1 /* 2 * Copyright (C) 2007 Apple Inc. All rights reserved. 3 * Copyright (C) 2006, 2007 Apple Inc. All rights reserved. 4 * Copyright (C) 2008 Nokia Corporation and/or its subsidiary(-ies) 5 * Copyright (C) 2010 Sencha, Inc. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY APPLE COMPUTER, INC. ``AS IS'' AND ANY 17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 20 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 21 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 22 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 23 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 24 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 27 */ 28 29 #include "config.h" 30 #include "ClipboardQt.h" 31 32 #include "CachedImage.h" 33 #include "Document.h" 34 #include "DragData.h" 35 #include "Element.h" 36 #include "FileList.h" 37 #include "Frame.h" 38 #include "HTMLNames.h" 39 #include "HTMLParserIdioms.h" 40 #include "Image.h" 41 #include "IntPoint.h" 42 #include "KURL.h" 43 #include "NotImplemented.h" 44 #include "PlatformString.h" 45 #include "Range.h" 46 #include "RenderImage.h" 47 #include "markup.h" 48 #include <wtf/text/StringHash.h> 49 50 #include <QApplication> 51 #include <QClipboard> 52 #include <QList> 53 #include <QMimeData> 54 #include <QStringList> 55 #include <QTextCodec> 56 #include <QUrl> 57 #include <qdebug.h> 58 59 #define methodDebug() qDebug("ClipboardQt: %s", __FUNCTION__) 60 61 namespace WebCore { 62 63 static bool isTextMimeType(const String& type) 64 { 65 return type == "text/plain" || type.startsWith("text/plain;"); 66 } 67 68 static bool isHtmlMimeType(const String& type) 69 { 70 return type == "text/html" || type.startsWith("text/html;"); 71 } 72 73 PassRefPtr<Clipboard> Clipboard::create(ClipboardAccessPolicy policy, DragData* dragData, Frame*) 74 { 75 return ClipboardQt::create(policy, dragData->platformData()); 76 } 77 78 ClipboardQt::ClipboardQt(ClipboardAccessPolicy policy, const QMimeData* readableClipboard) 79 : Clipboard(policy, DragAndDrop) 80 , m_readableData(readableClipboard) 81 , m_writableData(0) 82 { 83 Q_ASSERT(policy == ClipboardReadable || policy == ClipboardTypesReadable); 84 } 85 86 ClipboardQt::ClipboardQt(ClipboardAccessPolicy policy, ClipboardType clipboardType) 87 : Clipboard(policy, clipboardType) 88 , m_readableData(0) 89 , m_writableData(0) 90 { 91 Q_ASSERT(policy == ClipboardReadable || policy == ClipboardWritable || policy == ClipboardNumb); 92 93 #ifndef QT_NO_CLIPBOARD 94 if (policy != ClipboardWritable) { 95 Q_ASSERT(isForCopyAndPaste()); 96 m_readableData = QApplication::clipboard()->mimeData(); 97 } 98 #endif 99 } 100 101 ClipboardQt::~ClipboardQt() 102 { 103 if (m_writableData && isForCopyAndPaste()) 104 m_writableData = 0; 105 else 106 delete m_writableData; 107 m_readableData = 0; 108 } 109 110 void ClipboardQt::clearData(const String& type) 111 { 112 if (policy() != ClipboardWritable) 113 return; 114 115 if (m_writableData) { 116 m_writableData->removeFormat(type); 117 if (m_writableData->formats().isEmpty()) { 118 if (isForDragAndDrop()) 119 delete m_writableData; 120 m_writableData = 0; 121 } 122 } 123 #ifndef QT_NO_CLIPBOARD 124 if (isForCopyAndPaste()) 125 QApplication::clipboard()->setMimeData(m_writableData); 126 #endif 127 } 128 129 void