1 /*
2 * Copyright (C) 2011 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 "DataTransferItemsChromium.h"
33
34 #if ENABLE(DATA_TRANSFER_ITEMS)
35
36 #include "Clipboard.h"
37 #include "DataTransferItemChromium.h"
38 #include "ExceptionCode.h"
39
40 namespace WebCore {
41
create(PassRefPtr<Clipboard> owner,ScriptExecutionContext * context)42 PassRefPtr<DataTransferItemsChromium> DataTransferItemsChromium::create(PassRefPtr<Clipboard> owner, ScriptExecutionContext* context)
43 {
44 return adoptRef(new DataTransferItemsChromium(owner, context));
45 }
46
DataTransferItemsChromium(PassRefPtr<Clipboard> owner,ScriptExecutionContext * context)47 DataTransferItemsChromium::DataTransferItemsChromium(PassRefPtr<Clipboard> owner, ScriptExecutionContext* context)
48 : m_owner(owner)
49 , m_context(context)
50 {
51 }
52
length() const53 unsigned long DataTransferItemsChromium::length() const
54 {
55 if (m_owner->policy() == ClipboardNumb)
56 return 0;
57 return m_items.size();
58 }
59
item(unsigned long index) const60 PassRefPtr<DataTransferItem> DataTransferItemsChromium::item(unsigned long index) const
61 {
62 if (m_owner->policy() == ClipboardNumb || index >= length())
63 return 0;
64 return m_items[index];
65 }
66
deleteItem(unsigned long index,ExceptionCode & ec)67 void DataTransferItemsChromium::deleteItem(unsigned long index, ExceptionCode& ec)
68 {
69 if (m_owner->policy() != ClipboardWritable) {
70 ec = INVALID_STATE_ERR;
71 return;
72 }
73
74 if (index >= length())
75 return;
76
77 m_items.remove(index);
78 }
79
clear()80 void DataTransferItemsChromium::clear()
81 {
82 if (m_owner->policy() != ClipboardWritable)
83 return;
84
85 m_items.clear();
86 }
87
add(const String & data,const String & type,ExceptionCode & ec)88 void DataTransferItemsChromium::add(const String& data, const String& type, ExceptionCode& ec)
89 {
90 if (m_owner->policy() != ClipboardWritable)
91 return;
92
93 // Only one 'string' item with a given type is allowed in the collection.
94 for (size_t i = 0; i < m_items.size(); ++i) {
95 if (m_items[i]->type() == type && m_items[i]->kind() == DataTransferItem::kindString) {
96 ec = INVALID_STATE_ERR;
97 return;
98 }
99 }
100
101 m_items.append(DataTransferItemChromium::create(m_owner, m_context, data, type));
102 }
103
addPasteboardItem(const String & type)104 void DataTransferItemsChromium::addPasteboardItem(const String& type)
105 {
106 m_items.append(DataTransferItemChromium::createFromPasteboard(m_owner, m_context, type));
107 }
108
109 } // namespace WebCore
110
111 #endif // ENABLE(DATA_TRANSFER_ITEMS)
112