1 /* 2 * Copyright (C) 2009 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef WebLayer_h 27 #define WebLayer_h 28 29 #if USE(ACCELERATED_COMPOSITING) 30 31 #import <QuartzCore/QuartzCore.h> 32 33 namespace WebCore { 34 class GraphicsLayer; 35 } 36 37 // Category implemented by WebLayer and WebTiledLayer. 38 @interface CALayer(WebLayerAdditions) 39 40 - (void)setLayerOwner:(WebCore::GraphicsLayer*)layer; 41 - (WebCore::GraphicsLayer*)layerOwner; 42 43 @end 44 45 #if defined(BUILDING_ON_LEOPARD) 46 @interface CALayer(WebLayerInternal) 47 - (CGAffineTransform)contentsTransform; 48 - (void)setContentsTransform:(CGAffineTransform)t; 49 @end 50 #endif 51 52 @interface WebLayer : CALayer 53 { 54 WebCore::GraphicsLayer* m_layerOwner; 55 } 56 57 // Class method allows us to share implementation across TiledLayerMac and WebLayer 58 + (void)drawContents:(WebCore::GraphicsLayer*)layerContents ofLayer:(CALayer*)layer intoContext:(CGContextRef)context; 59 60 @end 61 62 #endif // USE(ACCELERATED_COMPOSITING) 63 64 #endif // WebLayer_h 65