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 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#include "modules/filesystem/DraggedIsolatedFileSystem.h"
33
34#include "core/dom/ExecutionContext.h"
35#include "modules/filesystem/DOMFileSystem.h"
36#include "platform/Supplementable.h"
37#include "platform/weborigin/SecurityOrigin.h"
38#include "wtf/MainThread.h"
39
40namespace blink {
41
42DraggedIsolatedFileSystem::~DraggedIsolatedFileSystem()
43{
44}
45
46DOMFileSystem* DraggedIsolatedFileSystem::getDOMFileSystem(DataObject* host, ExecutionContext* executionContext)
47{
48    DraggedIsolatedFileSystem* draggedIsolatedFileSystem = from(host);
49    if (!draggedIsolatedFileSystem)
50        return 0;
51    if (!draggedIsolatedFileSystem->m_filesystem)
52        draggedIsolatedFileSystem->m_filesystem = DOMFileSystem::createIsolatedFileSystem(executionContext, host->filesystemId());
53    return draggedIsolatedFileSystem->m_filesystem.get();
54}
55
56// static
57const char* DraggedIsolatedFileSystem::supplementName()
58{
59    ASSERT(isMainThread());
60    return "DraggedIsolatedFileSystem";
61}
62
63DraggedIsolatedFileSystem* DraggedIsolatedFileSystem::from(DataObject* dataObject)
64{
65    return static_cast<DraggedIsolatedFileSystem*>(WillBeHeapSupplement<DataObject>::from(dataObject, supplementName()));
66}
67
68DraggedIsolatedFileSystem::DraggedIsolatedFileSystem(DataObject& host, const String& filesystemId)
69{
70    host.setFilesystemId(filesystemId);
71}
72
73void DraggedIsolatedFileSystem::trace(Visitor* visitor)
74{
75    visitor->trace(m_filesystem);
76    WillBeHeapSupplement<DataObject>::trace(visitor);
77}
78
79} // namespace blink
80