blob: 12beafa7f14f224fb1b54b595a9c3b88be3289e5 [file] [log] [blame]
// 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 <algorithm>
#include <cmath>
#include <string>
#include <utility>
#include "ash/accelerators/accelerator_commands.h"
#include "ash/accelerators/debug_commands.h"
#include "ash/accessibility/accessibility_controller.h"
#include "ash/app_list/app_list_controller_impl.h"
#include "ash/assistant/ash_assistant_controller.h"
#include "ash/debug.h"
#include "ash/display/display_configuration_controller.h"
#include "ash/display/display_move_window_util.h"
#include "ash/focus_cycler.h"
#include "ash/ime/ime_controller.h"
#include "ash/ime/ime_switch_type.h"
#include "ash/magnifier/docked_magnifier_controller.h"
#include "ash/magnifier/magnification_controller.h"
#include "ash/media_controller.h"
#include "ash/multi_profile_uma.h"
#include "ash/new_window_controller.h"
#include "ash/public/cpp/app_list/app_list_constants.h"
#include "ash/public/cpp/ash_features.h"
#include "ash/public/cpp/config.h"
#include "ash/resources/vector_icons/vector_icons.h"
#include "ash/root_window_controller.h"
#include "ash/rotator/window_rotation.h"
#include "ash/session/session_controller.h"
#include "ash/shelf/shelf.h"
#include "ash/shelf/shelf_widget.h"
#include "ash/shell.h"
#include "ash/shell_delegate.h"
#include "ash/strings/grit/ash_strings.h"
#include "ash/system/brightness_control_delegate.h"
#include "ash/system/ime_menu/ime_menu_tray.h"
#include "ash/system/keyboard_brightness_control_delegate.h"
#include "ash/system/message_center/notification_tray.h"
#include "ash/system/palette/palette_tray.h"
#include "ash/system/palette/palette_utils.h"
#include "ash/system/power/power_button_controller.h"
#include "ash/system/status_area_widget.h"
#include "ash/system/toast/toast_data.h"
#include "ash/system/toast/toast_manager.h"
#include "ash/system/tray/system_tray.h"
#include "ash/system/tray/system_tray_notifier.h"
#include "ash/system/unified/unified_system_tray.h"
#include "ash/touch/touch_hud_debug.h"
#include "ash/utility/screenshot_controller.h"
#include "ash/voice_interaction/voice_interaction_controller.h"
#include "ash/wm/mru_window_tracker.h"
#include "ash/wm/overview/window_selector_controller.h"
#include "ash/wm/screen_pinning_controller.h"
#include "ash/wm/window_cycle_controller.h"
#include "ash/wm/window_positioning_utils.h"
#include "ash/wm/window_state.h"
#include "ash/wm/window_util.h"
#include "ash/wm/wm_event.h"
#include "base/metrics/histogram_macros.h"
#include "base/metrics/user_metrics.h"
#include "base/optional.h"
#include "base/stl_util.h"
#include "base/strings/string_split.h"
#include "base/strings/utf_string_conversions.h"
#include "base/sys_info.h"
#include "chromeos/chromeos_switches.h"
#include "chromeos/dbus/dbus_thread_manager.h"
#include "chromeos/dbus/power_manager_client.h"
#include "components/user_manager/user_type.h"
#include "ui/base/accelerators/accelerator.h"
#include "ui/base/accelerators/accelerator_manager.h"
#include "ui/base/l10n/l10n_util.h"
#include "ui/chromeos/events/keyboard_layout_util.h"
#include "ui/compositor/layer.h"
#include "ui/compositor/layer_animation_sequence.h"
#include "ui/compositor/layer_animator.h"
#include "ui/display/display.h"
#include "ui/display/manager/managed_display_info.h"
#include "ui/display/screen.h"
#include "ui/gfx/paint_vector_icon.h"
#include "ui/keyboard/keyboard_controller.h"
#include "ui/message_center/message_center.h"
namespace ash {
const char kNotifierAccelerator[] = "ash.accelerator-controller";
const char kHighContrastToggleAccelNotificationId[] =
"chrome://settings/accessibility/highcontrast";
namespace {
using base::UserMetricsAction;
using message_center::Notification;
using message_center::SystemNotificationWarningLevel;
// Toast id and duration for voice interaction shortcuts
const char kSecondaryUserToastId[] = "voice_interaction_secondary_user";
const char kUnsupportedLocaleToastId[] = "voice_interaction_locale_unsupported";
const char kPolicyDisabledToastId[] = "voice_interaction_policy_disabled";
const int kToastDurationMs = 2500;
// Ensures that there are no word breaks at the "+"s in the shortcut texts such
// as "Ctrl+Shift+Space".
void EnsureNoWordBreaks(base::string16* shortcut_text) {
std::vector<base::string16> keys =
base::SplitString(*shortcut_text, base::ASCIIToUTF16("+"),
base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
if (keys.size() < 2U)
return;
// The plus sign surrounded by the word joiner to guarantee an non-breaking
// shortcut.
const base::string16 non_breaking_plus =
base::UTF8ToUTF16("\xe2\x81\xa0+\xe2\x81\xa0");
shortcut_text->clear();
for (size_t i = 0; i < keys.size() - 1; ++i) {
*shortcut_text += keys[i];
*shortcut_text += non_breaking_plus;
}
*shortcut_text += keys.back();
}
// Gets the notification message after it formats it in such a way that there
// are no line breaks in the middle of the shortcut texts.
base::string16 GetNotificationText(int message_id,
int old_shortcut_id,
int new_shortcut_id) {
base::string16 old_shortcut = l10n_util::GetStringUTF16(old_shortcut_id);
base::string16 new_shortcut = l10n_util::GetStringUTF16(new_shortcut_id);
EnsureNoWordBreaks(&old_shortcut);
EnsureNoWordBreaks(&new_shortcut);
return l10n_util::GetStringFUTF16(message_id, new_shortcut, old_shortcut);
}
// Shows a warning the user is using a deprecated accelerator.
