]> cloud.milkyroute.net Git - dolphin.git/blobdiff - src/panels/places/placesitemmodel.cpp
Add Flatpak patches to Dolphin depending on CMake definition
[dolphin.git] / src / panels / places / placesitemmodel.cpp
index 0d8ac6981def9a3a68d1d7fa6fde98cd885b160b..3da6f7e1f88595723006b485b0d31ca6de765e27 100644 (file)
-/***************************************************************************
- *   Copyright (C) 2012 by Peter Penz <peter.penz19@gmail.com>             *
- *                                                                         *
- *   Based on KFilePlacesModel from kdelibs:                               *
- *   Copyright (C) 2007 Kevin Ottens <ervin@kde.org>                       *
- *   Copyright (C) 2007 David Faure <faure@kde.org>                        *
- *                                                                         *
- *   This program is free software; you can redistribute it and/or modify  *
- *   it under the terms of the GNU General Public License as published by  *
- *   the Free Software Foundation; either version 2 of the License, or     *
- *   (at your option) any later version.                                   *
- *                                                                         *
- *   This program is distributed in the hope that it will be useful,       *
- *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
- *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
- *   GNU General Public License for more details.                          *
- *                                                                         *
- *   You should have received a copy of the GNU General Public License     *
- *   along with this program; if not, write to the                         *
- *   Free Software Foundation, Inc.,                                       *
- *   51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA            *
- ***************************************************************************/
+/*
+ * SPDX-FileCopyrightText: 2012 Peter Penz <peter.penz19@gmail.com>
+ *
+ * Based on KFilePlacesModel from kdelibs:
+ * SPDX-FileCopyrightText: 2007 Kevin Ottens <ervin@kde.org>
+ * SPDX-FileCopyrightText: 2007 David Faure <faure@kde.org>
+ *
+ * SPDX-License-Identifier: GPL-2.0-or-later
+ */
 
 #include "placesitemmodel.h"
 
 #include "dolphin_generalsettings.h"
-
-#include <KBookmark>
-#include <KBookmarkManager>
 #include "dolphindebug.h"
-#include <QIcon>
-#include <KProtocolInfo>
-#include <KLocalizedString>
-#include <QStandardPaths>
-#include <KUser>
-#include <KAboutData>
+#include "dolphinplacesmodelsingleton.h"
 #include "placesitem.h"
-#include <QAction>
-#include <QDate>
-#include <QMimeData>
-#include <QTimer>
-#include <KUrlMimeData>
+#include "placesitemsignalhandler.h"
+#include "views/dolphinview.h"
+#include "views/viewproperties.h"
 
-#include <Solid/Device>
+#include <KAboutData>
+#include <KLocalizedString>
+#include <KUrlMimeData>
 #include <Solid/DeviceNotifier>
-#include <Solid/OpticalDisc>
 #include <Solid/OpticalDrive>
-#include <Solid/StorageAccess>
-#include <Solid/StorageDrive>
-
-#include <views/dolphinview.h>
-#include <views/viewproperties.h>
-
-#ifdef HAVE_BALOO
-    #include <Baloo/Query>
-    #include <Baloo/IndexerConfig>
-#endif
-
-namespace {
-    // As long as KFilePlacesView from kdelibs is available in parallel, the
-    // system-bookmarks for "Recently Saved" and "Search For" should be
-    // shown only inside the Places Panel. This is necessary as the stored
-    // URLs needs to get translated to a Baloo-search-URL on-the-fly to
-    // be independent from changes in the Baloo-search-URL-syntax.
-    // Hence a prefix to the application-name of the stored bookmarks is
-    // added, which is only read by PlacesItemModel.
-    const char AppNamePrefix[] = "-places-panel";
-}
+#include <KCoreAddons/KProcessList>
+#include <KCoreAddons/KListOpenFilesJob>
+
+#include <QAction>
+#include <QIcon>
+#include <QMimeData>
+#include <QTimer>
 
 PlacesItemModel::PlacesItemModel(QObject* parent) :
     KStandardItemModel(parent),
-    m_fileIndexingEnabled(false),
     m_hiddenItemsShown(false),
-    m_availableDevices(),
-    m_predicate(),
-    m_bookmarkManager(0),
-    m_systemBookmarks(),
-    m_systemBookmarksIndexes(),
-    m_bookmarkedItems(),
-    m_hiddenItemToRemove(-1),
-    m_updateBookmarksTimer(0),
-    m_storageSetupInProgress()
+    m_deviceToTearDown(nullptr),
+    m_storageSetupInProgress(),
+    m_sourceModel(DolphinPlacesModelSingleton::instance().placesModel())
 {
-#ifdef HAVE_BALOO
-    Baloo::IndexerConfig config;
-    m_fileIndexingEnabled = config.fileIndexingEnabled();
-#endif
-    const QString file = QStandardPaths::writableLocation(QStandardPaths::GenericDataLocation) + "/user-places.xbel";
-    m_bookmarkManager = KBookmarkManager::managerForExternalFile(file);
-
-    createSystemBookmarks();
-    initializeAvailableDevices();
+    cleanupBookmarks();
     loadBookmarks();
+    initializeDefaultViewProperties();
 
