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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 #ifndef CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_ | 5 #ifndef CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_ |
| 6 #define CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_ | 6 #define CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_ |
| 7 | 7 |
| 8 #include "base/memory/ref_counted.h" | 8 #include "base/memory/ref_counted.h" |
| 9 #include "base/memory/scoped_ptr.h" | 9 #include "base/memory/scoped_ptr.h" |
| 10 #include "base/sequenced_task_runner_helpers.h" | 10 #include "base/sequenced_task_runner_helpers.h" |
| 11 #include "content/common/content_export.h" | 11 #include "content/common/content_export.h" |
| 12 #include "content/public/browser/browser_thread.h" | 12 #include "content/public/browser/browser_thread.h" |
| 13 | 13 |
| 14 namespace content { | |
| 15 class BrowserContext; | |
| 16 } | |
| 17 | |
| 18 namespace webkit_blob { | 14 namespace webkit_blob { |
| 19 class BlobStorageController; | 15 class BlobStorageController; |
| 20 } | 16 } |
| 21 | 17 |
| 18 namespace content { |
| 19 class BrowserContext; |
| 22 struct ChromeBlobStorageContextDeleter; | 20 struct ChromeBlobStorageContextDeleter; |
| 23 | 21 |
| 24 // A context class that keeps track of BlobStorageController used by the chrome. | 22 // A context class that keeps track of BlobStorageController used by the chrome. |
| 25 // There is an instance associated with each BrowserContext. There could be | 23 // There is an instance associated with each BrowserContext. There could be |
| 26 // multiple URLRequestContexts in the same browser context that refers to the | 24 // multiple URLRequestContexts in the same browser context that refers to the |
| 27 // same instance. | 25 // same instance. |
| 28 // | 26 // |
| 29 // All methods, except the ctor, are expected to be called on | 27 // All methods, except the ctor, are expected to be called on |
| 30 // the IO thread (unless specifically called out in doc comments). | 28 // the IO thread (unless specifically called out in doc comments). |
| 31 class CONTENT_EXPORT ChromeBlobStorageContext | 29 class CONTENT_EXPORT ChromeBlobStorageContext |
| 32 : public base::RefCountedThreadSafe<ChromeBlobStorageContext, | 30 : public base::RefCountedThreadSafe<ChromeBlobStorageContext, |
| 33 ChromeBlobStorageContextDeleter> { | 31 ChromeBlobStorageContextDeleter> { |
| 34 public: | 32 public: |
| 35 ChromeBlobStorageContext(); | 33 ChromeBlobStorageContext(); |
| 36 | 34 |
| 37 static ChromeBlobStorageContext* GetFor( | 35 static ChromeBlobStorageContext* GetFor( |
| 38 content::BrowserContext* browser_context); | 36 BrowserContext* browser_context); |
| 39 | 37 |
| 40 void InitializeOnIOThread(); | 38 void InitializeOnIOThread(); |
| 41 | 39 |
| 42 webkit_blob::BlobStorageController* controller() const { | 40 webkit_blob::BlobStorageController* controller() const { |
| 43 return controller_.get(); | 41 return controller_.get(); |
| 44 } | 42 } |
| 45 | 43 |
| 46 protected: | 44 protected: |
| 47 virtual ~ChromeBlobStorageContext(); | 45 virtual ~ChromeBlobStorageContext(); |
| 48 | 46 |
| 49 private: | 47 private: |
| 50 friend class base::DeleteHelper<ChromeBlobStorageContext>; | 48 friend class base::DeleteHelper<ChromeBlobStorageContext>; |
| 51 friend class base::RefCountedThreadSafe<ChromeBlobStorageContext, | 49 friend class base::RefCountedThreadSafe<ChromeBlobStorageContext, |
| 52 ChromeBlobStorageContextDeleter>; | 50 ChromeBlobStorageContextDeleter>; |
| 53 friend struct ChromeBlobStorageContextDeleter; | 51 friend struct ChromeBlobStorageContextDeleter; |
| 54 | 52 |
| 55 void DeleteOnCorrectThread() const; | 53 void DeleteOnCorrectThread() const; |
| 56 | 54 |
| 57 scoped_ptr<webkit_blob::BlobStorageController> controller_; | 55 scoped_ptr<webkit_blob::BlobStorageController> controller_; |
| 58 }; | 56 }; |
| 59 | 57 |
| 60 struct ChromeBlobStorageContextDeleter { | 58 struct ChromeBlobStorageContextDeleter { |
| 61 static void Destruct(const ChromeBlobStorageContext* context) { | 59 static void Destruct(const ChromeBlobStorageContext* context) { |
| 62 context->DeleteOnCorrectThread(); | 60 context->DeleteOnCorrectThread(); |
| 63 } | 61 } |
| 64 }; | 62 }; |
| 65 | 63 |
| 64 } // namespace content |
| 65 |
| 66 #endif // CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_ | 66 #endif // CONTENT_BROWSER_FILEAPI_CHROME_BLOB_STORAGE_CONTEXT_H_ |
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