of the visible region and the update region. Since
// we don't know here if we're being drawn inside a BeginUpdate/EndUpdate pair
// (which seem to occur in [NSWindow display]), and we don't want to have the burden
// of correctly doing Carbon invalidates of the plugin rect, we manually set the
// visible region to be the entire port every time. It is necessary to set up our
// window's port even for CoreGraphics plugins, because they may still use Carbon
// internally (see bug #420527 for details).
//
// Don't use this code if any of the QuickDraw APIs it currently requires are
// missing (as they probably will be on OS X 10.8 and up).
if (::NewRgn && ::GetQDGlobalsThePort && ::GetGWorld && ::SetGWorld &&
::IsPortOffscreen && ::GetMainDevice && ::SetOrigin && ::RectRgn &&
::SetPortVisibleRegion && ::SetPortClipRegion && ::DisposeRgn) {
RgnHandle pluginRegion = ::NewRgn();
if (pluginRegion) {
CGrafPtr port = ::GetWindowPort(WindowRef([window windowRef]));
bool portChanged = (port != CGrafPtr(::GetQDGlobalsThePort()));
CGrafPtr oldPort;
GDHandle oldDevice;
if (portChanged) {
::GetGWorld(&oldPort, &oldDevice);
::SetGWorld(port, ::IsPortOffscreen(port) ? nullptr : ::GetMainDevice());
}
::SetOrigin(0, 0);
nsIntRect clipRect; // this is in native window coordinates
nsIntPoint origin;
bool visible;
GetPluginClipRect(clipRect, origin, visible);
// XXX if we're not visible, set an empty clip region?
Rect pluginRect;
ConvertGeckoRectToMacRect(clipRect, pluginRect);
::RectRgn(pluginRegion, &pluginRect);
::SetPortVisibleRegion(port, pluginRegion);
::SetPortClipRegion(port, pluginRegion);
// now set up the origin for the plugin
::SetOrigin(origin.x, origin.y);
::DisposeRgn(pluginRegion);
if (portChanged) {
::SetGWorld(oldPort, oldDevice);
}
}
}
#endif
mPluginDrawing = true;
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsChildView::EndDrawPlugin()
{
NS_ASSERTION(mWindowType == eWindowType_plugin,
"EndDrawPlugin must only be called on a plugin widget");
if (mWindowType != eWindowType_plugin) return NS_ERROR_FAILURE;
mPluginDrawing = false;
return NS_OK;
}
NS_IMETHODIMP nsChildView::SetPluginInstanceOwner(nsIPluginInstanceOwner* aInstanceOwner)
{
mPluginInstanceOwner = aInstanceOwner;
return NS_OK;
}
NS_IMETHODIMP nsChildView::SetPluginEventModel(int inEventModel)
{
[(ChildView*)mView setPluginEventModel:(NPEventModel)inEventModel];
return NS_OK;
}
NS_IMETHODIMP nsChildView::GetPluginEventModel(int* outEventModel)
{
*outEventModel = [(ChildView*)mView pluginEventModel];
return NS_OK;
}
NS_IMETHODIMP nsChildView::SetPluginDrawingModel(int inDrawingModel)
{
[(ChildView*)mView setPluginDrawingModel:(NPDrawingModel)inDrawingModel];
return NS_OK;
}
NS_IMETHODIMP nsChildView::StartComplexTextInputForCurrentEvent()
{
return mTextInputHandler->StartComplexTextInputForCurrentEvent();
}
nsresult nsChildView::SynthesizeNativeKeyEvent(int32_t aNativeKeyboardLayout,
int32_t aNativeKeyCode,
uint32_t aModifierFlags,
const nsAString& aCharacters,
const nsAString& aUnmodifiedCharacters)
{
return mTextInputHandler->SynthesizeNativeKeyEvent(aNativeKeyboardLayout,
aNativeKeyCode,
aModifierFlags,
aCharacters,
aUnmodifiedCharacters);
}
nsresult nsChildView::SynthesizeNativeMouseEvent(nsIntPoint aPoint,
uint32_t aNativeMessage,
uint32_t aModifierFlags)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
// Move the mouse cursor to the requested position and reconnect it to the mouse.
CGWarpMouseCursorPosition(CGPointMake(aPoint.x, aPoint.y));
CGAssociateMouseAndMouseCursorPosition(true);
// aPoint is given with the origin on the top left, but convertScreenToBase
// expects a point in a coordinate system that has its origin on the bottom left.
NSPoint screenPoint = NSMakePoint(aPoint.x, [[NSScreen mainScreen] frame].size.height - aPoint.y);
NSPoint windowPoint = [[mView window] convertScreenToBase:screenPoint];
NSEvent* event = [NSEvent mouseEventWithType:aNativeMessage
location:windowPoint
modifierFlags:aModifierFlags
timestamp:[NSDate timeIntervalSinceReferenceDate]
windowNumber:[[mView window] windowNumber]
context:nil
eventNumber:0
clickCount:1
pressure:0.0];
if (!event)
return NS_ERROR_FAILURE;
if ([[mView window] isKindOfClass:[BaseWindow class]]) {
// Tracking area events don't end up in their tracking areas when sent
// through [NSApp sendEvent:], so pass them directly to the right methods.
BaseWindow* window = (BaseWindow*)[mView window];
if (aNativeMessage == NSMouseEntered) {
[window mouseEntered:event];
return NS_OK;
}
if (aNativeMessage == NSMouseExited) {
[window mouseExited:event];
return NS_OK;
}
if (aNativeMessage == NSMouseMoved) {
[window mouseMoved:event];
return NS_OK;
}
}
[NSApp sendEvent:event];
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
// First argument has to be an NSMenu representing the application's top-level
// menu bar. The returned item is *not* retained.
static NSMenuItem* NativeMenuItemWithLocation(NSMenu* menubar, NSString* locationString)
{
NSArray* indexes = [locationString componentsSeparatedByString:@"|"];
unsigned int indexCount = [indexes count];
if (indexCount == 0)
return nil;
NSMenu* currentSubmenu = [NSApp mainMenu];
for (unsigned int i = 0; i < indexCount; i++) {
int targetIndex;
// We remove the application menu from consideration for the top-level menu
if (i == 0)
targetIndex = [[indexes objectAtIndex:i] intValue] + 1;
else
targetIndex = [[indexes objectAtIndex:i] intValue];
int itemCount = [currentSubmenu numberOfItems];
if (targetIndex < itemCount) {
NSMenuItem* menuItem = [currentSubmenu itemAtIndex:targetIndex];
// if this is the last index just return the menu item
if (i == (indexCount - 1))
return menuItem;
// if this is not the last index find the submenu and keep going
if ([menuItem hasSubmenu])
currentSubmenu = [menuItem submenu];
else
return nil;
}
}
return nil;
}
// Used for testing native menu system structure and event handling.
NS_IMETHODIMP nsChildView::ActivateNativeMenuItemAt(const nsAString& indexString)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NSString* locationString = [NSString stringWithCharacters:indexString.BeginReading() length:indexString.Length()];
NSMenuItem* item = NativeMenuItemWithLocation([NSApp mainMenu], locationString);
// We can't perform an action on an item with a submenu, that will raise
// an obj-c exception.
if (item && ![item hasSubmenu]) {
NSMenu* parent = [item menu];
if (parent) {
// NSLog(@"Performing action for native menu item titled: %@\n",
// [[currentSubmenu itemAtIndex:targetIndex] title]);
[parent performActionForItemAtIndex:[parent indexOfItem:item]];
return NS_OK;
}
}
return NS_ERROR_FAILURE;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
// Used for testing native menu system structure and event handling.
NS_IMETHODIMP nsChildView::ForceUpdateNativeMenuAt(const nsAString& indexString)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
nsCocoaWindow *widget = GetXULWindowWidget();
if (widget) {
nsMenuBarX* mb = widget->GetMenuBar();
if (mb) {
if (indexString.IsEmpty())
mb->ForceNativeMenuReload();
else
mb->ForceUpdateNativeMenuAt(indexString);
}
}
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
#pragma mark -
#ifdef INVALIDATE_DEBUGGING
static Boolean KeyDown(const UInt8 theKey)
{
KeyMap map;
GetKeys(map);
return ((*((UInt8 *)map + (theKey >> 3)) >> (theKey & 7)) & 1) != 0;
}
static Boolean caps_lock()
{
return KeyDown(0x39);
}
static void blinkRect(Rect* r)
{
StRegionFromPool oldClip;
if (oldClip != NULL)
::GetClip(oldClip);
::ClipRect(r);
::InvertRect(r);
UInt32 end = ::TickCount() + 5;
while (::TickCount() < end) ;
::InvertRect(r);
if (oldClip != NULL)
::SetClip(oldClip);
}
static void blinkRgn(RgnHandle rgn)
{
StRegionFromPool oldClip;
if (oldClip != NULL)
::GetClip(oldClip);
::SetClip(rgn);
::InvertRgn(rgn);
UInt32 end = ::TickCount() + 5;
while (::TickCount() < end) ;
::InvertRgn(rgn);
if (oldClip != NULL)
::SetClip(oldClip);
}
#endif
// Invalidate this component's visible area
NS_IMETHODIMP nsChildView::Invalidate(const nsIntRect &aRect)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
if (!mView || !mVisible)
return NS_OK;
if ([NSView focusView]) {
// if a view is focussed (i.e. being drawn), then postpone the invalidate so that we
// don't lose it.
[mView setNeedsPendingDisplayInRect:DevPixelsToCocoaPoints(aRect)];
}
else {
[mView setNeedsDisplayInRect:DevPixelsToCocoaPoints(aRect)];
}
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
bool
nsChildView::ComputeShouldAccelerate(bool aDefault)
{
// Don't use OpenGL for transparent windows or for popup windows.
if (!mView || ![[mView window] isOpaque] ||
[[mView window] isKindOfClass:[PopupWindow class]])
return false;
return nsBaseWidget::ComputeShouldAccelerate(aDefault);
}
bool
nsChildView::UseOffMainThreadCompositing()
{
// OMTC doesn't work with Basic Layers on OS X right now. Once it works, we'll
// still want to disable it for certain kinds of windows (e.g. popups).
return nsBaseWidget::UseOffMainThreadCompositing() &&
ComputeShouldAccelerate(mUseLayersAcceleration);
}
inline uint16_t COLOR8TOCOLOR16(uint8_t color8)
{
// return (color8 == 0xFF ? 0xFFFF : (color8 << 8));
return (color8 << 8) | color8; /* (color8 * 257) == (color8 * 0x0101) */
}
#pragma mark -
nsresult nsChildView::ConfigureChildren(const nsTArray<Configuration>& aConfigurations)
{
for (uint32_t i = 0; i < aConfigurations.Length(); ++i) {
const Configuration& config = aConfigurations[i];
nsChildView* child = static_cast<nsChildView*>(config.mChild);
#ifdef DEBUG
nsWindowType kidType;
child->GetWindowType(kidType);
#endif
NS_ASSERTION(kidType == eWindowType_plugin,
"Configured widget is not a plugin type");
NS_ASSERTION(child->GetParent() == this,
"Configured widget is not a child of the right widget");
// nsIWidget::Show() doesn't get called on plugin widgets unless we call
// it from here. See bug 592563.
child->Show(!config.mClipRegion.IsEmpty());
child->Resize(
config.mBounds.x, config.mBounds.y,
config.mBounds.width, config.mBounds.height,
false);
// Store the clip region here in case GetPluginClipRect needs it.
child->StoreWindowClipRegion(config.mClipRegion);
}
return NS_OK;
}
// Invokes callback and ProcessEvent methods on Event Listener object
NS_IMETHODIMP nsChildView::DispatchEvent(nsGUIEvent* event, nsEventStatus& aStatus)
{
#ifdef DEBUG
debug_DumpEvent(stdout, event->widget, event, nsAutoCString("something"), 0);
#endif
NS_ASSERTION(!(mTextInputHandler && mTextInputHandler->IsIMEComposing() &&
NS_IS_KEY_EVENT(event)),
"Any key events should not be fired during IME composing");
aStatus = nsEventStatus_eIgnore;
nsIWidgetListener* listener = mWidgetListener;
// If the listener is NULL, check if the parent is a popup. If it is, then
// this child is the popup content view attached to a popup. Get the
// listener from the parent popup instead.
nsCOMPtr<nsIWidget> kungFuDeathGrip = do_QueryInterface(mParentWidget ? mParentWidget : this);
if (!listener && mParentWidget) {
nsWindowType type;
mParentWidget->GetWindowType(type);
if (type == eWindowType_popup) {
// Check just in case event->widget isn't this widget
if (event->widget)
listener = event->widget->GetWidgetListener();
if (!listener) {
event->widget = mParentWidget;
listener = mParentWidget->GetWidgetListener();
}
}
}
if (listener)
aStatus = listener->HandleEvent(event, mUseAttachedEvents);
return NS_OK;
}
bool nsChildView::DispatchWindowEvent(nsGUIEvent &event)
{
nsEventStatus status;
DispatchEvent(&event, status);
return ConvertStatus(status);
}
bool nsChildView::PaintWindow(nsIntRegion aRegion, bool aIsAlternate)
{
nsCOMPtr<nsIWidget> widget = this;
// If there is no listener, use the parent popup's listener if that exists.
if (!mWidgetListener && mParentWidget) {
nsWindowType type;
mParentWidget->GetWindowType(type);
if (type == eWindowType_popup) {
widget = mParentWidget;
}
}
nsIWidgetListener* listener = widget->GetWidgetListener();
if (!listener)
return false;
bool returnValue = false;
bool oldDispatchPaint = mIsDispatchPaint;
mIsDispatchPaint = true;
uint32_t flags = 0;
if (aIsAlternate) {
flags |= nsIWidgetListener::PAINT_IS_ALTERNATE;
}
returnValue = listener->PaintWindow(widget, aRegion, flags);
listener = widget->GetWidgetListener();
if (listener) {
listener->DidPaintWindow();
}
mIsDispatchPaint = oldDispatchPaint;
return returnValue;
}
#pragma mark -
void nsChildView::ReportMoveEvent()
{
if (mWidgetListener)
mWidgetListener->WindowMoved(this, mBounds.x, mBounds.y);
}
void nsChildView::ReportSizeEvent()
{
if (mWidgetListener)
mWidgetListener->WindowResized(this, mBounds.width, mBounds.height);
}
#pragma mark -
// Return the offset between this child view and the screen.
// @return -- widget origin in device-pixel coords
nsIntPoint nsChildView::WidgetToScreenOffset()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
NSPoint origin = NSMakePoint(0, 0);
// 1. First translate view origin point into window coords.
// The returned point is in bottom-left coordinates.
origin = [mView convertPoint:origin toView:nil];
// 2. We turn the window-coord rect's origin into screen (still bottom-left) coords.
origin = [[mView window] convertBaseToScreen:origin];
// 3. Since we're dealing in bottom-left coords, we need to make it top-left coords
// before we pass it back to Gecko.
FlipCocoaScreenCoordinate(origin);
// convert to device pixels
return CocoaPointsToDevPixels(origin);
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(nsIntPoint(0,0));
}
NS_IMETHODIMP nsChildView::CaptureRollupEvents(nsIRollupListener * aListener,
bool aDoCapture)
{
// this never gets called, only top-level windows can be rollup widgets
return NS_OK;
}
NS_IMETHODIMP nsChildView::SetTitle(const nsAString& title)
{
// child views don't have titles
return NS_OK;
}
NS_IMETHODIMP nsChildView::GetAttention(int32_t aCycleCount)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
[NSApp requestUserAttention:NSInformationalRequest];
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
/* static */
bool nsChildView::DoHasPendingInputEvent()
{
return sLastInputEventCount != GetCurrentInputEventCount();
}
/* static */
uint32_t nsChildView::GetCurrentInputEventCount()
{
// Can't use kCGAnyInputEventType because that updates too rarely for us (and
// always in increments of 30+!) and because apparently it's sort of broken
// on Tiger. So just go ahead and query the counters we care about.
static const CGEventType eventTypes[] = {
kCGEventLeftMouseDown,
kCGEventLeftMouseUp,
kCGEventRightMouseDown,
kCGEventRightMouseUp,
kCGEventMouseMoved,
kCGEventLeftMouseDragged,
kCGEventRightMouseDragged,
kCGEventKeyDown,
kCGEventKeyUp,
kCGEventScrollWheel,
kCGEventTabletPointer,
kCGEventOtherMouseDown,
kCGEventOtherMouseUp,
kCGEventOtherMouseDragged
};
uint32_t eventCount = 0;
for (uint32_t i = 0; i < ArrayLength(eventTypes); ++i) {
eventCount +=
CGEventSourceCounterForEventType(kCGEventSourceStateCombinedSessionState,
eventTypes[i]);
}
return eventCount;
}
/* static */
void nsChildView::UpdateCurrentInputEventCount()
{
sLastInputEventCount = GetCurrentInputEventCount();
}
bool nsChildView::HasPendingInputEvent()
{
return DoHasPendingInputEvent();
}
#pragma mark -
// Force Input Method Editor to commit the uncommitted input
// Note that this and other IME methods don't necessarily
// get called on the same ChildView that input is going through.
