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_widget->setStyleSheet(QString("QTreeWidget { background-color: transparent;}"));
  69     item_description->setStyleSheet(QString("KTextBrowser { background-color: transparent;}"));
  70     connect(button_search, SIGNAL(clicked()), this, SLOT(slotStartSearch()));
  71     connect(search_results, SIGNAL(currentRowChanged(int)), this, SLOT(slotUpdateCurrentSound()));
  72     connect(button_preview, SIGNAL(clicked()), this, SLOT(slotPlaySound()));
  73     connect(button_import, SIGNAL(clicked()), this, SLOT(slotSaveSound()));
  74     connect(sound_author, SIGNAL(leftClickedUrl(const QString &)), this, SLOT(slotOpenUrl(const QString &)));
  75     connect(item_license, SIGNAL(leftClickedUrl(const QString &)), this, SLOT(slotOpenUrl(const QString &)));
  76     connect(sound_name, SIGNAL(leftClickedUrl(const QString &)), this, SLOT(slotOpenUrl(const QString &)));
  77     connect(service_list, SIGNAL(currentIndexChanged(int)), this, SLOT(slotChangeService()));
  78     sound_image->setFixedWidth(180);
  79     if (Solid::Networking::status() == Solid::Networking::Unconnected) {
  80         slotOffline();
  81     }
  82     connect(Solid::Networking::notifier(), SIGNAL(shouldConnect()), this, SLOT(slotOnline()));
  83     connect(Solid::Networking::notifier(), SIGNAL(shouldDisconnect()), this, SLOT(slotOffline()));
  84     connect(page_next, SIGNAL(clicked()), this, SLOT(slotNextPage()));
  85     connect(page_prev, SIGNAL(clicked()), this, SLOT(slotPreviousPage()));
  86     connect(page_number, SIGNAL(valueChanged(int)), this, SLOT(slotStartSearch(int)));
  87     sound_box->setEnabled(false);
  88     search_text->setFocus();
  89 #ifdef USE_NEPOMUK
  90 #if KDE_IS_VERSION(4,6,0)
  91     Nepomuk::ResourceManager::instance()->init();
  92 #endif
  93 #endif
  94     slotChangeService();
  95 }
  96
  97 ResourceWidget::~ResourceWidget()
  98 {
  99     if (m_currentService) delete m_currentService;
 100 }
 101
 102 void ResourceWidget::slotStartSearch(int page)
 103 {
 104     page_number->blockSignals(true);
 105     page_number->setValue(page);
 106     page_number->blockSignals(false);
 107     m_currentService->slotStartSearch(search_text->text(), page);
 108 }
 109
 110 void ResourceWidget::slotUpdateCurrentSound()
 111 {
 112     if (!sound_autoplay->isChecked()) m_currentService->stopItemPreview(NULL);
 113     info_widget->clear();
 114     item_description->clear();
 115     item_license->clear();
 116     QListWidgetItem *item = search_results->currentItem();
 117     if (!item) {
 118         sound_box->setEnabled(false);
 119         return;
 120     }
 121     m_currentInfo = m_currentService->displayItemDetails(item);
 122
 123     if (sound_autoplay->isChecked()) m_currentService->startItemPreview(item);
 124     sound_box->setEnabled(true);
 125     sound_name->setText(item->text());
 126     sound_name->setUrl(m_currentInfo.infoUrl);
 127     sound_author->setText(m_currentInfo.author);
 128     sound_author->setUrl(m_currentInfo.authorUrl);
 129     item_description->setHtml(m_currentInfo.description);
 130
 131
 132     KUrl img(m_currentInfo.imagePreview);
 133     if (img.isEmpty()) return;
 134     if (KIO::NetAccess::exists(img, KIO::NetAccess::SourceSide, this)) {
 135         QString tmpFile;
 136         if (KIO::NetAccess::download(img, tmpFile, this)) {
 137             QPixmap pix(tmpFile);
 138             int newHeight = pix.height() * sound_image->width() / pix.width();
 139             if (newHeight > 200) {
 140                 sound_image->setScaledContents(false);
 141                 //sound_image->setFixedHeight(sound_image->width());
 142             }
 143             else {
 144                 sound_image->setScaledContents(true);
 145                 sound_image->setFixedHeight(newHeight);
 146             }
 147             sound_image->setPixmap(pix);
 148             KIO::NetAccess::removeTempFile(tmpFile);
 149         }
 150     }
 151 }
 152
 153
 154 void ResourceWidget::slotDisplayMetaInfo(QMap <QString, QString> metaInfo)
 155 {
 156     if (metaInfo.contains("description")) {
 157         item_description->setHtml(metaInfo.value("description"));
 158         metaInfo.remove("description");
 159     }
 160     if (metaInfo.contains("license")) {
 161         parseLicense(metaInfo.value("license"));
 162         metaInfo.remove("license");
 163     }
 164     QMap<QString, QString>::const_iterator i = metaInfo.constBegin();
 165     while (i != metaInfo.constEnd()) {
 166         new QTreeWidgetItem(info_widget, QStringList() << i.key() << i.value());
 167         ++i;
 168     }
 169     info_widget->resizeColumnToContents(0);
 170     info_widget->resizeColumnToContents(1);
 171 }
 172
 173
 174 void ResourceWidget::slotPlaySound()
 175 {
 176     if (!m_currentService) return;
 177     bool started = m_currentService->startItemPreview(search_results->currentItem());
 178     if (started) button_preview->setText(i18n("Preview"));
 179     else button_preview->setText(i18n("Stop"));
 180 }
 181
 182
 183 void ResourceWidget::slotForcePlaySound(bool play)
