rbutil/rbutilqt/themesinstallwindow.cpp

   1 /***************************************************************************
   2  *             __________               __   ___.
   3  *   Open      \______   \ ____   ____ |  | _\_ |__   _______  ___
   4  *   Source     |       _//  _ \_/ ___\|  |/ /| __ \ /  _ \  \/  /
   5  *   Jukebox    |    |   (  <_> )  \___|    < | \_\ (  <_> > <  <
   6  *   Firmware   |____|_  /\____/ \___  >__|_ \|___  /\____/__/\_ \
   7  *                     \/            \/     \/    \/            \/
   8  *
   9  *   Copyright (C) 2007 by Dominik Riebeling
  10  *   $Id$
  11  *
  12  * All files in this archive are subject to the GNU General Public License.
  13  * See the file COPYING in the source tree root for full license agreement.
  14  *
  15  * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
  16  * KIND, either express or implied.
  17  *
  18  ****************************************************************************/
  19
  20 #include <QtGui>
  21
  22 #include "ui_themesinstallfrm.h"
  23 #include "themesinstallwindow.h"
  24 #include "zipinstaller.h"
  25 #include "progressloggergui.h"
  26 #include "utils.h"
  27 #include "rbsettings.h"
  28
  29 ThemesInstallWindow::ThemesInstallWindow(QWidget *parent) : QDialog(parent)
  30 {
  31     ui.setupUi(this);
  32     ui.listThemes->setAlternatingRowColors(true);
  33     ui.listThemes->setSelectionMode(QAbstractItemView::ExtendedSelection);
  34     ui.listThemes->setSortingEnabled(true);
  35     ui.themePreview->clear();
  36     ui.themePreview->setText(tr("no theme selected"));
  37     ui.labelSize->setText(tr("no selection"));
  38
  39     connect(ui.buttonCancel, SIGNAL(clicked()), this, SLOT(close()));
  40     connect(ui.buttonOk, SIGNAL(clicked()), this, SLOT(accept()));
  41     connect(ui.listThemes, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)),
  42             this, SLOT(updateDetails(QListWidgetItem*, QListWidgetItem*)));
  43     connect(ui.listThemes, SIGNAL(itemSelectionChanged()), this, SLOT(updateSize()));
  44     connect(&igetter, SIGNAL(done(bool)), this, SLOT(updateImage(bool)));
  45 }
  46
  47 ThemesInstallWindow::~ThemesInstallWindow()
  48 {
  49     if(infocachedir!="")
  50         recRmdir(infocachedir);
  51 }
  52
  53
  54 void ThemesInstallWindow::downloadInfo()
  55 {
  56     // try to get the current build information
  57     getter = new HttpGet(this);
  58
  59     themesInfo.open();
  60     qDebug() << "[Themes] downloading info to" << themesInfo.fileName();
  61     themesInfo.close();
  62
  63     QUrl url;
  64     url = QUrl(RbSettings::value(RbSettings::ThemesUrl).toString()
  65                 + "/rbutilqt.php?target="
  66                 + RbSettings::value(RbSettings::CurConfigureModel).toString());
  67     qDebug() << "[Themes] Info URL:" << url << "Query:" << url.queryItems();
  68     if(RbSettings::value(RbSettings::CacheOffline).toBool())
  69         getter->setCache(true);
  70     getter->setFile(&themesInfo);
  71
  72     connect(getter, SIGNAL(done(bool)), this, SLOT(downloadDone(bool)));
  73     connect(logger, SIGNAL(aborted()), getter, SLOT(abort()));
  74     getter->getFile(url);
  75 }
  76
  77
  78 void ThemesInstallWindow::downloadDone(int id, bool error)
  79 {
  80     downloadDone(error);
  81     qDebug() << "[Themes] Download" << id << "done, error:" << error;
  82 }
  83
  84
  85 void ThemesInstallWindow::downloadDone(bool error)
  86 {
  87     qDebug() << "[Themes] Download done, error:" << error;
  88
  89     disconnect(logger, SIGNAL(aborted()), getter, SLOT(abort()));
  90     disconnect(logger, SIGNAL(aborted()), this, SLOT(close()));
  91     themesInfo.open();
  92
  93     QSettings iniDetails(themesInfo.fileName(), QSettings::IniFormat, this);
  94     QStringList tl = iniDetails.childGroups();
  95     qDebug() << "[Themes] Theme site result:"
  96              << iniDetails.value("error/code").toString()
  97              << iniDetails.value("error/description").toString()
  98              << iniDetails.value("error/query").toString();
  99
 100     if(error) {
 101         logger->addItem(tr("Network error: %1.\n"
 102                 "Please check your network and proxy settings.")
