1/* 2 * Copyright (C) 2012 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. AND ITS CONTRIBUTORS ``AS IS'' 14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, 15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS 17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF 23 * THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#ifndef RemoteLayerTreeContext_h 27#define RemoteLayerTreeContext_h 28 29#include "LayerTreeContext.h" 30#include "RemoteLayerBackingStoreCollection.h" 31#include "RemoteLayerTreeTransaction.h" 32#include "WebPage.h" 33#include <WebCore/GraphicsLayerFactory.h> 34#include <WebCore/LayerPool.h> 35#include <WebCore/PlatformCALayer.h> 36#include <wtf/Vector.h> 37 38namespace WebKit { 39 40class PlatformCALayerRemote; 41class WebPage; 42 43// FIXME: This class doesn't do much now. Roll into RemoteLayerTreeDrawingArea? 44class RemoteLayerTreeContext : public WebCore::GraphicsLayerFactory { 45public: 46 explicit RemoteLayerTreeContext(WebPage&); 47 ~RemoteLayerTreeContext(); 48 49 void layerWasCreated(PlatformCALayerRemote&, WebCore::PlatformCALayer::LayerType); 50 void layerWillBeDestroyed(PlatformCALayerRemote&); 51 52 void backingStoreWasCreated(RemoteLayerBackingStore&); 53 void backingStoreWillBeDestroyed(RemoteLayerBackingStore&); 54 void backingStoreWillBeDisplayed(RemoteLayerBackingStore&); 55 56 WebCore::LayerPool& layerPool() { return m_layerPool; } 57 58 LayerHostingMode layerHostingMode() const { return m_webPage.layerHostingMode(); } 59 60 void buildTransaction(RemoteLayerTreeTransaction&, WebCore::PlatformCALayer& rootLayer); 61 62 void layerPropertyChangedWhileBuildingTransaction(PlatformCALayerRemote&); 63 64 // From the UI process 65 void animationDidStart(WebCore::GraphicsLayer::PlatformLayerID, const String& key, double startTime); 66 67 void willStartAnimationOnLayer(PlatformCALayerRemote&); 68 69 RemoteLayerBackingStoreCollection& backingStoreCollection() { return m_backingStoreCollection; } 70 71private: 72 // WebCore::GraphicsLayerFactory 73 virtual std::unique_ptr<WebCore::GraphicsLayer> createGraphicsLayer(WebCore::GraphicsLayerClient&) override; 74 75 WebPage& m_webPage; 76 77 Vector<RemoteLayerTreeTransaction::LayerCreationProperties> m_createdLayers; 78 Vector<WebCore::GraphicsLayer::PlatformLayerID> m_destroyedLayers; 79 80 HashMap<WebCore::GraphicsLayer::PlatformLayerID, PlatformCALayerRemote*> m_liveLayers; 81 HashMap<WebCore::GraphicsLayer::PlatformLayerID, PlatformCALayerRemote*> m_layersAwaitingAnimationStart; 82 83 RemoteLayerBackingStoreCollection m_backingStoreCollection; 84 85 RemoteLayerTreeTransaction* m_currentTransaction; 86 87 WebCore::LayerPool m_layerPool; 88}; 89 90} // namespace WebKit 91 92#endif // RemoteLayerTreeContext_h 93