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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 1 // Copyright 2014 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 COMPONENTS_VIEW_MANAGER_CONNECTION_MANAGER_H_ | 5 #ifndef COMPONENTS_VIEW_MANAGER_CONNECTION_MANAGER_H_ |
6 #define COMPONENTS_VIEW_MANAGER_CONNECTION_MANAGER_H_ | 6 #define COMPONENTS_VIEW_MANAGER_CONNECTION_MANAGER_H_ |
7 | 7 |
8 #include <map> | 8 #include <map> |
9 #include <set> | 9 #include <set> |
10 | 10 |
11 #include "base/basictypes.h" | 11 #include "base/basictypes.h" |
12 #include "base/memory/scoped_ptr.h" | 12 #include "base/memory/scoped_ptr.h" |
13 #include "base/timer/timer.h" | 13 #include "base/timer/timer.h" |
14 #include "components/view_manager/animation_runner.h" | 14 #include "components/view_manager/animation_runner.h" |
15 #include "components/view_manager/event_dispatcher.h" | 15 #include "components/view_manager/event_dispatcher.h" |
16 #include "components/view_manager/focus_controller_delegate.h" | 16 #include "components/view_manager/focus_controller_delegate.h" |
17 #include "components/view_manager/ids.h" | 17 #include "components/view_manager/ids.h" |
18 #include "components/view_manager/public/interfaces/view_manager.mojom.h" | |
19 #include "components/view_manager/public/interfaces/view_manager_root.mojom.h" | 18 #include "components/view_manager/public/interfaces/view_manager_root.mojom.h" |
| 19 #include "components/view_manager/public/interfaces/view_tree.mojom.h" |
20 #include "components/view_manager/server_view_delegate.h" | 20 #include "components/view_manager/server_view_delegate.h" |
21 #include "components/view_manager/server_view_observer.h" | 21 #include "components/view_manager/server_view_observer.h" |
22 #include "components/view_manager/view_manager_root_impl.h" | 22 #include "components/view_manager/view_manager_root_impl.h" |
23 #include "third_party/mojo/src/mojo/public/cpp/bindings/array.h" | 23 #include "third_party/mojo/src/mojo/public/cpp/bindings/array.h" |
24 #include "third_party/mojo/src/mojo/public/cpp/bindings/binding.h" | 24 #include "third_party/mojo/src/mojo/public/cpp/bindings/binding.h" |
25 | 25 |
26 namespace view_manager { | 26 namespace view_manager { |
27 | 27 |
28 class ClientConnection; | 28 class ClientConnection; |
29 class ConnectionManagerDelegate; | 29 class ConnectionManagerDelegate; |
30 class FocusController; | 30 class FocusController; |
31 class ServerView; | 31 class ServerView; |
32 class ViewManagerRootConnection; | 32 class ViewManagerRootConnection; |
33 class ViewManagerServiceImpl; | 33 class ViewTreeImpl; |
34 | 34 |
35 // ConnectionManager manages the set of connections to the ViewManager (all the | 35 // ConnectionManager manages the set of connections to the ViewManager (all the |
36 // ViewManagerServiceImpls) as well as providing the root of the hierarchy. | 36 // ViewTreeImpl) as well as providing the root of the hierarchy. |
37 class ConnectionManager : public ServerViewDelegate, | 37 class ConnectionManager : public ServerViewDelegate, |
38 public ServerViewObserver, | 38 public ServerViewObserver, |
39 public FocusControllerDelegate { | 39 public FocusControllerDelegate { |
40 public: | 40 public: |
41 // Create when a ViewManagerServiceImpl is about to make a change. Ensures | 41 // Create when a ViewTreeImpl is about to make a change. Ensures clients are |
42 // clients are notified correctly. | 42 // notified correctly. |
43 class ScopedChange { | 43 class ScopedChange { |
44 public: | 44 public: |
45 ScopedChange(ViewManagerServiceImpl* connection, | 45 ScopedChange(ViewTreeImpl* connection, |
46 ConnectionManager* connection_manager, | 46 ConnectionManager* connection_manager, |
47 bool is_delete_view); | 47 bool is_delete_view); |
48 ~ScopedChange(); | 48 ~ScopedChange(); |
49 | 49 |
50 mojo::ConnectionSpecificId connection_id() const { return connection_id_; } | 50 mojo::ConnectionSpecificId connection_id() const { return connection_id_; } |
51 bool is_delete_view() const { return is_delete_view_; } | 51 bool is_delete_view() const { return is_delete_view_; } |
