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Unified Diff: ash/accelerators/accelerator_controller.cc

Issue 2166793005: Moves accelerator code using common types to ash/common (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@debug_commands
Patch Set: not relative Created 4 years, 5 months ago
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Index: ash/accelerators/accelerator_controller.cc
diff --git a/ash/accelerators/accelerator_controller.cc b/ash/accelerators/accelerator_controller.cc
deleted file mode 100644
index 6dbdbfa681009b92eb23ba3d2cc271b17dfb4c1d..0000000000000000000000000000000000000000
--- a/ash/accelerators/accelerator_controller.cc
+++ /dev/null
@@ -1,836 +0,0 @@
-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-#include "ash/accelerators/accelerator_controller.h"
-
-#include "ash/accelerators/accelerator_commands.h"
-#include "ash/accelerators/accelerator_controller_delegate.h"
-#include "ash/accelerators/debug_commands.h"
-#include "ash/common/accessibility_delegate.h"
-#include "ash/common/accessibility_types.h"
-#include "ash/common/focus_cycler.h"
-#include "ash/common/media_delegate.h"
-#include "ash/common/multi_profile_uma.h"
-#include "ash/common/session/session_state_delegate.h"
-#include "ash/common/shell_delegate.h"
-#include "ash/common/system/brightness_control_delegate.h"
-#include "ash/common/system/keyboard_brightness_control_delegate.h"
-#include "ash/common/system/tray/system_tray_delegate.h"
-#include "ash/common/system/tray/system_tray_notifier.h"
-#include "ash/common/system/volume_control_delegate.h"
-#include "ash/common/wm/mru_window_tracker.h"
-#include "ash/common/wm/overview/window_selector_controller.h"
-#include "ash/common/wm/window_cycle_controller.h"
-#include "ash/common/wm/window_positioning_utils.h"
-#include "ash/common/wm/window_state.h"
-#include "ash/common/wm/wm_event.h"
-#include "ash/common/wm_shell.h"
-#include "ash/common/wm_window.h"
-#include "ash/ime_control_delegate.h"
-#include "base/metrics/histogram_macros.h"
-#include "base/metrics/user_metrics.h"
-#include "ui/base/accelerators/accelerator.h"
-#include "ui/base/accelerators/accelerator_manager.h"
-
-#if defined(OS_CHROMEOS)
-#include "chromeos/dbus/dbus_thread_manager.h"
-#include "chromeos/dbus/power_manager_client.h"
-#include "ui/base/ime/chromeos/ime_keyboard.h"
-#include "ui/base/ime/chromeos/input_method_manager.h"
-#endif // defined(OS_CHROMEOS)
-
-namespace ash {
-namespace {
-
-using base::UserMetricsAction;
-
-ui::Accelerator CreateAccelerator(ui::KeyboardCode keycode,
- int modifiers,
- bool trigger_on_press) {
- ui::Accelerator accelerator(keycode, modifiers);
- accelerator.set_type(trigger_on_press ? ui::ET_KEY_PRESSED
- : ui::ET_KEY_RELEASED);
- return accelerator;
-}
-
-void RecordUmaHistogram(const char* histogram_name,
- DeprecatedAcceleratorUsage sample) {
- auto* histogram = base::LinearHistogram::FactoryGet(
- histogram_name, 1, DEPRECATED_USAGE_COUNT, DEPRECATED_USAGE_COUNT + 1,
- base::HistogramBase::kUmaTargetedHistogramFlag);
- histogram->Add(sample);
-}
-
-void HandleCycleBackwardMRU(const ui::Accelerator& accelerator) {
- if (accelerator.key_code() == ui::VKEY_TAB)
- base::RecordAction(base::UserMetricsAction("Accel_PrevWindow_Tab"));
-
- WmShell::Get()->window_cycle_controller()->HandleCycleWindow(
- WindowCycleController::BACKWARD);
-}
-
-void HandleCycleForwardMRU(const ui::Accelerator& accelerator) {
- if (accelerator.key_code() == ui::VKEY_TAB)
- base::RecordAction(base::UserMetricsAction("Accel_NextWindow_Tab"));
-
- WmShell::Get()->window_cycle_controller()->HandleCycleWindow(
- WindowCycleController::FORWARD);
-}
-
-void HandleRotatePaneFocus(FocusCycler::Direction direction) {
- switch (direction) {
- // TODO(stevet): Not sure if this is the same as IDC_FOCUS_NEXT_PANE.
