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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #ifndef COMPONENTS_MUS_WS_WINDOW_TREE_H_ | |
| 6 #define COMPONENTS_MUS_WS_WINDOW_TREE_H_ | |
| 7 | |
| 8 #include <stdint.h> | |
| 9 | |
| 10 #include <map> | |
| 11 #include <memory> | |
| 12 #include <queue> | |
| 13 #include <set> | |
| 14 #include <string> | |
| 15 #include <vector> | |
| 16 | |
| 17 #include "base/callback.h" | |
| 18 #include "base/containers/hash_tables.h" | |
| 19 #include "base/macros.h" | |
| 20 #include "cc/ipc/surface_id.mojom.h" | |
| 21 #include "components/mus/public/interfaces/window_tree.mojom.h" | |
| 22 #include "components/mus/ws/access_policy_delegate.h" | |
| 23 #include "components/mus/ws/ids.h" | |
| 24 #include "components/mus/ws/user_id.h" | |
| 25 #include "components/mus/ws/window_tree_binding.h" | |
| 26 #include "mojo/public/cpp/bindings/associated_binding.h" | |
| 27 | |
| 28 namespace gfx { | |
| 29 class Insets; | |
| 30 class Rect; | |
| 31 } | |
| 32 | |
| 33 namespace ui { | |
| 34 class Event; | |
| 35 } | |
| 36 | |
| 37 namespace mus { | |
| 38 namespace ws { | |
| 39 | |
| 40 class AccessPolicy; | |
| 41 class DisplayManager; | |
| 42 class Display; | |
| 43 class EventMatcher; | |
| 44 class ServerWindow; | |
| 45 class TargetedEvent; | |
| 46 class WindowManagerDisplayRoot; | |
| 47 class WindowManagerState; | |
| 48 class WindowServer; | |
| 49 class WindowTreeTest; | |
| 50 | |
| 51 namespace test { | |
| 52 class WindowTreeTestApi; | |
| 53 } | |
| 54 | |
| 55 // WindowTree represents a view onto portions of the window tree. The parts of | |
| 56 // the tree exposed to the client start at the root windows. A WindowTree may | |
| 57 // have any number of roots (including none). A WindowTree may not have | |
| 58 // visibility of all the descendants of its roots. | |
| 59 // | |
| 60 // WindowTree notifies its client as changes happen to windows exposed to the | |
| 61 // the client. | |
| 62 // | |
| 63 // See ids.h for details on how WindowTree handles identity of windows. | |
| 64 class WindowTree : public mojom::WindowTree, | |
| 65 public AccessPolicyDelegate, | |
| 66 public mojom::WindowManagerClient { | |
| 67 public: | |
| 68 WindowTree(WindowServer* window_server, | |
| 69 const UserId& user_id, | |
| 70 ServerWindow* root, | |
| 71 std::unique_ptr<AccessPolicy> access_policy); | |
| 72 ~WindowTree() override; | |
| 73 | |
| 74 void Init(std::unique_ptr<WindowTreeBinding> binding, | |
| 75 mojom::WindowTreePtr tree); | |
| 76 | |
| 77 // Called if this WindowTree hosts a WindowManager. | |
| 78 void ConfigureWindowManager(); | |
| 79 | |
| 80 ClientSpecificId id() const { return id_; } | |
| 81 | |
| 82 void set_embedder_intercepts_events() { embedder_intercepts_events_ = true; } | |
| 83 bool embedder_intercepts_events() const { | |
| 84 return embedder_intercepts_events_; | |
| 85 } | |
| 86 | |
| 87 const UserId& user_id() const { return user_id_; } | |
| 88 | |
| 89 mojom::WindowTreeClient* client() { return binding_->client(); } | |
| 90 | |
| 91 // Returns the Window with the specified id. | |
| 92 ServerWindow* GetWindow(const WindowId& id) { | |
| 93 return const_cast<ServerWindow*>( | |
| 94 const_cast<const WindowTree*>(this)->GetWindow(id)); | |
| 95 } | |
| 96 const ServerWindow* GetWindow(const WindowId& id) const; | |
| 97 | |
| 98 // Returns the Window with the specified client id *only* if known to this | |
| 99 // client, returns null if not known. | |
| 100 ServerWindow* GetWindowByClientId(const ClientWindowId& id) { | |
| 101 return const_cast<ServerWindow*>( | |
| 102 const_cast<const WindowTree*>(this)->GetWindowByClientId(id)); | |
| 103 } | |