void ShowDeprecatedAcceleratorNotification(const char* const notification_id,
int message_id,
int old_shortcut_id,
int new_shortcut_id) {
const base::string16 message =
GetNotificationText(message_id, old_shortcut_id, new_shortcut_id);
auto delegate =
base::MakeRefCounted<message_center::HandleNotificationClickDelegate>(
base::BindRepeating([]() {
if (!Shell::Get()->session_controller()->IsUserSessionBlocked())
Shell::Get()->shell_delegate()->OpenKeyboardShortcutHelpPage();
}));
std::unique_ptr<Notification> notification =
message_center::Notification::CreateSystemNotification(
message_center::NOTIFICATION_TYPE_SIMPLE, notification_id,
l10n_util::GetStringUTF16(IDS_DEPRECATED_SHORTCUT_TITLE), message,
gfx::Image(), base::string16(), GURL(),
message_center::NotifierId(
message_center::NotifierId::SYSTEM_COMPONENT,
kNotifierAccelerator),
message_center::RichNotificationData(), std::move(delegate),
kNotificationKeyboardIcon, SystemNotificationWarningLevel::NORMAL);
notification->set_priority(message_center::SYSTEM_PRIORITY);
message_center::MessageCenter::Get()->AddNotification(
std::move(notification));
}
void ShowToast(std::string id, const base::string16& text) {
ToastData toast(id, text, kToastDurationMs, base::nullopt);
Shell::Get()->toast_manager()->Show(toast);
}
ui::Accelerator CreateAccelerator(ui::KeyboardCode keycode,
int modifiers,
bool trigger_on_press) {
ui::Accelerator accelerator(keycode, modifiers);
accelerator.set_key_state(trigger_on_press
? ui::Accelerator::KeyState::PRESSED
: ui::Accelerator::KeyState::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 RecordImeSwitchByAccelerator() {
UMA_HISTOGRAM_ENUMERATION("InputMethod.ImeSwitch",
ImeSwitchType::kAccelerator, ImeSwitchType::kCount);
}
void HandleCycleBackwardMRU(const ui::Accelerator& accelerator) {
if (accelerator.key_code() == ui::VKEY_TAB)
base::RecordAction(base::UserMetricsAction("Accel_PrevWindow_Tab"));
Shell::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"));
Shell::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;
}
}
Shell::Get()->focus_cycler()->RotateFocus(direction);
}
void HandleFocusShelf() {
base::RecordAction(UserMetricsAction("Accel_Focus_Shelf"));
// TODO(jamescook): Should this be GetRootWindowForNewWindows()?
Shelf* shelf = Shelf::ForWindow(Shell::GetPrimaryRootWindow());
Shell::Get()->focus_cycler()->FocusWidget(shelf->shelf_widget());
}
void HandleLaunchAppN(int n) {
base::RecordAction(UserMetricsAction("Accel_Launch_App"));
Shelf::LaunchShelfItem(n);
}
void HandleLaunchLastApp() {
base::RecordAction(UserMetricsAction("Accel_Launch_Last_App"));
Shelf::LaunchShelfItem(-1);
}
void HandleMediaNextTrack() {
base::RecordAction(UserMetricsAction("Accel_Media_Next_Track"));
Shell::Get()->media_controller()->HandleMediaNextTrack();
}
void HandleMediaPlayPause() {
base::RecordAction(UserMetricsAction("Accel_Media_PlayPause"));
Shell::Get()->media_controller()->HandleMediaPlayPause();
}
void HandleMediaPrevTrack() {
base::RecordAction(UserMetricsAction("Accel_Media_Prev_Track"));
Shell::Get()->media_controller()->HandleMediaPrevTrack();
}
void HandleToggleMirrorMode() {
base::RecordAction(UserMetricsAction("Accel_Toggle_Mirror_Mode"));
bool mirror = !Shell::Get()->display_manager()->IsInMirrorMode();
Shell::Get()->display_configuration_controller()->SetMirrorMode(mirror);
}
bool CanHandleNewIncognitoWindow() {
// Guest mode does not use incognito windows. The browser may have other
// restrictions on incognito mode (e.g. enterprise policy) but those are rare.
// For non-guest mode, consume the key and defer the decision to the browser.
base::Optional<user_manager::UserType> user_type =
Shell::Get()->session_controller()->GetUserType();
return user_type && *user_type != user_manager::USER_TYPE_GUEST;
}
void HandleNewIncognitoWindow() {
base::RecordAction(UserMetricsAction("Accel_New_Incognito_Window"));
Shell::Get()->new_window_controller()->NewWindow(true /* is_incognito */);
}
void HandleNewTab(const ui::Accelerator& accelerator) {
if (accelerator.key_code() == ui::VKEY_T)
base::RecordAction(UserMetricsAction("Accel_NewTab_T"));
Shell::Get()->new_window_controller()->NewTab();
}
void HandleNewWindow() {
base::RecordAction(UserMetricsAction("Accel_New_Window"));
Shell::Get()->new_window_controller()->NewWindow(false /* is_incognito */);
}
bool CanCycleInputMethod() {
return Shell::Get()->ime_controller()->CanSwitchIme();
}
bool CanHandleCycleMru(const ui::Accelerator& accelerator) {
// Don't do anything when Alt+Tab is hit while a virtual keyboard is showing.
// Touchscreen users have better window switching options. It would be
// preferable if we could tell whether this event actually came from a virtual
// keyboard, but there's no easy way to do so, thus we block Alt+Tab when the
// virtual keyboard is showing, even if it came from a real keyboard. See
// http://crbug.com/638269
keyboard::KeyboardController* keyboard_controller =
keyboard::KeyboardController::GetInstance();
return !(keyboard_controller && keyboard_controller->keyboard_visible());
}
void HandleNextIme() {
base::RecordAction(UserMetricsAction("Accel_Next_Ime"));
RecordImeSwitchByAccelerator();
Shell::Get()->ime_controller()->SwitchToNextIme();
}
void HandleOpenFeedbackPage() {
base::RecordAction(UserMetricsAction("Accel_Open_Feedback_Page"));
Shell::Get()->new_window_controller()->OpenFeedbackPage();
}
void HandlePreviousIme(const ui::Accelerator& accelerator) {
base::RecordAction(UserMetricsAction("Accel_Previous_Ime"));
if (accelerator.key_state() == ui::Accelerator::KeyState::PRESSED) {
RecordImeSwitchByAccelerator();
Shell::Get()->ime_controller()->SwitchToPreviousIme();
}
// Else: consume the Ctrl+Space ET_KEY_RELEASED event but do not do anything.
}
display::Display::Rotation GetNextRotation(display::Display::Rotation current) {
switch (current) {
case display::Display::ROTATE_0:
return display::Display::ROTATE_90;
case display::Display::ROTATE_90:
return display::Display::ROTATE_180;
case display::Display::ROTATE_180:
return display::Display::ROTATE_270;
case display::Display::ROTATE_270:
return display::Display::ROTATE_0;
}
NOTREACHED() << "Unknown rotation:" << current;
return display::Display::ROTATE_0;
}
// Rotates the screen.
void HandleRotateScreen() {
if (Shell::Get()->display_manager()->IsInUnifiedMode())
return;
base::RecordAction(UserMetricsAction("Accel_Rotate_Screen"));
gfx::Point point = display::Screen::GetScreen()->GetCursorScreenPoint();
display::Display display =
display::Screen::GetScreen()->GetDisplayNearestPoint(point);
const display::ManagedDisplayInfo& display_info =
Shell::Get()->display_manager()->GetDisplayInfo(display.id());
Shell::Get()->display_configuration_controller()->SetDisplayRotation(
display.id(), GetNextRotation(display_info.GetActiveRotation()),
display::Display::RotationSource::USER);
}
void HandleRestoreTab() {
base::RecordAction(UserMetricsAction("Accel_Restore_Tab"));
Shell::Get()->new_window_controller()->RestoreTab();
}
// Rotate the active window.
void HandleRotateActiveWindow() {
base::RecordAction(UserMetricsAction("Accel_Rotate_Active_Window"));
aura::Window* active_window = wm::GetActiveWindow();
if (!active_window)
return;
// The rotation animation bases its target transform on the current
// rotation and position. Since there could be an animation in progress
// right now, queue this animation so when it starts it picks up a neutral
// rotation and position. Use replace so we only enqueue one at a time.
