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1 // Copyright 2014 The Chromium Authors. All rights reserved. | 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 | 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 CC_BASE_UNIQUE_NOTIFIER_H_ | 5 #ifndef CC_BASE_UNIQUE_NOTIFIER_H_ |
6 #define CC_BASE_UNIQUE_NOTIFIER_H_ | 6 #define CC_BASE_UNIQUE_NOTIFIER_H_ |
7 | 7 |
8 #include "base/callback.h" | 8 #include "base/callback.h" |
9 #include "base/macros.h" | 9 #include "base/macros.h" |
10 #include "base/memory/weak_ptr.h" | 10 #include "base/memory/weak_ptr.h" |
11 #include "cc/base/cc_export.h" | 11 #include "cc/base/base_export.h" |
12 | 12 |
13 namespace base { | 13 namespace base { |
14 class SequencedTaskRunner; | 14 class SequencedTaskRunner; |
15 } // namespace base | 15 } // namespace base |
16 | 16 |
17 namespace cc { | 17 namespace cc { |
18 | 18 |
19 class CC_EXPORT UniqueNotifier { | 19 class CC_BASE_EXPORT UniqueNotifier { |
20 public: | 20 public: |
21 // Configure this notifier to issue the |closure| notification when scheduled. | 21 // Configure this notifier to issue the |closure| notification when scheduled. |
22 UniqueNotifier(base::SequencedTaskRunner* task_runner, | 22 UniqueNotifier(base::SequencedTaskRunner* task_runner, |
23 const base::Closure& closure); | 23 const base::Closure& closure); |
24 | 24 |
25 // Destroying the notifier will ensure that no further notifications will | 25 // Destroying the notifier will ensure that no further notifications will |
26 // happen from this class. | 26 // happen from this class. |
27 ~UniqueNotifier(); | 27 ~UniqueNotifier(); |
28 | 28 |
29 // Schedule a notification to be run. If another notification is already | 29 // Schedule a notification to be run. If another notification is already |
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45 bool notification_pending_; | 45 bool notification_pending_; |
46 | 46 |
47 base::WeakPtrFactory<UniqueNotifier> weak_ptr_factory_; | 47 base::WeakPtrFactory<UniqueNotifier> weak_ptr_factory_; |
48 | 48 |
49 DISALLOW_COPY_AND_ASSIGN(UniqueNotifier); | 49 DISALLOW_COPY_AND_ASSIGN(UniqueNotifier); |
50 }; | 50 }; |
51 | 51 |
52 } // namespace cc | 52 } // namespace cc |
53 | 53 |
54 #endif // CC_BASE_UNIQUE_NOTIFIER_H_ | 54 #endif // CC_BASE_UNIQUE_NOTIFIER_H_ |
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