-    const int syncBookmarksTimeout = 100;
-
-    m_updateBookmarksTimer = new QTimer(this);
-    m_updateBookmarksTimer->setInterval(syncBookmarksTimeout);
-    m_updateBookmarksTimer->setSingleShot(true);
-    connect(m_updateBookmarksTimer, &QTimer::timeout, this, &PlacesItemModel::updateBookmarks);
-
-    connect(m_bookmarkManager, &KBookmarkManager::changed,
-            m_updateBookmarksTimer, static_cast<void(QTimer::*)()>(&QTimer::start));
+    connect(m_sourceModel, &KFilePlacesModel::rowsInserted, this, &PlacesItemModel::onSourceModelRowsInserted);
+    connect(m_sourceModel, &KFilePlacesModel::rowsAboutToBeRemoved, this, &PlacesItemModel::onSourceModelRowsAboutToBeRemoved);
+    connect(m_sourceModel, &KFilePlacesModel::dataChanged, this, &PlacesItemModel::onSourceModelDataChanged);
+    connect(m_sourceModel, &KFilePlacesModel::rowsAboutToBeMoved, this, &PlacesItemModel::onSourceModelRowsAboutToBeMoved);
+    connect(m_sourceModel, &KFilePlacesModel::rowsMoved, this, &PlacesItemModel::onSourceModelRowsMoved);
+    connect(m_sourceModel, &KFilePlacesModel::groupHiddenChanged, this, &PlacesItemModel::onSourceModelGroupHiddenChanged);
 }
 
 PlacesItemModel::~PlacesItemModel()
 {
-    qDeleteAll(m_bookmarkedItems);
-    m_bookmarkedItems.clear();
 }
 
-PlacesItem* PlacesItemModel::createPlacesItem(const QString& text,
-                                              const QUrl& url,
-                                              const QString& iconName)
+void PlacesItemModel::createPlacesItem(const QString &text, const QUrl &url, const QString &iconName, const QString &appName)
+{
+    createPlacesItem(text, url, iconName, appName, -1);
+}
+
+void PlacesItemModel::createPlacesItem(const QString &text, const QUrl &url, const QString &iconName, const QString &appName, int after)
 {
-    const KBookmark bookmark = PlacesItem::createBookmark(m_bookmarkManager, text, url, iconName);
-    return new PlacesItem(bookmark);
+    m_sourceModel->addPlace(text, url, iconName, appName, mapToSource(after));
 }
 
 PlacesItem* PlacesItemModel::placesItem(int index) const
@@ -124,20 +71,7 @@ PlacesItem* PlacesItemModel::placesItem(int index) const
 
 int PlacesItemModel::hiddenCount() const
 {
-    int modelIndex = 0;
-    int hiddenItemCount = 0;
-    foreach (const PlacesItem* item, m_bookmarkedItems) {
-        if (item) {
-            ++hiddenItemCount;
-        } else {
-            if (placesItem(modelIndex)->isHidden()) {
-                ++hiddenItemCount;
-            }
-            ++modelIndex;
-        }
-    }
-
-    return hiddenItemCount;
+    return m_sourceModel->hiddenCount();
 }
 
 void PlacesItemModel::setHiddenItemsShown(bool show)
@@ -149,46 +83,21 @@ void PlacesItemModel::setHiddenItemsShown(bool show)
     m_hiddenItemsShown = show;
 
     if (show) {
-        // Move all items that are part of m_bookmarkedItems to the model.
-        QList<PlacesItem*> itemsToInsert;
-        QList<int> insertPos;
-        int modelIndex = 0;
-        for (int i = 0; i < m_bookmarkedItems.count(); ++i) {
-            if (m_bookmarkedItems[i]) {
-                itemsToInsert.append(m_bookmarkedItems[i]);
-                m_bookmarkedItems[i] = 0;
-                insertPos.append(modelIndex);
+        for (int r = 0, rMax = m_sourceModel->rowCount(); r < rMax; r++) {
+            const QModelIndex index = m_sourceModel->index(r, 0);
+            if (!m_sourceModel->isHidden(index)) {
+                continue;
             }
-            ++modelIndex;
-        }
-
-        // Inserting the items will automatically insert an item
-        // to m_bookmarkedItems in PlacesItemModel::onItemsInserted().
-        // The items are temporary saved in itemsToInsert, so
-        // m_bookmarkedItems can be shrinked now.
-        m_bookmarkedItems.erase(m_bookmarkedItems.begin(),
-                                m_bookmarkedItems.begin() + itemsToInsert.count());
-
-        for (int i = 0; i < itemsToInsert.count(); ++i) {
-            insertItem(insertPos[i], itemsToInsert[i]);
+            addItemFromSourceModel(index);
         }
-
-        Q_ASSERT(m_bookmarkedItems.count() == count());
     } else {
-        // Move all items of the model, where the "isHidden" property is true, to
-        // m_bookmarkedItems.
-        Q_ASSERT(m_bookmarkedItems.count() == count());
-        for (int i = count() - 1; i >= 0; --i) {
-            if (placesItem(i)->isHidden()) {
-                hideItem(i);
+        for (int r = 0, rMax = m_sourceModel->rowCount(); r < rMax; r++) {
+            const QModelIndex index = m_sourceModel->index(r, 0);
+            if (m_sourceModel->isHidden(index)) {
+                removeItemByIndex(index);
             }
         }
     }
-
-#ifdef PLACESITEMMODEL_DEBUG
-        qCDebug(DolphinDebug) << "Changed visibility of hidden items";
-        showModelState();
-#endif
 }
 
 bool PlacesItemModel::hiddenItemsShown() const
@@ -198,75 +107,91 @@ bool PlacesItemModel::hiddenItemsShown() const
 
 int PlacesItemModel::closestItem(const QUrl& url) const
 {
-    int foundIndex = -1;
-    int maxLength = 0;
-
-    for (int i = 0; i < count(); ++i) {
-        const QUrl itemUrl = placesItem(i)->url();
-        if (url == itemUrl) {
-            // We can't find a closer one, so stop here.
-            foundIndex = i;
-            break;
-        } else if (itemUrl.isParentOf(url)) {
-            const int length = itemUrl.path().length();
-            if (length > maxLength) {
-                foundIndex = i;
-                maxLength = length;
-            }
-        }
-    }
-
-    return foundIndex;
+    return mapFromSource(m_sourceModel->closestItem(url));
 }
 