- case FocusCycler::FORWARD: {
- base::RecordAction(UserMetricsAction("Accel_Focus_Next_Pane"));
- break;
- }
- case FocusCycler::BACKWARD: {
- base::RecordAction(UserMetricsAction("Accel_Focus_Previous_Pane"));
- break;
- }
- }
- WmShell::Get()->focus_cycler()->RotateFocus(direction);
-}
-
-void HandleMediaNextTrack() {
- WmShell::Get()->media_delegate()->HandleMediaNextTrack();
-}
-
-void HandleMediaPlayPause() {
- WmShell::Get()->media_delegate()->HandleMediaPlayPause();
-}
-
-void HandleMediaPrevTrack() {
- WmShell::Get()->media_delegate()->HandleMediaPrevTrack();
-}
-
-bool CanHandleNextIme(ImeControlDelegate* ime_control_delegate) {
- return ime_control_delegate && ime_control_delegate->CanCycleIme();
-}
-
-// We must avoid showing the Deprecated NEXT_IME notification erronously.
-bool ShouldShowDeprecatedNextImeNotification(
- const ui::Accelerator& previous_accelerator) {
- // We only show the deprecation notification if the previous accelerator key
- // is ONLY either Shift, or Alt.
- const ui::KeyboardCode previous_key_code = previous_accelerator.key_code();
- switch (previous_key_code) {
- case ui::VKEY_SHIFT:
- case ui::VKEY_LSHIFT:
- case ui::VKEY_RSHIFT:
- case ui::VKEY_MENU:
- case ui::VKEY_LMENU:
- case ui::VKEY_RMENU:
- return true;
-
- default:
- return false;
- }
-}
-
-void HandleNextIme(ImeControlDelegate* ime_control_delegate) {
- base::RecordAction(UserMetricsAction("Accel_Next_Ime"));
- ime_control_delegate->HandleNextIme();
-}
-
-bool CanHandlePreviousIme(ImeControlDelegate* ime_control_delegate) {
- return ime_control_delegate && ime_control_delegate->CanCycleIme();
-}
-
-void HandlePreviousIme(ImeControlDelegate* ime_control_delegate,
- const ui::Accelerator& accelerator) {
- base::RecordAction(UserMetricsAction("Accel_Previous_Ime"));
- if (accelerator.type() == ui::ET_KEY_PRESSED)
- ime_control_delegate->HandlePreviousIme();
- // Else: consume the Ctrl+Space ET_KEY_RELEASED event but do not do anything.
-}
-
-bool CanHandleSwitchIme(ImeControlDelegate* ime_control_delegate,
- const ui::Accelerator& accelerator) {
- return ime_control_delegate &&
- ime_control_delegate->CanSwitchIme(accelerator);
-}
-
-void HandleSwitchIme(ImeControlDelegate* ime_control_delegate,
- const ui::Accelerator& accelerator) {
- base::RecordAction(UserMetricsAction("Accel_Switch_Ime"));
- ime_control_delegate->HandleSwitchIme(accelerator);
-}
-
-void HandleToggleFullscreen(const ui::Accelerator& accelerator) {
- if (accelerator.key_code() == ui::VKEY_MEDIA_LAUNCH_APP2)
- base::RecordAction(UserMetricsAction("Accel_Fullscreen_F4"));
- accelerators::ToggleFullscreen();
-}
-
-void HandleToggleOverview() {
- base::RecordAction(base::UserMetricsAction("Accel_Overview_F5"));
- WmShell::Get()->window_selector_controller()->ToggleOverview();
-}
-
-bool CanHandleWindowSnapOrDock() {
- WmWindow* active_window = WmShell::Get()->GetActiveWindow();
- if (!active_window)
- return false;
- wm::WindowState* window_state = active_window->GetWindowState();
- // Disable window snapping shortcut key for full screen window due to
- // http://crbug.com/135487.
- return (window_state && window_state->IsUserPositionable() &&
- !window_state->IsFullscreen());
-}
-
-void HandleWindowSnapOrDock(AcceleratorAction action) {
- if (action == WINDOW_CYCLE_SNAP_DOCK_LEFT)
- base::RecordAction(UserMetricsAction("Accel_Window_Snap_Left"));
- else
- base::RecordAction(UserMetricsAction("Accel_Window_Snap_Right"));
-
- const wm::WMEvent event(action == WINDOW_CYCLE_SNAP_DOCK_LEFT
- ? wm::WM_EVENT_CYCLE_SNAP_DOCK_LEFT
- : wm::WM_EVENT_CYCLE_SNAP_DOCK_RIGHT);
- WmWindow* active_window = WmShell::Get()->GetActiveWindow();
- DCHECK(active_window);
- active_window->GetWindowState()->OnWMEvent(&event);
-}
-
-void HandleWindowMinimize() {
- base::RecordAction(base::UserMetricsAction("Accel_Toggle_Minimized_Minus"));
- accelerators::ToggleMinimized();
-}
-
-bool CanHandlePositionCenter() {
- // Docked windows do not support centering.
