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 <QDomDocument>
  31
  32 #include <KDebug>
  33 #include <kdeversion.h>
  34 #include "kdenlivesettings.h"
  35 #include <KGlobalSettings>
  36 #include <KMessageBox>
  37 #include <KFileDialog>
  38 #include <kio/job.h>
  39 #include <KIO/NetAccess>
  40 #include <Solid/Networking>
  41 #include <KRun>
  42
  43 #ifdef USE_NEPOMUK
  44 #if KDE_IS_VERSION(4,6,0)
  45 #include <Nepomuk/Variant>
  46 #include <Nepomuk/Resource>
  47 #include <Nepomuk/ResourceManager>
  48 #include <Soprano/Vocabulary/NAO>
  49 #include <Nepomuk/Vocabulary/NIE>
  50 #include <Nepomuk/Vocabulary/NDO>
  51 #endif
  52 #endif
  53
  54 ResourceWidget::ResourceWidget(const QString & folder, QWidget * parent) :
  55         QDialog(parent),
  56         m_folder(folder),
  57         m_currentService(NULL)
  58 {
  59     setFont(KGlobalSettings::toolBarFont());
  60     setupUi(this);
  61     setAttribute(Qt::WA_DeleteOnClose);
  62 #ifdef USE_QJSON
  63     service_list->addItem(i18n("Freesound Audio Library"), FREESOUND);
  64     service_list->addItem(i18n("Archive.org Video Library"), ARCHIVEORG);
  65 #endif
  66     service_list->addItem(i18n("Open Clip Art Graphic Library"), OPENCLIPART);
  67     setWindowTitle(i18n("Search Online Resources"));
  68     info_browser->setStyleSheet(QString("QTextBrowser { background-color: transparent;}"));
  69     connect(button_search, SIGNAL(clicked()), this, SLOT(slotStartSearch()));
  70     connect(search_results, SIGNAL(currentRowChanged(int)), this, SLOT(slotUpdateCurrentSound()));
  71     connect(button_preview, SIGNAL(clicked()), this, SLOT(slotPlaySound()));
  72     connect(button_import, SIGNAL(clicked()), this, SLOT(slotSaveItem()));
  73     connect(sound_author, SIGNAL(leftClickedUrl(const QString &)), this, SLOT(slotOpenUrl(const QString &)));
  74     connect(item_license, SIGNAL(leftClickedUrl(const QString &)), this, SLOT(slotOpenUrl(const QString &)));
  75     connect(sound_name, SIGNAL(leftClickedUrl(const QString &)), this, SLOT(slotOpenUrl(const QString &)));
  76     connect(service_list, SIGNAL(currentIndexChanged(int)), this, SLOT(slotChangeService()));
  77     item_image->setFixedWidth(180);
  78     if (Solid::Networking::status() == Solid::Networking::Unconnected) {
  79         slotOffline();
  80     }
  81     connect(Solid::Networking::notifier(), SIGNAL(shouldConnect()), this, SLOT(slotOnline()));
  82     connect(Solid::Networking::notifier(), SIGNAL(shouldDisconnect()), this, SLOT(slotOffline()));
  83     connect(page_next, SIGNAL(clicked()), this, SLOT(slotNextPage()));
  84     connect(page_prev, SIGNAL(clicked()), this, SLOT(slotPreviousPage()));
  85     connect(page_number, SIGNAL(valueChanged(int)), this, SLOT(slotStartSearch(int)));
  86     connect(info_browser, SIGNAL(anchorClicked(const QUrl &)), this, SLOT(slotOpenLink(const QUrl &)));
  87
  88     sound_box->setEnabled(false);
  89     search_text->setFocus();
  90 #ifdef USE_NEPOMUK
  91 #if KDE_IS_VERSION(4,6,0)
  92     Nepomuk::ResourceManager::instance()->init();
  93 #endif
  94 #endif
  95     slotChangeService();
  96 }
  97
  98 ResourceWidget::~ResourceWidget()
  99 {
 100     if (m_currentService) delete m_currentService;
 101 }
 102
 103 void ResourceWidget::slotStartSearch(int page)
 104 {
 105     page_number->blockSignals(true);
 106     page_number->setValue(page);
 107     page_number->blockSignals(false);
 108     m_currentService->slotStartSearch(search_text->text(), page);
 109 }
 110
 111 void ResourceWidget::slotUpdateCurrentSound()
 112 {
 113     item_image->setEnabled(false);
 114     if (!sound_autoplay->isChecked()) m_currentService->stopItemPreview(NULL);
 115     info_browser->clear();
 116     item_license->clear();
 117     QListWidgetItem *item = search_results->currentItem();
 118     if (!item) {
 119         sound_box->setEnabled(false);
 120         return;
 121     }
 122     m_currentInfo = m_currentService->displayItemDetails(item);
 123
 124     if (sound_autoplay->isChecked()) m_currentService->startItemPreview(item);
