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();
  22
  23   void swap(IndexedDBValue& value) {
  24     bits.swap(value.bits);
  25     blob_info.swap(value.blob_info);
  26   }
  27
  28   bool empty() const { return bits.empty(); }
  29   void clear() {
  30     bits.clear();
  31     blob_info.clear();
  32   }
  33
  34   size_t SizeEstimate() const {
  35     return bits.size() + blob_info.size() * sizeof(IndexedDBBlobInfo);
  36   }
  37
  38   std::string bits;
  39   std::vector<IndexedDBBlobInfo> blob_info;
  40 };
  41
  42 }  // namespace content
  43
  44 #endif  // CONTENT_BROWSER_INDEXED_DB_INDEXED_DB_VALUE_H_