- WmWindow* active_window = WmShell::Get()->GetActiveWindow();
- return (active_window && !active_window->GetWindowState()->IsDocked());
-}
-
-void HandlePositionCenter() {
- base::RecordAction(UserMetricsAction("Accel_Window_Position_Center"));
- wm::CenterWindow(WmShell::Get()->GetActiveWindow());
-}
-
-#if defined(OS_CHROMEOS)
-bool CanHandleDisableCapsLock(const ui::Accelerator& previous_accelerator) {
- ui::KeyboardCode previous_key_code = previous_accelerator.key_code();
- if (previous_accelerator.type() == ui::ET_KEY_RELEASED ||
- (previous_key_code != ui::VKEY_LSHIFT &&
- previous_key_code != ui::VKEY_SHIFT &&
- previous_key_code != ui::VKEY_RSHIFT)) {
- // If something else was pressed between the Shift key being pressed
- // and released, then ignore the release of the Shift key.
- return false;
- }
- chromeos::input_method::InputMethodManager* ime =
- chromeos::input_method::InputMethodManager::Get();
- chromeos::input_method::ImeKeyboard* keyboard =
- ime ? ime->GetImeKeyboard() : NULL;
- return (keyboard && keyboard->CapsLockIsEnabled());
-}
-
-void HandleDisableCapsLock() {
- base::RecordAction(UserMetricsAction("Accel_Disable_Caps_Lock"));
- chromeos::input_method::InputMethodManager* ime =
- chromeos::input_method::InputMethodManager::Get();
- ime->GetImeKeyboard()->SetCapsLockEnabled(false);
-}
-
-bool CanHandleLock() {
- return WmShell::Get()->GetSessionStateDelegate()->CanLockScreen();
-}
-
-void HandleLock() {
- base::RecordAction(UserMetricsAction("Accel_LockScreen_L"));
- WmShell::Get()->GetSessionStateDelegate()->LockScreen();
-}
-
-void HandleSuspend() {
- base::RecordAction(UserMetricsAction("Accel_Suspend"));
- chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->RequestSuspend();
-}
-
-bool CanHandleCycleUser() {
- return WmShell::Get()->delegate()->IsMultiProfilesEnabled() &&
- WmShell::Get()->GetSessionStateDelegate()->NumberOfLoggedInUsers() > 1;
-}
-
-void HandleCycleUser(SessionStateDelegate::CycleUser cycle_user) {
- MultiProfileUMA::RecordSwitchActiveUser(
- MultiProfileUMA::SWITCH_ACTIVE_USER_BY_ACCELERATOR);
- switch (cycle_user) {
- case SessionStateDelegate::CYCLE_TO_NEXT_USER:
- base::RecordAction(UserMetricsAction("Accel_Switch_To_Next_User"));
- break;
- case SessionStateDelegate::CYCLE_TO_PREVIOUS_USER:
- base::RecordAction(UserMetricsAction("Accel_Switch_To_Previous_User"));
- break;
- }
- WmShell::Get()->GetSessionStateDelegate()->CycleActiveUser(cycle_user);
-}
-
-bool CanHandleToggleCapsLock(const ui::Accelerator& accelerator,
- const ui::Accelerator& previous_accelerator) {
- if (accelerator.key_code() == ui::VKEY_LWIN) {
- // If something else was pressed between the Search key (LWIN)
- // being pressed and released, then ignore the release of the
- // Search key.
