content/browser/indexed_db/indexed_db_value.h

   1 // Copyright 2014 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 CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_VALUE_H_
   6 #define CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_VALUE_H_
   7
   8 #include <algorithm>
   9 #include <string>
  10 #include <vector>
  11
  12 #include "content/browser/indexed_db/indexed_db_blob_info.h"
  13 #include "content/common/content_export.h"
  14
  15 namespace content {
  16
  17 struct CONTENT_EXPORT IndexedDBValue {
  18   IndexedDBValue();
  19   IndexedDBValue(const std::string& input_bits,
  20                  const std::vector<IndexedDBBlobInfo>& input_blob_info);
  21   IndexedDBValue(const IndexedDBValue& other);
  22   ~IndexedDBValue();
  23   IndexedDBValue& operator=(const IndexedDBValue& other);
  24
  25   void swap(IndexedDBValue& value) {
  26     bits.swap(value.bits);
  27     blob_info.swap(value.blob_info);
  28   }
  29
  30   bool empty() const { return bits.empty(); }
  31   void clear() {
  32     bits.clear();
  33     blob_info.clear();
  34   }
  35
  36   size_t SizeEstimate() const {
  37     return bits.size() + blob_info.size() * sizeof(IndexedDBBlobInfo);
  38   }
  39
  40   std::string bits;
  41   std::vector<IndexedDBBlobInfo> blob_info;
  42 };
  43
  44 }  // namespace content
  45
  46 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_VALUE_H_