NS_IMETHODIMP nsChildView::ResetInputState()
{
NS_ENSURE_TRUE(mTextInputHandler, NS_ERROR_NOT_AVAILABLE);
mTextInputHandler->CommitIMEComposition();
return NS_OK;
}
NS_IMETHODIMP_(void)
nsChildView::SetInputContext(const InputContext& aContext,
const InputContextAction& aAction)
{
NS_ENSURE_TRUE(mTextInputHandler, );
mInputContext = aContext;
switch (aContext.mIMEState.mEnabled) {
case IMEState::ENABLED:
case IMEState::PLUGIN:
mTextInputHandler->SetASCIICapableOnly(false);
mTextInputHandler->EnableIME(true);
if (mInputContext.mIMEState.mOpen != IMEState::DONT_CHANGE_OPEN_STATE) {
mTextInputHandler->SetIMEOpenState(
mInputContext.mIMEState.mOpen == IMEState::OPEN);
}
break;
case IMEState::DISABLED:
mTextInputHandler->SetASCIICapableOnly(false);
mTextInputHandler->EnableIME(false);
break;
case IMEState::PASSWORD:
mTextInputHandler->SetASCIICapableOnly(true);
mTextInputHandler->EnableIME(false);
break;
default:
NS_ERROR("not implemented!");
}
}
NS_IMETHODIMP_(InputContext)
nsChildView::GetInputContext()
{
switch (mInputContext.mIMEState.mEnabled) {
case IMEState::ENABLED:
case IMEState::PLUGIN:
if (mTextInputHandler) {
mInputContext.mIMEState.mOpen =
mTextInputHandler->IsIMEOpened() ? IMEState::OPEN : IMEState::CLOSED;
break;
}
// If mTextInputHandler is null, set CLOSED instead...
default:
mInputContext.mIMEState.mOpen = IMEState::CLOSED;
break;
}
mInputContext.mNativeIMEContext = [mView inputContext];
// If input context isn't available on this widget, we should set |this|
// instead of nullptr since nullptr means that the platform has only one
// context per process.
if (!mInputContext.mNativeIMEContext) {
mInputContext.mNativeIMEContext = this;
}
return mInputContext;
}
// Destruct and don't commit the IME composition string.
NS_IMETHODIMP nsChildView::CancelIMEComposition()
{
NS_ENSURE_TRUE(mTextInputHandler, NS_ERROR_NOT_AVAILABLE);
mTextInputHandler->CancelIMEComposition();
return NS_OK;
}
NS_IMETHODIMP nsChildView::GetToggledKeyState(uint32_t aKeyCode,
bool* aLEDState)
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
NS_ENSURE_ARG_POINTER(aLEDState);
uint32_t key;
switch (aKeyCode) {
case NS_VK_CAPS_LOCK:
key = alphaLock;
break;
case NS_VK_NUM_LOCK:
key = kEventKeyModifierNumLockMask;
break;
// Mac doesn't support SCROLL_LOCK state.
default:
return NS_ERROR_NOT_IMPLEMENTED;
}
uint32_t modifierFlags = ::GetCurrentKeyModifiers();
*aLEDState = (modifierFlags & key) != 0;
return NS_OK;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP nsChildView::OnIMEFocusChange(bool aFocus)
{
NS_ENSURE_TRUE(mTextInputHandler, NS_ERROR_NOT_AVAILABLE);
mTextInputHandler->OnFocusChangeInGecko(aFocus);
return NS_OK;
}
NSView<mozView>* nsChildView::GetEditorView()
{
NSView<mozView>* editorView = mView;
// We need to get editor's view. E.g., when the focus is in the bookmark
// dialog, the view is <panel> element of the dialog. At this time, the key
// events are processed the parent window's view that has native focus.
nsQueryContentEvent textContent(true, NS_QUERY_TEXT_CONTENT, this);
textContent.InitForQueryTextContent(0, 0);
DispatchWindowEvent(textContent);
if (textContent.mSucceeded && textContent.mReply.mFocusedWidget) {
NSView<mozView>* view = static_cast<NSView<mozView>*>(
textContent.mReply.mFocusedWidget->GetNativeData(NS_NATIVE_WIDGET));
if (view)
editorView = view;
}
return editorView;
}
#pragma mark -
void
nsChildView::CreateCompositor()
{
nsBaseWidget::CreateCompositor();
if (mCompositorChild) {
LayerManagerOGL *manager =
static_cast<LayerManagerOGL*>(compositor::GetLayerManager(mCompositorParent));
NSOpenGLContext *glContext = (NSOpenGLContext *)manager->GetNSOpenGLContext();
[(ChildView *)mView setGLContext:glContext];
[(ChildView *)mView setUsingOMTCompositor:true];
}
}
gfxASurface*
nsChildView::GetThebesSurface()
{
if (!mTempThebesSurface) {
mTempThebesSurface = new gfxQuartzSurface(gfxSize(1, 1), gfxASurface::ImageFormatARGB32);
}
return mTempThebesSurface;
}
static void
DrawResizer(CGContextRef aCtx)
{
CGContextSetShouldAntialias(aCtx, false);
CGPoint points[6];
points[0] = CGPointMake(13.0f, 4.0f);
points[1] = CGPointMake(3.0f, 14.0f);
points[2] = CGPointMake(13.0f, 8.0f);
points[3] = CGPointMake(7.0f, 14.0f);
points[4] = CGPointMake(13.0f, 12.0f);
points[5] = CGPointMake(11.0f, 14.0f);
CGContextSetRGBStrokeColor(aCtx, 0.00f, 0.00f, 0.00f, 0.15f);
CGContextStrokeLineSegments(aCtx, points, 6);
points[0] = CGPointMake(13.0f, 5.0f);
points[1] = CGPointMake(4.0f, 14.0f);
points[2] = CGPointMake(13.0f, 9.0f);
points[3] = CGPointMake(8.0f, 14.0f);
points[4] = CGPointMake(13.0f, 13.0f);
points[5] = CGPointMake(12.0f, 14.0f);
CGContextSetRGBStrokeColor(aCtx, 0.13f, 0.13f, 0.13f, 0.54f);
CGContextStrokeLineSegments(aCtx, points, 6);
points[0] = CGPointMake(13.0f, 6.0f);
points[1] = CGPointMake(5.0f, 14.0f);
points[2] = CGPointMake(13.0f, 10.0f);
points[3] = CGPointMake(9.0f, 14.0f);
points[5] = CGPointMake(13.0f, 13.9f);
points[4] = CGPointMake(13.0f, 14.0f);
CGContextSetRGBStrokeColor(aCtx, 0.84f, 0.84f, 0.84f, 0.55f);
CGContextStrokeLineSegments(aCtx, points, 6);
}
void
nsChildView::DrawWindowOverlay(LayerManager* aManager, nsIntRect aRect)
{
if (!ShowsResizeIndicator(nullptr)) {
return;
}
nsRefPtr<LayerManagerOGL> manager(static_cast<LayerManagerOGL*>(aManager));
if (!manager) {
return;
}
if (!mResizerImage) {
mResizerImage = TextureImage::Create(manager->gl(),
nsIntSize(15, 15),
gfxASurface::CONTENT_COLOR_ALPHA,
LOCAL_GL_CLAMP_TO_EDGE,
TextureImage::UseNearestFilter);
// Creation of texture images can fail.
if (!mResizerImage)
return;
nsIntRegion update(nsIntRect(0, 0, 15, 15));
gfxASurface *asurf = mResizerImage->BeginUpdate(update);
if (!asurf) {
mResizerImage = nullptr;
return;
}
NS_ABORT_IF_FALSE(asurf->GetType() == gfxASurface::SurfaceTypeQuartz,
"BeginUpdate must return a Quartz surface!");
nsRefPtr<gfxQuartzSurface> image = static_cast<gfxQuartzSurface*>(asurf);
DrawResizer(image->GetCGContext());
mResizerImage->EndUpdate();
}
NS_ABORT_IF_FALSE(mResizerImage, "Must have a texture allocated by now!");
float bottomX = aRect.x + aRect.width;
float bottomY = aRect.y + aRect.height;
TextureImage::ScopedBindTexture texBind(mResizerImage, LOCAL_GL_TEXTURE0);
ShaderProgramOGL *program =
manager->GetProgram(mResizerImage->GetShaderProgramType());
program->Activate();
program->SetLayerQuadRect(nsIntRect(bottomX - 15,
bottomY - 15,
15,
15));
program->SetLayerTransform(gfx3DMatrix());
program->SetLayerOpacity(1.0);
program->SetRenderOffset(nsIntPoint(0,0));
program->SetTextureUnit(0);
manager->BindAndDrawQuad(program);
}
void
nsChildView::UpdateThemeGeometries(const nsTArray<ThemeGeometry>& aThemeGeometries)
{
NSWindow* win = [mView window];
if (!win || ![win isKindOfClass:[ToolbarWindow class]])
return;
float unifiedToolbarHeight = 0;
nsIntRect topPixelStrip(0, 0, [win frame].size.width, 1);
for (uint32_t i = 0; i < aThemeGeometries.Length(); ++i) {
const ThemeGeometry& g = aThemeGeometries[i];
if ((g.mWidgetType == NS_THEME_MOZ_MAC_UNIFIED_TOOLBAR ||
g.mWidgetType == NS_THEME_TOOLBAR) &&
g.mRect.Contains(topPixelStrip)) {
unifiedToolbarHeight = g.mRect.YMost();
}
}
[(ToolbarWindow*)win
setUnifiedToolbarHeight:DevPixelsToCocoaPoints(unifiedToolbarHeight)];
}
NS_IMETHODIMP
nsChildView::BeginSecureKeyboardInput()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
nsresult rv = nsBaseWidget::BeginSecureKeyboardInput();
if (NS_SUCCEEDED(rv)) {
::EnableSecureEventInput();
}
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
NS_IMETHODIMP
nsChildView::EndSecureKeyboardInput()
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NSRESULT;
nsresult rv = nsBaseWidget::EndSecureKeyboardInput();
if (NS_SUCCEEDED(rv)) {
::DisableSecureEventInput();
}
return rv;
NS_OBJC_END_TRY_ABORT_BLOCK_NSRESULT;
}
#ifdef ACCESSIBILITY
already_AddRefed<a11y::Accessible>
nsChildView::GetDocumentAccessible()
{
if (!mozilla::a11y::ShouldA11yBeEnabled())
return nullptr;
a11y::Accessible* docAccessible = nullptr;
if (mAccessible) {
CallQueryReferent(mAccessible.get(), &docAccessible);
return docAccessible;
}
// need to fetch the accessible anew, because it has gone away.
// cache the accessible in our weak ptr
a11y::Accessible* acc = GetAccessible();
mAccessible = do_GetWeakReference(static_cast<nsIAccessible *>(acc));
NS_IF_ADDREF(acc);
return acc;
}
#endif
#pragma mark -
@implementation ChildView
// globalDragPboard is non-null during native drag sessions that did not originate
// in our native NSView (it is set in |draggingEntered:|). It is unset when the
// drag session ends for this view, either with the mouse exiting or when a drop
// occurs in this view.
NSPasteboard* globalDragPboard = nil;
// gLastDragView and gLastDragMouseDownEvent are used to communicate information
// to the drag service during drag invocation (starting a drag in from the view).
// gLastDragView is only non-null while mouseDragged is on the call stack.
NSView* gLastDragView = nil;
NSEvent* gLastDragMouseDownEvent = nil;
+ (void)initialize
{
static BOOL initialized = NO;
if (!initialized) {
// Inform the OS about the types of services (from the "Services" menu)
// that we can handle.
NSArray *sendTypes = [[NSArray alloc] initWithObjects:NSStringPboardType,NSHTMLPboardType,nil];
NSArray *returnTypes = [[NSArray alloc] initWithObjects:NSStringPboardType,NSHTMLPboardType,nil];
[NSApp registerServicesMenuSendTypes:sendTypes returnTypes:returnTypes];
[sendTypes release];
[returnTypes release];
initialized = YES;
}
}
// initWithFrame:geckoChild:
- (id)initWithFrame:(NSRect)inFrame geckoChild:(nsChildView*)inChild
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
if ((self = [super initWithFrame:inFrame])) {
mGeckoChild = inChild;
mIsPluginView = NO;
#ifndef NP_NO_CARBON
// We don't support the Carbon event model but it's still the default
// model for i386 per NPAPI.
mPluginEventModel = NPEventModelCarbon;
#else
mPluginEventModel = NPEventModelCocoa;
#endif
#ifndef NP_NO_QUICKDRAW
// We don't support the Quickdraw drawing model any more but it's still
// the default model for i386 per NPAPI.
mPluginDrawingModel = NPDrawingModelQuickDraw;
#else
mPluginDrawingModel = NPDrawingModelCoreGraphics;
#endif
mPendingDisplay = NO;
mBlockedLastMouseDown = NO;
mLastMouseDownEvent = nil;
mClickThroughMouseDownEvent = nil;
mDragService = nullptr;
mGestureState = eGestureState_None;
mCumulativeMagnification = 0.0;
mCumulativeRotation = 0.0;
// We can't call forceRefreshOpenGL here because, in order to work around
// the bug, it seems we need to have a draw already happening. Therefore,
// we call it in drawRect:inContext:, when we know that a draw is in
// progress.
mDidForceRefreshOpenGL = NO;
[self setFocusRingType:NSFocusRingTypeNone];
#ifdef __LP64__
mSwipeAnimationCancelled = nil;
#endif
}
// register for things we'll take from other applications
PR_LOG(sCocoaLog, PR_LOG_ALWAYS, ("ChildView initWithFrame: registering drag types\n"));
[self registerForDraggedTypes:[NSArray arrayWithObjects:NSFilenamesPboardType,
NSStringPboardType,
NSHTMLPboardType,
NSURLPboardType,
NSFilesPromisePboardType,
kWildcardPboardType,
kCorePboardType_url,
kCorePboardType_urld,
kCorePboardType_urln,
nil]];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(windowBecameMain:)
name:NSWindowDidBecomeMainNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(windowResignedMain:)
name:NSWindowDidResignMainNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(systemMetricsChanged)
name:NSControlTintDidChangeNotification
object:nil];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(systemMetricsChanged)
name:NSSystemColorsDidChangeNotification
object:nil];
[[NSDistributedNotificationCenter defaultCenter] addObserver:self
selector:@selector(systemMetricsChanged)
name:@"AppleAquaScrollBarVariantChanged"
object:nil
suspensionBehavior:NSNotificationSuspensionBehaviorDeliverImmediately];
[[NSNotificationCenter defaultCenter] addObserver:self
selector:@selector(_surfaceNeedsUpdate:)
name:NSViewGlobalFrameDidChangeNotification
object:self];
return self;
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (void)installTextInputHandler:(TextInputHandler*)aHandler
{
mTextInputHandler = aHandler;
}
- (void)uninstallTextInputHandler
{
mTextInputHandler = nullptr;
}
// Work around bug 603134.
// OS X has a bug that causes new OpenGL windows to only paint once or twice,
// then stop painting altogether. By clearing the drawable from the GL context,
// and then resetting the view to ourselves, we convince OS X to start updating
// again.
// This can cause a flash in new windows - bug 631339 - but it's very hard to
// fix that while maintaining this workaround.