active_window->layer()->GetAnimator()->set_preemption_strategy(
ui::LayerAnimator::REPLACE_QUEUED_ANIMATIONS);
active_window->layer()->GetAnimator()->StartAnimation(
new ui::LayerAnimationSequence(
std::make_unique<WindowRotation>(360, active_window->layer())));
}
void HandleShowKeyboardOverlay() {
base::RecordAction(UserMetricsAction("Accel_Show_Keyboard_Overlay"));
Shell::Get()->new_window_controller()->ShowKeyboardOverlay();
}
void HandleTakeWindowScreenshot() {
base::RecordAction(UserMetricsAction("Accel_Take_Window_Screenshot"));
Shell::Get()->screenshot_controller()->StartWindowScreenshotSession();
}
void HandleTakePartialScreenshot() {
base::RecordAction(UserMetricsAction("Accel_Take_Partial_Screenshot"));
Shell::Get()->screenshot_controller()->StartPartialScreenshotSession(
true /* draw_overlay_immediately */);
}
void HandleTakeScreenshot() {
base::RecordAction(UserMetricsAction("Accel_Take_Screenshot"));
Shell::Get()->screenshot_controller()->TakeScreenshotForAllRootWindows();
}
bool CanHandleToggleMessageCenterBubble() {
if (features::IsSystemTrayUnifiedEnabled())
return false;
aura::Window* target_root = Shell::GetRootWindowForNewWindows();
StatusAreaWidget* status_area_widget =
Shelf::ForWindow(target_root)->shelf_widget()->status_area_widget();
return status_area_widget &&
status_area_widget->notification_tray()->visible();
}
void HandleToggleMessageCenterBubble() {
base::RecordAction(UserMetricsAction("Accel_Toggle_Message_Center_Bubble"));
aura::Window* target_root = Shell::GetRootWindowForNewWindows();
StatusAreaWidget* status_area_widget =
Shelf::ForWindow(target_root)->shelf_widget()->status_area_widget();
if (!status_area_widget)
return;
NotificationTray* notification_tray = status_area_widget->notification_tray();
if (!notification_tray->visible())
return;
if (notification_tray->IsMessageCenterVisible())
notification_tray->CloseBubble();
else
notification_tray->ShowBubble(false /* show_by_click */);
}
void HandleToggleSystemTrayBubble() {
base::RecordAction(UserMetricsAction("Accel_Toggle_System_Tray_Bubble"));
aura::Window* target_root = Shell::GetRootWindowForNewWindows();
if (features::IsSystemTrayUnifiedEnabled()) {
UnifiedSystemTray* tray = RootWindowController::ForWindow(target_root)
->GetStatusAreaWidget()
->unified_system_tray();
if (tray->IsBubbleShown())
tray->CloseBubble();
else
tray->ShowBubble(false /* show_by_click */);
} else {
SystemTray* tray =
RootWindowController::ForWindow(target_root)->GetSystemTray();
if (tray->HasSystemBubble()) {
tray->CloseBubble();
} else {
tray->ShowDefaultView(BUBBLE_CREATE_NEW, false /* show_by_click */);
tray->ActivateBubble();
}
}
}
void HandleShowTaskManager() {
base::RecordAction(UserMetricsAction("Accel_Show_Task_Manager"));
Shell::Get()->new_window_controller()->ShowTaskManager();
}
void HandleSwapPrimaryDisplay() {
base::RecordAction(UserMetricsAction("Accel_Swap_Primary_Display"));
// TODO(rjkroege): This is not correct behaviour on devices with more than
// two screens. Behave the same as mirroring: fail and notify if there are
// three or more screens.
Shell::Get()->display_configuration_controller()->SetPrimaryDisplayId(
Shell::Get()->display_manager()->GetSecondaryDisplay().id());
}
bool CanHandleSwitchIme(const ui::Accelerator& accelerator) {
return Shell::Get()->ime_controller()->CanSwitchImeWithAccelerator(
accelerator);
}
void HandleSwitchIme(const ui::Accelerator& accelerator) {
base::RecordAction(UserMetricsAction("Accel_Switch_Ime"));
RecordImeSwitchByAccelerator();
Shell::Get()->ime_controller()->SwitchImeWithAccelerator(accelerator);
}
bool CanHandleToggleAppList(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.
if (previous_accelerator.key_state() !=
ui::Accelerator::KeyState::PRESSED ||
previous_accelerator.key_code() != ui::VKEY_LWIN ||
previous_accelerator.interrupted_by_mouse_event()) {
return false;
}
// When spoken feedback is enabled, we should neither toggle the list nor
// consume the key since Search+Shift is one of the shortcuts the a11y
// feature uses. crbug.com/132296
if (Shell::Get()->accessibility_controller()->IsSpokenFeedbackEnabled())
return false;
}
return true;
}
void HandleToggleAppList(const ui::Accelerator& accelerator) {
if (Shell::Get()
->app_list_controller()
->IsHomeLauncherEnabledInTabletMode()) {
return;
}
if (accelerator.key_code() == ui::VKEY_LWIN)
base::RecordAction(UserMetricsAction("Accel_Search_LWin"));
Shell::Get()->app_list_controller()->ToggleAppList(
display::Screen::GetScreen()
->GetDisplayNearestWindow(Shell::GetRootWindowForNewWindows())
.id(),
app_list::kSearchKey, accelerator.time_stamp());
}
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"));
Shell::Get()->window_selector_controller()->ToggleOverview();
}
void HandleToggleUnifiedDesktop() {
Shell::Get()->display_manager()->SetUnifiedDesktopEnabled(
!Shell::Get()->display_manager()->unified_desktop_enabled());
}
bool CanHandleWindowSnap() {
aura::Window* active_window = wm::GetActiveWindow();
if (!active_window)
return false;
wm::WindowState* window_state = wm::GetWindowState(active_window);
// 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 HandleWindowSnap(AcceleratorAction action) {
if (action == WINDOW_CYCLE_SNAP_LEFT)
base::RecordAction(UserMetricsAction("Accel_Window_Snap_Left"));
else
base::RecordAction(UserMetricsAction("Accel_Window_Snap_Right"));
const wm::WMEvent event(action == WINDOW_CYCLE_SNAP_LEFT
? wm::WM_EVENT_CYCLE_SNAP_LEFT
: wm::WM_EVENT_CYCLE_SNAP_RIGHT);
aura::Window* active_window = wm::GetActiveWindow();
DCHECK(active_window);
wm::GetWindowState(active_window)->OnWMEvent(&event);
}
void HandleWindowMinimize() {
base::RecordAction(base::UserMetricsAction("Accel_Toggle_Minimized_Minus"));
accelerators::ToggleMinimized();
}
bool CanHandlePositionCenter() {
return wm::GetActiveWindow() != nullptr;
}
void HandlePositionCenter() {
base::RecordAction(UserMetricsAction("Accel_Window_Position_Center"));
wm::CenterWindow(wm::GetActiveWindow());
}
void HandleShowImeMenuBubble() {
