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| 1 /* | |
| 2 * Copyright (C) 2012 Intel Corporation. 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 ViewportStyleResolver_h | |
| 31 #define ViewportStyleResolver_h | |
| 32 | |
| 33 #include "core/CSSPropertyNames.h" | |
| 34 #include "core/css/RuleSet.h" | |
| 35 #include "platform/Length.h" | |
| 36 #include "wtf/RefCounted.h" | |
| 37 #include "wtf/RefPtr.h" | |
| 38 | |
| 39 namespace blink { | |
| 40 | |
| 41 class Document; | |
| 42 class MutableStylePropertySet; | |
| 43 class StyleRuleViewport; | |
| 44 | |
| 45 class ViewportStyleResolver : public NoBaseWillBeGarbageCollected<ViewportStyleR
esolver> { | |
| 46 DECLARE_EMPTY_DESTRUCTOR_WILL_BE_REMOVED(ViewportStyleResolver); | |
| 47 public: | |
| 48 static PassOwnPtrWillBeRawPtr<ViewportStyleResolver> create(Document* docume
nt) | |
| 49 { | |
| 50 return adoptPtrWillBeNoop(new ViewportStyleResolver(document)); | |
| 51 } | |
| 52 | |
| 53 enum Origin { UserAgentOrigin, AuthorOrigin }; | |
| 54 | |
| 55 void collectViewportRules(RuleSet*, Origin); | |
| 56 | |
| 57 void resolve(); | |
| 58 | |
| 59 void trace(Visitor*); | |
| 60 | |
| 61 private: | |
| 62 explicit ViewportStyleResolver(Document*); | |
| 63 | |
| 64 void addViewportRule(StyleRuleViewport*, Origin); | |
| 65 | |
| 66 float viewportArgumentValue(CSSPropertyID) const; | |
| 67 Length viewportLengthValue(CSSPropertyID) const; | |
| 68 | |
| 69 RawPtrWillBeMember<Document> m_document; | |
| 70 RefPtrWillBeMember<MutableStylePropertySet> m_propertySet; | |
| 71 bool m_hasAuthorStyle; | |
| 72 }; | |
| 73 | |
| 74 } // namespace blink | |
| 75 | |
| 76 #endif // ViewportStyleResolver_h | |
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Chromium Code Reviews
Issue 654693004:
Remove meta viewport and @viewport CSS rules. (Closed)
Base URL: git@github.com:domokit/mojo.git@master