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 48 void WebDragData::initialize() 49 { 50 m_private = DataObject::create(); 51 } 52 53 void WebDragData::reset() 54 { 55 m_private.reset(); 56 } 57 58 void WebDragData::assign(const WebDragData& other) 59 { 60 m_private = other.m_private; 61 } 62 63 WebDragData::WebDragData(const PassRefPtrWillBeRawPtr<DataObject>& object) 64 { 65 m_private = object; 66 } 67 68 WebDragData& WebDragData::operator=(const PassRefPtrWillBeRawPtr<DataObject>& object) 69 { 70 m_private = object; 71 return *this; 72 } 73 74 DataObject* WebDragData::getValue() const 75 { 76 return m_private.get(); 77 } 78 79 void WebDragData::ensureMutable() 80 { 81 ASSERT(!isNull()); 82 } 83 84 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 } 133 134 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 } 140 141 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 } 169 170 WebString WebDragData::filesystemId() const 171 { 172 ASSERT(!isNull()); 173 return m_private.get()->filesystemId(); 174 } 175 176 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