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comparison demos/browser/downloadmanager.d @ 77:0654fc9bac95

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more porting
author mandel
date Sun, 24 May 2009 13:46:32 +0000
parents 37caa90ce503
children 85c59c4e5f19
comparison
equal deleted inserted replaced
76:454e4b4beb59 77:0654fc9bac95
138 m_reply.deleteLater(); 138 m_reply.deleteLater();
139 if (m_output.exists()) 139 if (m_output.exists())
140 m_output.remove(); 140 m_output.remove();
141 m_reply = r; 141 m_reply = r;
142 init(); 142 init();
143 emit statusChanged(); 143 statusChanged.emit();
144 } 144 }
145 145
146 void open() 146 void open()
147 { 147 {
148 QFileInfo info(m_output); 148 auto info = new QFileInfo(m_output);
149 QUrl url = QUrl.fromLocalFile(info.absolutePath()); 149 QUrl url = QUrl.fromLocalFile(info.absolutePath());
150 QDesktopServices.openUrl(url); 150 QDesktopServices.openUrl(url);
151 } 151 }
152 152
153 void downloadReadyRead() 153 void downloadReadyRead()
157 if (!m_output.isOpen()) { 157 if (!m_output.isOpen()) {
158 // in case someone else has already put a file there 158 // in case someone else has already put a file there
159 if (!m_requestFileName) 159 if (!m_requestFileName)
160 getFileName(); 160 getFileName();
161 if (!m_output.open(QIODevice.WriteOnly)) { 161 if (!m_output.open(QIODevice.WriteOnly)) {
162 downloadInfoLabel.setText(tr("Error opening save file: %1") 162 downloadInfoLabel.setText(Format(tr("Error opening save file: {}"), m_output.errorString()));
163 .arg(m_output.errorString()));
164 stopButton.click(); 163 stopButton.click();
165 emit statusChanged(); 164 statusChanged.emit();
166 return; 165 return;
167 } 166 }
168 emit statusChanged(); 167 statusChanged.emit();
169 } 168 }
170 if (-1 == m_output.write(m_reply.readAll())) { 169 if (-1 == m_output.write(m_reply.readAll())) {
171 downloadInfoLabel.setText(tr("Error saving: %1") 170 downloadInfoLabel.setText(Format(tr("Error saving: {}"), m_output.errorString()));
172 .arg(m_output.errorString()));
173 stopButton.click(); 171 stopButton.click();
174 } 172 }
175 } 173 }
176 174
177 void error(QNetworkReply.NetworkError code) 175 void error(QNetworkReply.NetworkError code)
178 { 176 {
179 qDebug() << "DownloadItem::error" << m_reply.errorString() << m_url; 177 qDebug() << "DownloadItem::error" << m_reply.errorString() << m_url;
180 downloadInfoLabel.setText(tr("Network Error: %1").arg(m_reply.errorString())); 178 downloadInfoLabel.setText(Format(tr("Network Error: {}"), m_reply.errorString()));
181 tryAgainButton.setEnabled(true); 179 tryAgainButton.setEnabled(true);
182 tryAgainButton.setVisible(true); 180 tryAgainButton.setVisible(true);
183 } 181 }
184 182
185 void downloadProgress(ulong bytesReceived, ulong bytesTotal) 183 void downloadProgress(ulong bytesReceived, ulong bytesTotal)
205 progressBar.hide(); 203 progressBar.hide();
206 stopButton.setEnabled(false); 204 stopButton.setEnabled(false);
207 stopButton.hide(); 205 stopButton.hide();
208 m_output.close(); 206 m_output.close();
209 updateInfoLabel(); 207 updateInfoLabel();
210 emit statusChanged(); 208 statusChanged.emit();
211 } 209 }
212 210
213 private: 211 private:
214 212
215 void getFileName() 213 void getFileName()
216 { 214 {
217 QSettings settings; 215 auto settings = new QSettings;
218 settings.beginGroup(QLatin1String("downloadmanager")); 216 settings.beginGroup(QLatin1String("downloadmanager"));
219 QString defaultLocation = QDesktopServices.storageLocation(QDesktopServices.DesktopLocation); 217 string defaultLocation = QDesktopServices.storageLocation(QDesktopServices.DesktopLocation);
220 QString downloadDirectory = settings.value(QLatin1String("downloadDirectory"), defaultLocation).toString(); 218 string downloadDirectory = settings.value(QLatin1String("downloadDirectory"), defaultLocation).toString();
