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Side by Side Diff: ash/session/session_state_observer.h

Issue 1428213004: This CL replaces std::string user_id in ash/* with AccountId. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@master
Patch Set: Update after review. Created 5 years, 1 month ago
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1 // Copyright (c) 2013 The Chromium Authors. All rights reserved. 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 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 #ifndef ASH_SESSION_SESSION_STATE_OBSERVER_H_ 5 #ifndef ASH_SESSION_SESSION_STATE_OBSERVER_H_
6 #define ASH_SESSION_SESSION_STATE_OBSERVER_H_ 6 #define ASH_SESSION_SESSION_STATE_OBSERVER_H_
7 7
8 #include <string> 8 #include <string>
9 9
10 #include "ash/ash_export.h" 10 #include "ash/ash_export.h"
11 #include "ash/session/session_state_delegate.h" 11 #include "ash/session/session_state_delegate.h"
12 #include "base/basictypes.h" 12 #include "base/basictypes.h"
13 13
14 class AccountId;
15
14 namespace ash { 16 namespace ash {
15 17
16 class ASH_EXPORT SessionStateObserver { 18 class ASH_EXPORT SessionStateObserver {
17 public: 19 public:
18 // Called when active user has changed. 20 // Called when active user has changed.
19 virtual void ActiveUserChanged(const std::string& user_id) {} 21 virtual void ActiveUserChanged(const AccountId& account_id) {}
20 22
21 // Called when another user gets added to the existing session. 23 // Called when another user gets added to the existing session.
22 virtual void UserAddedToSession(const std::string& user_id) {} 24 virtual void UserAddedToSession(const AccountId& account_id) {}
23 25
24 // Called when session state is changed. 26 // Called when session state is changed.
25 virtual void SessionStateChanged(SessionStateDelegate::SessionState state) {} 27 virtual void SessionStateChanged(SessionStateDelegate::SessionState state) {}
26 28
27 protected: 29 protected:
28 virtual ~SessionStateObserver() {} 30 virtual ~SessionStateObserver() {}
29 }; 31 };
30 32
31 // A class to attach / detach an object as a session state observer with a 33 // A class to attach / detach an object as a session state observer with a
32 // scoped pointer. 34 // scoped pointer.
33 class ASH_EXPORT ScopedSessionStateObserver { 35 class ASH_EXPORT ScopedSessionStateObserver {
34 public: 36 public:
35 explicit ScopedSessionStateObserver(ash::SessionStateObserver* observer); 37 explicit ScopedSessionStateObserver(ash::SessionStateObserver* observer);
36 virtual ~ScopedSessionStateObserver(); 38 virtual ~ScopedSessionStateObserver();
37 39
38 private: 40 private:
39 ash::SessionStateObserver* observer_; 41 ash::SessionStateObserver* observer_;
40 42
41 DISALLOW_COPY_AND_ASSIGN(ScopedSessionStateObserver); 43 DISALLOW_COPY_AND_ASSIGN(ScopedSessionStateObserver);
42 }; 44 };
43 45
44 } // namespace ash 46 } // namespace ash
45 47
46 #endif // ASH_SESSION_SESSION_STATE_OBSERVER_H_ 48 #endif // ASH_SESSION_SESSION_STATE_OBSERVER_H_
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