git.sesse.net Git - kdenlive/blob - src/utils/resourcewidget.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2011 by Jean-Baptiste Mardelle (jb@kdenlive.org)        *
   3  *                                                                         *
   4  *                                                                         *
   5  *   This program is free software; you can redistribute it and/or modify  *
   6  *   it under the terms of the GNU General Public License as published by  *
   7  *   the Free Software Foundation; either version 2 of the License, or     *
   8  *   (at your option) any later version.                                   *
   9  *                                                                         *
  10  *   This program is distributed in the hope that it will be useful,       *
  11  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  12  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  13  *   GNU General Public License for more details.                          *
  14  *                                                                         *
  15  *   You should have received a copy of the GNU General Public License     *
  16  *   along with this program; if not, write to the                         *
  17  *   Free Software Foundation, Inc.,                                       *
  18  *   51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA          *
  19  ***************************************************************************/
  20
  21
  22 #include "resourcewidget.h"
  23 #include "freesound.h"
  24 #include "openclipart.h"
  25 #include "archiveorg.h"
  26
  27 #include <QPushButton>
  28 #include <QSpinBox>
  29 #include <QListWidget>
  30 #include <QAction>
  31 #include <QMenu>
  32
  33 #include <KDebug>
  34 #include <kdeversion.h>
  35 #include "kdenlivesettings.h"
  36 #include <KGlobalSettings>
  37 #include <KMessageBox>
  38 #include <KFileDialog>
  39 #include <kio/job.h>
  40 #include <KIO/NetAccess>
  41 #include <Solid/Networking>
  42 #include <KRun>
  43 #if KDE_IS_VERSION(4,4,0)
  44 #include <KPixmapSequence>
  45 #include <KPixmapSequenceOverlayPainter>
  46 #endif
  47 #include <KFileItem>
  48
  49 #ifdef USE_NEPOMUK
  50 #if KDE_IS_VERSION(4,6,0)
  51 #include <Nepomuk/Variant>
  52 #include <Nepomuk/Resource>
  53 #include <Nepomuk/ResourceManager>
  54 #include <Nepomuk/Vocabulary/NIE>
  55 #include <Nepomuk/Vocabulary/NCO>
  56 #include <Nepomuk/Vocabulary/NDO>
  57 #endif
  58 #endif
  59
  60 #ifdef USE_NEPOMUKCORE
  61 #include <Nepomuk2/Variant>
  62 #include <Nepomuk2/Resource>
  63 #include <Nepomuk2/ResourceManager>
  64 #include <Nepomuk2/Vocabulary/NIE>
  65 #include <Nepomuk2/Vocabulary/NCO>
  66 #include <Nepomuk2/Vocabulary/NDO>
  67 #endif
  68
  69 ResourceWidget::ResourceWidget(const QString & folder, QWidget * parent) :
  70     QDialog(parent),
  71     m_folder(folder),
  72     m_currentService(NULL)
  73 {
  74     setFont(KGlobalSettings::toolBarFont());
  75     setupUi(this);
  76     setAttribute(Qt::WA_DeleteOnClose);
  77 #ifdef USE_QJSON
  78     service_list->addItem(i18n("Freesound Audio Library"), FREESOUND);
  79     service_list->addItem(i18n("Archive.org Video Library"), ARCHIVEORG);
  80 #endif
  81     service_list->addItem(i18n("Open Clip Art Graphic Library"), OPENCLIPART);
  82     setWindowTitle(i18n("Search Online Resources"));
  83     info_browser->setStyleSheet(QString("QTextBrowser { background-color: transparent;}"));