- // TODO(danakj): Releasing Alt first breaks this: crbug.com/166495
- if (previous_accelerator.type() == ui::ET_KEY_RELEASED ||
- previous_accelerator.key_code() != ui::VKEY_LWIN)
- return false;
- }
- chromeos::input_method::InputMethodManager* ime =
- chromeos::input_method::InputMethodManager::Get();
- return ime && ime->GetImeKeyboard();
-}
-
-void HandleToggleCapsLock() {
- base::RecordAction(UserMetricsAction("Accel_Toggle_Caps_Lock"));
- chromeos::input_method::InputMethodManager* ime =
- chromeos::input_method::InputMethodManager::Get();
- chromeos::input_method::ImeKeyboard* keyboard = ime->GetImeKeyboard();
- keyboard->SetCapsLockEnabled(!keyboard->CapsLockIsEnabled());
-}
-
-void HandleToggleSpokenFeedback() {
- base::RecordAction(UserMetricsAction("Accel_Toggle_Spoken_Feedback"));
-
- WmShell::Get()->accessibility_delegate()->ToggleSpokenFeedback(
- A11Y_NOTIFICATION_SHOW);
-}
-
-void HandleVolumeDown(const ui::Accelerator& accelerator) {
- VolumeControlDelegate* volume_delegate =
- WmShell::Get()->system_tray_delegate()->GetVolumeControlDelegate();
- if (volume_delegate)
- volume_delegate->HandleVolumeDown(accelerator);
-}
-
-void HandleVolumeMute(const ui::Accelerator& accelerator) {
- VolumeControlDelegate* volume_delegate =
- WmShell::Get()->system_tray_delegate()->GetVolumeControlDelegate();
- if (volume_delegate)
- volume_delegate->HandleVolumeMute(accelerator);
-}
-
-void HandleVolumeUp(const ui::Accelerator& accelerator) {
- VolumeControlDelegate* volume_delegate =
- WmShell::Get()->system_tray_delegate()->GetVolumeControlDelegate();
- if (volume_delegate)
- volume_delegate->HandleVolumeUp(accelerator);
-}
-
-#endif // defined(OS_CHROMEOS)
-
-} // namespace
-
-////////////////////////////////////////////////////////////////////////////////
-// AcceleratorController, public:
-
-AcceleratorController::AcceleratorController(
- AcceleratorControllerDelegate* delegate)
- : delegate_(delegate),
- accelerator_manager_(new ui::AcceleratorManager),
- accelerator_history_(new ui::AcceleratorHistory) {
- Init();
-}
-
-AcceleratorController::~AcceleratorController() {}
-
-void AcceleratorController::Register(const ui::Accelerator& accelerator,
- ui::AcceleratorTarget* target) {
- accelerator_manager_->Register(
- accelerator, ui::AcceleratorManager::kNormalPriority, target);
-}
-
-void AcceleratorController::Unregister(const ui::Accelerator& accelerator,
- ui::AcceleratorTarget* target) {
- accelerator_manager_->Unregister(accelerator, target);
-}
-
-void AcceleratorController::UnregisterAll(ui::AcceleratorTarget* target) {
- accelerator_manager_->UnregisterAll(target);
-}
-
-bool AcceleratorController::Process(const ui::Accelerator& accelerator) {
- return accelerator_manager_->Process(accelerator);
-}
-
-bool AcceleratorController::IsRegistered(
- const ui::Accelerator& accelerator) const {
- return accelerator_manager_->IsRegistered(accelerator);
-}
-
-bool AcceleratorController::IsPreferred(
- const ui::Accelerator& accelerator) const {
- std::map<ui::Accelerator, AcceleratorAction>::const_iterator iter =
- accelerators_.find(accelerator);
- if (iter == accelerators_.end())
- return false; // not an accelerator.
-
- return preferred_actions_.find(iter->second) != preferred_actions_.end();
-}
-
-bool AcceleratorController::IsReserved(
- const ui::Accelerator& accelerator) const {
- std::map<ui::Accelerator, AcceleratorAction>::const_iterator iter =
- accelerators_.find(accelerator);
- if (iter == accelerators_.end())
- return false; // not an accelerator.
-
- return reserved_actions_.find(iter->second) != reserved_actions_.end();
-}
-
-bool AcceleratorController::IsDeprecated(
- const ui::Accelerator& accelerator) const {
- return deprecated_accelerators_.count(accelerator) != 0;
-}
-
-bool AcceleratorController::PerformActionIfEnabled(AcceleratorAction action) {
- if (CanPerformAction(action, ui::Accelerator())) {
- PerformAction(action, ui::Accelerator());
- return true;
- }
- return false;
-}
-
-AcceleratorController::AcceleratorProcessingRestriction
-AcceleratorController::GetCurrentAcceleratorRestriction() {
- return GetAcceleratorProcessingRestriction(-1);
-}
-
-void AcceleratorController::SetImeControlDelegate(
- std::unique_ptr<ImeControlDelegate> ime_control_delegate) {
- ime_control_delegate_ = std::move(ime_control_delegate);
-}
-
-bool AcceleratorController::ShouldCloseMenuAndRepostAccelerator(
- const ui::Accelerator& accelerator) const {
- auto itr = accelerators_.find(accelerator);
- if (itr == accelerators_.end())
- return false; // Menu shouldn't be closed for an invalid accelerator.
