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 #include "systeminfo.h"
  29
  30 ThemesInstallWindow::ThemesInstallWindow(QWidget *parent) : QDialog(parent)
  31 {
  32     ui.setupUi(this);
  33     ui.listThemes->setAlternatingRowColors(true);
  34     ui.listThemes->setSelectionMode(QAbstractItemView::ExtendedSelection);
  35     ui.listThemes->setSortingEnabled(true);
  36     ui.themePreview->clear();
  37     ui.themePreview->setText(tr("no theme selected"));
  38     ui.labelSize->setText(tr("no selection"));
  39     ui.listThemes->setLayoutDirection(Qt::LeftToRight);
  40     ui.themeDescription->setLayoutDirection(Qt::LeftToRight);
  41
  42     connect(ui.buttonCancel, SIGNAL(clicked()), this, SLOT(close()));
  43     connect(ui.buttonOk, SIGNAL(clicked()), this, SLOT(accept()));
  44     connect(ui.listThemes, SIGNAL(currentItemChanged(QListWidgetItem*, QListWidgetItem*)),
  45             this, SLOT(updateDetails(QListWidgetItem*, QListWidgetItem*)));
  46     connect(ui.listThemes, SIGNAL(itemSelectionChanged()), this, SLOT(updateSize()));
  47     connect(&igetter, SIGNAL(done(bool)), this, SLOT(updateImage(bool)));
  48 }
  49
  50 ThemesInstallWindow::~ThemesInstallWindow()
  51 {
  52     if(infocachedir!="")
  53         Utils::recursiveRmdir(infocachedir);
  54 }
  55
  56
  57 void ThemesInstallWindow::downloadInfo()
  58 {
  59     // try to get the current build information
  60     getter = new HttpGet(this);
  61
  62     themesInfo.open();
  63     qDebug() << "[Themes] downloading info to" << themesInfo.fileName();
  64     themesInfo.close();
  65
  66     QUrl url;
  67     url = QUrl(SystemInfo::value(SystemInfo::ThemesUrl).toString()
  68                 + "/rbutilqt.php?target="
  69                 + SystemInfo::value(SystemInfo::CurConfigureModel).toString());
  70     qDebug() << "[Themes] Info URL:" << url << "Query:" << url.queryItems();
  71     if(RbSettings::value(RbSettings::CacheOffline).toBool())
  72         getter->setCache(true);
  73     getter->setFile(&themesInfo);
  74
  75     connect(getter, SIGNAL(done(bool)), this, SLOT(downloadDone(bool)));
  76     connect(logger, SIGNAL(aborted()), getter, SLOT(abort()));
  77     getter->getFile(url);
  78 }
  79
  80
  81 void ThemesInstallWindow::downloadDone(int id, bool error)
  82 {
  83     downloadDone(error);
  84     qDebug() << "[Themes] Download" << id << "done, error:" << error;
  85 }
  86
  87
  88 void ThemesInstallWindow::downloadDone(bool error)
  89 {
  90     qDebug() << "[Themes] Download done, error:" << error;
  91
  92     disconnect(logger, SIGNAL(aborted()), getter, SLOT(abort()));
  93     disconnect(logger, SIGNAL(aborted()), this, SLOT(close()));
  94     themesInfo.open();
  95
  96     QSettings iniDetails(themesInfo.fileName(), QSettings::IniFormat, this);
  97     QStringList tl = iniDetails.childGroups();
  98     qDebug() << "[Themes] Theme site result:"
  99              << iniDetails.value("error/code").toString()
 100              << iniDetails.value("error/description").toString()
 101              << iniDetails.value("error/query").toString();
 102
 103     if(error) {
 104         logger->addItem(tr("Network error: %1.\n"
 105                 "Please check your network and proxy settings.")
