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
|
/*
* Copyright (C) 2013 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef Database_h
#define Database_h
#include "bindings/core/v8/ScriptWrappable.h"
#include "modules/webdatabase/DatabaseBasicTypes.h"
#include "modules/webdatabase/DatabaseError.h"
#include "modules/webdatabase/sqlite/SQLiteDatabase.h"
#include "platform/weborigin/SecurityOrigin.h"
#include "wtf/Deque.h"
#include "wtf/text/WTFString.h"
namespace blink {
class ChangeVersionData;
class DatabaseAuthorizer;
class DatabaseContext;
class ExecutionContext;
class SQLTransaction;
class SQLTransactionBackend;
class SQLTransactionCallback;
class SQLTransactionClient;
class SQLTransactionCoordinator;
class SQLTransactionErrorCallback;
class VoidCallback;
class Database final : public GarbageCollectedFinalized<Database>, public ScriptWrappable {
DEFINE_WRAPPERTYPEINFO();
public:
virtual ~Database();
void trace(Visitor*);
bool openAndVerifyVersion(bool setVersionInNewDatabase, DatabaseError&, String& errorMessage);
void close();
SQLTransactionBackend* runTransaction(SQLTransaction*, bool readOnly, const ChangeVersionData*);
void scheduleTransactionStep(SQLTransactionBackend*);
void inProgressTransactionCompleted();
SQLTransactionClient* transactionClient() const;
SQLTransactionCoordinator* transactionCoordinator() const;
// Direct support for the DOM API
String version() const;
void changeVersion(
const String& oldVersion,
const String& newVersion,
SQLTransactionCallback*,
SQLTransactionErrorCallback*,
VoidCallback* successCallback);
void transaction(
SQLTransactionCallback*,
SQLTransactionErrorCallback*,
VoidCallback* successCallback);
void readTransaction(
SQLTransactionCallback*,
SQLTransactionErrorCallback*,
VoidCallback* successCallback);
bool opened() const { return m_opened; }
bool isNew() const { return m_new; }
SecurityOrigin* securityOrigin() const;
String stringIdentifier() const;
String displayName() const;
unsigned long estimatedSize() const;
String fileName() const;
SQLiteDatabase& sqliteDatabase() { return m_sqliteDatabase; }
unsigned long long maximumSize() const;
void incrementalVacuumIfNeeded();
void disableAuthorizer();
void enableAuthorizer();
void setAuthorizerPermissions(int);
bool lastActionChangedDatabase();
bool lastActionWasInsert();
void resetDeletes();
bool hadDeletes();
void resetAuthorizer();
Vector<String> tableNames();
void scheduleTransactionCallback(SQLTransaction*);
void closeImmediately();
void closeDatabase();
DatabaseContext* databaseContext() const { return m_databaseContext.get(); }
ExecutionContext* executionContext() const;
private:
class DatabaseOpenTask;
class DatabaseCloseTask;
class DatabaseTransactionTask;
class DatabaseTableNamesTask;
Database(DatabaseContext*, const String& name, const String& expectedVersion, const String& displayName, unsigned long estimatedSize);
bool performOpenAndVerify(bool setVersionInNewDatabase, DatabaseError&, String& errorMessage);
void scheduleTransaction();
bool getVersionFromDatabase(String& version, bool shouldCacheVersion = true);
bool setVersionInDatabase(const String& version, bool shouldCacheVersion = true);
void setExpectedVersion(const String&);
const String& expectedVersion() const { return m_expectedVersion; }
String getCachedVersion()const;
void setCachedVersion(const String&);
bool getActualVersionForTransaction(String& version);
void runTransaction(
SQLTransactionCallback*,
SQLTransactionErrorCallback*,
VoidCallback* successCallback,
bool readOnly,
const ChangeVersionData* = 0);
Vector<String> performGetTableNames();
void reportOpenDatabaseResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode);
void reportChangeVersionResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode);
void reportStartTransactionResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode);
void reportCommitTransactionResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode);
void reportExecuteStatementResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode);
void reportVacuumDatabaseResult(int sqliteErrorCode);
void logErrorMessage(const String&);
static const char* databaseInfoTableName();
#if !LOG_DISABLED || !ERROR_DISABLED
String databaseDebugName() const { return m_contextThreadSecurityOrigin->toString() + "::" + m_name; }
#endif
RefPtr<SecurityOrigin> m_contextThreadSecurityOrigin;
RefPtr<SecurityOrigin> m_databaseThreadSecurityOrigin;
Member<DatabaseContext> m_databaseContext; // Associated with m_executionContext.
String m_name;
String m_expectedVersion;
String m_displayName;
unsigned long m_estimatedSize;
String m_filename;
DatabaseGuid m_guid;
bool m_opened;
bool m_new;
SQLiteDatabase m_sqliteDatabase;
Member<DatabaseAuthorizer> m_databaseAuthorizer;
HeapDeque<Member<SQLTransactionBackend> > m_transactionQueue;
Mutex m_transactionInProgressMutex;
bool m_transactionInProgress;
bool m_isTransactionQueueEnabled;
friend class ChangeVersionWrapper;
friend class DatabaseManager;
friend class SQLStatementBackend;
friend class SQLTransaction;
friend class SQLTransactionBackend;
};
} // namespace blink
#endif // Database_h
|