52 | 52 |
53 // Marks the connection with the specified id as having seen a message. | 53 // Marks the connection with the specified id as having seen a message. |
54 void MarkConnectionAsMessaged(mojo::ConnectionSpecificId connection_id) { | 54 void MarkConnectionAsMessaged(mojo::ConnectionSpecificId connection_id) { |
55 message_ids_.insert(connection_id); | 55 message_ids_.insert(connection_id); |
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74 explicit ConnectionManager(ConnectionManagerDelegate* delegate); | 74 explicit ConnectionManager(ConnectionManagerDelegate* delegate); |
75 ~ConnectionManager() override; | 75 ~ConnectionManager() override; |
76 | 76 |
77 // Adds a ViewManagerRoot. | 77 // Adds a ViewManagerRoot. |
78 void AddRoot(ViewManagerRootConnection* root_connection); | 78 void AddRoot(ViewManagerRootConnection* root_connection); |
79 | 79 |
80 // Creates a new ServerView. The return value is owned by the caller, but must | 80 // Creates a new ServerView. The return value is owned by the caller, but must |
81 // be destroyed before ConnectionManager. | 81 // be destroyed before ConnectionManager. |
82 ServerView* CreateServerView(const ViewId& id); | 82 ServerView* CreateServerView(const ViewId& id); |
83 | 83 |
84 // Returns the id for the next ViewManagerServiceImpl. | 84 // Returns the id for the next ViewTreeImpl. |
85 mojo::ConnectionSpecificId GetAndAdvanceNextConnectionId(); | 85 mojo::ConnectionSpecificId GetAndAdvanceNextConnectionId(); |
86 | 86 |
87 // Returns the id for the next ViewManagerRootImpl. | 87 // Returns the id for the next ViewManagerRootImpl. |
88 uint16_t GetAndAdvanceNextRootId(); | 88 uint16_t GetAndAdvanceNextRootId(); |
89 | 89 |
90 // Invoked when a ViewManagerServiceImpl's connection encounters an error. | 90 // Invoked when a ViewTreeImpl's connection encounters an error. |
91 void OnConnectionError(ClientConnection* connection); | 91 void OnConnectionError(ClientConnection* connection); |
92 | 92 |
93 // Invoked when a ViewManagerRootBindingOwnerBase's connection encounters an | 93 // Invoked when a ViewManagerRootBindingOwnerBase's connection encounters an |
94 // error or the associated Display window is closed. | 94 // error or the associated Display window is closed. |
95 void OnRootConnectionClosed(ViewManagerRootConnection* connection); | 95 void OnRootConnectionClosed(ViewManagerRootConnection* connection); |
96 | 96 |
97 // See description of ViewManagerService::Embed() for details. This assumes | 97 // See description of ViewTree::Embed() for details. This assumes |
98 // |transport_view_id| is valid. | 98 // |transport_view_id| is valid. |
99 void EmbedAtView(mojo::ConnectionSpecificId creator_id, | 99 void EmbedAtView(mojo::ConnectionSpecificId creator_id, |
100 const ViewId& view_id, | 100 const ViewId& view_id, |
101 mojo::URLRequestPtr request); | 101 mojo::URLRequestPtr request); |
102 ViewManagerServiceImpl* EmbedAtView( | 102 ViewTreeImpl* EmbedAtView(mojo::ConnectionSpecificId creator_id, |
103 mojo::ConnectionSpecificId creator_id, | 103 const ViewId& view_id, |
104 const ViewId& view_id, | 104 mojo::ViewTreeClientPtr client); |
105 mojo::ViewManagerClientPtr client); | |
106 | 105 |
107 // Invoked when an accelerator has been triggered on a view tree with the | 106 // Invoked when an accelerator has been triggered on a view tree with the |
108 // provided |root|. | 107 // provided |root|. |
109 void OnAccelerator(ServerView* root, mojo::EventPtr event); | 108 void OnAccelerator(ServerView* root, mojo::EventPtr event); |
110 | 109 |
111 // Returns the connection by id. | 110 // Returns the connection by id. |
112 ViewManagerServiceImpl* GetConnection( | 111 ViewTreeImpl* GetConnection( |
113 mojo::ConnectionSpecificId connection_id); | 112 mojo::ConnectionSpecificId connection_id); |
114 | 113 |
115 // Returns the View identified by |id|. | 114 // Returns the View identified by |id|. |
116 ServerView* GetView(const ViewId& id); | 115 ServerView* GetView(const ViewId& id); |
117 | 116 |
