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