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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 // A BrowserPluginEmbedder handles messages coming from a BrowserPlugin's | 5 // A BrowserPluginEmbedder handles messages coming from a BrowserPlugin's |
6 // embedder that are not directed at any particular existing guest process. | 6 // embedder that are not directed at any particular existing guest process. |
7 // In the beginning, when a BrowserPlugin instance in the embedder renderer | 7 // In the beginning, when a BrowserPlugin instance in the embedder renderer |
8 // process requests an initial navigation, the WebContents for that renderer | 8 // process requests an initial navigation, the WebContents for that renderer |
9 // renderer creates a BrowserPluginEmbedder for itself. The | 9 // renderer creates a BrowserPluginEmbedder for itself. The |
10 // BrowserPluginEmbedder, in turn, forwards the requests to a | 10 // BrowserPluginEmbedder, in turn, forwards the requests to a |
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79 | 79 |
80 void StartDrag(BrowserPluginGuest* guest); | 80 void StartDrag(BrowserPluginGuest* guest); |
81 | 81 |
82 // Sends EndSystemDrag message to the guest that initiated the last drag/drop | 82 // Sends EndSystemDrag message to the guest that initiated the last drag/drop |
83 // operation, if there's any. | 83 // operation, if there's any. |
84 void SystemDragEnded(); | 84 void SystemDragEnded(); |
85 | 85 |
86 private: | 86 private: |
87 friend class TestBrowserPluginEmbedder; | 87 friend class TestBrowserPluginEmbedder; |
88 | 88 |
89 BrowserPluginEmbedder(WebContentsImpl* web_contents); | 89 explicit BrowserPluginEmbedder(WebContentsImpl* web_contents); |
90 | 90 |
91 BrowserPluginGuestManager* GetBrowserPluginGuestManager(); | 91 void AllocateInstanceIDResponse(int request_id, int instance_id); |
92 | 92 |
93 bool DidSendScreenRectsCallback(BrowserPluginGuest* guest); | 93 bool DidSendScreenRectsCallback(BrowserPluginGuest* guest); |
94 | 94 |
95 bool SetZoomLevelCallback(double level, BrowserPluginGuest* guest); | 95 bool SetZoomLevelCallback(double level, BrowserPluginGuest* guest); |
96 | 96 |
97 bool UnlockMouseIfNecessaryCallback(const NativeWebKeyboardEvent& event, | 97 bool UnlockMouseIfNecessaryCallback(const NativeWebKeyboardEvent& event, |
98 BrowserPluginGuest* guest); | 98 BrowserPluginGuest* guest); |
99 | 99 |
100 // Message handlers. | 100 // Message handlers. |
101 | 101 |
102 void OnAllocateInstanceID(int request_id); | 102 void OnAllocateInstanceID(int request_id, const std::string& src); |
103 void OnAttach(int instance_id, | 103 void OnAttach(int instance_id, |
104 const BrowserPluginHostMsg_Attach_Params& params, | 104 const BrowserPluginHostMsg_Attach_Params& params, |
105 const base::DictionaryValue& extra_params); | 105 const base::DictionaryValue& extra_params); |
106 void OnPluginAtPositionResponse(int instance_id, | 106 void OnPluginAtPositionResponse(int instance_id, |
107 int request_id, | 107 int request_id, |
108 const gfx::Point& position); | 108 const gfx::Point& position); |
109 | 109 |
110 // Static factory instance (always NULL for non-test). | 110 // Static factory instance (always NULL for non-test). |
111 static BrowserPluginHostFactory* factory_; | 111 static BrowserPluginHostFactory* factory_; |
112 | 112 |
113 // Used to correctly update the cursor when dragging over a guest, and to | 113 // Used to correctly update the cursor when dragging over a guest, and to |
114 // handle a race condition when dropping onto the guest that started the drag | 114 // handle a race condition when dropping onto the guest that started the drag |
115 // (the race is that the dragend message arrives before the drop message so | 115 // (the race is that the dragend message arrives before the drop message so |
116 // the drop never takes place). | 116 // the drop never takes place). |
117 // crbug.com/233571 | 117 // crbug.com/233571 |
118 base::WeakPtr<BrowserPluginGuest> guest_dragging_over_; | 118 base::WeakPtr<BrowserPluginGuest> guest_dragging_over_; |
119 | 119 |
120 // Pointer to the guest that started the drag, used to forward necessary drag | 120 // Pointer to the guest that started the drag, used to forward necessary drag |
121 // status messages to the correct guest. | 121 // status messages to the correct guest. |
122 base::WeakPtr<BrowserPluginGuest> guest_started_drag_; | 122 base::WeakPtr<BrowserPluginGuest> guest_started_drag_; |
123 | 123 |
| 124 base::WeakPtrFactory<BrowserPluginEmbedder> weak_ptr_factory_; |
| 125 |
124 DISALLOW_COPY_AND_ASSIGN(BrowserPluginEmbedder); | 126 DISALLOW_COPY_AND_ASSIGN(BrowserPluginEmbedder); |
125 }; | 127 }; |
126 | 128 |
127 } // namespace content | 129 } // namespace content |
128 | 130 |
129 #endif // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_EMBEDDER_H_ | 131 #endif // CONTENT_BROWSER_BROWSER_PLUGIN_BROWSER_PLUGIN_EMBEDDER_H_ |
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