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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 "ui/display/chromeos/display_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 | |
26 // OutputConfiguratorAnimation provides the visual effects for | |
27 // ui::DisplayConfigurator, such like fade-out/in during changing | |
28 // the display mode. | |
29 class ASH_EXPORT OutputConfiguratorAnimation | |
30 : public ui::DisplayConfigurator::Observer { | |
31 public: | |
32 OutputConfiguratorAnimation(); | |
33 virtual ~OutputConfiguratorAnimation(); | |
34 | |
35 // Starts the fade-out animation for the all root windows. It will | |
36 // call |callback| once all of the animations have finished. | |
37 void StartFadeOutAnimation(base::Closure callback); | |
38 | |
39 // Starts the animation to clear the fade-out animation effect | |
40 // for the all root windows. | |
41 void StartFadeInAnimation(); | |
42 | |
43 protected: | |
44 // ui::DisplayConfigurator::Observer overrides: | |
45 virtual void OnDisplayModeChanged( | |
46 const ui::DisplayConfigurator::DisplayStateList& outputs) OVERRIDE; | |
47 virtual void OnDisplayModeChangeFailed( | |
48 ui::MultipleDisplayState failed_new_state) OVERRIDE; | |
49 | |
50 private: | |
51 // Clears all hiding layers. Note that in case that this method is called | |
52 // during an animation, the method call will cancel all of the animations | |
53 // and *not* call the registered callback. | |
54 void ClearHidingLayers(); | |
55 | |
56 std::map<aura::Window*, ui::Layer*> hiding_layers_; | |
57 scoped_ptr<base::OneShotTimer<OutputConfiguratorAnimation> > timer_; | |
58 | |
59 DISALLOW_COPY_AND_ASSIGN(OutputConfiguratorAnimation); | |
60 }; | |
61 | |
62 } // namespace ash | |
63 | |
64 #endif // ASH_DISPLAY_OUTPUT_CONFIGURATION_CONTROLLER_H_ | |
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