 103                 .arg(getter->errorString()), LOGERROR);
 104         getter->abort();
 105         logger->setFinished();
 106         disconnect(getter, SIGNAL(done(bool)), this, SLOT(downloadDone(bool)));
 107         connect(logger, SIGNAL(closed()), this, SLOT(close()));
 108         return;
 109     }
 110     // handle possible error codes
 111     if(iniDetails.value("error/code").toInt() != 0 || !iniDetails.contains("error/code")) {
 112         qDebug() << "[Themes] Theme site returned an error:"
 113                  << iniDetails.value("error/code");
 114         logger->addItem(tr("the following error occured:\n%1")
 115             .arg(iniDetails.value("error/description", "unknown error").toString()), LOGERROR);
 116         logger->setFinished();
 117         connect(logger, SIGNAL(closed()), this, SLOT(close()));
 118         return;
 119     }
 120     logger->addItem(tr("done."), LOGOK);
 121     logger->setFinished();
 122     logger->close();
 123
 124     // setup list
 125     for(int i = 0; i < tl.size(); i++) {
 126         iniDetails.beginGroup(tl.at(i));
 127         // skip all themes without name field set (i.e. error section)
 128         if(iniDetails.value("name").toString().isEmpty()) {
 129             iniDetails.endGroup();
 130             continue;
 131         }
 132         qDebug() << "[Themes] adding to list:" << tl.at(i);
 133         // convert to unicode and replace HTML-specific entities
 134         QByteArray raw = iniDetails.value("name").toByteArray();
 135         QTextCodec* codec = QTextCodec::codecForHtml(raw);
 136         QString name = codec->toUnicode(raw);
 137         name.replace("&quot;", "\"").replace("&amp;", "&");
 138         name.replace("&lt;", "<").replace("&gt;", ">");
 139         QListWidgetItem *w = new QListWidgetItem;
 140         w->setData(Qt::DisplayRole, name.trimmed());
 141         w->setData(Qt::UserRole, tl.at(i));
 142         ui.listThemes->addItem(w);
 143
 144         iniDetails.endGroup();
 145     }
 146     // check if there's a themes "MOTD" available
 147     if(iniDetails.contains("status/msg")) {
 148         // check if there's a localized msg available
 149         QString lang = RbSettings::value(RbSettings::Language).toString().split("_").at(0);
 150         QString msg;
 151         if(iniDetails.contains("status/msg." + lang))
 152             msg = iniDetails.value("status/msg." + lang).toString();
 153         else
 154             msg = iniDetails.value("status/msg").toString();
 155         qDebug() << "[Themes] MOTD" << msg;
 156         if(!msg.isEmpty())
 157             QMessageBox::information(this, tr("Information"), msg);
 158     }
 159 }
 160
 161
 162 void ThemesInstallWindow::updateSize(void)
 163 {
 164     long size = 0;
 165     // sum up size for all selected themes
 166     QSettings iniDetails(themesInfo.fileName(), QSettings::IniFormat, this);
 167     int items = ui.listThemes->selectedItems().size();
 168     for(int i = 0; i < items; i++) {
 169         iniDetails.beginGroup(ui.listThemes->selectedItems()
 170                               .at(i)->data(Qt::UserRole).toString());
 171         size += iniDetails.value("size").toInt();
 172         iniDetails.endGroup();
 173     }
 174     ui.labelSize->setText(tr("Download size %L1 kiB (%n item(s))", "", items)
 175                              .arg((size + 512) / 1024));
 176 }
 177
 178
 179 void ThemesInstallWindow::updateDetails(QListWidgetItem* cur, QListWidgetItem* prev)
 180 {
 181     if(cur == prev)
 182         return;
 183
 184     QSettings iniDetails(themesInfo.fileName(), QSettings::IniFormat, this);
 185
 186     QCoreApplication::processEvents();
 187     ui.themeDescription->setText(tr("fetching details for %1")
 188         .arg(cur->data(Qt::DisplayRole).toString()));
 189     ui.themePreview->clear();
 190     ui.themePreview->setText(tr("fetching preview ..."));
 191     imgData.clear();
 192
 193     iniDetails.beginGroup(cur->data(Qt::UserRole).toString());
 194
 195     QUrl img, txt;
 196     txt = QUrl(QString(RbSettings::value(RbSettings::ThemesUrl).toString() + "/"
 197         + iniDetails.value("descriptionfile").toString()));
 198     img = QUrl(QString(RbSettings::value(RbSettings::ThemesUrl).toString() + "/"
 199         + iniDetails.value("image").toString()));
 200
 201     QString text;
 202     QTextCodec* codec = QTextCodec::codecForName("UTF-8");
 203     text = tr("<b>Author:</b> %1<hr/>").arg(codec->toUnicode(iniDetails
 204                     .value("author", tr("unknown")).toByteArray()));
 205     text += tr("<b>Version:</b> %1<hr/>").arg(codec->toUnicode(iniDetails
 206                     .value("version", tr("unknown")).toByteArray()));
 207     text += tr("<b>Description:</b> %1<hr/>").arg(codec->toUnicode(iniDetails
