WKFullScreenWindowController.mm [plain text]
/*
* Copyright (C) 2009, 2010, 2011 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#if ENABLE(FULLSCREEN_API)
#import "WKFullScreenWindowController.h"
#import "LayerTreeContext.h"
#import "WKAPICast.h"
#import "WKViewInternal.h"
#import "WKViewPrivate.h"
#import "WebFullScreenManagerProxy.h"
#import "WebPageProxy.h"
#import <QuartzCore/QuartzCore.h>
#import <WebCore/DisplaySleepDisabler.h>
#import <WebCore/FloatRect.h>
#import <WebCore/IntRect.h>
#import <WebCore/WebCoreFullScreenWindow.h>
#import <WebCore/WebWindowAnimation.h>
#import <WebKit/WebNSWindowExtras.h>
#import <WebKitSystemInterface.h>
#import <wtf/UnusedParam.h>
using namespace WebKit;
using namespace WebCore;
static RetainPtr<NSWindow> createBackgroundFullscreenWindow(NSRect frame);
static const CFTimeInterval defaultAnimationDuration = 0.5;
static const NSTimeInterval DefaultWatchdogTimerInterval = 1;
@interface WKFullScreenWindowController(Private)<NSAnimationDelegate>
- (void)_updateMenuAndDockForFullScreen;
- (void)_swapView:(NSView*)view with:(NSView*)otherView;
- (WebPageProxy*)_page;
- (WebFullScreenManagerProxy*)_manager;
- (void)_startEnterFullScreenAnimationWithDuration:(NSTimeInterval)duration;
- (void)_startExitFullScreenAnimationWithDuration:(NSTimeInterval)duration;
@end
#if defined(BUILDING_ON_LEOPARD) || defined(BUILDING_ON_SNOW_LEOPARD)
@interface NSWindow(convertRectToScreenForLeopardAndSnowLeopard)
- (NSRect)convertRectToScreen:(NSRect)aRect;
@end
@implementation NSWindow(convertRectToScreenForLeopardAndSnowLeopard)
- (NSRect)convertRectToScreen:(NSRect)rect
{
NSRect frame = [self frame];
rect.origin.x += frame.origin.x;
rect.origin.y += frame.origin.y;
return rect;
}
@end
#endif
@interface NSWindow(IsOnActiveSpaceAdditionForTigerAndLeopard)
- (BOOL)isOnActiveSpace;
@end
@implementation WKFullScreenWindowController
#pragma mark -
#pragma mark Initialization
- (id)init
{
NSWindow *window = [[WebCoreFullScreenWindow alloc] initWithContentRect:NSZeroRect styleMask:NSBorderlessWindowMask backing:NSBackingStoreBuffered defer:NO];
self = [super initWithWindow:window];
[window release];
if (!self)
return nil;
[self windowDidLoad];
return self;
}
- (void)dealloc
{
[self setWebView:nil];
[NSObject cancelPreviousPerformRequestsWithTarget:self];
[[NSNotificationCenter defaultCenter] removeObserver:self];
[super dealloc];
}
- (void)windowDidLoad
{
[super windowDidLoad];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationDidResignActive:) name:NSApplicationDidResignActiveNotification object:NSApp];
[[NSNotificationCenter defaultCenter] addObserver:self selector:@selector(applicationDidChangeScreenParameters:) name:NSApplicationDidChangeScreenParametersNotification object:NSApp];
}
#pragma mark -
#pragma mark Accessors
- (WKView*)webView
{
return _webView;
}
- (void)setWebView:(WKView *)webView
{
[webView retain];
[_webView release];
_webView = webView;
}
- (BOOL)isFullScreen
{
return _isFullScreen;
}
#pragma mark -
#pragma mark NSWindowController overrides
- (void)cancelOperation:(id)sender
{
[self _manager]->requestExitFullScreen();
// If the page doesn't respond in DefaultWatchdogTimerInterval seconds, it could be because
// the WebProcess has hung, so exit anyway.
