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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
|
/*
* Copyright (C) 2011 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 "core/clipboard/DataTransferItem.h"
#include "bindings/core/v8/V8Binding.h"
#include "core/clipboard/DataObjectItem.h"
#include "core/clipboard/DataTransfer.h"
#include "core/dom/ExecutionContext.h"
#include "core/dom/ExecutionContextTask.h"
#include "core/dom/StringCallback.h"
#include "core/dom/TaskRunnerHelper.h"
#include "public/platform/WebTraceLocation.h"
#include "wtf/StdLibExtras.h"
#include "wtf/text/WTFString.h"
namespace blink {
DataTransferItem* DataTransferItem::create(DataTransfer* dataTransfer,
DataObjectItem* item) {
return new DataTransferItem(dataTransfer, item);
}
String DataTransferItem::kind() const {
DEFINE_STATIC_LOCAL(const String, kindString, ("string"));
DEFINE_STATIC_LOCAL(const String, kindFile, ("file"));
if (!m_dataTransfer->canReadTypes())
return String();
switch (m_item->kind()) {
case DataObjectItem::StringKind:
return kindString;
case DataObjectItem::FileKind:
return kindFile;
}
ASSERT_NOT_REACHED();
return String();
}
String DataTransferItem::type() const {
if (!m_dataTransfer->canReadTypes())
return String();
return m_item->type();
}
void DataTransferItem::getAsString(ScriptState* scriptState,
StringCallback* callback) const {
if (!m_dataTransfer->canReadData())
return;
if (!callback || m_item->kind() != DataObjectItem::StringKind)
return;
scriptState->getExecutionContext()->postTask(
TaskType::UserInteraction, BLINK_FROM_HERE,
createSameThreadTask(&StringCallback::handleEvent,
wrapPersistent(callback), m_item->getAsString()),
"DataTransferItem.getAsString");
}
Blob* DataTransferItem::getAsFile() const {
if (!m_dataTransfer->canReadData())
return nullptr;
return m_item->getAsFile();
}
DataTransferItem::DataTransferItem(DataTransfer* dataTransfer,
DataObjectItem* item)
: m_dataTransfer(dataTransfer), m_item(item) {}
DEFINE_TRACE(DataTransferItem) {
visitor->trace(m_dataTransfer);
visitor->trace(m_item);
}
} // namespace blink
|
