/* * 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 { if (m_layerOwner && m_layerOwner->client() && m_layerOwner->drawsContent()) { #if defined(BUILDING_ON_LEOPARD) dirtyRect = CGRectApplyAffineTransform(dirtyRect, [self contentsTransform]); #endif [super setNeedsDisplayInRect:dirtyRect]; #ifndef NDEBUG if (m_layerOwner->showRepaintCounter()) { CGRect bounds = [self bounds]; CGRect indicatorRect = CGRectMake(bounds.origin.x, bounds.origin.y, 46, 25); #if defined(BUILDING_ON_LEOPARD) indicatorRect = CGRectApplyAffineTransform(indicatorRect, [self contentsTransform]); #endif [super setNeedsDisplayInRect:indicatorRect]; } #endif } } - (void)drawInContext:(CGContextRef)ctx { [WebLayer drawContents:m_layerOwner ofLayer:self intoContext:ctx]; } @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)