-void PlacesItemModel::appendItemToGroup(PlacesItem* item)
+// look for the correct position for the item based on source model
+void PlacesItemModel::insertSortedItem(PlacesItem* item)
 {
     if (!item) {
         return;
     }
 
-    int i = 0;
-    while (i < count() && placesItem(i)->group() != item->group()) {
-        ++i;
-    }
+    const KBookmark iBookmark = item->bookmark();
+    const QString iBookmarkId = bookmarkId(iBookmark);
+    QModelIndex sourceIndex;
+    int pos = 0;
+
+    for(int r = 0, rMax = m_sourceModel->rowCount(); r < rMax; r++) {
+        sourceIndex = m_sourceModel->index(r, 0);
+        const KBookmark sourceBookmark = m_sourceModel->bookmarkForIndex(sourceIndex);
 
-    bool inserted = false;
-    while (!inserted && i < count()) {
-        if (placesItem(i)->group() != item->group()) {
-            insertItem(i, item);
-            inserted = true;
+        if (bookmarkId(sourceBookmark) == iBookmarkId) {
+            break;
         }
-        ++i;
-    }
 
-    if (!inserted) {
-        appendItem(item);
+        if (m_hiddenItemsShown || !m_sourceModel->isHidden(sourceIndex)) {
+            pos++;
+        }
     }
+
+    m_indexMap.insert(pos, sourceIndex);
+    insertItem(pos, item);
 }
 
+void PlacesItemModel::onItemInserted(int index)
+{
+    KStandardItemModel::onItemInserted(index);
+}
+
+void PlacesItemModel::onItemRemoved(int index, KStandardItem* removedItem)
+{
+    m_indexMap.removeAt(index);
+
+    KStandardItemModel::onItemRemoved(index, removedItem);
+}
+
+void PlacesItemModel::onItemChanged(int index, const QSet<QByteArray>& changedRoles)
+{
+    const QModelIndex sourceIndex = mapToSource(index);
+    const PlacesItem *changedItem = placesItem(mapFromSource(sourceIndex));
+
+    if (!changedItem || !sourceIndex.isValid()) {
+        qWarning() << "invalid item changed signal";
+        return;
+    }
+    if (changedRoles.contains("isHidden")) {
+        if (m_sourceModel->isHidden(sourceIndex) != changedItem->isHidden()) {
+            m_sourceModel->setPlaceHidden(sourceIndex, changedItem->isHidden());
+        } else {
+            m_sourceModel->refresh();
+        }
+    }
+    KStandardItemModel::onItemChanged(index, changedRoles);
+}
 
 QAction* PlacesItemModel::ejectAction(int index) const
 {
     const PlacesItem* item = placesItem(index);
     if (item && item->device().is<Solid::OpticalDisc>()) {
-        return new QAction(QIcon::fromTheme("media-eject"), i18nc("@item", "Eject '%1'", item->text()), 0);
+        return new QAction(QIcon::fromTheme(QStringLiteral("media-eject")), i18nc("@item", "Eject"), nullptr);
     }
 
-    return 0;
+    return nullptr;
 }
 
 QAction* PlacesItemModel::teardownAction(int index) const
 {
     const PlacesItem* item = placesItem(index);
     if (!item) {
-        return 0;
+        return nullptr;
     }
 
     Solid::Device device = item->device();
     const bool providesTearDown = device.is<Solid::StorageAccess>() &&
                                   device.as<Solid::StorageAccess>()->isAccessible();
     if (!providesTearDown) {
-        return 0;
+        return nullptr;
     }
 
     Solid::StorageDrive* drive = device.as<Solid::StorageDrive>();
@@ -283,22 +208,21 @@ QAction* PlacesItemModel::teardownAction(int index) const
 
     QString iconName;
     QString text;
-    const QString label = item->text();
     if (device.is<Solid::OpticalDisc>()) {
-        text = i18nc("@item", "Release '%1'", label);
+        text = i18nc("@item", "Release");
     } else if (removable || hotPluggable) {
-        text = i18nc("@item", "Safely Remove '%1'", label);
-        iconName = "media-eject";
+        text = i18nc("@item", "Safely Remove");
+        iconName = QStringLiteral("media-eject");
     } else {
-        text = i18nc("@item", "Unmount '%1'", label);
-        iconName = "media-eject";
+        text = i18nc("@item", "Unmount");
+        iconName = QStringLiteral("media-eject");
     }
 
     if (iconName.isEmpty()) {
-        return new QAction(text, 0);
+        return new QAction(text, nullptr);
     }
 
-    return new QAction(QIcon::fromTheme(iconName), text, 0);
+    return new QAction(QIcon::fromTheme(iconName), text, nullptr);
 }
 
 void PlacesItemModel::requestEject(int index)
@@ -308,25 +232,29 @@ void PlacesItemModel::requestEject(int index)
         Solid::OpticalDrive* drive = item->device().parent().as<Solid::OpticalDrive>();
         if (drive) {
             connect(drive, &Solid::OpticalDrive::ejectDone,
-                    this, &PlacesItemModel::slotStorageTeardownDone);
+                    this, &PlacesItemModel::slotStorageTearDownDone);
             drive->eject();
         } else {
             const QString label = item->text();
             const QString message = i18nc("@info", "The device '%1' is not a disk and cannot be ejected.", label);
-            emit errorMessage(message);
+            Q_EMIT errorMessage(message);
         }
     }
 }
 