ClipboardQt::clearAllData() 130 { 131 if (policy() != ClipboardWritable) 132 return; 133 134 #ifndef QT_NO_CLIPBOARD 135 if (isForCopyAndPaste()) 136 QApplication::clipboard()->setMimeData(0); 137 else 138 #endif 139 delete m_writableData; 140 m_writableData = 0; 141 } 142 143 String ClipboardQt::getData(const String& type, bool& success) const 144 { 145 146 if (policy() != ClipboardReadable) { 147 success = false; 148 return String(); 149 } 150 151 if (isHtmlMimeType(type) && m_readableData->hasHtml()) { 152 success = true; 153 return m_readableData->html(); 154 } 155 156 if (isTextMimeType(type) && m_readableData->hasText()) { 157 success = true; 158 return m_readableData->text(); 159 } 160 161 ASSERT(m_readableData); 162 QByteArray rawData = m_readableData->data(type); 163 QString data = QTextCodec::codecForName("UTF-16")->toUnicode(rawData); 164 success = !data.isEmpty(); 165 return data; 166 } 167 168 bool ClipboardQt::setData(const String& type, const String& data) 169 { 170 if (policy() != ClipboardWritable) 171 return false; 172 173 if (!m_writableData) 174 m_writableData = new QMimeData; 175 176 if (isTextMimeType(type)) 177 m_writableData->setText(QString(data)); 178 else if (isHtmlMimeType(type)) 179 m_writableData->setHtml(QString(data)); 180 else { 181 QByteArray array(reinterpret_cast<const char*>(data.characters()), data.length() * 2); 182 m_writableData->setData(QString(type), array); 183 } 184 185 #ifndef QT_NO_CLIPBOARD 186 if (isForCopyAndPaste()) 187 QApplication::clipboard()->setMimeData(m_writableData); 188 #endif 189 return true; 190 } 191 192 // extensions beyond IE's API 193 HashSet<String> ClipboardQt::types() const 194 { 195 if (policy() != ClipboardReadable && policy() != ClipboardTypesReadable) 196 return HashSet<String>(); 197 198 ASSERT(m_readableData); 199 HashSet<String> result; 200 QStringList formats = m_readableData->formats(); 201 for (int i = 0; i < formats.count(); ++i) 202 result.add(formats.at(i)); 203 return result; 204 } 205 206 PassRefPtr<FileList> ClipboardQt::files() const 207 { 208 if (policy() != ClipboardReadable || !m_readableData->hasUrls()) 209 return FileList::create(); 210 211 RefPtr<FileList> fileList = FileList::create(); 212 QList<QUrl> urls = m_readableData->urls(); 213 214 for (int i = 0; i < urls.size(); i++) { 215 QUrl url = urls[i]; 216 if (url.scheme() != QLatin1String("file")) 217 continue; 218 fileList->append(File::create(url.toLocalFile())); 219 } 220 221 return fileList.release(); 222 } 223 224 void ClipboardQt::setDragImage(CachedImage* image, const IntPoint& point) 225 { 226 setDragImage(image, 0, point); 227 } 228 229 void ClipboardQt::setDragImageElement(Node* node, const IntPoint& point) 230 { 231 setDragImage(0, node, point); 232 } 233 234 void ClipboardQt::setDragImage(CachedImage* image, Node *node, const IntPoint &loc) 235 { 236 if (policy() != ClipboardImageWritable && policy() != ClipboardWritable) 237 return; 238 239 if (m_dragImage) 240 m_dragImage->removeClient(this); 241 m_dragImage = image; 242 if (m_dragImage) 243 m_dragImage->addClient(this); 244 245 m_dragLoc = loc; 246 m_dragImageElement = node; 247 } 248 249 DragImageRef ClipboardQt::createDragImage(IntPoint& dragLoc) const 250 { 251 if (!m_dragImage) 252 return 0; 253 dragLoc = m_dragLoc; 