 106                 .arg(getter->errorString()), LOGERROR);
 107         getter->abort();
 108         logger->setFinished();
 109         disconnect(getter, SIGNAL(done(bool)), this, SLOT(downloadDone(bool)));
 110         connect(logger, SIGNAL(closed()), this, SLOT(close()));
 111         return;
 112     }
 113     // handle possible error codes
 114     if(iniDetails.value("error/code").toInt() != 0 || !iniDetails.contains("error/code")) {
 115         qDebug() << "[Themes] Theme site returned an error:"
 116                  << iniDetails.value("error/code");
 117         logger->addItem(tr("the following error occured:\n%1")
 118             .arg(iniDetails.value("error/description", "unknown error").toString()), LOGERROR);
 119         logger->setFinished();
 120         connect(logger, SIGNAL(closed()), this, SLOT(close()));
 121         return;
 122     }
 123     logger->addItem(tr("done."), LOGOK);
 124     logger->setFinished();
 125     logger->close();
 126
 127     // setup list
 128     for(int i = 0; i < tl.size(); i++) {
 129         iniDetails.beginGroup(tl.at(i));
 130         // skip all themes without name field set (i.e. error section)
 131         if(iniDetails.value("name").toString().isEmpty()) {
 132             iniDetails.endGroup();
 133             continue;
 134         }
 135         qDebug() << "[Themes] adding to list:" << tl.at(i);
 136         // convert to unicode and replace HTML-specific entities
 137         QByteArray raw = iniDetails.value("name").toByteArray();
 138         QTextCodec* codec = QTextCodec::codecForHtml(raw);
 139         QString name = codec->toUnicode(raw);
 140         name.replace("&quot;", "\"").replace("&amp;", "&");
 141         name.replace("&lt;", "<").replace("&gt;", ">");
 142         QListWidgetItem *w = new QListWidgetItem;
 143         w->setData(Qt::DisplayRole, name.trimmed());
 144         w->setData(Qt::UserRole, tl.at(i));
 145         ui.listThemes->addItem(w);
 146
 147         iniDetails.endGroup();
 148     }
 149     // check if there's a themes "MOTD" available
 150     if(iniDetails.contains("status/msg")) {
 151         // check if there's a localized msg available
 152         QString lang = RbSettings::value(RbSettings::Language).toString().split("_").at(0);
 153         QString msg;
 154         if(iniDetails.contains("status/msg." + lang))
 155             msg = iniDetails.value("status/msg." + lang).toString();
 156         else
 157             msg = iniDetails.value("status/msg").toString();
 158         qDebug() << "[Themes] MOTD" << msg;
 159         if(!msg.isEmpty())
 160             QMessageBox::information(this, tr("Information"), msg);
 161     }
 162 }
 163
 164
 165 void ThemesInstallWindow::updateSize(void)
 166 {
 167     long size = 0;
 168     // sum up size for all selected themes
 169     QSettings iniDetails(themesInfo.fileName(), QSettings::IniFormat, this);
 170     int items = ui.listThemes->selectedItems().size();
 171     for(int i = 0; i < items; i++) {
 172         iniDetails.beginGroup(ui.listThemes->selectedItems()
 173                               .at(i)->data(Qt::UserRole).toString());
 174         size += iniDetails.value("size").toInt();
 175         iniDetails.endGroup();
 176     }
 177     ui.labelSize->setText(tr("Download size %L1 kiB (%n item(s))", "", items)
 178                              .arg((size + 512) / 1024));
 179 }
 180
 181
 182 void ThemesInstallWindow::updateDetails(QListWidgetItem* cur, QListWidgetItem* prev)
 183 {
 184     if(cur == prev)
 185         return;
 186
 187     QSettings iniDetails(themesInfo.fileName(), QSettings::IniFormat, this);
 188
 189     QCoreApplication::processEvents();
 190     ui.themeDescription->setText(tr("fetching details for %1")
 191         .arg(cur->data(Qt::DisplayRole).toString()));
 192     ui.themePreview->clear();
 193     ui.themePreview->setText(tr("fetching preview ..."));
 194     imgData.clear();
 195
 196     iniDetails.beginGroup(cur->data(Qt::UserRole).toString());
 197
 198     QUrl img, txt;
 199     txt = QUrl(QString(SystemInfo::value(SystemInfo::ThemesUrl).toString() + "/"
 200         + iniDetails.value("descriptionfile").toString()));
 201     img = QUrl(QString(SystemInfo::value(SystemInfo::ThemesUrl).toString() + "/"
 202         + iniDetails.value("image").toString()));
 203
 204     QString text;
 205     QTextCodec* codec = QTextCodec::codecForName("UTF-8");
 206     text = tr("<b>Author:</b> %1<hr/>").arg(codec->toUnicode(iniDetails
 207                     .value("author", tr("unknown")).toByteArray()));
 208     text += tr("<b>Version:</b> %1<hr/>").arg(codec->toUnicode(iniDetails
 209                     .value("version", tr("unknown")).toByteArray()));
 210     text += tr("<b>Description:</b> %1<hr/>").arg(codec->toUnicode(iniDetails