118 void SetFocusedView(ServerView* view); | 117 void SetFocusedView(ServerView* view); |
119 ServerView* GetFocusedView(); | 118 ServerView* GetFocusedView(); |
120 | 119 |
121 // Returns whether |view| is a descendant of some root view but not itself a | 120 // Returns whether |view| is a descendant of some root view but not itself a |
122 // root view. | 121 // root view. |
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137 // Invoked when a connection messages a client about the change. This is used | 136 // Invoked when a connection messages a client about the change. This is used |
138 // to avoid sending ServerChangeIdAdvanced() unnecessarily. | 137 // to avoid sending ServerChangeIdAdvanced() unnecessarily. |
139 void OnConnectionMessagedClient(mojo::ConnectionSpecificId id); | 138 void OnConnectionMessagedClient(mojo::ConnectionSpecificId id); |
140 | 139 |
141 // Returns true if OnConnectionMessagedClient() was invoked for id. | 140 // Returns true if OnConnectionMessagedClient() was invoked for id. |
142 bool DidConnectionMessageClient(mojo::ConnectionSpecificId id) const; | 141 bool DidConnectionMessageClient(mojo::ConnectionSpecificId id) const; |
143 | 142 |
144 // Returns the metrics of the viewport where the provided |view| is displayed. | 143 // Returns the metrics of the viewport where the provided |view| is displayed. |
145 mojo::ViewportMetricsPtr GetViewportMetricsForView(const ServerView* view); | 144 mojo::ViewportMetricsPtr GetViewportMetricsForView(const ServerView* view); |
146 | 145 |
147 // Returns the ViewManagerServiceImpl that has |id| as a root. | 146 // Returns the ViewTreeImpl that has |id| as a root. |
148 ViewManagerServiceImpl* GetConnectionWithRoot(const ViewId& id) { | 147 ViewTreeImpl* GetConnectionWithRoot(const ViewId& id) { |
149 return const_cast<ViewManagerServiceImpl*>( | 148 return const_cast<ViewTreeImpl*>( |
150 const_cast<const ConnectionManager*>(this)->GetConnectionWithRoot(id)); | 149 const_cast<const ConnectionManager*>(this)->GetConnectionWithRoot(id)); |
151 } | 150 } |
152 const ViewManagerServiceImpl* GetConnectionWithRoot(const ViewId& id) const; | 151 const ViewTreeImpl* GetConnectionWithRoot(const ViewId& id) const; |
153 | 152 |
154 // Returns the first ancestor of |service| that is marked as an embed root. | 153 // Returns the first ancestor of |service| that is marked as an embed root. |
155 ViewManagerServiceImpl* GetEmbedRoot(ViewManagerServiceImpl* service); | 154 ViewTreeImpl* GetEmbedRoot(ViewTreeImpl* service); |
156 | 155 |
157 // ViewManagerRoot implementation helper; see mojom for details. | 156 // ViewManagerRoot implementation helper; see mojom for details. |
158 bool CloneAndAnimate(const ViewId& view_id); | 157 bool CloneAndAnimate(const ViewId& view_id); |
159 | 158 |
160 // Dispatches |event| directly to the appropriate connection for |view|. | 159 // Dispatches |event| directly to the appropriate connection for |view|. |
161 void DispatchInputEventToView(const ServerView* view, mojo::EventPtr event); | 160 void DispatchInputEventToView(const ServerView* view, mojo::EventPtr event); |
162 | 161 |
163 void OnEvent(ViewManagerRootImpl* root, mojo::EventPtr event); | 162 void OnEvent(ViewManagerRootImpl* root, mojo::EventPtr event); |
164 | 163 |
165 void AddAccelerator(ViewManagerRootImpl* root, | 164 void AddAccelerator(ViewManagerRootImpl* root, |
166 mojo::KeyboardCode keyboard_code, | 165 mojo::KeyboardCode keyboard_code, |
167 mojo::EventFlags flags); | 166 mojo::EventFlags flags); |
168 | 167 |
169 void RemoveAccelerator(ViewManagerRootImpl* root, | 168 void RemoveAccelerator(ViewManagerRootImpl* root, |
170 mojo::KeyboardCode keyboard_code, | 169 mojo::KeyboardCode keyboard_code, |
171 mojo::EventFlags flags); | 170 mojo::EventFlags flags); |
172 | 171 |
173 // Set IME's visibility for the specified view. If the view is not the current | 172 // Set IME's visibility for the specified view. If the view is not the current |
174 // focused view, this function will do nothing. | 173 // focused view, this function will do nothing. |
