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 ResourceWidget::ResourceWidget(const QString & folder, QWidget * parent) :
  61         QDialog(parent),
  62         m_folder(folder),
  63         m_currentService(NULL)
  64 {
  65     setFont(KGlobalSettings::toolBarFont());
  66     setupUi(this);
  67     setAttribute(Qt::WA_DeleteOnClose);
  68 #ifdef USE_QJSON
  69     service_list->addItem(i18n("Freesound Audio Library"), FREESOUND);
  70     service_list->addItem(i18n("Archive.org Video Library"), ARCHIVEORG);
  71 #endif
  72     service_list->addItem(i18n("Open Clip Art Graphic Library"), OPENCLIPART);
  73     setWindowTitle(i18n("Search Online Resources"));
  74     info_browser->setStyleSheet(QString("QTextBrowser { background-color: transparent;}"));
  75     connect(button_search, SIGNAL(clicked()), this, SLOT(slotStartSearch()));
  76     connect(search_results, SIGNAL(currentRowChanged(int)), this, SLOT(slotUpdateCurrentSound()));
  77     connect(button_preview, SIGNAL(clicked()), this, SLOT(slotPlaySound()));
  78     connect(button_import, SIGNAL(clicked()), this, SLOT(slotSaveItem()));
  79     connect(item_license, SIGNAL(leftClickedUrl(const QString &)), this, SLOT(slotOpenUrl(const QString &)));
  80     connect(service_list, SIGNAL(currentIndexChanged(int)), this, SLOT(slotChangeService()));
  81     if (Solid::Networking::status() == Solid::Networking::Unconnected) {
  82         slotOffline();
  83     }
  84     connect(Solid::Networking::notifier(), SIGNAL(shouldConnect()), this, SLOT(slotOnline()));
  85     connect(Solid::Networking::notifier(), SIGNAL(shouldDisconnect()), this, SLOT(slotOffline()));
  86     connect(page_next, SIGNAL(clicked()), this, SLOT(slotNextPage()));
  87     connect(page_prev, SIGNAL(clicked()), this, SLOT(slotPreviousPage()));
  88     connect(page_number, SIGNAL(valueChanged(int)), this, SLOT(slotStartSearch(int)));
  89     connect(info_browser, SIGNAL(anchorClicked(const QUrl &)), this, SLOT(slotOpenLink(const QUrl &)));
  90
  91     m_autoPlay = new QAction(i18n("Auto Play"), this);
  92     m_autoPlay->setCheckable(true);
  93     QMenu *resourceMenu = new QMenu;
  94     resourceMenu->addAction(m_autoPlay);
  95     config_button->setMenu(resourceMenu);
  96     config_button->setIcon(KIcon("configure"));
  97
  98 #if KDE_IS_VERSION(4,4,0)
  99     m_busyWidget = new KPixmapSequenceOverlayPainter(this);
 100     m_busyWidget->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter);
 101     m_busyWidget->setWidget(search_results->viewport());
 102 #endif
 103
 104     sound_box->setEnabled(false);
 105     search_text->setFocus();
 106 #ifdef USE_NEPOMUK
 107 #if KDE_IS_VERSION(4,6,0)
 108     Nepomuk::ResourceManager::instance()->init();
 109 #endif
 110 #endif
 111     slotChangeService();
 112 }
 113
 114 ResourceWidget::~ResourceWidget()
 115 {
 116     if (m_currentService) delete m_currentService;
 117     KIO::NetAccess::removeTempFile(m_tmpThumbFile);
 118 }
 119
 120 void ResourceWidget::slotStartSearch(int page)
 121 {
 122     page_number->blockSignals(true);
 123     page_number->setValue(page);
 124     page_number->blockSignals(false);
 125 #if KDE_IS_VERSION(4,4,0)
 126     m_busyWidget->start();
 127 #endif
 128     m_currentService->slotStartSearch(search_text->text(), page);
 129 }
 130
 131 void ResourceWidget::slotUpdateCurrentSound()
 132 {
 133     KIO::NetAccess::removeTempFile(m_tmpThumbFile);
 134     if (!m_autoPlay->isChecked()) m_currentService->stopItemPreview(NULL);