base::RecordAction(UserMetricsAction("Accel_Show_Ime_Menu_Bubble"));
StatusAreaWidget* status_area_widget =
Shelf::ForWindow(Shell::GetPrimaryRootWindow())->GetStatusAreaWidget();
if (status_area_widget) {
ImeMenuTray* ime_menu_tray = status_area_widget->ime_menu_tray();
if (ime_menu_tray && ime_menu_tray->visible() &&
!ime_menu_tray->GetBubbleView()) {
ime_menu_tray->ShowBubble(false /* show_by_click */);
}
}
}
void HandleCrosh() {
base::RecordAction(UserMetricsAction("Accel_Open_Crosh"));
Shell::Get()->new_window_controller()->OpenCrosh();
}
bool CanHandleDisableCapsLock(const ui::Accelerator& previous_accelerator) {
ui::KeyboardCode previous_key_code = previous_accelerator.key_code();
if (previous_accelerator.key_state() == ui::Accelerator::KeyState::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;
}
return Shell::Get()->ime_controller()->IsCapsLockEnabled();
}
void HandleDisableCapsLock() {
base::RecordAction(UserMetricsAction("Accel_Disable_Caps_Lock"));
Shell::Get()->ime_controller()->SetCapsLockEnabled(false);
}
void HandleFileManager() {
base::RecordAction(UserMetricsAction("Accel_Open_File_Manager"));
Shell::Get()->new_window_controller()->OpenFileManager();
}
void HandleGetHelp() {
Shell::Get()->new_window_controller()->OpenGetHelp();
}
bool CanHandleLock() {
return Shell::Get()->session_controller()->CanLockScreen();
}
void HandleLock() {
base::RecordAction(UserMetricsAction("Accel_LockScreen_L"));
Shell::Get()->session_controller()->LockScreen();
}
PaletteTray* GetPaletteTray() {
return Shelf::ForWindow(Shell::GetRootWindowForNewWindows())
->GetStatusAreaWidget()
->palette_tray();
}
void HandleShowStylusTools() {
base::RecordAction(UserMetricsAction("Accel_Show_Stylus_Tools"));
GetPaletteTray()->ShowBubble(false /* show_by_click */);
}
bool CanHandleShowStylusTools() {
return GetPaletteTray()->ShouldShowPalette();
}
bool CanHandleStartVoiceInteraction() {
return chromeos::switches::IsVoiceInteractionFlagsEnabled() ||
chromeos::switches::IsAssistantEnabled();
}
void HandleToggleVoiceInteraction(const ui::Accelerator& accelerator) {
if (accelerator.IsCmdDown() && accelerator.key_code() == ui::VKEY_SPACE) {
base::RecordAction(
base::UserMetricsAction("VoiceInteraction.Started.Search_Space"));
} else if (accelerator.IsCmdDown() && accelerator.key_code() == ui::VKEY_A) {
// Search+A shortcut is disabled on device with an assistant key.
if (ui::DeviceUsesKeyboardLayout2())
return;
base::RecordAction(
base::UserMetricsAction("VoiceInteraction.Started.Search_A"));
} else if (accelerator.key_code() == ui::VKEY_ASSISTANT) {
base::RecordAction(
base::UserMetricsAction("VoiceInteraction.Started.Assistant"));
}
// TODO(dmblack): Remove. Enabling eligibility check bypass for development
// purposes only. We should otherwise respect the eligibility rules below.
if (chromeos::switches::IsAssistantEnabled()) {
Shell::Get()->ash_assistant_controller()->ToggleInteraction();
return;
}
switch (Shell::Get()->voice_interaction_controller()->allowed_state()) {
case mojom::AssistantAllowedState::DISALLOWED_BY_NONPRIMARY_USER:
// Show a toast if the active user is not primary.
ShowToast(kSecondaryUserToastId,
l10n_util::GetStringUTF16(
IDS_ASH_VOICE_INTERACTION_SECONDARY_USER_TOAST_MESSAGE));
return;
case mojom::AssistantAllowedState::DISALLOWED_BY_LOCALE:
// Show a toast if voice interaction is disabled due to unsupported
// locales.
ShowToast(
kUnsupportedLocaleToastId,
l10n_util::GetStringUTF16(
IDS_ASH_VOICE_INTERACTION_LOCALE_UNSUPPORTED_TOAST_MESSAGE));
return;
case mojom::AssistantAllowedState::DISALLOWED_BY_ARC_POLICY:
// Show a toast if voice interaction is disabled due to enterprise policy.
ShowToast(kPolicyDisabledToastId,
l10n_util::GetStringUTF16(
IDS_ASH_VOICE_INTERACTION_DISABLED_BY_POLICY_MESSAGE));
return;
case mojom::AssistantAllowedState::DISALLOWED_BY_ARC_DISALLOWED:
case mojom::AssistantAllowedState::DISALLOWED_BY_FLAG:
case mojom::AssistantAllowedState::DISALLOWED_BY_SUPERVISED_USER:
case mojom::AssistantAllowedState::DISALLOWED_BY_INCOGNITO:
// TODO(xiaohuic): show a specific toast.
return;
case mojom::AssistantAllowedState::ALLOWED:
// Nothing need to do if allowed.
break;
}
if (!chromeos::switches::IsAssistantEnabled())
Shell::Get()->app_list_controller()->ToggleVoiceInteractionSession();
else
Shell::Get()->ash_assistant_controller()->ToggleInteraction();
}
void HandleSuspend() {
base::RecordAction(UserMetricsAction("Accel_Suspend"));
chromeos::DBusThreadManager::Get()->GetPowerManagerClient()->RequestSuspend();
}
bool CanHandleCycleUser() {
return Shell::Get()->session_controller()->NumberOfLoggedInUsers() > 1;
}
void HandleCycleUser(CycleUserDirection direction) {
MultiProfileUMA::RecordSwitchActiveUser(
MultiProfileUMA::SWITCH_ACTIVE_USER_BY_ACCELERATOR);
switch (direction) {
case CycleUserDirection::NEXT:
base::RecordAction(UserMetricsAction("Accel_Switch_To_Next_User"));
break;
case CycleUserDirection::PREVIOUS:
base::RecordAction(UserMetricsAction("Accel_Switch_To_Previous_User"));
break;
}
Shell::Get()->session_controller()->CycleActiveUser(direction);
}
bool CanHandleToggleCapsLock(const ui::Accelerator& accelerator,
const ui::Accelerator& previous_accelerator) {
// This shortcust is set to be trigger on release. Either the current
// accelerator is a Search release or Alt release.
if (accelerator.key_code() == ui::VKEY_LWIN &&
accelerator.key_state() == ui::Accelerator::KeyState::RELEASED) {
// The previous must be either an Alt press or Search press:
// 1. Press Alt, Press Search, Release Search, Release Alt.
// 2. Press Search, Press Alt, Release Search, Release Alt.
if (previous_accelerator.key_state() ==
ui::Accelerator::KeyState::PRESSED &&
(previous_accelerator.key_code() == ui::VKEY_LWIN ||
previous_accelerator.key_code() == ui::VKEY_MENU)) {
return true;
}
}
// Alt release.
if (accelerator.key_code() == ui::VKEY_MENU &&
accelerator.key_state() == ui::Accelerator::KeyState::RELEASED) {
// The previous must be either an Alt press or Search press:
// 3. Press Alt, Press Search, Release Alt, Release Search.