254 return m_dragImage->image()->nativeImageForCurrentFrame(); 255 } 256 257 258 static CachedImage* getCachedImage(Element* element) 259 { 260 // Attempt to pull CachedImage from element 261 ASSERT(element); 262 RenderObject* renderer = element->renderer(); 263 if (!renderer || !renderer->isImage()) 264 return 0; 265 266 RenderImage* image = toRenderImage(renderer); 267 if (image->cachedImage() && !image->cachedImage()->errorOccurred()) 268 return image->cachedImage(); 269 270 return 0; 271 } 272 273 void ClipboardQt::declareAndWriteDragImage(Element* element, const KURL& url, const String& title, Frame* frame) 274 { 275 ASSERT(frame); 276 277 // WebCore::writeURL(m_writableDataObject.get(), url, title, true, false); 278 if (!m_writableData) 279 m_writableData = new QMimeData; 280 281 CachedImage* cachedImage = getCachedImage(element); 282 if (!cachedImage || !cachedImage->image() || !cachedImage->isLoaded()) 283 return; 284 QPixmap* pixmap = cachedImage->image()->nativeImageForCurrentFrame(); 285 if (pixmap) 286 m_writableData->setImageData(*pixmap); 287 288 AtomicString imageURL = element->getAttribute(HTMLNames::srcAttr); 289 if (imageURL.isEmpty()) 290 return; 291 292 KURL fullURL = frame->document()->completeURL(stripLeadingAndTrailingHTMLSpaces(imageURL)); 293 if (fullURL.isEmpty()) 294 return; 295 296 QList<QUrl> urls; 297 urls.append(url); 298 urls.append(fullURL); 299 300 m_writableData->setText(title); 301 m_writableData->setUrls(urls); 302 m_writableData->setHtml(createMarkup(element, IncludeNode, 0, AbsoluteURLs)); 303 #ifndef QT_NO_CLIPBOARD 304 if (isForCopyAndPaste()) 305 QApplication::clipboard()->setMimeData(m_writableData); 306 #endif 307 } 308 309 void ClipboardQt::writeURL(const KURL& url, const String& title, Frame* frame) 310 { 311 ASSERT(frame); 312 313 QList<QUrl> urls; 314 urls.append(frame->document()->completeURL(url.string())); 315 if (!m_writableData) 316 m_writableData = new QMimeData; 317 m_writableData->setUrls(urls); 318 m_writableData->setText(title); 319 #ifndef QT_NO_CLIPBOARD 320 if (isForCopyAndPaste()) 321 QApplication::clipboard()->setMimeData(m_writableData); 322 #endif 323 } 324 325 void ClipboardQt::writeRange(Range* range, Frame* frame) 326 { 327 ASSERT(range); 328 ASSERT(frame); 329 330 if (!m_writableData) 331 m_writableData = new QMimeData; 332 QString text = frame->editor()->selectedText(); 333 text.replace(QChar(0xa0), QLatin1Char(' ')); 334 m_writableData->setText(text); 335 m_writableData->setHtml(createMarkup(range, 0, AnnotateForInterchange, false, AbsoluteURLs)); 336 #ifndef QT_NO_CLIPBOARD 337 if (isForCopyAndPaste()) 338 QApplication::clipboard()->setMimeData(m_writableData); 339 #endif 340 } 341 342 void ClipboardQt::writePlainText(const String& str) 343 { 344 if (!m_writableData) 345 m_writableData = new QMimeData; 346 QString text = str; 347 text.replace(QChar(0xa0), QLatin1Char(' ')); 348 m_writableData->setText(text); 349 #ifndef QT_NO_CLIPBOARD 350 if (isForCopyAndPaste()) 351 QApplication::clipboard()->setMimeData(m_writableData); 352 #endif 353 } 354 355 bool ClipboardQt::hasData() 356 { 357 const QMimeData *data = m_readableData ? m_readableData : m_writableData; 358 if (!data) 359 return false; 360 return data->formats().count() > 0; 361 } 362 363 } 364