if (!_watchdogTimer)
_watchdogTimer = adoptNS([NSTimer scheduledTimerWithTimeInterval:DefaultWatchdogTimerInterval target:self selector:@selector(exitFullScreen) userInfo:nil repeats:NO]);
}
#pragma mark -
#pragma mark Notifications
- (void)applicationDidResignActive:(NSNotification*)notification
{
// Check to see if the fullScreenWindow is on the active space; this function is available
// on 10.6 and later, so default to YES if the function is not available:
NSWindow* fullScreenWindow = [self window];
BOOL isOnActiveSpace = ([fullScreenWindow respondsToSelector:@selector(isOnActiveSpace)] ? [fullScreenWindow isOnActiveSpace] : YES);
// Replicate the QuickTime Player (X) behavior when losing active application status:
// Is the fullScreen screen the main screen? (Note: this covers the case where only a
// single screen is available.) Is the fullScreen screen on the current space? IFF so,
// then exit fullScreen mode.
if ([fullScreenWindow screen] == [[NSScreen screens] objectAtIndex:0] && isOnActiveSpace)
[self cancelOperation:self];
}
- (void)applicationDidChangeScreenParameters:(NSNotification*)notification
{
// The user may have changed the main screen by moving the menu bar, or they may have changed
// the Dock's size or location, or they may have changed the fullScreen screen's dimensions.
// Update our presentation parameters, and ensure that the full screen window occupies the
// entire screen:
[self _updateMenuAndDockForFullScreen];
NSWindow* window = [self window];
NSRect screenFrame = [[window screen] frame];
[window setFrame:screenFrame display:YES];
[_backgroundWindow.get() setFrame:screenFrame display:YES];
}
#pragma mark -
#pragma mark Exposed Interface
static RetainPtr<CGDataProviderRef> createImageProviderWithCopiedData(CGDataProviderRef sourceProvider)
{
RetainPtr<CFDataRef> data = adoptCF(CGDataProviderCopyData(sourceProvider));
return adoptCF(CGDataProviderCreateWithCFData(data.get()));
}
static RetainPtr<CGImageRef> createImageWithCopiedData(CGImageRef sourceImage)
{
size_t width = CGImageGetWidth(sourceImage);
size_t height = CGImageGetHeight(sourceImage);
size_t bitsPerComponent = CGImageGetBitsPerComponent(sourceImage);
size_t bitsPerPixel = CGImageGetBitsPerPixel(sourceImage);
size_t bytesPerRow = CGImageGetBytesPerRow(sourceImage);
CGColorSpaceRef colorSpace = CGImageGetColorSpace(sourceImage);
CGBitmapInfo bitmapInfo = CGImageGetBitmapInfo(sourceImage);
RetainPtr<CGDataProviderRef> provider = createImageProviderWithCopiedData(CGImageGetDataProvider(sourceImage));
bool shouldInterpolate = CGImageGetShouldInterpolate(sourceImage);
CGColorRenderingIntent intent = CGImageGetRenderingIntent(sourceImage);
return adoptCF(CGImageCreate(width, height, bitsPerComponent, bitsPerPixel, bytesPerRow, colorSpace, bitmapInfo, provider.get(), 0, shouldInterpolate, intent));
}
- (void)enterFullScreen:(NSScreen *)screen
{
if (_isFullScreen)
return;
_isFullScreen = YES;
[self _updateMenuAndDockForFullScreen];
if (!screen)
screen = [NSScreen mainScreen];
NSRect screenFrame = [screen frame];
NSRect webViewFrame = [[_webView window] convertRectToScreen:
[_webView convertRect:[_webView frame] toView:nil]];
// Flip coordinate system:
webViewFrame.origin.y = NSMaxY([[[NSScreen screens] objectAtIndex:0] frame]) - NSMaxY(webViewFrame);
CGWindowID windowID = [[_webView window] windowNumber];
RetainPtr<CGImageRef> webViewContents(AdoptCF, CGWindowListCreateImage(NSRectToCGRect(webViewFrame), kCGWindowListOptionIncludingWindow, windowID, kCGWindowImageShouldBeOpaque));
// Using the returned CGImage directly would result in calls to the WindowServer every time
// the image was painted. Instead, copy the image data into our own process to eliminate that
// future overhead.