-
- AcceleratorAction action = itr->second;
- return actions_keeping_menu_open_.count(action) == 0;
-}
-
-////////////////////////////////////////////////////////////////////////////////
-// AcceleratorController, ui::AcceleratorTarget implementation:
-
-bool AcceleratorController::AcceleratorPressed(
- const ui::Accelerator& accelerator) {
- std::map<ui::Accelerator, AcceleratorAction>::const_iterator it =
- accelerators_.find(accelerator);
- DCHECK(it != accelerators_.end());
- AcceleratorAction action = it->second;
- if (CanPerformAction(action, accelerator)) {
- // Handling the deprecated accelerators (if any) only if action can be
- // performed.
- auto itr = actions_with_deprecations_.find(action);
- if (itr != actions_with_deprecations_.end()) {
- const DeprecatedAcceleratorData* data = itr->second;
- if (deprecated_accelerators_.count(accelerator)) {
- // This accelerator has been deprecated and should be treated according
- // to its |DeprecatedAcceleratorData|.
-
- // Record UMA stats.
- RecordUmaHistogram(data->uma_histogram_name, DEPRECATED_USED);
-
- // We always display the notification as long as this entry exists,
- // except for NEXT_IME, we must check to avoid showing it for the wrong
- // shortcut, as Alt+Shift is tricky and trigger the action on release.
- if (delegate_ &&
- (action != NEXT_IME ||
- (action == NEXT_IME &&
- ShouldShowDeprecatedNextImeNotification(
- accelerator_history_->previous_accelerator())))) {
- delegate_->ShowDeprecatedAcceleratorNotification(
- data->uma_histogram_name, data->notification_message_id,
- data->old_shortcut_id, data->new_shortcut_id);
- }
-
- if (!data->deprecated_enabled)
- return false;
- } else {
- // This is a new accelerator replacing the old deprecated one.
- // Record UMA stats and proceed normally.
- RecordUmaHistogram(data->uma_histogram_name, NEW_USED);
- }
- }
-
- PerformAction(action, accelerator);
- return ShouldActionConsumeKeyEvent(action);
- }
- return false;
-}
-
-bool AcceleratorController::CanHandleAccelerators() const {
- return true;
-}
-
-///////////////////////////////////////////////////////////////////////////////
-// AcceleratorController, private:
-
-void AcceleratorController::Init() {
- for (size_t i = 0; i < kActionsAllowedAtLoginOrLockScreenLength; ++i) {
- actions_allowed_at_login_screen_.insert(
- kActionsAllowedAtLoginOrLockScreen[i]);
- actions_allowed_at_lock_screen_.insert(
- kActionsAllowedAtLoginOrLockScreen[i]);
- }
- for (size_t i = 0; i < kActionsAllowedAtLockScreenLength; ++i)
- actions_allowed_at_lock_screen_.insert(kActionsAllowedAtLockScreen[i]);
- for (size_t i = 0; i < kActionsAllowedAtModalWindowLength; ++i)
- actions_allowed_at_modal_window_.insert(kActionsAllowedAtModalWindow[i]);
- for (size_t i = 0; i < kPreferredActionsLength; ++i)
- preferred_actions_.insert(kPreferredActions[i]);
- for (size_t i = 0; i < kReservedActionsLength; ++i)
- reserved_actions_.insert(kReservedActions[i]);
- for (size_t i = 0; i < kRepeatableActionsLength; ++i)
- repeatable_actions_.insert(kRepeatableActions[i]);
- for (size_t i = 0; i < kActionsAllowedInAppModeOrPinnedModeLength; ++i) {
- actions_allowed_in_app_mode_.insert(
- kActionsAllowedInAppModeOrPinnedMode[i]);
- actions_allowed_in_pinned_mode_.insert(
- kActionsAllowedInAppModeOrPinnedMode[i]);
- }
- for (size_t i = 0; i < kActionsAllowedInPinnedModeLength; ++i)
- actions_allowed_in_pinned_mode_.insert(kActionsAllowedInPinnedMode[i]);
- for (size_t i = 0; i < kActionsNeedingWindowLength; ++i)
- actions_needing_window_.insert(kActionsNeedingWindow[i]);
- for (size_t i = 0; i < kActionsKeepingMenuOpenLength; ++i)
- actions_keeping_menu_open_.insert(kActionsKeepingMenuOpen[i]);
-
- RegisterAccelerators(kAcceleratorData, kAcceleratorDataLength);
-
- RegisterDeprecatedAccelerators();
-
- if (debug::DebugAcceleratorsEnabled()) {
- RegisterAccelerators(kDebugAcceleratorData, kDebugAcceleratorDataLength);
- // All debug accelerators are reserved.
