summaryrefslogtreecommitdiffstats
path: root/dom/indexedDB/IDBKeyRange.h
blob: 6371c0396432334a59c52a421a675e32ca0b582d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

#ifndef mozilla_dom_idbkeyrange_h__
#define mozilla_dom_idbkeyrange_h__

#include "js/RootingAPI.h"
#include "js/Value.h"
#include "mozilla/Attributes.h"
#include "mozilla/dom/IndexedDatabaseManager.h"
#include "mozilla/dom/indexedDB/Key.h"
#include "nsCOMPtr.h"
#include "nsCycleCollectionParticipant.h"
#include "nsISupports.h"
#include "nsString.h"

class mozIStorageStatement;
struct PRThread;

namespace mozilla {

class ErrorResult;

namespace dom {

class GlobalObject;

namespace indexedDB {
class SerializedKeyRange;
} // namespace indexedDB

class IDBKeyRange
  : public nsISupports
{
protected:
  nsCOMPtr<nsISupports> mGlobal;
  indexedDB::Key mLower;
  indexedDB::Key mUpper;
  JS::Heap<JS::Value> mCachedLowerVal;
  JS::Heap<JS::Value> mCachedUpperVal;

  const bool mLowerOpen : 1;
  const bool mUpperOpen : 1;
  const bool mIsOnly : 1;
  bool mHaveCachedLowerVal : 1;
  bool mHaveCachedUpperVal : 1;
  bool mRooted : 1;

#ifdef DEBUG
  PRThread* mOwningThread;
#endif

public:
  NS_DECL_CYCLE_COLLECTING_ISUPPORTS
  NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(IDBKeyRange)

  // aCx is allowed to be null, but only if aVal.isUndefined().
  static nsresult
  FromJSVal(JSContext* aCx,
            JS::Handle<JS::Value> aVal,
            IDBKeyRange** aKeyRange);

  static already_AddRefed<IDBKeyRange>
  FromSerialized(const indexedDB::SerializedKeyRange& aKeyRange);

  static already_AddRefed<IDBKeyRange>
  Only(const GlobalObject& aGlobal,
       JS::Handle<JS::Value> aValue,
       ErrorResult& aRv);

  static already_AddRefed<IDBKeyRange>
  LowerBound(const GlobalObject& aGlobal,
             JS::Handle<JS::Value> aValue,
             bool aOpen,
             ErrorResult& aRv);

  static already_AddRefed<IDBKeyRange>
  UpperBound(const GlobalObject& aGlobal,
             JS::Handle<JS::Value> aValue,
             bool aOpen,
             ErrorResult& aRv);

  static already_AddRefed<IDBKeyRange>
  Bound(const GlobalObject& aGlobal,
        JS::Handle<JS::Value> aLower,
        JS::Handle<JS::Value> aUpper,
        bool aLowerOpen,
        bool aUpperOpen,
        ErrorResult& aRv);

  void
  AssertIsOnOwningThread() const
#ifdef DEBUG
  ;
#else
  { }
#endif

  void
  ToSerialized(indexedDB::SerializedKeyRange& aKeyRange) const;

  const indexedDB::Key&
  Lower() const
  {
    return mLower;
  }

  indexedDB::Key&
  Lower()
  {
    return mLower;
  }

  const indexedDB::Key&
  Upper() const
  {
    return mIsOnly ? mLower : mUpper;
  }

  indexedDB::Key&
  Upper()
  {
    return mIsOnly ? mLower : mUpper;
  }

  bool
  Includes(JSContext* aCx,
           JS::Handle<JS::Value> aKey,
           ErrorResult& aRv) const;

  bool
  IsOnly() const
  {
    return mIsOnly;
  }

  void
  GetBindingClause(const nsACString& aKeyColumnName,
                   nsACString& _retval) const;

  nsresult
  BindToStatement(mozIStorageStatement* aStatement) const;

  void
  DropJSObjects();

  // WebIDL
  bool
  WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector);

  nsISupports*
  GetParentObject() const
  {
    return mGlobal;
  }

  void
  GetLower(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
           ErrorResult& aRv);

  void
  GetUpper(JSContext* aCx, JS::MutableHandle<JS::Value> aResult,
           ErrorResult& aRv);

  bool
  LowerOpen() const
  {
    return mLowerOpen;
  }

  bool
  UpperOpen() const
  {
    return mUpperOpen;
  }

protected:
  IDBKeyRange(nsISupports* aGlobal,
              bool aLowerOpen,
              bool aUpperOpen,
              bool aIsOnly);

  virtual ~IDBKeyRange();
};

class IDBLocaleAwareKeyRange final
  : public IDBKeyRange
{
  IDBLocaleAwareKeyRange(nsISupports* aGlobal,
                         bool aLowerOpen,
                         bool aUpperOpen,
                         bool aIsOnly);

  ~IDBLocaleAwareKeyRange();

public:
  static already_AddRefed<IDBLocaleAwareKeyRange>
  Bound(const GlobalObject& aGlobal,
        JS::Handle<JS::Value> aLower,
        JS::Handle<JS::Value> aUpper,
        bool aLowerOpen,
        bool aUpperOpen,
        ErrorResult& aRv);

  NS_DECL_ISUPPORTS_INHERITED

  // WebIDL
  bool
  WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto, JS::MutableHandle<JSObject*> aReflector);
};

} // namespace dom
} // namespace mozilla

#endif // mozilla_dom_idbkeyrange_h__