webViewContents = createImageWithCopiedData(webViewContents.get());
// Screen updates to be re-enabled in _startEnterFullScreenAnimationWithDuration:
NSDisableScreenUpdates();
[[self window] setAutodisplay:NO];
NSResponder *webWindowFirstResponder = [[_webView window] firstResponder];
[[self window] setFrame:screenFrame display:NO];
// Painting is normally suspended when the WKView is removed from the window, but this is
// unnecessary in the full-screen animation case, and can cause bugs; see
// https://bugs.webkit.org/show_bug.cgi?id=88940 and https://bugs.webkit.org/show_bug.cgi?id=88374
// We will resume the normal behavior in _startEnterFullScreenAnimationWithDuration:
[_webView _setSuppressVisibilityUpdates:YES];
// Swap the webView placeholder into place.
if (!_webViewPlaceholder) {
_webViewPlaceholder.adoptNS([[NSImageView alloc] init]);
[_webViewPlaceholder.get() setLayer:[CALayer layer]];
[_webViewPlaceholder.get() setWantsLayer:YES];
}
[[_webViewPlaceholder.get() layer] setContents:(id)webViewContents.get()];
[self _swapView:_webView with:_webViewPlaceholder.get()];
// Then insert the WebView into the full screen window
NSView* contentView = [[self window] contentView];
[contentView addSubview:_webView positioned:NSWindowBelow relativeTo:nil];
[_webView setFrame:[contentView bounds]];
[[self window] makeResponder:webWindowFirstResponder firstResponderIfDescendantOfView:_webView];
[self _manager]->setAnimatingFullScreen(true);
[self _manager]->willEnterFullScreen();
}
- (void)beganEnterFullScreenWithInitialFrame:(const WebCore::IntRect&)initialFrame finalFrame:(const WebCore::IntRect&)finalFrame
{
if (_isEnteringFullScreen)
return;
_isEnteringFullScreen = YES;
_initialFrame = initialFrame;
_finalFrame = finalFrame;
[self _updateMenuAndDockForFullScreen];
[self _startEnterFullScreenAnimationWithDuration:defaultAnimationDuration];
}
- (void)finishedEnterFullScreenAnimation:(bool)completed
{
if (!_isEnteringFullScreen)
return;
_isEnteringFullScreen = NO;
if (completed) {
// Screen updates to be re-enabled ta the end of the current block.
NSDisableScreenUpdates();
[self _manager]->didEnterFullScreen();
[self _manager]->setAnimatingFullScreen(false);
NSRect windowBounds = [[self window] frame];
windowBounds.origin = NSZeroPoint;
WKWindowSetClipRect([self window], windowBounds);
NSWindow *webWindow = [_webViewPlaceholder.get() window];
#if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)
// In Lion, NSWindow will animate into and out of orderOut operations. Suppress that
// behavior here, making sure to reset the animation behavior afterward.
NSWindowAnimationBehavior animationBehavior = [webWindow animationBehavior];
[webWindow setAnimationBehavior:NSWindowAnimationBehaviorNone];
#endif
[webWindow orderOut:self];
#if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)
[webWindow setAnimationBehavior:animationBehavior];
#endif
[_fadeAnimation.get() stopAnimation];
[_fadeAnimation.get() setWindow:nil];
_fadeAnimation = nullptr;
[_backgroundWindow.get() orderOut:self];
[_backgroundWindow.get() setFrame:NSZeroRect display:YES];
NSEnableScreenUpdates();
} else
[_scaleAnimation.get() stopAnimation];
}
- (void)exitFullScreen
{
if (_watchdogTimer) {
[_watchdogTimer.get() invalidate];
_watchdogTimer.clear();
}
if (!_isFullScreen)
return;
_isFullScreen = NO;
// Screen updates to be re-enabled in _startExitFullScreenAnimationWithDuration:
NSDisableScreenUpdates();
[[self window] setAutodisplay:NO];
// See the related comment in enterFullScreen:
// We will resume the normal behavior in _startExitFullScreenAnimationWithDuration:
[_webView _setSuppressVisibilityUpdates:YES];
[self _manager]->setAnimatingFullScreen(true);
[self _manager]->willExitFullScreen();
}
- (void)beganExitFullScreenWithInitialFrame:(const WebCore::IntRect&)initialFrame finalFrame:(const WebCore::IntRect&)finalFrame
{
if (_isExitingFullScreen)
return;
_isExitingFullScreen = YES;
if (_isEnteringFullScreen)
[self finishedEnterFullScreenAnimation:NO];
[self _updateMenuAndDockForFullScreen];
NSWindow* webWindow = [_webViewPlaceholder.get() window];
#if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)
// In Lion, NSWindow will animate into and out of orderOut operations. Suppress that
// behavior here, making sure to reset the animation behavior afterward.