- for (size_t i = 0; i < kDebugAcceleratorDataLength; ++i)
- reserved_actions_.insert(kDebugAcceleratorData[i].action);
- }
-}
-
-void AcceleratorController::RegisterAccelerators(
- const AcceleratorData accelerators[],
- size_t accelerators_length) {
- for (size_t i = 0; i < accelerators_length; ++i) {
- ui::Accelerator accelerator =
- CreateAccelerator(accelerators[i].keycode, accelerators[i].modifiers,
- accelerators[i].trigger_on_press);
- Register(accelerator, this);
- accelerators_.insert(std::make_pair(accelerator, accelerators[i].action));
- }
-}
-
-void AcceleratorController::RegisterDeprecatedAccelerators() {
-#if defined(OS_CHROMEOS)
- for (size_t i = 0; i < kDeprecatedAcceleratorsDataLength; ++i) {
- const DeprecatedAcceleratorData* data = &kDeprecatedAcceleratorsData[i];
- actions_with_deprecations_[data->action] = data;
- }
-
- for (size_t i = 0; i < kDeprecatedAcceleratorsLength; ++i) {
- const AcceleratorData& accelerator_data = kDeprecatedAccelerators[i];
- const ui::Accelerator deprecated_accelerator =
- CreateAccelerator(accelerator_data.keycode, accelerator_data.modifiers,
- accelerator_data.trigger_on_press);
-
- Register(deprecated_accelerator, this);
- accelerators_[deprecated_accelerator] = accelerator_data.action;
- deprecated_accelerators_.insert(deprecated_accelerator);
- }
-#endif // defined(OS_CHROMEOS)
-}
-
-bool AcceleratorController::CanPerformAction(
- AcceleratorAction action,
- const ui::Accelerator& accelerator) {
- if (accelerator.IsRepeat() && !repeatable_actions_.count(action))
- return false;
-
- AcceleratorProcessingRestriction restriction =
- GetAcceleratorProcessingRestriction(action);
- if (restriction != RESTRICTION_NONE)
- return restriction == RESTRICTION_PREVENT_PROCESSING_AND_PROPAGATION;
-
- const ui::Accelerator& previous_accelerator =
- accelerator_history_->previous_accelerator();
-
- // True should be returned if running |action| does something. Otherwise,
- // false should be returned to give the web contents a chance at handling the
- // accelerator.
- switch (action) {
- case DEBUG_PRINT_LAYER_HIERARCHY:
- case DEBUG_PRINT_VIEW_HIERARCHY:
- case DEBUG_PRINT_WINDOW_HIERARCHY:
- return debug::DebugAcceleratorsEnabled();
- case NEXT_IME:
- return CanHandleNextIme(ime_control_delegate_.get());
- case PREVIOUS_IME:
- return CanHandlePreviousIme(ime_control_delegate_.get());
- case SWITCH_IME:
- return CanHandleSwitchIme(ime_control_delegate_.get(), accelerator);
- case WINDOW_CYCLE_SNAP_DOCK_LEFT:
- case WINDOW_CYCLE_SNAP_DOCK_RIGHT:
- return CanHandleWindowSnapOrDock();
- case WINDOW_POSITION_CENTER:
- return CanHandlePositionCenter();
-#if defined(OS_CHROMEOS)
- case DEBUG_SHOW_TOAST:
- case DEBUG_TOGGLE_TOUCH_PAD:
- case DEBUG_TOGGLE_TOUCH_SCREEN:
- case DEBUG_TOGGLE_TOUCH_VIEW:
- return debug::DebugAcceleratorsEnabled();
- case DISABLE_CAPS_LOCK:
- return CanHandleDisableCapsLock(previous_accelerator);
- case LOCK_SCREEN:
- return CanHandleLock();
- case SWITCH_TO_PREVIOUS_USER:
- case SWITCH_TO_NEXT_USER:
- return CanHandleCycleUser();
- case TOGGLE_CAPS_LOCK:
- return CanHandleToggleCapsLock(accelerator, previous_accelerator);
-#endif
- case CYCLE_BACKWARD_MRU:
- case CYCLE_FORWARD_MRU:
- case EXIT:
- case FOCUS_NEXT_PANE:
- case FOCUS_PREVIOUS_PANE:
- case MEDIA_NEXT_TRACK:
- case MEDIA_PLAY_PAUSE:
- case MEDIA_PREV_TRACK:
- case PRINT_UI_HIERARCHIES:
- case TOGGLE_FULLSCREEN:
- case TOGGLE_MAXIMIZED:
- case TOGGLE_OVERVIEW:
- case WINDOW_MINIMIZE:
-#if defined(OS_CHROMEOS)
- case BRIGHTNESS_DOWN:
- case BRIGHTNESS_UP:
- case KEYBOARD_BRIGHTNESS_DOWN:
- case KEYBOARD_BRIGHTNESS_UP:
- case SUSPEND:
- case TOGGLE_SPOKEN_FEEDBACK:
- case TOGGLE_WIFI:
- case VOLUME_DOWN:
- case VOLUME_MUTE:
- case VOLUME_UP:
-#else
- case DUMMY_FOR_RESERVED:
-#endif
- return true;
-
- default:
- // Default switch is temporary until mash transition complete. Needed as
- // some actions don't yet work with mash.