221 if (!downloadDirectory.isEmpty()) 219 if (!downloadDirectory.isEmpty())
222 downloadDirectory += QLatin1Char('/'); 220 downloadDirectory += QLatin1Char('/');
223 221
224 QString defaultFileName = saveFileName(downloadDirectory); 222 string defaultFileName = saveFileName(downloadDirectory);
225 QString fileName = defaultFileName; 223 string fileName = defaultFileName;
226 if (m_requestFileName) { 224 if (m_requestFileName) {
227 fileName = QFileDialog.getSaveFileName(this, tr("Save File"), defaultFileName); 225 fileName = QFileDialog.getSaveFileName(this, tr("Save File"), defaultFileName);
228 if (fileName.isEmpty()) { 226 if (fileName.isEmpty()) {
229 m_reply.close(); 227 m_reply.close();
230 fileNameLabel.setText(tr("Download canceled: %1").arg(QFileInfo(defaultFileName).fileName())); 228 fileNameLabel.setText(Format(tr("Download canceled: {}"), (new QFileInfo(defaultFileName)).fileName()));
231 return; 229 return;
232 } 230 }
233 } 231 }
234 m_output.setFileName(fileName); 232 m_output.setFileName(fileName);
235 fileNameLabel.setText(QFileInfo(m_output.fileName()).fileName()); 233 fileNameLabel.setText((new QFileInfo(m_output.fileName())).fileName());
236 if (m_requestFileName) 234 if (m_requestFileName)
237 downloadReadyRead(); 235 downloadReadyRead();
238 } 236 }
239 237
240 void init() 238 void init()
274 bool running = !downloadedSuccessfully(); 272 bool running = !downloadedSuccessfully();
275 273
276 // update info label 274 // update info label
277 double speed = m_bytesReceived * 1000.0 / m_downloadTime.elapsed(); 275 double speed = m_bytesReceived * 1000.0 / m_downloadTime.elapsed();
278 double timeRemaining = (cast(double)(bytesTotal - m_bytesReceived)) / speed; 276 double timeRemaining = (cast(double)(bytesTotal - m_bytesReceived)) / speed;
279 QString timeRemainingString = tr("seconds"); 277 string timeRemainingString = tr("seconds");
280 if (timeRemaining > 60) { 278 if (timeRemaining > 60) {
281 timeRemaining = timeRemaining / 60; 279 timeRemaining = timeRemaining / 60;
282 timeRemainingString = tr("minutes"); 280 timeRemainingString = tr("minutes");
283 } 281 }
284 timeRemaining = floor(timeRemaining); 282 timeRemaining = floor(timeRemaining);
285 283
286 // When downloading the eta should never be 0 284 // When downloading the eta should never be 0
287 if (timeRemaining == 0) 285 if (timeRemaining == 0)
288 timeRemaining = 1; 286 timeRemaining = 1;
289 287
290 QString info; 288 string info;
291 if (running) { 289 if (running) {
292 QString remaining; 290 string remaining;
293 if (bytesTotal != 0) 291 if (bytesTotal != 0)
294 remaining = tr("- %4 %5 remaining") 292 remaining = Format(tr("- {} {} remaining"), timeRemaining, timeRemainingString);
295 .arg(timeRemaining)
296 .arg(timeRemainingString);
297 293
298 info = QString(tr("%1 of %2 (%3/sec) %4")) 294 info = Format(tr("{} of {} ({}/sec) {}"),
299 .arg(dataString(m_bytesReceived)) 295 dataString(m_bytesReceived),
300 .arg(bytesTotal == 0 ? tr("?") : dataString(bytesTotal)) 296 bytesTotal == 0 ? tr("?") : dataString(bytesTotal),
301 .arg(dataString(cast(int) speed)) 297 dataString(cast(int) speed),
302 .arg(remaining); 298 remaining);
303 } else { 299 } else {
304 if (m_bytesReceived == bytesTotal) 300 if (m_bytesReceived == bytesTotal)
305 info = dataString(m_output.size()); 301 info = dataString(m_output.size());
306 else 302 else
307 info = tr("%1 of %2 - Stopped") 303 info = Format(tr("{} of {} - Stopped"),
308 .arg(dataString(m_bytesReceived)) 304 dataString(m_bytesReceived),
309 .arg(dataString(bytesTotal)); 305 dataString(bytesTotal));
310 } 306 }
311 downloadInfoLabel.setText(info); 307 downloadInfoLabel.setText(info);
312 } 308 }
313 309
314 QString dataString(int size) 310 string dataString(int size)
315 { 311 {
316 QString unit; 312 string unit;
317 if (size < 1024) { 313 if (size < 1024) {
318 unit = tr("bytes"); 314 unit = tr("bytes");