| 104 const ServerWindow* GetWindowByClientId(const ClientWindowId& id) const; | |
| 105 | |
| 106 bool IsWindowKnown(const ServerWindow* window) const { | |
| 107 return IsWindowKnown(window, nullptr); | |
| 108 } | |
| 109 // Returns whether |window| is known to this tree. If |window| is known and | |
| 110 // |client_window_id| is non-null |client_window_id| is set to the | |
| 111 // ClientWindowId of the window. | |
| 112 bool IsWindowKnown(const ServerWindow* window, | |
| 113 ClientWindowId* client_window_id) const; | |
| 114 | |
| 115 // Returns true if |window| is one of this trees roots. | |
| 116 bool HasRoot(const ServerWindow* window) const; | |
| 117 | |
| 118 std::set<const ServerWindow*> roots() { return roots_; } | |
| 119 | |
| 120 void set_name(const std::string& name) { name_ = name; } | |
| 121 const std::string& name() const { return name_; } | |
| 122 | |
| 123 bool janky() const { return janky_; } | |
| 124 | |
| 125 const Display* GetDisplay(const ServerWindow* window) const; | |
| 126 Display* GetDisplay(const ServerWindow* window) { | |
| 127 return const_cast<Display*>( | |
| 128 const_cast<const WindowTree*>(this)->GetDisplay(window)); | |
| 129 } | |
| 130 | |
| 131 const WindowManagerDisplayRoot* GetWindowManagerDisplayRoot( | |
| 132 const ServerWindow* window) const; | |
| 133 WindowManagerDisplayRoot* GetWindowManagerDisplayRoot( | |
| 134 const ServerWindow* window) { | |
| 135 return const_cast<WindowManagerDisplayRoot*>( | |
| 136 const_cast<const WindowTree*>(this)->GetWindowManagerDisplayRoot( | |
| 137 window)); | |
| 138 } | |
| 139 WindowManagerState* window_manager_state() { | |
| 140 return window_manager_state_.get(); | |
| 141 } | |
| 142 | |
| 143 DisplayManager* display_manager(); | |
| 144 const DisplayManager* display_manager() const; | |
| 145 | |
| 146 WindowServer* window_server() { return window_server_; } | |
| 147 const WindowServer* window_server() const { return window_server_; } | |
| 148 | |
| 149 // Adds a new root to this tree. This is only valid for window managers. | |
| 150 void AddRootForWindowManager(const ServerWindow* root); | |
| 151 | |
| 152 // Invoked when a tree is about to be destroyed. | |
| 153 void OnWindowDestroyingTreeImpl(WindowTree* tree); | |
| 154 | |
| 155 // These functions are synchronous variants of those defined in the mojom. The | |
| 156 // WindowTree implementations all call into these. See the mojom for details. | |
| 157 bool SetCapture(const ClientWindowId& client_window_id); | |
| 158 bool NewWindow(const ClientWindowId& client_window_id, | |
| 159 const std::map<std::string, std::vector<uint8_t>>& properties); | |
| 160 bool AddWindow(const ClientWindowId& parent_id, | |
| 161 const ClientWindowId& child_id); | |
| 162 bool AddTransientWindow(const ClientWindowId& window_id, | |
| 163 const ClientWindowId& transient_window_id); | |
| 164 bool SetModal(const ClientWindowId& window_id); | |
| 165 std::vector<const ServerWindow*> GetWindowTree( | |
| 166 const ClientWindowId& window_id) const; | |
| 167 bool SetWindowVisibility(const ClientWindowId& window_id, bool visible); | |
| 168 bool SetWindowOpacity(const ClientWindowId& window_id, float opacity); | |
| 169 bool SetFocus(const ClientWindowId& window_id); | |
| 170 bool Embed(const ClientWindowId& window_id, | |
| 171 mojom::WindowTreeClientPtr client, | |
| 172 uint32_t flags); | |
| 173 void DispatchInputEvent(ServerWindow* target, const ui::Event& event); | |
| 174 | |
| 175 bool IsWaitingForNewTopLevelWindow(uint32_t wm_change_id); | |
| 176 void OnWindowManagerCreatedTopLevelWindow(uint32_t wm_change_id, | |
| 177 uint32_t client_change_id, | |
| 178 const ServerWindow* window); | |
| 179 void AddActivationParent(const ClientWindowId& window_id); | |
