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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_MUS_CONNECTION_MANAGER_H_ | 5 #ifndef COMPONENTS_MUS_CONNECTION_MANAGER_H_ |
| 6 #define COMPONENTS_MUS_CONNECTION_MANAGER_H_ | 6 #define COMPONENTS_MUS_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/mus/focus_controller_delegate.h" | 14 #include "components/mus/focus_controller_delegate.h" |
| 15 #include "components/mus/ids.h" | 15 #include "components/mus/ids.h" |
| 16 #include "components/mus/public/interfaces/view_tree.mojom.h" | 16 #include "components/mus/public/interfaces/view_tree.mojom.h" |
| 17 #include "components/mus/public/interfaces/view_tree_host.mojom.h" | 17 #include "components/mus/public/interfaces/view_tree_host.mojom.h" |
| 18 #include "components/mus/server_view_delegate.h" | 18 #include "components/mus/server_view_delegate.h" |
| 19 #include "components/mus/server_view_observer.h" | 19 #include "components/mus/server_view_observer.h" |
| 20 #include "components/mus/surfaces/surfaces_state.h" | 20 #include "components/mus/surfaces/surfaces_state.h" |
| 21 #include "components/mus/view_tree_host_impl.h" | 21 #include "components/mus/view_tree_host_impl.h" |
| 22 #include "mojo/converters/surfaces/custom_surface_converter.h" | 22 #include "mojo/converters/surfaces/custom_surface_converter.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 mus { |
| 27 | 27 |
| 28 class ClientConnection; | 28 class ClientConnection; |
| 29 class ConnectionManagerDelegate; | 29 class ConnectionManagerDelegate; |
| 30 class ServerView; | 30 class ServerView; |
| 31 class ViewTreeHostConnection; | 31 class ViewTreeHostConnection; |
| 32 class ViewTreeImpl; | 32 class ViewTreeImpl; |
| 33 | 33 |
| 34 // ConnectionManager manages the set of connections to the ViewManager (all the | 34 // ConnectionManager manages the set of connections to the ViewManager (all the |
| 35 // ViewTreeImpl) as well as providing the root of the hierarchy. | 35 // ViewTreeImpl) as well as providing the root of the hierarchy. |
| 36 class ConnectionManager : public ServerViewDelegate, | 36 class ConnectionManager : public ServerViewDelegate, |
| 37 public ServerViewObserver, | 37 public ServerViewObserver, |
| 38 public mojo::CustomSurfaceConverter { | 38 public mojo::CustomSurfaceConverter { |
| 39 public: | 39 public: |
| 40 // Create when a ViewTreeImpl is about to make a change. Ensures clients are | 40 // Create when a ViewTreeImpl is about to make a change. Ensures clients are |
| 41 // notified correctly. | 41 // notified correctly. |
| 42 class ScopedChange { | 42 class ScopedChange { |
| 43 public: | 43 public: |
| 44 ScopedChange(ViewTreeImpl* connection, | 44 ScopedChange(ViewTreeImpl* connection, |
| 45 ConnectionManager* connection_manager, | 45 ConnectionManager* connection_manager, |
| 46 bool is_delete_view); | 46 bool is_delete_view); |
| 47 ~ScopedChange(); | 47 ~ScopedChange(); |
| 48 | 48 |
| 49 mojo::ConnectionSpecificId connection_id() const { return connection_id_; } | 49 ConnectionSpecificId connection_id() const { return connection_id_; } |
| 50 bool is_delete_view() const { return is_delete_view_; } | 50 bool is_delete_view() const { return is_delete_view_; } |
| 51 | 51 |
| 52 // Marks the connection with the specified id as having seen a message. | 52 // Marks the connection with the specified id as having seen a message. |
| 53 void MarkConnectionAsMessaged(mojo::ConnectionSpecificId connection_id) { | 53 void MarkConnectionAsMessaged(ConnectionSpecificId connection_id) { |
