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| 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 | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "ash/accelerators/accelerator_controller.h" | |
| 6 | |
| 7 #include "ash/accelerators/accelerator_commands.h" | |
| 8 #include "ash/accelerators/accelerator_controller_delegate.h" | |
| 9 #include "ash/accelerators/debug_commands.h" | |
| 10 #include "ash/common/accessibility_delegate.h" | |
| 11 #include "ash/common/accessibility_types.h" | |
| 12 #include "ash/common/focus_cycler.h" | |
| 13 #include "ash/common/media_delegate.h" | |
| 14 #include "ash/common/multi_profile_uma.h" | |
| 15 #include "ash/common/session/session_state_delegate.h" | |
| 16 #include "ash/common/shell_delegate.h" | |
| 17 #include "ash/common/system/brightness_control_delegate.h" | |
| 18 #include "ash/common/system/keyboard_brightness_control_delegate.h" | |
| 19 #include "ash/common/system/tray/system_tray_delegate.h" | |
| 20 #include "ash/common/system/tray/system_tray_notifier.h" | |
| 21 #include "ash/common/system/volume_control_delegate.h" | |
| 22 #include "ash/common/wm/mru_window_tracker.h" | |
| 23 #include "ash/common/wm/overview/window_selector_controller.h" | |
| 24 #include "ash/common/wm/window_cycle_controller.h" | |
| 25 #include "ash/common/wm/window_positioning_utils.h" | |
| 26 #include "ash/common/wm/window_state.h" | |
| 27 #include "ash/common/wm/wm_event.h" | |
| 28 #include "ash/common/wm_shell.h" | |
| 29 #include "ash/common/wm_window.h" | |
| 30 #include "ash/ime_control_delegate.h" | |
| 31 #include "base/metrics/histogram_macros.h" | |
| 32 #include "base/metrics/user_metrics.h" | |
| 33 #include "ui/base/accelerators/accelerator.h" | |
| 34 #include "ui/base/accelerators/accelerator_manager.h" | |
| 35 | |
| 36 #if defined(OS_CHROMEOS) | |
| 37 #include "chromeos/dbus/dbus_thread_manager.h" | |
| 38 #include "chromeos/dbus/power_manager_client.h" | |
| 39 #include "ui/base/ime/chromeos/ime_keyboard.h" | |
| 40 #include "ui/base/ime/chromeos/input_method_manager.h" | |
| 41 #endif // defined(OS_CHROMEOS) | |
| 42 | |
| 43 namespace ash { | |
| 44 namespace { | |
| 45 | |
| 46 using base::UserMetricsAction; | |
| 47 | |
| 48 ui::Accelerator CreateAccelerator(ui::KeyboardCode keycode, | |
| 49 int modifiers, | |
| 50 bool trigger_on_press) { | |
| 51 ui::Accelerator accelerator(keycode, modifiers); | |
| 52 accelerator.set_type(trigger_on_press ? ui::ET_KEY_PRESSED | |
| 53 : ui::ET_KEY_RELEASED); | |
| 54 return accelerator; | |
| 55 } | |
| 56 | |
| 57 void RecordUmaHistogram(const char* histogram_name, | |
| 58 DeprecatedAcceleratorUsage sample) { | |
| 59 auto* histogram = base::LinearHistogram::FactoryGet( | |
| 60 histogram_name, 1, DEPRECATED_USAGE_COUNT, DEPRECATED_USAGE_COUNT + 1, | |
| 61 base::HistogramBase::kUmaTargetedHistogramFlag); | |
| 62 histogram->Add(sample); | |
| 63 } | |
| 64 | |
| 65 void HandleCycleBackwardMRU(const ui::Accelerator& accelerator) { | |
| 66 if (accelerator.key_code() == ui::VKEY_TAB) | |
| 67 base::RecordAction(base::UserMetricsAction("Accel_PrevWindow_Tab")); | |
| 68 | |
| 69 WmShell::Get()->window_cycle_controller()->HandleCycleWindow( | |
| 70 WindowCycleController::BACKWARD); | |
| 71 } | |
| 72 | |
| 73 void HandleCycleForwardMRU(const ui::Accelerator& accelerator) { | |
| 74 if (accelerator.key_code() == ui::VKEY_TAB) | |
| 75 base::RecordAction(base::UserMetricsAction("Accel_NextWindow_Tab")); | |
| 76 | |
| 77 WmShell::Get()->window_cycle_controller()->HandleCycleWindow( | |
| 78 WindowCycleController::FORWARD); | |
| 79 } | |
| 80 | |
| 81 void HandleRotatePaneFocus(FocusCycler::Direction direction) { | |
| 82 switch (direction) { | |
| 83 // TODO(stevet): Not sure if this is the same as IDC_FOCUS_NEXT_PANE. | |
| 84 case FocusCycler::FORWARD: { | |
| 85 base::RecordAction(UserMetricsAction("Accel_Focus_Next_Pane")); | |
| 86 break; | |
| 87 } | |
| 88 case FocusCycler::BACKWARD: { | |
| 89 base::RecordAction(UserMetricsAction("Accel_Focus_Previous_Pane")); | |
| 90 break; | |
| 91 } | |
| 92 } | |
| 93 WmShell::Get()->focus_cycler()->RotateFocus(direction); | |
| 94 } | |
| 95 | |
| 96 void HandleMediaNextTrack() { | |
| 97 WmShell::Get()->media_delegate()->HandleMediaNextTrack(); | |
| 98 } | |
| 99 | |
| 100 void HandleMediaPlayPause() { | |
| 101 WmShell::Get()->media_delegate()->HandleMediaPlayPause(); | |
| 102 } | |
| 103 | |