  84     connect(button_search, SIGNAL(clicked()), this, SLOT(slotStartSearch()));
  85     connect(search_results, SIGNAL(currentRowChanged(int)), this, SLOT(slotUpdateCurrentSound()));
  86     connect(button_preview, SIGNAL(clicked()), this, SLOT(slotPlaySound()));
  87     connect(button_import, SIGNAL(clicked()), this, SLOT(slotSaveItem()));
  88     connect(item_license, SIGNAL(leftClickedUrl(QString)), this, SLOT(slotOpenUrl(QString)));
  89     connect(service_list, SIGNAL(currentIndexChanged(int)), this, SLOT(slotChangeService()));
  90     if (Solid::Networking::status() == Solid::Networking::Unconnected) {
  91         slotOffline();
  92     }
  93     connect(Solid::Networking::notifier(), SIGNAL(shouldConnect()), this, SLOT(slotOnline()));
  94     connect(Solid::Networking::notifier(), SIGNAL(shouldDisconnect()), this, SLOT(slotOffline()));
  95     connect(page_next, SIGNAL(clicked()), this, SLOT(slotNextPage()));
  96     connect(page_prev, SIGNAL(clicked()), this, SLOT(slotPreviousPage()));
  97     connect(page_number, SIGNAL(valueChanged(int)), this, SLOT(slotStartSearch(int)));
  98     connect(info_browser, SIGNAL(anchorClicked(QUrl)), this, SLOT(slotOpenLink(QUrl)));
  99
 100     m_autoPlay = new QAction(i18n("Auto Play"), this);
 101     m_autoPlay->setCheckable(true);
 102     QMenu *resourceMenu = new QMenu;
 103     resourceMenu->addAction(m_autoPlay);
 104     config_button->setMenu(resourceMenu);
 105     config_button->setIcon(KIcon("configure"));
 106
 107 #if KDE_IS_VERSION(4,4,0)
 108     m_busyWidget = new KPixmapSequenceOverlayPainter(this);
 109     m_busyWidget->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 110     m_busyWidget->setWidget(search_results->viewport());
 111 #endif
 112
 113     sound_box->setEnabled(false);
 114     search_text->setFocus();
 115 #ifdef USE_NEPOMUK
 116 #if KDE_IS_VERSION(4,6,0)
 117     Nepomuk::ResourceManager::instance()->init();
 118 #endif
 119 #endif
 120     slotChangeService();
 121 }
 122
 123 ResourceWidget::~ResourceWidget()
 124 {
 125     delete m_currentService;
 126     KIO::NetAccess::removeTempFile(m_tmpThumbFile);
 127 }
 128
 129 void ResourceWidget::slotStartSearch(int page)
 130 {
 131     page_number->blockSignals(true);
 132     page_number->setValue(page);
 133     page_number->blockSignals(false);
 134 #if KDE_IS_VERSION(4,4,0)
 135     m_busyWidget->start();
 136 #endif
 137     m_currentService->slotStartSearch(search_text->text(), page);
 138 }
 139
 140 void ResourceWidget::slotUpdateCurrentSound()
 141 {
 142     KIO::NetAccess::removeTempFile(m_tmpThumbFile);
 143     if (!m_autoPlay->isChecked()) m_currentService->stopItemPreview(NULL);
 144     item_license->clear();
 145     m_title.clear();
 146     m_image.clear();
 147     m_desc.clear();
 148     m_meta.clear();
 149     QListWidgetItem *item = search_results->currentItem();
 150     if (!item) {
 151         sound_box->setEnabled(false);
 152         return;
 153     }
 154     m_currentInfo = m_currentService->displayItemDetails(item);
 155
 156     if (m_autoPlay->isChecked() && m_currentService->hasPreview) m_currentService->startItemPreview(item);
 157     sound_box->setEnabled(true);
 158     QString title = "<h3>" + m_currentInfo.itemName;
 159     if (!m_currentInfo.infoUrl.isEmpty()) title += QString(" (<a href=\"%1\">%2</a>)").arg(m_currentInfo.infoUrl).arg(i18nc("the url link pointing to a web page", "link"));
 160     title.append("</h3>");
 161
 162     if (!m_currentInfo.authorUrl.isEmpty()) {
