1 // Copyright (c) 2012 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_OUTPUT_CONFIGURATOR_ANIMATION_H_ 6 #define ASH_DISPLAY_OUTPUT_CONFIGURATOR_ANIMATION_H_ 7 8 #include <map> 9 10 #include "ash/ash_export.h" 11 #include "base/callback.h" 12 #include "base/timer/timer.h" 13 #include "chromeos/display/output_configurator.h" 14 15 namespace aura { 16 class RootWindow; 17 class Window; 18 } // namespace aura 19 20 namespace ui { 21 class Layer; 22 } // namespace ui 23 24 namespace ash { 25 namespace internal { 26 27 // OutputConfiguratorAnimation provides the visual effects for 28 // chromeos::OutputConfigurator, such like fade-out/in during changing 29 // the display mode. 30 class ASH_EXPORT OutputConfiguratorAnimation 31 : public chromeos::OutputConfigurator::Observer { 32 public: 33 OutputConfiguratorAnimation(); 34 virtual ~OutputConfiguratorAnimation(); 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 // chromeos::OutputConfigurator::Observer overrides: 46 virtual void OnDisplayModeChanged( 47 const std::vector<chromeos::OutputConfigurator::OutputSnapshot>& outputs) 48 OVERRIDE; 49 virtual void OnDisplayModeChangeFailed( 50 chromeos::OutputState failed_new_state) OVERRIDE; 51 52 private: 53 // Clears all hiding layers. Note that in case that this method is called 54 // during an animation, the method call will cancel all of the animations 55 // and *not* call the registered callback. 56 void ClearHidingLayers(); 57 58 std::map<aura::Window*, ui::Layer*> hiding_layers_; 59 scoped_ptr<base::OneShotTimer<OutputConfiguratorAnimation> > timer_; 60 61 DISALLOW_COPY_AND_ASSIGN(OutputConfiguratorAnimation); 62 }; 63 64 } // namespace internal 65 } // namespace ash 66 67 #endif // ASH_DISPLAY_OUTPUT_CONFIGURATION_CONTROLLER_H_ 68