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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. | 1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
4 | 4 |
5 #ifndef CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_ | 5 #ifndef CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_ |
6 #define CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_ | 6 #define CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_ |
7 | 7 |
8 #include <list> | 8 #include <list> |
9 | 9 |
10 #include "base/callback_forward.h" | 10 #include "base/callback_forward.h" |
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35 } | 35 } |
36 | 36 |
37 namespace blink { | 37 namespace blink { |
38 struct WebMediaPlayerAction; | 38 struct WebMediaPlayerAction; |
39 struct WebPluginAction; | 39 struct WebPluginAction; |
40 } | 40 } |
41 | 41 |
42 namespace content { | 42 namespace content { |
43 | 43 |
44 class ChildProcessSecurityPolicy; | 44 class ChildProcessSecurityPolicy; |
| 45 class RenderFrameHost; |
45 class RenderViewHostDelegate; | 46 class RenderViewHostDelegate; |
46 class SessionStorageNamespace; | 47 class SessionStorageNamespace; |
47 class SiteInstance; | 48 class SiteInstance; |
48 struct CustomContextMenuContext; | 49 struct CustomContextMenuContext; |
49 struct DropData; | 50 struct DropData; |
50 | 51 |
51 // A RenderViewHost is responsible for creating and talking to a RenderView | 52 // A RenderViewHost is responsible for creating and talking to a RenderView |
52 // object in a child process. It exposes a high level API to users, for things | 53 // object in a child process. It exposes a high level API to users, for things |
53 // like loading pages, adjusting the display and other browser functionality, | 54 // like loading pages, adjusting the display and other browser functionality, |
54 // which it translates into IPC messages sent over the IPC channel with the | 55 // which it translates into IPC messages sent over the IPC channel with the |
55 // RenderView. It responds to all IPC messages sent by that RenderView and | 56 // RenderView. It responds to all IPC messages sent by that RenderView and |
56 // cracks them, calling a delegate object back with higher level types where | 57 // cracks them, calling a delegate object back with higher level types where |
57 // possible. | 58 // possible. |
58 // | 59 // |
59 // The intent of this interface is to provide a view-agnostic communication | 60 // The intent of this interface is to provide a view-agnostic communication |
60 // conduit with a renderer. This is so we can build HTML views not only as | 61 // conduit with a renderer. This is so we can build HTML views not only as |
61 // WebContents (see WebContents for an example) but also as views, etc. | 62 // WebContents (see WebContents for an example) but also as views, etc. |
62 class CONTENT_EXPORT RenderViewHost : virtual public RenderWidgetHost { | 63 class CONTENT_EXPORT RenderViewHost : virtual public RenderWidgetHost { |
63 public: | 64 public: |
64 // Returns the RenderViewHost given its ID and the ID of its render process. | 65 // Returns the RenderViewHost given its ID and the ID of its render process. |
65 // Returns NULL if the IDs do not correspond to a live RenderViewHost. | 66 // Returns NULL if the IDs do not correspond to a live RenderViewHost. |
66 static RenderViewHost* FromID(int render_process_id, int render_view_id); | 67 static RenderViewHost* FromID(int render_process_id, int render_view_id); |
67 | 68 |
68 // Downcasts from a RenderWidgetHost to a RenderViewHost. Required | 69 // Downcasts from a RenderWidgetHost to a RenderViewHost. Required |
69 // because RenderWidgetHost is a virtual base class. | 70 // because RenderWidgetHost is a virtual base class. |
70 static RenderViewHost* From(RenderWidgetHost* rwh); | 71 static RenderViewHost* From(RenderWidgetHost* rwh); |
71 | 72 |
72 virtual ~RenderViewHost() {} | 73 virtual ~RenderViewHost() {} |
73 | 74 |
| 75 // Returns the main frame for this render view. |
| 76 virtual RenderFrameHost* GetMainFrame() = 0; |
| 77 |
74 // Tell the render view to enable a set of javascript bindings. The argument | 78 // Tell the render view to enable a set of javascript bindings. The argument |
75 // should be a combination of values from BindingsPolicy. | 79 // should be a combination of values from BindingsPolicy. |
76 virtual void AllowBindings(int binding_flags) = 0; | 80 virtual void AllowBindings(int binding_flags) = 0; |
77 | 81 |
78 // Tells the renderer to clear the focused node (if any). | 82 // Tells the renderer to clear the focused node (if any). |
79 virtual void ClearFocusedNode() = 0; | 83 virtual void ClearFocusedNode() = 0; |
80 | 84 |
81 // Causes the renderer to close the current page, including running its | 85 // Causes the renderer to close the current page, including running its |
82 // onunload event handler. A ClosePage_ACK message will be sent to the | 86 // onunload event handler. A ClosePage_ACK message will be sent to the |
83 // ResourceDispatcherHost when it is finished. | 87 // ResourceDispatcherHost when it is finished. |
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270 | 274 |
271 private: | 275 private: |
272 // This interface should only be implemented inside content. | 276 // This interface should only be implemented inside content. |
273 friend class RenderViewHostImpl; | 277 friend class RenderViewHostImpl; |
274 RenderViewHost() {} | 278 RenderViewHost() {} |
275 }; | 279 }; |
276 | 280 |
277 } // namespace content | 281 } // namespace content |
278 | 282 |
279 #endif // CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_ | 283 #endif // CONTENT_PUBLIC_BROWSER_RENDER_VIEW_HOST_H_ |
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