| 104 void HandleMediaPrevTrack() { | |
| 105 WmShell::Get()->media_delegate()->HandleMediaPrevTrack(); | |
| 106 } | |
| 107 | |
| 108 bool CanHandleNextIme(ImeControlDelegate* ime_control_delegate) { | |
| 109 return ime_control_delegate && ime_control_delegate->CanCycleIme(); | |
| 110 } | |
| 111 | |
| 112 // We must avoid showing the Deprecated NEXT_IME notification erronously. | |
| 113 bool ShouldShowDeprecatedNextImeNotification( | |
| 114 const ui::Accelerator& previous_accelerator) { | |
| 115 // We only show the deprecation notification if the previous accelerator key | |
| 116 // is ONLY either Shift, or Alt. | |
| 117 const ui::KeyboardCode previous_key_code = previous_accelerator.key_code(); | |
| 118 switch (previous_key_code) { | |
| 119 case ui::VKEY_SHIFT: | |
| 120 case ui::VKEY_LSHIFT: | |
| 121 case ui::VKEY_RSHIFT: | |
| 122 case ui::VKEY_MENU: | |
| 123 case ui::VKEY_LMENU: | |
| 124 case ui::VKEY_RMENU: | |
| 125 return true; | |
| 126 | |
| 127 default: | |
| 128 return false; | |
| 129 } | |
| 130 } | |
| 131 | |
| 132 void HandleNextIme(ImeControlDelegate* ime_control_delegate) { | |
| 133 base::RecordAction(UserMetricsAction("Accel_Next_Ime")); | |
| 134 ime_control_delegate->HandleNextIme(); | |
| 135 } | |
| 136 | |
| 137 bool CanHandlePreviousIme(ImeControlDelegate* ime_control_delegate) { | |
| 138 return ime_control_delegate && ime_control_delegate->CanCycleIme(); | |
| 139 } | |
| 140 | |
| 141 void HandlePreviousIme(ImeControlDelegate* ime_control_delegate, | |
| 142 const ui::Accelerator& accelerator) { | |
| 143 base::RecordAction(UserMetricsAction("Accel_Previous_Ime")); | |
| 144 if (accelerator.type() == ui::ET_KEY_PRESSED) | |
| 145 ime_control_delegate->HandlePreviousIme(); | |
| 146 // Else: consume the Ctrl+Space ET_KEY_RELEASED event but do not do anything. | |
| 147 } | |
| 148 | |
| 149 bool CanHandleSwitchIme(ImeControlDelegate* ime_control_delegate, | |
| 150 const ui::Accelerator& accelerator) { | |
| 151 return ime_control_delegate && | |
| 152 ime_control_delegate->CanSwitchIme(accelerator); | |
| 153 } | |
| 154 | |
| 155 void HandleSwitchIme(ImeControlDelegate* ime_control_delegate, | |
| 156 const ui::Accelerator& accelerator) { | |
| 157 base::RecordAction(UserMetricsAction("Accel_Switch_Ime")); | |
| 158 ime_control_delegate->HandleSwitchIme(accelerator); | |
| 159 } | |
| 160 | |
| 161 void HandleToggleFullscreen(const ui::Accelerator& accelerator) { | |
| 162 if (accelerator.key_code() == ui::VKEY_MEDIA_LAUNCH_APP2) | |
| 163 base::RecordAction(UserMetricsAction("Accel_Fullscreen_F4")); | |
| 164 accelerators::ToggleFullscreen(); | |
| 165 } | |
| 166 | |
| 167 void HandleToggleOverview() { | |
| 168 base::RecordAction(base::UserMetricsAction("Accel_Overview_F5")); | |
| 169 WmShell::Get()->window_selector_controller()->ToggleOverview(); | |
| 170 } | |
| 171 | |
| 172 bool CanHandleWindowSnapOrDock() { | |
| 173 WmWindow* active_window = WmShell::Get()->GetActiveWindow(); | |
| 174 if (!active_window) | |
| 175 return false; | |
| 176 wm::WindowState* window_state = active_window->GetWindowState(); | |
| 177 // Disable window snapping shortcut key for full screen window due to | |
| 178 // http://crbug.com/135487. | |
| 179 return (window_state && window_state->IsUserPositionable() && | |
| 180 !window_state->IsFullscreen()); | |
| 181 } | |
| 182 | |
| 183 void HandleWindowSnapOrDock(AcceleratorAction action) { | |
| 184 if (action == WINDOW_CYCLE_SNAP_DOCK_LEFT) | |
| 185 base::RecordAction(UserMetricsAction("Accel_Window_Snap_Left")); | |
| 186 else | |
| 187 base::RecordAction(UserMetricsAction("Accel_Window_Snap_Right")); | |
| 188 | |
| 189 const wm::WMEvent event(action == WINDOW_CYCLE_SNAP_DOCK_LEFT | |
| 190 ? wm::WM_EVENT_CYCLE_SNAP_DOCK_LEFT | |
| 191 : wm::WM_EVENT_CYCLE_SNAP_DOCK_RIGHT); | |
| 192 WmWindow* active_window = WmShell::Get()->GetActiveWindow(); | |
| 193 DCHECK(active_window); | |
| 194 active_window->GetWindowState()->OnWMEvent(&event); | |
| 195 } | |
| 196 | |
| 197 void HandleWindowMinimize() { | |
| 198 base::RecordAction(base::UserMetricsAction("Accel_Toggle_Minimized_Minus")); | |
| 199 accelerators::ToggleMinimized(); | |
| 200 } | |
| 201 | |
| 202 bool CanHandlePositionCenter() { | |
| 203 // Docked windows do not support centering. | |
| 204 WmWindow* active_window = WmShell::Get()->GetActiveWindow(); | |
| 205 return (active_window && !active_window->GetWindowState()->IsDocked()); | |
