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Issue 2736573002: chromeos: Move files in //ash/common to //ash, part 2 (Closed)
Patch Set: Created 3 years, 9 months ago
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1 // Copyright 2016 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 #include "ash/common/wm_shell.h"
6
7 #include <utility>
8
9 #include "ash/common/accelerators/accelerator_controller.h"
10 #include "ash/common/accelerators/ash_focus_manager_factory.h"
11 #include "ash/common/accessibility_delegate.h"
12 #include "ash/common/cast_config_controller.h"
13 #include "ash/common/devtools/ash_devtools_css_agent.h"
14 #include "ash/common/devtools/ash_devtools_dom_agent.h"
15 #include "ash/common/focus_cycler.h"
16 #include "ash/common/keyboard/keyboard_ui.h"
17 #include "ash/common/media_controller.h"
18 #include "ash/common/new_window_controller.h"
19 #include "ash/common/palette_delegate.h"
20 #include "ash/common/session/session_controller.h"
21 #include "ash/common/session/session_state_delegate.h"
22 #include "ash/common/shelf/app_list_shelf_item_delegate.h"
23 #include "ash/common/shelf/shelf_controller.h"
24 #include "ash/common/shelf/shelf_delegate.h"
25 #include "ash/common/shelf/shelf_model.h"
26 #include "ash/common/shelf/shelf_window_watcher.h"
27 #include "ash/common/shell_delegate.h"
28 #include "ash/common/shutdown_controller.h"
29 #include "ash/common/wallpaper/wallpaper_controller.h"
30 #include "ash/common/wallpaper/wallpaper_delegate.h"
31 #include "ash/common/wm/immersive_context_ash.h"
32 #include "ash/common/wm/maximize_mode/maximize_mode_controller.h"
33 #include "ash/common/wm/mru_window_tracker.h"
34 #include "ash/common/wm/overview/window_selector_controller.h"
35 #include "ash/common/wm/root_window_finder.h"
36 #include "ash/common/wm/system_modal_container_layout_manager.h"
37 #include "ash/common/wm/window_cycle_controller.h"
38 #include "ash/common/wm_activation_observer.h"
39 #include "ash/common/wm_window.h"
40 #include "ash/public/cpp/shell_window_ids.h"
41 #include "ash/root_window_controller.h"
42 #include "ash/shell.h"
43 #include "ash/system/brightness/brightness_controller_chromeos.h"
44 #include "ash/system/brightness_control_delegate.h"
45 #include "ash/system/keyboard_brightness_control_delegate.h"
46 #include "ash/system/keyboard_brightness_controller.h"
47 #include "ash/system/locale/locale_notification_controller.h"
48 #include "ash/system/network/vpn_list.h"
49 #include "ash/system/session/logout_confirmation_controller.h"
50 #include "ash/system/toast/toast_manager.h"
51 #include "ash/system/tray/system_tray_controller.h"
52 #include "ash/system/tray/system_tray_delegate.h"
53 #include "ash/system/tray/system_tray_notifier.h"
54 #include "base/bind.h"
55 #include "base/logging.h"
56 #include "base/memory/ptr_util.h"
57 #include "base/threading/sequenced_worker_pool.h"
58 #include "services/preferences/public/cpp/pref_client_store.h"
59 #include "services/preferences/public/interfaces/preferences.mojom.h"
60 #include "services/service_manager/public/cpp/connector.h"
61 #include "ui/app_list/presenter/app_list.h"
62 #include "ui/display/display.h"
63 #include "ui/views/focus/focus_manager_factory.h"
64 #include "ui/wm/public/activation_client.h"
65
66 namespace ash {
67
68 // static
69 WmShell* WmShell::instance_ = nullptr;
70
71 WmShell::~WmShell() {
72 session_controller_->RemoveSessionStateObserver(this);
73 }
74
75 // static
76 void WmShell::Set(WmShell* instance) {
77 instance_ = instance;
78 }
79
80 // static
81 WmShell* WmShell::Get() {
82 return instance_;
83 }
84
85 void WmShell::Initialize(const scoped_refptr<base::SequencedWorkerPool>& pool) {
86 blocking_pool_ = pool;
87
88 // Some delegates access WmShell during their construction. Create them here
89 // instead of the WmShell constructor.