 125     sound_box->setEnabled(true);
 126     sound_name->setText(item->text());
 127     sound_name->setUrl(m_currentInfo.infoUrl);
 128     sound_author->setText(m_currentInfo.author);
 129     sound_author->setUrl(m_currentInfo.authorUrl);
 130     if (!m_currentInfo.description.isEmpty()) info_browser->setHtml("<em>" + m_currentInfo.description + "</em>");
 131     if (!m_currentInfo.license.isEmpty()) parseLicense(m_currentInfo.license);
 132 }
 133
 134
 135 void ResourceWidget::slotLoadThumb(const QString url)
 136 {
 137     KUrl img(url);
 138     if (img.isEmpty()) return;
 139     if (KIO::NetAccess::exists(img, KIO::NetAccess::SourceSide, this)) {
 140         QString tmpFile;
 141         if (KIO::NetAccess::download(img, tmpFile, this)) {
 142             QPixmap pix(tmpFile);
 143             int newHeight = pix.height() * item_image->width() / pix.width();
 144             if (newHeight > 200) {
 145                 item_image->setScaledContents(false);
 146                 //item_image->setFixedHeight(item_image->width());
 147             }
 148             else {
 149                 item_image->setScaledContents(true);
 150                 item_image->setFixedHeight(newHeight);
 151             }
 152             item_image->setPixmap(pix);
 153             KIO::NetAccess::removeTempFile(tmpFile);
 154         }
 155     }
 156     item_image->setEnabled(true);
 157 }
 158
 159
 160 void ResourceWidget::slotDisplayMetaInfo(QMap <QString, QString> metaInfo)
 161 {
 162     if (metaInfo.contains("license")) {
 163         parseLicense(metaInfo.value("license"));
 164     }
 165 }
 166
 167
 168 void ResourceWidget::slotPlaySound()
 169 {
 170     if (!m_currentService) return;
 171     bool started = m_currentService->startItemPreview(search_results->currentItem());
 172     if (started) button_preview->setText(i18n("Preview"));
 173     else button_preview->setText(i18n("Stop"));
 174 }
 175
 176
 177 void ResourceWidget::slotForcePlaySound(bool play)
 178 {
 179     /*
 180     if (m_service != FREESOUND) return;
 181     m_previewProcess->close();
 182     if (m_currentPreview.isEmpty()) return;
 183     if (play)
 184         m_previewProcess->start("ffplay", QStringList() << m_currentPreview << "-nodisp");
 185     */
 186 }
 187
 188 void ResourceWidget::slotPreviewStatusChanged(QProcess::ProcessState state)
 189 {
 190     /*if (state == QProcess::NotRunning)
 191         button_preview->setText(i18n("Preview"));
 192     else
 193         button_preview->setText(i18n("Stop"));*/
 194 }
 195
 196 void ResourceWidget::slotSaveItem(const QString originalUrl)
 197 {
 198     //if (m_currentUrl.isEmpty()) return;
 199     QListWidgetItem *item = search_results->currentItem();
 200     if (!item) return;
 201     QString path = m_folder;
 202     QString ext;
 203     if (!path.endsWith('/')) path.append('/');
 204     if (!originalUrl.isEmpty()) {
 205         path.append(KUrl(originalUrl).fileName());
 206         ext = "*." + KUrl(originalUrl).fileName().section(".", -1);
 207         m_currentInfo.itemDownload = originalUrl;
 208     }
 209     else {
 210         path.append(m_currentService->getDefaultDownloadName(item));
 211         ext = m_currentService->getExtension(search_results->currentItem());
 212     }
 213     QString saveUrl = KFileDialog::getSaveFileName(KUrl(path), ext);
 214     if (saveUrl.isEmpty()) return;
 215     if (KIO::NetAccess::download(KUrl(m_currentInfo.itemDownload), saveUrl, this)) {
 216         const KUrl filePath = KUrl(saveUrl);
 217 #ifdef USE_NEPOMUK
 218 #if KDE_IS_VERSION(4,6,0)
 219         Nepomuk::Resource res( filePath );
 220         res.setProperty( Nepomuk::Vocabulary::NIE::license(), (Nepomuk::Variant) item_license->text() );
 221         res.setProperty( Nepomuk::Vocabulary::NIE::licenseType(), (Nepomuk::Variant) item_license->url() );
 222         res.setProperty( Nepomuk::Vocabulary::NDO::copiedFrom(), sound_name->url() );
 223         //res.setDescription(item_description->toPlainText());
 224         //res.setProperty( Soprano::Vocabulary::NAO::description(),
 225 #endif
 226 #endif