| 54 message_ids_.insert(connection_id); | 54 message_ids_.insert(connection_id); |
| 55 } | 55 } |
| 56 | 56 |
| 57 // Returns true if MarkConnectionAsMessaged(connection_id) was invoked. | 57 // Returns true if MarkConnectionAsMessaged(connection_id) was invoked. |
| 58 bool DidMessageConnection(mojo::ConnectionSpecificId connection_id) const { | 58 bool DidMessageConnection(ConnectionSpecificId connection_id) const { |
| 59 return message_ids_.count(connection_id) > 0; | 59 return message_ids_.count(connection_id) > 0; |
| 60 } | 60 } |
| 61 | 61 |
| 62 private: | 62 private: |
| 63 ConnectionManager* connection_manager_; | 63 ConnectionManager* connection_manager_; |
| 64 const mojo::ConnectionSpecificId connection_id_; | 64 const ConnectionSpecificId connection_id_; |
| 65 const bool is_delete_view_; | 65 const bool is_delete_view_; |
| 66 | 66 |
| 67 // See description of MarkConnectionAsMessaged/DidMessageConnection. | 67 // See description of MarkConnectionAsMessaged/DidMessageConnection. |
| 68 std::set<mojo::ConnectionSpecificId> message_ids_; | 68 std::set<ConnectionSpecificId> message_ids_; |
| 69 | 69 |
| 70 DISALLOW_COPY_AND_ASSIGN(ScopedChange); | 70 DISALLOW_COPY_AND_ASSIGN(ScopedChange); |
| 71 }; | 71 }; |
| 72 | 72 |
| 73 ConnectionManager( | 73 ConnectionManager(ConnectionManagerDelegate* delegate, |
| 74 ConnectionManagerDelegate* delegate, | 74 const scoped_refptr<SurfacesState>& surfaces_state); |
| 75 const scoped_refptr<surfaces::SurfacesState>& surfaces_state); | |
| 76 ~ConnectionManager() override; | 75 ~ConnectionManager() override; |
| 77 | 76 |
| 78 // Adds a ViewTreeHost. | 77 // Adds a ViewTreeHost. |
| 79 void AddHost(ViewTreeHostConnection* connection); | 78 void AddHost(ViewTreeHostConnection* connection); |
| 80 | 79 |
| 81 // 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 |
| 82 // be destroyed before ConnectionManager. | 81 // be destroyed before ConnectionManager. |
| 83 ServerView* CreateServerView(const ViewId& id); | 82 ServerView* CreateServerView(const ViewId& id); |
| 84 | 83 |
| 85 // Returns the id for the next ViewTreeImpl. | 84 // Returns the id for the next ViewTreeImpl. |
| 86 mojo::ConnectionSpecificId GetAndAdvanceNextConnectionId(); | 85 ConnectionSpecificId GetAndAdvanceNextConnectionId(); |
| 87 | 86 |
| 88 // Returns the id for the next ViewTreeHostImpl. | 87 // Returns the id for the next ViewTreeHostImpl. |
| 89 uint16_t GetAndAdvanceNextHostId(); | 88 uint16_t GetAndAdvanceNextHostId(); |
| 90 | 89 |
| 91 // Invoked when a ViewTreeImpl's connection encounters an error. | 90 // Invoked when a ViewTreeImpl's connection encounters an error. |
| 92 void OnConnectionError(ClientConnection* connection); | 91 void OnConnectionError(ClientConnection* connection); |
| 93 | 92 |
| 94 // Invoked when a ViewTreeHostBindingOwnerBase's connection encounters an | 93 // Invoked when a ViewTreeHostBindingOwnerBase's connection encounters an |
| 95 // error or the associated Display window is closed. | 94 // error or the associated Display window is closed. |
| 96 void OnHostConnectionClosed(ViewTreeHostConnection* connection); | 95 void OnHostConnectionClosed(ViewTreeHostConnection* connection); |
| 97 | 96 |
| 98 // See description of ViewTree::Embed() for details. This assumes | 97 // See description of ViewTree::Embed() for details. This assumes |
| 99 // |transport_view_id| is valid. | 98 // |transport_view_id| is valid. |
| 100 void EmbedAtView(mojo::ConnectionSpecificId creator_id, | 99 void EmbedAtView(ConnectionSpecificId creator_id, |
| 101 const ViewId& view_id, | 100 const ViewId& view_id, |
