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Side by Side Diff: jingle/notifier/base/weak_xmpp_client.h

Issue 429113002: Webrtc deps roll. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src
Patch Set: Use webrtc version 6825 and rebase and switch back to original workspace. Created 6 years, 4 months ago
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1 // Copyright (c) 2012 The Chromium Authors. All rights reserved. 1 // Copyright (c) 2012 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 // A thin wrapper around buzz::XmppClient that exposes weak pointers 5 // A thin wrapper around buzz::XmppClient that exposes weak pointers
6 // so that users know when the buzz::XmppClient becomes invalid to use 6 // so that users know when the buzz::XmppClient becomes invalid to use
7 // (not necessarily only at destruction time). 7 // (not necessarily only at destruction time).
8 8
9 #ifndef JINGLE_NOTIFIER_BASE_WEAK_XMPP_CLIENT_H_ 9 #ifndef JINGLE_NOTIFIER_BASE_WEAK_XMPP_CLIENT_H_
10 #define JINGLE_NOTIFIER_BASE_WEAK_XMPP_CLIENT_H_ 10 #define JINGLE_NOTIFIER_BASE_WEAK_XMPP_CLIENT_H_
11 11
12 #include "base/basictypes.h" 12 #include "base/basictypes.h"
13 #include "base/compiler_specific.h" 13 #include "base/compiler_specific.h"
14 #include "base/memory/weak_ptr.h" 14 #include "base/memory/weak_ptr.h"
15 #include "base/threading/non_thread_safe.h" 15 #include "base/threading/non_thread_safe.h"
16 #include "talk/xmpp/xmppclient.h" 16 #include "talk/xmpp/xmppclient.h"
17 17
18 namespace talk_base { 18 namespace rtc {
19 class TaskParent; 19 class TaskParent;
20 } // namespace 20 } // namespace
21 21
22 namespace notifier { 22 namespace notifier {
23 23
24 // buzz::XmppClient's destructor isn't marked virtual, but it inherits 24 // buzz::XmppClient's destructor isn't marked virtual, but it inherits
25 // from talk_base::Task, whose destructor *is* marked virtual, so we 25 // from rtc::Task, whose destructor *is* marked virtual, so we
26 // can safely inherit from it. 26 // can safely inherit from it.
27 class WeakXmppClient : public buzz::XmppClient, public base::NonThreadSafe { 27 class WeakXmppClient : public buzz::XmppClient, public base::NonThreadSafe {
28 public: 28 public:
29 explicit WeakXmppClient(talk_base::TaskParent* parent); 29 explicit WeakXmppClient(rtc::TaskParent* parent);
30 30
31 virtual ~WeakXmppClient(); 31 virtual ~WeakXmppClient();
32 32
33 // Returns a weak pointer that is invalidated when the XmppClient 33 // Returns a weak pointer that is invalidated when the XmppClient
34 // becomes invalid to use. 34 // becomes invalid to use.
35 base::WeakPtr<WeakXmppClient> AsWeakPtr(); 35 base::WeakPtr<WeakXmppClient> AsWeakPtr();
36 36
37 // Invalidates all weak pointers to this object. (This method is 37 // Invalidates all weak pointers to this object. (This method is
38 // necessary as calling Abort() does not always lead to Stop() being 38 // necessary as calling Abort() does not always lead to Stop() being
39 // called, so it's not a reliable way to cause an invalidation.) 39 // called, so it's not a reliable way to cause an invalidation.)
40 void Invalidate(); 40 void Invalidate();
41 41
42 protected: 42 protected:
43 virtual void Stop() OVERRIDE; 43 virtual void Stop() OVERRIDE;
44 44
45 private: 45 private:
46 // We use our own WeakPtrFactory instead of inheriting from 46 // We use our own WeakPtrFactory instead of inheriting from
47 // SupportsWeakPtr since we want to invalidate in other places 47 // SupportsWeakPtr since we want to invalidate in other places
48 // besides the destructor. 48 // besides the destructor.
49 base::WeakPtrFactory<WeakXmppClient> weak_ptr_factory_; 49 base::WeakPtrFactory<WeakXmppClient> weak_ptr_factory_;
50 50
51 DISALLOW_COPY_AND_ASSIGN(WeakXmppClient); 51 DISALLOW_COPY_AND_ASSIGN(WeakXmppClient);
52 }; 52 };
53 53
54 } // namespace notifier 54 } // namespace notifier
55 55
56 #endif // JINGLE_NOTIFIER_BASE_WEAK_XMPP_CLIENT_H_ 56 #endif // JINGLE_NOTIFIER_BASE_WEAK_XMPP_CLIENT_H_
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