src/panels/places/placesitem.cpp

   1 /***************************************************************************
   2  *   Copyright (C) 2012 by Peter Penz <peter.penz19@gmail.com>             *
   3  *                                                                         *
   4  *   Based on KFilePlacesItem from kdelibs:                                *
   5  *   Copyright (C) 2007 Kevin Ottens <ervin@kde.org>                       *
   6  *                                                                         *
   7  *   This program is free software; you can redistribute it and/or modify  *
   8  *   it under the terms of the GNU General Public License as published by  *
   9  *   the Free Software Foundation; either version 2 of the License, or     *
  10  *   (at your option) any later version.                                   *
  11  *                                                                         *
  12  *   This program is distributed in the hope that it will be useful,       *
  13  *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
  14  *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
  15  *   GNU General Public License for more details.                          *
  16  *                                                                         *
  17  *   You should have received a copy of the GNU General Public License     *
  18  *   along with this program; if not, write to the                         *
  19  *   Free Software Foundation, Inc.,                                       *
  20  *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
  21  ***************************************************************************/
  22
  23 #include "placesitem.h"
  24
  25 #include <KBookmarkManager>
  26 #include "dolphindebug.h"
  27 #include <KDirLister>
  28 #include <KLocalizedString>
  29 #include "placesitemsignalhandler.h"
  30 #include <QDateTime>
  31 #include <Solid/Block>
  32
  33 PlacesItem::PlacesItem(const KBookmark& bookmark, PlacesItem* parent) :
  34     KStandardItem(parent),
  35     m_device(),
  36     m_access(),
  37     m_volume(),
  38     m_disc(),
  39     m_mtp(),
  40     m_signalHandler(nullptr),
  41     m_trashDirLister(nullptr),
  42     m_bookmark()
  43 {
  44     m_signalHandler = new PlacesItemSignalHandler(this);
  45     setBookmark(bookmark);
  46 }
  47
  48 PlacesItem::~PlacesItem()
  49 {
  50     delete m_signalHandler;
  51     delete m_trashDirLister;
  52 }
  53
  54 void PlacesItem::setUrl(const QUrl &url)
  55 {
  56     // The default check in KStandardItem::setDataValue()
  57     // for equal values does not work with a custom value
  58     // like QUrl. Hence do a manual check to prevent that
  59     // setting an equal URL results in an itemsChanged()
  60     // signal.
  61     if (dataValue("url").toUrl() != url) {
  62         delete m_trashDirLister;
  63         if (url.scheme() == QLatin1String("trash")) {
  64             // The trash icon must always be updated dependent on whether
  65             // the trash is empty or not. We use a KDirLister that automatically
  66             // watches for changes if the number of items has been changed.
  67             // The update of the icon is handled in onTrashDirListerCompleted().
  68             m_trashDirLister = new KDirLister();
  69             m_trashDirLister->setAutoErrorHandlingEnabled(false, nullptr);
  70             m_trashDirLister->setDelayedMimeTypes(true);
  71             QObject::connect(m_trashDirLister.data(), static_cast<void(KDirLister::*)()>(&KDirLister::completed),
  72                              m_signalHandler.data(), &PlacesItemSignalHandler::onTrashDirListerCompleted);
  73             m_trashDirLister->openUrl(url);
  74         }
  75
  76         setDataValue("url", url);
  77     }
  78 }
  79
  80 QUrl PlacesItem::url() const
  81 {
  82     return dataValue("url").toUrl();
  83 }
  84
  85 void PlacesItem::setUdi(const QString& udi)
  86 {
  87     setDataValue("udi", udi);
  88 }
  89
  90 QString PlacesItem::udi() const
  91 {
  92     return dataValue("udi").toString();
  93 }
  94
  95 void PlacesItem::setHidden(bool hidden)
  96 {
  97     setDataValue("isHidden", hidden);
  98 }
  99
 100 bool PlacesItem::isHidden() const
 101 {
 102     return dataValue("isHidden").toBool();
 103 }
 104
 105 void PlacesItem::setSystemItem(bool isSystemItem)
 106 {
 107     setDataValue("isSystemItem", isSystemItem);
 108 }
 109
 110 bool PlacesItem::isSystemItem() const
 111 {
 112     return dataValue("isSystemItem").toBool();
 113 }
 114
 115 Solid::Device PlacesItem::device() const
 116 {
 117     return m_device;
 118 }
 119
 120 void PlacesItem::setBookmark(const KBookmark& bookmark)
 121 {
 122     if (bookmark == m_bookmark) {
 123         return;
 124     }
 125
 126     m_bookmark = bookmark;
 127
 128     delete m_access;
 129     delete m_volume;
 130     delete m_disc;
 131     delete m_mtp;
 132
 133     const QString udi = bookmark.metaDataItem(QStringLiteral("UDI"));
 134     if (udi.isEmpty()) {
 135         setIcon(bookmark.icon());
 136         setText(i18nc("KFile System Bookmarks", bookmark.text().toUtf8().constData()));
 137         setUrl(bookmark.url());
 138         setSystemItem(bookmark.metaDataItem(QStringLiteral("isSystemItem")) == QLatin1String("true"));
 139     } else {
 140         initializeDevice(udi);
 141     }
 142