 163         title += QString("<a href=\"%1\">").arg(m_currentInfo.authorUrl);
 164         if (!m_currentInfo.author.isEmpty())
 165             title.append(m_currentInfo.author);
 166         else title.append(i18n("Author"));
 167         title.append("</a><br />");
 168     }
 169     else if (!m_currentInfo.author.isEmpty())
 170         title.append(m_currentInfo.author + "<br />");
 171     else title.append("<br />");
 172
 173     slotSetTitle(title);
 174     if (!m_currentInfo.description.isEmpty()) slotSetDescription(m_currentInfo.description);
 175     if (!m_currentInfo.license.isEmpty()) parseLicense(m_currentInfo.license);
 176 }
 177
 178
 179 void ResourceWidget::slotLoadThumb(const QString &url)
 180 {
 181     KUrl img(url);
 182     if (img.isEmpty()) return;
 183     if (KIO::NetAccess::exists(img, KIO::NetAccess::SourceSide, this)) {
 184         if (KIO::NetAccess::download(img, m_tmpThumbFile, this)) {
 185             slotSetImage(m_tmpThumbFile);
 186             /*QPixmap pix(tmpFile);
 187
 188             int newHeight = pix.height() * item_image->width() / pix.width();
 189             if (newHeight > 200) {
 190                 item_image->setScaledContents(false);
 191                 //item_image->setFixedHeight(item_image->width());
 192             }
 193             else {
 194                 item_image->setScaledContents(true);
 195                 item_image->setFixedHeight(newHeight);
 196             }
 197             item_image->setPixmap(pix);*/
 198         }
 199     }
 200 }
 201
 202
 203 void ResourceWidget::slotDisplayMetaInfo(const QMap<QString, QString> &metaInfo)
 204 {
 205     if (metaInfo.contains("license")) {
 206         parseLicense(metaInfo.value("license"));
 207     }
 208     if (metaInfo.contains("description")) {
 209         slotSetDescription(metaInfo.value("description"));
 210     }
 211 }
 212
 213
 214 void ResourceWidget::slotPlaySound()
 215 {
 216     if (!m_currentService) return;
 217     bool started = m_currentService->startItemPreview(search_results->currentItem());
 218     if (started) button_preview->setText(i18n("Preview"));
 219     else button_preview->setText(i18n("Stop"));
 220 }
 221
 222
 223 void ResourceWidget::slotSaveItem(const QString &originalUrl)
 224 {
 225     //if (m_currentUrl.isEmpty()) return;
 226     QListWidgetItem *item = search_results->currentItem();
 227     if (!item) return;
 228     QString path = m_folder;
 229     QString ext;
 230     if (!path.endsWith('/')) path.append('/');
 231     if (!originalUrl.isEmpty()) {
 232         path.append(KUrl(originalUrl).fileName());
 233         ext = "*." + KUrl(originalUrl).fileName().section('.', -1);
 234         m_currentInfo.itemDownload = originalUrl;
 235     }
 236     else {
 237         path.append(m_currentService->getDefaultDownloadName(item));
 238         ext = m_currentService->getExtension(search_results->currentItem());
 239     }
 240     QString saveUrl = KFileDialog::getSaveFileName(KUrl(path), ext);
 241     KIO::UDSEntry entry;
 242     KUrl srcUrl(m_currentInfo.itemDownload);
 243     if (saveUrl.isEmpty() || !KIO::NetAccess::stat(srcUrl, entry, this)) return;
 244     KIO::FileCopyJob * getJob = KIO::file_copy(srcUrl, KUrl(saveUrl), -1, KIO::Overwrite);
 245
 246     KFileItem info(entry, srcUrl);
 247     getJob->setSourceSize(info.size());
 248     getJob->setProperty("license", item_license->text());
 249     getJob->setProperty("licenseurl", item_license->url());
