| /* |
| * Copyright (C) 2012 Adobe Systems Incorporated. All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer. |
| * 2. Redistributions in binary form must reproduce the above |
| * copyright notice, this list of conditions and the following |
| * disclaimer in the documentation and/or other materials |
| * provided with the distribution. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER "AS IS" AND ANY |
| * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE |
| * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, |
| * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR |
| * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
| * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR |
| * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF |
| * THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| */ |
| |
| #ifndef RenderLayerFilterInfo_h |
| #define RenderLayerFilterInfo_h |
| |
| #include "core/platform/graphics/LayoutRect.h" |
| #include "core/platform/graphics/filters/FilterOperation.h" |
| #include <wtf/HashMap.h> |
| #include <wtf/PassRefPtr.h> |
| #include <wtf/RefPtr.h> |
| |
| #include "core/platform/graphics/filters/custom/CustomFilterProgramClient.h" |
| |
| #if ENABLE(SVG) |
| #include "core/dom/Element.h" |
| #include "core/loader/cache/CachedSVGDocument.h" |
| #endif |
| |
| namespace WebCore { |
| |
| class FilterEffectRenderer; |
| class FilterOperations; |
| class RenderLayer; |
| class RenderLayerFilterInfo; |
| |
| typedef HashMap<const RenderLayer*, RenderLayerFilterInfo*> RenderLayerFilterInfoMap; |
| |
| class RenderLayerFilterInfo |
| : public CustomFilterProgramClient |
| #if ENABLE(SVG) |
| , public CachedSVGDocumentClient |
| #endif |
| { |
| public: |
| static RenderLayerFilterInfo* filterInfoForRenderLayer(const RenderLayer*); |
| static RenderLayerFilterInfo* createFilterInfoForRenderLayerIfNeeded(RenderLayer*); |
| static void removeFilterInfoForRenderLayer(RenderLayer*); |
| |
| const LayoutRect& dirtySourceRect() const { return m_dirtySourceRect; } |
| void expandDirtySourceRect(const LayoutRect& rect) { m_dirtySourceRect.unite(rect); } |
| void resetDirtySourceRect() { m_dirtySourceRect = LayoutRect(); } |
| |
| FilterEffectRenderer* renderer() const { return m_renderer.get(); } |
| void setRenderer(PassRefPtr<FilterEffectRenderer>); |
| |
| // Implementation of the CustomFilterProgramClient interface. |
| virtual void notifyCustomFilterProgramLoaded(CustomFilterProgram*); |
| |
| void updateCustomFilterClients(const FilterOperations&); |
| void removeCustomFilterClients(); |
| |
| #if ENABLE(SVG) |
| void updateReferenceFilterClients(const FilterOperations&); |
| virtual void notifyFinished(CachedResource*); |
| void removeReferenceFilterClients(); |
| #endif |
| |
| private: |
| RenderLayerFilterInfo(RenderLayer*); |
| ~RenderLayerFilterInfo(); |
| |
| RenderLayer* m_layer; |
| |
| RefPtr<FilterEffectRenderer> m_renderer; |
| LayoutRect m_dirtySourceRect; |
| |
| typedef Vector<RefPtr<CustomFilterProgram> > CustomFilterProgramList; |
| CustomFilterProgramList m_cachedCustomFilterPrograms; |
| |
| static RenderLayerFilterInfoMap* s_filterMap; |
| #if ENABLE(SVG) |
| Vector<RefPtr<Element> > m_internalSVGReferences; |
| Vector<CachedResourceHandle<CachedSVGDocument> > m_externalSVGReferences; |
| #endif |
| }; |
| |
| } // namespace WebCore |
| |
| |
| #endif // RenderLayerFilterInfo_h |