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_H_ 6 #define CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_H_ 7 8 #include <vector> 9 10 #include "base/basictypes.h" 11 #include "base/memory/scoped_vector.h" 12 #include "base/strings/string16.h" 13 #include "content/common/content_export.h" 14 #include "third_party/WebKit/public/platform/WebIDBTypes.h" 15 16 namespace WebKit { 17 class WebIDBKey; 18 } 19 20 namespace content { 21 22 class CONTENT_EXPORT IndexedDBKey { 23 public: 24 typedef std::vector<IndexedDBKey> KeyArray; 25 26 IndexedDBKey(); // Defaults to WebKit::WebIDBKeyTypeInvalid. 27 IndexedDBKey(WebKit::WebIDBKeyType); // must be Null or Invalid 28 explicit IndexedDBKey(const KeyArray& array); 29 explicit IndexedDBKey(const string16& str); 30 IndexedDBKey(double number, 31 WebKit::WebIDBKeyType type); // must be date or number 32 ~IndexedDBKey(); 33 34 bool IsValid() const; 35 36 int Compare(const IndexedDBKey& other) const; 37 bool IsLessThan(const IndexedDBKey& other) const; 38 bool IsEqual(const IndexedDBKey& other) const; 39 40 WebKit::WebIDBKeyType type() const { return type_; } 41 const std::vector<IndexedDBKey>& array() const { return array_; } 42 const string16& string() const { return string_; } 43 double date() const { return date_; } 44 double number() const { return number_; } 45 46 size_t size_estimate() const { return size_estimate_; } 47 48 private: 49 WebKit::WebIDBKeyType type_; 50 std::vector<IndexedDBKey> array_; 51 string16 string_; 52 double date_; 53 double number_; 54 55 size_t size_estimate_; 56 }; 57 58 } // namespace content 59 60 #endif // CONTENT_COMMON_INDEXED_DB_INDEXED_DB_KEY_H_ 61