90 accessibility_delegate_.reset(delegate_->CreateAccessibilityDelegate());
91 palette_delegate_ = delegate_->CreatePaletteDelegate();
92 toast_manager_.reset(new ToastManager);
93
94 // Create the app list item in the shelf data model.
95 AppListShelfItemDelegate::CreateAppListItemAndDelegate(shelf_model());
96
97 // Install the custom factory early on so that views::FocusManagers for Tray,
98 // Shelf, and WallPaper could be created by the factory.
99 views::FocusManagerFactory::Install(new AshFocusManagerFactory);
100
101 wallpaper_controller_.reset(new WallpaperController(blocking_pool_));
102
103 // Start devtools server
104 devtools_server_ = ui::devtools::UiDevToolsServer::Create(nullptr);
105 if (devtools_server_) {
106 auto dom_backend = base::MakeUnique<devtools::AshDevToolsDOMAgent>(this);
107 auto css_backend =
108 base::MakeUnique<devtools::AshDevToolsCSSAgent>(dom_backend.get());
109 auto devtools_client = base::MakeUnique<ui::devtools::UiDevToolsClient>(
110 "Ash", devtools_server_.get());
111 devtools_client->AddAgent(std::move(dom_backend));
112 devtools_client->AddAgent(std::move(css_backend));
113 devtools_server_->AttachClient(std::move(devtools_client));
114 }
115 }
116
117 void WmShell::Shutdown() {
118 if (added_activation_observer_)
119 Shell::GetInstance()->activation_client()->RemoveObserver(this);
120
121 // These members access WmShell in their destructors.
122 wallpaper_controller_.reset();
123 accessibility_delegate_.reset();
124
125 // ShelfWindowWatcher has window observers and a pointer to the shelf model.
126 shelf_window_watcher_.reset();
127 // ShelfItemDelegate subclasses it owns have complex cleanup to run (e.g. ARC
128 // shelf items in Chrome) so explicitly shutdown early.
129 shelf_model()->DestroyItemDelegates();
130 // Must be destroyed before FocusClient.
131 shelf_delegate_.reset();
132
133 // Balances the Install() in Initialize().
134 views::FocusManagerFactory::Install(nullptr);
135
136 // Removes itself as an observer of |pref_store_|.
137 shelf_controller_.reset();
138 }
139
140 ShelfModel* WmShell::shelf_model() {
141 return shelf_controller_->model();
142 }
143
144 void WmShell::ShowContextMenu(const gfx::Point& location_in_screen,
145 ui::MenuSourceType source_type) {
146 // Bail if there is no active user session or if the screen is locked.
147 if (GetSessionStateDelegate()->NumberOfLoggedInUsers() < 1 ||
148 GetSessionStateDelegate()->IsScreenLocked()) {
149 return;
150 }
151
152 WmWindow* root = wm::GetRootWindowAt(location_in_screen);
153 root->GetRootWindowController()->ShowContextMenu(location_in_screen,
154 source_type);
155 }
156
157 void WmShell::CreateShelfView() {
158 // Must occur after SessionStateDelegate creation and user login.
159 DCHECK(GetSessionStateDelegate());
160 DCHECK_GT(GetSessionStateDelegate()->NumberOfLoggedInUsers(), 0);
161 CreateShelfDelegate();
162
163 for (WmWindow* root_window : GetAllRootWindows())
164 root_window->GetRootWindowController()->CreateShelfView();
165 }
166
167 void WmShell::CreateShelfDelegate() {
168 // May be called multiple times as shelves are created and destroyed.
169 if (shelf_delegate_)
170 return;
171 // Must occur after SessionStateDelegate creation and user login because
172 // Chrome's implementation of ShelfDelegate assumes it can get information
173 // about multi-profile login state.
