ScrollingTreeMac.mm [plain text]
/*
* Copyright (C) 2012 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 "ScrollingTree.h"
#if ENABLE(THREADED_SCROLLING)
#import "AutodrainedPool.h"
#import "ScrollingTreeNodeMac.h"
#import <QuartzCore/CATextLayer.h>
namespace WebCore {
void ScrollingTree::setDebugRootLayer(CALayer *rootLayer)
{
AutodrainedPool pool;
[m_debugInfoLayer.get() removeFromSuperlayer];
if (!rootLayer)
return;
m_debugInfoLayer = [CALayer layer];
[rootLayer addSublayer:m_debugInfoLayer.get()];
[m_debugInfoLayer.get() setBorderWidth:1];
[m_debugInfoLayer.get() setBorderColor:CGColorGetConstantColor(kCGColorBlack)];
[m_debugInfoLayer.get() setFrame:CGRectMake(0, 0, 25, 25)];
updateDebugRootLayer();
}
void ScrollingTree::updateDebugRootLayer()
{
if (!m_debugInfoLayer)
return;
AutodrainedPool pool;
RetainPtr<CGColorRef> backgroundColor;
if (m_rootNode->shouldUpdateScrollLayerPositionOnMainThread())
backgroundColor = adoptCF(CGColorCreateGenericRGB(1, 0, 0, .7));
{
MutexLocker lock(m_mutex);
if (m_hasWheelEventHandlers) {
if (!backgroundColor)
backgroundColor = adoptCF(CGColorCreateGenericRGB(1, 1, 0, .7));
}
}
if (!backgroundColor)
backgroundColor = adoptCF(CGColorCreateGenericRGB(0, 1, 0, .7));
[m_debugInfoLayer.get() setBackgroundColor:backgroundColor.get()];
}
} // namespace WebCore
#endif // ENABLE(THREADED_SCROLLING)