-void PlacesItemModel::requestTeardown(int index)
+void PlacesItemModel::requestTearDown(int index)
 {
     const PlacesItem* item = placesItem(index);
     if (item) {
-        Solid::StorageAccess* access = item->device().as<Solid::StorageAccess>();
-        if (access) {
-            connect(access, &Solid::StorageAccess::teardownDone,
-                    this, &PlacesItemModel::slotStorageTeardownDone);
-            access->teardown();
+        Solid::StorageAccess *tmp = item->device().as<Solid::StorageAccess>();
+        if (tmp) {
+            m_deviceToTearDown = tmp;
+            // disconnect the Solid::StorageAccess::teardownRequested
+            // to prevent emitting PlacesItemModel::storageTearDownExternallyRequested
+            // after we have emitted PlacesItemModel::storageTearDownRequested
+            disconnect(tmp, &Solid::StorageAccess::teardownRequested,
+                       item->signalHandler(), &PlacesItemSignalHandler::onTearDownRequested);
+            Q_EMIT storageTearDownRequested(tmp->filePath());
         }
     }
 }
@@ -367,7 +295,7 @@ QMimeData* PlacesItemModel::createMimeData(const KItemSet& indexes) const
 
     QDataStream stream(&itemData, QIODevice::WriteOnly);
 
-    foreach (int index, indexes) {
+    for (int index : indexes) {
         const QUrl itemUrl = placesItem(index)->url();
         if (itemUrl.isValid()) {
             urls << itemUrl;
@@ -378,6 +306,9 @@ QMimeData* PlacesItemModel::createMimeData(const KItemSet& indexes) const
     QMimeData* mimeData = new QMimeData();
     if (!urls.isEmpty()) {
         mimeData->setUrls(urls);
+    } else {
+        // #378954: prevent itemDropEvent() drops if there isn't a source url.
+        mimeData->setData(blacklistItemDropEventMimeType(), QByteArrayLiteral("true"));
     }
     mimeData->setData(internalMimeType(), itemData);
 
@@ -397,26 +328,12 @@ void PlacesItemModel::dropMimeDataBefore(int index, const QMimeData* mimeData)
         QDataStream stream(&itemData, QIODevice::ReadOnly);
         int oldIndex;
         stream >> oldIndex;
-        if (oldIndex == index || oldIndex == index - 1) {
-            // No moving has been done
-            return;
-        }
 
-        PlacesItem* oldItem = placesItem(oldIndex);
-        if (!oldItem) {
-            return;
-        }
+        QModelIndex sourceIndex = mapToSource(index);
+        QModelIndex oldSourceIndex = mapToSource(oldIndex);
 
-        PlacesItem* newItem = new PlacesItem(oldItem->bookmark());
-        removeItem(oldIndex);
-
-        if (oldIndex < index) {
-            --index;
-        }
-
-        const int dropIndex = groupedDropIndex(index, newItem);
-        insertItem(dropIndex, newItem);
-    } else if (mimeData->hasFormat("text/uri-list")) {
+        m_sourceModel->movePlace(oldSourceIndex.row(), sourceIndex.row());
+    } else if (mimeData->hasFormat(QStringLiteral("text/uri-list"))) {
         // One or more items must be added to the model
         const QList<QUrl> urls = KUrlMimeData::urlsFromMimeData(mimeData);
         for (int i = urls.count() - 1; i >= 0; --i) {
@@ -428,165 +345,148 @@ void PlacesItemModel::dropMimeDataBefore(int index, const QMimeData* mimeData)
             }
 
             if ((url.isLocalFile() && !QFileInfo(url.toLocalFile()).isDir())
-                    || url.scheme() == "trash") {
+                    || url.scheme() == QLatin1String("trash")) {
                 // Only directories outside the trash are allowed
                 continue;
             }
 
-            PlacesItem* newItem = createPlacesItem(text, url);
-            const int dropIndex = groupedDropIndex(index, newItem);
-            insertItem(dropIndex, newItem);
+            createPlacesItem(text, url, KIO::iconNameForUrl(url), {}, qMax(0, index - 1));
         }
     }
+    // will save bookmark alteration and fix sort if that is broken by the drag/drop operation
+    refresh();
 }
 
-QUrl PlacesItemModel::convertedUrl(const QUrl& url)
+void PlacesItemModel::addItemFromSourceModel(const QModelIndex &index)
 {
-    QUrl newUrl = url;
-    if (url.scheme() == QLatin1String("timeline")) {
-        newUrl = createTimelineUrl(url);
-    } else if (url.scheme() == QLatin1String("search")) {
-        newUrl = createSearchUrl(url);
-    }
-
-    return newUrl;
-}
-
-void PlacesItemModel::onItemInserted(int index)
-{
-    const PlacesItem* insertedItem = placesItem(index);
-    if (insertedItem) {
-        // Take care to apply the PlacesItemModel-order of the inserted item
-        // also to the bookmark-manager.
-        const KBookmark insertedBookmark = insertedItem->bookmark();
-
-        const PlacesItem* previousItem = placesItem(index - 1);
-        KBookmark previousBookmark;
-        if (previousItem) {
-            previousBookmark = previousItem->bookmark();
-        }
-
-        m_bookmarkManager->root().moveBookmark(insertedBookmark, previousBookmark);
-    }
-
-    if (index == count() - 1) {
-        // The item has been appended as last item to the list. In this
-        // case assure that it is also appended after the hidden items and
-        // not before (like done otherwise).
-        m_bookmarkedItems.append(0);
-    } else {
-
-        int modelIndex = -1;
-        int bookmarkIndex = 0;
-        while (bookmarkIndex < m_bookmarkedItems.count()) {
-            if (!m_bookmarkedItems[bookmarkIndex]) {
-                ++modelIndex;
-                if (modelIndex + 1 == index) {
-                    break;
-                }
-            }
-            ++bookmarkIndex;
-        }
-        m_bookmarkedItems.insert(bookmarkIndex, 0);
+    if (!m_hiddenItemsShown && m_sourceModel->isHidden(index)) {
+        return;
     }
 
