1/*
2 * Copyright (C) 2011, 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 met:
6 *
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY GOOGLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
19 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
20 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
23 * DAMAGE.
24 */
25
26#include "config.h"
27#include "DOMWindowIndexedDatabase.h"
28
29#if ENABLE(INDEXED_DATABASE)
30
31#include "DOMWindow.h"
32#include "DatabaseProvider.h"
33#include "Document.h"
34#include "IDBFactory.h"
35#include "Page.h"
36
37namespace WebCore {
38
39DOMWindowIndexedDatabase::DOMWindowIndexedDatabase(DOMWindow* window)
40 : DOMWindowProperty(window)
41{
42}
43
44DOMWindowIndexedDatabase::~DOMWindowIndexedDatabase() = default;
45
46const char* DOMWindowIndexedDatabase::supplementName()
47{
48 return "DOMWindowIndexedDatabase";
49}
50
51DOMWindowIndexedDatabase* DOMWindowIndexedDatabase::from(DOMWindow* window)
52{
53 DOMWindowIndexedDatabase* supplement = static_cast<DOMWindowIndexedDatabase*>(Supplement<DOMWindow>::from(window, supplementName()));
54 if (!supplement) {
55 auto newSupplement = std::make_unique<DOMWindowIndexedDatabase>(window);
56 supplement = newSupplement.get();
57 provideTo(window, supplementName(), WTFMove(newSupplement));
58 }
59 return supplement;
60}
61
62IDBFactory* DOMWindowIndexedDatabase::indexedDB(DOMWindow& window)
63{
64 return from(&window)->indexedDB();
65}
66
67IDBFactory* DOMWindowIndexedDatabase::indexedDB()
68{
69 auto* window = this->window();
70 if (!window)
71 return nullptr;
72
73 auto* document = window->document();
74 if (!document)
75 return nullptr;
76
77 auto* page = document->page();
78 if (!page)
79 return nullptr;
80
81 if (!window->isCurrentlyDisplayedInFrame())
82 return nullptr;
83
84 if (!m_idbFactory) {
85 auto* connectionProxy = document->idbConnectionProxy();
86 if (!connectionProxy)
87 return nullptr;
88
89 m_idbFactory = IDBFactory::create(*connectionProxy);
90 }
91
92 return m_idbFactory.get();
93}
94
95} // namespace WebCore
96
97#endif // ENABLE(INDEXED_DATABASE)
98