 143     setHidden(bookmark.metaDataItem(QStringLiteral("IsHidden")) == QLatin1String("true"));
 144 }
 145
 146 KBookmark PlacesItem::bookmark() const
 147 {
 148     return m_bookmark;
 149 }
 150
 151 bool PlacesItem::storageSetupNeeded() const
 152 {
 153     return m_access ? !m_access->isAccessible() : false;
 154 }
 155
 156 bool PlacesItem::isSearchOrTimelineUrl() const
 157 {
 158     const QString urlScheme = url().scheme();
 159     return (urlScheme.contains("search") || urlScheme.contains("timeline"));
 160 }
 161
 162 void PlacesItem::onDataValueChanged(const QByteArray& role,
 163                                     const QVariant& current,
 164                                     const QVariant& previous)
 165 {
 166     Q_UNUSED(current);
 167     Q_UNUSED(previous);
 168
 169     if (!m_bookmark.isNull()) {
 170         updateBookmarkForRole(role);
 171     }
 172 }
 173
 174 void PlacesItem::onDataChanged(const QHash<QByteArray, QVariant>& current,
 175                                const QHash<QByteArray, QVariant>& previous)
 176 {
 177     Q_UNUSED(previous);
 178
 179     if (!m_bookmark.isNull()) {
 180         QHashIterator<QByteArray, QVariant> it(current);
 181         while (it.hasNext()) {
 182             it.next();
 183             updateBookmarkForRole(it.key());
 184         }
 185     }
 186 }
 187
 188 void PlacesItem::initializeDevice(const QString& udi)
 189 {
 190     m_device = Solid::Device(udi);
 191     if (!m_device.isValid()) {
 192         return;
 193     }
 194
 195     m_access = m_device.as<Solid::StorageAccess>();
 196     m_volume = m_device.as<Solid::StorageVolume>();
 197     m_disc = m_device.as<Solid::OpticalDisc>();
 198     m_mtp = m_device.as<Solid::PortableMediaPlayer>();
 199
 200     setText(m_device.description());
 201     setIcon(m_device.icon());
 202     setIconOverlays(m_device.emblems());
 203     setUdi(udi);
 204
 205     if (m_access) {
 206         setUrl(QUrl::fromLocalFile(m_access->filePath()));
 207         QObject::connect(m_access.data(), &Solid::StorageAccess::accessibilityChanged,
 208                          m_signalHandler.data(), &PlacesItemSignalHandler::onAccessibilityChanged);
 209         QObject::connect(m_access.data(), &Solid::StorageAccess::teardownRequested,
 210                          m_signalHandler.data(), &PlacesItemSignalHandler::onTearDownRequested);
 211     } else if (m_disc && (m_disc->availableContent() & Solid::OpticalDisc::Audio) != 0) {
 212         Solid::Block *block = m_device.as<Solid::Block>();
 213         if (block) {
 214             const QString device = block->device();
 215             setUrl(QUrl(QStringLiteral("audiocd:/?device=%1").arg(device)));
 216         } else {
 217             setUrl(QUrl(QStringLiteral("audiocd:/")));
 218         }
 219     } else if (m_mtp) {
 220         setUrl(QUrl(QStringLiteral("mtp:udi=%1").arg(m_device.udi())));
 221     }
 222 }
 223
 224 void PlacesItem::onAccessibilityChanged()
 225 {
 226     setIconOverlays(m_device.emblems());
 227     setUrl(QUrl::fromLocalFile(m_access->filePath()));
 228 }
 229
 230 void PlacesItem::onTrashDirListerCompleted()
 231 {
 232     Q_ASSERT(url().scheme() == QLatin1String("trash"));
 233
 234     const bool isTrashEmpty = m_trashDirLister->items().isEmpty();
 235     setIcon(isTrashEmpty ? QStringLiteral("user-trash") : QStringLiteral("user-trash-full"));
 236 }
 237
 238 void PlacesItem::updateBookmarkForRole(const QByteArray& role)
 239 {
 240     Q_ASSERT(!m_bookmark.isNull());
 241     if (role == "iconName") {
 242         m_bookmark.setIcon(icon());
 243     } else if (role == "text") {
 244         // Only store the text in the KBookmark if it is not the translation of
 245         // the current text. This makes sure that the text is re-translated if
 246         // the user chooses another language, or the translation itself changes.
 247         //
 248         // NOTE: It is important to use "KFile System Bookmarks" as context
 249         // (see PlacesItemModel::createSystemBookmarks()).
 250         if (text() != i18nc("KFile System Bookmarks", m_bookmark.text().toUtf8().data())) {
 251             m_bookmark.setFullText(text());
 252         }
 253     } else if (role == "url") {
 254         m_bookmark.setUrl(url());
 255     } else if (role == "udi") {
 256         m_bookmark.setMetaDataItem(QStringLiteral("UDI"), udi());
 257     } else if (role == "isSystemItem") {
 258         m_bookmark.setMetaDataItem(QStringLiteral("isSystemItem"), isSystemItem() ? QStringLiteral("true") : QStringLiteral("false"));
 259     } else if (role == "isHidden") {
 260         m_bookmark.setMetaDataItem(QStringLiteral("IsHidden"), isHidden() ? QStringLiteral("true") : QStringLiteral("false"));
 261     }
 262 }
 263
 264 QString PlacesItem::generateNewId()
 265 {
 266     // The ID-generation must be different as done in KFilePlacesItem from kdelibs
 267     // to prevent identical IDs, because 'count' is of course not shared. We append a
 268     // " (V2)" to indicate that the ID has been generated by
 269     // a new version of the places view.
 270     static int count = 0;
 271     return QString::number(QDateTime::currentDateTimeUtc().toTime_t()) +
 272             '/' + QString::number(count++) + " (V2)";
 273 }
 274
 275 PlacesItemSignalHandler *PlacesItem::signalHandler() const
 276 {
 277     return m_signalHandler.data();
 278 }