| 180 | |
| 181 // Calls through to the client. | |
| 182 void OnChangeCompleted(uint32_t change_id, bool success); | |
| 183 void OnAccelerator(uint32_t accelerator_id, const ui::Event& event); | |
| 184 | |
| 185 // Called when |tree|'s jankiness changes (see janky_ for definition). | |
| 186 // Notifies the window manager client so it can update UI for the affected | |
| 187 // window(s). | |
| 188 void ClientJankinessChanged(WindowTree* tree); | |
| 189 | |
| 190 // The following methods are invoked after the corresponding change has been | |
| 191 // processed. They do the appropriate bookkeeping and update the client as | |
| 192 // necessary. | |
| 193 void ProcessWindowBoundsChanged(const ServerWindow* window, | |
| 194 const gfx::Rect& old_bounds, | |
| 195 const gfx::Rect& new_bounds, | |
| 196 bool originated_change); | |
| 197 void ProcessClientAreaChanged( | |
| 198 const ServerWindow* window, | |
| 199 const gfx::Insets& new_client_area, | |
| 200 const std::vector<gfx::Rect>& new_additional_client_areas, | |
| 201 bool originated_change); | |
| 202 void ProcessWillChangeWindowHierarchy(const ServerWindow* window, | |
| 203 const ServerWindow* new_parent, | |
| 204 const ServerWindow* old_parent, | |
| 205 bool originated_change); | |
| 206 void ProcessWindowPropertyChanged(const ServerWindow* window, | |
| 207 const std::string& name, | |
| 208 const std::vector<uint8_t>* new_data, | |
| 209 bool originated_change); | |
| 210 void ProcessWindowHierarchyChanged(const ServerWindow* window, | |
| 211 const ServerWindow* new_parent, | |
| 212 const ServerWindow* old_parent, | |
| 213 bool originated_change); | |
| 214 void ProcessWindowReorder(const ServerWindow* window, | |
| 215 const ServerWindow* relative_window, | |
| 216 mojom::OrderDirection direction, | |
| 217 bool originated_change); | |
| 218 void ProcessWindowDeleted(const ServerWindow* window, bool originated_change); | |
| 219 void ProcessWillChangeWindowVisibility(const ServerWindow* window, | |
| 220 bool originated_change); | |
| 221 void ProcessWindowOpacityChanged(const ServerWindow* window, | |
| 222 float old_opacity, | |
| 223 float new_opacity, | |
| 224 bool originated_change); | |
| 225 void ProcessCursorChanged(const ServerWindow* window, | |
| 226 int32_t cursor_id, | |
| 227 bool originated_change); | |
| 228 void ProcessFocusChanged(const ServerWindow* old_focused_window, | |
| 229 const ServerWindow* new_focused_window); | |
| 230 void ProcessLostCapture(const ServerWindow* old_lost_capture, | |
| 231 bool originated_change); | |
| 232 void ProcessTransientWindowAdded(const ServerWindow* window, | |
| 233 const ServerWindow* transient_window, | |
| 234 bool originated_change); | |
| 235 void ProcessTransientWindowRemoved(const ServerWindow* window, | |
| 236 const ServerWindow* transient_window, | |
| 237 bool originated_change); | |
| 238 | |
| 239 // Sends this event to the client if it matches an active event observer. | |
| 240 void SendToEventObserver(const ui::Event& event); | |
| 241 | |
| 242 private: | |
| 243 friend class test::WindowTreeTestApi; | |
| 244 | |
| 245 struct WaitingForTopLevelWindowInfo { | |
| 246 WaitingForTopLevelWindowInfo(const ClientWindowId& client_window_id, | |
| 247 uint32_t wm_change_id) | |
| 248 : client_window_id(client_window_id), wm_change_id(wm_change_id) {} | |
| 249 ~WaitingForTopLevelWindowInfo() {} | |
| 250 | |
| 251 // Id supplied from the client. | |
| 252 ClientWindowId client_window_id; | |
| 253 | |
| 254 // Change id we created for the window manager. | |
| 255 uint32_t wm_change_id; | |
| 256 }; | |
| 257 | |
| 258 enum class RemoveRootReason { | |
| 259 // The window is being removed. | |
| 260 DELETED, | |
| 261 | |
