]> git.sesse.net Git - kdenlive/blob - src/utils/freesound.cpp
Asynchronous download for online resource widget (still some bugs)
[kdenlive] / src / utils / freesound.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 "freesound.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 FreeSound::FreeSound(QListWidget *listWidget, QObject *parent) :
40         AbstractService(listWidget, parent),
41         m_previewProcess(new QProcess)
42 {
43     serviceType = FREESOUND;
44     hasPreview = true;
45     hasMetadata = true;
46 }
47
48 FreeSound::~FreeSound()
49 {
50     if (m_previewProcess) delete m_previewProcess;
51 }
52
53 void FreeSound::slotStartSearch(const QString searchText, int page)
54 {
55     m_listWidget->clear();
56     QString uri = "http://www.freesound.org/api/sounds/search/?q=";
57     uri.append(searchText);
58     if (page > 1) uri.append("&p=" + QString::number(page));
59     uri.append("&api_key=a1772c8236e945a4bee30a64058dabf8");
60
61     KJob* resolveJob = KIO::storedGet( KUrl(uri), KIO::NoReload, KIO::HideProgressInfo );
62     connect( resolveJob, SIGNAL( result( KJob* ) ), this, SLOT( slotShowResults( KJob* ) ) );
63 }
64
65
66 void FreeSound::slotShowResults(KJob* job)
67 {
68     if (job->error() != 0 ) return;
69     m_listWidget->blockSignals(true);
70     KIO::StoredTransferJob* storedQueryJob = static_cast<KIO::StoredTransferJob*>( job );
71 #ifdef USE_QJSON
72     QJson::Parser parser;
73     bool ok;
74     //kDebug()<<"// GOT RESULT: "<<m_result;
75     QVariant data = parser.parse(storedQueryJob->data(), &ok);
76     QVariant sounds;
77     if (data.canConvert(QVariant::Map)) {
78         QMap <QString, QVariant> map = data.toMap();
79         QMap<QString, QVariant>::const_iterator i = map.constBegin();
80         while (i != map.constEnd()) {
81             if (i.key() == "num_results") emit searchInfo(i18np("Found %1 result", "Found %1 results", i.value().toInt()));
82             else if (i.key() == "num_pages") {
83                 emit maxPages(i.value().toInt());
84             }
85             else if (i.key() == "sounds") {
86                 sounds = i.value();
87                 if (sounds.canConvert(QVariant::List)) {
88                     QList <QVariant> soundsList = sounds.toList();
89                     for (int j = 0; j < soundsList.count(); j++) {
90                         if (soundsList.at(j).canConvert(QVariant::Map)) {
91                             QMap <QString, QVariant> soundmap = soundsList.at(j).toMap();
92                             if (soundmap.contains("original_filename")) {
93                                 QListWidgetItem *item = new   QListWidgetItem(soundmap.value("original_filename").toString(), m_listWidget);
94                                 item->setData(imageRole, soundmap.value("waveform_m").toString());
95                                 item->setData(infoUrl, soundmap.value("url").toString());
96                                 item->setData(infoData, soundmap.value("ref").toString() + "?api_key=a1772c8236e945a4bee30a64058dabf8");
97                                 item->setData(durationRole, soundmap.value("duration").toDouble());
98                                 item->setData(idRole, soundmap.value("id").toInt());
99                                 item->setData(previewRole, soundmap.value("preview-hq-mp3").toString());
100                                 item->setData(downloadRole, soundmap.value("serve").toString() + "?api_key=a1772c8236e945a4bee30a64058dabf8");
101                                 QVariant authorInfo = soundmap.value("user");
102                                 if (authorInfo.canConvert(QVariant::Map)) {
103                                     QMap <QString, QVariant> authorMap = authorInfo.toMap();
104                                     if (authorMap.contains("username")) {
105                                         item->setData(authorRole, authorMap.value("username").toString());
106                                         item->setData(authorUrl, authorMap.value("url").toString());
107                                     }
108                                 }
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 FreeSound::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     m_metaInfo.insert(i18n("Duration"), item->data(durationRole).toString());