- (void)forceRefreshOpenGL
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
[mGLContext clearDrawable];
[mGLContext setView:self];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)setGLContext:(NSOpenGLContext *)aGLContext
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
mGLContext = aGLContext;
[mGLContext retain];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)dealloc
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
[mGLContext release];
[mPendingDirtyRects release];
[mLastMouseDownEvent release];
[mClickThroughMouseDownEvent release];
ChildViewMouseTracker::OnDestroyView(self);
[[NSNotificationCenter defaultCenter] removeObserver:self];
[[NSDistributedNotificationCenter defaultCenter] removeObserver:self];
[super dealloc];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)updatePluginTopLevelWindowStatus:(BOOL)hasMain
{
if (!mGeckoChild)
return;
nsPluginEvent pluginEvent(true, NS_PLUGIN_FOCUS_EVENT, mGeckoChild);
NPCocoaEvent cocoaEvent;
nsCocoaUtils::InitNPCocoaEvent(&cocoaEvent);
cocoaEvent.type = NPCocoaEventWindowFocusChanged;
cocoaEvent.data.focus.hasFocus = hasMain;
nsCocoaUtils::InitPluginEvent(pluginEvent, cocoaEvent);
mGeckoChild->DispatchWindowEvent(pluginEvent);
}
- (void)windowBecameMain:(NSNotification*)inNotification
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (mIsPluginView && mPluginEventModel == NPEventModelCocoa) {
if ((NSWindow*)[inNotification object] == [self window]) {
[self updatePluginTopLevelWindowStatus:YES];
}
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)windowResignedMain:(NSNotification*)inNotification
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (mIsPluginView && mPluginEventModel == NPEventModelCocoa) {
if ((NSWindow*)[inNotification object] == [self window]) {
[self updatePluginTopLevelWindowStatus:NO];
}
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)widgetDestroyed
{
if (mTextInputHandler) {
mTextInputHandler->OnDestroyWidget(mGeckoChild);
mTextInputHandler = nullptr;
}
mGeckoChild = nullptr;
// Just in case we're destroyed abruptly and missed the draggingExited
// or performDragOperation message.
NS_IF_RELEASE(mDragService);
}
// mozView method, return our gecko child view widget. Note this does not AddRef.
- (nsIWidget*) widget
{
return static_cast<nsIWidget*>(mGeckoChild);
}
- (void)systemMetricsChanged
{
if (mGeckoChild)
mGeckoChild->NotifyThemeChanged();
}
- (void)setNeedsPendingDisplay
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
mPendingFullDisplay = YES;
if (!mPendingDisplay) {
[self performSelector:@selector(processPendingRedraws) withObject:nil afterDelay:0];
mPendingDisplay = YES;
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)setNeedsPendingDisplayInRect:(NSRect)invalidRect
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mPendingDirtyRects)
mPendingDirtyRects = [[NSMutableArray alloc] initWithCapacity:1];
[mPendingDirtyRects addObject:[NSValue valueWithRect:invalidRect]];
if (!mPendingDisplay) {
[self performSelector:@selector(processPendingRedraws) withObject:nil afterDelay:0];
mPendingDisplay = YES;
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// Clears the queue of any pending invalides
- (void)processPendingRedraws
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (mPendingFullDisplay) {
[self setNeedsDisplay:YES];
}
else if (mPendingDirtyRects) {
unsigned int count = [mPendingDirtyRects count];
for (unsigned int i = 0; i < count; ++i) {
[self setNeedsDisplayInRect:[[mPendingDirtyRects objectAtIndex:i] rectValue]];
}
}
mPendingFullDisplay = NO;
mPendingDisplay = NO;
[mPendingDirtyRects release];
mPendingDirtyRects = nil;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)setNeedsDisplayInRect:(NSRect)aRect
{
[super setNeedsDisplayInRect:aRect];
if ([[self window] isKindOfClass:[ToolbarWindow class]]) {
ToolbarWindow* window = (ToolbarWindow*)[self window];
if ([window drawsContentsIntoWindowFrame]) {
// Tell it to mark the rect in the titlebar as dirty.
NSView* borderView = [[window contentView] superview];
[window setTitlebarNeedsDisplayInRect:[self convertRect:aRect toView:borderView]];
}
}
}
- (NSString*)description
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
return [NSString stringWithFormat:@"ChildView %p, gecko child %p, frame %@", self, mGeckoChild, NSStringFromRect([self frame])];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
// Make the origin of this view the topLeft corner (gecko origin) rather
// than the bottomLeft corner (standard cocoa origin).
- (BOOL)isFlipped
{
return YES;
}
- (BOOL)isOpaque
{
return [[self window] isOpaque] && !mIsPluginView;
}
-(void)setIsPluginView:(BOOL)aIsPlugin
{
mIsPluginView = aIsPlugin;
}
-(BOOL)isPluginView
{
return mIsPluginView;
}
// Are we processing an NSLeftMouseDown event that will fail to click through?
// If so, we shouldn't focus or unfocus a plugin.
- (BOOL)isInFailingLeftClickThrough
{
if (!mGeckoChild)
return NO;
if (!mClickThroughMouseDownEvent ||
[mClickThroughMouseDownEvent type] != NSLeftMouseDown)
return NO;
BOOL retval =
!ChildViewMouseTracker::WindowAcceptsEvent([self window],
mClickThroughMouseDownEvent,
self, true);
// If we return YES here, this will result in us not being focused,
// which will stop us receiving mClickThroughMouseDownEvent in
// [ChildView mouseDown:]. So we need to release and null-out
// mClickThroughMouseDownEvent here.
if (retval) {
[mClickThroughMouseDownEvent release];
mClickThroughMouseDownEvent = nil;
}
return retval;
}
- (void)setPluginEventModel:(NPEventModel)eventModel
{
mPluginEventModel = eventModel;
}
- (void)setPluginDrawingModel:(NPDrawingModel)drawingModel
{
mPluginDrawingModel = drawingModel;
}
- (NPEventModel)pluginEventModel
{
return mPluginEventModel;
}
- (NPDrawingModel)pluginDrawingModel
{
return mPluginDrawingModel;
}
- (void)sendFocusEvent:(uint32_t)eventType
{
if (!mGeckoChild)
return;
nsEventStatus status = nsEventStatus_eIgnore;
nsGUIEvent focusGuiEvent(true, eventType, mGeckoChild);
focusGuiEvent.time = PR_IntervalNow();
mGeckoChild->DispatchEvent(&focusGuiEvent, status);
}
// We accept key and mouse events, so don't keep passing them up the chain. Allow
// this to be a 'focused' widget for event dispatch.
- (BOOL)acceptsFirstResponder
{
return YES;
}
// Accept mouse down events on background windows
- (BOOL)acceptsFirstMouse:(NSEvent*)aEvent
{
if (![[self window] isKindOfClass:[PopupWindow class]]) {
// We rely on this function to tell us that the mousedown was on a
// background window. Inside mouseDown we can't tell whether we were
// inactive because at that point we've already been made active.
// Unfortunately, acceptsFirstMouse is called for PopupWindows even when
// their parent window is active, so ignore this on them for now.
mClickThroughMouseDownEvent = [aEvent retain];
}
return YES;
}
- (void)viewWillMoveToWindow:(NSWindow *)newWindow
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!newWindow)
HideChildPluginViews(self);
[super viewWillMoveToWindow:newWindow];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)viewDidMoveToWindow
{
if (mPluginEventModel == NPEventModelCocoa &&
[self window] && [self isPluginView] && mGeckoChild) {
mGeckoChild->UpdatePluginPort();
}
[super viewDidMoveToWindow];
}
- (void)scrollRect:(NSRect)aRect by:(NSSize)offset
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
// Update any pending dirty rects to reflect the new scroll position
if (mPendingDirtyRects) {
unsigned int count = [mPendingDirtyRects count];
for (unsigned int i = 0; i < count; ++i) {
NSRect oldRect = [[mPendingDirtyRects objectAtIndex:i] rectValue];
NSRect newRect = NSOffsetRect(oldRect, offset.width, offset.height);
[mPendingDirtyRects replaceObjectAtIndex:i
withObject:[NSValue valueWithRect:newRect]];
}
}
[super scrollRect:aRect by:offset];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (BOOL)mouseDownCanMoveWindow
{
return NO;
}
- (void)lockFocus
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
[super lockFocus];
if (mGLContext) {
if ([mGLContext view] != self) {
[mGLContext setView:self];
}
[mGLContext makeCurrentContext];
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
-(void)update
{
if (mGLContext) {
[mGLContext update];
}
}
- (void) _surfaceNeedsUpdate:(NSNotification*)notification
{
[self update];
}
- (BOOL)wantsBestResolutionOpenGLSurface
{
return nsCocoaUtils::HiDPIEnabled() ? YES : NO;
}
- (void)viewDidChangeBackingProperties
{
[super viewDidChangeBackingProperties];
if (mGeckoChild) {
// actually, it could be the color space that's changed,
// but we can't tell the difference here except by retrieving
// the backing scale factor and comparing to the old value
mGeckoChild->BackingScaleFactorChanged();
}
}
- (void)drawTitlebar:(NSRect)aRect inTitlebarContext:(CGContextRef)aContext
{
if (mGeckoChild) {
gfxSize size(aRect.size.width, aRect.size.height);
mGeckoChild->CompositeTitlebar(size, aContext);
}
}
// The display system has told us that a portion of our view is dirty. Tell
// gecko to paint it
- (void)drawRect:(NSRect)aRect
{
CGContextRef cgContext = (CGContextRef)[[NSGraphicsContext currentContext] graphicsPort];
[self drawRect:aRect inContext:cgContext alternate:false];
// If we're a transparent window and our contents have changed, we need
// to make sure the shadow is updated to the new contents.
if ([[self window] isKindOfClass:[BaseWindow class]]) {
[(BaseWindow*)[self window] deferredInvalidateShadow];
}
}
- (void)drawRect:(NSRect)aRect inTitlebarContext:(CGContextRef)aContext
{
if (!mGeckoChild)
return;
// Title bar drawing only works if we really draw into aContext, which only
// the basic layer manager will do.
nsBaseWidget::AutoUseBasicLayerManager setupLayerManager(mGeckoChild);
[self drawRect:aRect inContext:aContext alternate:true];
}
- (void)drawRect:(NSRect)aRect inContext:(CGContextRef)aContext alternate:(BOOL)aIsAlternate
{
SAMPLE_LABEL("widget", "ChildView::drawRect");
if (!mGeckoChild || !mGeckoChild->IsVisible())
return;
// Don't ever draw plugin views explicitly; they'll be drawn as part of their parent widget.
if (mIsPluginView)
return;
#ifdef DEBUG_UPDATE
nsIntRect geckoBounds;
mGeckoChild->GetBounds(geckoBounds);
fprintf (stderr, "---- Update[%p][%p] [%f %f %f %f] cgc: %p\n gecko bounds: [%d %d %d %d]\n",
self, mGeckoChild,
aRect.origin.x, aRect.origin.y, aRect.size.width, aRect.size.height, aContext,
geckoBounds.x, geckoBounds.y, geckoBounds.width, geckoBounds.height);
CGAffineTransform xform = CGContextGetCTM(aContext);
fprintf (stderr, " xform in: [%f %f %f %f %f %f]\n", xform.a, xform.b, xform.c, xform.d, xform.tx, xform.ty);
#endif
nsIntRegion region;
nsIntRect boundingRect = mGeckoChild->CocoaPointsToDevPixels(aRect);
const NSRect *rects;
NSInteger count, i;
[[NSView focusView] getRectsBeingDrawn:&rects count:&count];
if (count < MAX_RECTS_IN_REGION && !aIsAlternate) {
for (i = 0; i < count; ++i) {
// Add the rect to the region.
NSRect r = [self convertRect:rects[i] fromView:[NSView focusView]];
region.Or(region, mGeckoChild->CocoaPointsToDevPixels(r));
}
region.And(region, boundingRect);
} else {
region = boundingRect;
}
LayerManager *layerManager = mGeckoChild->GetLayerManager(nullptr);
if (layerManager->GetBackendType() == mozilla::layers::LAYERS_OPENGL) {
NSOpenGLContext *glContext;
LayerManagerOGL *manager = static_cast<LayerManagerOGL*>(layerManager);
manager->SetClippingRegion(region);
glContext = (NSOpenGLContext *)manager->GetNSOpenGLContext();
if (!mGLContext) {
[self setGLContext:glContext];
}
[glContext setView:self];
[glContext update];
mGeckoChild->PaintWindow(region, aIsAlternate);
// Force OpenGL to refresh the very first time we draw. This works around a
// Mac OS X bug that stops windows updating on OS X when we use OpenGL.
if (!mDidForceRefreshOpenGL) {
[self performSelector:@selector(forceRefreshOpenGL) withObject:nil afterDelay:0];
mDidForceRefreshOpenGL = YES;
}
return;
}
// Create Cairo objects.
// The CGContext that drawRect supplies us with comes with a transform that
// scales one user space unit to one Cocoa point, which can consist of
// multiple dev pixels. But Gecko expects its supplied context to be scaled
// to device pixels, so we need to reverse the scaling.
double scale = mGeckoChild->BackingScaleFactor();
CGContextScaleCTM(aContext, 1.0 / scale, 1.0 / scale);
NSSize viewSize = [self bounds].size;
nsIntSize backingSize(viewSize.width * scale, viewSize.height * scale);
nsRefPtr<gfxQuartzSurface> targetSurface =
new gfxQuartzSurface(aContext, backingSize);
targetSurface->SetAllowUseAsSource(false);
nsRefPtr<gfxContext> targetContext = new gfxContext(targetSurface);
gfxContextMatrixAutoSaveRestore save(targetContext);
// Set up the clip region.
nsIntRegionRectIterator iter(region);
targetContext->NewPath();
for (;;) {
const nsIntRect* r = iter.Next();
if (!r)
break;
targetContext->Rectangle(gfxRect(r->x, r->y, r->width, r->height));
}
targetContext->Clip();
nsAutoRetainCocoaObject kungFuDeathGrip(self);
bool painted;
{
nsBaseWidget::AutoLayerManagerSetup
setupLayerManager(mGeckoChild, targetContext, BUFFER_NONE);
painted = mGeckoChild->PaintWindow(region, aIsAlternate);
}
// Force OpenGL to refresh the very first time we draw. This works around a
// Mac OS X bug that stops windows updating on OS X when we use OpenGL.
if (painted && !mDidForceRefreshOpenGL &&
layerManager->AsShadowManager() && mUsingOMTCompositor) {
if (!mDidForceRefreshOpenGL) {
[self performSelector:@selector(forceRefreshOpenGL) withObject:nil afterDelay:0];
mDidForceRefreshOpenGL = YES;
}
}
if (!painted && [self isOpaque]) {
// Gecko refused to draw, but we've claimed to be opaque, so we have to
// draw something--fill with white.
CGContextSetRGBFillColor(aContext, 1, 1, 1, 1);
CGContextFillRect(aContext, NSRectToCGRect(aRect));
}
// note that the cairo surface *MUST* be destroyed at this point,
// or bad things will happen (since we can't keep the cgContext around
// beyond this drawRect message handler)
#ifdef DEBUG_UPDATE
fprintf (stderr, "---- update done ----\n");
#if 0
CGContextSetRGBStrokeColor (aContext,
((((unsigned long)self) & 0xff)) / 255.0,
((((unsigned long)self) & 0xff00) >> 8) / 255.0,
((((unsigned long)self) & 0xff0000) >> 16) / 255.0,
0.5);
#endif
CGContextSetRGBStrokeColor(aContext, 1, 0, 0, 0.8);
CGContextSetLineWidth(aContext, 4.0);
CGContextStrokeRect(aContext, NSRectToCGRect(aRect));
#endif
}
- (void)releaseWidgets:(NSArray*)aWidgetArray
{
if (!aWidgetArray) {
return;
}
NSInteger count = [aWidgetArray count];
for (NSInteger i = 0; i < count; ++i) {
NSNumber* pointer = (NSNumber*) [aWidgetArray objectAtIndex:i];
nsIWidget* widget = (nsIWidget*) [pointer unsignedIntegerValue];
NS_RELEASE(widget);
}
}
- (void)viewWillDraw
{
if (mGeckoChild) {
// The OS normally *will* draw our NSWindow, no matter what we do here.
// But Gecko can delete our parent widget(s) (along with mGeckoChild)
// while processing a paint request, which closes our NSWindow and
// makes the OS throw an NSInternalInconsistencyException assertion when
// it tries to draw it. Sometimes the OS also aborts the browser process.
