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(0),
  41     m_trashDirLister(0),
  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").value<QUrl>() != 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, 0);
  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").value<QUrl>();
  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
 134     const QString udi = bookmark.metaDataItem("UDI");
 135     if (udi.isEmpty()) {
 136         setIcon(bookmark.icon());
 137         setText(i18nc("KFile System Bookmarks", bookmark.text().toUtf8().constData()));
 138         setUrl(bookmark.url());
 139     } else {
 140         initializeDevice(udi);
 141     }
 142
 143     const GroupType type = groupType();
 144     if (icon().isEmpty()) {
 145         switch (type) {
 146         case RecentlySavedType: setIcon("chronometer"); break;
 147         case SearchForType:     setIcon("system-search"); break;
 148         case PlacesType:
 149         default:                setIcon("folder");
 150         }
 151
 152     }
 153
 154     switch (type) {
 155     case PlacesType:        setGroup(i18nc("@item", "Places")); break;
 156     case RecentlySavedType: setGroup(i18nc("@item", "Recently Saved")); break;
 157     case SearchForType:     setGroup(i18nc("@item", "Search For")); break;
 158     case DevicesType:       setGroup(i18nc("@item", "Devices")); break;
 159     default:                Q_ASSERT(false); break;
 160     }
 161
 162     setHidden(bookmark.metaDataItem("IsHidden") == QLatin1String("true"));
 163 }
 164
 165 KBookmark PlacesItem::bookmark() const
 166 {
 167     return m_bookmark;
 168 }
 169
 170 PlacesItem::GroupType PlacesItem::groupType() const
 171 {
 172     if (udi().isEmpty()) {
 173         const QString protocol = url().scheme();
 174         if (protocol == QLatin1String("timeline")) {
 175             return RecentlySavedType;
 176         }
 177
 178         if (protocol.contains(QLatin1String("search"))) {
 179             return SearchForType;
 180         }
 181
 182         if (protocol == QLatin1String("bluetooth") || protocol == QLatin1String("obexftp") || protocol == QLatin1String("kdeconnect")) {
 183             return DevicesType;
 184         }
 185
 186         return PlacesType;
 187     }
 188
 189     return DevicesType;
 190 }
 191
 192 bool PlacesItem::storageSetupNeeded() const
 193 {
 194     return m_access ? !m_access->isAccessible() : false;
 195 }
 196
 197 KBookmark PlacesItem::createBookmark(KBookmarkManager* manager,
 198                                      const QString& text,
 199                                      const QUrl& url,
 200                                      const QString& iconName)
 201 {
 202     KBookmarkGroup root = manager->root();
 203     if (root.isNull()) {
 204         return KBookmark();
 205     }
 206
 207     KBookmark bookmark = root.addBookmark(text, url, iconName);
 208     bookmark.setFullText(text);
 209     bookmark.setMetaDataItem("ID", generateNewId());
 210
 211     return bookmark;
 212 }
 213
 214 KBookmark PlacesItem::createDeviceBookmark(KBookmarkManager* manager,
 215                                            const QString& udi)
 216 {
 217     KBookmarkGroup root = manager->root();
 218     if (root.isNull()) {
 219         return KBookmark();
 220     }
 221
 222     KBookmark bookmark = root.createNewSeparator();
 223     bookmark.setMetaDataItem("UDI", udi);
 224     bookmark.setMetaDataItem("isSystemItem", "true");
 225     return bookmark;
 226 }
 227
 228 void PlacesItem::onDataValueChanged(const QByteArray& role,
 229                                     const QVariant& current,
 230                                     const QVariant& previous)
 231 {
 232     Q_UNUSED(current);
 233     Q_UNUSED(previous);
 234
 235     if (!m_bookmark.isNull()) {
 236         updateBookmarkForRole(role);
 237     }
 238 }
 239
 240 void PlacesItem::onDataChanged(const QHash<QByteArray, QVariant>& current,
