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