// So we need to retain our parent(s) here and not release it/them until
// the next time through the main thread's run loop. When we do this we
// also need to retain and release mGeckoChild, which holds a strong
// reference to us (otherwise we might have been deleted by the time
// releaseWidgets: is called on us). See bug 550392.
nsIWidget* parent = mGeckoChild->GetParent();
if (parent) {
NSMutableArray* widgetArray = [NSMutableArray arrayWithCapacity:3];
while (parent) {
NS_ADDREF(parent);
[widgetArray addObject:[NSNumber numberWithUnsignedInteger:(NSUInteger)parent]];
parent = parent->GetParent();
}
NS_ADDREF(mGeckoChild);
[widgetArray addObject:[NSNumber numberWithUnsignedInteger:(NSUInteger)mGeckoChild]];
[self performSelector:@selector(releaseWidgets:)
withObject:widgetArray
afterDelay:0];
}
nsIWidgetListener* listener = mGeckoChild->GetWidgetListener();
if (listener) {
listener->WillPaintWindow(mGeckoChild);
}
}
[super viewWillDraw];
}
// Allows us to turn off setting up the clip region
// before each drawRect. We already clip within gecko.
- (BOOL)wantsDefaultClipping
{
return NO;
}
#if USE_CLICK_HOLD_CONTEXTMENU
//
// -clickHoldCallback:
//
// called from a timer two seconds after a mouse down to see if we should display
// a context menu (click-hold). |anEvent| is the original mouseDown event. If we're
// still in that mouseDown by this time, put up the context menu, otherwise just
// fuhgeddaboutit. |anEvent| has been retained by the OS until after this callback
// fires so we're ok there.
//
// This code currently messes in a bunch of edge cases (bugs 234751, 232964, 232314)
// so removing it until we get it straightened out.
//
- (void)clickHoldCallback:(id)theEvent;
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if( theEvent == [NSApp currentEvent] ) {
// we're still in the middle of the same mousedown event here, activate
// click-hold context menu by triggering the right mouseDown action.
NSEvent* clickHoldEvent = [NSEvent mouseEventWithType:NSRightMouseDown
location:[theEvent locationInWindow]
modifierFlags:[theEvent modifierFlags]
timestamp:[theEvent timestamp]
windowNumber:[theEvent windowNumber]
context:[theEvent context]
eventNumber:[theEvent eventNumber]
clickCount:[theEvent clickCount]
pressure:[theEvent pressure]];
[self rightMouseDown:clickHoldEvent];
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
#endif
// If we've just created a non-native context menu, we need to mark it as
// such and let the OS (and other programs) know when it opens and closes
// (this is how the OS knows to close other programs' context menus when
// ours open). We send the initial notification here, but others are sent
// in nsCocoaWindow::Show().
- (void)maybeInitContextMenuTracking
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
#ifdef MOZ_USE_NATIVE_POPUP_WINDOWS
return;
#endif /* MOZ_USE_NATIVE_POPUP_WINDOWS */
nsIRollupListener* rollupListener = nsBaseWidget::GetActiveRollupListener();
NS_ENSURE_TRUE_VOID(rollupListener);
nsCOMPtr<nsIWidget> widget = rollupListener->GetRollupWidget();
NS_ENSURE_TRUE_VOID(widget);
NSWindow *popupWindow = (NSWindow*)widget->GetNativeData(NS_NATIVE_WINDOW);
if (!popupWindow || ![popupWindow isKindOfClass:[PopupWindow class]])
return;
[[NSDistributedNotificationCenter defaultCenter]
postNotificationName:@"com.apple.HIToolbox.beginMenuTrackingNotification"
object:@"org.mozilla.gecko.PopupWindow"];
[(PopupWindow*)popupWindow setIsContextMenu:YES];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// Returns true if the event should no longer be processed, false otherwise.
// This does not return whether or not anything was rolled up.
- (BOOL)maybeRollup:(NSEvent*)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
BOOL consumeEvent = NO;
nsIRollupListener* rollupListener = nsBaseWidget::GetActiveRollupListener();
NS_ENSURE_TRUE(rollupListener, false);
nsCOMPtr<nsIWidget> rollupWidget = rollupListener->GetRollupWidget();
if (rollupWidget) {
NSWindow* currentPopup = static_cast<NSWindow*>(rollupWidget->GetNativeData(NS_NATIVE_WINDOW));
if (!nsCocoaUtils::IsEventOverWindow(theEvent, currentPopup)) {
// event is not over the rollup window, default is to roll up
bool shouldRollup = true;
// check to see if scroll events should roll up the popup
if ([theEvent type] == NSScrollWheel) {
shouldRollup = rollupListener->ShouldRollupOnMouseWheelEvent();
// always consume scroll events that aren't over the popup
consumeEvent = YES;
}
// if we're dealing with menus, we probably have submenus and
// we don't want to rollup if the click is in a parent menu of
// the current submenu
uint32_t popupsToRollup = UINT32_MAX;
nsAutoTArray<nsIWidget*, 5> widgetChain;
uint32_t sameTypeCount = rollupListener->GetSubmenuWidgetChain(&widgetChain);
for (uint32_t i = 0; i < widgetChain.Length(); i++) {
nsIWidget* widget = widgetChain[i];
NSWindow* currWindow = (NSWindow*)widget->GetNativeData(NS_NATIVE_WINDOW);
if (nsCocoaUtils::IsEventOverWindow(theEvent, currWindow)) {
// don't roll up if the mouse event occurred within a menu of the
// same type. If the mouse event occurred in a menu higher than
// that, roll up, but pass the number of popups to Rollup so
// that only those of the same type close up.
if (i < sameTypeCount) {
shouldRollup = false;
}
else {
popupsToRollup = sameTypeCount;
}
break;
}
}
if (shouldRollup) {
consumeEvent = (BOOL)rollupListener->Rollup(popupsToRollup, nullptr);
}
}
}
return consumeEvent;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NO);
}
/*
* XXX - The swipeWithEvent, beginGestureWithEvent, magnifyWithEvent,
* rotateWithEvent, and endGestureWithEvent methods are part of a
* PRIVATE interface exported by nsResponder and reverse-engineering
* was necessary to obtain the methods' prototypes. Thus, Apple may
* change the interface in the future without notice.
*
* The prototypes were obtained from the following link:
* http://cocoadex.com/2008/02/nsevent-modifications-swipe-ro.html
*/
- (void)swipeWithEvent:(NSEvent *)anEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!anEvent || !mGeckoChild)
return;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
float deltaX = [anEvent deltaX]; // left=1.0, right=-1.0
float deltaY = [anEvent deltaY]; // up=1.0, down=-1.0
// Setup the "swipe" event.
nsSimpleGestureEvent geckoEvent(true, NS_SIMPLE_GESTURE_SWIPE, mGeckoChild, 0, 0.0);
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoEvent];
// Record the left/right direction.
if (deltaX > 0.0)
geckoEvent.direction |= nsIDOMSimpleGestureEvent::DIRECTION_LEFT;
else if (deltaX < 0.0)
geckoEvent.direction |= nsIDOMSimpleGestureEvent::DIRECTION_RIGHT;
// Record the up/down direction.
if (deltaY > 0.0)
geckoEvent.direction |= nsIDOMSimpleGestureEvent::DIRECTION_UP;
else if (deltaY < 0.0)
geckoEvent.direction |= nsIDOMSimpleGestureEvent::DIRECTION_DOWN;
// Send the event.
mGeckoChild->DispatchWindowEvent(geckoEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)beginGestureWithEvent:(NSEvent *)anEvent
{
NS_ASSERTION(mGestureState == eGestureState_None, "mGestureState should be eGestureState_None");
if (!anEvent)
return;
mGestureState = eGestureState_StartGesture;
mCumulativeMagnification = 0;
mCumulativeRotation = 0.0;
}
- (void)magnifyWithEvent:(NSEvent *)anEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!anEvent || !mGeckoChild)
return;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
float deltaZ = [anEvent deltaZ];
uint32_t msg;
switch (mGestureState) {
case eGestureState_StartGesture:
msg = NS_SIMPLE_GESTURE_MAGNIFY_START;
mGestureState = eGestureState_MagnifyGesture;
break;
case eGestureState_MagnifyGesture:
msg = NS_SIMPLE_GESTURE_MAGNIFY_UPDATE;
break;
case eGestureState_None:
case eGestureState_RotateGesture:
default:
return;
}
// Setup the event.
nsSimpleGestureEvent geckoEvent(true, msg, mGeckoChild, 0, deltaZ);
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoEvent];
// Send the event.
mGeckoChild->DispatchWindowEvent(geckoEvent);
// Keep track of the cumulative magnification for the final "magnify" event.
mCumulativeMagnification += deltaZ;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)rotateWithEvent:(NSEvent *)anEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!anEvent || !mGeckoChild)
return;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
float rotation = [anEvent rotation];
uint32_t msg;
switch (mGestureState) {
case eGestureState_StartGesture:
msg = NS_SIMPLE_GESTURE_ROTATE_START;
mGestureState = eGestureState_RotateGesture;
break;
case eGestureState_RotateGesture:
msg = NS_SIMPLE_GESTURE_ROTATE_UPDATE;
break;
case eGestureState_None:
case eGestureState_MagnifyGesture:
default:
return;
}
// Setup the event.
nsSimpleGestureEvent geckoEvent(true, msg, mGeckoChild, 0, 0.0);
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoEvent];
geckoEvent.delta = -rotation;
if (rotation > 0.0) {
geckoEvent.direction = nsIDOMSimpleGestureEvent::ROTATION_COUNTERCLOCKWISE;
} else {
geckoEvent.direction = nsIDOMSimpleGestureEvent::ROTATION_CLOCKWISE;
}
// Send the event.
mGeckoChild->DispatchWindowEvent(geckoEvent);
// Keep track of the cumulative rotation for the final "rotate" event.
mCumulativeRotation += rotation;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)endGestureWithEvent:(NSEvent *)anEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!anEvent || !mGeckoChild) {
// Clear the gestures state if we cannot send an event.
mGestureState = eGestureState_None;
mCumulativeMagnification = 0.0;
mCumulativeRotation = 0.0;
return;
}
nsAutoRetainCocoaObject kungFuDeathGrip(self);
switch (mGestureState) {
case eGestureState_MagnifyGesture:
{
// Setup the "magnify" event.
nsSimpleGestureEvent geckoEvent(true, NS_SIMPLE_GESTURE_MAGNIFY,
mGeckoChild, 0, mCumulativeMagnification);
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoEvent];
// Send the event.
mGeckoChild->DispatchWindowEvent(geckoEvent);
}
break;
case eGestureState_RotateGesture:
{
// Setup the "rotate" event.
nsSimpleGestureEvent geckoEvent(true, NS_SIMPLE_GESTURE_ROTATE, mGeckoChild, 0, 0.0);
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoEvent];
geckoEvent.delta = -mCumulativeRotation;
if (mCumulativeRotation > 0.0) {
geckoEvent.direction = nsIDOMSimpleGestureEvent::ROTATION_COUNTERCLOCKWISE;
} else {
geckoEvent.direction = nsIDOMSimpleGestureEvent::ROTATION_CLOCKWISE;
}
// Send the event.
mGeckoChild->DispatchWindowEvent(geckoEvent);
}
break;
case eGestureState_None:
case eGestureState_StartGesture:
default:
break;
}
// Clear the gestures state.
mGestureState = eGestureState_None;
mCumulativeMagnification = 0.0;
mCumulativeRotation = 0.0;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// Support fluid swipe tracking on OS X 10.7 and higher. We must be careful
// to only invoke this support on a horizontal two-finger gesture that really
// is a swipe (and not a scroll) -- in other words, the app is responsible
// for deciding which is which. But once the decision is made, the OS tracks
// the swipe until it has finished, and decides whether or not it succeeded.
// A swipe has the same functionality as the Back and Forward buttons. For
// now swipe animation is unsupported (e.g. no bounces). This method is
// partly based on Apple sample code available at
// http://developer.apple.com/library/mac/#releasenotes/Cocoa/AppKit.html
// (under Fluid Swipe Tracking API).
#ifdef __LP64__
- (void)maybeTrackScrollEventAsSwipe:(NSEvent *)anEvent
scrollOverflow:(double)overflow
{
if (!nsCocoaFeatures::OnLionOrLater()) {
return;
}
// This method checks whether the AppleEnableSwipeNavigateWithScrolls global
// preference is set. If it isn't, fluid swipe tracking is disabled, and a
// horizontal two-finger gesture is always a scroll (even in Safari). This
// preference can't (currently) be set from the Preferences UI -- only using
// 'defaults write'.
if (![NSEvent isSwipeTrackingFromScrollEventsEnabled]) {
return;
}
if ([anEvent type] != NSScrollWheel) {
return;
}
// If a swipe is currently being tracked kill it -- it's been interrupted by
// another gesture or legacy scroll wheel event.
if (mSwipeAnimationCancelled && (*mSwipeAnimationCancelled == NO)) {
*mSwipeAnimationCancelled = YES;
mSwipeAnimationCancelled = nil;
}
// Only initiate tracking if the user has tried to scroll past the edge of
// the current page (as indicated by 'overflow' being non-zero). Gecko only
// sets nsMouseScrollEvent.scrollOverflow when it's processing
// NS_MOUSE_PIXEL_SCROLL events (not NS_MOUSE_SCROLL events).
// nsMouseScrollEvent.scrollOverflow only indicates left or right overflow
// for horizontal NS_MOUSE_PIXEL_SCROLL events.
if (!overflow) {
return;
}
// Only initiate tracking for gestures that have just begun -- otherwise a
// scroll to one side of the page can have a swipe tacked on to it.
if ([anEvent phase] != NSEventPhaseBegan) {
return;
}
CGFloat deltaX, deltaY;
if ([anEvent hasPreciseScrollingDeltas]) {
deltaX = [anEvent scrollingDeltaX];
deltaY = [anEvent scrollingDeltaY];
} else {
deltaX = [anEvent deltaX];
deltaY = [anEvent deltaY];
}
// Only initiate tracking for events whose horizontal element is at least
// eight times larger than its vertical element. This minimizes performance
// problems with vertical scrolls (by minimizing the possibility that they'll
// be misinterpreted as horizontal swipes), while still tolerating a small
// vertical element to a true horizontal swipe. The number '8' was arrived
// at by trial and error.
if ((deltaX == 0) || (fabs(deltaX) <= fabs(deltaY) * 8)) {
return;
}
__block BOOL animationCancelled = NO;
__block BOOL geckoSwipeEventSent = NO;
// At this point, anEvent is the first scroll wheel event in a two-finger
// horizontal gesture that we've decided to treat as a swipe. When we call
// [NSEvent trackSwipeEventWithOptions:...], the OS interprets all
// subsequent scroll wheel events that are part of this gesture as a swipe,
// and stops sending them to us. The OS calls the trackingHandler "block"
// multiple times, asynchronously (sometimes after [NSEvent
// maybeTrackScrollEventAsSwipe:...] has returned). The OS determines when
// the gesture has finished, and whether or not it was "successful" -- this
// information is passed to trackingHandler. We must be careful to only
// call [NSEvent maybeTrackScrollEventAsSwipe:...] on a "real" swipe --
// otherwise two-finger scrolling performance will suffer significantly.
// Note that we use anEvent inside the block. This extends the lifetime of
// the anEvent object because it's retained by the block, see bug 682445.
// The block will release it when the block goes away at the end of the
// animation, or when the animation is canceled.
[anEvent trackSwipeEventWithOptions:0
dampenAmountThresholdMin:-1
max:1
usingHandler:^(CGFloat gestureAmount, NSEventPhase phase, BOOL isComplete, BOOL *stop) {
// Since this tracking handler can be called asynchronously, mGeckoChild
// might have become NULL here (our child widget might have been
// destroyed).
if (animationCancelled || !mGeckoChild) {
*stop = YES;
return;
}
// gestureAmount is documented to be '-1', '0' or '1' when isComplete
// is TRUE, but the docs don't say anything about its value at other
// times. However, tests show that, when phase == NSEventPhaseEnded,
// gestureAmount is negative when it will be '-1' at isComplete, and
// positive when it will be '1'. And phase is never equal to
// NSEventPhaseEnded when gestureAmount will be '0' at isComplete.
