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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 ATHENA_SYSTEM_SHUTDOWN_DIALOG_H_ | |
6 #define ATHENA_SYSTEM_SHUTDOWN_DIALOG_H_ | |
7 | |
8 #include "athena/input/public/input_manager.h" | |
9 #include "base/memory/scoped_ptr.h" | |
10 #include "base/time/time.h" | |
11 #include "base/timer/timer.h" | |
12 | |
13 namespace aura { | |
14 class Window; | |
15 } | |
16 | |
17 namespace views { | |
18 class Widget; | |
19 } | |
20 | |
21 namespace athena { | |
22 | |
23 // Shuts down in response to the power button being pressed. | |
24 class ShutdownDialog : public PowerButtonObserver { | |
25 public: | |
26 explicit ShutdownDialog(); | |
27 ~ShutdownDialog() override; | |
28 | |
29 private: | |
30 enum State { | |
31 // Releasing the power button sends a suspend request. | |
32 STATE_SUSPEND_ON_RELEASE, | |
33 | |
34 // A warning that the device is about to be shutdown is visible. Releasing | |
35 // the power button does not send a suspend or a shutdown request. | |
36 STATE_SHUTDOWN_WARNING_VISIBLE, | |
37 | |
38 // A D-Bus shutdown request has been sent. Shutdown cannot be canceled. | |
39 STATE_SHUTDOWN_REQUESTED, | |
40 | |
41 STATE_OTHER | |
42 }; | |
43 | |
44 // Shows the shutdown warning dialog. | |
45 void ShowShutdownWarningDialog(); | |
46 | |
47 // Requests shutdown. | |
48 void Shutdown(); | |
49 | |
50 // PowerButtonObserver: | |
51 void OnPowerButtonStateChanged(PowerButtonObserver::State state) override; | |
52 | |
53 // |shutdown_warning_message_|'s parent container. | |
54 aura::Window* warning_message_container_; | |
55 | |
56 // Shows a warning that the device is about to be shutdown. | |
57 scoped_ptr<views::Widget> shutdown_warning_message_; | |
58 | |
59 State state_; | |
60 | |
61 base::OneShotTimer<ShutdownDialog> timer_; | |
62 | |
63 DISALLOW_COPY_AND_ASSIGN(ShutdownDialog); | |
64 }; | |
65 | |
66 } // namespace athena | |
67 | |
68 #endif // ATHENA_SYSTEM_SHUTDOWN_DIALOG_H_ | |
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