 250     getJob->setProperty("originurl", m_currentInfo.itemDownload);
 251     if (!m_currentInfo.authorUrl.isEmpty()) getJob->setProperty("author", m_currentInfo.authorUrl);
 252     else if (!m_currentInfo.author.isEmpty()) getJob->setProperty("author", m_currentInfo.author);
 253     connect(getJob, SIGNAL(result(KJob*)), this, SLOT(slotGotFile(KJob*)));
 254     getJob->start();
 255 }
 256
 257 void ResourceWidget::slotGotFile(KJob *job)
 258 {
 259     if (job->error() != 0 ) return;
 260     KIO::FileCopyJob* copyJob = static_cast<KIO::FileCopyJob*>( job );
 261     const KUrl filePath = copyJob->destUrl();
 262 #ifdef USE_NEPOMUK
 263 #if KDE_IS_VERSION(4,6,0)
 264     Nepomuk::Resource res( filePath );
 265     res.setProperty( Nepomuk::Vocabulary::NIE::license(), (Nepomuk::Variant) job->property("license") );
 266     res.setProperty( Nepomuk::Vocabulary::NIE::licenseType(), (Nepomuk::Variant) job->property("licenseurl") );
 267     res.setProperty( Nepomuk::Vocabulary::NDO::copiedFrom(), (Nepomuk::Variant) job->property("originurl") );
 268     res.setProperty( Nepomuk::Vocabulary::NCO::creator(), (Nepomuk::Variant) job->property("author") );
 269     //res.setDescription(item_description->toPlainText());
 270     //res.setProperty( Soprano::Vocabulary::NAO::description(),
 271 #endif
 272 #endif
 273
 274 #ifdef USE_NEPOMUKCORE
 275     Nepomuk2::Resource res( filePath );
 276     res.setProperty( Nepomuk2::Vocabulary::NIE::license(), (Nepomuk2::Variant) job->property("license") );
 277     res.setProperty( Nepomuk2::Vocabulary::NIE::licenseType(), (Nepomuk2::Variant) job->property("licenseurl") );
 278     res.setProperty( Nepomuk2::Vocabulary::NDO::copiedFrom(), (Nepomuk2::Variant) job->property("originurl") );
 279     res.setProperty( Nepomuk2::Vocabulary::NCO::creator(), (Nepomuk2::Variant) job->property("author") );
 280     //res.setDescription(item_description->toPlainText());
 281     //res.setProperty( Soprano::Vocabulary::NAO::description(),
 282 #endif
 283
 284     emit addClip(filePath, stringMap());
 285 }
 286
 287 void ResourceWidget::slotOpenUrl(const QString &url)
 288 {
 289     new KRun(KUrl(url), this);
 290 }
 291
 292 void ResourceWidget::slotChangeService()
 293 {
 294     if (m_currentService) {
 295         delete m_currentService;
 296         m_currentService = NULL;
 297     }
 298     SERVICETYPE service = (SERVICETYPE) service_list->itemData(service_list->currentIndex()).toInt();
 299     if (service == FREESOUND) {
 300         m_currentService = new FreeSound(search_results);
 301     }
 302     else if (service == OPENCLIPART) {
 303         m_currentService = new OpenClipArt(search_results);
 304     }
 305     else if (service == ARCHIVEORG) {
 306         m_currentService = new ArchiveOrg(search_results);
 307     }
 308
 309     connect(m_currentService, SIGNAL(gotMetaInfo(QString)), this, SLOT(slotSetMetadata(QString)));
 310     connect(m_currentService, SIGNAL(gotMetaInfo(QMap<QString,QString>)), this, SLOT(slotDisplayMetaInfo(QMap<QString,QString>)));
 311     connect(m_currentService, SIGNAL(maxPages(int)), this, SLOT(slotSetMaximum(int)));
 312     connect(m_currentService, SIGNAL(searchInfo(QString)), search_info, SLOT(setText(QString)));
 313     connect(m_currentService, SIGNAL(gotThumb(QString)), this, SLOT(slotLoadThumb(QString)));
 314 #if KDE_IS_VERSION(4,4,0)
 315     connect(m_currentService, SIGNAL(searchDone()), m_busyWidget, SLOT(stop()));
 316 #endif
 317