| 206 } | |
| 207 | |
| 208 void HandlePositionCenter() { | |
| 209 base::RecordAction(UserMetricsAction("Accel_Window_Position_Center")); | |
| 210 wm::CenterWindow(WmShell::Get()->GetActiveWindow()); | |
| 211 } | |
| 212 | |
| 213 #if defined(OS_CHROMEOS) | |
| 214 bool CanHandleDisableCapsLock(const ui::Accelerator& previous_accelerator) { | |
| 215 ui::KeyboardCode previous_key_code = previous_accelerator.key_code(); | |
| 216 if (previous_accelerator.type() == ui::ET_KEY_RELEASED || | |
| 217 (previous_key_code != ui::VKEY_LSHIFT && | |
| 218 previous_key_code != ui::VKEY_SHIFT && | |
| 219 previous_key_code != ui::VKEY_RSHIFT)) { | |
| 220 // If something else was pressed between the Shift key being pressed | |
| 221 // and released, then ignore the release of the Shift key. | |
| 222 return false; | |
| 223 } | |
| 224 chromeos::input_method::InputMethodManager* ime = | |
| 225 chromeos::input_method::InputMethodManager::Get(); | |
| 226 chromeos::input_method::ImeKeyboard* keyboard = | |
| 227 ime ? ime->GetImeKeyboard() : NULL; | |
| 228 return (keyboard && keyboard->CapsLockIsEnabled()); | |
| 229 } | |
| 230 | |
| 231 void HandleDisableCapsLock() { | |
| 232 base::RecordAction(UserMetricsAction("Accel_Disable_Caps_Lock")); | |
| 233 chromeos::input_method::InputMethodManager* ime = | |
| 234 chromeos::input_method::InputMethodManager::Get(); | |
| 235 ime->GetImeKeyboard()->SetCapsLockEnabled(false); | |
| 236 } | |
| 237 | |
| 238 bool CanHandleLock() { | |
| 239 return WmShell::Get()->GetSessionStateDelegate()->CanLockScreen(); | |
| 240 } | |
| 241 | |
| 242 void HandleLock() { | |
| 243 base::RecordAction(UserMetricsAction("Accel_LockScreen_L")); | |
| 244 WmShell::Get()->GetSessionStateDelegate()->LockScreen(); | |
| 245 } | |
| 246 | |
| 247 void HandleSuspend() { | |
| 248 base::RecordAction(UserMetricsAction("Accel_Suspend")); | |
| 249 chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->RequestSuspend(); | |
| 250 } | |
| 251 | |
| 252 bool CanHandleCycleUser() { | |
| 253 return WmShell::Get()->delegate()->IsMultiProfilesEnabled() && | |
| 254 WmShell::Get()->GetSessionStateDelegate()->NumberOfLoggedInUsers() > 1; | |
| 255 } | |
| 256 | |
| 257 void HandleCycleUser(SessionStateDelegate::CycleUser cycle_user) { | |
| 258 MultiProfileUMA::RecordSwitchActiveUser( | |
| 259 MultiProfileUMA::SWITCH_ACTIVE_USER_BY_ACCELERATOR); | |
| 260 switch (cycle_user) { | |
| 261 case SessionStateDelegate::CYCLE_TO_NEXT_USER: | |
| 262 base::RecordAction(UserMetricsAction("Accel_Switch_To_Next_User")); | |
| 263 break; | |
| 264 case SessionStateDelegate::CYCLE_TO_PREVIOUS_USER: | |
| 265 base::RecordAction(UserMetricsAction("Accel_Switch_To_Previous_User")); | |
| 266 break; | |
| 267 } | |
| 268 WmShell::Get()->GetSessionStateDelegate()->CycleActiveUser(cycle_user); | |
| 269 } | |
| 270 | |
| 271 bool CanHandleToggleCapsLock(const ui::Accelerator& accelerator, | |
| 272 const ui::Accelerator& previous_accelerator) { | |
| 273 if (accelerator.key_code() == ui::VKEY_LWIN) { | |
| 274 // If something else was pressed between the Search key (LWIN) | |
| 275 // being pressed and released, then ignore the release of the | |
| 276 // Search key. | |
| 277 // TODO(danakj): Releasing Alt first breaks this: crbug.com/166495 | |
| 278 if (previous_accelerator.type() == ui::ET_KEY_RELEASED || | |
| 279 previous_accelerator.key_code() != ui::VKEY_LWIN) | |
| 280 return false; | |
| 281 } | |
| 282 chromeos::input_method::InputMethodManager* ime = | |
| 283 chromeos::input_method::InputMethodManager::Get(); | |
| 284 return ime && ime->GetImeKeyboard(); | |
| 285 } | |
| 286 | |
| 287 void HandleToggleCapsLock() { | |
| 288 base::RecordAction(UserMetricsAction("Accel_Toggle_Caps_Lock")); | |
| 289 chromeos::input_method::InputMethodManager* ime = | |
| 290 chromeos::input_method::InputMethodManager::Get(); | |
| 291 chromeos::input_method::ImeKeyboard* keyboard = ime->GetImeKeyboard(); | |
| 292 keyboard->SetCapsLockEnabled(!keyboard->CapsLockIsEnabled()); | |
| 293 } | |
| 294 | |
| 295 void HandleToggleSpokenFeedback() { | |
| 296 base::RecordAction(UserMetricsAction("Accel_Toggle_Spoken_Feedback")); | |
| 297 | |
| 298 WmShell::Get()->accessibility_delegate()->ToggleSpokenFeedback( | |
| 299 A11Y_NOTIFICATION_SHOW); | |
| 300 } | |
| 301 | |
| 302 void HandleVolumeDown(const ui::Accelerator& accelerator) { | |
