1 /*
2 * Copyright (C) 2009 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
33 #include "core/clipboard/DataObject.h"
34 #include "core/clipboard/DataTransferItem.h"
35 #include "modules/filesystem/DraggedIsolatedFileSystem.h"
36 #include "platform/clipboard/ClipboardMimeTypes.h"
37 #include "platform/heap/Handle.h"
38 #include "public/platform/WebData.h"
39 #include "public/platform/WebDragData.h"
40 #include "public/platform/WebString.h"
41 #include "public/platform/WebURL.h"
42 #include "public/platform/WebVector.h"
43 #include "wtf/HashMap.h"
44 #include "wtf/PassRefPtr.h"
45
46 namespace blink {
47
initialize()48 void WebDragData::initialize()
49 {
50 m_private = DataObject::create();
51 }
52
reset()53 void WebDragData::reset()
54 {
55 m_private.reset();
56 }
57
assign(const WebDragData & other)58 void WebDragData::assign(const WebDragData& other)
59 {
60 m_private = other.m_private;
61 }
62
WebDragData(const PassRefPtrWillBeRawPtr<DataObject> & object)63 WebDragData::WebDragData(const PassRefPtrWillBeRawPtr<DataObject>& object)
64 {
65 m_private = object;
66 }
67
operator =(const PassRefPtrWillBeRawPtr<DataObject> & object)68 WebDragData& WebDragData::operator=(const PassRefPtrWillBeRawPtr<DataObject>& object)
69 {
70 m_private = object;
71 return *this;
72 }
73
getValue() const74 DataObject* WebDragData::getValue() const
75 {
76 return m_private.get();
77 }
78
ensureMutable()79 void WebDragData::ensureMutable()
80 {
81 ASSERT(!isNull());
82 }
83
items() const84 WebVector<WebDragData::Item> WebDragData::items() const
85 {
86 Vector<Item> itemList;
87 for (size_t i = 0; i < m_private->length(); ++i) {
88 DataObjectItem* originalItem = m_private->item(i).get();
89 WebDragData::Item item;
90 if (originalItem->kind() == DataObjectItem::StringKind) {
91 item.storageType = Item::StorageTypeString;
92 item.stringType = originalItem->type();
93 item.stringData = originalItem->getAsString();
94 } else if (originalItem->kind() == DataObjectItem::FileKind) {
95 if (originalItem->sharedBuffer()) {
96 item.storageType = Item::StorageTypeBinaryData;
97 item.binaryData = originalItem->sharedBuffer();
98 } else if (originalItem->isFilename()) {
99 RefPtrWillBeRawPtr<Blob> blob = originalItem->getAsFile();
100 if (blob->isFile()) {
101 File* file = toFile(blob.get());
102 if (file->hasBackingFile()) {
103 if (file->userVisibility() == File::IsUserVisible) {
104 item.storageType = Item::StorageTypeFilename;
105 item.filenameData = file->path();
106 item.displayNameData = file->name();
107 } else {
108 item.storageType = Item::StorageTypeFileSystemFile;
109 item.fileSystemURL = file->fileSystemURL();
110 item.fileSystemFileSize = file->size();
111 }
112 } else {
113 // FIXME: support dragging constructed Files across renderers, see http://crbug.com/394955
114 item.storageType = Item::StorageTypeString;
115 item.stringType = "text/plain";
116 item.stringData = file->name();
117 }
118 } else {
119 ASSERT_NOT_REACHED();
120 }
121 } else {
122 ASSERT_NOT_REACHED();
123 }
124 } else {
125 ASSERT_NOT_REACHED();
126 }
127 item.title = originalItem->title();
128 item.baseURL = originalItem->baseURL();
129 itemList.append(item);
130 }
131 return itemList;
132 }
133
setItems(const WebVector<Item> & itemList)134 void WebDragData::setItems(const WebVector<Item>& itemList)
135 {
136 m_private->clearAll();
137 for (size_t i = 0; i < itemList.size(); ++i)
138 addItem(itemList[i]);
139 }
140
addItem(const Item & item)141 void WebDragData::addItem(const Item& item)
142 {
143 ensureMutable();
144 switch (item.storageType) {
145 case Item::StorageTypeString:
146 if (String(item.stringType) == mimeTypeTextURIList)
147 m_private->setURLAndTitle(item.stringData, item.title);
148 else if (String(item.stringType) == mimeTypeTextHTML)
149 m_private->setHTMLAndBaseURL(item.stringData, item.baseURL);
150 else
151 m_private->setData(item.stringType, item.stringData);
152 return;
153 case Item::StorageTypeFilename:
154 m_private->addFilename(item.filenameData, item.displayNameData);
155 return;
156 case Item::StorageTypeBinaryData:
157 // This should never happen when dragging in.
158 ASSERT_NOT_REACHED();
159 return;
160 case Item::StorageTypeFileSystemFile:
161 {
162 FileMetadata fileMetadata;
163 fileMetadata.length = item.fileSystemFileSize;
164 m_private->add(File::createForFileSystemFile(item.fileSystemURL, fileMetadata));
165 }
166 return;
167 }
168 }
169
filesystemId() const170 WebString WebDragData::filesystemId() const
171 {
172 ASSERT(!isNull());
173 return m_private.get()->filesystemId();
174 }
175
setFilesystemId(const WebString & filesystemId)176 void WebDragData::setFilesystemId(const WebString& filesystemId)
177 {
178 // The ID is an opaque string, given by and validated by chromium port.
179 ensureMutable();
180 DraggedIsolatedFileSystem::provideTo(*m_private.get(), DraggedIsolatedFileSystem::supplementName(), DraggedIsolatedFileSystem::create(*m_private.get(), filesystemId));
181 }
182
183 } // namespace blink
184