| // Copyright 2014 The Chromium Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #ifndef CHROME_BROWSER_CHROMEOS_DBUS_SCREEN_LOCK_SERVICE_PROVIDER_H_ |
| #define CHROME_BROWSER_CHROMEOS_DBUS_SCREEN_LOCK_SERVICE_PROVIDER_H_ |
| |
| #include <string> |
| |
| #include "base/compiler_specific.h" |
| #include "base/macros.h" |
| #include "base/memory/ref_counted.h" |
| #include "base/memory/weak_ptr.h" |
| #include "chromeos/dbus/services/cros_dbus_service.h" |
| #include "dbus/exported_object.h" |
| |
| namespace dbus { |
| class MethodCall; |
| } |
| |
| namespace chromeos { |
| |
| // This class exports a D-Bus method that the session_manager calls to instruct |
| // Chrome to show the lock screen. |
| class ScreenLockServiceProvider |
| : public CrosDBusService::ServiceProviderInterface { |
| public: |
| ScreenLockServiceProvider(); |
| ~ScreenLockServiceProvider() override; |
| |
| // CrosDBusService::ServiceProviderInterface overrides: |
| void Start(scoped_refptr<dbus::ExportedObject> exported_object) override; |
| |
| private: |
| // Called from ExportedObject when a handler is exported as a D-Bus |
| // method or failed to be exported. |
| void OnExported(const std::string& interface_name, |
| const std::string& method_name, |
| bool success); |
| |
| // Called on UI thread in response to D-Bus requests. |
| void ShowLockScreen(dbus::MethodCall* method_call, |
| dbus::ExportedObject::ResponseSender response_sender); |
| |
| // Keep this last so that all weak pointers will be invalidated at the |
| // beginning of destruction. |
| base::WeakPtrFactory<ScreenLockServiceProvider> weak_ptr_factory_; |
| |
| DISALLOW_COPY_AND_ASSIGN(ScreenLockServiceProvider); |
| }; |
| |
| } // namespace chromeos |
| |
| #endif // CHROME_BROWSER_CHROMEOS_DBUS_SCREEN_LOCK_SERVICE_PROVIDER_H_ |