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
  26 #include <QPushButton>
  27 #include <QSpinBox>
  28 #include <QListWidget>
  29 #include <QDomDocument>
  30
  31 #include <KDebug>
  32 #include "kdenlivesettings.h"
  33 #include <KGlobalSettings>
  34 #include <KMessageBox>
  35 #include <KFileDialog>
  36 #include <kio/job.h>
  37 #include <KIO/NetAccess>
  38 #include <Solid/Networking>
  39 #include <KRun>
  40
  41 #ifdef USE_NEPOMUK AND KDE_IS_VERSION(4,6,0)
  42 #include <Nepomuk/Variant>
  43 #include <Nepomuk/Resource>
  44 #include <Nepomuk/ResourceManager>
  45 #include <Soprano/Vocabulary/NAO>
  46 #include <Nepomuk/Vocabulary/NIE>
  47 #include <Nepomuk/Vocabulary/NDO>
  48 #endif
  49
  50 ResourceWidget::ResourceWidget(const QString & folder, QWidget * parent) :
  51         QDialog(parent),
  52         m_folder(folder),
  53         m_currentService(NULL)
  54 {
  55     setFont(KGlobalSettings::toolBarFont());
  56     setupUi(this);
  57     setAttribute(Qt::WA_DeleteOnClose);
  58 #ifdef USE_QJSON
  59     service_list->addItem(i18n("Freesound Audio Library"), FREESOUND);
  60 #endif
  61     service_list->addItem(i18n("Open Clip Art Graphic Library"), OPENCLIPART);
  62     setWindowTitle(i18n("Search Online Resources"));
  63     info_widget->setStyleSheet(QString("QTreeWidget { background-color: transparent;}"));
  64     item_description->setStyleSheet(QString("KTextBrowser { background-color: transparent;}"));
  65     connect(button_search, SIGNAL(clicked()), this, SLOT(slotStartSearch()));
  66     connect(search_results, SIGNAL(currentRowChanged(int)), this, SLOT(slotUpdateCurrentSound()));
  67     connect(button_preview, SIGNAL(clicked()), this, SLOT(slotPlaySound()));
  68     connect(button_import, SIGNAL(clicked()), this, SLOT(slotSaveSound()));
  69     connect(sound_author, SIGNAL(leftClickedUrl(const QString &)), this, SLOT(slotOpenUrl(const QString &)));
  70     connect(item_license, SIGNAL(leftClickedUrl(const QString &)), this, SLOT(slotOpenUrl(const QString &)));
  71     connect(sound_name, SIGNAL(leftClickedUrl(const QString &)), this, SLOT(slotOpenUrl(const QString &)));
  72     connect(service_list, SIGNAL(currentIndexChanged(int)), this, SLOT(slotChangeService()));
  73     sound_image->setFixedWidth(180);
  74     if (Solid::Networking::status() == Solid::Networking::Unconnected) {
  75         slotOffline();
  76     }
  77     connect(Solid::Networking::notifier(), SIGNAL(shouldConnect()), this, SLOT(slotOnline()));
  78     connect(Solid::Networking::notifier(), SIGNAL(shouldDisconnect()), this, SLOT(slotOffline()));
  79     connect(page_next, SIGNAL(clicked()), this, SLOT(slotNextPage()));
  80     connect(page_prev, SIGNAL(clicked()), this, SLOT(slotPreviousPage()));
  81     connect(page_number, SIGNAL(valueChanged(int)), this, SLOT(slotStartSearch(int)));
  82     sound_box->setEnabled(false);
  83     search_text->setFocus();
  84 #ifdef USE_NEPOMUK AND KDE_IS_VERSION(4,6,0)
  85     Nepomuk::ResourceManager::instance()->init();
  86 #endif
  87     slotChangeService();
  88 }
  89
  90 ResourceWidget::~ResourceWidget()
  91 {
  92     if (m_currentService) delete m_currentService;
  93 }
  94
  95 void ResourceWidget::slotStartSearch(int page)
  96 {
  97     /*m_currentPreview.clear();
  98     m_currentUrl.clear();*/
  99     page_number->blockSignals(true);
 100     page_number->setValue(page);
 101     page_number->blockSignals(false);
 102     m_currentService->slotStartSearch(search_text->text(), page);
 103     /*QString uri;
 104     if (m_service == FREESOUND) {
 105         uri = "http://www.freesound.org/api/sounds/search/?q=";
 106         uri.append(search_text->text());
 107         if (page > 1) uri.append("&p=" + QString::number(page));
 108         uri.append("&api_key=a1772c8236e945a4bee30a64058dabf8");
 109     }
 110     else if (m_service == OPENCLIPART) {
 111         uri = "http://openclipart.org/api/search/?query=";
 112         uri.append(search_text->text());
 113         if (page > 1) uri.append("&page=" + QString::number(page));
