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1 // Copyright (c) 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 #ifndef CHROME_BROWSER_CHROMEOS_DBUS_DISPLAY_POWER_SERVICE_PROVIDER_H_ | |
6 #define CHROME_BROWSER_CHROMEOS_DBUS_DISPLAY_POWER_SERVICE_PROVIDER_H_ | |
7 | |
8 #include <string> | |
9 | |
10 #include "base/basictypes.h" | |
11 #include "base/compiler_specific.h" | |
12 #include "base/memory/ref_counted.h" | |
13 #include "base/memory/weak_ptr.h" | |
14 #include "chromeos/dbus/services/cros_dbus_service.h" | |
15 #include "dbus/exported_object.h" | |
16 | |
17 namespace dbus { | |
18 class MethodCall; | |
19 class Response; | |
20 } | |
21 | |
22 namespace chromeos { | |
23 | |
24 // This class exports "SetDisplayPower" and "SetDisplaySoftwareDimming" | |
25 // D-Bus methods that the power manager calls to instruct Chrome to turn | |
26 // various displays on or off or dim them. | |
27 class DisplayPowerServiceProvider | |
28 : public CrosDBusService::ServiceProviderInterface { | |
29 public: | |
30 DisplayPowerServiceProvider(); | |
31 virtual ~DisplayPowerServiceProvider(); | |
32 | |
33 // CrosDBusService::ServiceProviderInterface overrides: | |
34 virtual void Start( | |
35 scoped_refptr<dbus::ExportedObject> exported_object) override; | |
36 | |
37 private: | |
38 // Called from ExportedObject when a handler is exported as a D-Bus | |
39 // method or failed to be exported. | |
40 void OnExported(const std::string& interface_name, | |
41 const std::string& method_name, | |
42 bool success); | |
43 | |
44 // Called on UI thread in response to D-Bus requests. | |
45 void SetDisplayPower(dbus::MethodCall* method_call, | |
46 dbus::ExportedObject::ResponseSender response_sender); | |
47 void SetDisplaySoftwareDimming( | |
48 dbus::MethodCall* method_call, | |
49 dbus::ExportedObject::ResponseSender response_sender); | |
50 | |
51 // Keep this last so that all weak pointers will be invalidated at the | |
52 // beginning of destruction. | |
53 base::WeakPtrFactory<DisplayPowerServiceProvider> weak_ptr_factory_; | |
54 | |
55 DISALLOW_COPY_AND_ASSIGN(DisplayPowerServiceProvider); | |
56 }; | |
57 | |
58 } // namespace chromeos | |
59 | |
60 #endif // CHROME_BROWSER_CHROMEOS_DBUS_DISPLAY_POWER_SERVICE_PROVIDER_H_ | |
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