// 4. Press Search, Press Alt, Release Alt, Release Search.
if (previous_accelerator.key_state() ==
ui::Accelerator::KeyState::PRESSED &&
(previous_accelerator.key_code() == ui::VKEY_LWIN ||
previous_accelerator.key_code() == ui::VKEY_MENU)) {
return true;
}
}
return false;
}
void HandleToggleCapsLock() {
base::RecordAction(UserMetricsAction("Accel_Toggle_Caps_Lock"));
ImeController* ime_controller = Shell::Get()->ime_controller();
ime_controller->SetCapsLockEnabled(!ime_controller->IsCapsLockEnabled());
}
bool CanHandleToggleDictation() {
return chromeos::switches::AreExperimentalAccessibilityFeaturesEnabled();
}
void HandleToggleDictation() {
base::RecordAction(UserMetricsAction("Accel_Toggle_Dictation"));
Shell::Get()->accessibility_controller()->ToggleDictation();
}
bool CanHandleToggleDockedMagnifier() {
if (Shell::GetAshConfig() == Config::MASH) {
// TODO: Mash support for the Docked Magnifier https://crbug.com/814481.
NOTIMPLEMENTED();
return false;
}
return features::IsDockedMagnifierEnabled();
}
void HandleToggleDockedMagnifier() {
DCHECK(features::IsDockedMagnifierEnabled());
base::RecordAction(UserMetricsAction("Accel_Toggle_Docked_Magnifier"));
DockedMagnifierController* docked_magnifier_controller =
Shell::Get()->docked_magnifier_controller();
const bool current_enabled = docked_magnifier_controller->GetEnabled();
docked_magnifier_controller->SetEnabled(!current_enabled);
}
void HandleToggleHighContrast() {
base::RecordAction(UserMetricsAction("Accel_Toggle_High_Contrast"));
AccessibilityController* controller =
Shell::Get()->accessibility_controller();
bool will_be_enabled = !controller->IsHighContrastEnabled();
if (will_be_enabled) {
// Show a notification so the user knows that this accelerator toggled
// high contrast mode, and that they can press it again to toggle back.
// The message center automatically only shows this once per session.
std::unique_ptr<Notification> notification =
Notification::CreateSystemNotification(
message_center::NOTIFICATION_TYPE_SIMPLE,
kHighContrastToggleAccelNotificationId,
l10n_util::GetStringUTF16(IDS_HIGH_CONTRAST_ACCEL_TITLE),
l10n_util::GetStringUTF16(IDS_HIGH_CONTRAST_ACCEL_MSG),
gfx::Image(), base::string16() /* display source */, GURL(),
message_center::NotifierId(
message_center::NotifierId::SYSTEM_COMPONENT,
kNotifierAccelerator),
message_center::RichNotificationData(), nullptr,
kNotificationAccessibilityIcon,
SystemNotificationWarningLevel::NORMAL);
notification->set_priority(message_center::SYSTEM_PRIORITY);
message_center::MessageCenter::Get()->AddNotification(
std::move(notification));
} else {
message_center::MessageCenter::Get()->RemoveNotification(
kHighContrastToggleAccelNotificationId, false /* by_user */);
}
controller->SetHighContrastEnabled(will_be_enabled);
}
bool CanHandleToggleFullscreenMagnifier() {
if (Shell::GetAshConfig() == Config::MASH) {
// TODO: Mash support for the Fullscreen Magnifier
// https://crbug.com/821551.
NOTIMPLEMENTED();
return false;
}
return true;
}
void HandleToggleFullscreenMagnifier() {
base::RecordAction(UserMetricsAction("Accel_Toggle_Fullscreen_Magnifier"));
MagnificationController* fullscreen_magnifier_controller =
Shell::Get()->magnification_controller();
const bool current_enabled = fullscreen_magnifier_controller->IsEnabled();
fullscreen_magnifier_controller->SetEnabled(!current_enabled);
}
void HandleToggleSpokenFeedback() {
base::RecordAction(UserMetricsAction("Accel_Toggle_Spoken_Feedback"));
AccessibilityController* controller =
Shell::Get()->accessibility_controller();
controller->SetSpokenFeedbackEnabled(!controller->IsSpokenFeedbackEnabled(),
A11Y_NOTIFICATION_SHOW);
}
void HandleVolumeDown(mojom::VolumeController* volume_controller,
const ui::Accelerator& accelerator) {
if (accelerator.key_code() == ui::VKEY_VOLUME_DOWN)
base::RecordAction(UserMetricsAction("Accel_VolumeDown_F9"));
if (volume_controller)
volume_controller->VolumeDown();
}
void HandleVolumeMute(mojom::VolumeController* volume_controller,
const ui::Accelerator& accelerator) {
if (accelerator.key_code() == ui::VKEY_VOLUME_MUTE)
base::RecordAction(UserMetricsAction("Accel_VolumeMute_F8"));
if (volume_controller)
volume_controller->VolumeMute();
}
void HandleVolumeUp(mojom::VolumeController* volume_controller,
const ui::Accelerator& accelerator) {
if (accelerator.key_code() == ui::VKEY_VOLUME_UP)
base::RecordAction(UserMetricsAction("Accel_VolumeUp_F10"));
if (volume_controller)
volume_controller->VolumeUp();
}
bool CanHandleActiveMagnifierZoom() {
return Shell::Get()->magnification_controller()->IsEnabled() ||
(features::IsDockedMagnifierEnabled() &&
Shell::Get()->docked_magnifier_controller()->GetEnabled());
}
// Change the scale of the active magnifier.
void HandleActiveMagnifierZoom(int delta_index) {
// TODO(crbug.com/612331): Mash support.
if (Shell::GetAshConfig() == Config::MASH) {
NOTIMPLEMENTED();
return;
}
if (Shell::Get()->magnification_controller()->IsEnabled()) {
Shell::Get()->magnification_controller()->StepToNextScaleValue(delta_index);
return;
}
if (features::IsDockedMagnifierEnabled() &&
Shell::Get()->docked_magnifier_controller()->GetEnabled()) {
Shell::Get()->docked_magnifier_controller()->StepToNextScaleValue(
delta_index);
}
}
bool CanHandleTouchHud() {
// TODO(crbug.com/612331): Mash support.
if (Shell::GetAshConfig() == Config::MASH)
return false;
return RootWindowController::ForTargetRootWindow()->touch_hud_debug();
}
void HandleTouchHudClear() {
// TODO(crbug.com/612331): Mash support.
if (Shell::GetAshConfig() == Config::MASH) {
NOTIMPLEMENTED();
return;
}
RootWindowController::ForTargetRootWindow()->touch_hud_debug()->Clear();
}
void HandleTouchHudModeChange() {
// TODO(crbug.com/612331): Mash support.
