1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * Copyright (C) 2013 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/page/DragData.h" 29 30 #include "core/dom/Document.h" 31 #include "core/dom/DocumentFragment.h" 32 #include "core/dom/Range.h" 33 #include "core/editing/markup.h" 34 #include "core/frame/Frame.h" 35 #include "core/platform/chromium/ChromiumDataObject.h" 36 #include "modules/filesystem/DraggedIsolatedFileSystem.h" 37 #include "platform/FileMetadata.h" 38 #include "platform/clipboard/ClipboardMimeTypes.h" 39 #include "platform/weborigin/KURL.h" 40 #include "wtf/text/WTFString.h" 41 42 namespace WebCore { 43 44 DragData::DragData(ChromiumDataObject* data, const IntPoint& clientPosition, const IntPoint& globalPosition, 45 DragOperation sourceOperationMask, DragApplicationFlags flags) 46 : m_clientPosition(clientPosition) 47 , m_globalPosition(globalPosition) 48 , m_platformDragData(data) 49 , m_draggingSourceOperationMask(sourceOperationMask) 50 , m_applicationFlags(flags) 51 { 52 } 53 54 DragData::DragData(const String&, const IntPoint& clientPosition, const IntPoint& globalPosition, 55 DragOperation sourceOperationMask, DragApplicationFlags flags) 56 : m_clientPosition(clientPosition) 57 , m_globalPosition(globalPosition) 58 , m_platformDragData(0) 59 , m_draggingSourceOperationMask(sourceOperationMask) 60 , m_applicationFlags(flags) 61 { 62 } 63 64 static bool containsHTML(const ChromiumDataObject* dropData) 65 { 66 return dropData->types().contains(mimeTypeTextHTML); 67 } 68 69 bool DragData::containsURL(FilenameConversionPolicy filenamePolicy) const 70 { 71 return m_platformDragData->types().contains(mimeTypeTextURIList) 72 || (filenamePolicy == ConvertFilenames && m_platformDragData->containsFilenames()); 73 } 74 75 String DragData::asURL(FilenameConversionPolicy filenamePolicy, String* title) const 76 { 77 String url; 78 if (m_platformDragData->types().contains(mimeTypeTextURIList)) 79 m_platformDragData->urlAndTitle(url, title); 80 else if (filenamePolicy == ConvertFilenames && containsFiles()) 81 url = filePathToURL(m_platformDragData->filenames()[0]); 82 return url; 83 } 84 85 bool DragData::containsFiles() const 86 { 87 return m_platformDragData->containsFilenames(); 88 } 89 90 unsigned DragData::numberOfFiles() const 91 { 92 return m_platformDragData->filenames().size(); 93 } 94 95 int DragData::modifierKeyState() const 96 { 97 return m_platformDragData->modifierKeyState(); 98 } 99 100 void DragData::asFilenames(Vector<String>& result) const 101 { 102 const Vector<String>& filenames = m_platformDragData->filenames(); 103 for (size_t i = 0; i < filenames.size(); ++i) 104 result.append(filenames[i]); 105 } 106 107 bool DragData::containsPlainText() const 108 { 109 return m_platformDragData->types().contains(mimeTypeTextPlain); 110 } 111 112 String DragData::asPlainText() const 113 { 114 return m_platformDragData->getData(mimeTypeTextPlain); 115 } 116 117 bool DragData::canSmartReplace() const 118 { 119 // Mimic the situations in which mac allows drag&drop to do a smart replace. 120 // This is allowed whenever the drag data contains a 'range' (ie., 121 // ClipboardWin::writeRange is called). For example, dragging a link 122 // should not result in a space being added. 123 return m_platformDragData->types().contains(mimeTypeTextPlain) 124 && !m_platformDragData->types().contains(mimeTypeTextURIList); 125 } 126 127 bool DragData::containsCompatibleContent() const 128 { 129 return containsPlainText() 130 || containsURL() 131 || containsHTML(m_platformDragData) 132 || containsFiles(); 133 } 134 135 PassRefPtr<DocumentFragment> DragData::asFragment(Frame* frame, PassRefPtr<Range>, bool, bool&) const 136 { 137 /* 138 * Order is richest format first. On OSX this is: 139 * * Web Archive 140 * * Filenames 141 * * HTML 142 * * RTF 143 * * TIFF 144 * * PICT 145 */ 146 147 if (containsFiles()) { 148 // FIXME: Implement this. Should be pretty simple to make some HTML 149 // and call createFragmentFromMarkup. 150 } 151 152 if (m_platformDragData->types().contains(mimeTypeTextHTML)) { 153 String html; 154 KURL baseURL; 155 m_platformDragData->htmlAndBaseURL(html, baseURL); 156 ASSERT(frame->document()); 157 if (RefPtr<DocumentFragment> fragment = createFragmentFromMarkup(*frame->document(), html, baseURL, DisallowScriptingAndPluginContent)) 158 return fragment.release(); 159 } 160 161 return 0; 162 } 163 164 String DragData::droppedFileSystemId() const 165 { 166 DraggedIsolatedFileSystem* filesystem = DraggedIsolatedFileSystem::from(m_platformDragData); 167 if (!filesystem) 168 return String(); 169 return filesystem->filesystemId(); 170 } 171 172 } // namespace WebCore 173