-#ifdef PLACESITEMMODEL_DEBUG
-    qCDebug(DolphinDebug) << "Inserted item" << index;
-    showModelState();
-#endif
-}
+    const KBookmark bookmark = m_sourceModel->bookmarkForIndex(index);
+    Q_ASSERT(!bookmark.isNull());
+    PlacesItem *item = new PlacesItem(bookmark);
+    updateItem(item, index);
+    insertSortedItem(item);
 
-void PlacesItemModel::onItemRemoved(int index, KStandardItem* removedItem)
-{
-    PlacesItem* placesItem = dynamic_cast<PlacesItem*>(removedItem);
-    if (placesItem) {
-        const KBookmark bookmark = placesItem->bookmark();
-        m_bookmarkManager->root().deleteBookmark(bookmark);
+    if (m_sourceModel->isDevice(index)) {
+        connect(item->signalHandler(), &PlacesItemSignalHandler::tearDownExternallyRequested,
+                this, &PlacesItemModel::storageTearDownExternallyRequested);
     }
-
-    const int boomarkIndex = bookmarkIndex(index);
-    Q_ASSERT(!m_bookmarkedItems[boomarkIndex]);
-    m_bookmarkedItems.removeAt(boomarkIndex);
-
-#ifdef PLACESITEMMODEL_DEBUG
-    qCDebug(DolphinDebug) << "Removed item" << index;
-    showModelState();
-#endif
 }
 
-void PlacesItemModel::onItemChanged(int index, const QSet<QByteArray>& changedRoles)
+void PlacesItemModel::removeItemByIndex(const QModelIndex &sourceIndex)
 {
-    const PlacesItem* changedItem = placesItem(index);
-    if (changedItem) {
-        // Take care to apply the PlacesItemModel-order of the changed item
-        // also to the bookmark-manager.
-        const KBookmark insertedBookmark = changedItem->bookmark();
-
-        const PlacesItem* previousItem = placesItem(index - 1);
-        KBookmark previousBookmark;
-        if (previousItem) {
-            previousBookmark = previousItem->bookmark();
-        }
+    QString id = bookmarkId(m_sourceModel->bookmarkForIndex(sourceIndex));
 
-        m_bookmarkManager->root().moveBookmark(insertedBookmark, previousBookmark);
-    }
-
-    if (changedRoles.contains("isHidden")) {
-        if (!m_hiddenItemsShown && changedItem->isHidden()) {
-            m_hiddenItemToRemove = index;
-            QTimer::singleShot(0, this, SLOT(hideItem()));
+    for (int i = 0, iMax = count(); i < iMax; ++i) {
+        if (bookmarkId(placesItem(i)->bookmark()) == id) {
+            removeItem(i);
+            return;
         }
     }
 }
 
-void PlacesItemModel::slotDeviceAdded(const QString& udi)
-{
-    const Solid::Device device(udi);
-
-    if (!m_predicate.matches(device)) {
-        return;
+QString PlacesItemModel::bookmarkId(const KBookmark &bookmark) const
+{
+    QString id = bookmark.metaDataItem(QStringLiteral("UDI"));
+    if (id.isEmpty()) {
+        id = bookmark.metaDataItem(QStringLiteral("ID"));
+    }
+    return id;
+}
+
+void PlacesItemModel::initializeDefaultViewProperties() const
+{
+    for(int i = 0, iMax = m_sourceModel->rowCount(); i < iMax; i++) {
+        const QModelIndex index = m_sourceModel->index(i, 0);
+        const PlacesItem *item = placesItem(mapFromSource(index));
+        if (!item) {
+            continue;
+        }
+
+        // Create default view-properties for all "Search For" and "Recently Saved" bookmarks
+        // in case the user has not already created custom view-properties for a corresponding
+        // query yet.
+        const bool createDefaultViewProperties = item->isSearchOrTimelineUrl() && !GeneralSettings::self()->globalViewProps();
+        if (createDefaultViewProperties) {
+            const QUrl itemUrl = item->url();
+            ViewProperties props(KFilePlacesModel::convertedUrl(itemUrl));
+            if (!props.exist()) {
+                const QString path = itemUrl.path();
+                if (path == QLatin1String("/documents")) {
+                    props.setViewMode(DolphinView::DetailsView);
+                    props.setPreviewsShown(false);
+                    props.setVisibleRoles({"text", "path"});
+                } else if (path == QLatin1String("/images")) {
+                    props.setViewMode(DolphinView::IconsView);
+                    props.setPreviewsShown(true);
+                    props.setVisibleRoles({"text", "height", "width"});
+                } else if (path == QLatin1String("/audio")) {
+                    props.setViewMode(DolphinView::DetailsView);
+                    props.setPreviewsShown(false);
+                    props.setVisibleRoles({"text", "artist", "album"});
+                } else if (path == QLatin1String("/videos")) {
+                    props.setViewMode(DolphinView::IconsView);
+                    props.setPreviewsShown(true);
+                    props.setVisibleRoles({"text"});
+                } else if (itemUrl.scheme() == QLatin1String("timeline")) {
+                    props.setViewMode(DolphinView::DetailsView);
+                    props.setVisibleRoles({"text", "modificationtime"});
+                }
+                props.save();
+            }
+        }
     }
-
-    m_availableDevices << udi;
-    const KBookmark bookmark = PlacesItem::createDeviceBookmark(m_bookmarkManager, udi);
-    appendItem(new PlacesItem(bookmark));
 }
 