| 303 VolumeControlDelegate* volume_delegate = | |
| 304 WmShell::Get()->system_tray_delegate()->GetVolumeControlDelegate(); | |
| 305 if (volume_delegate) | |
| 306 volume_delegate->HandleVolumeDown(accelerator); | |
| 307 } | |
| 308 | |
| 309 void HandleVolumeMute(const ui::Accelerator& accelerator) { | |
| 310 VolumeControlDelegate* volume_delegate = | |
| 311 WmShell::Get()->system_tray_delegate()->GetVolumeControlDelegate(); | |
| 312 if (volume_delegate) | |
| 313 volume_delegate->HandleVolumeMute(accelerator); | |
| 314 } | |
| 315 | |
| 316 void HandleVolumeUp(const ui::Accelerator& accelerator) { | |
| 317 VolumeControlDelegate* volume_delegate = | |
| 318 WmShell::Get()->system_tray_delegate()->GetVolumeControlDelegate(); | |
| 319 if (volume_delegate) | |
| 320 volume_delegate->HandleVolumeUp(accelerator); | |
| 321 } | |
| 322 | |
| 323 #endif // defined(OS_CHROMEOS) | |
| 324 | |
| 325 } // namespace | |
| 326 | |
| 327 //////////////////////////////////////////////////////////////////////////////// | |
| 328 // AcceleratorController, public: | |
| 329 | |
| 330 AcceleratorController::AcceleratorController( | |
| 331 AcceleratorControllerDelegate* delegate) | |
| 332 : delegate_(delegate), | |
| 333 accelerator_manager_(new ui::AcceleratorManager), | |
| 334 accelerator_history_(new ui::AcceleratorHistory) { | |
| 335 Init(); | |
| 336 } | |
| 337 | |
| 338 AcceleratorController::~AcceleratorController() {} | |
| 339 | |
| 340 void AcceleratorController::Register(const ui::Accelerator& accelerator, | |
| 341 ui::AcceleratorTarget* target) { | |
| 342 accelerator_manager_->Register( | |
| 343 accelerator, ui::AcceleratorManager::kNormalPriority, target); | |
| 344 } | |
| 345 | |
| 346 void AcceleratorController::Unregister(const ui::Accelerator& accelerator, | |
| 347 ui::AcceleratorTarget* target) { | |
| 348 accelerator_manager_->Unregister(accelerator, target); | |
| 349 } | |
| 350 | |
| 351 void AcceleratorController::UnregisterAll(ui::AcceleratorTarget* target) { | |
| 352 accelerator_manager_->UnregisterAll(target); | |
| 353 } | |
| 354 | |
| 355 bool AcceleratorController::Process(const ui::Accelerator& accelerator) { | |
| 356 return accelerator_manager_->Process(accelerator); | |
| 357 } | |
| 358 | |
| 359 bool AcceleratorController::IsRegistered( | |
| 360 const ui::Accelerator& accelerator) const { | |
| 361 return accelerator_manager_->IsRegistered(accelerator); | |
| 362 } | |
| 363 | |
| 364 bool AcceleratorController::IsPreferred( | |
| 365 const ui::Accelerator& accelerator) const { | |
| 366 std::map<ui::Accelerator, AcceleratorAction>::const_iterator iter = | |
| 367 accelerators_.find(accelerator); | |
| 368 if (iter == accelerators_.end()) | |
| 369 return false; // not an accelerator. | |
| 370 | |
| 371 return preferred_actions_.find(iter->second) != preferred_actions_.end(); | |
| 372 } | |
| 373 | |
| 374 bool AcceleratorController::IsReserved( | |
| 375 const ui::Accelerator& accelerator) const { | |
| 376 std::map<ui::Accelerator, AcceleratorAction>::const_iterator iter = | |
| 377 accelerators_.find(accelerator); | |
| 378 if (iter == accelerators_.end()) | |
| 379 return false; // not an accelerator. | |
| 380 | |
| 381 return reserved_actions_.find(iter->second) != reserved_actions_.end(); | |
| 382 } | |
| 383 | |
| 384 bool AcceleratorController::IsDeprecated( | |
| 385 const ui::Accelerator& accelerator) const { | |
| 386 return deprecated_accelerators_.count(accelerator) != 0; | |
| 387 } | |
| 388 | |
| 389 bool AcceleratorController::PerformActionIfEnabled(AcceleratorAction action) { | |
| 390 if (CanPerformAction(action, ui::Accelerator())) { | |
| 391 PerformAction(action, ui::Accelerator()); | |
| 392 return true; | |
| 393 } | |
| 394 return false; | |
| 395 } | |
| 396 | |
| 397 AcceleratorController::AcceleratorProcessingRestriction | |
| 398 AcceleratorController::GetCurrentAcceleratorRestriction() { | |
| 399 return GetAcceleratorProcessingRestriction(-1); | |
| 400 } | |
| 401 | |
| 402 void AcceleratorController::SetImeControlDelegate( | |
| 403 std::unique_ptr<ImeControlDelegate> ime_control_delegate) { | |
| 404 ime_control_delegate_ = std::move(ime_control_delegate); | |
| 405 } | |
| 406 | |
| 407 bool AcceleratorController::ShouldCloseMenuAndRepostAccelerator( | |
| 408 const ui::Accelerator& accelerator) const { | |
| 409 auto itr = accelerators_.find(accelerator); | |
| 410 if (itr == accelerators_.end()) | |