 135     item_license->clear();
 136     m_title.clear();
 137     m_image.clear();
 138     m_desc.clear();
 139     m_meta.clear();
 140     QListWidgetItem *item = search_results->currentItem();
 141     if (!item) {
 142         sound_box->setEnabled(false);
 143         return;
 144     }
 145     m_currentInfo = m_currentService->displayItemDetails(item);
 146
 147     if (m_autoPlay->isChecked() && m_currentService->hasPreview) m_currentService->startItemPreview(item);
 148     sound_box->setEnabled(true);
 149     QString title = "<h3>" + m_currentInfo.itemName;
 150     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"));
 151     title.append("</h3>");
 152
 153     if (!m_currentInfo.authorUrl.isEmpty()) {
 154         title += QString("<a href=\"%1\">").arg(m_currentInfo.authorUrl);
 155         if (!m_currentInfo.author.isEmpty())
 156             title.append(m_currentInfo.author);
 157         else title.append(i18n("Author"));
 158         title.append("</a><br />");
 159     }
 160     else if (!m_currentInfo.author.isEmpty())
 161         title.append(m_currentInfo.author + "<br />");
 162     else title.append("<br />");
 163
 164     slotSetTitle(title);
 165     if (!m_currentInfo.description.isEmpty()) slotSetDescription(m_currentInfo.description);
 166     if (!m_currentInfo.license.isEmpty()) parseLicense(m_currentInfo.license);
 167 }
 168
 169
 170 void ResourceWidget::slotLoadThumb(const QString url)
 171 {
 172     KUrl img(url);
 173     if (img.isEmpty()) return;
 174     if (KIO::NetAccess::exists(img, KIO::NetAccess::SourceSide, this)) {
 175         if (KIO::NetAccess::download(img, m_tmpThumbFile, this)) {
 176             slotSetImage(m_tmpThumbFile);
 177             /*QPixmap pix(tmpFile);
 178
 179             int newHeight = pix.height() * item_image->width() / pix.width();
 180             if (newHeight > 200) {
 181                 item_image->setScaledContents(false);
 182                 //item_image->setFixedHeight(item_image->width());
 183             }
 184             else {
 185                 item_image->setScaledContents(true);
 186                 item_image->setFixedHeight(newHeight);
 187             }
 188             item_image->setPixmap(pix);*/
 189         }
 190     }
 191 }
 192
 193
 194 void ResourceWidget::slotDisplayMetaInfo(QMap <QString, QString> metaInfo)
 195 {
 196     if (metaInfo.contains("license")) {
 197         parseLicense(metaInfo.value("license"));
 198     }
 199     if (metaInfo.contains("description")) {
 200         slotSetDescription(metaInfo.value("description"));
 201     }
 202 }
 203
 204
 205 void ResourceWidget::slotPlaySound()
 206 {
 207     if (!m_currentService) return;
 208     bool started = m_currentService->startItemPreview(search_results->currentItem());
 209     if (started) button_preview->setText(i18n("Preview"));
 210     else button_preview->setText(i18n("Stop"));
 211 }
 212
 213
 214 void ResourceWidget::slotSaveItem(const QString originalUrl)
 215 {
 216     //if (m_currentUrl.isEmpty()) return;
 217     QListWidgetItem *item = search_results->currentItem();
 218     if (!item) return;
 219     QString path = m_folder;
 220     QString ext;
 221     if (!path.endsWith('/')) path.append('/');
 222     if (!originalUrl.isEmpty()) {
 223         path.append(KUrl(originalUrl).fileName());
 224         ext = "*." + KUrl(originalUrl).fileName().section('.', -1);
 225         m_currentInfo.itemDownload = originalUrl;
 226     }
 227     else {