-void PlacesItemModel::slotDeviceRemoved(const QString& udi)
+void PlacesItemModel::updateItem(PlacesItem *item, const QModelIndex &index)
 {
-    if (!m_availableDevices.contains(udi)) {
-        return;
-    }
-
-    for (int i = 0; i < m_bookmarkedItems.count(); ++i) {
-        PlacesItem* item = m_bookmarkedItems[i];
-        if (item && item->udi() == udi) {
-            m_bookmarkedItems.removeAt(i);
-            delete item;
-            return;
-        }
-    }
-
-    for (int i = 0; i < count(); ++i) {
-        if (placesItem(i)->udi() == udi) {
-            removeItem(i);
-            return;
-        }
-    }
+    item->setGroup(index.data(KFilePlacesModel::GroupRole).toString());
+    item->setIcon(index.data(KFilePlacesModel::IconNameRole).toString());
+    item->setGroupHidden(index.data(KFilePlacesModel::GroupHiddenRole).toBool());
 }
 
-void PlacesItemModel::slotStorageTeardownDone(Solid::ErrorType error, const QVariant& errorData)
+void PlacesItemModel::slotStorageTearDownDone(Solid::ErrorType error, const QVariant& errorData)
 {
     if (error && errorData.isValid()) {
-        emit errorMessage(errorData.toString());
+        if (error == Solid::ErrorType::DeviceBusy) {
+            KListOpenFilesJob* listOpenFilesJob = new KListOpenFilesJob(m_deviceToTearDown->filePath());
+            connect(listOpenFilesJob, &KIO::Job::result, this, [this, listOpenFilesJob](KJob*) {
+                const KProcessList::KProcessInfoList blockingProcesses = listOpenFilesJob->processInfoList();
+                QString errorString;
+                if (blockingProcesses.isEmpty()) {
+                    errorString = i18n("One or more files on this device are open within an application.");
+                } else {
+                    QStringList blockingApps;
+                    for (const auto& process : blockingProcesses) {
+                        blockingApps << process.name();
+                    }
+                    blockingApps.removeDuplicates();
+                    errorString = xi18np("One or more files on this device are opened in application <application>\"%2\"</application>.",
+                            "One or more files on this device are opened in following applications: <application>%2</application>.",
+                            blockingApps.count(), blockingApps.join(i18nc("separator in list of apps blocking device unmount", ", ")));
+                }
+                Q_EMIT errorMessage(errorString);
+            });
+            listOpenFilesJob->start();
+        } else {
+            Q_EMIT errorMessage(errorData.toString());
+        }
+    } else {
+        // No error; it must have been unmounted successfully
+        Q_EMIT storageTearDownSuccessful();
     }
+    disconnect(m_deviceToTearDown, &Solid::StorageAccess::teardownDone,
+               this, &PlacesItemModel::slotStorageTearDownDone);
+    m_deviceToTearDown = nullptr;
 }
 
 void PlacesItemModel::slotStorageSetupDone(Solid::ErrorType error,
                                            const QVariant& errorData,
                                            const QString& udi)
 {
-    Q_UNUSED(udi);
+    Q_UNUSED(udi)
 
     const int index = m_storageSetupInProgress.take(sender());
     const PlacesItem*  item = placesItem(index);
@@ -596,392 +496,171 @@ void PlacesItemModel::slotStorageSetupDone(Solid::ErrorType error,
 
     if (error != Solid::NoError) {
         if (errorData.isValid()) {
-            emit errorMessage(i18nc("@info", "An error occurred while accessing '%1', the system responded: %2",
+            Q_EMIT errorMessage(i18nc("@info", "An error occurred while accessing '%1', the system responded: %2",
                                     item->text(),
                                     errorData.toString()));
         } else {
-            emit errorMessage(i18nc("@info", "An error occurred while accessing '%1'",
+            Q_EMIT errorMessage(i18nc("@info", "An error occurred while accessing '%1'",
                                     item->text()));
         }
-        emit storageSetupDone(index, false);
+        Q_EMIT storageSetupDone(index, false);
     } else {
-        emit storageSetupDone(index, true);
+        Q_EMIT storageSetupDone(index, true);
     }
 }
 
-void PlacesItemModel::hideItem()
+void PlacesItemModel::onSourceModelRowsInserted(const QModelIndex &parent, int first, int last)
 {
-    hideItem(m_hiddenItemToRemove);
-    m_hiddenItemToRemove = -1;
+    for (int i = first; i <= last; i++) {
+        const QModelIndex index = m_sourceModel->index(i, 0, parent);
+        addItemFromSourceModel(index);
+    }
 }
 
-void PlacesItemModel::updateBookmarks()
+void PlacesItemModel::onSourceModelRowsAboutToBeRemoved(const QModelIndex &parent, int first, int last)
 {
-    // Verify whether new bookmarks have been added or existing
-    // bookmarks have been changed.
-    KBookmarkGroup root = m_bookmarkManager->root();
-    KBookmark newBookmark = root.first();
-    while (!newBookmark.isNull()) {
-        if (acceptBookmark(newBookmark, m_availableDevices)) {
-            bool found = false;
-            int modelIndex = 0;
-            for (int i = 0; i < m_bookmarkedItems.count(); ++i) {
-                PlacesItem* item = m_bookmarkedItems[i];
-                if (!item) {
-                    item = placesItem(modelIndex);
-                    ++modelIndex;
-                }
-
-                const KBookmark oldBookmark = item->bookmark();
-                if (equalBookmarkIdentifiers(newBookmark, oldBookmark)) {
-                    // The bookmark has been found in the model or as
-                    // a hidden item. The content of the bookmark might
-                    // have been changed, so an update is done.
-                    found = true;
-                    if (newBookmark.metaDataItem("UDI").isEmpty()) {
-                        item->setBookmark(newBookmark);
-                        item->setText(i18nc("KFile System Bookmarks", newBookmark.text().toUtf8().constData()));
-                    }
-                    break;
-                }
-            }
-
-            if (!found) {
-                const QString udi = newBookmark.metaDataItem("UDI");
-
-                /*
-                 * See Bug 304878
-                 * Only add a new places item, if the item text is not empty
-                 * and if the device is available. Fixes the strange behaviour -
-                 * add a places item without text in the Places section - when you
-                 * remove a device (e.g. a usb stick) without unmounting.
-                 */
-                if (udi.isEmpty() || Solid::Device(udi).isValid()) {
-                    PlacesItem* item = new PlacesItem(newBookmark);
-                    if (item->isHidden() && !m_hiddenItemsShown) {
-                        m_bookmarkedItems.append(item);
-                    } else {
-                        appendItemToGroup(item);
-                    }
-                }
-            }
+    for(int r = first; r <= last; r++) {
+        const QModelIndex index = m_sourceModel->index(r, 0, parent);
+        int oldIndex = mapFromSource(index);
+        if (oldIndex != -1) {
+            removeItem(oldIndex);
         }
-
-        newBookmark = root.next(newBookmark);
     }
+}
 