// Not waiting until isComplete is TRUE substantially reduces the
// time it takes to change pages after a swipe, and helps resolve
// bug 678891.
if (phase == NSEventPhaseEnded && !geckoSwipeEventSent) {
if (gestureAmount) {
nsSimpleGestureEvent geckoEvent(true, NS_SIMPLE_GESTURE_SWIPE, mGeckoChild, 0, 0.0);
[self convertCocoaMouseEvent:anEvent toGeckoEvent:&geckoEvent];
if (gestureAmount > 0) {
geckoEvent.direction |= nsIDOMSimpleGestureEvent::DIRECTION_LEFT;
} else {
geckoEvent.direction |= nsIDOMSimpleGestureEvent::DIRECTION_RIGHT;
}
// If DispatchWindowEvent() does something to trigger a modal dialog
// (which spins the event loop), the OS gets confused and makes
// several re-entrant calls to this handler, all of which have
// 'phase' set to NSEventPhaseEnded. Unless we do something about
// it, this results in an equal number of re-entrant calls to
// DispatchWindowEvent(), and to our modal-event handling code.
// Probably because of bug 478703, this really messes things up,
// and requires a force quit to get out of. We avoid this by
// avoiding re-entrant calls to DispatchWindowEvent(). See bug
// 770626.
geckoSwipeEventSent = YES;
mGeckoChild->DispatchWindowEvent(geckoEvent);
}
mSwipeAnimationCancelled = nil;
} else if (phase == NSEventPhaseCancelled) {
mSwipeAnimationCancelled = nil;
}
}];
// We keep a pointer to the __block variable (animationCanceled) so we
// can cancel our block handler at any time. Note: We must assign
// &animationCanceled after our block creation and copy -- its address
// isn't resolved until then!
mSwipeAnimationCancelled = &animationCancelled;
}
#endif // #ifdef __LP64__
- (void)setUsingOMTCompositor:(BOOL)aUseOMTC
{
mUsingOMTCompositor = aUseOMTC;
}
// Returning NO from this method only disallows ordering on mousedown - in order
// to prevent it for mouseup too, we need to call [NSApp preventWindowOrdering]
// when handling the mousedown event.
- (BOOL)shouldDelayWindowOrderingForEvent:(NSEvent*)aEvent
{
// Always using system-provided window ordering for normal windows.
if (![[self window] isKindOfClass:[PopupWindow class]])
return NO;
// Don't reorder when we don't have a parent window, like when we're a
// context menu or a tooltip.
return ![[self window] parentWindow];
}
- (void)mouseDown:(NSEvent*)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if ([self shouldDelayWindowOrderingForEvent:theEvent]) {
[NSApp preventWindowOrdering];
}
// If we've already seen this event due to direct dispatch from menuForEvent:
// just bail; if not, remember it.
if (mLastMouseDownEvent == theEvent) {
[mLastMouseDownEvent release];
mLastMouseDownEvent = nil;
return;
}
else {
[mLastMouseDownEvent release];
mLastMouseDownEvent = [theEvent retain];
}
[gLastDragMouseDownEvent release];
gLastDragMouseDownEvent = [theEvent retain];
// We need isClickThrough because at this point the window we're in might
// already have become main, so the check for isMainWindow in
// WindowAcceptsEvent isn't enough. It also has to check isClickThrough.
BOOL isClickThrough = (theEvent == mClickThroughMouseDownEvent);
[mClickThroughMouseDownEvent release];
mClickThroughMouseDownEvent = nil;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
if ([self maybeRollup:theEvent] ||
!ChildViewMouseTracker::WindowAcceptsEvent([self window], theEvent, self, isClickThrough)) {
// Remember blocking because that means we want to block mouseup as well.
mBlockedLastMouseDown = YES;
return;
}
#if USE_CLICK_HOLD_CONTEXTMENU
// fire off timer to check for click-hold after two seconds. retains |theEvent|
[self performSelector:@selector(clickHoldCallback:) withObject:theEvent afterDelay:2.0];
#endif
// in order to send gecko events we'll need a gecko widget
if (!mGeckoChild)
return;
NSUInteger modifierFlags = [theEvent modifierFlags];
nsMouseEvent geckoEvent(true, NS_MOUSE_BUTTON_DOWN, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
NSInteger clickCount = [theEvent clickCount];
if (mBlockedLastMouseDown && clickCount > 1) {
// Don't send a double click if the first click of the double click was
// blocked.
clickCount--;
}
geckoEvent.clickCount = clickCount;
if (modifierFlags & NSControlKeyMask)
geckoEvent.button = nsMouseEvent::eRightButton;
else
geckoEvent.button = nsMouseEvent::eLeftButton;
// Create event for use by plugins.
// This is going to our child view so we don't need to look up the destination
// event type.
NPCocoaEvent cocoaEvent;
if (mPluginEventModel == NPEventModelCocoa) {
nsCocoaUtils::InitNPCocoaEvent(&cocoaEvent);
NSPoint point = [self convertPoint:[theEvent locationInWindow] fromView:nil];
cocoaEvent.type = NPCocoaEventMouseDown;
cocoaEvent.data.mouse.modifierFlags = modifierFlags;
cocoaEvent.data.mouse.pluginX = point.x;
cocoaEvent.data.mouse.pluginY = point.y;
cocoaEvent.data.mouse.buttonNumber = [theEvent buttonNumber];
cocoaEvent.data.mouse.clickCount = clickCount;
cocoaEvent.data.mouse.deltaX = [theEvent deltaX];
cocoaEvent.data.mouse.deltaY = [theEvent deltaY];
cocoaEvent.data.mouse.deltaZ = [theEvent deltaZ];
geckoEvent.pluginEvent = &cocoaEvent;
}
mGeckoChild->DispatchWindowEvent(geckoEvent);
mBlockedLastMouseDown = NO;
// XXX maybe call markedTextSelectionChanged:client: here?
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)mouseUp:(NSEvent *)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild || mBlockedLastMouseDown)
return;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
NPCocoaEvent cocoaEvent;
nsMouseEvent geckoEvent(true, NS_MOUSE_BUTTON_UP, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
if ([theEvent modifierFlags] & NSControlKeyMask)
geckoEvent.button = nsMouseEvent::eRightButton;
else
geckoEvent.button = nsMouseEvent::eLeftButton;
// Create event for use by plugins.
// This is going to our child view so we don't need to look up the destination
// event type.
if (mIsPluginView) {
if (mPluginEventModel == NPEventModelCocoa) {
nsCocoaUtils::InitNPCocoaEvent(&cocoaEvent);
NSPoint point = [self convertPoint:[theEvent locationInWindow] fromView:nil];
cocoaEvent.type = NPCocoaEventMouseUp;
cocoaEvent.data.mouse.modifierFlags = [theEvent modifierFlags];
cocoaEvent.data.mouse.pluginX = point.x;
cocoaEvent.data.mouse.pluginY = point.y;
cocoaEvent.data.mouse.buttonNumber = [theEvent buttonNumber];
cocoaEvent.data.mouse.clickCount = [theEvent clickCount];
cocoaEvent.data.mouse.deltaX = [theEvent deltaX];
cocoaEvent.data.mouse.deltaY = [theEvent deltaY];
cocoaEvent.data.mouse.deltaZ = [theEvent deltaZ];
geckoEvent.pluginEvent = &cocoaEvent;
}
}
// This might destroy our widget (and null out mGeckoChild).
mGeckoChild->DispatchWindowEvent(geckoEvent);
// If our mouse-up event's location is over some other object (as might
// happen if it came at the end of a dragging operation), also send our
// Gecko frame a mouse-exit event.
if (mGeckoChild && mIsPluginView) {
if (mPluginEventModel == NPEventModelCocoa) {
if (ChildViewMouseTracker::ViewForEvent(theEvent) != self) {
nsMouseEvent geckoExitEvent(true, NS_MOUSE_EXIT, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoExitEvent];
NPCocoaEvent cocoaEvent;
nsCocoaUtils::InitNPCocoaEvent(&cocoaEvent);
NSPoint point = [self convertPoint:[theEvent locationInWindow] fromView:nil];
cocoaEvent.type = NPCocoaEventMouseExited;
cocoaEvent.data.mouse.modifierFlags = [theEvent modifierFlags];
cocoaEvent.data.mouse.pluginX = point.x;
cocoaEvent.data.mouse.pluginY = point.y;
cocoaEvent.data.mouse.buttonNumber = [theEvent buttonNumber];
cocoaEvent.data.mouse.deltaX = [theEvent deltaX];
cocoaEvent.data.mouse.deltaY = [theEvent deltaY];
cocoaEvent.data.mouse.deltaZ = [theEvent deltaZ];
geckoExitEvent.pluginEvent = &cocoaEvent;
mGeckoChild->DispatchWindowEvent(geckoExitEvent);
}
}
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)sendMouseEnterOrExitEvent:(NSEvent*)aEvent
enter:(BOOL)aEnter
type:(nsMouseEvent::exitType)aType
{
if (!mGeckoChild)
return;
NSPoint windowEventLocation = nsCocoaUtils::EventLocationForWindow(aEvent, [self window]);
NSPoint localEventLocation = [self convertPoint:windowEventLocation fromView:nil];
uint32_t msg = aEnter ? NS_MOUSE_ENTER : NS_MOUSE_EXIT;
nsMouseEvent event(true, msg, mGeckoChild, nsMouseEvent::eReal);
event.refPoint = mGeckoChild->CocoaPointsToDevPixels(localEventLocation);
// Create event for use by plugins.
// This is going to our child view so we don't need to look up the destination
// event type.
NPCocoaEvent cocoaEvent;
if (mIsPluginView) {
if (mPluginEventModel == NPEventModelCocoa) {
nsCocoaUtils::InitNPCocoaEvent(&cocoaEvent);
cocoaEvent.type = ((msg == NS_MOUSE_ENTER) ? NPCocoaEventMouseEntered : NPCocoaEventMouseExited);
cocoaEvent.data.mouse.modifierFlags = [aEvent modifierFlags];
cocoaEvent.data.mouse.pluginX = 5;
cocoaEvent.data.mouse.pluginY = 5;
cocoaEvent.data.mouse.buttonNumber = [aEvent buttonNumber];
cocoaEvent.data.mouse.deltaX = [aEvent deltaX];
cocoaEvent.data.mouse.deltaY = [aEvent deltaY];
cocoaEvent.data.mouse.deltaZ = [aEvent deltaZ];
event.pluginEvent = &cocoaEvent;
}
}
event.exit = aType;
nsEventStatus status; // ignored
mGeckoChild->DispatchEvent(&event, status);
}
- (void)handleMouseMoved:(NSEvent*)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild)
return;
nsMouseEvent geckoEvent(true, NS_MOUSE_MOVE, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
// Create event for use by plugins.
// This is going to our child view so we don't need to look up the destination
// event type.
NPCocoaEvent cocoaEvent;
if (mIsPluginView) {
if (mPluginEventModel == NPEventModelCocoa) {
nsCocoaUtils::InitNPCocoaEvent(&cocoaEvent);
NSPoint point = [self convertPoint:[theEvent locationInWindow] fromView:nil];
cocoaEvent.type = NPCocoaEventMouseMoved;
cocoaEvent.data.mouse.modifierFlags = [theEvent modifierFlags];
cocoaEvent.data.mouse.pluginX = point.x;
cocoaEvent.data.mouse.pluginY = point.y;
cocoaEvent.data.mouse.buttonNumber = [theEvent buttonNumber];
cocoaEvent.data.mouse.clickCount = [theEvent clickCount];
cocoaEvent.data.mouse.deltaX = [theEvent deltaX];
cocoaEvent.data.mouse.deltaY = [theEvent deltaY];
cocoaEvent.data.mouse.deltaZ = [theEvent deltaZ];
geckoEvent.pluginEvent = &cocoaEvent;
}
}
mGeckoChild->DispatchWindowEvent(geckoEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)mouseDragged:(NSEvent*)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild)
return;
gLastDragView = self;
NPCocoaEvent cocoaEvent;
nsMouseEvent geckoEvent(true, NS_MOUSE_MOVE, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
// create event for use by plugins
if (mIsPluginView) {
if (mPluginEventModel == NPEventModelCocoa) {
nsCocoaUtils::InitNPCocoaEvent(&cocoaEvent);
NSPoint point = [self convertPoint:[theEvent locationInWindow] fromView:nil];
cocoaEvent.type = NPCocoaEventMouseDragged;
cocoaEvent.data.mouse.modifierFlags = [theEvent modifierFlags];
cocoaEvent.data.mouse.pluginX = point.x;
cocoaEvent.data.mouse.pluginY = point.y;
cocoaEvent.data.mouse.buttonNumber = [theEvent buttonNumber];
cocoaEvent.data.mouse.clickCount = [theEvent clickCount];
cocoaEvent.data.mouse.deltaX = [theEvent deltaX];
cocoaEvent.data.mouse.deltaY = [theEvent deltaY];
cocoaEvent.data.mouse.deltaZ = [theEvent deltaZ];
geckoEvent.pluginEvent = &cocoaEvent;
}
}
mGeckoChild->DispatchWindowEvent(geckoEvent);
// Note, sending the above event might have destroyed our widget since we didn't retain.
// Fine so long as we don't access any local variables from here on.
gLastDragView = nil;
// XXX maybe call markedTextSelectionChanged:client: here?
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)rightMouseDown:(NSEvent *)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
[self maybeRollup:theEvent];
if (!mGeckoChild)
return;
// The right mouse went down, fire off a right mouse down event to gecko
nsMouseEvent geckoEvent(true, NS_MOUSE_BUTTON_DOWN, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = nsMouseEvent::eRightButton;
geckoEvent.clickCount = [theEvent clickCount];
// create event for use by plugins
NPCocoaEvent cocoaEvent;
if (mPluginEventModel == NPEventModelCocoa) {
nsCocoaUtils::InitNPCocoaEvent(&cocoaEvent);
NSPoint point = [self convertPoint:[theEvent locationInWindow] fromView:nil];
cocoaEvent.type = NPCocoaEventMouseDown;
cocoaEvent.data.mouse.modifierFlags = [theEvent modifierFlags];
cocoaEvent.data.mouse.pluginX = point.x;
cocoaEvent.data.mouse.pluginY = point.y;
cocoaEvent.data.mouse.buttonNumber = [theEvent buttonNumber];
cocoaEvent.data.mouse.clickCount = [theEvent clickCount];
cocoaEvent.data.mouse.deltaX = [theEvent deltaX];
cocoaEvent.data.mouse.deltaY = [theEvent deltaY];
cocoaEvent.data.mouse.deltaZ = [theEvent deltaZ];
geckoEvent.pluginEvent = &cocoaEvent;
}
mGeckoChild->DispatchWindowEvent(geckoEvent);
if (!mGeckoChild)
return;
// Let the superclass do the context menu stuff.
