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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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