 241                                const QHash<QByteArray, QVariant>& previous)
 242 {
 243     Q_UNUSED(previous);
 244
 245     if (!m_bookmark.isNull()) {
 246         QHashIterator<QByteArray, QVariant> it(current);
 247         while (it.hasNext()) {
 248             it.next();
 249             updateBookmarkForRole(it.key());
 250         }
 251     }
 252 }
 253
 254 void PlacesItem::initializeDevice(const QString& udi)
 255 {
 256     m_device = Solid::Device(udi);
 257     if (!m_device.isValid()) {
 258         return;
 259     }
 260
 261     m_access = m_device.as<Solid::StorageAccess>();
 262     m_volume = m_device.as<Solid::StorageVolume>();
 263     m_disc = m_device.as<Solid::OpticalDisc>();
 264     m_mtp = m_device.as<Solid::PortableMediaPlayer>();
 265
 266     setText(m_device.description());
 267     setIcon(m_device.icon());
 268     setIconOverlays(m_device.emblems());
 269     setUdi(udi);
 270
 271     if (m_access) {
 272         setUrl(QUrl::fromLocalFile(m_access->filePath()));
 273         QObject::connect(m_access.data(), SIGNAL(accessibilityChanged(bool,QString)),
 274                          m_signalHandler.data(), SLOT(onAccessibilityChanged()));
 275     } else if (m_disc && (m_disc->availableContent() & Solid::OpticalDisc::Audio) != 0) {
 276         Solid::Block *block = m_device.as<Solid::Block>();
 277         if (block) {
 278             const QString device = block->device();
 279             setUrl(QStringLiteral("audiocd:/?device=%1").arg(device));
 280         } else {
 281             setUrl(QStringLiteral("audiocd:/"));
 282         }
 283     } else if (m_mtp) {
 284         setUrl(QStringLiteral("mtp:udi=%1").arg(m_device.udi()));
 285     }
 286 }
 287
 288 void PlacesItem::onAccessibilityChanged()
 289 {
 290     setIconOverlays(m_device.emblems());
 291     setUrl(QUrl::fromLocalFile(m_access->filePath()));
 292 }
 293
 294 void PlacesItem::onTrashDirListerCompleted()
 295 {
 296     Q_ASSERT(url().scheme() == QLatin1String("trash"));
 297
 298     const bool isTrashEmpty = m_trashDirLister->items().isEmpty();
 299     setIcon(isTrashEmpty ? "user-trash" : "user-trash-full");
 300 }
 301
 302 void PlacesItem::updateBookmarkForRole(const QByteArray& role)
 303 {
 304     Q_ASSERT(!m_bookmark.isNull());
 305     if (role == "iconName") {
 306         m_bookmark.setIcon(icon());
 307     } else if (role == "text") {
 308         // Only store the text in the KBookmark if it is not the translation of
 309         // the current text. This makes sure that the text is re-translated if
 310         // the user chooses another language, or the translation itself changes.
 311         //
 312         // NOTE: It is important to use "KFile System Bookmarks" as context
 313         // (see PlacesItemModel::createSystemBookmarks()).
 314         if (text() != i18nc("KFile System Bookmarks", m_bookmark.text().toUtf8().data())) {
 315             m_bookmark.setFullText(text());
 316         }
 317     } else if (role == "url") {
 318         m_bookmark.setUrl(url());
 319     } else if (role == "udi)") {
 320         m_bookmark.setMetaDataItem("UDI", udi());
 321     } else if (role == "isSystemItem") {
 322         m_bookmark.setMetaDataItem("isSystemItem", isSystemItem() ? "true" : "false");
 323     } else if (role == "isHidden") {
 324         m_bookmark.setMetaDataItem("IsHidden", isHidden() ? "true" : "false");
 325     }
 326 }
 327
 328 QString PlacesItem::generateNewId()
 329 {
 330     // The ID-generation must be different as done in KFilePlacesItem from kdelibs
 331     // to prevent identical IDs, because 'count' is of course not shared. We append a
 332     // " (V2)" to indicate that the ID has been generated by
 333     // a new version of the places view.
 334     static int count = 0;
 335     return QString::number(QDateTime::currentDateTime().toTime_t()) +
 336             '/' + QString::number(count++) + " (V2)";
 337 }