| 262 // Another client is being embedded in the window. | |
| 263 EMBED, | |
| 264 }; | |
| 265 | |
| 266 bool ShouldRouteToWindowManager(const ServerWindow* window) const; | |
| 267 | |
| 268 ClientWindowId ClientWindowIdForWindow(const ServerWindow* window) const; | |
| 269 | |
| 270 // Returns true if |id| is a valid WindowId for a new window. | |
| 271 bool IsValidIdForNewWindow(const ClientWindowId& id) const; | |
| 272 | |
| 273 WindowId GenerateNewWindowId(); | |
| 274 | |
| 275 // These functions return true if the corresponding mojom function is allowed | |
| 276 // for this tree. | |
| 277 bool CanReorderWindow(const ServerWindow* window, | |
| 278 const ServerWindow* relative_window, | |
| 279 mojom::OrderDirection direction) const; | |
| 280 | |
| 281 // Deletes a window owned by this tree. Returns true on success. |source| is | |
| 282 // the tree that originated the change. | |
| 283 bool DeleteWindowImpl(WindowTree* source, ServerWindow* window); | |
| 284 | |
| 285 // If |window| is known does nothing. Otherwise adds |window| to |windows|, | |
| 286 // marks |window| as known and recurses. | |
| 287 void GetUnknownWindowsFrom(const ServerWindow* window, | |
| 288 std::vector<const ServerWindow*>* windows); | |
| 289 | |
| 290 // Removes |window| from the appropriate maps. If |window| is known to this | |
| 291 // client true is returned. | |
| 292 bool RemoveFromMaps(const ServerWindow* window); | |
| 293 | |
| 294 // Removes |window| and all its descendants from the necessary maps. This | |
| 295 // does not recurse through windows that were created by this tree. All | |
| 296 // windows owned by this tree are added to |local_windows|. | |
| 297 void RemoveFromKnown(const ServerWindow* window, | |
| 298 std::vector<ServerWindow*>* local_windows); | |
| 299 | |
| 300 // Removes a root from set of roots of this tree. This does not remove | |
| 301 // the window from the window tree, only from the set of roots. | |
| 302 void RemoveRoot(const ServerWindow* window, RemoveRootReason reason); | |
| 303 | |
| 304 // Converts Window(s) to WindowData(s) for transport. This assumes all the | |
| 305 // windows are valid for the client. The parent of windows the client is not | |
| 306 // allowed to see are set to NULL (in the returned WindowData(s)). | |
| 307 mojo::Array<mojom::WindowDataPtr> WindowsToWindowDatas( | |
| 308 const std::vector<const ServerWindow*>& windows); | |
| 309 mojom::WindowDataPtr WindowToWindowData(const ServerWindow* window); | |
| 310 | |
| 311 // Implementation of GetWindowTree(). Adds |window| to |windows| and recurses | |
| 312 // if CanDescendIntoWindowForWindowTree() returns true. | |
| 313 void GetWindowTreeImpl(const ServerWindow* window, | |
| 314 std::vector<const ServerWindow*>* windows) const; | |
| 315 | |
| 316 // Notify the client if the drawn state of any of the roots changes. | |
| 317 // |window| is the window that is changing to the drawn state | |
| 318 // |new_drawn_value|. | |
| 319 void NotifyDrawnStateChanged(const ServerWindow* window, | |
| 320 bool new_drawn_value); | |
| 321 | |
| 322 // Deletes all Windows we own. | |
| 323 void DestroyWindows(); | |
| 324 | |
| 325 bool CanEmbed(const ClientWindowId& window_id) const; | |
| 326 void PrepareForEmbed(ServerWindow* window); | |
| 327 void RemoveChildrenAsPartOfEmbed(ServerWindow* window); | |
| 328 | |
| 329 void DispatchInputEventImpl(ServerWindow* target, const ui::Event& event); | |
| 330 | |
| 331 // Calls OnChangeCompleted() on the client. | |
| 332 void NotifyChangeCompleted(uint32_t change_id, | |
| 333 mojom::WindowManagerErrorCode error_code); | |
| 334 | |
| 335 // WindowTree: | |
| 336 void NewWindow(uint32_t change_id, | |
| 337 Id transport_window_id, | |