NSWindowAnimationBehavior animationBehavior = [webWindow animationBehavior];
[webWindow setAnimationBehavior:NSWindowAnimationBehaviorNone];
#endif
// If the user has moved the fullScreen window into a new space, temporarily change
// the collectionBehavior of the webView's window so that it is pulled into the active space:
if (!([webWindow respondsToSelector:@selector(isOnActiveSpace)] ? [webWindow isOnActiveSpace] : YES)) {
NSWindowCollectionBehavior behavior = [webWindow collectionBehavior];
[webWindow setCollectionBehavior:NSWindowCollectionBehaviorCanJoinAllSpaces];
[webWindow orderWindow:NSWindowBelow relativeTo:[[self window] windowNumber]];
[webWindow setCollectionBehavior:behavior];
} else
[webWindow orderWindow:NSWindowBelow relativeTo:[[self window] windowNumber]];
#if !defined(BUILDING_ON_LEOPARD) && !defined(BUILDING_ON_SNOW_LEOPARD)
[webWindow setAnimationBehavior:animationBehavior];
#endif
[self _startExitFullScreenAnimationWithDuration:defaultAnimationDuration];
}
static void completeFinishExitFullScreenAnimationAfterRepaint(WKErrorRef, void*);
- (void)finishedExitFullScreenAnimation:(bool)completed
{
if (!_isExitingFullScreen)
return;
_isExitingFullScreen = NO;
[self _updateMenuAndDockForFullScreen];
// Screen updates to be re-enabled in completeFinishExitFullScreenAnimationAfterRepaint.
NSDisableScreenUpdates();
[[_webViewPlaceholder.get() window] setAutodisplay:NO];
NSResponder *firstResponder = [[self window] firstResponder];
[self _swapView:_webViewPlaceholder.get() with:_webView];
[[_webView window] makeResponder:firstResponder firstResponderIfDescendantOfView:_webView];
NSRect windowBounds = [[self window] frame];
windowBounds.origin = NSZeroPoint;
WKWindowSetClipRect([self window], windowBounds);
[[self window] orderOut:self];
[[self window] setFrame:NSZeroRect display:YES];
[_fadeAnimation.get() stopAnimation];
[_fadeAnimation.get() setWindow:nil];
_fadeAnimation = nullptr;
[_backgroundWindow.get() orderOut:self];
[_backgroundWindow.get() setFrame:NSZeroRect display:YES];
[[_webView window] makeKeyAndOrderFront:self];
// These messages must be sent after the swap or flashing will occur during forceRepaint:
[self _manager]->didExitFullScreen();
[self _manager]->setAnimatingFullScreen(false);
[self _page]->forceRepaint(VoidCallback::create(self, completeFinishExitFullScreenAnimationAfterRepaint));
}
- (void)completeFinishExitFullScreenAnimationAfterRepaint
{
[[_webView window] setAutodisplay:YES];
[[_webView window] displayIfNeeded];
NSEnableScreenUpdates();
}
static void completeFinishExitFullScreenAnimationAfterRepaint(WKErrorRef, void* _self)
{
[(WKFullScreenWindowController*)_self completeFinishExitFullScreenAnimationAfterRepaint];
}
- (void)close
{
// We are being asked to close rapidly, most likely because the page
// has closed or the web process has crashed. Just walk through our
// normal exit full screen sequence, but don't wait to be called back
// in response.