 114     }*/
 115 }
 116
 117 void ResourceWidget::slotUpdateCurrentSound()
 118 {
 119     if (!sound_autoplay->isChecked()) m_currentService->stopItemPreview(NULL);
 120     info_widget->clear();
 121     item_description->clear();
 122     item_license->clear();
 123     QListWidgetItem *item = search_results->currentItem();
 124     if (!item) {
 125         sound_box->setEnabled(false);
 126         return;
 127     }
 128     m_currentInfo = m_currentService->displayItemDetails(item);
 129     /*m_currentPreview = item->data(previewRole).toString();
 130     m_currentUrl = item->data(downloadRole).toString();
 131     m_currentId = item->data(idRole).toInt();*/
 132
 133     if (sound_autoplay->isChecked()) m_currentService->startItemPreview(item);
 134     sound_box->setEnabled(true);
 135     sound_name->setText(item->text());
 136     sound_name->setUrl(m_currentInfo.infoUrl);
 137     sound_author->setText(m_currentInfo.author);
 138     sound_author->setUrl(m_currentInfo.authorUrl);
 139     item_description->setHtml(m_currentInfo.description);
 140
 141
 142     KUrl img(m_currentInfo.imagePreview);
 143     if (img.isEmpty()) return;
 144     if (KIO::NetAccess::exists(img, KIO::NetAccess::SourceSide, this)) {
 145         QString tmpFile;
 146         if (KIO::NetAccess::download(img, tmpFile, this)) {
 147             QPixmap pix(tmpFile);
 148             int newHeight = pix.height() * sound_image->width() / pix.width();
 149             if (newHeight > 200) {
 150                 sound_image->setScaledContents(false);
 151                 //sound_image->setFixedHeight(sound_image->width());
 152             }
 153             else {
 154                 sound_image->setScaledContents(true);
 155                 sound_image->setFixedHeight(newHeight);
 156             }
 157             sound_image->setPixmap(pix);
 158             KIO::NetAccess::removeTempFile(tmpFile);
 159         }
 160     }
 161 }
 162
 163
 164 void ResourceWidget::slotDisplayMetaInfo(QMap <QString, QString> metaInfo)
 165 {
 166     if (metaInfo.contains("description")) {
 167         item_description->setHtml(metaInfo.value("description"));
 168         metaInfo.remove("description");
 169     }
 170     if (metaInfo.contains("license")) {
 171         parseLicense(metaInfo.value("license"));
 172         metaInfo.remove("license");
 173     }
 174     QMap<QString, QString>::const_iterator i = metaInfo.constBegin();
 175     while (i != metaInfo.constEnd()) {
 176         new QTreeWidgetItem(info_widget, QStringList() << i.key() << i.value());
 177         ++i;
 178     }
 179     info_widget->resizeColumnToContents(0);
 180     info_widget->resizeColumnToContents(1);
 181 }
 182
 183
 184 void ResourceWidget::slotPlaySound()
 185 {
 186     if (!m_currentService) return;
 187     bool started = m_currentService->startItemPreview(search_results->currentItem());
 188     if (started) button_preview->setText(i18n("Preview"));
 189     else button_preview->setText(i18n("Stop"));
 190 }
 191
 192
 193 void ResourceWidget::slotForcePlaySound(bool play)
 194 {
 195     /*
 196     if (m_service != FREESOUND) return;
 197     m_previewProcess->close();
 198     if (m_currentPreview.isEmpty()) return;
 199     if (play)
 200         m_previewProcess->start("ffplay", QStringList() << m_currentPreview << "-nodisp");
 201     */
 202 }
 203
 204 void ResourceWidget::slotPreviewStatusChanged(QProcess::ProcessState state)
 205 {
 206     /*if (state == QProcess::NotRunning)
 207         button_preview->setText(i18n("Preview"));
 208     else
 209         button_preview->setText(i18n("Stop"));*/
 210 }
 211
 212 void ResourceWidget::slotSaveSound()
 213 {
 214     //if (m_currentUrl.isEmpty()) return;
 215     QListWidgetItem *item = search_results->currentItem();
 216     if (!item) return;
 217     QString path = m_folder;
 218     if (!path.endsWith('/')) path.append('/');
 219     path.append(m_currentService->getDefaultDownloadName(item));