if (Shell::GetAshConfig() == Config::MASH) {
NOTIMPLEMENTED();
return;
}
RootWindowController* controller =
RootWindowController::ForTargetRootWindow();
controller->touch_hud_debug()->ChangeToNextMode();
}
} // namespace
////////////////////////////////////////////////////////////////////////////////
// AcceleratorController, public:
AcceleratorController::AcceleratorController(
ui::AcceleratorManagerDelegate* manager_delegate)
: accelerator_manager_(new ui::AcceleratorManager(manager_delegate)),
accelerator_history_(new ui::AcceleratorHistory) {
Init();
}
AcceleratorController::~AcceleratorController() = default;
void AcceleratorController::Register(
const std::vector<ui::Accelerator>& accelerators,
ui::AcceleratorTarget* target) {
accelerator_manager_->Register(
accelerators, 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::IsActionForAcceleratorEnabled(
const ui::Accelerator& accelerator) const {
std::map<ui::Accelerator, AcceleratorAction>::const_iterator it =
accelerators_.find(accelerator);
return it != accelerators_.end() && CanPerformAction(it->second, accelerator);
}
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);
}
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))
return false;
// Handling the deprecated accelerators (if any) only if action can be
// performed.
if (MaybeDeprecatedAcceleratorPressed(action, accelerator) ==
AcceleratorProcessingStatus::STOP) {
return false;
}
PerformAction(action, accelerator);
return ShouldActionConsumeKeyEvent(action);
}
bool AcceleratorController::CanHandleAccelerators() const {
return true;
}
void AcceleratorController::BindRequest(
mojom::AcceleratorControllerRequest request) {
bindings_.AddBinding(this, std::move(request));
}
void AcceleratorController::SetVolumeController(
mojom::VolumeControllerPtr controller) {
volume_controller_ = std::move(controller);
}
///////////////////////////////////////////////////////////////////////////////
// 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 < kActionsAllowedAtPowerMenuLength; ++i)
actions_allowed_at_power_menu_.insert(kActionsAllowedAtPowerMenu[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);
}
if (debug::DeveloperAcceleratorsEnabled()) {
RegisterAccelerators(kDeveloperAcceleratorData,
kDeveloperAcceleratorDataLength);
// Developer accelerators are also reserved.
for (size_t i = 0; i < kDeveloperAcceleratorDataLength; ++i)
reserved_actions_.insert(kDeveloperAcceleratorData[i].action);
}
}
void AcceleratorController::RegisterAccelerators(
const AcceleratorData accelerators[],
size_t accelerators_length) {
std::vector<ui::Accelerator> ui_accelerators;
for (size_t i = 0; i < accelerators_length; ++i) {
ui::Accelerator accelerator =
CreateAccelerator(accelerators[i].keycode, accelerators[i].modifiers,
accelerators[i].trigger_on_press);
ui_accelerators.push_back(accelerator);
accelerators_.insert(std::make_pair(accelerator, accelerators[i].action));
}
Register(ui_accelerators, this);
}
void AcceleratorController::RegisterDeprecatedAccelerators() {
for (size_t i = 0; i < kDeprecatedAcceleratorsDataLength; ++i) {
const DeprecatedAcceleratorData* data = &kDeprecatedAcceleratorsData[i];
actions_with_deprecations_[data->action] = data;
}
std::vector<ui::Accelerator> ui_accelerators;
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);
ui_accelerators.push_back(deprecated_accelerator);
accelerators_[deprecated_accelerator] = accelerator_data.action;
deprecated_accelerators_.insert(deprecated_accelerator);
}
Register(ui_accelerators, this);
}
bool AcceleratorController::CanPerformAction(
AcceleratorAction action,
const ui::Accelerator& accelerator) const {
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 CYCLE_BACKWARD_MRU:
case CYCLE_FORWARD_MRU:
return CanHandleCycleMru(accelerator);
case DEBUG_PRINT_LAYER_HIERARCHY:
case DEBUG_PRINT_VIEW_HIERARCHY:
case DEBUG_PRINT_WINDOW_HIERARCHY:
case DEBUG_SHOW_TOAST:
case DEBUG_TOGGLE_DEVICE_SCALE_FACTOR:
case DEBUG_TOGGLE_SHOW_DEBUG_BORDERS:
case DEBUG_TOGGLE_SHOW_FPS_COUNTER:
case DEBUG_TOGGLE_SHOW_PAINT_RECTS:
case DEBUG_TOGGLE_TOUCH_PAD:
case DEBUG_TOGGLE_TOUCH_SCREEN:
case DEBUG_TOGGLE_TABLET_MODE:
case DEBUG_TOGGLE_WALLPAPER_MODE:
case DEBUG_TRIGGER_CRASH:
return debug::DebugAcceleratorsEnabled();
case DEV_ADD_REMOVE_DISPLAY:
case DEV_TOGGLE_UNIFIED_DESKTOP:
return debug::DeveloperAcceleratorsEnabled();
case DISABLE_CAPS_LOCK:
return CanHandleDisableCapsLock(previous_accelerator);
case LOCK_SCREEN:
return CanHandleLock();
case MAGNIFIER_ZOOM_IN:
case MAGNIFIER_ZOOM_OUT:
return CanHandleActiveMagnifierZoom();
case MOVE_ACTIVE_WINDOW_BETWEEN_DISPLAYS:
return display_move_window_util::
CanHandleMoveActiveWindowBetweenDisplays();
case NEW_INCOGNITO_WINDOW:
return CanHandleNewIncognitoWindow();
case NEXT_IME:
return CanCycleInputMethod();
case PREVIOUS_IME:
return CanCycleInputMethod();
case ROTATE_SCREEN:
return true;
case SCALE_UI_DOWN:
case SCALE_UI_RESET:
case SCALE_UI_UP:
return accelerators::IsInternalDisplayZoomEnabled();
case SHOW_STYLUS_TOOLS:
return CanHandleShowStylusTools();
case START_VOICE_INTERACTION:
return CanHandleStartVoiceInteraction();
case SWAP_PRIMARY_DISPLAY:
return display::Screen::GetScreen()->GetNumDisplays() > 1;
case SWITCH_IME:
return CanHandleSwitchIme(accelerator);
case SWITCH_TO_PREVIOUS_USER:
case SWITCH_TO_NEXT_USER:
return CanHandleCycleUser();
case TOGGLE_APP_LIST:
return CanHandleToggleAppList(accelerator, previous_accelerator);
case TOGGLE_CAPS_LOCK:
return CanHandleToggleCapsLock(accelerator, previous_accelerator);
case TOGGLE_DICTATION:
return CanHandleToggleDictation();
case TOGGLE_DOCKED_MAGNIFIER:
return CanHandleToggleDockedMagnifier();
case TOGGLE_FULLSCREEN_MAGNIFIER:
return CanHandleToggleFullscreenMagnifier();
case TOGGLE_MESSAGE_CENTER_BUBBLE:
return CanHandleToggleMessageCenterBubble();
case TOGGLE_MIRROR_MODE:
return true;
case TOUCH_HUD_CLEAR:
case TOUCH_HUD_MODE_CHANGE:
return CanHandleTouchHud();
case UNPIN:
return accelerators::CanUnpinWindow();
case WINDOW_CYCLE_SNAP_LEFT:
case WINDOW_CYCLE_SNAP_RIGHT:
return CanHandleWindowSnap();
case WINDOW_POSITION_CENTER:
return CanHandlePositionCenter();
// The following are always enabled.