174 DCHECK(GetSessionStateDelegate());
175 DCHECK_GT(GetSessionStateDelegate()->NumberOfLoggedInUsers(), 0);
176 shelf_delegate_.reset(delegate_->CreateShelfDelegate(shelf_model()));
177 shelf_window_watcher_.reset(new ShelfWindowWatcher(shelf_model()));
178 }
179
180 void WmShell::OnMaximizeModeStarted() {
181 for (auto& observer : shell_observers_)
182 observer.OnMaximizeModeStarted();
183 }
184
185 void WmShell::OnMaximizeModeEnding() {
186 for (auto& observer : shell_observers_)
187 observer.OnMaximizeModeEnding();
188 }
189
190 void WmShell::OnMaximizeModeEnded() {
191 for (auto& observer : shell_observers_)
192 observer.OnMaximizeModeEnded();
193 }
194
195 void WmShell::UpdateAfterLoginStatusChange(LoginStatus status) {
196 for (WmWindow* root_window : GetAllRootWindows()) {
197 root_window->GetRootWindowController()->UpdateAfterLoginStatusChange(
198 status);
199 }
200 }
201
202 void WmShell::NotifyFullscreenStateChanged(bool is_fullscreen,
203 WmWindow* root_window) {
204 for (auto& observer : shell_observers_)
205 observer.OnFullscreenStateChanged(is_fullscreen, root_window);
206 }
207
208 void WmShell::NotifyPinnedStateChanged(WmWindow* pinned_window) {
209 for (auto& observer : shell_observers_)
210 observer.OnPinnedStateChanged(pinned_window);
211 }
212
213 void WmShell::NotifyVirtualKeyboardActivated(bool activated) {
214 for (auto& observer : shell_observers_)
215 observer.OnVirtualKeyboardStateChanged(activated);
216 }
217
218 void WmShell::NotifyShelfCreatedForRootWindow(WmWindow* root_window) {
219 for (auto& observer : shell_observers_)
220 observer.OnShelfCreatedForRootWindow(root_window);
221 }
222
223 void WmShell::NotifyShelfAlignmentChanged(WmWindow* root_window) {
224 for (auto& observer : shell_observers_)
225 observer.OnShelfAlignmentChanged(root_window);
226 }
227
228 void WmShell::NotifyShelfAutoHideBehaviorChanged(WmWindow* root_window) {
229 for (auto& observer : shell_observers_)
230 observer.OnShelfAutoHideBehaviorChanged(root_window);
231 }
232
233 void WmShell::AddActivationObserver(WmActivationObserver* observer) {
234 if (!added_activation_observer_) {
235 added_activation_observer_ = true;
236 Shell::GetInstance()->activation_client()->AddObserver(this);
237 }
238 activation_observers_.AddObserver(observer);
239 }
240
241 void WmShell::RemoveActivationObserver(WmActivationObserver* observer) {
242 activation_observers_.RemoveObserver(observer);
243 }
244
245 void WmShell::AddShellObserver(ShellObserver* observer) {
246 shell_observers_.AddObserver(observer);
247 }
248
249 void WmShell::RemoveShellObserver(ShellObserver* observer) {
250 shell_observers_.RemoveObserver(observer);
251 }
252
253 void WmShell::OnLockStateEvent(LockStateObserver::EventType event) {
254 for (auto& observer : lock_state_observers_)
255 observer.OnLockStateEvent(event);
256 }
257
258 void WmShell::AddLockStateObserver(LockStateObserver* observer) {
259 lock_state_observers_.AddObserver(observer);
260 }
261
262 void WmShell::RemoveLockStateObserver(LockStateObserver* observer) {
263 lock_state_observers_.RemoveObserver(observer);
264 }
265
266 void WmShell::SetShelfDelegateForTesting(
267 std::unique_ptr<ShelfDelegate> test_delegate) {
268 shelf_delegate_ = std::move(test_delegate);
269 }
270
271 void WmShell::SetPaletteDelegateForTesting(
272 std::unique_ptr<PaletteDelegate> palette_delegate) {
273 palette_delegate_ = std::move(palette_delegate);
274 }
275
276 WmShell::WmShell(std::unique_ptr<ShellDelegate> shell_delegate)