 220     QString ext = m_currentService->getExtension(search_results->currentItem());
 221     QString saveUrl = KFileDialog::getSaveFileName(KUrl(path), ext);
 222     if (saveUrl.isEmpty()) return;
 223     if (KIO::NetAccess::download(KUrl(m_currentInfo.itemDownload), saveUrl, this)) {
 224         const KUrl filePath = KUrl(saveUrl);
 225 #ifdef USE_NEPOMUK AND KDE_IS_VERSION(4,6,0)
 226         Nepomuk::Resource res( filePath );
 227         res.setProperty( Nepomuk::Vocabulary::NIE::license(), (Nepomuk::Variant) item_license->text() );
 228         res.setProperty( Nepomuk::Vocabulary::NIE::licenseType(), (Nepomuk::Variant) item_license->url() );
 229         res.setProperty( Nepomuk::Vocabulary::NDO::copiedFrom(), sound_name->url() );
 230         //res.setDescription(item_description->toPlainText());
 231         //res.setProperty( Soprano::Vocabulary::NAO::description(),
 232 #endif
 233         emit addClip(KUrl(saveUrl), QString());//, sound_name->url());
 234     }
 235 }
 236
 237 void ResourceWidget::slotOpenUrl(const QString &url)
 238 {
 239     new KRun(KUrl(url), this);
 240 }
 241
 242 void ResourceWidget::slotChangeService()
 243 {
 244     if (m_currentService) {
 245         delete m_currentService;
 246         m_currentService = NULL;
 247     }
 248     SERVICETYPE service = (SERVICETYPE) service_list->itemData(service_list->currentIndex()).toInt();
 249     if (service == FREESOUND) {
 250         m_currentService = new FreeSound(search_results);
 251     }
 252     else if (service == OPENCLIPART) {
 253         m_currentService = new OpenClipArt(search_results);
 254     }
 255     connect(m_currentService, SIGNAL(gotMetaInfo(QMap <QString, QString>)), this, SLOT(slotDisplayMetaInfo(QMap <QString, QString>)));
 256     connect(m_currentService, SIGNAL(maxPages(int)), page_number, SLOT(setMaximum(int)));
 257     connect(m_currentService, SIGNAL(searchInfo(QString)), search_info, SLOT(setText(QString)));
 258
 259     button_preview->setVisible(m_currentService->hasPreview);
 260     sound_autoplay->setVisible(m_currentService->hasPreview);
 261     search_info->setText(QString());
 262     info_widget->setVisible(m_currentService->hasMetadata);
 263     if (!search_text->text().isEmpty()) slotStartSearch();
 264 }
 265
 266 void ResourceWidget::slotOnline()
 267 {
 268     button_search->setEnabled(true);
 269     search_info->setText(QString());
 270 }
 271
 272 void ResourceWidget::slotOffline()
 273 {
 274     button_search->setEnabled(false);
 275     search_info->setText(i18n("You need to be online\n for searching"));
 276 }
 277
 278 void ResourceWidget::slotNextPage()
 279 {
 280     int ix = page_number->value();
 281     if (search_results->count() > 0) page_number->setValue(ix + 1);
 282 }
 283
 284 void ResourceWidget::slotPreviousPage()
 285 {
 286     int ix = page_number->value();
 287     if (ix > 1) page_number->setValue(ix - 1);
 288 }
 289
 290 void ResourceWidget::parseLicense(const QString &licenseUrl)
 291 {
 292     QString licenseName;
 293     if (licenseUrl.contains("/sampling+/"))
 294         licenseName = "Sampling+";
 295     else if (licenseUrl.contains("/by/"))
 296         licenseName = "Attribution";
 297     else if (licenseUrl.contains("/by-nd/"))
 298         licenseName = "Attribution-NoDerivs";
 299     else if (licenseUrl.contains("/by-nc-sa/"))
 300         licenseName = "Attribution-NonCommercial-ShareAlike";
 301     else if (licenseUrl.contains("/by-sa/"))
 302         licenseName = "Attribution-ShareAlike";
 303     else if (licenseUrl.contains("/by-nc/"))
 304         licenseName = "Attribution-NonCommercial";
 305     else if (licenseUrl.contains("/by-nc-nd/"))
 306         licenseName = "Attribution-NonCommercial-NoDerivs";
 307     else if (licenseUrl.contains("/publicdomain/zero/"))
 308         licenseName = "Creative Commons 0";
 309     else if (licenseUrl.endsWith("/publicdomain"))
 310         licenseName = "Public Domain";
 311     item_license->setText(i18n("License: %1", licenseName));
 312     item_license->setUrl(licenseUrl);
 313 }
 314