 227         emit addClip(KUrl(saveUrl), QString());//, sound_name->url());
 228     }
 229 }
 230
 231 void ResourceWidget::slotOpenUrl(const QString &url)
 232 {
 233     new KRun(KUrl(url), this);
 234 }
 235
 236 void ResourceWidget::slotChangeService()
 237 {
 238     if (m_currentService) {
 239         delete m_currentService;
 240         m_currentService = NULL;
 241     }
 242     SERVICETYPE service = (SERVICETYPE) service_list->itemData(service_list->currentIndex()).toInt();
 243     if (service == FREESOUND) {
 244         m_currentService = new FreeSound(search_results);
 245     }
 246     else if (service == OPENCLIPART) {
 247         m_currentService = new OpenClipArt(search_results);
 248     }
 249     else if (service == ARCHIVEORG) {
 250         m_currentService = new ArchiveOrg(search_results);
 251     }
 252
 253     connect(m_currentService, SIGNAL(gotMetaInfo(const QString)), this, SLOT(slotGotMetaInfo(const QString)));
 254     connect(m_currentService, SIGNAL(gotMetaInfo(QMap <QString, QString>)), this, SLOT(slotDisplayMetaInfo(QMap <QString, QString>)));
 255     connect(m_currentService, SIGNAL(maxPages(int)), page_number, SLOT(setMaximum(int)));
 256     connect(m_currentService, SIGNAL(searchInfo(QString)), search_info, SLOT(setText(QString)));
 257     connect(m_currentService, SIGNAL(gotThumb(const QString)), this, SLOT(slotLoadThumb(const QString)));
 258
 259     button_preview->setVisible(m_currentService->hasPreview);
 260     button_import->setVisible(!m_currentService->inlineDownload);
 261     sound_autoplay->setVisible(m_currentService->hasPreview);
 262     search_info->setText(QString());
 263     info_browser->setVisible(m_currentService->hasMetadata);
 264     if (!search_text->text().isEmpty()) slotStartSearch();
 265 }
 266
 267 void ResourceWidget::slotOnline()
 268 {
 269     button_search->setEnabled(true);
 270     search_info->setText(QString());
 271 }
 272
 273 void ResourceWidget::slotOffline()
 274 {
 275     button_search->setEnabled(false);
 276     search_info->setText(i18n("You need to be online\n for searching"));
 277 }
 278
 279 void ResourceWidget::slotNextPage()
 280 {
 281     int ix = page_number->value();
 282     if (search_results->count() > 0) page_number->setValue(ix + 1);
 283 }
 284
 285 void ResourceWidget::slotPreviousPage()
 286 {
 287     int ix = page_number->value();
 288     if (ix > 1) page_number->setValue(ix - 1);
 289 }
 290
 291 void ResourceWidget::parseLicense(const QString &licenseUrl)
 292 {
 293     QString licenseName;
 294     if (licenseUrl.contains("/sampling+/"))
 295         licenseName = "Sampling+";
 296     else if (licenseUrl.contains("/by/"))
 297         licenseName = "Attribution";
 298     else if (licenseUrl.contains("/by-nd/"))
 299         licenseName = "Attribution-NoDerivs";
 300     else if (licenseUrl.contains("/by-nc-sa/"))
 301         licenseName = "Attribution-NonCommercial-ShareAlike";
 302     else if (licenseUrl.contains("/by-sa/"))
 303         licenseName = "Attribution-ShareAlike";
 304     else if (licenseUrl.contains("/by-nc/"))
 305         licenseName = "Attribution-NonCommercial";
 306     else if (licenseUrl.contains("/by-nc-nd/"))
 307         licenseName = "Attribution-NonCommercial-NoDerivs";
 308     else if (licenseUrl.contains("/publicdomain/zero/"))
 309         licenseName = "Creative Commons 0";
 310     else if (licenseUrl.endsWith("/publicdomain"))
 311         licenseName = "Public Domain";
 312     else licenseName = i18n("Unknown");
 313     item_license->setText(licenseName);
 314     item_license->setUrl(licenseUrl);
 315 }
 316
 317 void ResourceWidget::slotGotMetaInfo(const QString info)
 318 {
 319     info_browser->setHtml(info_browser->toHtml() + info);
 320 }
 321
 322
 323 void ResourceWidget::slotOpenLink(const QUrl &url)
 324 {
 325     QString path = url.toEncoded();
 326     if (path.endsWith("_preview")) {
 327         path.chop(8);
 328         slotOpenUrl(path);
 329     }
 330     else {
 331         // import file in Kdenlive
 332         slotSaveItem(path);
 333     }
 334 }
 335