| 102 uint32_t policy_bitmask, | 101 uint32_t policy_bitmask, |
| 103 mojo::URLRequestPtr request); | 102 mojo::URLRequestPtr request); |
| 104 ViewTreeImpl* EmbedAtView(mojo::ConnectionSpecificId creator_id, | 103 ViewTreeImpl* EmbedAtView(ConnectionSpecificId creator_id, |
| 105 const ViewId& view_id, | 104 const ViewId& view_id, |
| 106 uint32_t policy_bitmask, | 105 uint32_t policy_bitmask, |
| 107 mojo::ViewTreeClientPtr client); | 106 mojo::ViewTreeClientPtr client); |
| 108 | 107 |
| 109 // Returns the connection by id. | 108 // Returns the connection by id. |
| 110 ViewTreeImpl* GetConnection(mojo::ConnectionSpecificId connection_id); | 109 ViewTreeImpl* GetConnection(ConnectionSpecificId connection_id); |
| 111 | 110 |
| 112 // Returns the View identified by |id|. | 111 // Returns the View identified by |id|. |
| 113 ServerView* GetView(const ViewId& id); | 112 ServerView* GetView(const ViewId& id); |
| 114 | 113 |
| 115 // Returns whether |view| is a descendant of some root view but not itself a | 114 // Returns whether |view| is a descendant of some root view but not itself a |
| 116 // root view. | 115 // root view. |
| 117 bool IsViewAttachedToRoot(const ServerView* view) const; | 116 bool IsViewAttachedToRoot(const ServerView* view) const; |
| 118 | 117 |
| 119 // Schedules a paint for the specified region in the coordinates of |view|. | 118 // Schedules a paint for the specified region in the coordinates of |view|. |
| 120 void SchedulePaint(const ServerView* view, const gfx::Rect& bounds); | 119 void SchedulePaint(const ServerView* view, const gfx::Rect& bounds); |
| 121 | 120 |
| 122 bool IsProcessingChange() const { return current_change_ != NULL; } | 121 bool IsProcessingChange() const { return current_change_ != NULL; } |
| 123 | 122 |
| 124 bool is_processing_delete_view() const { | 123 bool is_processing_delete_view() const { |
| 125 return current_change_ && current_change_->is_delete_view(); | 124 return current_change_ && current_change_->is_delete_view(); |
| 126 } | 125 } |
| 127 | 126 |
| 128 // Invoked when the ViewTreeHostImpl's display is closed. | 127 // Invoked when the ViewTreeHostImpl's display is closed. |
| 129 void OnDisplayClosed(); | 128 void OnDisplayClosed(); |
| 130 | 129 |
| 131 // Invoked when a connection messages a client about the change. This is used | 130 // Invoked when a connection messages a client about the change. This is used |
| 132 // to avoid sending ServerChangeIdAdvanced() unnecessarily. | 131 // to avoid sending ServerChangeIdAdvanced() unnecessarily. |
| 133 void OnConnectionMessagedClient(mojo::ConnectionSpecificId id); | 132 void OnConnectionMessagedClient(ConnectionSpecificId id); |
| 134 | 133 |
| 135 // Returns true if OnConnectionMessagedClient() was invoked for id. | 134 // Returns true if OnConnectionMessagedClient() was invoked for id. |
| 136 bool DidConnectionMessageClient(mojo::ConnectionSpecificId id) const; | 135 bool DidConnectionMessageClient(ConnectionSpecificId id) const; |
| 137 | 136 |
| 138 // Returns the metrics of the viewport where the provided |view| is displayed. | 137 // Returns the metrics of the viewport where the provided |view| is displayed. |
| 139 mojo::ViewportMetricsPtr GetViewportMetricsForView(const ServerView* view); | 138 mojo::ViewportMetricsPtr GetViewportMetricsForView(const ServerView* view); |
| 140 | 139 |
| 141 // Returns the ViewTreeImpl that has |id| as a root. | 140 // Returns the ViewTreeImpl that has |id| as a root. |
| 142 ViewTreeImpl* GetConnectionWithRoot(const ViewId& id) { | 141 ViewTreeImpl* GetConnectionWithRoot(const ViewId& id) { |