[super rightMouseDown:theEvent];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)rightMouseUp:(NSEvent *)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild)
return;
NPCocoaEvent cocoaEvent;
nsMouseEvent geckoEvent(true, NS_MOUSE_BUTTON_UP, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = nsMouseEvent::eRightButton;
geckoEvent.clickCount = [theEvent clickCount];
// create event for use by plugins
if (mIsPluginView) {
if (mPluginEventModel == NPEventModelCocoa) {
nsCocoaUtils::InitNPCocoaEvent(&cocoaEvent);
NSPoint point = [self convertPoint:[theEvent locationInWindow] fromView:nil];
cocoaEvent.type = NPCocoaEventMouseUp;
cocoaEvent.data.mouse.modifierFlags = [theEvent modifierFlags];
cocoaEvent.data.mouse.pluginX = point.x;
cocoaEvent.data.mouse.pluginY = point.y;
cocoaEvent.data.mouse.buttonNumber = [theEvent buttonNumber];
cocoaEvent.data.mouse.clickCount = [theEvent clickCount];
cocoaEvent.data.mouse.deltaX = [theEvent deltaX];
cocoaEvent.data.mouse.deltaY = [theEvent deltaY];
cocoaEvent.data.mouse.deltaZ = [theEvent deltaZ];
geckoEvent.pluginEvent = &cocoaEvent;
}
}
nsAutoRetainCocoaObject kungFuDeathGrip(self);
mGeckoChild->DispatchWindowEvent(geckoEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)rightMouseDragged:(NSEvent*)theEvent
{
if (!mGeckoChild)
return;
nsMouseEvent geckoEvent(true, NS_MOUSE_MOVE, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = nsMouseEvent::eRightButton;
// send event into Gecko by going directly to the
// the widget.
mGeckoChild->DispatchWindowEvent(geckoEvent);
}
- (void)otherMouseDown:(NSEvent *)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
if ([self maybeRollup:theEvent] ||
!ChildViewMouseTracker::WindowAcceptsEvent([self window], theEvent, self))
return;
if (!mGeckoChild)
return;
nsMouseEvent geckoEvent(true, NS_MOUSE_BUTTON_DOWN, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = nsMouseEvent::eMiddleButton;
geckoEvent.clickCount = [theEvent clickCount];
mGeckoChild->DispatchWindowEvent(geckoEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)otherMouseUp:(NSEvent *)theEvent
{
if (!mGeckoChild)
return;
nsMouseEvent geckoEvent(true, NS_MOUSE_BUTTON_UP, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = nsMouseEvent::eMiddleButton;
mGeckoChild->DispatchWindowEvent(geckoEvent);
}
- (void)otherMouseDragged:(NSEvent*)theEvent
{
if (!mGeckoChild)
return;
nsMouseEvent geckoEvent(true, NS_MOUSE_MOVE, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = nsMouseEvent::eMiddleButton;
// send event into Gecko by going directly to the
// the widget.
mGeckoChild->DispatchWindowEvent(geckoEvent);
}
static int32_t RoundUp(double aDouble)
{
return aDouble < 0 ? static_cast<int32_t>(floor(aDouble)) :
static_cast<int32_t>(ceil(aDouble));
}
- (void)scrollWheel:(NSEvent*)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
ChildViewMouseTracker::MouseScrolled(theEvent);
if ([self maybeRollup:theEvent]) {
return;
}
if (!mGeckoChild) {
return;
}
WheelEvent wheelEvent(true, NS_WHEEL_WHEEL, mGeckoChild);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&wheelEvent];
wheelEvent.deltaMode =
Preferences::GetBool("mousewheel.enable_pixel_scrolling", true) ?
nsIDOMWheelEvent::DOM_DELTA_PIXEL : nsIDOMWheelEvent::DOM_DELTA_LINE;
// Calling deviceDeltaX or deviceDeltaY on theEvent will trigger a Cocoa
// assertion and an Objective-C NSInternalInconsistencyException if the
// underlying "Carbon" event doesn't contain pixel scrolling information.
// For these events, carbonEventKind is kEventMouseWheelMoved instead of
// kEventMouseScroll.
if (wheelEvent.deltaMode == nsIDOMWheelEvent::DOM_DELTA_PIXEL) {
EventRef theCarbonEvent = [theEvent _eventRef];
UInt32 carbonEventKind = theCarbonEvent ? ::GetEventKind(theCarbonEvent) : 0;
if (carbonEventKind != kEventMouseScroll) {
wheelEvent.deltaMode = nsIDOMWheelEvent::DOM_DELTA_LINE;
}
}
wheelEvent.lineOrPageDeltaX = RoundUp(-[theEvent deltaX]);
wheelEvent.lineOrPageDeltaY = RoundUp(-[theEvent deltaY]);
if (wheelEvent.deltaMode == nsIDOMWheelEvent::DOM_DELTA_PIXEL) {
// Some scrolling devices supports pixel scrolling, e.g. a Macbook
// touchpad or a Mighty Mouse. On those devices, [theEvent deviceDeltaX/Y]
// contains the amount of pixels to scroll. Since Lion this has changed
// to [theEvent scrollingDeltaX/Y].
double scale = mGeckoChild->BackingScaleFactor();
if ([theEvent respondsToSelector:@selector(scrollingDeltaX)]) {
wheelEvent.deltaX = -[theEvent scrollingDeltaX] * scale;
wheelEvent.deltaY = -[theEvent scrollingDeltaY] * scale;
} else {
wheelEvent.deltaX = -[theEvent deviceDeltaX] * scale;
wheelEvent.deltaY = -[theEvent deviceDeltaY] * scale;
}
} else {
wheelEvent.deltaX = -[theEvent deltaX];
wheelEvent.deltaY = -[theEvent deltaY];
}
// TODO: We should not set deltaZ for now because we're not sure if we should
// revert the sign.
// wheelEvent.deltaZ = [theEvent deltaZ];
if (!wheelEvent.deltaX && !wheelEvent.deltaY && !wheelEvent.deltaZ) {
// No sense in firing off a Gecko event.
return;
}
wheelEvent.isMomentum = nsCocoaUtils::IsMomentumScrollEvent(theEvent);
NPCocoaEvent cocoaEvent;
if (mPluginEventModel == NPEventModelCocoa) {
nsCocoaUtils::InitNPCocoaEvent(&cocoaEvent);
NSPoint point = [self convertPoint:[theEvent locationInWindow] fromView:nil];
cocoaEvent.type = NPCocoaEventScrollWheel;
cocoaEvent.data.mouse.modifierFlags = [theEvent modifierFlags];
cocoaEvent.data.mouse.pluginX = point.x;
cocoaEvent.data.mouse.pluginY = point.y;
cocoaEvent.data.mouse.buttonNumber = [theEvent buttonNumber];
cocoaEvent.data.mouse.clickCount = 0;
cocoaEvent.data.mouse.deltaX = [theEvent deltaX];
cocoaEvent.data.mouse.deltaY = [theEvent deltaY];
cocoaEvent.data.mouse.deltaZ = [theEvent deltaZ];
wheelEvent.pluginEvent = &cocoaEvent;
}
mGeckoChild->DispatchWindowEvent(wheelEvent);
if (!mGeckoChild) {
return;
}
#ifdef __LP64__
// overflowDeltaX tells us when the user has tried to scroll past the edge
// of a page to the left or the right (in those cases it's non-zero).
if (wheelEvent.deltaMode == nsIDOMWheelEvent::DOM_DELTA_PIXEL &&
wheelEvent.deltaX != 0.0) {
[self maybeTrackScrollEventAsSwipe:theEvent
scrollOverflow:wheelEvent.overflowDeltaX];
}
#endif // #ifdef __LP64__
NS_OBJC_END_TRY_ABORT_BLOCK;
}
-(NSMenu*)menuForEvent:(NSEvent*)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
if (!mGeckoChild || [self isPluginView])
return nil;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
[self maybeRollup:theEvent];
if (!mGeckoChild)
return nil;
// Cocoa doesn't always dispatch a mouseDown: for a control-click event,
// depends on what we return from menuForEvent:. Gecko always expects one
// and expects the mouse down event before the context menu event, so
// get that event sent first if this is a left mouse click.
if ([theEvent type] == NSLeftMouseDown) {
[self mouseDown:theEvent];
if (!mGeckoChild)
return nil;
}
nsMouseEvent geckoEvent(true, NS_CONTEXTMENU, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:theEvent toGeckoEvent:&geckoEvent];
geckoEvent.button = nsMouseEvent::eRightButton;
mGeckoChild->DispatchWindowEvent(geckoEvent);
if (!mGeckoChild)
return nil;
[self maybeInitContextMenuTracking];
// Go up our view chain to fetch the correct menu to return.
return [self contextMenu];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (NSMenu*)contextMenu
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
NSView* superView = [self superview];
if ([superView respondsToSelector:@selector(contextMenu)])
return [(NSView<mozView>*)superView contextMenu];
return nil;
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (void) convertCocoaMouseEvent:(NSEvent*)aMouseEvent toGeckoEvent:(nsInputEvent*)outGeckoEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NS_ASSERTION(outGeckoEvent, "convertCocoaMouseEvent:toGeckoEvent: requires non-null aoutGeckoEvent");
if (!outGeckoEvent)
return;
nsCocoaUtils::InitInputEvent(*outGeckoEvent, aMouseEvent);
// convert point to view coordinate system
NSPoint locationInWindow = nsCocoaUtils::EventLocationForWindow(aMouseEvent, [self window]);
NSPoint localPoint = [self convertPoint:locationInWindow fromView:nil];
outGeckoEvent->refPoint = mGeckoChild->CocoaPointsToDevPixels(localPoint);
nsMouseEvent_base* mouseEvent =
static_cast<nsMouseEvent_base*>(outGeckoEvent);
mouseEvent->buttons = 0;
NSUInteger mouseButtons = [NSEvent pressedMouseButtons];
if (mouseButtons & 0x01) {
mouseEvent->buttons |= nsMouseEvent::eLeftButtonFlag;
}
if (mouseButtons & 0x02) {
mouseEvent->buttons |= nsMouseEvent::eRightButtonFlag;
}
if (mouseButtons & 0x04) {
mouseEvent->buttons |= nsMouseEvent::eMiddleButtonFlag;
}
if (mouseButtons & 0x08) {
mouseEvent->buttons |= nsMouseEvent::e4thButtonFlag;
}
if (mouseButtons & 0x10) {
mouseEvent->buttons |= nsMouseEvent::e5thButtonFlag;
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
#pragma mark -
// NSTextInput implementation
- (void)insertText:(id)insertString
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NS_ENSURE_TRUE(mGeckoChild, );
nsAutoRetainCocoaObject kungFuDeathGrip(self);
NSAttributedString* attrStr;
if ([insertString isKindOfClass:[NSAttributedString class]]) {
attrStr = static_cast<NSAttributedString*>(insertString);
} else {
attrStr =
[[[NSAttributedString alloc] initWithString:insertString] autorelease];
}
mTextInputHandler->InsertText(attrStr);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)insertNewline:(id)sender
{
[self insertText:@"\n"];
}
- (void) doCommandBySelector:(SEL)aSelector
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild || !mTextInputHandler) {
return;
}
const char* sel = reinterpret_cast<const char*>(aSelector);
if (!mTextInputHandler->DoCommandBySelector(sel)) {
[super doCommandBySelector:aSelector];
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void) setMarkedText:(id)aString selectedRange:(NSRange)selRange
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NS_ENSURE_TRUE(mTextInputHandler, );
nsAutoRetainCocoaObject kungFuDeathGrip(self);
NSAttributedString* attrStr;
if ([aString isKindOfClass:[NSAttributedString class]]) {
attrStr = static_cast<NSAttributedString*>(aString);
} else {
attrStr = [[[NSAttributedString alloc] initWithString:aString] autorelease];
}
mTextInputHandler->SetMarkedText(attrStr, selRange);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void) unmarkText
{
NS_ENSURE_TRUE(mTextInputHandler, );
mTextInputHandler->CommitIMEComposition();
}
- (BOOL) hasMarkedText
{
NS_ENSURE_TRUE(mTextInputHandler, NO);
return mTextInputHandler->HasMarkedText();
}
- (NSInteger) conversationIdentifier
{
NS_ENSURE_TRUE(mTextInputHandler, reinterpret_cast<NSInteger>(self));
return mTextInputHandler->ConversationIdentifier();
}
- (NSAttributedString *) attributedSubstringFromRange:(NSRange)theRange
{
NS_ENSURE_TRUE(mTextInputHandler, nil);
return mTextInputHandler->GetAttributedSubstringFromRange(theRange);
}
- (NSRange) markedRange
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
NS_ENSURE_TRUE(mTextInputHandler, NSMakeRange(NSNotFound, 0));
return mTextInputHandler->MarkedRange();
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSMakeRange(0, 0));
}
- (NSRange) selectedRange
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
NS_ENSURE_TRUE(mTextInputHandler, NSMakeRange(NSNotFound, 0));
return mTextInputHandler->SelectedRange();
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSMakeRange(0, 0));
}
- (NSRect) firstRectForCharacterRange:(NSRange)theRange
{
NSRect rect;
NS_ENSURE_TRUE(mTextInputHandler, rect);
return mTextInputHandler->FirstRectForCharacterRange(theRange);
}
- (NSUInteger)characterIndexForPoint:(NSPoint)thePoint
{
NS_ENSURE_TRUE(mTextInputHandler, 0);
return mTextInputHandler->CharacterIndexForPoint(thePoint);
}
- (NSArray*) validAttributesForMarkedText
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
NS_ENSURE_TRUE(mTextInputHandler, [NSArray array]);
return mTextInputHandler->GetValidAttributesForMarkedText();
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
#pragma mark -
#ifdef __LP64__
- (NSTextInputContext *)inputContext
{
if (mIsPluginView && mPluginEventModel == NPEventModelCocoa)
return [[ComplexTextInputPanel sharedComplexTextInputPanel] inputContext];
else
return [super inputContext];
}
#endif
// This is a private API that Cocoa uses.
// Cocoa will call this after the menu system returns "NO" for "performKeyEquivalent:".
// We want all they key events we can get so just return YES. In particular, this fixes
// ctrl-tab - we don't get a "keyDown:" call for that without this.
- (BOOL)_wantsKeyDownForEvent:(NSEvent*)event
{
return YES;
}
- (void)keyDown:(NSEvent*)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (mGeckoChild && mTextInputHandler && mIsPluginView) {
mTextInputHandler->HandleKeyDownEventForPlugin(theEvent);
return;
}
nsAutoRetainCocoaObject kungFuDeathGrip(self);
bool handled = false;
if (mGeckoChild && mTextInputHandler) {
handled = mTextInputHandler->HandleKeyDownEvent(theEvent);
}
// We always allow keyboard events to propagate to keyDown: but if they are not
// handled we give special Application menu items a chance to act.
if (!handled && sApplicationMenu) {
[sApplicationMenu performKeyEquivalent:theEvent];
}
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)keyUp:(NSEvent*)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NS_ENSURE_TRUE(mGeckoChild, );
nsAutoRetainCocoaObject kungFuDeathGrip(self);
if (mIsPluginView) {
mTextInputHandler->HandleKeyUpEventForPlugin(theEvent);
return;
}
mTextInputHandler->HandleKeyUpEvent(theEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)flagsChanged:(NSEvent*)theEvent
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
NS_ENSURE_TRUE(mGeckoChild, );
nsAutoRetainCocoaObject kungFuDeathGrip(self);
mTextInputHandler->HandleFlagsChanged(theEvent);
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (BOOL) isFirstResponder
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
NSResponder* resp = [[self window] firstResponder];
return (resp == (NSResponder*)self);
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NO);
}
- (BOOL)isDragInProgress
{
if (!mDragService)
return NO;
nsCOMPtr<nsIDragSession> dragSession;
mDragService->GetCurrentSession(getter_AddRefs(dragSession));
return dragSession != nullptr;
}
- (BOOL)inactiveWindowAcceptsMouseEvent:(NSEvent*)aEvent
{
// If we're being destroyed assume the default -- return YES.
if (!mGeckoChild)
return YES;
nsMouseEvent geckoEvent(true, NS_MOUSE_ACTIVATE, mGeckoChild, nsMouseEvent::eReal);
[self convertCocoaMouseEvent:aEvent toGeckoEvent:&geckoEvent];
return !mGeckoChild->DispatchWindowEvent(geckoEvent);
}
// Don't focus a plugin if the user has clicked on a DOM element above it.
// In this case the user has actually clicked on the plugin's ChildView
// (underneath the non-plugin DOM element). But we shouldn't allow the
// ChildView to be focused. See bug 627649.
- (BOOL)currentEventShouldFocusPlugin
{
if (!mGeckoChild)
return NO;
NSEvent* currentEvent = [NSApp currentEvent];
if ([currentEvent type] != NSLeftMouseDown)
return YES;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
// hitTest needs coordinates in device pixels
NSPoint eventLoc = nsCocoaUtils::ScreenLocationForEvent(currentEvent);
eventLoc.y = nsCocoaUtils::FlippedScreenY(eventLoc.y);
nsIntPoint widgetLoc = mGeckoChild->CocoaPointsToDevPixels(eventLoc) -
mGeckoChild->WidgetToScreenOffset();
nsQueryContentEvent hitTest(true, NS_QUERY_DOM_WIDGET_HITTEST, mGeckoChild);
hitTest.InitForQueryDOMWidgetHittest(widgetLoc);
// This might destroy our widget (and null out mGeckoChild).
mGeckoChild->DispatchWindowEvent(hitTest);
if (!mGeckoChild)
return NO;
if (hitTest.mSucceeded && !hitTest.mReply.mWidgetIsHit)
return NO;
return YES;
}
// Don't focus a plugin if we're in a left click-through that will fail (see
// [ChildView isInFailingLeftClickThrough] above).
