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/*
* Copyright (C) 2009 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. ``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 COMPUTER, INC. OR
* 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.
*/
#include "config.h"
#if USE(ACCELERATED_COMPOSITING)
#import "WebTiledLayer.h"
#import "GraphicsContext.h"
#import "GraphicsLayer.h"
#import <wtf/UnusedParam.h>
using namespace WebCore;
@implementation WebTiledLayer
// Set a zero duration for the fade in of tiles
+ (CFTimeInterval)fadeDuration
{
return 0;
}
// Make sure that tiles are drawn on the main thread
+ (BOOL)shouldDrawOnMainThread
{
return YES;
}
// Disable default animations
- (id<CAAction>)actionForKey:(NSString *)key
{
UNUSED_PARAM(key);
return nil;
}
// Implement this so presentationLayer can get our custom attributes
- (id)initWithLayer:(id)layer
{
if ((self = [super initWithLayer:layer]))
m_layerOwner = [(WebLayer*)layer layerOwner];
return self;
}
- (void)setNeedsDisplay
{
if (m_layerOwner && m_layerOwner->client() && m_layerOwner->drawsContent())
[super setNeedsDisplay];
}
- (void)setNeedsDisplayInRect:(CGRect)dirtyRect
{
setLayerNeedsDisplayInRect(self, m_layerOwner, dirtyRect);
}
- (void)display
{
[super display];
if (m_layerOwner)
m_layerOwner->didDisplay(self);
}
- (void)drawInContext:(CGContextRef)context
{
drawLayerContents(context, self, m_layerOwner);
}
@end // implementation WebTiledLayer
#pragma mark -
@implementation WebTiledLayer(LayerMacAdditions)
- (void)setLayerOwner:(GraphicsLayer*)aLayer
{
m_layerOwner = aLayer;
}
- (GraphicsLayer*)layerOwner
{
return m_layerOwner;
}
@end
#endif // USE(ACCELERATED_COMPOSITING)
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