git.sesse.net Git - kdenlive/blob - src/utils/archiveorg.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 "archiveorg.h"
  23
  24 #include <QPushButton>
  25 #include <QSpinBox>
  26 #include <QListWidget>
  27 #include <QDomDocument>
  28 #include <QApplication>
  29
  30 #include <KDebug>
  31 #include "kdenlivesettings.h"
  32 #include <kio/job.h>
  33 #include <KLocale>
  34
  35 #ifdef USE_QJSON
  36 #include <qjson/parser.h>
  37 #endif
  38
  39 ArchiveOrg::ArchiveOrg(QListWidget *listWidget, QObject *parent) :
  40         AbstractService(listWidget, parent),
  41         m_previewProcess(new QProcess)
  42 {
  43     serviceType = ARCHIVEORG;
  44     hasPreview = false;
  45     hasMetadata = true;
  46     inlineDownload = true;
  47     //connect(m_previewProcess, SIGNAL(stateChanged(QProcess::ProcessState)), this, SLOT(slotPreviewStatusChanged(QProcess::ProcessState)));
  48 }
  49
  50 ArchiveOrg::~ArchiveOrg()
  51 {
  52     if (m_previewProcess) delete m_previewProcess;
  53 }
  54
  55 void ArchiveOrg::slotStartSearch(const QString searchText, int page)
  56 {
  57     m_listWidget->clear();
  58     QString uri = "http://www.archive.org/advancedsearch.php?q=";
  59     uri.append(searchText);
  60     uri.append("%20AND%20mediatype:movies");//MovingImage");
  61     uri.append("&fl%5B%5D=creator&fl%5B%5D=description&fl%5B%5D=identifier&fl%5B%5D=licenseurl&fl%5B%5D=title");
  62     uri.append("&rows=30");
  63     if (page > 1) uri.append("&page=" + QString::number(page));
  64     uri.append("&output=json"); //&callback=callback&save=yes#raw");
  65
  66     KJob* resolveJob = KIO::storedGet( KUrl(uri), KIO::NoReload, KIO::HideProgressInfo );
  67     connect( resolveJob, SIGNAL( result( KJob* ) ), this, SLOT( slotShowResults( KJob* ) ) );
  68 }
  69
  70
  71 void ArchiveOrg::slotShowResults(KJob* job)
  72 {
  73     if (job->error() != 0 ) return;
  74     m_listWidget->blockSignals(true);
  75     KIO::StoredTransferJob* storedQueryJob = static_cast<KIO::StoredTransferJob*>( job );
  76 #ifdef USE_QJSON
  77     QJson::Parser parser;
  78     bool ok;
  79     //kDebug()<<"// GOT RESULT: "<<m_result;
  80     QVariant data = parser.parse(storedQueryJob->data(), &ok);
  81     QVariant sounds;
  82     if (data.canConvert(QVariant::Map)) {
  83         QMap <QString, QVariant> map = data.toMap();
  84         QMap<QString, QVariant>::const_iterator i = map.constBegin();
  85         while (i != map.constEnd()) {
  86             if (i.key() == "response") {
  87                 sounds = i.value();
  88                 if (sounds.canConvert(QVariant::Map)) {
  89                     QMap <QString, QVariant> soundsList = sounds.toMap();
  90                     if (soundsList.contains("numFound")) emit searchInfo(i18np("Found %1 result", "Found %1 results", soundsList.value("numFound").toInt()));
  91                     QList <QVariant> resultsList;
  92                     if (soundsList.contains("docs")) {
  93                         resultsList = soundsList.value("docs").toList();
  94                     }
  95
  96                     for (int j = 0; j < resultsList.count(); j++) {
  97                         if (resultsList.at(j).canConvert(QVariant::Map)) {
  98                             QMap <QString, QVariant> soundmap = resultsList.at(j).toMap();
  99                             if (soundmap.contains("title")) {
 100                                 QListWidgetItem *item = new   QListWidgetItem(soundmap.value("title").toString(), m_listWidget);
 101                                 item->setData(descriptionRole, soundmap.value("description").toString());
 102                                 item->setData(idRole, soundmap.value("identifier").toString());
 103                                 QString author = soundmap.value("creator").toString();
 104                                 item->setData(authorRole, author);
 105                                 if (author.startsWith("http")) item->setData(authorUrl, author);
 106                                 item->setData(infoUrl, "http://archive.org/details/" + soundmap.value("identifier").toString());
 107                                 item->setData(downloadRole, "http://archive.org/download/" + soundmap.value("identifier").toString());
 108                                 item->setData(licenseRole, soundmap.value("licenseurl").toString());
 109                             }
 110                         }
 111                     }
 112                 }
 113             }
 114             ++i;
 115         }
 116     }
 117 #endif
 118     m_listWidget->blockSignals(false);