- (BOOL)shouldFocusPlugin:(BOOL)getFocus
{
if (!mGeckoChild)
return NO;
nsCocoaWindow* windowWidget = mGeckoChild->GetXULWindowWidget();
if (windowWidget && !windowWidget->ShouldFocusPlugin())
return NO;
if (getFocus && ![self currentEventShouldFocusPlugin])
return NO;
return YES;
}
// Returns NO if the plugin shouldn't be focused/unfocused.
- (BOOL)updatePluginFocusStatus:(BOOL)getFocus
{
if (!mGeckoChild)
return NO;
if (![self shouldFocusPlugin:getFocus])
return NO;
if (mPluginEventModel == NPEventModelCocoa) {
nsPluginEvent pluginEvent(true, NS_PLUGIN_FOCUS_EVENT, mGeckoChild);
NPCocoaEvent cocoaEvent;
nsCocoaUtils::InitNPCocoaEvent(&cocoaEvent);
cocoaEvent.type = NPCocoaEventFocusChanged;
cocoaEvent.data.focus.hasFocus = getFocus;
nsCocoaUtils::InitPluginEvent(pluginEvent, cocoaEvent);
mGeckoChild->DispatchWindowEvent(pluginEvent);
if (getFocus)
[self sendFocusEvent:NS_PLUGIN_FOCUS];
}
return YES;
}
// We must always call through to our superclass, even when mGeckoChild is
// nil -- otherwise the keyboard focus can end up in the wrong NSView.
- (BOOL)becomeFirstResponder
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
if (mIsPluginView) {
if (![self updatePluginFocusStatus:YES])
return NO;
}
return [super becomeFirstResponder];
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(YES);
}
// We must always call through to our superclass, even when mGeckoChild is
// nil -- otherwise the keyboard focus can end up in the wrong NSView.
- (BOOL)resignFirstResponder
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
if (mIsPluginView) {
if (![self updatePluginFocusStatus:NO])
return NO;
}
return [super resignFirstResponder];
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(YES);
}
- (void)viewsWindowDidBecomeKey
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
if (!mGeckoChild)
return;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
// check to see if the window implements the mozWindow protocol. This
// allows embedders to avoid re-entrant calls to -makeKeyAndOrderFront,
// which can happen because these activate calls propagate out
// to the embedder via nsIEmbeddingSiteWindow::SetFocus().
BOOL isMozWindow = [[self window] respondsToSelector:@selector(setSuppressMakeKeyFront:)];
if (isMozWindow)
[[self window] setSuppressMakeKeyFront:YES];
nsIWidgetListener* listener = mGeckoChild->GetWidgetListener();
if (listener)
listener->WindowActivated();
if (isMozWindow)
[[self window] setSuppressMakeKeyFront:NO];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
- (void)viewsWindowDidResignKey
{
if (!mGeckoChild)
return;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
nsIWidgetListener* listener = mGeckoChild->GetWidgetListener();
if (listener)
listener->WindowDeactivated();
}
// If the call to removeFromSuperview isn't delayed from nsChildView::
// TearDownView(), the NSView hierarchy might get changed during calls to
// [ChildView drawRect:], which leads to "beyond bounds" exceptions in
// NSCFArray. For more info see bmo bug 373122. Apple's docs claim that
// removeFromSuperviewWithoutNeedingDisplay "can be safely invoked during
// display" (whatever "display" means). But it's _not_ true that it can be
// safely invoked during calls to [NSView drawRect:]. We use
// removeFromSuperview here because there's no longer any danger of being
// "invoked during display", and because doing do clears up bmo bug 384343.
- (void)delayedTearDown
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
[self removeFromSuperview];
[self release];
NS_OBJC_END_TRY_ABORT_BLOCK;
}
#pragma mark -
// drag'n'drop stuff
#define kDragServiceContractID "@mozilla.org/widget/dragservice;1"
- (NSDragOperation)dragOperationForSession:(nsIDragSession*)aDragSession
{
uint32_t dragAction;
aDragSession->GetDragAction(&dragAction);
if (nsIDragService::DRAGDROP_ACTION_LINK & dragAction)
return NSDragOperationLink;
if (nsIDragService::DRAGDROP_ACTION_COPY & dragAction)
return NSDragOperationCopy;
if (nsIDragService::DRAGDROP_ACTION_MOVE & dragAction)
return NSDragOperationGeneric;
return NSDragOperationNone;
}
// This is a utility function used by NSView drag event methods
// to send events. It contains all of the logic needed for Gecko
// dragging to work. Returns the appropriate cocoa drag operation code.
- (NSDragOperation)doDragAction:(uint32_t)aMessage sender:(id)aSender
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
if (!mGeckoChild)
return NSDragOperationNone;
PR_LOG(sCocoaLog, PR_LOG_ALWAYS, ("ChildView doDragAction: entered\n"));
if (!mDragService) {
CallGetService(kDragServiceContractID, &mDragService);
NS_ASSERTION(mDragService, "Couldn't get a drag service - big problem!");
if (!mDragService)
return NSDragOperationNone;
}
if (aMessage == NS_DRAGDROP_ENTER)
mDragService->StartDragSession();
nsCOMPtr<nsIDragSession> dragSession;
mDragService->GetCurrentSession(getter_AddRefs(dragSession));
if (dragSession) {
if (aMessage == NS_DRAGDROP_OVER) {
// fire the drag event at the source. Just ignore whether it was
// cancelled or not as there isn't actually a means to stop the drag
mDragService->FireDragEventAtSource(NS_DRAGDROP_DRAG);
dragSession->SetCanDrop(false);
}
else if (aMessage == NS_DRAGDROP_DROP) {
// We make the assumption that the dragOver handlers have correctly set
// the |canDrop| property of the Drag Session.
bool canDrop = false;
if (!NS_SUCCEEDED(dragSession->GetCanDrop(&canDrop)) || !canDrop) {
[self doDragAction:NS_DRAGDROP_EXIT sender:aSender];
nsCOMPtr<nsIDOMNode> sourceNode;
dragSession->GetSourceNode(getter_AddRefs(sourceNode));
if (!sourceNode) {
mDragService->EndDragSession(false);
}
return NSDragOperationNone;
}
}
unsigned int modifierFlags = [[NSApp currentEvent] modifierFlags];
uint32_t action = nsIDragService::DRAGDROP_ACTION_MOVE;
// force copy = option, alias = cmd-option, default is move
if (modifierFlags & NSAlternateKeyMask) {
if (modifierFlags & NSCommandKeyMask)
action = nsIDragService::DRAGDROP_ACTION_LINK;
else
action = nsIDragService::DRAGDROP_ACTION_COPY;
}
dragSession->SetDragAction(action);
}
// set up gecko event
nsDragEvent geckoEvent(true, aMessage, mGeckoChild);
nsCocoaUtils::InitInputEvent(geckoEvent, [NSApp currentEvent]);
// Use our own coordinates in the gecko event.
// Convert event from gecko global coords to gecko view coords.
NSPoint draggingLoc = [aSender draggingLocation];
NSPoint localPoint = [self convertPoint:draggingLoc fromView:nil];
geckoEvent.refPoint = mGeckoChild->CocoaPointsToDevPixels(localPoint);
nsAutoRetainCocoaObject kungFuDeathGrip(self);
mGeckoChild->DispatchWindowEvent(geckoEvent);
if (!mGeckoChild)
return NSDragOperationNone;
if (dragSession) {
switch (aMessage) {
case NS_DRAGDROP_ENTER:
case NS_DRAGDROP_OVER:
return [self dragOperationForSession:dragSession];
case NS_DRAGDROP_EXIT:
case NS_DRAGDROP_DROP: {
nsCOMPtr<nsIDOMNode> sourceNode;
dragSession->GetSourceNode(getter_AddRefs(sourceNode));
if (!sourceNode) {
// We're leaving a window while doing a drag that was
// initiated in a different app. End the drag session,
// since we're done with it for now (until the user
// drags back into mozilla).
mDragService->EndDragSession(false);
}
}
}
}
return NSDragOperationGeneric;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSDragOperationNone);
}
- (NSDragOperation)draggingEntered:(id <NSDraggingInfo>)sender
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
PR_LOG(sCocoaLog, PR_LOG_ALWAYS, ("ChildView draggingEntered: entered\n"));
// there should never be a globalDragPboard when "draggingEntered:" is
// called, but just in case we'll take care of it here.
[globalDragPboard release];
// Set the global drag pasteboard that will be used for this drag session.
// This will be set back to nil when the drag session ends (mouse exits
// the view or a drop happens within the view).
globalDragPboard = [[sender draggingPasteboard] retain];
return [self doDragAction:NS_DRAGDROP_ENTER sender:sender];
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NSDragOperationNone);
}
- (NSDragOperation)draggingUpdated:(id <NSDraggingInfo>)sender
{
PR_LOG(sCocoaLog, PR_LOG_ALWAYS, ("ChildView draggingUpdated: entered\n"));
return [self doDragAction:NS_DRAGDROP_OVER sender:sender];
}
- (void)draggingExited:(id <NSDraggingInfo>)sender
{
PR_LOG(sCocoaLog, PR_LOG_ALWAYS, ("ChildView draggingExited: entered\n"));
nsAutoRetainCocoaObject kungFuDeathGrip(self);
[self doDragAction:NS_DRAGDROP_EXIT sender:sender];
NS_IF_RELEASE(mDragService);
}
- (BOOL)performDragOperation:(id <NSDraggingInfo>)sender
{
nsAutoRetainCocoaObject kungFuDeathGrip(self);
BOOL handled = [self doDragAction:NS_DRAGDROP_DROP sender:sender] != NSDragOperationNone;
NS_IF_RELEASE(mDragService);
return handled;
}
// NSDraggingSource
- (void)draggedImage:(NSImage *)anImage movedTo:(NSPoint)aPoint
{
// Get the drag service if it isn't already cached. The drag service
// isn't cached when dragging over a different application.
nsCOMPtr<nsIDragService> dragService = mDragService;
if (!dragService) {
dragService = do_GetService(kDragServiceContractID);
}
if (dragService) {
NSPoint pnt = [NSEvent mouseLocation];
FlipCocoaScreenCoordinate(pnt);
dragService->DragMoved(NSToIntRound(pnt.x), NSToIntRound(pnt.y));
}
}
// NSDraggingSource
- (void)draggedImage:(NSImage *)anImage endedAt:(NSPoint)aPoint operation:(NSDragOperation)operation
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK;
gDraggedTransferables = nullptr;
NSEvent *currentEvent = [NSApp currentEvent];
gUserCancelledDrag = ([currentEvent type] == NSKeyDown &&
[currentEvent keyCode] == kVK_Escape);
if (!mDragService) {
CallGetService(kDragServiceContractID, &mDragService);
NS_ASSERTION(mDragService, "Couldn't get a drag service - big problem!");
}
if (mDragService) {
// set the dragend point from the current mouse location
nsDragService* dragService = static_cast<nsDragService *>(mDragService);
NSPoint pnt = [NSEvent mouseLocation];
FlipCocoaScreenCoordinate(pnt);
dragService->SetDragEndPoint(nsIntPoint(NSToIntRound(pnt.x), NSToIntRound(pnt.y)));
// XXX: dropEffect should be updated per |operation|.
// As things stand though, |operation| isn't well handled within "our"
// events, that is, when the drop happens within the window: it is set
// either to NSDragOperationGeneric or to NSDragOperationNone.
// For that reason, it's not yet possible to override dropEffect per the
// given OS value, and it's also unclear what's the correct dropEffect
// value for NSDragOperationGeneric that is passed by other applications.
// All that said, NSDragOperationNone is still reliable.
if (operation == NSDragOperationNone) {
nsCOMPtr<nsIDOMDataTransfer> dataTransfer;
dragService->GetDataTransfer(getter_AddRefs(dataTransfer));
if (dataTransfer)
dataTransfer->SetDropEffectInt(nsIDragService::DRAGDROP_ACTION_NONE);
}
mDragService->EndDragSession(true);
NS_RELEASE(mDragService);
}
[globalDragPboard release];
globalDragPboard = nil;
[gLastDragMouseDownEvent release];
gLastDragMouseDownEvent = nil;
NS_OBJC_END_TRY_ABORT_BLOCK;
}
// NSDraggingSource
// this is just implemented so we comply with the NSDraggingSource informal protocol
- (NSDragOperation)draggingSourceOperationMaskForLocal:(BOOL)isLocal
{
return UINT_MAX;
}
// This method is a callback typically invoked in response to a drag ending on the desktop
// or a Findow folder window; the argument passed is a path to the drop location, to be used
// in constructing a complete pathname for the file(s) we want to create as a result of
// the drag.
- (NSArray *)namesOfPromisedFilesDroppedAtDestination:(NSURL*)dropDestination
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
nsresult rv;
PR_LOG(sCocoaLog, PR_LOG_ALWAYS, ("ChildView namesOfPromisedFilesDroppedAtDestination: entering callback for promised files\n"));
nsCOMPtr<nsIFile> targFile;
NS_NewLocalFile(EmptyString(), true, getter_AddRefs(targFile));
nsCOMPtr<nsILocalFileMac> macLocalFile = do_QueryInterface(targFile);
if (!macLocalFile) {
NS_ERROR("No Mac local file");
return nil;
}
if (!NS_SUCCEEDED(macLocalFile->InitWithCFURL((CFURLRef)dropDestination))) {
NS_ERROR("failed InitWithCFURL");
return nil;
}
if (!gDraggedTransferables)
return nil;
uint32_t transferableCount;
rv = gDraggedTransferables->Count(&transferableCount);
if (NS_FAILED(rv))
return nil;
for (uint32_t i = 0; i < transferableCount; i++) {
nsCOMPtr<nsISupports> genericItem;
gDraggedTransferables->GetElementAt(i, getter_AddRefs(genericItem));
nsCOMPtr<nsITransferable> item(do_QueryInterface(genericItem));
if (!item) {
NS_ERROR("no transferable");
return nil;
}
item->Init(nullptr);
item->SetTransferData(kFilePromiseDirectoryMime, macLocalFile, sizeof(nsIFile*));
// now request the kFilePromiseMime data, which will invoke the data provider
// If successful, the returned data is a reference to the resulting file.
nsCOMPtr<nsISupports> fileDataPrimitive;
uint32_t dataSize = 0;
item->GetTransferData(kFilePromiseMime, getter_AddRefs(fileDataPrimitive), &dataSize);
}
NSPasteboard* generalPboard = [NSPasteboard pasteboardWithName:NSDragPboard];
NSData* data = [generalPboard dataForType:@"application/x-moz-file-promise-dest-filename"];
NSString* name = [[NSString alloc] initWithData:data encoding:NSUTF8StringEncoding];
NSArray* rslt = [NSArray arrayWithObject:name];
[name release];
return rslt;
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
#pragma mark -
// Support for the "Services" menu. We currently only support sending strings
// and HTML to system services.
- (id)validRequestorForSendType:(NSString *)sendType
returnType:(NSString *)returnType
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
// sendType contains the type of data that the service would like this
// application to send to it. sendType is nil if the service is not
// requesting any data.
//
// returnType contains the type of data the the service would like to
// return to this application (e.g., to overwrite the selection).
// returnType is nil if the service will not return any data.
//
// The following condition thus triggers when the service expects a string
// or HTML from us or no data at all AND when the service will either not
// send back any data to us or will send a string or HTML back to us.
