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/*
* Copyright (C) 2010 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
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
#import "config.h"
#import "LayerBackedDrawingAreaProxy.h"
#import "DrawingAreaMessageKinds.h"
#import "DrawingAreaProxyMessageKinds.h"
#import <QuartzCore/QuartzCore.h>
#import "WKAPICast.h"
#import "WKView.h"
#import "WKViewInternal.h"
#import "WebKitSystemInterface.h"
#import "WebPageProxy.h"
using namespace WebCore;
namespace WebKit {
WebPageProxy* LayerBackedDrawingAreaProxy::page()
{
return toImpl([m_webView pageRef]);
}
void LayerBackedDrawingAreaProxy::platformSetSize()
{
[m_compositingRootLayer.get() setBounds:CGRectMake(0, 0, size().width(), size().height())];
}
void LayerBackedDrawingAreaProxy::attachCompositingContext(uint32_t contextID)
{
#if HAVE(HOSTED_CORE_ANIMATION)
m_compositingRootLayer = WKMakeRenderLayer(contextID);
// Turn off default animations.
NSNull *nullValue = [NSNull null];
NSDictionary *actions = [NSDictionary dictionaryWithObjectsAndKeys:
nullValue, @"anchorPoint",
nullValue, @"bounds",
nullValue, @"contents",
nullValue, @"contentsRect",
nullValue, @"opacity",
nullValue, @"position",
nullValue, @"sublayerTransform",
nullValue, @"sublayers",
nullValue, @"transform",
nil];
[m_compositingRootLayer.get() setStyle:[NSDictionary dictionaryWithObject:actions forKey:@"actions"]];
[m_compositingRootLayer.get() setAnchorPoint:CGPointZero];
[m_compositingRootLayer.get() setBounds:CGRectMake(0, 0, size().width(), size().height())];
// FIXME: this fixes the layer jiggle when resizing the window, but breaks layer flipping because
// CA doesn't propagate the kCALayerFlagFlippedAbove through the remote layer.
// [m_compositingRootLayer.get() setGeometryFlipped:YES];
#ifndef NDEBUG
[m_compositingRootLayer.get() setName:@"Compositing root layer"];
#endif
[m_webView _startAcceleratedCompositing:m_compositingRootLayer.get()];
#endif
}
void LayerBackedDrawingAreaProxy::detachCompositingContext()
{
[m_webView _stopAcceleratedCompositing];
m_compositingRootLayer = 0;
}
bool LayerBackedDrawingAreaProxy::paint(const IntRect& rect, PlatformDrawingContext context)
{
WebPageProxy* webPageProxy = page();
if (webPageProxy->drawsBackground() && webPageProxy->drawsTransparentBackground()) {
CGContextSaveGState(context);
CGContextSetBlendMode(context, kCGBlendModeCopy);
CGContextSetFillColorWithColor(context, CGColorGetConstantColor(kCGColorClear));
CGContextFillRect(context, rect);
CGContextRestoreGState(context);
}
return true;
}
} // namespace WebKit
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