319 } else if (size < 1024*1024) { 315 } else if (size < 1024*1024) {
320 size /= 1024; 316 size /= 1024;
321 unit = tr("kB"); 317 unit = tr("kB");
322 } else { 318 } else {
323 size /= 1024*1024; 319 size /= 1024*1024;
324 unit = tr("MB"); 320 unit = tr("MB");
325 } 321 }
326 return QString(QLatin1String("%1 %2")).arg(size).arg(unit); 322 return Format(QLatin1String("{} {}"), size, unit);
327 } 323 }
328 324
329 QString saveFileName(QString directory) 325 string saveFileName(string directory)
330 { 326 {
331 // Move this function into QNetworkReply to also get file name sent from the server 327 // Move this function into QNetworkReply to also get file name sent from the server
332 QString path = m_url.path(); 328 string path = m_url.path();
333 QFileInfo info(path); 329 auto info = new QFileInfo(path);
334 QString baseName = info.completeBaseName(); 330 string baseName = info.completeBaseName();
335 QString endName = info.suffix(); 331 string endName = info.suffix();
336 332
337 if (baseName.isEmpty()) { 333 if (baseName.isEmpty()) {
338 baseName = QLatin1String("unnamed_download"); 334 baseName = QLatin1String("unnamed_download");
339 qDebug() << "DownloadManager:: downloading unknown file:" << m_url; 335 qDebug() << "DownloadManager:: downloading unknown file:" << m_url;
340 } 336 }
341 QString name = directory + baseName + QLatin1Char('.') + endName; 337 string name = directory ~ baseName ~ QLatin1Char('.') ~ endName;
342 if (QFile.exists(name)) { 338 if (QFile.exists(name)) {
343 // already exists, don't overwrite 339 // already exists, don't overwrite
344 int i = 1; 340 int i = 1;
345 do { 341 do {
346 name = directory + baseName + QLatin1Char('-') + QString.number(i++) + QLatin1Char('.') + endName; 342 name = directory ~ baseName ~ QLatin1Char('-') ~ QString.number(i++) ~ QLatin1Char('.') ~ endName;
347 } while (QFile.exists(name)); 343 } while (QFile.exists(name));
348 } 344 }
349 return name; 345 return name;
350 } 346 }
351 347
401 } 397 }
402 398
403 int activeDownloads() 399 int activeDownloads()
404 { 400 {
405 int count = 0; 401 int count = 0;
406 for (int i = 0; i < m_downloads.count(); ++i) { 402 for (int i = 0; i < m_downloads.length; ++i) {
407 if (m_downloads.at(i).stopButton.isEnabled()) 403 if (m_downloads[i].stopButton.isEnabled())
408 ++count; 404 ++count;
409 } 405 }
410 return count; 406 return count;
411 } 407 }
412 408
452 addItem(item); 448 addItem(item);
453 } 449 }
454 450
455 void cleanup() 451 void cleanup()
456 { 452 {
457 if (m_downloads.isEmpty()) 453 if (m_downloads.length == 0)
458 return; 454 return;
459 m_model.removeRows(0, m_downloads.count()); 455 m_model.removeRows(0, m_downloads.length);
460 updateItemCount(); 456 updateItemCount();
461 if (m_downloads.isEmpty() && m_iconProvider) { 457 if (m_downloads.length == 0 && m_iconProvider) {
462 delete m_iconProvider; 458 delete m_iconProvider;
463 m_iconProvider = 0; 459 m_iconProvider = 0;
464 } 460 }
465 m_autoSaver.changeOccurred(); 461 m_autoSaver.changeOccurred();
466 } 462 }
475 settings.setValue(QLatin1String("removeDownloadsPolicy"), QLatin1String(removePolicyEnum.valueToKey(m_removePolicy))); 471 settings.setValue(QLatin1String("removeDownloadsPolicy"), QLatin1String(removePolicyEnum.valueToKey(m_removePolicy)));
476 settings.setValue(QLatin1String("size"), size()); 472 settings.setValue(QLatin1String("size"), size());
477 if (m_removePolicy == Exit) 473 if (m_removePolicy == Exit)
478 return; 474 return;
479 475
480 for (int i = 0; i < m_downloads.count(); ++i) { 476 for (int i = 0; i < m_downloads.length; ++i) {
481 QString key = QString(QLatin1String("download_%1_")).arg(i); 477 string key = Format(QLatin1String("download_{}_"), i);
482 settings.setValue(key + QLatin1String("url"), m_downloads[i].m_url); 478 settings.setValue(key ~ QLatin1String("url"), m_downloads[i].m_url);