277 : delegate_(std::move(shell_delegate)),
278 app_list_(base::MakeUnique<app_list::AppList>()),
279 brightness_control_delegate_(
280 base::MakeUnique<system::BrightnessControllerChromeos>()),
281 cast_config_(base::MakeUnique<CastConfigController>()),
282 focus_cycler_(base::MakeUnique<FocusCycler>()),
283 immersive_context_(base::MakeUnique<ImmersiveContextAsh>()),
284 keyboard_brightness_control_delegate_(
285 base::MakeUnique<KeyboardBrightnessController>()),
286 locale_notification_controller_(
287 base::MakeUnique<LocaleNotificationController>()),
288 media_controller_(base::MakeUnique<MediaController>()),
289 new_window_controller_(base::MakeUnique<NewWindowController>()),
290 session_controller_(base::MakeUnique<SessionController>()),
291 shelf_controller_(base::MakeUnique<ShelfController>()),
292 shutdown_controller_(base::MakeUnique<ShutdownController>()),
293 system_tray_controller_(base::MakeUnique<SystemTrayController>()),
294 system_tray_notifier_(base::MakeUnique<SystemTrayNotifier>()),
295 vpn_list_(base::MakeUnique<VpnList>()),
296 wallpaper_delegate_(delegate_->CreateWallpaperDelegate()),
297 window_cycle_controller_(base::MakeUnique<WindowCycleController>()),
298 window_selector_controller_(
299 base::MakeUnique<WindowSelectorController>()) {
300 session_controller_->AddSessionStateObserver(this);
301
302 prefs::mojom::PreferencesServiceFactoryPtr pref_factory_ptr;
303 // Can be null in tests.
304 if (!delegate_->GetShellConnector())
305 return;
306 delegate_->GetShellConnector()->BindInterface(prefs::mojom::kServiceName,
307 &pref_factory_ptr);
308 pref_store_ = new preferences::PrefClientStore(std::move(pref_factory_ptr));
309 }
310
311 RootWindowController* WmShell::GetPrimaryRootWindowController() {
312 return GetPrimaryRootWindow()->GetRootWindowController();
313 }
314
315 WmWindow* WmShell::GetRootWindowForNewWindows() {
316 if (scoped_root_window_for_new_windows_)
317 return scoped_root_window_for_new_windows_;
318 return root_window_for_new_windows_;
319 }
320
321 bool WmShell::IsSystemModalWindowOpen() {
322 if (simulate_modal_window_open_for_testing_)
323 return true;
324
325 // Traverse all system modal containers, and find its direct child window
326 // with "SystemModal" setting, and visible.
327 for (WmWindow* root : GetAllRootWindows()) {
328 WmWindow* system_modal =
329 root->GetChildByShellWindowId(kShellWindowId_SystemModalContainer);
330 if (!system_modal)
331 continue;
332 for (const WmWindow* child : system_modal->GetChildren()) {
333 if (child->IsSystemModal() && child->GetTargetVisibility()) {
334 return true;
335 }
336 }
337 }
338 return false;
339 }
340
341 void WmShell::CreateModalBackground(WmWindow* window) {
342 for (WmWindow* root_window : GetAllRootWindows()) {
343 root_window->GetRootWindowController()
344 ->GetSystemModalLayoutManager(window)
345 ->CreateModalBackground();
346 }
347 }
348
349 void WmShell::OnModalWindowRemoved(WmWindow* removed) {
350 WmWindow::Windows root_windows = GetAllRootWindows();
351 for (WmWindow* root_window : root_windows) {
352 if (root_window->GetRootWindowController()
353 ->GetSystemModalLayoutManager(removed)
354 ->ActivateNextModalWindow()) {
355 return;
356 }
357 }
358 for (WmWindow* root_window : root_windows) {
359 root_window->GetRootWindowController()
360 ->GetSystemModalLayoutManager(removed)
361 ->DestroyModalBackground();
362 }
363 }
364
365 void WmShell::ShowAppList() {
366 // Show the app list on the default display for new windows.
