| /* |
| * 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)display |
| { |
| [super display]; |
| if (m_layerOwner) |
| m_layerOwner->didDisplay(self); |
| } |
| |
| - (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) |