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| 1 // Copyright (c) 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. |
| 4 |
| 5 #ifndef STORAGE_BROWSER_BLOB_INTERNAL_BLOB_DATA_H_ |
| 6 #define STORAGE_BROWSER_BLOB_INTERNAL_BLOB_DATA_H_ |
| 7 |
| 8 #include <string> |
| 9 #include <vector> |
| 10 |
| 11 #include "base/macros.h" |
| 12 #include "base/memory/ref_counted.h" |
| 13 #include "storage/browser/blob/shareable_blob_data_item.h" |
| 14 |
| 15 namespace storage { |
| 16 class ViewBlobInternalsJob; |
| 17 |
| 18 // This class represents a blob in the BlobStorageContext. It is constructed |
| 19 // using the internal Builder class. |
| 20 class InternalBlobData { |
| 21 public: |
| 22 ~InternalBlobData(); |
| 23 |
| 24 protected: |
| 25 friend class BlobStorageContext; |
| 26 friend class ViewBlobInternalsJob; |
| 27 |
| 28 // Removes the given blob uuid from the internal ShareableBlobDataItems. |
| 29 // This is called when this blob is being destroyed. |
| 30 void RemoveBlobFromShareableItems(const std::string& blob_uuid); |
| 31 |
| 32 const std::vector<scoped_refptr<ShareableBlobDataItem>>& items() const; |
| 33 const std::string& content_type() const; |
| 34 const std::string& content_disposition() const; |
| 35 |
| 36 // Gets the memory used by this blob that is not shared by other blobs. |
| 37 size_t GetNonsharedMemoryUsage() const; |
| 38 |
| 39 // Includes memory of items possibly shared with other blobs, or items that |
| 40 // appear multiple times in this blob. |
| 41 size_t GetTotalMemoryUsage() const; |
| 42 |
| 43 private: |
| 44 friend class Builder; |
| 45 InternalBlobData(); |
| 46 |
| 47 std::string content_type_; |
| 48 std::string content_disposition_; |
| 49 std::vector<scoped_refptr<ShareableBlobDataItem>> items_; |
| 50 |
| 51 class Builder { |
| 52 public: |
| 53 Builder(); |
| 54 ~Builder(); |
| 55 |
| 56 void AppendSharedBlobItem(scoped_refptr<ShareableBlobDataItem> item); |
| 57 void set_content_type(const std::string& content_type); |
| 58 void set_content_disposition(const std::string& content_disposition); |
| 59 |
| 60 // Gets the memory used by this builder that is not shared with other blobs. |
| 61 size_t GetNonsharedMemoryUsage() const; |
| 62 |
| 63 // Removes the given blob uuid from the internal ShareableBlobDataItems. |
| 64 // This is called on destruction of the blob if we're still building it. |
| 65 void RemoveBlobFromShareableItems(const std::string& blob_uuid); |
| 66 |
| 67 // The builder is invalid after calling this method. |
| 68 scoped_ptr<::storage::InternalBlobData> Build(); |
| 69 |
| 70 private: |
| 71 scoped_ptr<::storage::InternalBlobData> data_; |
| 72 }; |
| 73 |
| 74 DISALLOW_COPY_AND_ASSIGN(InternalBlobData); |
| 75 }; |
| 76 |
| 77 } // namespace storage |
| 78 #endif // STORAGE_BROWSER_BLOB_INTERNAL_BLOB_DATA_H_ |
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