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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 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 MEDIA_BASE_CALLBACK_HOLDER_H_ | 5 #ifndef MEDIA_BASE_CALLBACK_HOLDER_H_ |
| 6 #define MEDIA_BASE_CALLBACK_HOLDER_H_ | 6 #define MEDIA_BASE_CALLBACK_HOLDER_H_ |
| 7 | 7 |
| 8 #include "base/bind.h" | 8 #include "base/bind.h" |
| 9 #include "base/callback.h" | 9 #include "base/callback.h" |
| 10 #include "base/callback_helpers.h" | 10 #include "base/callback_helpers.h" |
| 11 #include "media/base/bind_to_loop.h" | 11 #include "media/base/bind_to_current_loop.h" |
| 12 | 12 |
| 13 namespace media { | 13 namespace media { |
| 14 | 14 |
| 15 // A helper class that can hold a callback from being fired. | 15 // A helper class that can hold a callback from being fired. |
| 16 template <typename CB> class CallbackHolder { | 16 template <typename CB> class CallbackHolder { |
| 17 public: | 17 public: |
| 18 CallbackHolder() : hold_(false) {} | 18 CallbackHolder() : hold_(false) {} |
| 19 | 19 |
| 20 ~CallbackHolder() { | 20 ~CallbackHolder() { |
| 21 // Make sure all callbacks are satisfied! | 21 // Make sure all callbacks are satisfied! |
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| 79 | 79 |
| 80 private: | 80 private: |
| 81 bool hold_; | 81 bool hold_; |
| 82 CB original_cb_; | 82 CB original_cb_; |
| 83 base::Closure held_cb_; | 83 base::Closure held_cb_; |
| 84 }; | 84 }; |
| 85 | 85 |
| 86 } // namespace media | 86 } // namespace media |
| 87 | 87 |
| 88 #endif // MEDIA_BASE_CALLBACK_HOLDER_H_ | 88 #endif // MEDIA_BASE_CALLBACK_HOLDER_H_ |
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