content/common/indexed_db/indexed_db_key_range.h

   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
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_RANGE_H_
   6 #define CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_RANGE_H_
   7
   8 #include "base/basictypes.h"
   9 #include "content/common/content_export.h"
  10 #include "content/common/indexed_db/indexed_db_key.h"
  11
  12 namespace content {
  13
  14 class CONTENT_EXPORT IndexedDBKeyRange {
  15  public:
  16   IndexedDBKeyRange();
  17   explicit IndexedDBKeyRange(const IndexedDBKey& key);
  18   IndexedDBKeyRange(const IndexedDBKey& lower,
  19                     const IndexedDBKey& upper,
  20                     bool lower_open,
  21                     bool upper_open);
  22   IndexedDBKeyRange(const IndexedDBKeyRange& other);
  23   ~IndexedDBKeyRange();
  24   IndexedDBKeyRange& operator=(const IndexedDBKeyRange& other);
  25
  26   const IndexedDBKey& lower() const { return lower_; }
  27   const IndexedDBKey& upper() const { return upper_; }
  28   bool lower_open() const { return lower_open_; }
  29   bool upper_open() const { return upper_open_; }
  30
  31   bool IsOnlyKey() const;
  32   bool IsEmpty() const;
  33
  34  private:
  35   IndexedDBKey lower_ = IndexedDBKey(blink::WebIDBKeyTypeNull);
  36   IndexedDBKey upper_ = IndexedDBKey(blink::WebIDBKeyTypeNull);
  37   bool lower_open_ = false;
  38   bool upper_open_ = false;
  39 };
  40
  41 }  // namespace content
  42
  43 #endif  // CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_RANGE_H_