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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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| 55 | 55 |
| 56 // FrameHost is the set of global data shared between multiple frames | 56 // FrameHost is the set of global data shared between multiple frames |
| 57 // and is provided by the embedder to each frame when created. | 57 // and is provided by the embedder to each frame when created. |
| 58 // FrameHost currently corresponds to the Page object in core/page | 58 // FrameHost currently corresponds to the Page object in core/page |
| 59 // however the concept of a Page is moving up out of Blink. | 59 // however the concept of a Page is moving up out of Blink. |
| 60 // In an out-of-process iframe world, a single Page may have | 60 // In an out-of-process iframe world, a single Page may have |
| 61 // multiple frames in different process, thus Page becomes a | 61 // multiple frames in different process, thus Page becomes a |
| 62 // browser-level concept and Blink core/ only knows about its LocalFrame (and Fr
ameHost). | 62 // browser-level concept and Blink core/ only knows about its LocalFrame (and Fr
ameHost). |
| 63 // Separating Page from the rest of core/ through this indirection | 63 // Separating Page from the rest of core/ through this indirection |
| 64 // allows us to slowly refactor Page without breaking the rest of core. | 64 // allows us to slowly refactor Page without breaking the rest of core. |
| 65 class CORE_EXPORT FrameHost final : public NoBaseWillBeGarbageCollectedFinalized
<FrameHost> { | 65 class CORE_EXPORT FrameHost final : public GarbageCollectedFinalized<FrameHost>
{ |
| 66 WTF_MAKE_NONCOPYABLE(FrameHost); USING_FAST_MALLOC_WILL_BE_REMOVED(FrameHost
); | 66 WTF_MAKE_NONCOPYABLE(FrameHost); |
| 67 public: | 67 public: |
| 68 static PassOwnPtrWillBeRawPtr<FrameHost> create(Page&); | 68 static RawPtr<FrameHost> create(Page&); |
| 69 ~FrameHost(); | 69 ~FrameHost(); |
| 70 | 70 |
| 71 // Careful: This function will eventually be removed. | 71 // Careful: This function will eventually be removed. |
| 72 Page& page() const { return *m_page; } | 72 Page& page() const { return *m_page; } |
| 73 Settings& settings() const; | 73 Settings& settings() const; |
| 74 ChromeClient& chromeClient() const; | 74 ChromeClient& chromeClient() const; |
| 75 UseCounter& useCounter() const; | 75 UseCounter& useCounter() const; |
| 76 Deprecation& deprecation() const; | 76 Deprecation& deprecation() const; |
| 77 | 77 |
| 78 // Corresponds to pixel density of the device where this Page is | 78 // Corresponds to pixel density of the device where this Page is |
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| 100 void incrementSubframeCount() { ++m_subframeCount; } | 100 void incrementSubframeCount() { ++m_subframeCount; } |
| 101 void decrementSubframeCount() { ASSERT(m_subframeCount); --m_subframeCount;
} | 101 void decrementSubframeCount() { ASSERT(m_subframeCount); --m_subframeCount;
} |
| 102 int subframeCount() const; | 102 int subframeCount() const; |
| 103 | 103 |
| 104 void setDefaultPageScaleLimits(float minScale, float maxScale); | 104 void setDefaultPageScaleLimits(float minScale, float maxScale); |
| 105 void setUserAgentPageScaleConstraints(PageScaleConstraints newConstraints); | 105 void setUserAgentPageScaleConstraints(PageScaleConstraints newConstraints); |
| 106 | 106 |
| 107 private: | 107 private: |
| 108 explicit FrameHost(Page&); | 108 explicit FrameHost(Page&); |
| 109 | 109 |
| 110 RawPtrWillBeMember<Page> m_page; | 110 Member<Page> m_page; |
| 111 const OwnPtrWillBeMember<TopControls> m_topControls; | 111 const Member<TopControls> m_topControls; |
| 112 const OwnPtr<PageScaleConstraintsSet> m_pageScaleConstraintsSet; | 112 const OwnPtr<PageScaleConstraintsSet> m_pageScaleConstraintsSet; |
| 113 const OwnPtrWillBeMember<VisualViewport> m_visualViewport; | 113 const Member<VisualViewport> m_visualViewport; |
| 114 const OwnPtrWillBeMember<EventHandlerRegistry> m_eventHandlerRegistry; | 114 const Member<EventHandlerRegistry> m_eventHandlerRegistry; |
| 115 const OwnPtrWillBeMember<ConsoleMessageStorage> m_consoleMessageStorage; | 115 const Member<ConsoleMessageStorage> m_consoleMessageStorage; |
| 116 | 116 |
| 117 AtomicString m_overrideEncoding; | 117 AtomicString m_overrideEncoding; |
| 118 int m_subframeCount; | 118 int m_subframeCount; |
| 119 }; | 119 }; |
| 120 | 120 |
| 121 } // namespace blink | 121 } // namespace blink |
| 122 | 122 |
| 123 #endif // FrameHost_h | 123 #endif // FrameHost_h |
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