483 settings.setValue(key + QLatin1String("location"), QFileInfo(m_downloads[i].m_output).filePath()); 479 settings.setValue(key ~ QLatin1String("location"), (new QFileInfo(m_downloads[i].m_output)).filePath());
484 settings.setValue(key + QLatin1String("done"), m_downloads[i].downloadedSuccessfully()); 480 settings.setValue(key ~ QLatin1String("done"), m_downloads[i].downloadedSuccessfully());
485 } 481 }
486 int i = m_downloads.count(); 482 int i = m_downloads.length;
487 QString key = QString(QLatin1String("download_%1_")).arg(i); 483 string key = Format(QLatin1String("download_{}_"), i);
488 while (settings.contains(key + QLatin1String("url"))) { 484 while (settings.contains(key ~ QLatin1String("url"))) {
489 settings.remove(key + QLatin1String("url")); 485 settings.remove(key ~ QLatin1String("url"));
490 settings.remove(key + QLatin1String("location")); 486 settings.remove(key ~ QLatin1String("location"));
491 settings.remove(key + QLatin1String("done")); 487 settings.remove(key ~ QLatin1String("done"));
492 key = QString(QLatin1String("download_%1_")).arg(++i); 488 key = Format(QLatin1String("download_{}_"), ++i);
493 } 489 }
494 } 490 }
495 491
496 void updateRow() 492 void updateRow()
497 { 493 {
498 DownloadItem item = cast(DownloadItem) sender(); 494 DownloadItem item = cast(DownloadItem) signalSender();
499 int row = m_downloads.indexOf(item); 495 int row = m_downloads.indexOf(item);
500 if (-1 == row) 496 if (-1 == row)
501 return; 497 return;
502 if (!m_iconProvider) 498 if (!m_iconProvider)
503 m_iconProvider = new QFileIconProvider(); 499 m_iconProvider = new QFileIconProvider();
516 remove = true; 512 remove = true;
517 } 513 }
518 if (remove) 514 if (remove)
519 m_model.removeRow(row); 515 m_model.removeRow(row);
520 516
521 cleanupButton.setEnabled(m_downloads.count() - activeDownloads() > 0); 517 cleanupButton.setEnabled(m_downloads.length - activeDownloads() > 0);
522 } 518 }
523 519
524 private: 520 private:
525 521
526 void addItem(DownloadItem item) 522 void addItem(DownloadItem item)
527 { 523 {
528 item.statusChanged.connect(&this.updateRow); 524 item.statusChanged.connect(&this.updateRow);
529 int row = m_downloads.count(); 525 int row = m_downloads.length;
530 m_model.beginInsertRows(QModelIndex(), row, row); 526 m_model.beginInsertRows(QModelIndex(), row, row);
531 m_downloads.append(item); 527 m_downloads ~= item;
532 m_model.endInsertRows(); 528 m_model.endInsertRows();
533 updateItemCount(); 529 updateItemCount();
534 if (row == 0) 530 if (row == 0)
535 show(); 531 show();
536 downloadsView.setIndexWidget(m_model.index(row, 0), item); 532 downloadsView.setIndexWidget(m_model.index(row, 0), item);
540 } 536 }
541 537
542 538
543 void updateItemCount() 539 void updateItemCount()
544 { 540 {
545 int count = m_downloads.count(); 541 int count = m_downloads.length;
546 itemCount.setText(count == 1 ? tr("1 Download") : tr("%1 Downloads").arg(count)); 542 itemCount.setText(count == 1 ? tr("1 Download") : tr("{} Downloads").arg(count));
547 } 543 }
548 544
549 void load() 545 void load()
550 { 546 {
551 QSettings settings; 547 QSettings settings;
557 QMetaEnum removePolicyEnum = staticMetaObject.enumerator(staticMetaObject.indexOfEnumerator("RemovePolicy")); 553 QMetaEnum removePolicyEnum = staticMetaObject.enumerator(staticMetaObject.indexOfEnumerator("RemovePolicy"));
558 m_removePolicy = removePolicyEnum.keyToValue(value) == -1 ? Never : 554 m_removePolicy = removePolicyEnum.keyToValue(value) == -1 ? Never :
559 cast(RemovePolicy) removePolicyEnum.keyToValue(value); 555 cast(RemovePolicy) removePolicyEnum.keyToValue(value);
560 556
561 int i = 0; 557 int i = 0;
562 QString key = QString(QLatin1String("download_%1_")).arg(i); 558 string key = Format(QLatin1String("download_{}_"), i);
563 while (settings.contains(key + QLatin1String("url"))) { 559 while (settings.contains(key + QLatin1String("url"))) {
