1/*
2 * Copyright (C) 2012 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
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 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
16 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
17 * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
18 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
19 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
20 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
21 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#ifndef IDBOpenDBRequest_h
27#define IDBOpenDBRequest_h
28
29#if ENABLE(INDEXED_DATABASE)
30
31#include "IDBRequest.h"
32#include "IndexedDB.h"
33
34namespace WebCore {
35
36class IDBDatabaseCallbacks;
37
38class IDBOpenDBRequest : public IDBRequest {
39public:
40    static PassRefPtr<IDBOpenDBRequest> create(ScriptExecutionContext*, PassRefPtr<IDBDatabaseCallbacks>, int64_t transactionId, uint64_t version, IndexedDB::VersionNullness);
41    virtual ~IDBOpenDBRequest();
42
43    using IDBRequest::onSuccess;
44
45    virtual void onBlocked(uint64_t existingVersion) override;
46    virtual void onUpgradeNeeded(uint64_t oldVersion, PassRefPtr<IDBDatabaseBackend>, const IDBDatabaseMetadata&) override;
47    virtual void onSuccess(PassRefPtr<IDBDatabaseBackend>, const IDBDatabaseMetadata&) override;
48
49    // EventTarget
50    virtual EventTargetInterface eventTargetInterface() const;
51    virtual bool dispatchEvent(PassRefPtr<Event>) override;
52
53    DEFINE_ATTRIBUTE_EVENT_LISTENER(blocked);
54    DEFINE_ATTRIBUTE_EVENT_LISTENER(upgradeneeded);
55
56protected:
57    virtual bool shouldEnqueueEvent() const override;
58
59private:
60    IDBOpenDBRequest(ScriptExecutionContext*, PassRefPtr<IDBDatabaseCallbacks>, int64_t transactionId, uint64_t version, IndexedDB::VersionNullness);
61
62    RefPtr<IDBDatabaseCallbacks> m_databaseCallbacks;
63    const int64_t m_transactionId;
64    uint64_t m_version;
65    IndexedDB::VersionNullness m_versionNullness;
66};
67
68} // namespace WebCore
69
70#endif // ENABLE(INDEXED_DATABASE)
71
72#endif // IDBOpenDBRequest_h
73