- break;
- }
- return delegate_ && delegate_->HandlesAction(action) &&
- delegate_->CanPerformAction(action, accelerator, previous_accelerator);
-}
-
-void AcceleratorController::PerformAction(AcceleratorAction action,
- const ui::Accelerator& accelerator) {
- AcceleratorProcessingRestriction restriction =
- GetAcceleratorProcessingRestriction(action);
- if (restriction != RESTRICTION_NONE)
- return;
-
- // If your accelerator invokes more than one line of code, please either
- // implement it in your module's controller code or pull it into a HandleFoo()
- // function above.
- switch (action) {
- case CYCLE_BACKWARD_MRU:
- HandleCycleBackwardMRU(accelerator);
- break;
- case CYCLE_FORWARD_MRU:
- HandleCycleForwardMRU(accelerator);
- break;
- case DEBUG_PRINT_LAYER_HIERARCHY:
- case DEBUG_PRINT_VIEW_HIERARCHY:
- case DEBUG_PRINT_WINDOW_HIERARCHY:
- debug::PerformDebugActionIfEnabled(action);
- break;
- case EXIT:
- // UMA metrics are recorded in the handler.
- exit_warning_handler_.HandleAccelerator();
- break;
- case FOCUS_NEXT_PANE:
- HandleRotatePaneFocus(FocusCycler::FORWARD);
- break;
- case FOCUS_PREVIOUS_PANE:
- HandleRotatePaneFocus(FocusCycler::BACKWARD);
- break;
- case MEDIA_NEXT_TRACK:
- HandleMediaNextTrack();
- break;
- case MEDIA_PLAY_PAUSE:
- HandleMediaPlayPause();
- break;
- case MEDIA_PREV_TRACK:
- HandleMediaPrevTrack();
- break;
- case NEXT_IME:
- HandleNextIme(ime_control_delegate_.get());
- break;
- case PREVIOUS_IME:
- HandlePreviousIme(ime_control_delegate_.get(), accelerator);
- break;
- case PRINT_UI_HIERARCHIES:
- debug::PrintUIHierarchies();
- break;
- case SWITCH_IME:
- HandleSwitchIme(ime_control_delegate_.get(), accelerator);
- break;
- case TOGGLE_FULLSCREEN:
- HandleToggleFullscreen(accelerator);
- break;
- case TOGGLE_MAXIMIZED:
- accelerators::ToggleMaximized();
- break;
- case TOGGLE_OVERVIEW:
- HandleToggleOverview();
- break;
- case WINDOW_CYCLE_SNAP_DOCK_LEFT:
- case WINDOW_CYCLE_SNAP_DOCK_RIGHT:
- HandleWindowSnapOrDock(action);
- break;
- case WINDOW_MINIMIZE:
- HandleWindowMinimize();
- break;
- case WINDOW_POSITION_CENTER:
- HandlePositionCenter();
- break;
-#if defined(OS_CHROMEOS)
- case BRIGHTNESS_DOWN: {
- BrightnessControlDelegate* delegate =
- WmShell::Get()->brightness_control_delegate();
- if (delegate)
- delegate->HandleBrightnessDown(accelerator);
- break;
- }
- case BRIGHTNESS_UP: {
- BrightnessControlDelegate* delegate =
- WmShell::Get()->brightness_control_delegate();
- if (delegate)
- delegate->HandleBrightnessUp(accelerator);
- break;
- }
- case DEBUG_SHOW_TOAST:
- case DEBUG_TOGGLE_TOUCH_PAD:
- case DEBUG_TOGGLE_TOUCH_SCREEN:
- case DEBUG_TOGGLE_TOUCH_VIEW:
- debug::PerformDebugActionIfEnabled(action);
- break;
- case DISABLE_CAPS_LOCK:
- HandleDisableCapsLock();
- break;
- case KEYBOARD_BRIGHTNESS_DOWN: {
- KeyboardBrightnessControlDelegate* delegate =
- WmShell::Get()->keyboard_brightness_control_delegate();
- if (delegate)
- delegate->HandleKeyboardBrightnessDown(accelerator);
- break;
- }
- case KEYBOARD_BRIGHTNESS_UP: {
- KeyboardBrightnessControlDelegate* delegate =
