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 class IntPoint; 36 class IntRect; 37 class FloatPoint; 38 39 enum GraphicsLayerPaintingPhase { 40 GraphicsLayerPaintBackgroundMask = (1 << 0), 41 GraphicsLayerPaintForegroundMask = (1 << 1), 42 GraphicsLayerPaintAllMask = (GraphicsLayerPaintBackgroundMask | GraphicsLayerPaintForegroundMask) 43 }; 44 45 enum AnimatedPropertyID { 46 AnimatedPropertyInvalid, 47 AnimatedPropertyWebkitTransform, 48 AnimatedPropertyOpacity, 49 AnimatedPropertyBackgroundColor 50 }; 51 52 class GraphicsLayerClient { 53 public: ~GraphicsLayerClient()54 virtual ~GraphicsLayerClient() {} 55 56 // Callback for when hardware-accelerated animation started. 57 virtual void notifyAnimationStarted(const GraphicsLayer*, double time) = 0; 58 59 // Notification that a layer property changed that requires a subsequent call to syncCompositingState() 60 // to appear on the screen. 61 virtual void notifySyncRequired(const GraphicsLayer*) = 0; 62 63 virtual void paintContents(const GraphicsLayer*, GraphicsContext&, GraphicsLayerPaintingPhase, const IntRect& inClip) = 0; 64 }; 65 66 } // namespace WebCore 67 68 #endif // USE(ACCELERATED_COMPOSITING) 69 70 #endif // GraphicsLayerClient_h 71