1 /* 2 * Copyright (C) 2009, 2011 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 AbstractCACFLayerTreeHost_h 27 #define AbstractCACFLayerTreeHost_h 28 29 #if USE(ACCELERATED_COMPOSITING) 30 31 #include <wtf/Forward.h> 32 33 namespace WebCore { 34 35 class PlatformCALayer; 36 37 class AbstractCACFLayerTreeHost { 38 public: 39 virtual PlatformCALayer* rootLayer() const = 0; 40 virtual void addPendingAnimatedLayer(PassRefPtr<PlatformCALayer>) = 0; 41 virtual void layerTreeDidChange() = 0; 42 virtual void flushPendingLayerChangesNow() = 0; 43 44 protected: 45 virtual ~AbstractCACFLayerTreeHost() { } 46 }; 47 48 } 49 50 #endif // USE(ACCELERATED_COMPOSITING) 51 52 #endif // AbstractCACFLayerTreeHost_h 53