367 app_list_->Show(GetRootWindowForNewWindows()->GetDisplayNearestWindow().id());
368 }
369
370 void WmShell::DismissAppList() {
371 app_list_->Dismiss();
372 }
373
374 void WmShell::ToggleAppList() {
375 // Toggle the app list on the default display for new windows.
376 app_list_->ToggleAppList(
377 GetRootWindowForNewWindows()->GetDisplayNearestWindow().id());
378 }
379
380 bool WmShell::IsApplistVisible() const {
381 return app_list_->IsVisible();
382 }
383
384 bool WmShell::GetAppListTargetVisibility() const {
385 return app_list_->GetTargetVisibility();
386 }
387
388 void WmShell::SetKeyboardUI(std::unique_ptr<KeyboardUI> keyboard_ui) {
389 keyboard_ui_ = std::move(keyboard_ui);
390 }
391
392 void WmShell::SetSystemTrayDelegate(
393 std::unique_ptr<SystemTrayDelegate> delegate) {
394 DCHECK(delegate);
395 system_tray_delegate_ = std::move(delegate);
396 system_tray_delegate_->Initialize();
397 // Accesses WmShell in its constructor.
398 logout_confirmation_controller_.reset(new LogoutConfirmationController(
399 base::Bind(&SystemTrayController::SignOut,
400 base::Unretained(system_tray_controller_.get()))));
401 }
402
403 void WmShell::DeleteSystemTrayDelegate() {
404 DCHECK(system_tray_delegate_);
405 // Accesses WmShell in its destructor.
406 logout_confirmation_controller_.reset();
407 system_tray_delegate_.reset();
408 }
409
410 void WmShell::DeleteWindowCycleController() {
411 window_cycle_controller_.reset();
412 }
413
414 void WmShell::DeleteWindowSelectorController() {
415 window_selector_controller_.reset();
416 }
417
418 void WmShell::CreateMaximizeModeController() {
419 maximize_mode_controller_.reset(new MaximizeModeController);
420 }
421
422 void WmShell::DeleteMaximizeModeController() {
423 maximize_mode_controller_.reset();
424 }
425
426 void WmShell::CreateMruWindowTracker() {
427 mru_window_tracker_.reset(new MruWindowTracker);
428 }
429
430 void WmShell::DeleteMruWindowTracker() {
431 mru_window_tracker_.reset();
432 }
433
434 void WmShell::DeleteToastManager() {
435 toast_manager_.reset();
436 }
437
438 void WmShell::SetAcceleratorController(
439 std::unique_ptr<AcceleratorController> accelerator_controller) {
440 accelerator_controller_ = std::move(accelerator_controller);
441 }
442
443 void WmShell::SessionStateChanged(session_manager::SessionState state) {
444 // Create the shelf when a session becomes active. It's safe to do this
445 // multiple times (e.g. initial login vs. multiprofile add session).
446 if (state == session_manager::SessionState::ACTIVE)
447 CreateShelfView();
448 }
449
450 void WmShell::OnWindowActivated(
451 aura::client::ActivationChangeObserver::ActivationReason reason,
452 aura::Window* gained_active,
453 aura::Window* lost_active) {
454 WmWindow* gained_active_wm = WmWindow::Get(gained_active);
455 WmWindow* lost_active_wm = WmWindow::Get(lost_active);
456 if (gained_active_wm)
457 set_root_window_for_new_windows(gained_active_wm->GetRootWindow());
458 for (auto& observer : activation_observers_)
459 observer.OnWindowActivated(gained_active_wm, lost_active_wm);
460 }
461
462 void WmShell::OnAttemptToReactivateWindow(aura::Window* request_active,
463 aura::Window* actual_active) {
464 for (auto& observer : activation_observers_) {
465 observer.OnAttemptToReactivateWindow(WmWindow::Get(request_active),
466 WmWindow::Get(actual_active));
467 }
468 }
469
470 } // namespace ash
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