2 * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved.
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30 #ifndef RenderLayerFilterInfo_h
31 #define RenderLayerFilterInfo_h
33 #if ENABLE(CSS_FILTERS)
36 #include "CachedSVGDocument.h"
38 #include "FilterOperation.h"
39 #include "LayoutTypes.h"
40 #include <wtf/HashMap.h>
41 #include <wtf/PassRefPtr.h>
42 #include <wtf/RefPtr.h>
44 #if ENABLE(CSS_SHADERS)
45 #include "CustomFilterProgramClient.h"
50 class FilterEffectRenderer;
51 class FilterOperations;
53 class RenderLayerFilterInfo;
55 typedef HashMap<const RenderLayer*, RenderLayerFilterInfo*> RenderLayerFilterInfoMap;
57 class RenderLayerFilterInfo
58 #if ENABLE(CSS_SHADERS)
59 : public CustomFilterProgramClient
61 , public CachedSVGDocumentClient
64 : public CachedSVGDocumentClient
68 static RenderLayerFilterInfo* filterInfoForRenderLayer(const RenderLayer*);
69 static RenderLayerFilterInfo* createFilterInfoForRenderLayerIfNeeded(RenderLayer*);
70 static void removeFilterInfoForRenderLayer(RenderLayer*);
72 const LayoutRect& dirtySourceRect() const { return m_dirtySourceRect; }
73 void expandDirtySourceRect(const LayoutRect& rect) { m_dirtySourceRect.unite(rect); }
74 void resetDirtySourceRect() { m_dirtySourceRect = LayoutRect(); }
76 FilterEffectRenderer* renderer() const { return m_renderer.get(); }
77 void setRenderer(PassRefPtr<FilterEffectRenderer>);
79 #if ENABLE(CSS_SHADERS)
80 // Implementation of the CustomFilterProgramClient interface.
81 virtual void notifyCustomFilterProgramLoaded(CustomFilterProgram*);
83 void updateCustomFilterClients(const FilterOperations&);
84 void removeCustomFilterClients();
88 void updateReferenceFilterClients(const FilterOperations&);
89 virtual void notifyFinished(CachedResource*);
90 void removeReferenceFilterClients();
94 RenderLayerFilterInfo(RenderLayer*);
95 ~RenderLayerFilterInfo();
99 RefPtr<FilterEffectRenderer> m_renderer;
100 LayoutRect m_dirtySourceRect;
102 #if ENABLE(CSS_SHADERS)
103 typedef Vector<RefPtr<CustomFilterProgram> > CustomFilterProgramList;
104 CustomFilterProgramList m_cachedCustomFilterPrograms;
107 static RenderLayerFilterInfoMap* s_filterMap;
109 Vector<RefPtr<Element> > m_internalSVGReferences;
110 Vector<CachedResourceHandle<CachedSVGDocument> > m_externalSVGReferences;
114 } // namespace WebCore
116 #endif // ENABLE(CSS_FILTERS)
118 #endif // RenderLayerFilterInfo_h