Index: storage/browser/blob/internal_blob_data.h |
diff --git a/storage/browser/blob/internal_blob_data.h b/storage/browser/blob/internal_blob_data.h |
new file mode 100644 |
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+++ b/storage/browser/blob/internal_blob_data.h |
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+// Copyright (c) 2015 The Chromium Authors. All rights reserved. |
+// Use of this source code is governed by a BSD-style license that can be |
+// found in the LICENSE file. |
+ |
+#ifndef STORAGE_BROWSER_BLOB_INTERNAL_BLOB_DATA_H_ |
+#define STORAGE_BROWSER_BLOB_INTERNAL_BLOB_DATA_H_ |
+ |
+#include <string> |
+#include <vector> |
+ |
+#include "base/macros.h" |
+#include "base/memory/ref_counted.h" |
+#include "storage/browser/blob/shareable_blob_data_item.h" |
+ |
+namespace storage { |
+class ViewBlobInternalsJob; |
+ |
+// This class represents a blob in the BlobStorageContext. It is constructed |
+// using the internal Builder class. |
+class InternalBlobData { |
+ public: |
+ ~InternalBlobData(); |
+ |
+ protected: |
+ friend class BlobStorageContext; |
+ friend class ViewBlobInternalsJob; |
+ |
+ // Removes the given blob uuid from the internal ShareableBlobDataItems. |
+ // This is called when this blob is being destroyed. |
+ void RemoveBlobFromShareableItems(const std::string& blob_uuid); |
+ |
+ const std::vector<scoped_refptr<ShareableBlobDataItem>>& items() const; |
+ const std::string& content_type() const; |
+ const std::string& content_disposition() const; |
+ |
+ // Gets the memory used by this blob that is not shared by other blobs. |
+ size_t GetNonsharedMemoryUsage() const; |
+ |
+ // Includes memory of items possibly shared with other blobs, or items that |
+ // appear multiple times in this blob. |
+ size_t GetTotalMemoryUsage() const; |
+ |
+ private: |
+ friend class Builder; |
+ InternalBlobData(); |
+ |
+ std::string content_type_; |
+ std::string content_disposition_; |
+ std::vector<scoped_refptr<ShareableBlobDataItem>> items_; |
+ |
+ class Builder { |
+ public: |
+ Builder(); |
+ ~Builder(); |
+ |
+ void AppendSharedBlobItem(scoped_refptr<ShareableBlobDataItem> item); |
+ void set_content_type(const std::string& content_type); |
+ void set_content_disposition(const std::string& content_disposition); |
+ |
+ // Gets the memory used by this builder that is not shared with other blobs. |
+ size_t GetNonsharedMemoryUsage() const; |
+ |
+ // Removes the given blob uuid from the internal ShareableBlobDataItems. |
+ // This is called on destruction of the blob if we're still building it. |
+ void RemoveBlobFromShareableItems(const std::string& blob_uuid); |
+ |
+ // The builder is invalid after calling this method. |
+ scoped_ptr<::storage::InternalBlobData> Build(); |
+ |
+ private: |
+ scoped_ptr<::storage::InternalBlobData> data_; |
+ }; |
+ |
+ DISALLOW_COPY_AND_ASSIGN(InternalBlobData); |
+}; |
+ |
+} // namespace storage |
+#endif // STORAGE_BROWSER_BLOB_INTERNAL_BLOB_DATA_H_ |