1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * Copyright (C) 2008, 2009 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 // Modified from DragDataWin.cpp to not directly call any windows methods as 28 // they may not be available to us in the multiprocess 29 30 #include "config.h" 31 #include "DragData.h" 32 33 #include "ChromiumBridge.h" 34 #include "ChromiumDataObject.h" 35 #include "Clipboard.h" 36 #include "ClipboardChromium.h" 37 #include "DocumentFragment.h" 38 #include "FileSystem.h" 39 #include "KURL.h" 40 #include "markup.h" 41 #include "NotImplemented.h" 42 #include "PlatformString.h" 43 44 namespace WebCore { 45 46 static bool containsHTML(const ChromiumDataObject* dropData) 47 { 48 return dropData->textHtml.length() > 0; 49 } 50 51 PassRefPtr<Clipboard> DragData::createClipboard(ClipboardAccessPolicy policy) const 52 { 53 RefPtr<ClipboardChromium> clipboard = ClipboardChromium::create(true, 54 m_platformDragData, policy); 55 56 return clipboard.release(); 57 } 58 59 bool DragData::containsURL() const 60 { 61 return !asURL().isEmpty(); 62 } 63 64 String DragData::asURL(String* title) const 65 { 66 String url; 67 if (m_platformDragData->url.isValid()) 68 url = m_platformDragData->url.string(); 69 else if (m_platformDragData->filenames.size() == 1) { 70 String fileName = m_platformDragData->filenames[0]; 71 fileName = ChromiumBridge::getAbsolutePath(fileName); 72 if (fileExists(fileName) && !ChromiumBridge::isDirectory(fileName)) 73 url = ChromiumBridge::filePathToURL(fileName).string(); 74 } 75 76 // |title| can be NULL 77 if (title) 78 *title = m_platformDragData->urlTitle; 79 return url; 80 } 81 82 bool DragData::containsFiles() const 83 { 84 return !m_platformDragData->filenames.isEmpty(); 85 } 86 87 void DragData::asFilenames(Vector<String>& result) const 88 { 89 for (size_t i = 0; i < m_platformDragData->filenames.size(); ++i) 90 result.append(m_platformDragData->filenames[i]); 91 } 92 93 bool DragData::containsPlainText() const 94 { 95 return !m_platformDragData->plainText.isEmpty(); 96 } 97 98 String DragData::asPlainText() const 99 { 100 return m_platformDragData->plainText; 101 } 102 103 bool DragData::containsColor() const 104 { 105 notImplemented(); 106 return false; 107 } 108 109 bool DragData::canSmartReplace() const 110 { 111 // Mimic the situations in which mac allows drag&drop to do a smart replace. 112 // This is allowed whenever the drag data contains a 'range' (ie., 113 // ClipboardWin::writeRange is called). For example, dragging a link 114 // should not result in a space being added. 115 return !m_platformDragData->plainText.isEmpty() 116 && !m_platformDragData->url.isValid(); 117 } 118 119 bool DragData::containsCompatibleContent() const 120 { 121 return containsPlainText() 122 || containsURL() 123 || containsHTML(m_platformDragData) 124 || containsColor() 125 || containsFiles(); 126 } 127 128 PassRefPtr<DocumentFragment> DragData::asFragment(Document* doc) const 129 { 130 /* 131 * Order is richest format first. On OSX this is: 132 * * Web Archive 133 * * Filenames 134 * * HTML 135 * * RTF 136 * * TIFF 137 * * PICT 138 */ 139 140 if (containsFiles()) { 141 // FIXME: Implement this. Should be pretty simple to make some HTML 142 // and call createFragmentFromMarkup. 143 //if (RefPtr<DocumentFragment> fragment = createFragmentFromMarkup(doc, 144 // ?, KURL())) 145 // return fragment; 146 } 147 148 if (!m_platformDragData->textHtml.isEmpty()) { 149 RefPtr<DocumentFragment> fragment = createFragmentFromMarkup(doc, 150 m_platformDragData->textHtml, m_platformDragData->htmlBaseUrl, FragmentScriptingNotAllowed); 151 return fragment.release(); 152 } 153 154 return 0; 155 } 156 157 Color DragData::asColor() const 158 { 159 notImplemented(); 160 return Color(); 161 } 162 163 } // namespace WebCore 164