| 338 mojo::Map<mojo::String, mojo::Array<uint8_t>> | |
| 339 transport_properties) override; | |
| 340 void NewTopLevelWindow(uint32_t change_id, | |
| 341 Id transport_window_id, | |
| 342 mojo::Map<mojo::String, mojo::Array<uint8_t>> | |
| 343 transport_properties) override; | |
| 344 void DeleteWindow(uint32_t change_id, Id transport_window_id) override; | |
| 345 void AddWindow(uint32_t change_id, Id parent_id, Id child_id) override; | |
| 346 void RemoveWindowFromParent(uint32_t change_id, Id window_id) override; | |
| 347 void AddTransientWindow(uint32_t change_id, | |
| 348 Id window, | |
| 349 Id transient_window) override; | |
| 350 void RemoveTransientWindowFromParent(uint32_t change_id, | |
| 351 Id transient_window_id) override; | |
| 352 void SetModal(uint32_t change_id, Id window_id) override; | |
| 353 void ReorderWindow(uint32_t change_Id, | |
| 354 Id window_id, | |
| 355 Id relative_window_id, | |
| 356 mojom::OrderDirection direction) override; | |
| 357 void GetWindowTree( | |
| 358 Id window_id, | |
| 359 const base::Callback<void(mojo::Array<mojom::WindowDataPtr>)>& callback) | |
| 360 override; | |
| 361 void SetCapture(uint32_t change_id, Id window_id) override; | |
| 362 void ReleaseCapture(uint32_t change_id, Id window_id) override; | |
| 363 void SetEventObserver(mojom::EventMatcherPtr matcher, | |
| 364 uint32_t observer_id) override; | |
| 365 void SetWindowBounds(uint32_t change_id, | |
| 366 Id window_id, | |
| 367 const gfx::Rect& bounds) override; | |
| 368 void SetWindowVisibility(uint32_t change_id, | |
| 369 Id window_id, | |
| 370 bool visible) override; | |
| 371 void SetWindowProperty(uint32_t change_id, | |
| 372 Id transport_window_id, | |
| 373 const mojo::String& name, | |
| 374 mojo::Array<uint8_t> value) override; | |
| 375 void SetWindowOpacity(uint32_t change_id, | |
| 376 Id window_id, | |
| 377 float opacity) override; | |
| 378 void AttachSurface(Id transport_window_id, | |
| 379 mojom::SurfaceType type, | |
| 380 mojo::InterfaceRequest<mojom::Surface> surface, | |
| 381 mojom::SurfaceClientPtr client) override; | |
| 382 void Embed(Id transport_window_id, | |
| 383 mojom::WindowTreeClientPtr client, | |
| 384 uint32_t flags, | |
| 385 const EmbedCallback& callback) override; | |
| 386 void SetFocus(uint32_t change_id, Id transport_window_id) override; | |
| 387 void SetCanFocus(Id transport_window_id, bool can_focus) override; | |
| 388 void SetPredefinedCursor(uint32_t change_id, | |
| 389 Id transport_window_id, | |
| 390 mus::mojom::Cursor cursor_id) override; | |
| 391 void SetWindowTextInputState(Id transport_window_id, | |
| 392 mojo::TextInputStatePtr state) override; | |
| 393 void SetImeVisibility(Id transport_window_id, | |
| 394 bool visible, | |
| 395 mojo::TextInputStatePtr state) override; | |
| 396 void OnWindowInputEventAck(uint32_t event_id, | |
| 397 mojom::EventResult result) override; | |
| 398 void SetClientArea( | |
| 399 Id transport_window_id, | |
| 400 const gfx::Insets& insets, | |
| 401 mojo::Array<gfx::Rect> transport_additional_client_areas) override; | |
| 402 void SetHitTestMask(Id transport_window_id, const gfx::Rect& mask) override; | |
| 403 void GetWindowManagerClient( | |
| 404 mojo::AssociatedInterfaceRequest<mojom::WindowManagerClient> internal) | |
| 405 override; | |
| 406 void GetCursorLocationMemory(const GetCursorLocationMemoryCallback& callback) | |
| 407 override; | |
| 408 | |
| 409 // mojom::WindowManagerClient: | |
| 410 void AddAccelerator(uint32_t id, | |
| 411 mojom::EventMatcherPtr event_matcher, | |
| 412 const AddAcceleratorCallback& callback) override; | |
| 413 void RemoveAccelerator(uint32_t id) override; | |
| 414 void AddActivationParent(Id transport_window_id) override; | |