-    // Remove items that are not part of the bookmark-manager anymore
-    int modelIndex = 0;
-    for (int i = m_bookmarkedItems.count() - 1; i >= 0; --i) {
-        PlacesItem* item = m_bookmarkedItems[i];
-        const bool itemIsPartOfModel = (item == 0);
-        if (itemIsPartOfModel) {
-            item = placesItem(modelIndex);
-        }
-
-        bool hasBeenRemoved = true;
-        const KBookmark oldBookmark = item->bookmark();
-        KBookmark newBookmark = root.first();
-        while (!newBookmark.isNull()) {
-            if (equalBookmarkIdentifiers(newBookmark, oldBookmark)) {
-                hasBeenRemoved = false;
-                break;
-            }
-            newBookmark = root.next(newBookmark);
-        }
-
-        if (hasBeenRemoved) {
-            if (m_bookmarkedItems[i]) {
-                delete m_bookmarkedItems[i];
-                m_bookmarkedItems.removeAt(i);
-            } else {
-                removeItem(modelIndex);
-                --modelIndex;
-            }
-        }
+void PlacesItemModel::onSourceModelRowsAboutToBeMoved(const QModelIndex &parent, int start, int end, const QModelIndex &destination, int row)
+{
+    Q_UNUSED(destination)
+    Q_UNUSED(row)
 
-        if (itemIsPartOfModel) {
-            ++modelIndex;
-        }
+    for(int r = start; r <= end; r++) {
+        const QModelIndex sourceIndex = m_sourceModel->index(r, 0, parent);
+        // remove moved item
+        removeItem(mapFromSource(sourceIndex));
     }
 }
 
-void PlacesItemModel::saveBookmarks()
+void PlacesItemModel::onSourceModelRowsMoved(const QModelIndex &parent, int start, int end, const QModelIndex &destination, int row)
 {
-    m_bookmarkManager->emitChanged(m_bookmarkManager->root());
-}
+    Q_UNUSED(destination)
+    Q_UNUSED(parent)
 
-void PlacesItemModel::loadBookmarks()
-{
-    KBookmarkGroup root = m_bookmarkManager->root();
-    KBookmark bookmark = root.first();
-    QSet<QString> devices = m_availableDevices;
+    const int blockSize = (end - start) + 1;
 
-    QSet<QUrl> missingSystemBookmarks;
-    foreach (const SystemBookmarkData& data, m_systemBookmarks) {
-        missingSystemBookmarks.insert(data.url);
-    }
+    for (int r = start; r <= end; r++) {
+        // insert the moved item in the new position
+        const int targetRow = row + (start - r) - (r < row ? blockSize : 0);
+        const QModelIndex targetIndex = m_sourceModel->index(targetRow, 0, destination);
 
-    // The bookmarks might have a mixed order of places, devices and search-groups due
-    // to the compatibility with the KFilePlacesPanel. In Dolphin's places panel the
-    // items should always be collected in one group so the items are collected first
-    // in separate lists before inserting them.
-    QList<PlacesItem*> placesItems;
-    QList<PlacesItem*> recentlySavedItems;
-    QList<PlacesItem*> searchForItems;
-    QList<PlacesItem*> devicesItems;
-
-    while (!bookmark.isNull()) {
-        if (acceptBookmark(bookmark, devices)) {
-            PlacesItem* item = new PlacesItem(bookmark);
-            if (item->groupType() == PlacesItem::DevicesType) {
-                devices.remove(item->udi());
-                devicesItems.append(item);
-            } else {
-                const QUrl url = bookmark.url();
-                if (missingSystemBookmarks.contains(url)) {
-                    missingSystemBookmarks.remove(url);
-
-                    // Try to retranslate the text of system bookmarks to have translated
-                    // items when changing the language. In case if the user has applied a custom
-                    // text, the retranslation will fail and the users custom text is still used.
-                    // It is important to use "KFile System Bookmarks" as context (see
-                    // createSystemBookmarks()).
-                    item->setText(i18nc("KFile System Bookmarks", bookmark.text().toUtf8().constData()));
-                    item->setSystemItem(true);
-                }
+        addItemFromSourceModel(targetIndex);
+    }
+}
 
-                switch (item->groupType()) {
-                case PlacesItem::PlacesType:        placesItems.append(item); break;
-                case PlacesItem::RecentlySavedType: recentlySavedItems.append(item); break;
-                case PlacesItem::SearchForType:     searchForItems.append(item); break;
-                case PlacesItem::DevicesType:
-                default:                            Q_ASSERT(false); break;
-                }
-            }
-        }
+void PlacesItemModel::onSourceModelDataChanged(const QModelIndex &topLeft, const QModelIndex &bottomRight, const QVector<int> &roles)
+{
+    Q_UNUSED(roles)
 
