1 /*
2 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved.
3 * Copyright (C) 2008, 2009 Google Inc.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY
15 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
21 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
22 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
24 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 */
26
27 #include "config.h"
28 #include "core/dom/DataTransferItemList.h"
29
30 #include "bindings/v8/ExceptionState.h"
31 #include "core/dom/Clipboard.h"
32 #include "core/dom/DataTransferItem.h"
33 #include "core/dom/ExceptionCode.h"
34 #include "core/platform/chromium/ChromiumDataObject.h"
35
36 namespace WebCore {
37
create(PassRefPtr<Clipboard> clipboard,PassRefPtr<ChromiumDataObject> list)38 PassRefPtr<DataTransferItemList> DataTransferItemList::create(PassRefPtr<Clipboard> clipboard, PassRefPtr<ChromiumDataObject> list)
39 {
40 return adoptRef(new DataTransferItemList(clipboard, list));
41 }
42
~DataTransferItemList()43 DataTransferItemList::~DataTransferItemList()
44 {
45 }
46
length() const47 size_t DataTransferItemList::length() const
48 {
49 if (!m_clipboard->canReadTypes())
50 return 0;
51 return m_dataObject->length();
52 }
53
item(unsigned long index)54 PassRefPtr<DataTransferItem> DataTransferItemList::item(unsigned long index)
55 {
56 if (!m_clipboard->canReadTypes())
57 return 0;
58 RefPtr<ChromiumDataObjectItem> item = m_dataObject->item(index);
59 if (!item)
60 return 0;
61
62 return DataTransferItem::create(m_clipboard, item);
63 }
64
deleteItem(unsigned long index,ExceptionState & exceptionState)65 void DataTransferItemList::deleteItem(unsigned long index, ExceptionState& exceptionState)
66 {
67 if (!m_clipboard->canWriteData()) {
68 exceptionState.throwDOMException(InvalidStateError, "The list is not writable.");
69 return;
70 }
71 m_dataObject->deleteItem(index);
72 }
73
clear()74 void DataTransferItemList::clear()
75 {
76 if (!m_clipboard->canWriteData())
77 return;
78 m_dataObject->clearAll();
79 }
80
add(const String & data,const String & type,ExceptionState & exceptionState)81 PassRefPtr<DataTransferItem> DataTransferItemList::add(const String& data, const String& type, ExceptionState& exceptionState)
82 {
83 if (!m_clipboard->canWriteData())
84 return 0;
85 RefPtr<ChromiumDataObjectItem> item = m_dataObject->add(data, type);
86 if (!item) {
87 exceptionState.throwDOMException(NotSupportedError, "An item already exists for type '" + type + "'.");
88 return 0;
89 }
90 return DataTransferItem::create(m_clipboard, item);
91 }
92
add(PassRefPtr<File> file)93 PassRefPtr<DataTransferItem> DataTransferItemList::add(PassRefPtr<File> file)
94 {
95 if (!m_clipboard->canWriteData())
96 return 0;
97 RefPtr<ChromiumDataObjectItem> item = m_dataObject->add(file);
98 if (!item)
99 return 0;
100 return DataTransferItem::create(m_clipboard, item);
101 }
102
DataTransferItemList(PassRefPtr<Clipboard> clipboard,PassRefPtr<ChromiumDataObject> dataObject)103 DataTransferItemList::DataTransferItemList(PassRefPtr<Clipboard> clipboard, PassRefPtr<ChromiumDataObject> dataObject)
104 : m_clipboard(clipboard)
105 , m_dataObject(dataObject)
106 {
107 ScriptWrappable::init(this);
108 }
109
110 } // namespace WebCore
111