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
40 namespace WebCore {
41
~DraggedIsolatedFileSystem()42 DraggedIsolatedFileSystem::~DraggedIsolatedFileSystem()
43 {
44 }
45
getDOMFileSystem(DataObject * host,ExecutionContext * executionContext)46 DOMFileSystem* 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
supplementName()57 const char* DraggedIsolatedFileSystem::supplementName()
58 {
59 ASSERT(isMainThread());
60 return "DraggedIsolatedFileSystem";
61 }
62
from(DataObject * dataObject)63 DraggedIsolatedFileSystem* DraggedIsolatedFileSystem::from(DataObject* dataObject)
64 {
65 return static_cast<DraggedIsolatedFileSystem*>(WillBeHeapSupplement<DataObject>::from(dataObject, supplementName()));
66 }
67
DraggedIsolatedFileSystem(DataObject & host,const String & filesystemId)68 DraggedIsolatedFileSystem::DraggedIsolatedFileSystem(DataObject& host, const String& filesystemId)
69 {
70 host.setFilesystemId(filesystemId);
71 }
72
trace(Visitor * visitor)73 void DraggedIsolatedFileSystem::trace(Visitor* visitor)
74 {
75 visitor->trace(m_filesystem);
76 WillBeHeapSupplement<DataObject>::trace(visitor);
77 }
78
79 } // namespace WebCore
80