case BRIGHTNESS_DOWN:
case BRIGHTNESS_UP:
case EXIT:
case FOCUS_NEXT_PANE:
case FOCUS_PREVIOUS_PANE:
case FOCUS_SHELF:
case KEYBOARD_BRIGHTNESS_DOWN:
case KEYBOARD_BRIGHTNESS_UP:
case LAUNCH_APP_0:
case LAUNCH_APP_1:
case LAUNCH_APP_2:
case LAUNCH_APP_3:
case LAUNCH_APP_4:
case LAUNCH_APP_5:
case LAUNCH_APP_6:
case LAUNCH_APP_7:
case LAUNCH_LAST_APP:
case LOCK_PRESSED:
case LOCK_RELEASED:
case MEDIA_NEXT_TRACK:
case MEDIA_PLAY_PAUSE:
case MEDIA_PREV_TRACK:
case NEW_TAB:
case NEW_WINDOW:
case OPEN_CROSH:
case OPEN_FEEDBACK_PAGE:
case OPEN_FILE_MANAGER:
case OPEN_GET_HELP:
case POWER_PRESSED:
case POWER_RELEASED:
case PRINT_UI_HIERARCHIES:
case RESTORE_TAB:
case ROTATE_WINDOW:
case SHOW_IME_MENU_BUBBLE:
case SHOW_KEYBOARD_OVERLAY:
case SHOW_TASK_MANAGER:
case SUSPEND:
case TAKE_PARTIAL_SCREENSHOT:
case TAKE_SCREENSHOT:
case TAKE_WINDOW_SCREENSHOT:
case TOGGLE_FULLSCREEN:
case TOGGLE_HIGH_CONTRAST:
case TOGGLE_MAXIMIZED:
case TOGGLE_OVERVIEW:
case TOGGLE_SPOKEN_FEEDBACK:
case TOGGLE_SYSTEM_TRAY_BUBBLE:
case TOGGLE_WIFI:
case VOLUME_DOWN:
case VOLUME_MUTE:
case VOLUME_UP:
case WINDOW_MINIMIZE:
return true;
}
}
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 BRIGHTNESS_DOWN: {
BrightnessControlDelegate* delegate =
Shell::Get()->brightness_control_delegate();
if (delegate)
delegate->HandleBrightnessDown(accelerator);
break;
}
case BRIGHTNESS_UP: {
BrightnessControlDelegate* delegate =
Shell::Get()->brightness_control_delegate();
if (delegate)
delegate->HandleBrightnessUp(accelerator);
break;
}
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:
case DEBUG_SHOW_TOAST:
case DEBUG_TOGGLE_DEVICE_SCALE_FACTOR:
debug::PerformDebugActionIfEnabled(action);
break;
case DEBUG_TOGGLE_SHOW_DEBUG_BORDERS:
debug::ToggleShowDebugBorders();
break;
case DEBUG_TOGGLE_SHOW_FPS_COUNTER:
debug::ToggleShowFpsCounter();
break;
case DEBUG_TOGGLE_SHOW_PAINT_RECTS:
debug::ToggleShowPaintRects();
break;
case DEBUG_TOGGLE_TOUCH_PAD:
case DEBUG_TOGGLE_TOUCH_SCREEN:
case DEBUG_TOGGLE_TABLET_MODE:
case DEBUG_TOGGLE_WALLPAPER_MODE:
case DEBUG_TRIGGER_CRASH:
debug::PerformDebugActionIfEnabled(action);
break;
case DEV_ADD_REMOVE_DISPLAY:
Shell::Get()->display_manager()->AddRemoveDisplay();
break;
case DEV_TOGGLE_UNIFIED_DESKTOP:
HandleToggleUnifiedDesktop();
break;
case DISABLE_CAPS_LOCK:
HandleDisableCapsLock();
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 FOCUS_SHELF:
HandleFocusShelf();
break;
case KEYBOARD_BRIGHTNESS_DOWN: {
KeyboardBrightnessControlDelegate* delegate =
Shell::Get()->keyboard_brightness_control_delegate();
if (delegate)
delegate->HandleKeyboardBrightnessDown(accelerator);
break;
}
case KEYBOARD_BRIGHTNESS_UP: {
KeyboardBrightnessControlDelegate* delegate =
Shell::Get()->keyboard_brightness_control_delegate();
if (delegate)
delegate->HandleKeyboardBrightnessUp(accelerator);
break;
}
case LAUNCH_APP_0:
HandleLaunchAppN(0);
break;
case LAUNCH_APP_1:
HandleLaunchAppN(1);
break;
case LAUNCH_APP_2:
HandleLaunchAppN(2);
break;
case LAUNCH_APP_3:
HandleLaunchAppN(3);
break;
case LAUNCH_APP_4:
HandleLaunchAppN(4);
break;
case LAUNCH_APP_5:
HandleLaunchAppN(5);
break;
case LAUNCH_APP_6:
HandleLaunchAppN(6);
break;
case LAUNCH_APP_7:
HandleLaunchAppN(7);
break;
case LAUNCH_LAST_APP:
HandleLaunchLastApp();
break;
case LOCK_PRESSED:
case LOCK_RELEASED:
Shell::Get()->power_button_controller()->OnLockButtonEvent(
action == LOCK_PRESSED, base::TimeTicks());
break;
case LOCK_SCREEN:
HandleLock();
break;
case MAGNIFIER_ZOOM_IN:
HandleActiveMagnifierZoom(1);
break;
case MAGNIFIER_ZOOM_OUT:
HandleActiveMagnifierZoom(-1);
break;
case MEDIA_NEXT_TRACK:
HandleMediaNextTrack();
break;
case MEDIA_PLAY_PAUSE:
HandleMediaPlayPause();
break;
case MEDIA_PREV_TRACK:
HandleMediaPrevTrack();
break;
case MOVE_ACTIVE_WINDOW_BETWEEN_DISPLAYS:
display_move_window_util::HandleMoveActiveWindowBetweenDisplays();
break;
case NEW_INCOGNITO_WINDOW:
HandleNewIncognitoWindow();
break;
case NEW_TAB:
HandleNewTab(accelerator);
break;
case NEW_WINDOW:
HandleNewWindow();
break;
case NEXT_IME:
HandleNextIme();
break;
case OPEN_CROSH:
HandleCrosh();
break;
case OPEN_FEEDBACK_PAGE:
HandleOpenFeedbackPage();
break;
case OPEN_FILE_MANAGER:
HandleFileManager();
break;
case OPEN_GET_HELP:
HandleGetHelp();
break;
case POWER_PRESSED:
case POWER_RELEASED:
if (!base::SysInfo::IsRunningOnChromeOS()) {
// There is no powerd, the Chrome OS power manager, in linux desktop,
// so call the PowerButtonController here.