| 415 void RemoveActivationParent(Id transport_window_id) override; | |
| 416 void ActivateNextWindow() override; | |
| 417 void SetUnderlaySurfaceOffsetAndExtendedHitArea( | |
| 418 Id window_id, | |
| 419 int32_t x_offset, | |
| 420 int32_t y_offset, | |
| 421 const gfx::Insets& hit_area) override; | |
| 422 void WmResponse(uint32_t change_id, bool response) override; | |
| 423 void WmRequestClose(Id transport_window_id) override; | |
| 424 void WmSetFrameDecorationValues( | |
| 425 mojom::FrameDecorationValuesPtr values) override; | |
| 426 void WmSetNonClientCursor(uint32_t window_id, | |
| 427 mojom::Cursor cursor_id) override; | |
| 428 void OnWmCreatedTopLevelWindow(uint32_t change_id, | |
| 429 Id transport_window_id) override; | |
| 430 | |
| 431 // AccessPolicyDelegate: | |
| 432 bool HasRootForAccessPolicy(const ServerWindow* window) const override; | |
| 433 bool IsWindowKnownForAccessPolicy(const ServerWindow* window) const override; | |
| 434 bool IsWindowRootOfAnotherTreeForAccessPolicy( | |
| 435 const ServerWindow* window) const override; | |
| 436 | |
| 437 WindowServer* window_server_; | |
| 438 | |
| 439 UserId user_id_; | |
| 440 | |
| 441 // Id of this tree as assigned by WindowServer. | |
| 442 const ClientSpecificId id_; | |
| 443 std::string name_; | |
| 444 | |
| 445 ClientSpecificId next_window_id_; | |
| 446 | |
| 447 std::unique_ptr<WindowTreeBinding> binding_; | |
| 448 | |
| 449 std::unique_ptr<mus::ws::AccessPolicy> access_policy_; | |
| 450 | |
| 451 // The roots, or embed points, of this tree. A WindowTree may have any | |
| 452 // number of roots, including 0. | |
| 453 std::set<const ServerWindow*> roots_; | |
| 454 | |
| 455 // The windows created by this tree. This tree owns these objects. | |
| 456 base::hash_map<WindowId, ServerWindow*> created_window_map_; | |
| 457 | |
| 458 // The client is allowed to assign ids. These two maps providing the mapping | |
| 459 // from the ids native to the server (WindowId) to those understood by the | |
| 460 // client (ClientWindowId). | |
| 461 base::hash_map<ClientWindowId, WindowId> client_id_to_window_id_map_; | |
| 462 base::hash_map<WindowId, ClientWindowId> window_id_to_client_id_map_; | |
| 463 | |
| 464 uint32_t event_ack_id_; | |
| 465 | |
| 466 // A client is considered janky if it hasn't ACK'ed input events within a | |
| 467 // reasonable timeframe. | |
| 468 bool janky_ = false; | |
| 469 | |
| 470 // Set when the client is using SetEventObserver() to observe events, | |
| 471 // otherwise null. | |
| 472 std::unique_ptr<EventMatcher> event_observer_matcher_; | |
| 473 | |
| 474 // The ID supplied by the client for the current event observer. | |
| 475 uint32_t event_observer_id_ = 0; | |
| 476 | |
| 477 // WindowManager the current event came from. | |
| 478 WindowManagerState* event_source_wms_ = nullptr; | |
| 479 | |
| 480 std::queue<std::unique_ptr<TargetedEvent>> event_queue_; | |
| 481 | |
| 482 std::unique_ptr<mojo::AssociatedBinding<mojom::WindowManagerClient>> | |
| 483 window_manager_internal_client_binding_; | |
| 484 mojom::WindowManager* window_manager_internal_; | |
| 485 std::unique_ptr<WindowManagerState> window_manager_state_; | |
| 486 | |
| 487 std::unique_ptr<WaitingForTopLevelWindowInfo> | |
| 488 waiting_for_top_level_window_info_; | |
| 489 bool embedder_intercepts_events_ = false; | |
| 490 | |
| 491 DISALLOW_COPY_AND_ASSIGN(WindowTree); | |
| 492 }; | |
| 493 | |
| 494 } // namespace ws | |
| 495 } // namespace mus | |
| 496 | |
| 497 #endif // COMPONENTS_MUS_WS_WINDOW_TREE_H_ | |
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Chromium Code Reviews
Issue 2119963002:
Move mus to //services/ui (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master