if (_isFullScreen)
[self exitFullScreen];
if (_isExitingFullScreen)
[self finishedExitFullScreenAnimation:YES];
[super close];
}
#pragma mark -
#pragma mark NSAnimation delegate
- (void)animationDidEnd:(NSAnimation*)animation
{
if (_isFullScreen)
[self finishedEnterFullScreenAnimation:YES];
else
[self finishedExitFullScreenAnimation:YES];
}
#pragma mark -
#pragma mark Internal Interface
- (void)_updateMenuAndDockForFullScreen
{
// NSApplicationPresentationOptions is available on > 10.6 only:
#ifndef BUILDING_ON_LEOPARD
NSApplicationPresentationOptions options = NSApplicationPresentationDefault;
NSScreen* fullScreenScreen = [[self window] screen];
if (_isFullScreen) {
// Auto-hide the menu bar if the fullScreenScreen contains the menu bar:
// NOTE: if the fullScreenScreen contains the menu bar but not the dock, we must still
// auto-hide the dock, or an exception will be thrown.
if ([[NSScreen screens] objectAtIndex:0] == fullScreenScreen)
options |= (NSApplicationPresentationAutoHideMenuBar | NSApplicationPresentationAutoHideDock);
// Check if the current screen contains the dock by comparing the screen's frame to its
// visibleFrame; if a dock is present, the visibleFrame will differ. If the current screen
// contains the dock, hide it.
else if (!NSEqualRects([fullScreenScreen frame], [fullScreenScreen visibleFrame]))
options |= NSApplicationPresentationAutoHideDock;
}
if ([NSApp respondsToSelector:@selector(setPresentationOptions:)])
[NSApp setPresentationOptions:options];
else
#endif
SetSystemUIMode(_isFullScreen ? kUIModeAllHidden : kUIModeNormal, 0);
}
- (WebPageProxy*)_page
{
return toImpl([_webView pageRef]);
}
- (WebFullScreenManagerProxy*)_manager
{
WebPageProxy* webPage = [self _page];
if (!webPage)
return 0;
return webPage->fullScreenManager();
}
- (void)_swapView:(NSView*)view with:(NSView*)otherView
{
[CATransaction begin];
[CATransaction setDisableActions:YES];
[otherView setFrame:[view frame]];
[otherView setAutoresizingMask:[view autoresizingMask]];
[otherView removeFromSuperview];
[[view superview] addSubview:otherView positioned:NSWindowAbove relativeTo:view];
[view removeFromSuperview];
[CATransaction commit];
}
static RetainPtr<NSWindow> createBackgroundFullscreenWindow(NSRect frame)
{
NSWindow *window = [[NSWindow alloc] initWithContentRect:frame styleMask:NSBorderlessWindowMask backing:NSBackingStoreBuffered defer:NO];
[window setOpaque:YES];
[window setBackgroundColor:[NSColor blackColor]];
[window setReleasedWhenClosed:NO];
return adoptNS(window);
}
static NSRect windowFrameFromApparentFrames(NSRect screenFrame, NSRect initialFrame, NSRect finalFrame)
{
NSRect initialWindowFrame;
if (!NSWidth(initialFrame) || !NSWidth(finalFrame) || !NSHeight(initialFrame) || !NSHeight(finalFrame))
return screenFrame;
CGFloat xScale = NSWidth(screenFrame) / NSWidth(finalFrame);
CGFloat yScale = NSHeight(screenFrame) / NSHeight(finalFrame);
CGFloat xTrans = NSMinX(screenFrame) - NSMinX(finalFrame);
CGFloat yTrans = NSMinY(screenFrame) - NSMinY(finalFrame);
initialWindowFrame.size = NSMakeSize(NSWidth(initialFrame) * xScale, NSHeight(initialFrame) * yScale);
initialWindowFrame.origin = NSMakePoint
( NSMinX(initialFrame) + xTrans / (NSWidth(finalFrame) / NSWidth(initialFrame))
, NSMinY(initialFrame) + yTrans / (NSHeight(finalFrame) / NSHeight(initialFrame)));
return initialWindowFrame;
}
- (void)_startEnterFullScreenAnimationWithDuration:(NSTimeInterval)duration
{
NSRect screenFrame = [[[self window] screen] frame];