 208                     .value("about", tr("no description")).toByteArray()));
 209
 210     text.trimmed();
 211     text.replace("\n", "<br/>");
 212     ui.themeDescription->setHtml(text);
 213     iniDetails.endGroup();
 214
 215     igetter.abort();
 216     if(!RbSettings::value(RbSettings::CacheDisabled).toBool())
 217         igetter.setCache(true);
 218     else
 219     {
 220         if(infocachedir=="")
 221         {
 222             infocachedir = QDir::tempPath() + "rbutil-themeinfo";
 223             QDir d = QDir::temp();
 224             d.mkdir("rbutil-themeinfo");
 225         }
 226         igetter.setCache(infocachedir);
 227     }
 228
 229     igetter.getFile(img);
 230 }
 231
 232
 233 void ThemesInstallWindow::updateImage(bool error)
 234 {
 235     qDebug() << "[Themes] Updating image:"<< !error;
 236
 237     if(error) {
 238         ui.themePreview->clear();
 239         ui.themePreview->setText(tr("Retrieving theme preview failed.\n"
 240             "HTTP response code: %1").arg(igetter.httpResponse()));
 241         return;
 242     }
 243
 244     QPixmap p;
 245     if(!error) {
 246         imgData = igetter.readAll();
 247         if(imgData.isNull()) return;
 248         p.loadFromData(imgData);
 249         if(p.isNull()) {
 250             ui.themePreview->clear();
 251             ui.themePreview->setText(tr("no theme preview"));
 252         }
 253         else
 254             ui.themePreview->setPixmap(p);
 255     }
 256 }
 257
 258
 259 void ThemesInstallWindow::resizeEvent(QResizeEvent* e)
 260 {
 261     qDebug() << "[Themes]" << e;
 262
 263     QPixmap p, q;
 264     QSize img;
 265     img.setHeight(ui.themePreview->height());
 266     img.setWidth(ui.themePreview->width());
 267
 268     p.loadFromData(imgData);
 269     if(p.isNull()) return;
 270     q = p.scaled(img, Qt::KeepAspectRatio, Qt::SmoothTransformation);
 271     ui.themePreview->setScaledContents(false);
 272     ui.themePreview->setPixmap(p);
 273 }
 274
 275
 276
 277 void ThemesInstallWindow::show()
 278 {
 279     QDialog::show();
 280     logger = new ProgressLoggerGui(this);
 281     logger->show();
 282     logger->addItem(tr("getting themes information ..."), LOGINFO);
 283
 284     connect(logger, SIGNAL(aborted()), this, SLOT(close()));
 285
 286     downloadInfo();
 287
 288 }
 289
 290
 291 void ThemesInstallWindow::abort()
 292 {
 293     igetter.abort();
 294     logger->setFinished();
 295     this->close();
 296 }
 297
 298
 299 void ThemesInstallWindow::accept()
 300 {
 301     if(ui.listThemes->selectedItems().size() == 0) {
 302         this->close();
 303         return;
 304     }
 305     QStringList themes;
 306     QStringList names;
 307     QStringList version;
 308     QString zip;
 309     QSettings iniDetails(themesInfo.fileName(), QSettings::IniFormat, this);
 310     for(int i = 0; i < ui.listThemes->selectedItems().size(); i++) {
 311         iniDetails.beginGroup(ui.listThemes->selectedItems().at(i)->data(Qt::UserRole).toString());
 312         zip = RbSettings::value(RbSettings::ThemesUrl).toString()
 313                 + "/" + iniDetails.value("archive").toString();
 314         themes.append(zip);
 315         names.append("Theme: " +
 316                 ui.listThemes->selectedItems().at(i)->data(Qt::DisplayRole).toString());
 317         // if no version info is available use installation (current) date
 318         version.append(iniDetails.value("version",
 319                 QDate().currentDate().toString("yyyyMMdd")).toString());
 320         iniDetails.endGroup();
 321     }
 322     qDebug() << "[Themes] installing:" << themes;
 323
 324     logger = new ProgressLoggerGui(this);
 325     logger->show();
 326     QString mountPoint = RbSettings::value(RbSettings::Mountpoint).toString();
 327     qDebug() << "[Themes] mountpoint:" << mountPoint;
 328     // show dialog with error if mount point is wrong
 329     if(!QFileInfo(mountPoint).isDir()) {
 330         logger->addItem(tr("Mount point is wrong!"),LOGERROR);
 331         logger->setFinished();
 332         return;
 333     }
 334
 335     installer = new ZipInstaller(this);
 336     installer->setUrl(themes);
 337     installer->setLogSection(names);
 338     installer->setLogVersion(version);
 339     installer->setMountPoint(mountPoint);
 340     if(!RbSettings::value(RbSettings::CacheDisabled).toBool())
 341         installer->setCache(true);
 342
 343     connect(logger, SIGNAL(closed()), this, SLOT(close()));
 344     connect(installer, SIGNAL(logItem(QString, int)), logger, SLOT(addItem(QString, int)));
 345     connect(installer, SIGNAL(logProgress(int, int)), logger, SLOT(setProgress(int, int)));
 346     connect(installer, SIGNAL(done(bool)), logger, SLOT(setFinished()));
 347     connect(logger, SIGNAL(aborted()), installer, SLOT(abort()));
 348     installer->install();
 349
 350 }
 351