1/*
2 * Copyright (C) 2007, 2008, 2013 Apple Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 *
8 * 1.  Redistributions of source code must retain the above copyright
9 *     notice, this list of conditions and the following disclaimer.
10 * 2.  Redistributions in binary form must reproduce the above copyright
11 *     notice, this list of conditions and the following disclaimer in the
12 *     documentation and/or other materials provided with the distribution.
13 * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
14 *     its contributors may be used to endorse or promote products derived
15 *     from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
18 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
19 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
20 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
21 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
22 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
23 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
24 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 */
28
29#ifndef Database_h
30#define Database_h
31
32#include "bindings/v8/ScriptWrappable.h"
33#include "modules/webdatabase/DatabaseBackend.h"
34#include "modules/webdatabase/DatabaseBase.h"
35#include "modules/webdatabase/DatabaseBasicTypes.h"
36#include "modules/webdatabase/DatabaseError.h"
37#include "wtf/text/WTFString.h"
38
39namespace WebCore {
40
41class ChangeVersionData;
42class DatabaseCallback;
43class DatabaseContext;
44class SecurityOrigin;
45class SQLTransaction;
46class SQLTransactionBackend;
47class SQLTransactionCallback;
48class SQLTransactionErrorCallback;
49class VoidCallback;
50
51class Database : public DatabaseBase, public DatabaseBackend, public ScriptWrappable {
52public:
53    virtual ~Database();
54
55    // Direct support for the DOM API
56    virtual String version() const;
57    void changeVersion(const String& oldVersion, const String& newVersion, PassOwnPtr<SQLTransactionCallback>, PassOwnPtr<SQLTransactionErrorCallback>, PassOwnPtr<VoidCallback> successCallback);
58    void transaction(PassOwnPtr<SQLTransactionCallback>, PassOwnPtr<SQLTransactionErrorCallback>, PassOwnPtr<VoidCallback> successCallback);
59    void readTransaction(PassOwnPtr<SQLTransactionCallback>, PassOwnPtr<SQLTransactionErrorCallback>, PassOwnPtr<VoidCallback> successCallback);
60
61    // Internal engine support
62    static Database* from(DatabaseBackend*);
63    DatabaseContext* databaseContext() const { return m_databaseContext.get(); }
64
65    Vector<String> tableNames();
66
67    virtual SecurityOrigin* securityOrigin() const;
68
69    virtual void closeImmediately();
70
71    void scheduleTransactionCallback(SQLTransaction*);
72
73private:
74    Database(PassRefPtr<DatabaseContext>, const String& name,
75        const String& expectedVersion, const String& displayName, unsigned long estimatedSize);
76    PassRefPtr<DatabaseBackend> backend();
77    static PassRefPtr<Database> create(ExecutionContext*, PassRefPtr<DatabaseBackendBase>);
78
79    void runTransaction(PassOwnPtr<SQLTransactionCallback>, PassOwnPtr<SQLTransactionErrorCallback>,
80        PassOwnPtr<VoidCallback> successCallback, bool readOnly, const ChangeVersionData* = 0);
81
82    Vector<String> performGetTableNames();
83
84    void reportStartTransactionResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode);
85    void reportCommitTransactionResult(int errorSite, int webSqlErrorCode, int sqliteErrorCode);
86
87    RefPtr<SecurityOrigin> m_databaseThreadSecurityOrigin;
88    RefPtr<DatabaseContext> m_databaseContext;
89
90    friend class DatabaseManager;
91    friend class DatabaseServer; // FIXME: remove this when the backend has been split out.
92    friend class DatabaseBackend; // FIXME: remove this when the backend has been split out.
93    friend class SQLStatement;
94    friend class SQLTransaction;
95};
96
97} // namespace WebCore
98
99#endif // Database_h
100