138     info.license = item->data(licenseRole).toString();
139     info.description = item->data(descriptionRole).toString();
140     
141     QString extraInfoUrl = item->data(infoData).toString();
142     if (!extraInfoUrl.isEmpty()) {
143         KJob* resolveJob = KIO::storedGet( KUrl(extraInfoUrl), KIO::NoReload, KIO::HideProgressInfo );
144         connect( resolveJob, SIGNAL( result( KJob* ) ), this, SLOT( slotParseResults( KJob* ) ) );
145     }
146     emit gotThumb(item->data(imageRole).toString());
147     return info;
148 }
149
150
151 void FreeSound::slotParseResults(KJob* job)
152 {
153 #ifdef USE_QJSON
154     KIO::StoredTransferJob* storedQueryJob = static_cast<KIO::StoredTransferJob*>( job );
155     QJson::Parser parser;
156     bool ok;
157     int ct = 0;
158     QString html = QString("<style type=\"text/css\">tr.cellone {background-color: %1;}</style>").arg(qApp->palette().alternateBase().color().name());
159     
160     QVariant data = parser.parse(storedQueryJob->data(), &ok);
161     if (data.canConvert(QVariant::Map)) {
162         QMap <QString, QVariant> infos = data.toMap();
163         //if (m_currentId != infos.value("id").toInt()) return;
164         
165         html += "<table width=\"100%\" cellspacing=\"0\" cellpadding=\"2\">";
166     
167         if (m_metaInfo.contains(i18n("Duration"))) {
168             ct++;
169             if (ct %2 == 0) {
170                 html += "<tr class=\"cellone\">";
171             }
172             else html += "<tr>";
173             html += "<td>" + i18n("Duration") + "</td><td>" + m_metaInfo.value(i18n("Duration")) + "</td></tr>";
174             m_metaInfo.remove(i18n("Duration"));
175         }
176         
177         if (infos.contains("samplerate")) {
178             ct++;
179             if (ct %2 == 0) {
180                 html += "<tr class=\"cellone\">";
181             }
182             else html += "<tr>";
183             html += "<td>" + i18n("Samplerate") + "</td><td>" + QString::number(infos.value("samplerate").toDouble()) + "</td></tr>";
184         }
185         if (infos.contains("channels")) {
186             ct++;
187             if (ct %2 == 0) {
188                 html += "<tr class=\"cellone\">";
189             }
190             else html += "<tr>";
191             html += "<td>" + i18n("Channels") + "</td><td>" + QString::number(infos.value("channels").toInt()) + "</td></tr>";
192         }
193         if (infos.contains("filesize")) {
194             ct++;
195             if (ct %2 == 0) {
196                 html += "<tr class=\"cellone\">";
197             }
198             else html += "<tr>";
199             KIO::filesize_t fSize = infos.value("filesize").toDouble();
200             html += "<td>" + i18n("File size") + "</td><td>" + KIO::convertSize(fSize) + "</td></tr>";
201         }
202         if (infos.contains("license")) {
203             m_metaInfo.insert("license", infos.value("license").toString());
204         }
205         html +="</table>";
206         if (infos.contains("description")) {
207             html += "<em>" + infos.value("description").toString() + "</em>";
208         }
209     }
210     emit gotMetaInfo(html);
211     emit gotMetaInfo(m_metaInfo);
212 #endif    
213 }
214
215
216 bool FreeSound::startItemPreview(QListWidgetItem *item)
217 {    
218     if (!item) return false;
219     QString url = item->data(previewRole).toString();
220     if (url.isEmpty()) return false;
221     if (m_previewProcess && m_previewProcess->state() != QProcess::NotRunning) {
222         m_previewProcess->close();
223     }
224     m_previewProcess->start("ffplay", QStringList() << url << "-nodisp");
225     return true;
226 }
227
228
229 void FreeSound::stopItemPreview(QListWidgetItem *item)
230 {    
231     if (m_previewProcess && m_previewProcess->state() != QProcess::NotRunning) {
232         m_previewProcess->close();
233     }
234 }
235
236 QString FreeSound::getExtension(QListWidgetItem *item)
237 {
238     if (!item) return QString();
239     return QString("*.") + item->text().section('.', -1);
240 }
241
242
243 QString FreeSound::getDefaultDownloadName(QListWidgetItem *item)
244 {
245     if (!item) return QString();
246     return item->text();
247 }