 119     m_listWidget->setCurrentRow(0);
 120 }
 121
 122
 123 OnlineItemInfo ArchiveOrg::displayItemDetails(QListWidgetItem *item)
 124 {
 125     OnlineItemInfo info;
 126     m_metaInfo.clear();
 127     if (!item) {
 128         return info;
 129     }
 130     info.itemPreview = item->data(previewRole).toString();
 131     info.itemDownload = item->data(downloadRole).toString();
 132     info.itemId = item->data(idRole).toInt();
 133     info.itemName = item->text();
 134     info.infoUrl = item->data(infoUrl).toString();
 135     info.author = item->data(authorRole).toString();
 136     info.authorUrl = item->data(authorUrl).toString();
 137     info.license = item->data(licenseRole).toString();
 138     info.description = item->data(descriptionRole).toString();
 139
 140     m_metaInfo.insert("url", info.itemDownload);
 141
 142     QString extraInfoUrl = item->data(downloadRole).toString();
 143     if (!extraInfoUrl.isEmpty()) {
 144         KJob* resolveJob = KIO::storedGet( KUrl(extraInfoUrl), KIO::NoReload, KIO::HideProgressInfo );
 145         connect( resolveJob, SIGNAL( result( KJob* ) ), this, SLOT( slotParseResults( KJob* ) ) );
 146     }
 147     return info;
 148 }
 149
 150
 151 void ArchiveOrg::slotParseResults(KJob* job)
 152 {
 153     KIO::StoredTransferJob* storedQueryJob = static_cast<KIO::StoredTransferJob*>( job );
 154     QDomDocument doc;
 155     doc.setContent(storedQueryJob->data());
 156     QDomNodeList links = doc.elementsByTagName("a");
 157     QString html = QString("<style type=\"text/css\">tr.cellone {background-color: %1;}").arg(qApp->palette().alternateBase().color().name());
 158     html += "</style><table width=\"100%\" cellspacing=\"0\" cellpadding=\"2\">";
 159     QString link;
 160     int ct = 0;
 161     m_thumbsPath.clear();
 162     for (int i = 0; i < links.count(); i++) {
 163         QString href = links.at(i).toElement().attribute("href");
 164         if (href.endsWith(".thumbs/")) {
 165             // sub folder contains image thumbs, display one.
 166             m_thumbsPath = m_metaInfo.value("url") + "/" + href;
 167             KJob* thumbJob = KIO::storedGet( KUrl(m_thumbsPath), KIO::NoReload, KIO::HideProgressInfo );
 168             connect( thumbJob, SIGNAL( result( KJob* ) ), this, SLOT( slotParseThumbs( KJob* ) ) );
 169         }
 170         else if (!href.contains('/') && !href.endsWith(".xml")) {
 171             link = m_metaInfo.value("url") + "/" + href;
 172             ct++;
 173             if (ct %2 == 0) {
 174                 html += "<tr class=\"cellone\">";
 175             }
 176             else html += "<tr>";
 177             html += "<td>" + KUrl(link).fileName() + QString("</td><td><a href=\"%1\">preview</a></td><td><a href=\"%2\">download</a></td></tr>").arg(link + "_preview").arg(link);
 178         }
 179     }
 180     html += "</table>";
 181     emit gotMetaInfo(html);
 182 }
 183
 184
 185 bool ArchiveOrg::startItemPreview(QListWidgetItem *item)
 186 {
 187     if (!item) return false;
 188     QString url = item->data(previewRole).toString();
 189     if (url.isEmpty()) return false;
 190     if (m_previewProcess && m_previewProcess->state() != QProcess::NotRunning) {
 191         m_previewProcess->close();
 192     }
 193     m_previewProcess->start("ffplay", QStringList() << url << "-nodisp");
 194     return true;
 195 }
 196
 197
 198 void ArchiveOrg::stopItemPreview(QListWidgetItem *item)
 199 {
 200     if (m_previewProcess && m_previewProcess->state() != QProcess::NotRunning) {
 201         m_previewProcess->close();
 202     }
 203 }
 204
 205 QString ArchiveOrg::getExtension(QListWidgetItem *item)
 206 {
 207     if (!item) return QString();
 208     return QString("*.") + item->text().section('.', -1);
 209 }
 210
 211
 212 QString ArchiveOrg::getDefaultDownloadName(QListWidgetItem *item)
 213 {
 214     if (!item) return QString();
 215     return item->text();
 216 }
 217
 218 void ArchiveOrg::slotParseThumbs(KJob* job)
 219 {
 220     KIO::StoredTransferJob* storedQueryJob = static_cast<KIO::StoredTransferJob*>( job );
 221     QDomDocument doc;
 222     doc.setContent(storedQueryJob->data());
 223     QDomNodeList links = doc.elementsByTagName("a");
 224     if (links.isEmpty()) return;
 225     for (int i = 0; i < links.count(); i++) {
 226         QString href = links.at(i).toElement().attribute("href");
 227         if (!href.contains('/') && i >= links.count() / 2) {
 228             QString thumbUrl = m_thumbsPath + href;
 229             emit gotThumb(thumbUrl);
 230             break;
 231         }
 232     }
 233 }