1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* Copyright (C) 2012 Google Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
*
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following disclaimer
* in the documentation and/or other materials provided with the
* distribution.
* * Neither the name of Google Inc. nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "modules/filesystem/DraggedIsolatedFileSystemImpl.h"
#include "core/dom/ExecutionContext.h"
#include "modules/filesystem/DOMFileSystem.h"
#include "platform/Supplementable.h"
#include "platform/weborigin/SecurityOrigin.h"
namespace blink {
DOMFileSystem* DraggedIsolatedFileSystemImpl::getDOMFileSystem(
DataObject* host,
ExecutionContext* executionContext,
const DataObjectItem& item) {
if (!item.hasFileSystemId())
return nullptr;
const String fileSystemId = item.fileSystemId();
DraggedIsolatedFileSystemImpl* draggedIsolatedFileSystem = from(host);
if (!draggedIsolatedFileSystem)
return nullptr;
auto it = draggedIsolatedFileSystem->m_filesystems.find(fileSystemId);
if (it != draggedIsolatedFileSystem->m_filesystems.end())
return it->value;
return draggedIsolatedFileSystem->m_filesystems
.add(fileSystemId, DOMFileSystem::createIsolatedFileSystem(
executionContext, fileSystemId))
.storedValue->value;
}
// static
const char* DraggedIsolatedFileSystemImpl::supplementName() {
ASSERT(isMainThread());
return "DraggedIsolatedFileSystemImpl";
}
DraggedIsolatedFileSystemImpl* DraggedIsolatedFileSystemImpl::from(
DataObject* dataObject) {
return static_cast<DraggedIsolatedFileSystemImpl*>(
Supplement<DataObject>::from(dataObject, supplementName()));
}
DEFINE_TRACE(DraggedIsolatedFileSystemImpl) {
visitor->trace(m_filesystems);
Supplement<DataObject>::trace(visitor);
}
void DraggedIsolatedFileSystemImpl::prepareForDataObject(
DataObject* dataObject) {
DraggedIsolatedFileSystemImpl* fileSystem =
new DraggedIsolatedFileSystemImpl();
DraggedIsolatedFileSystemImpl::provideTo(
*dataObject, DraggedIsolatedFileSystemImpl::supplementName(), fileSystem);
}
} // namespace blink
|
