1/*
2 * Copyright (C) 2009 Google 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 are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31#include "config.h"
32
33#if ENABLE(DATABASE)
34#include "V8Database.h"
35
36#include "Database.h"
37#include "V8Binding.h"
38#include "V8CustomSQLTransactionCallback.h"
39#include "V8CustomSQLTransactionErrorCallback.h"
40#include "V8CustomVoidCallback.h"
41#include "V8Proxy.h"
42
43namespace WebCore {
44
45v8::Handle<v8::Value> V8Database::changeVersionCallback(const v8::Arguments& args)
46{
47    INC_STATS("DOM.Database.changeVersion()");
48
49    if (args.Length() < 2)
50        return throwError("The old and new version strings are required.", V8Proxy::SyntaxError);
51
52    if (!(args[0]->IsString() && args[1]->IsString()))
53        return throwError("The old and new versions must be strings.");
54
55    Database* database = V8Database::toNative(args.Holder());
56
57    Frame* frame = V8Proxy::retrieveFrameForCurrentContext();
58    if (!frame)
59        return v8::Undefined();
60
61    RefPtr<V8CustomSQLTransactionCallback> callback;
62    if (args.Length() > 2) {
63        if (!args[2]->IsObject())
64            return throwError("changeVersion transaction callback must be of valid type.");
65
66        callback = V8CustomSQLTransactionCallback::create(args[2], frame);
67    }
68
69    RefPtr<V8CustomSQLTransactionErrorCallback> errorCallback;
70    if (args.Length() > 3) {
71        if (!args[3]->IsObject())
72            return throwError("changeVersion error callback must be of valid type.");
73
74        errorCallback = V8CustomSQLTransactionErrorCallback::create(args[3], frame);
75    }
76
77    RefPtr<V8CustomVoidCallback> successCallback;
78    if (args.Length() > 4) {
79        if (!args[4]->IsObject())
80            return throwError("changeVersion success callback must be of valid type.");
81
82        successCallback = V8CustomVoidCallback::create(args[4], frame);
83    }
84
85    database->changeVersion(toWebCoreString(args[0]), toWebCoreString(args[1]), callback.release(), errorCallback.release(), successCallback.release());
86
87    return v8::Undefined();
88}
89
90static v8::Handle<v8::Value> createTransaction(const v8::Arguments& args, bool readOnly)
91{
92    if (!args.Length())
93        return throwError("Transaction callback is required.", V8Proxy::SyntaxError);
94
95    if (!args[0]->IsObject())
96        return throwError("Transaction callback must be of valid type.");
97
98    Database* database = V8Database::toNative(args.Holder());
99
100    Frame* frame = V8Proxy::retrieveFrameForCurrentContext();
101    if (!frame)
102        return v8::Undefined();
103
104    RefPtr<V8CustomSQLTransactionCallback> callback = V8CustomSQLTransactionCallback::create(args[0], frame);
105
106    RefPtr<V8CustomSQLTransactionErrorCallback> errorCallback;
107    if (args.Length() > 1) {
108        if (!args[1]->IsObject())
109            return throwError("Transaction error callback must be of valid type.");
110
111        errorCallback = V8CustomSQLTransactionErrorCallback::create(args[1], frame);
112    }
113
114    RefPtr<V8CustomVoidCallback> successCallback;
115    if (args.Length() > 2) {
116        if (!args[2]->IsObject())
117            return throwError("Transaction success callback must be of valid type.");
118
119        successCallback = V8CustomVoidCallback::create(args[2], frame);
120    }
121
122    database->transaction(callback.release(), errorCallback.release(), successCallback.release(), readOnly);
123    return v8::Undefined();
124}
125
126v8::Handle<v8::Value> V8Database::transactionCallback(const v8::Arguments& args)
127{
128    INC_STATS("DOM.Database.transaction()");
129    return createTransaction(args, false);
130}
131
132v8::Handle<v8::Value> V8Database::readTransactionCallback(const v8::Arguments& args)
133{
134    INC_STATS("DOM.Database.readTransaction()");
135    return createTransaction(args, true);
136}
137
138} // namespace WebCore
139
140#endif
141