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      1 // Copyright 2013 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #include "ash/accelerators/accelerator_commands.h"
      6 
      7 #include "ash/shell.h"
      8 #include "ash/shell_delegate.h"
      9 #include "ash/wm/mru_window_tracker.h"
     10 #include "ash/wm/window_state.h"
     11 #include "ash/wm/window_util.h"
     12 #include "ash/wm/wm_event.h"
     13 #include "base/metrics/user_metrics.h"
     14 
     15 namespace ash {
     16 namespace accelerators {
     17 
     18 bool ToggleMinimized() {
     19   aura::Window* window = wm::GetActiveWindow();
     20   // Attempt to restore the window that would be cycled through next from
     21   // the launcher when there is no active window.
     22   if (!window) {
     23     MruWindowTracker::WindowList mru_windows(
     24         Shell::GetInstance()->mru_window_tracker()->BuildMruWindowList());
     25     if (!mru_windows.empty())
     26       wm::GetWindowState(mru_windows.front())->Activate();
     27     return true;
     28   }
     29   wm::WindowState* window_state = wm::GetWindowState(window);
     30   if (!window_state->CanMinimize())
     31     return false;
     32   window_state->Minimize();
     33   return true;
     34 }
     35 
     36 void ToggleMaximized() {
     37   wm::WindowState* window_state = wm::GetActiveWindowState();
     38   if (!window_state)
     39     return;
     40   base::RecordAction(base::UserMetricsAction("Accel_Toggle_Maximized"));
     41   wm::WMEvent event(wm::WM_EVENT_TOGGLE_MAXIMIZE);
     42   window_state->OnWMEvent(&event);
     43 }
     44 
     45 void ToggleFullscreen() {
     46   wm::WindowState* window_state = wm::GetActiveWindowState();
     47   if (window_state) {
     48     const wm::WMEvent event(wm::WM_EVENT_TOGGLE_FULLSCREEN);
     49     window_state->OnWMEvent(&event);
     50   }
     51 }
     52 
     53 }  // namespace accelerators
     54 }  // namespace ash
     55