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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 STORAGE_BROWSER_BLOB_BLOB_DATA_HANDLE_H_ | 5 #ifndef STORAGE_BROWSER_BLOB_BLOB_DATA_HANDLE_H_ |
6 #define STORAGE_BROWSER_BLOB_BLOB_DATA_HANDLE_H_ | 6 #define STORAGE_BROWSER_BLOB_BLOB_DATA_HANDLE_H_ |
7 | 7 |
8 #include <memory> | 8 #include <memory> |
9 #include <string> | 9 #include <string> |
10 | 10 |
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40 : public base::SupportsUserData::Data { | 40 : public base::SupportsUserData::Data { |
41 public: | 41 public: |
42 // True means the blob was constructed successfully, and false means that | 42 // True means the blob was constructed successfully, and false means that |
43 // there was an error, which is reported in the second argument. | 43 // there was an error, which is reported in the second argument. |
44 using BlobConstructedCallback = | 44 using BlobConstructedCallback = |
45 base::Callback<void(bool, IPCBlobCreationCancelCode)>; | 45 base::Callback<void(bool, IPCBlobCreationCancelCode)>; |
46 | 46 |
47 BlobDataHandle(const BlobDataHandle& other); // May be copied on any thread. | 47 BlobDataHandle(const BlobDataHandle& other); // May be copied on any thread. |
48 ~BlobDataHandle() override; // May be deleted on any thread. | 48 ~BlobDataHandle() override; // May be deleted on any thread. |
49 | 49 |
| 50 // Assignment operator matching copy constructor. |
| 51 BlobDataHandle& operator=(const BlobDataHandle& other); |
| 52 |
50 // Returns if this blob is still constructing. If so, one can use the | 53 // Returns if this blob is still constructing. If so, one can use the |
51 // RunOnConstructionComplete to wait. | 54 // RunOnConstructionComplete to wait. |
52 // Must be called on IO thread. | 55 // Must be called on IO thread. |
53 bool IsBeingBuilt() const; | 56 bool IsBeingBuilt() const; |
54 | 57 |
55 // Returns if this blob is broken, and there is no data associated with it. | 58 // Returns if this blob is broken, and there is no data associated with it. |
56 // Must be called on IO thread. | 59 // Must be called on IO thread. |
57 bool IsBroken() const; | 60 bool IsBroken() const; |
58 | 61 |
59 // The callback will be run on the IO thread when construction of the blob | 62 // The callback will be run on the IO thread when construction of the blob |
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118 BlobStorageContext* context, | 121 BlobStorageContext* context, |
119 base::SequencedTaskRunner* io_task_runner); | 122 base::SequencedTaskRunner* io_task_runner); |
120 | 123 |
121 scoped_refptr<base::SequencedTaskRunner> io_task_runner_; | 124 scoped_refptr<base::SequencedTaskRunner> io_task_runner_; |
122 scoped_refptr<BlobDataHandleShared> shared_; | 125 scoped_refptr<BlobDataHandleShared> shared_; |
123 }; | 126 }; |
124 | 127 |
125 } // namespace storage | 128 } // namespace storage |
126 | 129 |
127 #endif // STORAGE_BROWSER_BLOB_BLOB_DATA_HANDLE_H_ | 130 #endif // STORAGE_BROWSER_BLOB_BLOB_DATA_HANDLE_H_ |
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