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 GraphicsLayerClient_h 27 #define GraphicsLayerClient_h 28 29 #if USE(ACCELERATED_COMPOSITING) 30 31 namespace WebCore { 32 33 class GraphicsContext; 34 class GraphicsLayer; 35 #if PLATFORM(ANDROID) 36 class RenderLayer; 37 #endif 38 class IntPoint; 39 class IntRect; 40 class FloatPoint; 41 42 enum GraphicsLayerPaintingPhase { 43 GraphicsLayerPaintBackground = (1 << 0), 44 GraphicsLayerPaintForeground = (1 << 1), 45 GraphicsLayerPaintMask = (1 << 2), 46 #if PLATFORM(ANDROID) 47 GraphicsLayerPaintBackgroundDecorations = (1 << 3), 48 #endif 49 GraphicsLayerPaintAll = (GraphicsLayerPaintBackground | GraphicsLayerPaintForeground | GraphicsLayerPaintMask) 50 }; 51 52 enum AnimatedPropertyID { 53 AnimatedPropertyInvalid, 54 AnimatedPropertyWebkitTransform, 55 AnimatedPropertyOpacity, 56 AnimatedPropertyBackgroundColor 57 }; 58 59 class GraphicsLayerClient { 60 public: ~GraphicsLayerClient()61 virtual ~GraphicsLayerClient() {} 62 63 #if PLATFORM(ANDROID) owningLayer()64 virtual RenderLayer* owningLayer() const { return 0; } 65 #endif 66 67 // Callback for when hardware-accelerated animation started. 68 virtual void notifyAnimationStarted(const GraphicsLayer*, double time) = 0; 69 70 // Notification that a layer property changed that requires a subsequent call to syncCompositingState() 71 // to appear on the screen. 72 virtual void notifySyncRequired(const GraphicsLayer*) = 0; 73 74 virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const IntRect& inClip) = 0; 75 76 virtual bool showDebugBorders() const = 0; 77 virtual bool showRepaintCounter() const = 0; 78 }; 79 80 } // namespace WebCore 81 82 #endif // USE(ACCELERATED_COMPOSITING) 83 84 #endif // GraphicsLayerClient_h 85