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 CHROME_BROWSER_CHROMEOS_DBUS_SCREEN_LOCK_SERVICE_PROVIDER_H_ 6#define CHROME_BROWSER_CHROMEOS_DBUS_SCREEN_LOCK_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 "chrome/browser/chromeos/dbus/cros_dbus_service.h" 15#include "dbus/exported_object.h" 16 17namespace dbus { 18class MethodCall; 19} 20 21namespace chromeos { 22 23// This class exports a "LockScreen" D-Bus methods that the session manager 24// calls to instruct Chrome to lock the screen. 25class ScreenLockServiceProvider 26 : public CrosDBusService::ServiceProviderInterface { 27 public: 28 ScreenLockServiceProvider(); 29 virtual ~ScreenLockServiceProvider(); 30 31 // CrosDBusService::ServiceProviderInterface overrides: 32 virtual void Start( 33 scoped_refptr<dbus::ExportedObject> exported_object) OVERRIDE; 34 35 private: 36 // Called from ExportedObject when a handler is exported as a D-Bus 37 // method or failed to be exported. 38 void OnExported(const std::string& interface_name, 39 const std::string& method_name, 40 bool success); 41 42 // Called on UI thread in response to D-Bus requests. 43 void LockScreen(dbus::MethodCall* method_call, 44 dbus::ExportedObject::ResponseSender response_sender); 45 46 // Keep this last so that all weak pointers will be invalidated at the 47 // beginning of destruction. 48 base::WeakPtrFactory<ScreenLockServiceProvider> weak_ptr_factory_; 49 50 DISALLOW_COPY_AND_ASSIGN(ScreenLockServiceProvider); 51}; 52 53} // namespace chromeos 54 55#endif // CHROME_BROWSER_CHROMEOS_DBUS_SCREEN_LOCK_SERVICE_PROVIDER_H_ 56