| 411 return false; // Menu shouldn't be closed for an invalid accelerator. | |
| 412 | |
| 413 AcceleratorAction action = itr->second; | |
| 414 return actions_keeping_menu_open_.count(action) == 0; | |
| 415 } | |
| 416 | |
| 417 //////////////////////////////////////////////////////////////////////////////// | |
| 418 // AcceleratorController, ui::AcceleratorTarget implementation: | |
| 419 | |
| 420 bool AcceleratorController::AcceleratorPressed( | |
| 421 const ui::Accelerator& accelerator) { | |
| 422 std::map<ui::Accelerator, AcceleratorAction>::const_iterator it = | |
| 423 accelerators_.find(accelerator); | |
| 424 DCHECK(it != accelerators_.end()); | |
| 425 AcceleratorAction action = it->second; | |
| 426 if (CanPerformAction(action, accelerator)) { | |
| 427 // Handling the deprecated accelerators (if any) only if action can be | |
| 428 // performed. | |
| 429 auto itr = actions_with_deprecations_.find(action); | |
| 430 if (itr != actions_with_deprecations_.end()) { | |
| 431 const DeprecatedAcceleratorData* data = itr->second; | |
| 432 if (deprecated_accelerators_.count(accelerator)) { | |
| 433 // This accelerator has been deprecated and should be treated according | |
| 434 // to its |DeprecatedAcceleratorData|. | |
| 435 | |
| 436 // Record UMA stats. | |
| 437 RecordUmaHistogram(data->uma_histogram_name, DEPRECATED_USED); | |
| 438 | |
| 439 // We always display the notification as long as this entry exists, | |
| 440 // except for NEXT_IME, we must check to avoid showing it for the wrong | |
| 441 // shortcut, as Alt+Shift is tricky and trigger the action on release. | |
| 442 if (delegate_ && | |
| 443 (action != NEXT_IME || | |
| 444 (action == NEXT_IME && | |
| 445 ShouldShowDeprecatedNextImeNotification( | |
| 446 accelerator_history_->previous_accelerator())))) { | |
| 447 delegate_->ShowDeprecatedAcceleratorNotification( | |
| 448 data->uma_histogram_name, data->notification_message_id, | |
| 449 data->old_shortcut_id, data->new_shortcut_id); | |
| 450 } | |
| 451 | |
| 452 if (!data->deprecated_enabled) | |
| 453 return false; | |
| 454 } else { | |
| 455 // This is a new accelerator replacing the old deprecated one. | |
| 456 // Record UMA stats and proceed normally. | |
| 457 RecordUmaHistogram(data->uma_histogram_name, NEW_USED); | |
| 458 } | |
| 459 } | |
| 460 | |
| 461 PerformAction(action, accelerator); | |
| 462 return ShouldActionConsumeKeyEvent(action); | |
| 463 } | |
| 464 return false; | |
| 465 } | |
| 466 | |
| 467 bool AcceleratorController::CanHandleAccelerators() const { | |
| 468 return true; | |
| 469 } | |
| 470 | |
| 471 /////////////////////////////////////////////////////////////////////////////// | |
| 472 // AcceleratorController, private: | |
| 473 | |
| 474 void AcceleratorController::Init() { | |
| 475 for (size_t i = 0; i < kActionsAllowedAtLoginOrLockScreenLength; ++i) { | |
| 476 actions_allowed_at_login_screen_.insert( | |
| 477 kActionsAllowedAtLoginOrLockScreen[i]); | |
| 478 actions_allowed_at_lock_screen_.insert( | |
| 479 kActionsAllowedAtLoginOrLockScreen[i]); | |
| 480 } | |
| 481 for (size_t i = 0; i < kActionsAllowedAtLockScreenLength; ++i) | |
| 482 actions_allowed_at_lock_screen_.insert(kActionsAllowedAtLockScreen[i]); | |
| 483 for (size_t i = 0; i < kActionsAllowedAtModalWindowLength; ++i) | |
| 484 actions_allowed_at_modal_window_.insert(kActionsAllowedAtModalWindow[i]); | |
| 485 for (size_t i = 0; i < kPreferredActionsLength; ++i) | |
| 486 preferred_actions_.insert(kPreferredActions[i]); | |
| 487 for (size_t i = 0; i < kReservedActionsLength; ++i) | |
| 488 reserved_actions_.insert(kReservedActions[i]); | |
| 489 for (size_t i = 0; i < kRepeatableActionsLength; ++i) | |
| 490 repeatable_actions_.insert(kRepeatableActions[i]); | |
| 491 for (size_t i = 0; i < kActionsAllowedInAppModeOrPinnedModeLength; ++i) { | |
| 492 actions_allowed_in_app_mode_.insert( | |
| 493 kActionsAllowedInAppModeOrPinnedMode[i]); | |
| 494 actions_allowed_in_pinned_mode_.insert( | |
| 495 kActionsAllowedInAppModeOrPinnedMode[i]); | |
| 496 } | |
| 497 for (size_t i = 0; i < kActionsAllowedInPinnedModeLength; ++i) | |
| 498 actions_allowed_in_pinned_mode_.insert(kActionsAllowedInPinnedMode[i]); | |
| 499 for (size_t i = 0; i < kActionsNeedingWindowLength; ++i) | |
| 500 actions_needing_window_.insert(kActionsNeedingWindow[i]); | |
| 501 for (size_t i = 0; i < kActionsKeepingMenuOpenLength; ++i) | |
