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#if ENABLE(CSS_DEVICE_ADAPTATION) 34 35#include "CSSPropertyNames.h" 36#include "FloatSize.h" 37#include <wtf/RefCounted.h> 38#include <wtf/RefPtr.h> 39 40namespace WebCore { 41 42class CSSPrimitiveValue; 43class Document; 44class MutableStyleProperties; 45class StyleRuleViewport; 46 47class ViewportStyleResolver : public RefCounted<ViewportStyleResolver> { 48public: 49 static PassRefPtr<ViewportStyleResolver> create(Document* document) 50 { 51 return adoptRef(new ViewportStyleResolver(document)); 52 } 53 54 ~ViewportStyleResolver(); 55 56 void addViewportRule(StyleRuleViewport*); 57 58 void clearDocument(); 59 void resolve(); 60 61private: 62 explicit ViewportStyleResolver(Document*); 63 64 float getViewportArgumentValue(CSSPropertyID) const; 65 66 Document* m_document; 67 RefPtr<MutableStyleProperties> m_propertySet; 68}; 69 70} // namespace WebCore 71 72#endif // ENABLE(CSS_DEVICE_ADAPTATION) 73 74#endif // ViewportStyleResolver_h 75