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