| 143 return const_cast<ViewTreeImpl*>( | 142 return const_cast<ViewTreeImpl*>( |
| 144 const_cast<const ConnectionManager*>(this)->GetConnectionWithRoot(id)); | 143 const_cast<const ConnectionManager*>(this)->GetConnectionWithRoot(id)); |
| 145 } | 144 } |
| 146 const ViewTreeImpl* GetConnectionWithRoot(const ViewId& id) const; | 145 const ViewTreeImpl* GetConnectionWithRoot(const ViewId& id) const; |
| (...skipping 23 matching lines...) Expand all Loading... |
| 170 const ServerView* old_parent); | 169 const ServerView* old_parent); |
| 171 void ProcessViewHierarchyChanged(const ServerView* view, | 170 void ProcessViewHierarchyChanged(const ServerView* view, |
| 172 const ServerView* new_parent, | 171 const ServerView* new_parent, |
| 173 const ServerView* old_parent); | 172 const ServerView* old_parent); |
| 174 void ProcessViewReorder(const ServerView* view, | 173 void ProcessViewReorder(const ServerView* view, |
| 175 const ServerView* relative_view, | 174 const ServerView* relative_view, |
| 176 const mojo::OrderDirection direction); | 175 const mojo::OrderDirection direction); |
| 177 void ProcessViewDeleted(const ViewId& view); | 176 void ProcessViewDeleted(const ViewId& view); |
| 178 | 177 |
| 179 private: | 178 private: |
| 180 using ConnectionMap = std::map<mojo::ConnectionSpecificId, ClientConnection*>; | 179 using ConnectionMap = std::map<ConnectionSpecificId, ClientConnection*>; |
| 181 using HostConnectionMap = | 180 using HostConnectionMap = |
| 182 std::map<ViewTreeHostImpl*, ViewTreeHostConnection*>; | 181 std::map<ViewTreeHostImpl*, ViewTreeHostConnection*>; |
| 183 | 182 |
| 184 // Invoked when a connection is about to make a change. Subsequently followed | 183 // Invoked when a connection is about to make a change. Subsequently followed |
| 185 // by FinishChange() once the change is done. | 184 // by FinishChange() once the change is done. |
| 186 // | 185 // |
| 187 // Changes should never nest, meaning each PrepareForChange() must be | 186 // Changes should never nest, meaning each PrepareForChange() must be |
| 188 // balanced with a call to FinishChange() with no PrepareForChange() | 187 // balanced with a call to FinishChange() with no PrepareForChange() |
| 189 // in between. | 188 // in between. |
| 190 void PrepareForChange(ScopedChange* change); | 189 void PrepareForChange(ScopedChange* change); |
| 191 | 190 |
| 192 // Balances a call to PrepareForChange(). | 191 // Balances a call to PrepareForChange(). |
| 193 void FinishChange(); | 192 void FinishChange(); |
| 194 | 193 |
| 195 // Returns true if the specified connection originated the current change. | 194 // Returns true if the specified connection originated the current change. |
| 196 bool IsChangeSource(mojo::ConnectionSpecificId connection_id) const { | 195 bool IsChangeSource(ConnectionSpecificId connection_id) const { |
| 197 return current_change_ && current_change_->connection_id() == connection_id; | 196 return current_change_ && current_change_->connection_id() == connection_id; |
| 198 } | 197 } |
| 199 | 198 |
| 200 // Adds |connection| to internal maps. | 199 // Adds |connection| to internal maps. |
| 201 void AddConnection(ClientConnection* connection); | 200 void AddConnection(ClientConnection* connection); |
| 202 | 201 |
| 203 // Overridden from ServerViewDelegate: | 202 // Overridden from ServerViewDelegate: |
| 204 scoped_ptr<cc::CompositorFrame> UpdateViewTreeFromCompositorFrame( | 203 scoped_ptr<cc::CompositorFrame> UpdateViewTreeFromCompositorFrame( |
