| /* |
| * Copyright (C) 1999 Lars Knoll (knoll@kde.org) |
| * Copyright (C) 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011 Apple Inc. All rights reserved. |
| * Copyright (C) 2013 Google Inc. All rights reserved. |
| * |
| * This library is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU Library General Public |
| * License as published by the Free Software Foundation; either |
| * version 2 of the License, or (at your option) any later version. |
| * |
| * This library is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| * Library General Public License for more details. |
| * |
| * You should have received a copy of the GNU Library General Public License |
| * along with this library; see the file COPYING.LIB. If not, write to |
| * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, |
| * Boston, MA 02110-1301, USA. |
| * |
| */ |
| |
| #ifndef ElementStyleResources_h |
| #define ElementStyleResources_h |
| |
| #include "CSSPropertyNames.h" |
| #include "core/platform/graphics/Color.h" |
| #include "wtf/HashMap.h" |
| #include "wtf/Noncopyable.h" |
| |
| namespace WebCore { |
| |
| class CSSCursorImageValue; |
| class CSSImageValue; |
| class CSSImageGeneratorValue; |
| class CSSImageSetValue; |
| class CSSSVGDocumentValue; |
| class CSSValue; |
| class FilterOperation; |
| class StyleImage; |
| class TextLinkColors; |
| |
| typedef HashMap<FilterOperation*, RefPtr<CSSSVGDocumentValue> > PendingSVGDocumentMap; |
| typedef HashMap<CSSPropertyID, RefPtr<CSSValue> > PendingImagePropertyMap; |
| |
| // Holds information about resources, requested by stylesheets. |
| // Lifetime: per-element style resolve. |
| // FIXME: At least for the moment, the lifetime actually matches that of StyleResolverState, |
| // but all data is cleared for each element resolve. We must investigate performance |
| // implications of matching effective and intended lifetime. |
| class ElementStyleResources { |
| WTF_MAKE_NONCOPYABLE(ElementStyleResources); |
| public: |
| ElementStyleResources(); |
| |
| PassRefPtr<StyleImage> styleImage(const TextLinkColors&, CSSPropertyID, CSSValue*); |
| |
| PassRefPtr<StyleImage> generatedOrPendingFromValue(CSSPropertyID, CSSImageGeneratorValue*); |
| PassRefPtr<StyleImage> cachedOrPendingFromValue(CSSPropertyID, CSSImageValue*); |
| PassRefPtr<StyleImage> setOrPendingFromValue(CSSPropertyID, CSSImageSetValue*); |
| PassRefPtr<StyleImage> cursorOrPendingFromValue(CSSPropertyID, CSSCursorImageValue*); |
| |
| const PendingImagePropertyMap& pendingImageProperties() const { return m_pendingImageProperties; } |
| const PendingSVGDocumentMap& pendingSVGDocuments() const { return m_pendingSVGDocuments; } |
| |
| void setHasPendingShaders(bool hasPendingShaders) { m_hasPendingShaders = hasPendingShaders; } |
| bool hasPendingShaders() const { return m_hasPendingShaders; } |
| |
| float deviceScaleFactor() const { return m_deviceScaleFactor; } |
| void setDeviceScaleFactor(float deviceScaleFactor) { m_deviceScaleFactor = deviceScaleFactor; } |
| |
| void addPendingSVGDocument(FilterOperation*, CSSSVGDocumentValue*); |
| |
| void clear(); |
| |
| private: |
| PendingImagePropertyMap m_pendingImageProperties; |
| PendingSVGDocumentMap m_pendingSVGDocuments; |
| bool m_hasPendingShaders; |
| float m_deviceScaleFactor; |
| }; |
| |
| } // namespace WebCore |
| |
| #endif // ElementStyleResources_h |