1 // Copyright 2014 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 #ifndef ASH_DISPLAY_DISPLAY_CONFIGURATOR_ANIMATION_H_ 6 #define ASH_DISPLAY_DISPLAY_CONFIGURATOR_ANIMATION_H_ 7 8 #include <map> 9 10 #include "ash/ash_export.h" 11 #include "base/callback.h" 12 #include "base/memory/weak_ptr.h" 13 #include "base/timer/timer.h" 14 #include "ui/display/chromeos/display_configurator.h" 15 16 namespace aura { 17 class RootWindow; 18 class Window; 19 } // namespace aura 20 21 namespace ui { 22 class Layer; 23 } // namespace ui 24 25 namespace ash { 26 27 // DisplayConfiguratorAnimation provides the visual effects for 28 // ui::DisplayConfigurator, such like fade-out/in during changing 29 // the display mode. 30 class ASH_EXPORT DisplayConfiguratorAnimation 31 : public ui::DisplayConfigurator::Observer { 32 public: 33 DisplayConfiguratorAnimation(); 34 virtual ~DisplayConfiguratorAnimation(); 35 36 // Starts the fade-out animation for the all root windows. It will 37 // call |callback| once all of the animations have finished. 38 void StartFadeOutAnimation(base::Closure callback); 39 40 // Starts the animation to clear the fade-out animation effect 41 // for the all root windows. 42 void StartFadeInAnimation(); 43 44 protected: 45 // ui::DisplayConfigurator::Observer overrides: 46 virtual void OnDisplayModeChanged( 47 const ui::DisplayConfigurator::DisplayStateList& outputs) OVERRIDE; 48 virtual void OnDisplayModeChangeFailed( 49 ui::MultipleDisplayState failed_new_state) OVERRIDE; 50 51 private: 52 // Clears all hiding layers. Note that in case that this method is called 53 // during an animation, the method call will cancel all of the animations 54 // and *not* call the registered callback. 55 void ClearHidingLayers(); 56 57 std::map<aura::Window*, ui::Layer*> hiding_layers_; 58 scoped_ptr<base::OneShotTimer<DisplayConfiguratorAnimation> > timer_; 59 base::WeakPtrFactory<DisplayConfiguratorAnimation> weak_ptr_factory_; 60 61 DISALLOW_COPY_AND_ASSIGN(DisplayConfiguratorAnimation); 62 }; 63 64 } // namespace ash 65 66 #endif // ASH_DISPLAY_DISPLAY_CONFIGURATION_CONTROLLER_H_ 67