| 205 const mojo::CompositorFramePtr& input) override; | 204 const mojo::CompositorFramePtr& input) override; |
| 206 surfaces::SurfacesState* GetSurfacesState() override; | 205 SurfacesState* GetSurfacesState() override; |
| 207 void OnScheduleViewPaint(const ServerView* view) override; | 206 void OnScheduleViewPaint(const ServerView* view) override; |
| 208 const ServerView* GetRootView(const ServerView* view) const override; | 207 const ServerView* GetRootView(const ServerView* view) const override; |
| 209 | 208 |
| 210 // Overridden from ServerViewObserver: | 209 // Overridden from ServerViewObserver: |
| 211 void OnViewDestroyed(ServerView* view) override; | 210 void OnViewDestroyed(ServerView* view) override; |
| 212 void OnWillChangeViewHierarchy(ServerView* view, | 211 void OnWillChangeViewHierarchy(ServerView* view, |
| 213 ServerView* new_parent, | 212 ServerView* new_parent, |
| 214 ServerView* old_parent) override; | 213 ServerView* old_parent) override; |
| 215 void OnViewHierarchyChanged(ServerView* view, | 214 void OnViewHierarchyChanged(ServerView* view, |
| 216 ServerView* new_parent, | 215 ServerView* new_parent, |
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| 231 | 230 |
| 232 // Overriden from CustomSurfaceConverter: | 231 // Overriden from CustomSurfaceConverter: |
| 233 bool ConvertSurfaceDrawQuad(const mojo::QuadPtr& input, | 232 bool ConvertSurfaceDrawQuad(const mojo::QuadPtr& input, |
| 234 const mojo::CompositorFrameMetadataPtr& metadata, | 233 const mojo::CompositorFrameMetadataPtr& metadata, |
| 235 cc::SharedQuadState* sqs, | 234 cc::SharedQuadState* sqs, |
| 236 cc::RenderPass* render_pass) override; | 235 cc::RenderPass* render_pass) override; |
| 237 | 236 |
| 238 ConnectionManagerDelegate* delegate_; | 237 ConnectionManagerDelegate* delegate_; |
| 239 | 238 |
| 240 // State for rendering into a Surface. | 239 // State for rendering into a Surface. |
| 241 scoped_refptr<surfaces::SurfacesState> surfaces_state_; | 240 scoped_refptr<SurfacesState> surfaces_state_; |
| 242 | 241 |
| 243 // ID to use for next ViewTreeImpl. | 242 // ID to use for next ViewTreeImpl. |
| 244 mojo::ConnectionSpecificId next_connection_id_; | 243 ConnectionSpecificId next_connection_id_; |
| 245 | 244 |
| 246 // ID to use for next ViewTreeHostImpl. | 245 // ID to use for next ViewTreeHostImpl. |
| 247 uint16_t next_host_id_; | 246 uint16_t next_host_id_; |
| 248 | 247 |
| 249 // Set of ViewTreeImpls. | 248 // Set of ViewTreeImpls. |
| 250 ConnectionMap connection_map_; | 249 ConnectionMap connection_map_; |
| 251 | 250 |
| 252 // Set of ViewTreeHostImpls. | 251 // Set of ViewTreeHostImpls. |
| 253 HostConnectionMap host_connection_map_; | 252 HostConnectionMap host_connection_map_; |
| 254 | 253 |
| 255 // If non-null we're processing a change. The ScopedChange is not owned by us | 254 // If non-null we're processing a change. The ScopedChange is not owned by us |
| 256 // (it's created on the stack by ViewTreeImpl). | 255 // (it's created on the stack by ViewTreeImpl). |
| 257 ScopedChange* current_change_; | 256 ScopedChange* current_change_; |
| 258 | 257 |
| 259 bool in_destructor_; | 258 bool in_destructor_; |
| 260 | 259 |
| 261 DISALLOW_COPY_AND_ASSIGN(ConnectionManager); | 260 DISALLOW_COPY_AND_ASSIGN(ConnectionManager); |
| 262 }; | 261 }; |
| 263 | 262 |
| 264 } // namespace view_manager | 263 } // namespace mus |
| 265 | 264 |
| 266 #endif // COMPONENTS_MUS_CONNECTION_MANAGER_H_ | 265 #endif // COMPONENTS_MUS_CONNECTION_MANAGER_H_ |
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