#define IsSupportedType(typeStr) ([typeStr isEqual:NSStringPboardType] || [typeStr isEqual:NSHTMLPboardType])
id result = nil;
if ((!sendType || IsSupportedType(sendType)) &&
(!returnType || IsSupportedType(returnType))) {
if (mGeckoChild) {
// Assume that this object will be able to handle this request.
result = self;
// Keep the ChildView alive during this operation.
nsAutoRetainCocoaObject kungFuDeathGrip(self);
// Determine if there is a selection (if sending to the service).
if (sendType) {
nsQueryContentEvent event(true, NS_QUERY_CONTENT_STATE, mGeckoChild);
// This might destroy our widget (and null out mGeckoChild).
mGeckoChild->DispatchWindowEvent(event);
if (!mGeckoChild || !event.mSucceeded || !event.mReply.mHasSelection)
result = nil;
}
// Determine if we can paste (if receiving data from the service).
if (mGeckoChild && returnType) {
nsContentCommandEvent command(true, NS_CONTENT_COMMAND_PASTE_TRANSFERABLE, mGeckoChild, true);
// This might possibly destroy our widget (and null out mGeckoChild).
mGeckoChild->DispatchWindowEvent(command);
if (!mGeckoChild || !command.mSucceeded || !command.mIsEnabled)
result = nil;
}
}
}
#undef IsSupportedType
// Give the superclass a chance if this object will not handle this request.
if (!result)
result = [super validRequestorForSendType:sendType returnType:returnType];
return result;
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
- (BOOL)writeSelectionToPasteboard:(NSPasteboard *)pboard
types:(NSArray *)types
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_RETURN;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
// Make sure that the service will accept strings or HTML.
if ([types containsObject:NSStringPboardType] == NO &&
[types containsObject:NSHTMLPboardType] == NO)
return NO;
// Bail out if there is no Gecko object.
if (!mGeckoChild)
return NO;
// Obtain the current selection.
nsQueryContentEvent event(true,
NS_QUERY_SELECTION_AS_TRANSFERABLE,
mGeckoChild);
mGeckoChild->DispatchWindowEvent(event);
if (!event.mSucceeded || !event.mReply.mTransferable)
return NO;
// Transform the transferable to an NSDictionary.
NSDictionary* pasteboardOutputDict = nsClipboard::PasteboardDictFromTransferable(event.mReply.mTransferable);
if (!pasteboardOutputDict)
return NO;
// Declare the pasteboard types.
unsigned int typeCount = [pasteboardOutputDict count];
NSMutableArray * types = [NSMutableArray arrayWithCapacity:typeCount];
[types addObjectsFromArray:[pasteboardOutputDict allKeys]];
[pboard declareTypes:types owner:nil];
// Write the data to the pasteboard.
for (unsigned int i = 0; i < typeCount; i++) {
NSString* currentKey = [types objectAtIndex:i];
id currentValue = [pasteboardOutputDict valueForKey:currentKey];
if (currentKey == NSStringPboardType ||
currentKey == kCorePboardType_url ||
currentKey == kCorePboardType_urld ||
currentKey == kCorePboardType_urln) {
[pboard setString:currentValue forType:currentKey];
} else if (currentKey == NSHTMLPboardType) {
[pboard setString:(nsClipboard::WrapHtmlForSystemPasteboard(currentValue)) forType:currentKey];
} else if (currentKey == NSTIFFPboardType) {
[pboard setData:currentValue forType:currentKey];
} else if (currentKey == NSFilesPromisePboardType) {
[pboard setPropertyList:currentValue forType:currentKey];
}
}
return YES;
NS_OBJC_END_TRY_ABORT_BLOCK_RETURN(NO);
}
// Called if the service wants us to replace the current selection.
- (BOOL)readSelectionFromPasteboard:(NSPasteboard *)pboard
{
nsresult rv;
nsCOMPtr<nsITransferable> trans = do_CreateInstance("@mozilla.org/widget/transferable;1", &rv);
if (NS_FAILED(rv))
return NO;
trans->Init(nullptr);
trans->AddDataFlavor(kUnicodeMime);
trans->AddDataFlavor(kHTMLMime);
rv = nsClipboard::TransferableFromPasteboard(trans, pboard);
if (NS_FAILED(rv))
return NO;
NS_ENSURE_TRUE(mGeckoChild, false);
nsContentCommandEvent command(true,
NS_CONTENT_COMMAND_PASTE_TRANSFERABLE,
mGeckoChild);
command.mTransferable = trans;
mGeckoChild->DispatchWindowEvent(command);
return command.mSucceeded && command.mIsEnabled;
}
#pragma mark -
#ifdef ACCESSIBILITY
/* Every ChildView has a corresponding mozDocAccessible object that is doing all
the heavy lifting. The topmost ChildView corresponds to a mozRootAccessible
object.
All ChildView needs to do is to route all accessibility calls (from the NSAccessibility APIs)
down to its object, pretending that they are the same.
*/
- (id<mozAccessible>)accessible
{
if (!mGeckoChild)
return nil;
id<mozAccessible> nativeAccessible = nil;
nsAutoRetainCocoaObject kungFuDeathGrip(self);
nsCOMPtr<nsIWidget> kungFuDeathGrip2(mGeckoChild);
nsRefPtr<a11y::Accessible> accessible = mGeckoChild->GetDocumentAccessible();
if (!accessible)
return nil;
accessible->GetNativeInterface((void**)&nativeAccessible);
#ifdef DEBUG_hakan
NSAssert(![nativeAccessible isExpired], @"native acc is expired!!!");
#endif
return nativeAccessible;
}
/* Implementation of formal mozAccessible formal protocol (enabling mozViews
to talk to mozAccessible objects in the accessibility module). */
- (BOOL)hasRepresentedView
{
return YES;
}
- (id)representedView
{
return self;
}
- (BOOL)isRoot
{
return [[self accessible] isRoot];
}
#ifdef DEBUG
- (void)printHierarchy
{
[[self accessible] printHierarchy];
}
#endif
#pragma mark -
// general
- (BOOL)accessibilityIsIgnored
{
if (!mozilla::a11y::ShouldA11yBeEnabled())
return [super accessibilityIsIgnored];
return [[self accessible] accessibilityIsIgnored];
}
- (id)accessibilityHitTest:(NSPoint)point
{
if (!mozilla::a11y::ShouldA11yBeEnabled())
return [super accessibilityHitTest:point];
return [[self accessible] accessibilityHitTest:point];
}
- (id)accessibilityFocusedUIElement
{
if (!mozilla::a11y::ShouldA11yBeEnabled())
return [super accessibilityFocusedUIElement];
return [[self accessible] accessibilityFocusedUIElement];
}
// actions
- (NSArray*)accessibilityActionNames
{
if (!mozilla::a11y::ShouldA11yBeEnabled())
return [super accessibilityActionNames];
return [[self accessible] accessibilityActionNames];
}
- (NSString*)accessibilityActionDescription:(NSString*)action
{
if (!mozilla::a11y::ShouldA11yBeEnabled())
return [super accessibilityActionDescription:action];
return [[self accessible] accessibilityActionDescription:action];
}
- (void)accessibilityPerformAction:(NSString*)action
{
if (!mozilla::a11y::ShouldA11yBeEnabled())
return [super accessibilityPerformAction:action];
return [[self accessible] accessibilityPerformAction:action];
}
// attributes
- (NSArray*)accessibilityAttributeNames
{
if (!mozilla::a11y::ShouldA11yBeEnabled())
return [super accessibilityAttributeNames];
return [[self accessible] accessibilityAttributeNames];
}
- (BOOL)accessibilityIsAttributeSettable:(NSString*)attribute
{
if (!mozilla::a11y::ShouldA11yBeEnabled())
return [super accessibilityIsAttributeSettable:attribute];
return [[self accessible] accessibilityIsAttributeSettable:attribute];
}
- (id)accessibilityAttributeValue:(NSString*)attribute
{
NS_OBJC_BEGIN_TRY_ABORT_BLOCK_NIL;
if (!mozilla::a11y::ShouldA11yBeEnabled())
return [super accessibilityAttributeValue:attribute];
id<mozAccessible> accessible = [self accessible];
// if we're the root (topmost) accessible, we need to return our native AXParent as we
// traverse outside to the hierarchy of whoever embeds us. thus, fall back on NSView's
// default implementation for this attribute.
if ([attribute isEqualToString:NSAccessibilityParentAttribute] && [accessible isRoot]) {
id parentAccessible = [super accessibilityAttributeValue:attribute];
return parentAccessible;
}
return [accessible accessibilityAttributeValue:attribute];
NS_OBJC_END_TRY_ABORT_BLOCK_NIL;
}
#endif /* ACCESSIBILITY */
@end
#pragma mark -
void
ChildViewMouseTracker::OnDestroyView(ChildView* aView)
{
if (sLastMouseEventView == aView) {
sLastMouseEventView = nil;
[sLastMouseMoveEvent release];
sLastMouseMoveEvent = nil;
}
}
void
ChildViewMouseTracker::OnDestroyWindow(NSWindow* aWindow)
{
if (sWindowUnderMouse == aWindow) {
sWindowUnderMouse = nil;
}
}
void
ChildViewMouseTracker::MouseEnteredWindow(NSEvent* aEvent)
{
sWindowUnderMouse = [aEvent window];
ReEvaluateMouseEnterState(aEvent);
}
void
ChildViewMouseTracker::MouseExitedWindow(NSEvent* aEvent)
{
if (sWindowUnderMouse == [aEvent window]) {
sWindowUnderMouse = nil;
ReEvaluateMouseEnterState(aEvent);
}
}
void
ChildViewMouseTracker::ReEvaluateMouseEnterState(NSEvent* aEvent)
{
ChildView* oldView = sLastMouseEventView;
sLastMouseEventView = ViewForEvent(aEvent);
if (sLastMouseEventView != oldView) {
// Send enter and / or exit events.
nsMouseEvent::exitType type = [sLastMouseEventView window] == [oldView window] ?
nsMouseEvent::eChild : nsMouseEvent::eTopLevel;
[oldView sendMouseEnterOrExitEvent:aEvent enter:NO type:type];
// After the cursor exits the window set it to a visible regular arrow cursor.
if (type == nsMouseEvent::eTopLevel) {
[[nsCursorManager sharedInstance] setCursor:eCursor_standard];
}
[sLastMouseEventView sendMouseEnterOrExitEvent:aEvent enter:YES type:type];
}
}
void
ChildViewMouseTracker::ResendLastMouseMoveEvent()
{
if (sLastMouseMoveEvent) {
MouseMoved(sLastMouseMoveEvent);
}
}
void
ChildViewMouseTracker::MouseMoved(NSEvent* aEvent)
{
MouseEnteredWindow(aEvent);
[sLastMouseEventView handleMouseMoved:aEvent];
if (sLastMouseMoveEvent != aEvent) {
[sLastMouseMoveEvent release];
sLastMouseMoveEvent = [aEvent retain];
}
}
void
ChildViewMouseTracker::MouseScrolled(NSEvent* aEvent)
{
if (!nsCocoaUtils::IsMomentumScrollEvent(aEvent)) {
// Store the position so we can pin future momentum scroll events.
sLastScrollEventScreenLocation = nsCocoaUtils::ScreenLocationForEvent(aEvent);
}
}
ChildView*
ChildViewMouseTracker::ViewForEvent(NSEvent* aEvent)
{
NSWindow* window = sWindowUnderMouse;
if (!window)
return nil;
NSPoint windowEventLocation = nsCocoaUtils::EventLocationForWindow(aEvent, window);
NSView* view = [[[window contentView] superview] hitTest:windowEventLocation];
if (![view isKindOfClass:[ChildView class]])
return nil;
ChildView* childView = (ChildView*)view;
// If childView is being destroyed return nil.
if (![childView widget])
return nil;
return WindowAcceptsEvent(window, aEvent, childView) ? childView : nil;
}
BOOL
ChildViewMouseTracker::WindowAcceptsEvent(NSWindow* aWindow, NSEvent* aEvent,
ChildView* aView, BOOL aIsClickThrough)
{
// Right mouse down events may get through to all windows, even to a top level
// window with an open sheet.
if (!aWindow || [aEvent type] == NSRightMouseDown)
return YES;
id delegate = [aWindow delegate];
if (!delegate || ![delegate isKindOfClass:[WindowDelegate class]])
return YES;
nsIWidget *windowWidget = [(WindowDelegate *)delegate geckoWidget];
if (!windowWidget)
return YES;
nsWindowType windowType;
windowWidget->GetWindowType(windowType);
NSWindow* topLevelWindow = nil;
switch (windowType) {
case eWindowType_popup:
// If this is a context menu, it won't have a parent. So we'll always
// accept mouse move events on context menus even when none of our windows
// is active, which is the right thing to do.
// For panels, the parent window is the XUL window that owns the panel.
return WindowAcceptsEvent([aWindow parentWindow], aEvent, aView, aIsClickThrough);
case eWindowType_toplevel:
case eWindowType_dialog:
if ([aWindow attachedSheet])
return NO;
topLevelWindow = aWindow;
break;
case eWindowType_sheet: {
nsIWidget* parentWidget = windowWidget->GetSheetWindowParent();
if (!parentWidget)
return YES;
topLevelWindow = (NSWindow*)parentWidget->GetNativeData(NS_NATIVE_WINDOW);
break;
}
default:
return YES;
}
if (!topLevelWindow ||
([topLevelWindow isMainWindow] && !aIsClickThrough) ||
[aEvent type] == NSOtherMouseDown ||
(([aEvent modifierFlags] & NSCommandKeyMask) != 0 &&
[aEvent type] != NSMouseMoved))
return YES;
// If we're here then we're dealing with a left click or mouse move on an
// inactive window or something similar. Ask Gecko what to do.
return [aView inactiveWindowAcceptsMouseEvent:aEvent];
}
#pragma mark -
@interface NSView (MethodSwizzling)
- (BOOL)nsChildView_NSView_mouseDownCanMoveWindow;
@end
@implementation NSView (MethodSwizzling)
// All top-level browser windows belong to the ToolbarWindow class and have
// NSTexturedBackgroundWindowMask turned on in their "style" (see particularly
// [ToolbarWindow initWithContentRect:...] in nsCocoaWindow.mm). This style
// normally means the window "may be moved by clicking and dragging anywhere
// in the window background", but we've suppressed this by giving the
// ChildView class a mouseDownCanMoveWindow method that always returns NO.
// Normally a ToolbarWindow's contentView (not a ChildView) returns YES when
// NSTexturedBackgroundWindowMask is turned on. But normally this makes no
// difference. However, under some (probably very unusual) circumstances
// (and only on Leopard) it *does* make a difference -- for example it
// triggers bmo bugs 431902 and 476393. So here we make sure that a
// ToolbarWindow's contentView always returns NO from the
// mouseDownCanMoveWindow method.
- (BOOL)nsChildView_NSView_mouseDownCanMoveWindow
{
NSWindow *ourWindow = [self window];
NSView *contentView = [ourWindow contentView];
if ([ourWindow isKindOfClass:[ToolbarWindow class]] && (self == contentView))
return NO;
return [self nsChildView_NSView_mouseDownCanMoveWindow];
}
@end
#ifdef __LP64__
// When using blocks, at least on OS X 10.7, the OS sometimes calls
// +[NSEvent removeMonitor:] more than once on a single event monitor, which
// causes crashes. See bug 678607. We hook these methods to work around
// the problem.
@interface NSEvent (MethodSwizzling)
+ (id)nsChildView_NSEvent_addLocalMonitorForEventsMatchingMask:(unsigned long long)mask handler:(id)block;
+ (void)nsChildView_NSEvent_removeMonitor:(id)eventMonitor;
@end
// This is a local copy of the AppKit frameworks sEventObservers hashtable.
// It only stores "local monitors". We use it to ensure that +[NSEvent
// removeMonitor:] is never called more than once on the same local monitor.
static NSHashTable *sLocalEventObservers = nil;
@implementation NSEvent (MethodSwizzling)
+ (id)nsChildView_NSEvent_addLocalMonitorForEventsMatchingMask:(unsigned long long)mask handler:(id)block
{
if (!sLocalEventObservers) {
sLocalEventObservers = [[NSHashTable hashTableWithOptions:
NSHashTableStrongMemory | NSHashTableObjectPointerPersonality] retain];
}
id retval =
[self nsChildView_NSEvent_addLocalMonitorForEventsMatchingMask:mask handler:block];
if (sLocalEventObservers && retval && ![sLocalEventObservers containsObject:retval]) {
[sLocalEventObservers addObject:retval];
}
return retval;
}
+ (void)nsChildView_NSEvent_removeMonitor:(id)eventMonitor
{
if (sLocalEventObservers && [eventMonitor isKindOfClass: ::NSClassFromString(@"_NSLocalEventObserver")]) {
if (![sLocalEventObservers containsObject:eventMonitor]) {
return;
}
[sLocalEventObservers removeObject:eventMonitor];
}
[self nsChildView_NSEvent_removeMonitor:eventMonitor];
}
@end
#endif // #ifdef __LP64__
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