| 502 actions_keeping_menu_open_.insert(kActionsKeepingMenuOpen[i]); | |
| 503 | |
| 504 RegisterAccelerators(kAcceleratorData, kAcceleratorDataLength); | |
| 505 | |
| 506 RegisterDeprecatedAccelerators(); | |
| 507 | |
| 508 if (debug::DebugAcceleratorsEnabled()) { | |
| 509 RegisterAccelerators(kDebugAcceleratorData, kDebugAcceleratorDataLength); | |
| 510 // All debug accelerators are reserved. | |
| 511 for (size_t i = 0; i < kDebugAcceleratorDataLength; ++i) | |
| 512 reserved_actions_.insert(kDebugAcceleratorData[i].action); | |
| 513 } | |
| 514 } | |
| 515 | |
| 516 void AcceleratorController::RegisterAccelerators( | |
| 517 const AcceleratorData accelerators[], | |
| 518 size_t accelerators_length) { | |
| 519 for (size_t i = 0; i < accelerators_length; ++i) { | |
| 520 ui::Accelerator accelerator = | |
| 521 CreateAccelerator(accelerators[i].keycode, accelerators[i].modifiers, | |
| 522 accelerators[i].trigger_on_press); | |
| 523 Register(accelerator, this); | |
| 524 accelerators_.insert(std::make_pair(accelerator, accelerators[i].action)); | |
| 525 } | |
| 526 } | |
| 527 | |
| 528 void AcceleratorController::RegisterDeprecatedAccelerators() { | |
| 529 #if defined(OS_CHROMEOS) | |
| 530 for (size_t i = 0; i < kDeprecatedAcceleratorsDataLength; ++i) { | |
| 531 const DeprecatedAcceleratorData* data = &kDeprecatedAcceleratorsData[i]; | |
| 532 actions_with_deprecations_[data->action] = data; | |
| 533 } | |
| 534 | |
| 535 for (size_t i = 0; i < kDeprecatedAcceleratorsLength; ++i) { | |
| 536 const AcceleratorData& accelerator_data = kDeprecatedAccelerators[i]; | |
| 537 const ui::Accelerator deprecated_accelerator = | |
| 538 CreateAccelerator(accelerator_data.keycode, accelerator_data.modifiers, | |
| 539 accelerator_data.trigger_on_press); | |
| 540 | |
| 541 Register(deprecated_accelerator, this); | |
| 542 accelerators_[deprecated_accelerator] = accelerator_data.action; | |
| 543 deprecated_accelerators_.insert(deprecated_accelerator); | |
| 544 } | |
| 545 #endif // defined(OS_CHROMEOS) | |
| 546 } | |
| 547 | |
| 548 bool AcceleratorController::CanPerformAction( | |
| 549 AcceleratorAction action, | |
| 550 const ui::Accelerator& accelerator) { | |
| 551 if (accelerator.IsRepeat() && !repeatable_actions_.count(action)) | |
| 552 return false; | |
| 553 | |
| 554 AcceleratorProcessingRestriction restriction = | |
| 555 GetAcceleratorProcessingRestriction(action); | |
| 556 if (restriction != RESTRICTION_NONE) | |
| 557 return restriction == RESTRICTION_PREVENT_PROCESSING_AND_PROPAGATION; | |
| 558 | |
| 559 const ui::Accelerator& previous_accelerator = | |
| 560 accelerator_history_->previous_accelerator(); | |
| 561 | |
| 562 // True should be returned if running |action| does something. Otherwise, | |
| 563 // false should be returned to give the web contents a chance at handling the | |
| 564 // accelerator. | |
| 565 switch (action) { | |
| 566 case DEBUG_PRINT_LAYER_HIERARCHY: | |
| 567 case DEBUG_PRINT_VIEW_HIERARCHY: | |
| 568 case DEBUG_PRINT_WINDOW_HIERARCHY: | |
| 569 return debug::DebugAcceleratorsEnabled(); | |
| 570 case NEXT_IME: | |
| 571 return CanHandleNextIme(ime_control_delegate_.get()); | |
| 572 case PREVIOUS_IME: | |
| 573 return CanHandlePreviousIme(ime_control_delegate_.get()); | |
| 574 case SWITCH_IME: | |
| 575 return CanHandleSwitchIme(ime_control_delegate_.get(), accelerator); | |
| 576 case WINDOW_CYCLE_SNAP_DOCK_LEFT: | |
| 577 case WINDOW_CYCLE_SNAP_DOCK_RIGHT: | |
| 578 return CanHandleWindowSnapOrDock(); | |
| 579 case WINDOW_POSITION_CENTER: | |
| 580 return CanHandlePositionCenter(); | |
| 581 #if defined(OS_CHROMEOS) | |
| 582 case DEBUG_SHOW_TOAST: | |
| 583 case DEBUG_TOGGLE_TOUCH_PAD: | |
| 584 case DEBUG_TOGGLE_TOUCH_SCREEN: | |
| 585 case DEBUG_TOGGLE_TOUCH_VIEW: | |
| 586 return debug::DebugAcceleratorsEnabled(); | |
| 587 case DISABLE_CAPS_LOCK: | |
| 588 return CanHandleDisableCapsLock(previous_accelerator); | |
| 589 case LOCK_SCREEN: | |
| 590 return CanHandleLock(); | |
| 591 case SWITCH_TO_PREVIOUS_USER: | |
| 592 case SWITCH_TO_NEXT_USER: | |
| 593 return CanHandleCycleUser(); | |
| 594 case TOGGLE_CAPS_LOCK: | |
| 595 return CanHandleToggleCapsLock(accelerator, previous_accelerator); | |
| 596 #endif | |
| 597 case CYCLE_BACKWARD_MRU: | |
| 598 case CYCLE_FORWARD_MRU: | |
| 599 case EXIT: | |
| 600 case FOCUS_NEXT_PANE: | |
| 601 case FOCUS_PREVIOUS_PANE: | |
| 602 case MEDIA_NEXT_TRACK: | |