 318     button_preview->setVisible(m_currentService->hasPreview);
 319     button_import->setVisible(!m_currentService->inlineDownload);
 320     search_info->setText(QString());
 321     if (!search_text->text().isEmpty()) slotStartSearch();
 322 }
 323
 324 void ResourceWidget::slotSetMaximum(int max)
 325 {
 326     page_number->setMaximum(max);
 327 }
 328
 329 void ResourceWidget::slotOnline()
 330 {
 331     button_search->setEnabled(true);
 332     search_info->setText(QString());
 333 }
 334
 335 void ResourceWidget::slotOffline()
 336 {
 337     button_search->setEnabled(false);
 338     search_info->setText(i18n("You need to be online\n for searching"));
 339 }
 340
 341 void ResourceWidget::slotNextPage()
 342 {
 343     int ix = page_number->value();
 344     if (search_results->count() > 0) page_number->setValue(ix + 1);
 345 }
 346
 347 void ResourceWidget::slotPreviousPage()
 348 {
 349     int ix = page_number->value();
 350     if (ix > 1) page_number->setValue(ix - 1);
 351 }
 352
 353 void ResourceWidget::parseLicense(const QString &licenseUrl)
 354 {
 355     QString licenseName;
 356     if (licenseUrl.contains("/sampling+/"))
 357         licenseName = "Sampling+";
 358     else if (licenseUrl.contains("/by/"))
 359         licenseName = "Attribution";
 360     else if (licenseUrl.contains("/by-nd/"))
 361         licenseName = "Attribution-NoDerivs";
 362     else if (licenseUrl.contains("/by-nc-sa/"))
 363         licenseName = "Attribution-NonCommercial-ShareAlike";
 364     else if (licenseUrl.contains("/by-sa/"))
 365         licenseName = "Attribution-ShareAlike";
 366     else if (licenseUrl.contains("/by-nc/"))
 367         licenseName = "Attribution-NonCommercial";
 368     else if (licenseUrl.contains("/by-nc-nd/"))
 369         licenseName = "Attribution-NonCommercial-NoDerivs";
 370     else if (licenseUrl.contains("/publicdomain/zero/"))
 371         licenseName = "Creative Commons 0";
 372     else if (licenseUrl.endsWith("/publicdomain"))
 373         licenseName = "Public Domain";
 374     else licenseName = i18n("Unknown");
 375     item_license->setText(licenseName);
 376     item_license->setUrl(licenseUrl);
 377 }
 378
 379
 380 void ResourceWidget::slotOpenLink(const QUrl &url)
 381 {
 382     QString path = url.toEncoded();
 383     if (path.endsWith("_import")) {
 384         path.chop(7);
 385         // import file in Kdenlive
 386         slotSaveItem(path);
 387     }
 388     else {
 389         slotOpenUrl(path);
 390     }
 391 }
 392
 393 void ResourceWidget::slotSetDescription(const QString &desc)
 394 {
 395     m_desc = desc;
 396     updateLayout();
 397 }
 398
 399 void ResourceWidget::slotSetMetadata(const QString &desc)
 400 {
 401     m_meta = desc;
 402     updateLayout();
 403 }
 404
 405 void ResourceWidget::slotSetImage(const QString &desc)
 406 {
 407     m_image = QString("<img src=\"%1\" style=\"max-height:150px\" max-width=\"%2px\" />").arg(desc).arg((int) (info_browser->width() * 0.9));
 408     updateLayout();
 409 }
 410
 411 void ResourceWidget::slotSetTitle(const QString &desc)
 412 {
 413     m_title = desc;
 414     updateLayout();
 415 }
 416
 417 void ResourceWidget::updateLayout()
 418 {
 419     QString content = m_title;
 420     if (!m_image.isEmpty()) content.append(m_image + "<br clear=\"all\" />");
 421     if (!m_desc.isEmpty()) content.append(m_desc);
 422     if (!m_meta.isEmpty()) content.append(m_meta);
 423     info_browser->setHtml(content);
 424 }
 425
 426
 427 #include "resourcewidget.moc"