 228         path.append(m_currentService->getDefaultDownloadName(item));
 229         ext = m_currentService->getExtension(search_results->currentItem());
 230     }
 231     QString saveUrl = KFileDialog::getSaveFileName(KUrl(path), ext);
 232     KIO::UDSEntry entry;
 233     KUrl srcUrl(m_currentInfo.itemDownload);
 234     if (saveUrl.isEmpty() || !KIO::NetAccess::stat(srcUrl, entry, this)) return;
 235     KIO::FileCopyJob * getJob = KIO::file_copy(srcUrl, KUrl(saveUrl), -1, KIO::Overwrite);
 236
 237     KFileItem info(entry, srcUrl);
 238     getJob->setSourceSize(info.size());
 239     getJob->setProperty("license", item_license->text());
 240     getJob->setProperty("licenseurl", item_license->url());
 241     getJob->setProperty("originurl", m_currentInfo.itemDownload);
 242     if (!m_currentInfo.authorUrl.isEmpty()) getJob->setProperty("author", m_currentInfo.authorUrl);
 243     else if (!m_currentInfo.author.isEmpty()) getJob->setProperty("author", m_currentInfo.author);
 244     connect(getJob, SIGNAL(result(KJob*)), this, SLOT(slotGotFile(KJob*)));
 245     getJob->start();
 246 }
 247
 248 void ResourceWidget::slotGotFile(KJob *job)
 249 {
 250     if (job->error() != 0 ) return;
 251     KIO::FileCopyJob* copyJob = static_cast<KIO::FileCopyJob*>( job );
 252     const KUrl filePath = copyJob->destUrl();
 253 #ifdef USE_NEPOMUK
 254 #if KDE_IS_VERSION(4,6,0)
 255         Nepomuk::Resource res( filePath );
 256         res.setProperty( Nepomuk::Vocabulary::NIE::license(), (Nepomuk::Variant) job->property("license") );
 257         res.setProperty( Nepomuk::Vocabulary::NIE::licenseType(), (Nepomuk::Variant) job->property("licenseurl") );
 258         res.setProperty( Nepomuk::Vocabulary::NDO::copiedFrom(), (Nepomuk::Variant) job->property("originurl") );
 259         res.setProperty( Nepomuk::Vocabulary::NCO::creator(), (Nepomuk::Variant) job->property("author") );
 260         //res.setDescription(item_description->toPlainText());
 261         //res.setProperty( Soprano::Vocabulary::NAO::description(),
 262 #endif
 263 #endif
 264         emit addClip(filePath, stringMap());
 265 }
 266
 267 void ResourceWidget::slotOpenUrl(const QString &url)
 268 {
 269     new KRun(KUrl(url), this);
 270 }
 271
 272 void ResourceWidget::slotChangeService()
 273 {
 274     if (m_currentService) {
 275         delete m_currentService;
 276         m_currentService = NULL;
 277     }
 278     SERVICETYPE service = (SERVICETYPE) service_list->itemData(service_list->currentIndex()).toInt();
 279     if (service == FREESOUND) {
 280         m_currentService = new FreeSound(search_results);
 281     }
 282     else if (service == OPENCLIPART) {
 283         m_currentService = new OpenClipArt(search_results);
 284     }
 285     else if (service == ARCHIVEORG) {
 286         m_currentService = new ArchiveOrg(search_results);
 287     }
 288
 289     connect(m_currentService, SIGNAL(gotMetaInfo(const QString)), this, SLOT(slotSetMetadata(const QString)));
 290     connect(m_currentService, SIGNAL(gotMetaInfo(QMap <QString, QString>)), this, SLOT(slotDisplayMetaInfo(QMap <QString, QString>)));
 291     connect(m_currentService, SIGNAL(maxPages(int)), this, SLOT(slotSetMaximum(int)));
 292     connect(m_currentService, SIGNAL(searchInfo(QString)), search_info, SLOT(setText(QString)));
 293     connect(m_currentService, SIGNAL(gotThumb(const QString)), this, SLOT(slotLoadThumb(const QString)));
 294 #if KDE_IS_VERSION(4,4,0)
 295     connect(m_currentService, SIGNAL(searchDone()), m_busyWidget, SLOT(stop()));