 211                     .value("about", tr("no description")).toByteArray()));
 212
 213     text.trimmed();
 214     text.replace("\n", "<br/>");
 215     ui.themeDescription->setHtml(text);
 216     iniDetails.endGroup();
 217
 218     igetter.abort();
 219     if(!RbSettings::value(RbSettings::CacheDisabled).toBool())
 220         igetter.setCache(true);
 221     else
 222     {
 223         if(infocachedir=="")
 224         {
 225             infocachedir = QDir::tempPath() + "rbutil-themeinfo";
 226             QDir d = QDir::temp();
 227             d.mkdir("rbutil-themeinfo");
 228         }
 229         igetter.setCache(infocachedir);
 230     }
 231
 232     igetter.getFile(img);
 233 }
 234
 235
 236 void ThemesInstallWindow::updateImage(bool error)
 237 {
 238     qDebug() << "[Themes] Updating image:"<< !error;
 239
 240     if(error) {
 241         ui.themePreview->clear();
 242         ui.themePreview->setText(tr("Retrieving theme preview failed.\n"
 243             "HTTP response code: %1").arg(igetter.httpResponse()));
 244         return;
 245     }
 246
 247     QPixmap p;
 248     if(!error) {
 249         imgData = igetter.readAll();
 250         if(imgData.isNull()) return;
 251         p.loadFromData(imgData);
 252         if(p.isNull()) {
 253             ui.themePreview->clear();
 254             ui.themePreview->setText(tr("no theme preview"));
 255         }
 256         else
 257             ui.themePreview->setPixmap(p);
 258     }
 259 }
 260
 261
 262 void ThemesInstallWindow::resizeEvent(QResizeEvent* e)
 263 {
 264     qDebug() << "[Themes]" << e;
 265
 266     QPixmap p, q;
 267     QSize img;
 268     img.setHeight(ui.themePreview->height());
 269     img.setWidth(ui.themePreview->width());
 270
 271     p.loadFromData(imgData);
 272     if(p.isNull()) return;
 273     q = p.scaled(img, Qt::KeepAspectRatio, Qt::SmoothTransformation);
 274     ui.themePreview->setScaledContents(false);
 275     ui.themePreview->setPixmap(p);
 276 }
 277
 278
 279
 280 void ThemesInstallWindow::show()
 281 {
 282     QDialog::show();
 283     logger = new ProgressLoggerGui(this);
 284     logger->show();
 285     logger->addItem(tr("getting themes information ..."), LOGINFO);
 286
 287     connect(logger, SIGNAL(aborted()), this, SLOT(close()));
 288
 289     downloadInfo();
 290
 291 }
 292
 293
 294 void ThemesInstallWindow::abort()
 295 {
 296     igetter.abort();
 297     logger->setFinished();
 298     this->close();
 299 }
 300
 301
 302 void ThemesInstallWindow::accept()
 303 {
 304     if(ui.listThemes->selectedItems().size() == 0) {
 305         this->close();
 306         return;
 307     }
 308     QStringList themes;
 309     QStringList names;
 310     QStringList version;
 311     QString zip;
 312     QSettings iniDetails(themesInfo.fileName(), QSettings::IniFormat, this);
 313     for(int i = 0; i < ui.listThemes->selectedItems().size(); i++) {
 314         iniDetails.beginGroup(ui.listThemes->selectedItems().at(i)->data(Qt::UserRole).toString());
 315         zip = SystemInfo::value(SystemInfo::ThemesUrl).toString()
 316                 + "/" + iniDetails.value("archive").toString();
 317         themes.append(zip);
 318         names.append("Theme: " +
 319                 ui.listThemes->selectedItems().at(i)->data(Qt::DisplayRole).toString());
 320         // if no version info is available use installation (current) date
 321         version.append(iniDetails.value("version",
 322                 QDate().currentDate().toString("yyyyMMdd")).toString());
 323         iniDetails.endGroup();
 324     }
 325     qDebug() << "[Themes] installing:" << themes;
 326
 327     logger = new ProgressLoggerGui(this);
 328     logger->show();
 329     QString mountPoint = RbSettings::value(RbSettings::Mountpoint).toString();
 330     qDebug() << "[Themes] mountpoint:" << mountPoint;
 331     // show dialog with error if mount point is wrong
 332     if(!QFileInfo(mountPoint).isDir()) {
 333         logger->addItem(tr("Mount point is wrong!"),LOGERROR);
 334         logger->setFinished();
 335         return;
 336     }
 337
 338     installer = new ZipInstaller(this);
 339     installer->setUrl(themes);
 340     installer->setLogSection(names);
 341     installer->setLogVersion(version);
 342     installer->setMountPoint(mountPoint);
 343     if(!RbSettings::value(RbSettings::CacheDisabled).toBool())
 344         installer->setCache(true);
 345
 346     connect(logger, SIGNAL(closed()), this, SLOT(close()));
 347     connect(installer, SIGNAL(logItem(QString, int)), logger, SLOT(addItem(QString, int)));
 348     connect(installer, SIGNAL(logProgress(int, int)), logger, SLOT(setProgress(int, int)));
 349     connect(installer, SIGNAL(done(bool)), logger, SLOT(setFinished()));
 350     connect(logger, SIGNAL(aborted()), installer, SLOT(abort()));
 351     installer->install();
 352
 353 }
 354