175 void SetImeVisibility(ServerView* view, bool visible); | 174 void SetImeVisibility(ServerView* view, bool visible); |
176 | 175 |
177 // These functions trivially delegate to all ViewManagerServiceImpls, which in | 176 // These functions trivially delegate to all ViewTreeImpls, which in |
178 // term notify their clients. | 177 // term notify their clients. |
179 void ProcessViewDestroyed(ServerView* view); | 178 void ProcessViewDestroyed(ServerView* view); |
180 void ProcessViewBoundsChanged(const ServerView* view, | 179 void ProcessViewBoundsChanged(const ServerView* view, |
181 const gfx::Rect& old_bounds, | 180 const gfx::Rect& old_bounds, |
182 const gfx::Rect& new_bounds); | 181 const gfx::Rect& new_bounds); |
183 void ProcessViewportMetricsChanged(const mojo::ViewportMetrics& old_metrics, | 182 void ProcessViewportMetricsChanged(const mojo::ViewportMetrics& old_metrics, |
184 const mojo::ViewportMetrics& new_metrics); | 183 const mojo::ViewportMetrics& new_metrics); |
185 void ProcessWillChangeViewHierarchy(const ServerView* view, | 184 void ProcessWillChangeViewHierarchy(const ServerView* view, |
186 const ServerView* new_parent, | 185 const ServerView* new_parent, |
187 const ServerView* old_parent); | 186 const ServerView* old_parent); |
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255 const ui::TextInputState& state) override; | 254 const ui::TextInputState& state) override; |
256 | 255 |
257 void CloneAndAnimate(mojo::Id transport_view_id); | 256 void CloneAndAnimate(mojo::Id transport_view_id); |
258 | 257 |
259 // FocusControllerDelegate: | 258 // FocusControllerDelegate: |
260 void OnFocusChanged(ServerView* old_focused_view, | 259 void OnFocusChanged(ServerView* old_focused_view, |
261 ServerView* new_focused_view) override; | 260 ServerView* new_focused_view) override; |
262 | 261 |
263 ConnectionManagerDelegate* delegate_; | 262 ConnectionManagerDelegate* delegate_; |
264 | 263 |
265 // ID to use for next ViewManagerServiceImpl. | 264 // ID to use for next ViewTreeImpl. |
266 mojo::ConnectionSpecificId next_connection_id_; | 265 mojo::ConnectionSpecificId next_connection_id_; |
267 | 266 |
268 // ID to use for next ViewManagerRootImpl. | 267 // ID to use for next ViewManagerRootImpl. |
269 uint16_t next_root_id_; | 268 uint16_t next_root_id_; |
270 | 269 |
271 EventDispatcher event_dispatcher_; | 270 EventDispatcher event_dispatcher_; |
272 | 271 |
273 // Set of ViewManagerServiceImpls. | 272 // Set of ViewTreeImpls. |
274 ConnectionMap connection_map_; | 273 ConnectionMap connection_map_; |
275 | 274 |
276 // Set of ViewManagerRootImpls. | 275 // Set of ViewManagerRootImpls. |
277 RootConnectionMap root_connection_map_; | 276 RootConnectionMap root_connection_map_; |
278 | 277 |
279 // If non-null we're processing a change. The ScopedChange is not owned by us | 278 // If non-null we're processing a change. The ScopedChange is not owned by us |
280 // (it's created on the stack by ViewManagerServiceImpl). | 279 // (it's created on the stack by ViewTreeImpl). |
281 ScopedChange* current_change_; | 280 ScopedChange* current_change_; |
282 | 281 |
283 bool in_destructor_; | 282 bool in_destructor_; |
284 | 283 |
285 // TODO(sky): nuke! Just a proof of concept until get real animation api. | 284 // TODO(sky): nuke! Just a proof of concept until get real animation api. |
286 base::RepeatingTimer<ConnectionManager> animation_timer_; | 285 base::RepeatingTimer<ConnectionManager> animation_timer_; |
287 | 286 |
288 AnimationRunner animation_runner_; | 287 AnimationRunner animation_runner_; |
289 | 288 |
290 scoped_ptr<FocusController> focus_controller_; | 289 scoped_ptr<FocusController> focus_controller_; |
291 | 290 |
292 DISALLOW_COPY_AND_ASSIGN(ConnectionManager); | 291 DISALLOW_COPY_AND_ASSIGN(ConnectionManager); |
293 }; | 292 }; |
294 | 293 |
295 } // namespace view_manager | 294 } // namespace view_manager |
296 | 295 |
297 #endif // COMPONENTS_VIEW_MANAGER_CONNECTION_MANAGER_H_ | 296 #endif // COMPONENTS_VIEW_MANAGER_CONNECTION_MANAGER_H_ |
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