NSRect initialWindowFrame = windowFrameFromApparentFrames(screenFrame, _initialFrame, _finalFrame);
_scaleAnimation.adoptNS([[WebWindowScaleAnimation alloc] initWithHintedDuration:duration window:[self window] initalFrame:initialWindowFrame finalFrame:screenFrame]);
[_scaleAnimation.get() setAnimationBlockingMode:NSAnimationNonblocking];
[_scaleAnimation.get() setDelegate:self];
[_scaleAnimation.get() setCurrentProgress:0];
[_scaleAnimation.get() startAnimation];
// WKWindowSetClipRect takes window coordinates, so convert from screen coordinates here:
NSRect finalBounds = _finalFrame;
finalBounds.origin = [[self window] convertScreenToBase:finalBounds.origin];
WKWindowSetClipRect([self window], finalBounds);
[[self window] makeKeyAndOrderFront:self];
if (!_backgroundWindow)
_backgroundWindow = createBackgroundFullscreenWindow(screenFrame);
else
[_backgroundWindow.get() setFrame:screenFrame display:NO];
CGFloat currentAlpha = 0;
if (_fadeAnimation) {
currentAlpha = [_fadeAnimation.get() currentAlpha];
[_fadeAnimation.get() stopAnimation];
[_fadeAnimation.get() setWindow:nil];
}
_fadeAnimation.adoptNS([[WebWindowFadeAnimation alloc] initWithDuration:duration
window:_backgroundWindow.get()
initialAlpha:currentAlpha
finalAlpha:1]);
[_fadeAnimation.get() setAnimationBlockingMode:NSAnimationNonblocking];
[_fadeAnimation.get() setCurrentProgress:0];
[_fadeAnimation.get() startAnimation];
[_backgroundWindow.get() orderWindow:NSWindowBelow relativeTo:[[self window] windowNumber]];
[_webView _setSuppressVisibilityUpdates:NO];
[[self window] setAutodisplay:YES];
[[self window] displayIfNeeded];
NSEnableScreenUpdates();
}
- (void)_startExitFullScreenAnimationWithDuration:(NSTimeInterval)duration
{
NSRect screenFrame = [[[self window] screen] frame];
NSRect initialWindowFrame = windowFrameFromApparentFrames(screenFrame, _initialFrame, _finalFrame);
NSRect currentFrame = _scaleAnimation ? [_scaleAnimation.get() currentFrame] : [[self window] frame];
_scaleAnimation.adoptNS([[WebWindowScaleAnimation alloc] initWithHintedDuration:duration window:[self window] initalFrame:currentFrame finalFrame:initialWindowFrame]);
[_scaleAnimation.get() setAnimationBlockingMode:NSAnimationNonblocking];
[_scaleAnimation.get() setDelegate:self];
[_scaleAnimation.get() setCurrentProgress:0];
[_scaleAnimation.get() startAnimation];
if (!_backgroundWindow)
_backgroundWindow = createBackgroundFullscreenWindow(screenFrame);
else
[_backgroundWindow.get() setFrame:screenFrame display:NO];
CGFloat currentAlpha = 1;
if (_fadeAnimation) {
currentAlpha = [_fadeAnimation.get() currentAlpha];
[_fadeAnimation.get() stopAnimation];
[_fadeAnimation.get() setWindow:nil];
}
_fadeAnimation.adoptNS([[WebWindowFadeAnimation alloc] initWithDuration:duration
window:_backgroundWindow.get()
initialAlpha:currentAlpha
finalAlpha:0]);
[_fadeAnimation.get() setAnimationBlockingMode:NSAnimationNonblocking];
[_fadeAnimation.get() setCurrentProgress:0];
[_fadeAnimation.get() startAnimation];
[_backgroundWindow.get() orderWindow:NSWindowBelow relativeTo:[[self window] windowNumber]];
// WKWindowSetClipRect takes window coordinates, so convert from screen coordinates here:
NSRect finalBounds = _finalFrame;
finalBounds.origin = [[self window] convertScreenToBase:finalBounds.origin];
WKWindowSetClipRect([self window], finalBounds);
[_webView _setSuppressVisibilityUpdates:NO];
[[self window] setAutodisplay:YES];
[[self window] displayIfNeeded];
NSEnableScreenUpdates();
}
@end
#endif