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Side by Side Diff: third_party/WebKit/public/web/WebFrameWidget.h

Issue 1991273003: Fire visibilityChange event on out-of-process iframes. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: comments Created 4 years, 5 months ago
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1 /* 1 /*
2 * Copyright (C) 2014 Google Inc. All rights reserved. 2 * Copyright (C) 2014 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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47 BLINK_EXPORT static WebFrameWidget* create(WebWidgetClient*, WebLocalFrame*) ; 47 BLINK_EXPORT static WebFrameWidget* create(WebWidgetClient*, WebLocalFrame*) ;
48 // Creates a frame widget for a WebView. Temporary helper to help transition 48 // Creates a frame widget for a WebView. Temporary helper to help transition
49 // away from WebView inheriting WebWidget. 49 // away from WebView inheriting WebWidget.
50 // TODO(dcheng): Remove once transition is complete. 50 // TODO(dcheng): Remove once transition is complete.
51 BLINK_EXPORT static WebFrameWidget* create(WebWidgetClient*, WebView*, WebLo calFrame* mainFrame); 51 BLINK_EXPORT static WebFrameWidget* create(WebWidgetClient*, WebView*, WebLo calFrame* mainFrame);
52 52
53 // Sets the visibility of the WebFrameWidget. 53 // Sets the visibility of the WebFrameWidget.
54 // We still track page-level visibility, but additionally we need to notify a WebFrameWidget 54 // We still track page-level visibility, but additionally we need to notify a WebFrameWidget
55 // when its owning RenderWidget receives a Show or Hide directive, so that i t knows whether 55 // when its owning RenderWidget receives a Show or Hide directive, so that i t knows whether
56 // it needs to draw or not. 56 // it needs to draw or not.
57 virtual void setVisibilityState(WebPageVisibilityState visibilityState, bool isInitialState) { } 57 virtual void setVisibilityState(WebPageVisibilityState visibilityState) {}
58 58
59 // Makes the WebFrameWidget transparent. This is useful if you want to have 59 // Makes the WebFrameWidget transparent. This is useful if you want to have
60 // some custom background rendered behind it. 60 // some custom background rendered behind it.
61 virtual bool isTransparent() const = 0; 61 virtual bool isTransparent() const = 0;
62 virtual void setIsTransparent(bool) = 0; 62 virtual void setIsTransparent(bool) = 0;
63 63
64 // Sets the base color used for this WebFrameWidget's background. This is in 64 // Sets the base color used for this WebFrameWidget's background. This is in
65 // effect the default background color used for pages with no 65 // effect the default background color used for pages with no
66 // background-color style in effect, or used as the alpha-blended basis for 66 // background-color style in effect, or used as the alpha-blended basis for
67 // any pages with translucent background-color style. (For pages with opaque 67 // any pages with translucent background-color style. (For pages with opaque
68 // background-color style, this property is effectively ignored). 68 // background-color style, this property is effectively ignored).
69 // Setting this takes effect for the currently loaded page, if any, and 69 // Setting this takes effect for the currently loaded page, if any, and
70 // persists across subsequent navigations. Defaults to white prior to the 70 // persists across subsequent navigations. Defaults to white prior to the
71 // first call to this method. 71 // first call to this method.
72 virtual void setBaseBackgroundColor(WebColor) = 0; 72 virtual void setBaseBackgroundColor(WebColor) = 0;
73 73
74 // TODO(dcheng): Temporary: there should only be one WebFrameWidget 74 // TODO(dcheng): Temporary: there should only be one WebFrameWidget
75 // implementation but the Blink API is currently in a transition state. 75 // implementation but the Blink API is currently in a transition state.
76 // See https://goo.gl/7yVrnb. These methods should only be used inside 76 // See https://goo.gl/7yVrnb. These methods should only be used inside
77 // blink. 77 // blink.
78 virtual bool forSubframe() const { return true; } 78 virtual bool forSubframe() const { return true; }
79 virtual void scheduleAnimation() = 0; 79 virtual void scheduleAnimation() = 0;
80 virtual CompositorProxyClient* createCompositorProxyClient() = 0; 80 virtual CompositorProxyClient* createCompositorProxyClient() = 0;
81 virtual WebWidgetClient* client() const = 0; 81 virtual WebWidgetClient* client() const = 0;
82 }; 82 };
83 83
84 } // namespace blink 84 } // namespace blink
85 85
86 #endif 86 #endif
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