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1 /* | 1 /* |
2 * Copyright (C) 2013 Google Inc. All rights reserved. | 2 * Copyright (C) 2013 Google Inc. All rights reserved. |
3 * | 3 * |
4 * Redistribution and use in source and binary forms, with or without | 4 * Redistribution and use in source and binary forms, with or without |
5 * modification, are permitted provided that the following conditions are | 5 * modification, are permitted provided that the following conditions are |
6 * met: | 6 * met: |
7 * | 7 * |
8 * * Redistributions of source code must retain the above copyright | 8 * * Redistributions of source code must retain the above copyright |
9 * notice, this list of conditions and the following disclaimer. | 9 * notice, this list of conditions and the following disclaimer. |
10 * * Redistributions in binary form must reproduce the above | 10 * * Redistributions in binary form must reproduce the above |
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28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | 28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
29 */ | 29 */ |
30 | 30 |
31 #ifndef PageScaleConstraintsSet_h | 31 #ifndef PageScaleConstraintsSet_h |
32 #define PageScaleConstraintsSet_h | 32 #define PageScaleConstraintsSet_h |
33 | 33 |
34 #include "core/dom/ViewportDescription.h" | 34 #include "core/dom/ViewportDescription.h" |
35 #include "core/frame/PageScaleConstraints.h" | 35 #include "core/frame/PageScaleConstraints.h" |
36 #include "platform/Length.h" | 36 #include "platform/Length.h" |
37 #include "platform/geometry/IntSize.h" | 37 #include "platform/geometry/IntSize.h" |
38 #include "platform/heap/Handle.h" | 38 #include "wtf/PassOwnPtr.h" |
39 | 39 |
40 namespace blink { | 40 namespace blink { |
41 | 41 |
42 // This class harmonizes the viewport (particularly page scale) constraints from | 42 // This class harmonizes the viewport (particularly page scale) constraints from |
43 // the meta viewport tag and other sources. | 43 // the meta viewport tag and other sources. |
44 class PageScaleConstraintsSet { | 44 class PageScaleConstraintsSet { |
45 public: | 45 public: |
46 static PassOwnPtrWillBeRawPtr<PageScaleConstraintsSet> create() | 46 static PassOwnPtr<PageScaleConstraintsSet> create() |
47 { | 47 { |
48 return adoptPtrWillBeNoop(new PageScaleConstraintsSet); | 48 return adoptPtr(new PageScaleConstraintsSet); |
49 } | 49 } |
50 | 50 |
51 void setDefaultConstraints(const PageScaleConstraints&); | 51 void setDefaultConstraints(const PageScaleConstraints&); |
52 const PageScaleConstraints& defaultConstraints() const; | 52 const PageScaleConstraints& defaultConstraints() const; |
53 | 53 |
54 // Settings defined in the website's viewport tag, if viewport tag support | 54 // Settings defined in the website's viewport tag, if viewport tag support |
55 // is enabled. | 55 // is enabled. |
56 const PageScaleConstraints& pageDefinedConstraints() const { return m_pageDe
finedConstraints; } | 56 const PageScaleConstraints& pageDefinedConstraints() const { return m_pageDe
finedConstraints; } |
57 void updatePageDefinedConstraints(const ViewportDescription&, Length legacyF
allbackWidth); | 57 void updatePageDefinedConstraints(const ViewportDescription&, Length legacyF
allbackWidth); |
58 void adjustForAndroidWebViewQuirks(const ViewportDescription&, int layoutFal
lbackWidth, float deviceScaleFactor, bool supportTargetDensityDPI, bool wideView
portQuirkEnabled, bool useWideViewport, bool loadWithOverviewMode, bool nonUserS
calableQuirkEnabled); | 58 void adjustForAndroidWebViewQuirks(const ViewportDescription&, int layoutFal
lbackWidth, float deviceScaleFactor, bool supportTargetDensityDPI, bool wideView
portQuirkEnabled, bool useWideViewport, bool loadWithOverviewMode, bool nonUserS
calableQuirkEnabled); |
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102 int m_lastContentsWidth; | 102 int m_lastContentsWidth; |
103 IntSize m_viewSize; | 103 IntSize m_viewSize; |
104 | 104 |
105 bool m_needsReset; | 105 bool m_needsReset; |
106 bool m_constraintsDirty; | 106 bool m_constraintsDirty; |
107 }; | 107 }; |
108 | 108 |
109 } // namespace blink | 109 } // namespace blink |
110 | 110 |
111 #endif // PageScaleConstraintsSet_h | 111 #endif // PageScaleConstraintsSet_h |
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