 184 {
 185     /*
 186     if (m_service != FREESOUND) return;
 187     m_previewProcess->close();
 188     if (m_currentPreview.isEmpty()) return;
 189     if (play)
 190         m_previewProcess->start("ffplay", QStringList() << m_currentPreview << "-nodisp");
 191     */
 192 }
 193
 194 void ResourceWidget::slotPreviewStatusChanged(QProcess::ProcessState state)
 195 {
 196     /*if (state == QProcess::NotRunning)
 197         button_preview->setText(i18n("Preview"));
 198     else
 199         button_preview->setText(i18n("Stop"));*/
 200 }
 201
 202 void ResourceWidget::slotSaveSound()
 203 {
 204     //if (m_currentUrl.isEmpty()) return;
 205     QListWidgetItem *item = search_results->currentItem();
 206     if (!item) return;
 207     QString path = m_folder;
 208     if (!path.endsWith('/')) path.append('/');
 209     path.append(m_currentService->getDefaultDownloadName(item));
 210     QString ext = m_currentService->getExtension(search_results->currentItem());
 211     QString saveUrl = KFileDialog::getSaveFileName(KUrl(path), ext);
 212     if (saveUrl.isEmpty()) return;
 213     if (KIO::NetAccess::download(KUrl(m_currentInfo.itemDownload), saveUrl, this)) {
 214         const KUrl filePath = KUrl(saveUrl);
 215 #ifdef USE_NEPOMUK
 216 #if KDE_IS_VERSION(4,6,0)
 217         Nepomuk::Resource res( filePath );
 218         res.setProperty( Nepomuk::Vocabulary::NIE::license(), (Nepomuk::Variant) item_license->text() );
 219         res.setProperty( Nepomuk::Vocabulary::NIE::licenseType(), (Nepomuk::Variant) item_license->url() );
 220         res.setProperty( Nepomuk::Vocabulary::NDO::copiedFrom(), sound_name->url() );
 221         //res.setDescription(item_description->toPlainText());
 222         //res.setProperty( Soprano::Vocabulary::NAO::description(),
 223 #endif
 224 #endif
 225         emit addClip(KUrl(saveUrl), QString());//, sound_name->url());
 226     }
 227 }
 228
 229 void ResourceWidget::slotOpenUrl(const QString &url)
 230 {
 231     new KRun(KUrl(url), this);
 232 }
 233
 234 void ResourceWidget::slotChangeService()
 235 {
 236     if (m_currentService) {
 237         delete m_currentService;
 238         m_currentService = NULL;
 239     }
 240     SERVICETYPE service = (SERVICETYPE) service_list->itemData(service_list->currentIndex()).toInt();
 241     if (service == FREESOUND) {
 242         m_currentService = new FreeSound(search_results);
 243     }
 244     else if (service == OPENCLIPART) {
 245         m_currentService = new OpenClipArt(search_results);
 246     }
 247     else if (service == ARCHIVEORG) {
 248         m_currentService = new ArchiveOrg(search_results);
 249     }
 250
 251     connect(m_currentService, SIGNAL(gotMetaInfo(QMap <QString, QString>)), this, SLOT(slotDisplayMetaInfo(QMap <QString, QString>)));
 252     connect(m_currentService, SIGNAL(maxPages(int)), page_number, SLOT(setMaximum(int)));
 253     connect(m_currentService, SIGNAL(searchInfo(QString)), search_info, SLOT(setText(QString)));
 254
 255     button_preview->setVisible(m_currentService->hasPreview);
 256     sound_autoplay->setVisible(m_currentService->hasPreview);
 257     search_info->setText(QString());
 258     info_widget->setVisible(m_currentService->hasMetadata);
 259     if (!search_text->text().isEmpty()) slotStartSearch();
 260 }
 261
 262 void ResourceWidget::slotOnline()
 263 {
 264     button_search->setEnabled(true);
 265     search_info->setText(QString());
 266 }
 267
 268 void ResourceWidget::slotOffline()
 269 {
 270     button_search->setEnabled(false);
 271     search_info->setText(i18n("You need to be online\n for searching"));
 272 }
 273
 274 void ResourceWidget::slotNextPage()
 275 {
 276     int ix = page_number->value();
 277     if (search_results->count() > 0) page_number->setValue(ix + 1);
 278 }
 279
 280 void ResourceWidget::slotPreviousPage()
 281 {
 282     int ix = page_number->value();
 283     if (ix > 1) page_number->setValue(ix - 1);
 284 }
 285
 286 void ResourceWidget::parseLicense(const QString &licenseUrl)
 287 {
 288     QString licenseName;
 289     if (licenseUrl.contains("/sampling+/"))
 290         licenseName = "Sampling+";
 291     else if (licenseUrl.contains("/by/"))
 292         licenseName = "Attribution";
 293     else if (licenseUrl.contains("/by-nd/"))
 294         licenseName = "Attribution-NoDerivs";
 295     else if (licenseUrl.contains("/by-nc-sa/"))
 296         licenseName = "Attribution-NonCommercial-ShareAlike";
 297     else if (licenseUrl.contains("/by-sa/"))
 298         licenseName = "Attribution-ShareAlike";
 299     else if (licenseUrl.contains("/by-nc/"))
 300         licenseName = "Attribution-NonCommercial";
 301     else if (licenseUrl.contains("/by-nc-nd/"))
 302         licenseName = "Attribution-NonCommercial-NoDerivs";
 303     else if (licenseUrl.contains("/publicdomain/zero/"))
 304         licenseName = "Creative Commons 0";
 305     else if (licenseUrl.endsWith("/publicdomain"))
 306         licenseName = "Public Domain";
 307     else licenseName = i18n("Unknown");
 308     item_license->setText(licenseName);
 309     item_license->setUrl(licenseUrl);
 310 }
 311