1 /* 2 * Copyright (C) 2012 Adobe Systems Incorporated. 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 * 8 * 1. Redistributions of source code must retain the above 9 * copyright notice, this list of conditions and the following 10 * disclaimer. 11 * 2. Redistributions in binary form must reproduce the above 12 * copyright notice, this list of conditions and the following 13 * disclaimer in the documentation and/or other materials 14 * provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE 20 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, 21 * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR 25 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF 26 * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 27 * SUCH DAMAGE. 28 */ 29 30 #ifndef RenderLayerFilterInfo_h 31 #define RenderLayerFilterInfo_h 32 33 #include "core/dom/Element.h" 34 #include "core/fetch/DocumentResource.h" 35 #include "platform/geometry/LayoutRect.h" 36 #include "platform/graphics/filters/FilterOperation.h" 37 #include "wtf/HashMap.h" 38 #include "wtf/PassRefPtr.h" 39 #include "wtf/RefPtr.h" 40 41 namespace WebCore { 42 43 class FilterEffectRenderer; 44 class FilterOperations; 45 class RenderLayer; 46 class RenderLayerFilterInfo; 47 48 typedef HashMap<const RenderLayer*, RenderLayerFilterInfo*> RenderLayerFilterInfoMap; 49 50 class RenderLayerFilterInfo FINAL : public DocumentResourceClient { 51 public: 52 static RenderLayerFilterInfo* filterInfoForRenderLayer(const RenderLayer*); 53 static RenderLayerFilterInfo* createFilterInfoForRenderLayerIfNeeded(RenderLayer*); 54 static void removeFilterInfoForRenderLayer(RenderLayer*); 55 56 const LayoutRect& dirtySourceRect() const { return m_dirtySourceRect; } 57 void expandDirtySourceRect(const LayoutRect& rect) { m_dirtySourceRect.unite(rect); } 58 void resetDirtySourceRect() { m_dirtySourceRect = LayoutRect(); } 59 60 FilterEffectRenderer* renderer() const { return m_renderer.get(); } 61 void setRenderer(PassRefPtr<FilterEffectRenderer>); 62 63 void updateReferenceFilterClients(const FilterOperations&); 64 virtual void notifyFinished(Resource*) OVERRIDE; 65 void removeReferenceFilterClients(); 66 67 private: 68 RenderLayerFilterInfo(RenderLayer*); 69 virtual ~RenderLayerFilterInfo(); 70 71 RenderLayer* m_layer; 72 73 RefPtr<FilterEffectRenderer> m_renderer; 74 LayoutRect m_dirtySourceRect; 75 76 static RenderLayerFilterInfoMap* s_filterMap; 77 WillBePersistentHeapVector<RefPtrWillBeMember<Element> > m_internalSVGReferences; 78 Vector<ResourcePtr<DocumentResource> > m_externalSVGReferences; 79 }; 80 81 } // namespace WebCore 82 83 84 #endif // RenderLayerFilterInfo_h 85