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