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