- WmShell::Get()->keyboard_brightness_control_delegate();
- if (delegate)
- delegate->HandleKeyboardBrightnessUp(accelerator);
- break;
- }
- case LOCK_SCREEN:
- HandleLock();
- break;
- case SUSPEND:
- HandleSuspend();
- break;
- case SWITCH_TO_NEXT_USER:
- HandleCycleUser(SessionStateDelegate::CYCLE_TO_NEXT_USER);
- break;
- case SWITCH_TO_PREVIOUS_USER:
- HandleCycleUser(SessionStateDelegate::CYCLE_TO_PREVIOUS_USER);
- break;
- case TOGGLE_CAPS_LOCK:
- HandleToggleCapsLock();
- break;
- case TOGGLE_SPOKEN_FEEDBACK:
- HandleToggleSpokenFeedback();
- break;
- case TOGGLE_WIFI:
- WmShell::Get()->system_tray_notifier()->NotifyRequestToggleWifi();
- break;
- case VOLUME_DOWN:
- HandleVolumeDown(accelerator);
- break;
- case VOLUME_MUTE:
- HandleVolumeMute(accelerator);
- break;
- case VOLUME_UP:
- HandleVolumeUp(accelerator);
- break;
-#else
- case DUMMY_FOR_RESERVED:
- NOTREACHED();
- break;
-#endif
- default:
- // Temporary until mash transition complete. Needed as some actions
- // don't yet work with mash.
- DCHECK(delegate_ && delegate_->HandlesAction(action));
- delegate_->PerformAction(action, accelerator);
- break;
- }
-}
-
-bool AcceleratorController::ShouldActionConsumeKeyEvent(
- AcceleratorAction action) {
- // Adding new exceptions is *STRONGLY* discouraged.
- return true;
-}
-
-AcceleratorController::AcceleratorProcessingRestriction
-AcceleratorController::GetAcceleratorProcessingRestriction(int action) {
- if (WmShell::Get()->IsPinned() &&
- actions_allowed_in_pinned_mode_.find(action) ==
- actions_allowed_in_pinned_mode_.end()) {
- return RESTRICTION_PREVENT_PROCESSING_AND_PROPAGATION;
- }
- WmShell* wm_shell = WmShell::Get();
- if (!wm_shell->GetSessionStateDelegate()->IsActiveUserSessionStarted() &&
- actions_allowed_at_login_screen_.find(action) ==
- actions_allowed_at_login_screen_.end()) {
- return RESTRICTION_PREVENT_PROCESSING;
- }
- if (wm_shell->GetSessionStateDelegate()->IsScreenLocked() &&
- actions_allowed_at_lock_screen_.find(action) ==
- actions_allowed_at_lock_screen_.end()) {
- return RESTRICTION_PREVENT_PROCESSING;
- }
- if (wm_shell->delegate()->IsRunningInForcedAppMode() &&
- actions_allowed_in_app_mode_.find(action) ==
- actions_allowed_in_app_mode_.end()) {
- return RESTRICTION_PREVENT_PROCESSING;
- }
- if (WmShell::Get()->IsSystemModalWindowOpen() &&
- actions_allowed_at_modal_window_.find(action) ==
- actions_allowed_at_modal_window_.end()) {
- // Note we prevent the shortcut from propagating so it will not
- // be passed to the modal window. This is important for things like
- // Alt+Tab that would cause an undesired effect in the modal window by
- // cycling through its window elements.
- return RESTRICTION_PREVENT_PROCESSING_AND_PROPAGATION;
- }
- if (wm_shell->mru_window_tracker()->BuildMruWindowList().empty() &&
- actions_needing_window_.find(action) != actions_needing_window_.end()) {
- wm_shell->accessibility_delegate()->TriggerAccessibilityAlert(
- A11Y_ALERT_WINDOW_NEEDED);
- return RESTRICTION_PREVENT_PROCESSING_AND_PROPAGATION;
- }
- return RESTRICTION_NONE;
-}
-
-} // namespace ash
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