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Side by Side Diff: Source/web/PageScaleConstraintsSet.h

Issue 474183002: Cleanup namespace usage in Source/web/*.h (Closed) Base URL: svn://svn.chromium.org/blink/trunk
Patch Set: Created 6 years, 4 months ago
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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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37 #include "platform/geometry/IntSize.h" 37 #include "platform/geometry/IntSize.h"
38 38
39 namespace blink { 39 namespace blink {
40 40
41 // This class harmonizes the viewport (particularly page scale) constraints from 41 // This class harmonizes the viewport (particularly page scale) constraints from
42 // the meta viewport tag and other sources. 42 // the meta viewport tag and other sources.
43 class PageScaleConstraintsSet { 43 class PageScaleConstraintsSet {
44 public: 44 public:
45 PageScaleConstraintsSet(); 45 PageScaleConstraintsSet();
46 46
47 blink::PageScaleConstraints defaultConstraints() const; 47 PageScaleConstraints defaultConstraints() const;
48 48
49 // Settings defined in the website's viewport tag, if viewport tag support 49 // Settings defined in the website's viewport tag, if viewport tag support
50 // is enabled. 50 // is enabled.
51 const blink::PageScaleConstraints& pageDefinedConstraints() const { return m _pageDefinedConstraints; } 51 const PageScaleConstraints& pageDefinedConstraints() const { return m_pageDe finedConstraints; }
52 void updatePageDefinedConstraints(const blink::ViewportDescription&, blink:: Length legacyFallbackWidth); 52 void updatePageDefinedConstraints(const ViewportDescription&, Length legacyF allbackWidth);
53 void adjustForAndroidWebViewQuirks(const blink::ViewportDescription&, int la youtFallbackWidth, float deviceScaleFactor, bool supportTargetDensityDPI, bool w ideViewportQuirkEnabled, bool useWideViewport, bool loadWithOverviewMode, bool n onUserScalableQuirkEnabled); 53 void adjustForAndroidWebViewQuirks(const ViewportDescription&, int layoutFal lbackWidth, float deviceScaleFactor, bool supportTargetDensityDPI, bool wideView portQuirkEnabled, bool useWideViewport, bool loadWithOverviewMode, bool nonUserS calableQuirkEnabled);
54 54
55 // Constraints may also be set from Chromium -- this overrides any 55 // Constraints may also be set from Chromium -- this overrides any
56 // page-defined values. 56 // page-defined values.
57 const blink::PageScaleConstraints& userAgentConstraints() const { return m_u serAgentConstraints; } 57 const PageScaleConstraints& userAgentConstraints() const { return m_userAgen tConstraints; }
58 void setUserAgentConstraints(const blink::PageScaleConstraints&); 58 void setUserAgentConstraints(const PageScaleConstraints&);
59 59
60 // Actual computed values, taking into account the above plus the current 60 // Actual computed values, taking into account the above plus the current
61 // viewport size and document width. 61 // viewport size and document width.
62 const blink::PageScaleConstraints& finalConstraints() const { return m_final Constraints; } 62 const PageScaleConstraints& finalConstraints() const { return m_finalConstra ints; }
63 void computeFinalConstraints(); 63 void computeFinalConstraints();
64 void adjustFinalConstraintsToContentsSize(blink::IntSize contentsSize, int n onOverlayScrollbarWidth); 64 void adjustFinalConstraintsToContentsSize(IntSize contentsSize, int nonOverl ayScrollbarWidth);
65 65
66 void didChangeContentsSize(blink::IntSize contentsSize, float pageScaleFacto r); 66 void didChangeContentsSize(IntSize contentsSize, float pageScaleFactor);
67 67
68 // This should be set to true on each page load to note that the page scale 68 // This should be set to true on each page load to note that the page scale
69 // factor needs to be reset to its initial value. 69 // factor needs to be reset to its initial value.
70 void setNeedsReset(bool); 70 void setNeedsReset(bool);
71 bool needsReset() const { return m_needsReset; } 71 bool needsReset() const { return m_needsReset; }
72 72
73 // This is set when one of the inputs to finalConstraints changes. 73 // This is set when one of the inputs to finalConstraints changes.
74 bool constraintsDirty() const { return m_constraintsDirty; } 74 bool constraintsDirty() const { return m_constraintsDirty; }
75 75
76 void didChangeViewSize(const blink::IntSize&); 76 void didChangeViewSize(const IntSize&);
77 77
78 blink::IntSize mainFrameSize(const blink::IntSize& contentsSize) const; 78 IntSize mainFrameSize(const IntSize& contentsSize) const;
79 79
80 private: 80 private:
81 blink::PageScaleConstraints computeConstraintsStack() const; 81 PageScaleConstraints computeConstraintsStack() const;
82 82
83 blink::PageScaleConstraints m_pageDefinedConstraints; 83 PageScaleConstraints m_pageDefinedConstraints;
84 blink::PageScaleConstraints m_userAgentConstraints; 84 PageScaleConstraints m_userAgentConstraints;
85 blink::PageScaleConstraints m_finalConstraints; 85 PageScaleConstraints m_finalConstraints;
86 86
87 int m_lastContentsWidth; 87 int m_lastContentsWidth;
88 blink::IntSize m_viewSize; 88 IntSize m_viewSize;
89 89
90 bool m_needsReset; 90 bool m_needsReset;
91 bool m_constraintsDirty; 91 bool m_constraintsDirty;
92 }; 92 };
93 93
94 } // namespace blink 94 } // namespace blink
95 95
96 #endif // PageScaleConstraintsSet_h 96 #endif // PageScaleConstraintsSet_h
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