564 QUrl url = settings.value(key + QLatin1String("url")).toUrl(); 560 QUrl url = settings.value(key + QLatin1String("url")).toUrl();
565 QString fileName = settings.value(key + QLatin1String("location")).toString(); 561 string fileName = settings.value(key + QLatin1String("location")).toString();
566 bool done = settings.value(key + QLatin1String("done"), true).toBool(); 562 bool done = settings.value(key + QLatin1String("done"), true).toBool();
567 if (!url.isEmpty() && !fileName.isEmpty()) { 563 if (!url.isEmpty() && !fileName.isEmpty()) {
568 DownloadItem item = new DownloadItem(0, this); 564 DownloadItem item = new DownloadItem(0, this);
569 item.m_output.setFileName(fileName); 565 item.m_output.setFileName(fileName);
570 item.fileNameLabel.setText(QFileInfo(item.m_output.fileName()).fileName()); 566 item.fileNameLabel.setText((new QFileInfo(item.m_output.fileName())).fileName());
571 item.m_url = url; 567 item.m_url = url;
572 item.stopButton.setVisible(false); 568 item.stopButton.setVisible(false);
573 item.stopButton.setEnabled(false); 569 item.stopButton.setEnabled(false);
574 item.tryAgainButton.setVisible(!done); 570 item.tryAgainButton.setVisible(!done);
575 item.tryAgainButton.setEnabled(!done); 571 item.tryAgainButton.setEnabled(!done);
576 item.progressBar.setVisible(!done); 572 item.progressBar.setVisible(!done);
577 addItem(item); 573 addItem(item);
578 } 574 }
579 key = QString(QLatin1String("download_%1_")).arg(++i); 575 key = Format(QLatin1String("download_{}_"), ++i);
580 } 576 }
581 cleanupButton.setEnabled(m_downloads.count() - activeDownloads() > 0); 577 cleanupButton.setEnabled(m_downloads.length - activeDownloads() > 0);
582 } 578 }
583 579
584 AutoSaver m_autoSaver; 580 AutoSaver m_autoSaver;
585 DownloadModel m_model; 581 DownloadModel m_model;
586 QNetworkAccessManager m_manager; 582 QNetworkAccessManager m_manager;
604 QVariant data(QModelIndex index, int role = Qt.DisplayRole) 600 QVariant data(QModelIndex index, int role = Qt.DisplayRole)
605 { 601 {
606 if (index.row() < 0 || index.row() >= rowCount(index.parent())) 602 if (index.row() < 0 || index.row() >= rowCount(index.parent()))
607 return QVariant(); 603 return QVariant();
608 if (role == Qt.ToolTipRole) 604 if (role == Qt.ToolTipRole)
609 if (!m_downloadManager.m_downloads.at(index.row()).downloadedSuccessfully()) 605 if (!m_downloadManager.m_downloads[index.row()].downloadedSuccessfully())
610 return m_downloadManager.m_downloads.at(index.row()).downloadInfoLabel.text(); 606 return m_downloadManager.m_downloads[index.row()].downloadInfoLabel.text();
611 return QVariant(); 607 return QVariant();
612 } 608 }
613 609
614 int rowCount(QModelIndex parent = QModelIndex()) 610 int rowCount(QModelIndex parent = QModelIndex())
615 { 611 {
616 return (parent.isValid()) ? 0 : m_downloadManager.m_downloads.count(); 612 return (parent.isValid()) ? 0 : m_downloadManager.m_downloads.length;
617 } 613 }
618 614
619 bool removeRows(int row, int count, QModelIndex parent = QModelIndex()) 615 bool removeRows(int row, int count, QModelIndex parent = QModelIndex())
620 { 616 {
621 if (parent.isValid()) 617 if (parent.isValid())
622 return false; 618 return false;
623 619
624 int lastRow = row + count - 1; 620 int lastRow = row + count - 1;
625 for (int i = lastRow; i >= row; --i) { 621 for (int i = lastRow; i >= row; --i) {
626 if (m_downloadManager.m_downloads.at(i).downloadedSuccessfully() 622 if (m_downloadManager.m_downloads[i].downloadedSuccessfully()
627 || m_downloadManager.m_downloads.at(i).tryAgainButton.isEnabled()) { 623 || m_downloadManager.m_downloads[i].tryAgainButton.isEnabled()) {
628 beginRemoveRows(parent, i, i); 624 beginRemoveRows(parent, i, i);
629 m_downloadManager.m_downloads.takeAt(i).deleteLater(); 625 m_downloadManager.m_downloads.takeAt(i).deleteLater();
630 endRemoveRows(); 626 endRemoveRows();
631 } 627 }
632 } 628 }