Shell::Get()->power_button_controller()->OnPowerButtonEvent(
action == POWER_PRESSED, base::TimeTicks());
}
// We don't do anything with these at present on the device,
// (power button events are reported to us from powerm via
// D-BUS), but we consume them to prevent them from getting
// passed to apps -- see http://crbug.com/146609.
break;
case PREVIOUS_IME:
HandlePreviousIme(accelerator);
break;
case PRINT_UI_HIERARCHIES:
debug::PrintUIHierarchies();
break;
case ROTATE_SCREEN:
HandleRotateScreen();
break;
case RESTORE_TAB:
HandleRestoreTab();
break;
case ROTATE_WINDOW:
HandleRotateActiveWindow();
break;
case SCALE_UI_DOWN:
accelerators::ZoomDisplay(false /* down */);
break;
case SCALE_UI_RESET:
accelerators::ResetDisplayZoom();
break;
case SCALE_UI_UP:
accelerators::ZoomDisplay(true /* up */);
break;
case SHOW_IME_MENU_BUBBLE:
HandleShowImeMenuBubble();
break;
case SHOW_KEYBOARD_OVERLAY:
HandleShowKeyboardOverlay();
break;
case SHOW_STYLUS_TOOLS:
HandleShowStylusTools();
break;
case SHOW_TASK_MANAGER:
HandleShowTaskManager();
break;
case START_VOICE_INTERACTION:
HandleToggleVoiceInteraction(accelerator);
break;
case SUSPEND:
HandleSuspend();
break;
case SWAP_PRIMARY_DISPLAY:
HandleSwapPrimaryDisplay();
break;
case SWITCH_IME:
HandleSwitchIme(accelerator);
break;
case SWITCH_TO_NEXT_USER:
HandleCycleUser(CycleUserDirection::NEXT);
break;
case SWITCH_TO_PREVIOUS_USER:
HandleCycleUser(CycleUserDirection::PREVIOUS);
break;
case TAKE_PARTIAL_SCREENSHOT:
HandleTakePartialScreenshot();
break;
case TAKE_SCREENSHOT:
HandleTakeScreenshot();
break;
case TAKE_WINDOW_SCREENSHOT:
HandleTakeWindowScreenshot();
break;
case TOGGLE_APP_LIST:
HandleToggleAppList(accelerator);
break;
case TOGGLE_CAPS_LOCK:
HandleToggleCapsLock();
break;
case TOGGLE_DICTATION:
HandleToggleDictation();
break;
case TOGGLE_DOCKED_MAGNIFIER:
HandleToggleDockedMagnifier();
break;
case TOGGLE_FULLSCREEN:
HandleToggleFullscreen(accelerator);
break;
case TOGGLE_FULLSCREEN_MAGNIFIER:
HandleToggleFullscreenMagnifier();
break;
case TOGGLE_HIGH_CONTRAST:
HandleToggleHighContrast();
break;
case TOGGLE_MAXIMIZED:
accelerators::ToggleMaximized();
break;
case TOGGLE_MESSAGE_CENTER_BUBBLE:
HandleToggleMessageCenterBubble();
break;
case TOGGLE_MIRROR_MODE:
HandleToggleMirrorMode();
break;
case TOGGLE_OVERVIEW:
HandleToggleOverview();
break;
case TOGGLE_SPOKEN_FEEDBACK:
HandleToggleSpokenFeedback();
break;
case TOGGLE_SYSTEM_TRAY_BUBBLE:
HandleToggleSystemTrayBubble();
break;
case TOGGLE_WIFI:
Shell::Get()->system_tray_notifier()->NotifyRequestToggleWifi();
break;
case TOUCH_HUD_CLEAR:
HandleTouchHudClear();
break;
case TOUCH_HUD_MODE_CHANGE:
HandleTouchHudModeChange();
break;
case UNPIN:
accelerators::UnpinWindow();
break;
case VOLUME_DOWN:
HandleVolumeDown(volume_controller_.get(), accelerator);
break;
case VOLUME_MUTE:
HandleVolumeMute(volume_controller_.get(), accelerator);
break;
case VOLUME_UP:
HandleVolumeUp(volume_controller_.get(), accelerator);
break;
case WINDOW_CYCLE_SNAP_LEFT:
case WINDOW_CYCLE_SNAP_RIGHT:
HandleWindowSnap(action);
break;
case WINDOW_MINIMIZE:
HandleWindowMinimize();
break;
case WINDOW_POSITION_CENTER:
HandlePositionCenter();
break;
}
}
bool AcceleratorController::ShouldActionConsumeKeyEvent(
AcceleratorAction action) {
// Adding new exceptions is *STRONGLY* discouraged.
return true;
}
AcceleratorController::AcceleratorProcessingRestriction
AcceleratorController::GetAcceleratorProcessingRestriction(int action) const {
if (Shell::Get()->screen_pinning_controller()->IsPinned() &&
actions_allowed_in_pinned_mode_.find(action) ==
actions_allowed_in_pinned_mode_.end()) {
return RESTRICTION_PREVENT_PROCESSING_AND_PROPAGATION;
}
if (!Shell::Get()->session_controller()->IsActiveUserSessionStarted() &&
actions_allowed_at_login_screen_.find(action) ==
actions_allowed_at_login_screen_.end()) {
return RESTRICTION_PREVENT_PROCESSING;
}
if (Shell::Get()->session_controller()->IsScreenLocked() &&
actions_allowed_at_lock_screen_.find(action) ==
actions_allowed_at_lock_screen_.end()) {
return RESTRICTION_PREVENT_PROCESSING;
}
if (Shell::Get()->power_button_controller()->IsMenuOpened() &&
!base::ContainsKey(actions_allowed_at_power_menu_, action)) {
return RESTRICTION_PREVENT_PROCESSING;
}
if (Shell::Get()->shell_delegate()->IsRunningInForcedAppMode() &&
actions_allowed_in_app_mode_.find(action) ==
actions_allowed_in_app_mode_.end()) {
return RESTRICTION_PREVENT_PROCESSING;
}
if (Shell::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 (Shell::Get()->mru_window_tracker()->BuildMruWindowList().empty() &&
actions_needing_window_.find(action) != actions_needing_window_.end()) {
Shell::Get()->accessibility_controller()->TriggerAccessibilityAlert(
mojom::AccessibilityAlert::WINDOW_NEEDED);
return RESTRICTION_PREVENT_PROCESSING_AND_PROPAGATION;
}
return RESTRICTION_NONE;
}
AcceleratorController::AcceleratorProcessingStatus
AcceleratorController::MaybeDeprecatedAcceleratorPressed(
AcceleratorAction action,
const ui::Accelerator& accelerator) const {
auto itr = actions_with_deprecations_.find(action);
if (itr == actions_with_deprecations_.end()) {
// The action is not associated with any deprecated accelerators, and hence
// should be performed normally.
return AcceleratorProcessingStatus::PROCEED;
}
// This action is associated with new and deprecated accelerators, find which
// one is |accelerator|.
const DeprecatedAcceleratorData* data = itr->second;
if (!deprecated_accelerators_.count(accelerator)) {
// This is a new accelerator replacing the old deprecated one.
// Record UMA stats and proceed normally to perform it.
RecordUmaHistogram(data->uma_histogram_name, NEW_USED);
return AcceleratorProcessingStatus::PROCEED;
}
// 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 |data| entry exists.
ShowDeprecatedAcceleratorNotification(
data->uma_histogram_name, data->notification_message_id,
data->old_shortcut_id, data->new_shortcut_id);
if (!data->deprecated_enabled)
return AcceleratorProcessingStatus::STOP;
return AcceleratorProcessingStatus::PROCEED;
}
} // namespace ash