| /* |
| * Copyright (C) 2012 Intel Corporation. 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 ViewportStyleResolver_h |
| #define ViewportStyleResolver_h |
| |
| #include "core/CSSPropertyNames.h" |
| #include "core/css/RuleSet.h" |
| #include "platform/Length.h" |
| #include "wtf/RefCounted.h" |
| #include "wtf/RefPtr.h" |
| |
| namespace blink { |
| |
| class Document; |
| class MutableStylePropertySet; |
| class StyleRuleViewport; |
| |
| class ViewportStyleResolver : public NoBaseWillBeGarbageCollected<ViewportStyleResolver> { |
| DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(ViewportStyleResolver); |
| public: |
| static PassOwnPtrWillBeRawPtr<ViewportStyleResolver> create(Document* document) |
| { |
| return adoptPtrWillBeNoop(new ViewportStyleResolver(document)); |
| } |
| |
| enum Origin { UserAgentOrigin, AuthorOrigin }; |
| |
| void collectViewportRules(RuleSet*, Origin); |
| |
| void resolve(); |
| |
| void trace(Visitor*); |
| |
| private: |
| explicit ViewportStyleResolver(Document*); |
| |
| void addViewportRule(StyleRuleViewport*, Origin); |
| |
| float viewportArgumentValue(CSSPropertyID) const; |
| Length viewportLengthValue(CSSPropertyID) const; |
| |
| RawPtrWillBeMember<Document> m_document; |
| RefPtrWillBeMember<MutableStylePropertySet> m_propertySet; |
| bool m_hasAuthorStyle; |
| }; |
| |
| } // namespace blink |
| |
| #endif // ViewportStyleResolver_h |