chromeos: Enable Alt-Shift-S to show system tray bubble for mash

ash/common/accelerators/accelerator_controller.cc

 // 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/common/accelerators/accelerator_controller.h"
 
 #include <utility>
 
 #include "ash/common/accelerators/accelerator_commands.h"
 #include "ash/common/accelerators/accelerator_controller_delegate.h"
@@ skipping 10 matching lines @@
 #include "ash/common/shelf/shelf_widget.h"
 #include "ash/common/shelf/wm_shelf.h"
 #include "ash/common/shell_delegate.h"
 #include "ash/common/system/brightness_control_delegate.h"
 #include "ash/common/system/chromeos/ime_menu/ime_menu_tray.h"
 #include "ash/common/system/chromeos/palette/palette_tray.h"
 #include "ash/common/system/chromeos/palette/palette_utils.h"
 #include "ash/common/system/keyboard_brightness_control_delegate.h"
 #include "ash/common/system/status_area_widget.h"
 #include "ash/common/system/system_notifier.h"
+#include "ash/common/system/tray/system_tray.h"
 #include "ash/common/system/tray/system_tray_delegate.h"
 #include "ash/common/system/tray/system_tray_notifier.h"
 #include "ash/common/system/web_notification/web_notification_tray.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"
@@ skipping 184 matching lines @@
   StatusAreaWidget* status_area_widget =
       WmShelf::ForWindow(target_root)->shelf_widget()->status_area_widget();
   if (status_area_widget) {
     WebNotificationTray* notification_tray =
         status_area_widget->web_notification_tray();
     if (notification_tray->visible())
       notification_tray->ShowMessageCenterBubble();
   }
 }
 
+void HandleShowSystemTrayBubble() {
+  base::RecordAction(UserMetricsAction("Accel_Show_System_Tray_Bubble"));
+  WmWindow* target_root = Shell::GetWmRootWindowForNewWindows();
+  SystemTray* tray = target_root->GetRootWindowController()->GetSystemTray();
+  if (!tray->HasSystemBubble()) {
+    tray->ShowDefaultView(BUBBLE_CREATE_NEW);
+    tray->ActivateBubble();
+  }
+}
+
 void HandleShowTaskManager() {
   base::RecordAction(UserMetricsAction("Accel_Show_Task_Manager"));
   WmShell::Get()->new_window_controller()->ShowTaskManager();
 }
 
 bool CanHandleSwitchIme(ImeControlDelegate* ime_control_delegate,
                         const ui::Accelerator& accelerator) {
   return ime_control_delegate &&
          ime_control_delegate->CanSwitchIme(accelerator);
 }
@@ skipping 587 matching lines @@
     case NEW_TAB:
     case NEW_WINDOW:
     case OPEN_CROSH:
     case OPEN_FEEDBACK_PAGE:
     case OPEN_FILE_MANAGER:
     case OPEN_GET_HELP:
     case PRINT_UI_HIERARCHIES:
     case RESTORE_TAB:
     case SHOW_IME_MENU_BUBBLE:
     case SHOW_KEYBOARD_OVERLAY:
+    case SHOW_SYSTEM_TRAY_BUBBLE:
     case SHOW_TASK_MANAGER:
     case SUSPEND:
     case TOGGLE_FULLSCREEN:
     case TOGGLE_HIGH_CONTRAST:
     case TOGGLE_MAXIMIZED:
     case TOGGLE_OVERVIEW:
     case TOGGLE_SPOKEN_FEEDBACK:
     case TOGGLE_WIFI:
     case VOLUME_DOWN:
     case VOLUME_MUTE:
@@ skipping 159 matching lines @@
       break;
     case SHOW_KEYBOARD_OVERLAY:
       HandleShowKeyboardOverlay();
       break;
     case SHOW_MESSAGE_CENTER_BUBBLE:
       HandleShowMessageCenterBubble();
       break;
     case SHOW_STYLUS_TOOLS:
       HandleShowStylusTools();
       break;
+    case SHOW_SYSTEM_TRAY_BUBBLE:
+      HandleShowSystemTrayBubble();
+      break;
     case SHOW_TASK_MANAGER:
       HandleShowTaskManager();
       break;
     case SUSPEND:
       HandleSuspend();
       break;
     case SWITCH_IME:
       HandleSwitchIme(ime_control_delegate_.get(), accelerator);
       break;
     case SWITCH_TO_NEXT_USER:
@@ skipping 136 matching lines @@
         data->old_shortcut_id, data->new_shortcut_id);
   }
 
   if (!data->deprecated_enabled)
     return AcceleratorProcessingStatus::STOP;
 
   return AcceleratorProcessingStatus::PROCEED;
 }
 
 }  // namespace ash