Handle UNPIN operation in ash.

ash/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/accelerators/accelerator_controller.h"
 
 #include <algorithm>
 #include <cmath>
 #include <string>
 #include <utility>
@@ skipping 529 matching lines @@
   // Docked windows do not support centering.
   wm::WindowState* window_state = wm::GetActiveWindowState();
   return (window_state && !window_state->IsDocked());
 }
 
 void HandlePositionCenter() {
   base::RecordAction(UserMetricsAction("Accel_Window_Position_Center"));
   wm::CenterWindow(wm::GetActiveWindow());
 }
 
+bool CanHandleUnpin() {
+  wm::WindowState* window_state = wm::GetActiveWindowState();
+  return window_state && window_state->IsPinned();
+}
+
+void HandleUnpin() {
+  accelerators::Unpin();
+}
+
 #if defined(OS_CHROMEOS)
 void HandleBrightnessDown(BrightnessControlDelegate* delegate,
                           const ui::Accelerator& accelerator) {
   if (delegate)
     delegate->HandleBrightnessDown(accelerator);
 }
 
 void HandleBrightnessUp(BrightnessControlDelegate* delegate,
                         const ui::Accelerator& accelerator) {
   if (delegate)
@@ skipping 465 matching lines @@
       return CanHandleShowMessageCenterBubble();
     case SWITCH_IME:
       return CanHandleSwitchIme(ime_control_delegate_.get(), accelerator);
     case TOGGLE_APP_LIST:
       return CanHandleToggleAppList(accelerator, previous_accelerator);
     case WINDOW_CYCLE_SNAP_DOCK_LEFT:
     case WINDOW_CYCLE_SNAP_DOCK_RIGHT:
       return CanHandleWindowSnapOrDock();
     case WINDOW_POSITION_CENTER:
       return CanHandlePositionCenter();
+    case UNPIN:
+      return CanHandleUnpin();
 #if defined(OS_CHROMEOS)
     case DEBUG_ADD_REMOVE_DISPLAY:
     case DEBUG_TOGGLE_TOUCH_PAD:
     case DEBUG_TOGGLE_TOUCH_SCREEN:
     case DEBUG_TOGGLE_UNIFIED_DESKTOP:
       return debug::DebugAcceleratorsEnabled();
     case DISABLE_CAPS_LOCK:
       return CanHandleDisableCapsLock(previous_accelerator);
     case LOCK_SCREEN:
       return CanHandleLock();
@@ skipping 235 matching lines @@
     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;
+    case UNPIN:
+      HandleUnpin();
+      break;
 #if defined(OS_CHROMEOS)
     case BRIGHTNESS_DOWN:
       HandleBrightnessDown(brightness_control_delegate_.get(), accelerator);
       break;
     case BRIGHTNESS_UP:
       HandleBrightnessUp(brightness_control_delegate_.get(), accelerator);
       break;
     case DEBUG_ADD_REMOVE_DISPLAY:
     case DEBUG_TOGGLE_TOUCH_PAD:
     case DEBUG_TOGGLE_TOUCH_SCREEN:
@@ skipping 145 matching lines @@
 }
 
 void AcceleratorController::SetKeyboardBrightnessControlDelegate(
     std::unique_ptr<KeyboardBrightnessControlDelegate>
         keyboard_brightness_control_delegate) {
   keyboard_brightness_control_delegate_ =
       std::move(keyboard_brightness_control_delegate);
 }
 
 }  // namespace ash