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/platform/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/page/Frame.h" 35 #include "core/platform/FileSystem.h" 36 #include "core/platform/chromium/ChromiumDataObject.h" 37 #include "core/platform/chromium/ClipboardMimeTypes.h" 38 #include "modules/filesystem/DraggedIsolatedFileSystem.h" 39 #include "weborigin/KURL.h" 40 #include "wtf/text/WTFString.h" 41 42 #include "public/platform/Platform.h" 43 #include "public/platform/WebFileUtilities.h" 44 45 namespace WebCore { 46 47 DragData::DragData(ChromiumDataObject* data, const IntPoint& clientPosition, const IntPoint& globalPosition, 48 DragOperation sourceOperationMask, DragApplicationFlags flags) 49 : m_clientPosition(clientPosition) 50 , m_globalPosition(globalPosition) 51 , m_platformDragData(data) 52 , m_draggingSourceOperationMask(sourceOperationMask) 53 , m_applicationFlags(flags) 54 { 55 } 56 57 DragData::DragData(const String&, const IntPoint& clientPosition, const IntPoint& globalPosition, 58 DragOperation sourceOperationMask, DragApplicationFlags flags) 59 : m_clientPosition(clientPosition) 60 , m_globalPosition(globalPosition) 61 , m_platformDragData(0) 62 , m_draggingSourceOperationMask(sourceOperationMask) 63 , m_applicationFlags(flags) 64 { 65 } 66 67 static bool containsHTML(const ChromiumDataObject* dropData) 68 { 69 return dropData->types().contains(mimeTypeTextHTML); 70 } 71 72 bool DragData::containsURL(Frame*, FilenameConversionPolicy filenamePolicy) const 73 { 74 return m_platformDragData->types().contains(mimeTypeTextURIList) 75 || (filenamePolicy == ConvertFilenames && m_platformDragData->containsFilenames()); 76 } 77 78 String DragData::asURL(Frame*, FilenameConversionPolicy filenamePolicy, String* title) const 79 { 80 String url; 81 if (m_platformDragData->types().contains(mimeTypeTextURIList)) 82 m_platformDragData->urlAndTitle(url, title); 83 else if (filenamePolicy == ConvertFilenames && containsFiles()) 84 url = KURL(WebKit::Platform::current()->fileUtilities()->filePathToURL(m_platformDragData->filenames()[0])); 85 return url; 86 } 87 88 bool DragData::containsFiles() const 89 { 90 return m_platformDragData->containsFilenames(); 91 } 92 93 unsigned DragData::numberOfFiles() const 94 { 95 return m_platformDragData->filenames().size(); 96 } 97 98 int DragData::modifierKeyState() const 99 { 100 return m_platformDragData->modifierKeyState(); 101 } 102 103 void DragData::asFilenames(Vector<String>& result) const 104 { 105 const Vector<String>& filenames = m_platformDragData->filenames(); 106 for (size_t i = 0; i < filenames.size(); ++i) 107 result.append(filenames[i]); 108 } 109 110 bool DragData::containsPlainText() const 111 { 112 return m_platformDragData->types().contains(mimeTypeTextPlain); 113 } 114 115 String DragData::asPlainText(Frame*) const 116 { 117 return m_platformDragData->getData(mimeTypeTextPlain); 118 } 119 120 bool DragData::canSmartReplace() const 121 { 122 // Mimic the situations in which mac allows drag&drop to do a smart replace. 123 // This is allowed whenever the drag data contains a 'range' (ie., 124 // ClipboardWin::writeRange is called). For example, dragging a link 125 // should not result in a space being added. 126 return m_platformDragData->types().contains(mimeTypeTextPlain) 127 && !m_platformDragData->types().contains(mimeTypeTextURIList); 128 } 129 130 bool DragData::containsCompatibleContent() const 131 { 132 return containsPlainText() 133 || containsURL(0) 134 || containsHTML(m_platformDragData) 135 || containsFiles(); 136 } 137 138 PassRefPtr<DocumentFragment> DragData::asFragment(Frame* frame, PassRefPtr<Range>, bool, bool&) const 139 { 140 /* 141 * Order is richest format first. On OSX this is: 142 * * Web Archive 143 * * Filenames 144 * * HTML 145 * * RTF 146 * * TIFF 147 * * PICT 148 */ 149 150 if (containsFiles()) { 151 // FIXME: Implement this. Should be pretty simple to make some HTML 152 // and call createFragmentFromMarkup. 153 } 154 155 if (m_platformDragData->types().contains(mimeTypeTextHTML)) { 156 String html; 157 KURL baseURL; 158 m_platformDragData->htmlAndBaseURL(html, baseURL); 159 if (RefPtr<DocumentFragment> fragment = createFragmentFromMarkup(frame->document(), html, baseURL, DisallowScriptingAndPluginContent)) 160 return fragment.release(); 161 } 162 163 return 0; 164 } 165 166 String DragData::droppedFileSystemId() const 167 { 168 DraggedIsolatedFileSystem* filesystem = DraggedIsolatedFileSystem::from(m_platformDragData); 169 if (!filesystem) 170 return String(); 171 return filesystem->filesystemId(); 172 } 173 174 } // namespace WebCore 175