| 603 case MEDIA_PLAY_PAUSE: | |
| 604 case MEDIA_PREV_TRACK: | |
| 605 case PRINT_UI_HIERARCHIES: | |
| 606 case TOGGLE_FULLSCREEN: | |
| 607 case TOGGLE_MAXIMIZED: | |
| 608 case TOGGLE_OVERVIEW: | |
| 609 case WINDOW_MINIMIZE: | |
| 610 #if defined(OS_CHROMEOS) | |
| 611 case BRIGHTNESS_DOWN: | |
| 612 case BRIGHTNESS_UP: | |
| 613 case KEYBOARD_BRIGHTNESS_DOWN: | |
| 614 case KEYBOARD_BRIGHTNESS_UP: | |
| 615 case SUSPEND: | |
| 616 case TOGGLE_SPOKEN_FEEDBACK: | |
| 617 case TOGGLE_WIFI: | |
| 618 case VOLUME_DOWN: | |
| 619 case VOLUME_MUTE: | |
| 620 case VOLUME_UP: | |
| 621 #else | |
| 622 case DUMMY_FOR_RESERVED: | |
| 623 #endif | |
| 624 return true; | |
| 625 | |
| 626 default: | |
| 627 // Default switch is temporary until mash transition complete. Needed as | |
| 628 // some actions don't yet work with mash. | |
| 629 break; | |
| 630 } | |
| 631 return delegate_ && delegate_->HandlesAction(action) && | |
| 632 delegate_->CanPerformAction(action, accelerator, previous_accelerator); | |
| 633 } | |
| 634 | |
| 635 void AcceleratorController::PerformAction(AcceleratorAction action, | |
| 636 const ui::Accelerator& accelerator) { | |
| 637 AcceleratorProcessingRestriction restriction = | |
| 638 GetAcceleratorProcessingRestriction(action); | |
| 639 if (restriction != RESTRICTION_NONE) | |
| 640 return; | |
| 641 | |
| 642 // If your accelerator invokes more than one line of code, please either | |
| 643 // implement it in your module's controller code or pull it into a HandleFoo() | |
| 644 // function above. | |
| 645 switch (action) { | |
| 646 case CYCLE_BACKWARD_MRU: | |
| 647 HandleCycleBackwardMRU(accelerator); | |
| 648 break; | |
| 649 case CYCLE_FORWARD_MRU: | |
| 650 HandleCycleForwardMRU(accelerator); | |
| 651 break; | |
| 652 case DEBUG_PRINT_LAYER_HIERARCHY: | |
| 653 case DEBUG_PRINT_VIEW_HIERARCHY: | |
| 654 case DEBUG_PRINT_WINDOW_HIERARCHY: | |
| 655 debug::PerformDebugActionIfEnabled(action); | |
| 656 break; | |
| 657 case EXIT: | |
| 658 // UMA metrics are recorded in the handler. | |
| 659 exit_warning_handler_.HandleAccelerator(); | |
| 660 break; | |
| 661 case FOCUS_NEXT_PANE: | |
| 662 HandleRotatePaneFocus(FocusCycler::FORWARD); | |
| 663 break; | |
| 664 case FOCUS_PREVIOUS_PANE: | |
| 665 HandleRotatePaneFocus(FocusCycler::BACKWARD); | |
| 666 break; | |
| 667 case MEDIA_NEXT_TRACK: | |
| 668 HandleMediaNextTrack(); | |
| 669 break; | |
| 670 case MEDIA_PLAY_PAUSE: | |
| 671 HandleMediaPlayPause(); | |
| 672 break; | |
| 673 case MEDIA_PREV_TRACK: | |
| 674 HandleMediaPrevTrack(); | |
| 675 break; | |
| 676 case NEXT_IME: | |
| 677 HandleNextIme(ime_control_delegate_.get()); | |
| 678 break; | |
| 679 case PREVIOUS_IME: | |
| 680 HandlePreviousIme(ime_control_delegate_.get(), accelerator); | |
| 681 break; | |
| 682 case PRINT_UI_HIERARCHIES: | |
| 683 debug::PrintUIHierarchies(); | |
| 684 break; | |
| 685 case SWITCH_IME: | |
| 686 HandleSwitchIme(ime_control_delegate_.get(), accelerator); | |
| 687 break; | |
| 688 case TOGGLE_FULLSCREEN: | |
| 689 HandleToggleFullscreen(accelerator); | |
| 690 break; | |
| 691 case TOGGLE_MAXIMIZED: | |
| 692 accelerators::ToggleMaximized(); | |
| 693 break; | |
| 694 case TOGGLE_OVERVIEW: | |
| 695 HandleToggleOverview(); | |
| 696 break; | |
| 697 case WINDOW_CYCLE_SNAP_DOCK_LEFT: | |
| 698 case WINDOW_CYCLE_SNAP_DOCK_RIGHT: | |
| 699 HandleWindowSnapOrDock(action); | |
| 700 break; | |
| 701 case WINDOW_MINIMIZE: | |
| 702 HandleWindowMinimize(); | |
| 703 break; | |
| 704 case WINDOW_POSITION_CENTER: | |
| 705 HandlePositionCenter(); | |
| 706 break; | |
| 707 #if defined(OS_CHROMEOS) | |
| 708 case BRIGHTNESS_DOWN: { | |
| 709 BrightnessControlDelegate* delegate = | |
| 710 WmShell::Get()->brightness_control_delegate(); | |
| 711 if (delegate) | |
| 712 delegate->HandleBrightnessDown(accelerator); | |
| 713 break; | |
| 714 } | |
| 715 case BRIGHTNESS_UP: { | |
| 716 BrightnessControlDelegate* delegate = | |
| 717 WmShell::Get()->brightness_control_delegate(); | |
| 718 if (delegate) | |
| 719 delegate->HandleBrightnessUp(accelerator); | |
| 720 break; | |
| 721 } | |
| 722 case DEBUG_SHOW_TOAST: | |
| 723 case DEBUG_TOGGLE_TOUCH_PAD: | |
| 724 case DEBUG_TOGGLE_TOUCH_SCREEN: | |
| 725 case DEBUG_TOGGLE_TOUCH_VIEW: | |
| 726 debug::PerformDebugActionIfEnabled(action); | |
| 727 break; | |
| 728 case DISABLE_CAPS_LOCK: | |
| 729 HandleDisableCapsLock(); | |
| 730 break; | |