 296 #endif
 297
 298     button_preview->setVisible(m_currentService->hasPreview);
 299     button_import->setVisible(!m_currentService->inlineDownload);
 300     search_info->setText(QString());
 301     if (!search_text->text().isEmpty()) slotStartSearch();
 302 }
 303
 304 void ResourceWidget::slotSetMaximum(int max)
 305 {
 306     page_number->setMaximum(max);
 307 }
 308
 309 void ResourceWidget::slotOnline()
 310 {
 311     button_search->setEnabled(true);
 312     search_info->setText(QString());
 313 }
 314
 315 void ResourceWidget::slotOffline()
 316 {
 317     button_search->setEnabled(false);
 318     search_info->setText(i18n("You need to be online\n for searching"));
 319 }
 320
 321 void ResourceWidget::slotNextPage()
 322 {
 323     int ix = page_number->value();
 324     if (search_results->count() > 0) page_number->setValue(ix + 1);
 325 }
 326
 327 void ResourceWidget::slotPreviousPage()
 328 {
 329     int ix = page_number->value();
 330     if (ix > 1) page_number->setValue(ix - 1);
 331 }
 332
 333 void ResourceWidget::parseLicense(const QString &licenseUrl)
 334 {
 335     QString licenseName;
 336     if (licenseUrl.contains("/sampling+/"))
 337         licenseName = "Sampling+";
 338     else if (licenseUrl.contains("/by/"))
 339         licenseName = "Attribution";
 340     else if (licenseUrl.contains("/by-nd/"))
 341         licenseName = "Attribution-NoDerivs";
 342     else if (licenseUrl.contains("/by-nc-sa/"))
 343         licenseName = "Attribution-NonCommercial-ShareAlike";
 344     else if (licenseUrl.contains("/by-sa/"))
 345         licenseName = "Attribution-ShareAlike";
 346     else if (licenseUrl.contains("/by-nc/"))
 347         licenseName = "Attribution-NonCommercial";
 348     else if (licenseUrl.contains("/by-nc-nd/"))
 349         licenseName = "Attribution-NonCommercial-NoDerivs";
 350     else if (licenseUrl.contains("/publicdomain/zero/"))
 351         licenseName = "Creative Commons 0";
 352     else if (licenseUrl.endsWith("/publicdomain"))
 353         licenseName = "Public Domain";
 354     else licenseName = i18n("Unknown");
 355     item_license->setText(licenseName);
 356     item_license->setUrl(licenseUrl);
 357 }
 358
 359
 360 void ResourceWidget::slotOpenLink(const QUrl &url)
 361 {
 362     QString path = url.toEncoded();
 363     if (path.endsWith("_import")) {
 364         path.chop(7);
 365         // import file in Kdenlive
 366         slotSaveItem(path);
 367     }
 368     else {
 369         slotOpenUrl(path);
 370     }
 371 }
 372
 373 void ResourceWidget::slotSetDescription(const QString desc)
 374 {
 375     m_desc = desc;
 376     updateLayout();
 377 }
 378
 379 void ResourceWidget::slotSetMetadata(const QString desc)
 380 {
 381     m_meta = desc;
 382     updateLayout();
 383 }
 384
 385 void ResourceWidget::slotSetImage(const QString desc)
 386 {
 387     m_image = QString("<img src=\"%1\" style=\"max-height:150px\" max-width=\"%2px\" />").arg(desc).arg((int) (info_browser->width() * 0.9));
 388     updateLayout();
 389 }
 390
 391 void ResourceWidget::slotSetTitle(const QString desc)
 392 {
 393     m_title = desc;
 394     updateLayout();
 395 }
 396
 397 void ResourceWidget::updateLayout()
 398 {
 399     QString content = m_title;
 400     if (!m_image.isEmpty()) content.append(m_image + "<br clear=\"all\" />");
 401     if (!m_desc.isEmpty()) content.append(m_desc);
 402     if (!m_meta.isEmpty()) content.append(m_meta);
 403     info_browser->setHtml(content);
 404 }
 405