| 731 case KEYBOARD_BRIGHTNESS_DOWN: { | |
| 732 KeyboardBrightnessControlDelegate* delegate = | |
| 733 WmShell::Get()->keyboard_brightness_control_delegate(); | |
| 734 if (delegate) | |
| 735 delegate->HandleKeyboardBrightnessDown(accelerator); | |
| 736 break; | |
| 737 } | |
| 738 case KEYBOARD_BRIGHTNESS_UP: { | |
| 739 KeyboardBrightnessControlDelegate* delegate = | |
| 740 WmShell::Get()->keyboard_brightness_control_delegate(); | |
| 741 if (delegate) | |
| 742 delegate->HandleKeyboardBrightnessUp(accelerator); | |
| 743 break; | |
| 744 } | |
| 745 case LOCK_SCREEN: | |
| 746 HandleLock(); | |
| 747 break; | |
| 748 case SUSPEND: | |
| 749 HandleSuspend(); | |
| 750 break; | |
| 751 case SWITCH_TO_NEXT_USER: | |
| 752 HandleCycleUser(SessionStateDelegate::CYCLE_TO_NEXT_USER); | |
| 753 break; | |
| 754 case SWITCH_TO_PREVIOUS_USER: | |
| 755 HandleCycleUser(SessionStateDelegate::CYCLE_TO_PREVIOUS_USER); | |
| 756 break; | |
| 757 case TOGGLE_CAPS_LOCK: | |
| 758 HandleToggleCapsLock(); | |
| 759 break; | |
| 760 case TOGGLE_SPOKEN_FEEDBACK: | |
| 761 HandleToggleSpokenFeedback(); | |
| 762 break; | |
| 763 case TOGGLE_WIFI: | |
| 764 WmShell::Get()->system_tray_notifier()->NotifyRequestToggleWifi(); | |
| 765 break; | |
| 766 case VOLUME_DOWN: | |
| 767 HandleVolumeDown(accelerator); | |
| 768 break; | |
| 769 case VOLUME_MUTE: | |
| 770 HandleVolumeMute(accelerator); | |
| 771 break; | |
| 772 case VOLUME_UP: | |
| 773 HandleVolumeUp(accelerator); | |
| 774 break; | |
| 775 #else | |
| 776 case DUMMY_FOR_RESERVED: | |
| 777 NOTREACHED(); | |
| 778 break; | |
| 779 #endif | |
| 780 default: | |
| 781 // Temporary until mash transition complete. Needed as some actions | |
| 782 // don't yet work with mash. | |
| 783 DCHECK(delegate_ && delegate_->HandlesAction(action)); | |
| 784 delegate_->PerformAction(action, accelerator); | |
| 785 break; | |
| 786 } | |
| 787 } | |
| 788 | |
| 789 bool AcceleratorController::ShouldActionConsumeKeyEvent( | |
| 790 AcceleratorAction action) { | |
| 791 // Adding new exceptions is *STRONGLY* discouraged. | |
| 792 return true; | |
| 793 } | |
| 794 | |
| 795 AcceleratorController::AcceleratorProcessingRestriction | |
| 796 AcceleratorController::GetAcceleratorProcessingRestriction(int action) { | |
| 797 if (WmShell::Get()->IsPinned() && | |
| 798 actions_allowed_in_pinned_mode_.find(action) == | |
| 799 actions_allowed_in_pinned_mode_.end()) { | |
| 800 return RESTRICTION_PREVENT_PROCESSING_AND_PROPAGATION; | |
| 801 } | |
| 802 WmShell* wm_shell = WmShell::Get(); | |
| 803 if (!wm_shell->GetSessionStateDelegate()->IsActiveUserSessionStarted() && | |
| 804 actions_allowed_at_login_screen_.find(action) == | |
| 805 actions_allowed_at_login_screen_.end()) { | |
| 806 return RESTRICTION_PREVENT_PROCESSING; | |
| 807 } | |
| 808 if (wm_shell->GetSessionStateDelegate()->IsScreenLocked() && | |
| 809 actions_allowed_at_lock_screen_.find(action) == | |
| 810 actions_allowed_at_lock_screen_.end()) { | |
| 811 return RESTRICTION_PREVENT_PROCESSING; | |
| 812 } | |
| 813 if (wm_shell->delegate()->IsRunningInForcedAppMode() && | |
| 814 actions_allowed_in_app_mode_.find(action) == | |
| 815 actions_allowed_in_app_mode_.end()) { | |
| 816 return RESTRICTION_PREVENT_PROCESSING; | |
| 817 } | |
| 818 if (WmShell::Get()->IsSystemModalWindowOpen() && | |
| 819 actions_allowed_at_modal_window_.find(action) == | |
| 820 actions_allowed_at_modal_window_.end()) { | |
| 821 // Note we prevent the shortcut from propagating so it will not | |
| 822 // be passed to the modal window. This is important for things like | |
| 823 // Alt+Tab that would cause an undesired effect in the modal window by | |
| 824 // cycling through its window elements. | |
| 825 return RESTRICTION_PREVENT_PROCESSING_AND_PROPAGATION; | |
| 826 } | |
| 827 if (wm_shell->mru_window_tracker()->BuildMruWindowList().empty() && | |
| 828 actions_needing_window_.find(action) != actions_needing_window_.end()) { | |
| 829 wm_shell->accessibility_delegate()->TriggerAccessibilityAlert( | |
| 830 A11Y_ALERT_WINDOW_NEEDED); | |
| 831 return RESTRICTION_PREVENT_PROCESSING_AND_PROPAGATION; | |
| 832 } | |
| 833 return RESTRICTION_NONE; | |
| 834 } | |
| 835 | |
| 836 } // namespace ash | |
| OLD | NEW |
|---|
Chromium Code Reviews
Issue 2166793005:
Moves accelerator code using common types to ash/common (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@debug_commands