-        bookmark = root.next(bookmark);
-    }
+    for (int r = topLeft.row(); r <= bottomRight.row(); r++) {
+        const QModelIndex sourceIndex = m_sourceModel->index(r, 0);
+        const KBookmark bookmark = m_sourceModel->bookmarkForIndex(sourceIndex);
+        PlacesItem *placeItem = itemFromBookmark(bookmark);
 
-    if (!missingSystemBookmarks.isEmpty()) {
-        // The current bookmarks don't contain all system-bookmarks. Add the missing
-        // bookmarks.
-        foreach (const SystemBookmarkData& data, m_systemBookmarks) {
-            if (missingSystemBookmarks.contains(data.url)) {
-                PlacesItem* item = createSystemPlacesItem(data);
-                switch (item->groupType()) {
-                case PlacesItem::PlacesType:        placesItems.append(item); break;
-                case PlacesItem::RecentlySavedType: recentlySavedItems.append(item); break;
-                case PlacesItem::SearchForType:     searchForItems.append(item); break;
-                case PlacesItem::DevicesType:
-                default:                            Q_ASSERT(false); break;
-                }
-            }
+        if (placeItem && (!m_hiddenItemsShown && m_sourceModel->isHidden(sourceIndex))) {
+            //hide item if it became invisible
+            removeItem(index(placeItem));
+            return;
         }
-    }
-
-    // Create items for devices that have not been stored as bookmark yet
-    foreach (const QString& udi, devices) {
-        const KBookmark bookmark = PlacesItem::createDeviceBookmark(m_bookmarkManager, udi);
-        devicesItems.append(new PlacesItem(bookmark));
-    }
 
-    QList<PlacesItem*> items;
-    items.append(placesItems);
-    items.append(recentlySavedItems);
-    items.append(searchForItems);
-    items.append(devicesItems);
+        if (!placeItem && (m_hiddenItemsShown || !m_sourceModel->isHidden(sourceIndex))) {
+            //show item if it became visible
+            addItemFromSourceModel(sourceIndex);
+            return;
+        }
 
-    foreach (PlacesItem* item, items) {
-        if (!m_hiddenItemsShown && item->isHidden()) {
-            m_bookmarkedItems.append(item);
-        } else {
-            appendItem(item);
+        if (placeItem && !m_sourceModel->isDevice(sourceIndex)) {
+            // must update the bookmark object
+            placeItem->setBookmark(bookmark);
         }
     }
-
-#ifdef PLACESITEMMODEL_DEBUG
-    qCDebug(DolphinDebug) << "Loaded bookmarks";
-    showModelState();
-#endif
 }
 
-bool PlacesItemModel::acceptBookmark(const KBookmark& bookmark,
-                                     const QSet<QString>& availableDevices) const
+void PlacesItemModel::onSourceModelGroupHiddenChanged(KFilePlacesModel::GroupType group, bool hidden)
 {
-    const QString udi = bookmark.metaDataItem("UDI");
-    const QUrl url = bookmark.url();
-    const QString appName = bookmark.metaDataItem("OnlyInApp");
-    const bool deviceAvailable = availableDevices.contains(udi);
-
-    const bool allowedHere = (appName.isEmpty()
-                              || appName == KAboutData::applicationData().componentName()
-                              || appName == KAboutData::applicationData().componentName() + AppNamePrefix)
-                             && (m_fileIndexingEnabled || (url.scheme() != QLatin1String("timeline") &&
-                                                           url.scheme() != QLatin1String("search")));
-
-    return (udi.isEmpty() && allowedHere) || deviceAvailable;
+    const auto groupIndexes = m_sourceModel->groupIndexes(group);
+    for (const QModelIndex &sourceIndex : groupIndexes) {
+        PlacesItem *item = placesItem(mapFromSource(sourceIndex));
+        if (item) {
+            item->setGroupHidden(hidden);
+        }
+    }
 }
 
-PlacesItem* PlacesItemModel::createSystemPlacesItem(const SystemBookmarkData& data)
+void PlacesItemModel::cleanupBookmarks()
 {
-    KBookmark bookmark = PlacesItem::createBookmark(m_bookmarkManager,
-                                                    data.text,
-                                                    data.url,
-                                                    data.icon);
-
-    const QString protocol = data.url.scheme();
-    if (protocol == QLatin1String("timeline") || protocol == QLatin1String("search")) {
-        // As long as the KFilePlacesView from kdelibs is available, the system-bookmarks
-        // for "Recently Saved" and "Search For" should be a setting available only
-        // in the Places Panel (see description of AppNamePrefix for more details).
-        const QString appName = KAboutData::applicationData().componentName() + AppNamePrefix;
-        bookmark.setMetaDataItem("OnlyInApp", appName);
-    }
+    // KIO model now provides support for baloo urls, and because of that we
+    // need to remove old URLs that were visible only in Dolphin to avoid duplication
 
-    PlacesItem* item = new PlacesItem(bookmark);
-    item->setSystemItem(true);
-
-    // Create default view-properties for all "Search For" and "Recently Saved" bookmarks
-    // in case if the user has not already created custom view-properties for a corresponding
-    // query yet.
-    const bool createDefaultViewProperties = (item->groupType() == PlacesItem::SearchForType ||
-                                              item->groupType() == PlacesItem::RecentlySavedType) &&
-                                              !GeneralSettings::self()->globalViewProps();
-    if (createDefaultViewProperties) {
-        ViewProperties props(convertedUrl(data.url));
-        if (!props.exist()) {
-            const QString path = data.url.path();
-            if (path == QLatin1String("/documents")) {
-                props.setViewMode(DolphinView::DetailsView);
-                props.setPreviewsShown(false);
-                props.setVisibleRoles({"text", "path"});
-            } else if (path == QLatin1String("/images")) {
-                props.setViewMode(DolphinView::IconsView);
-                props.setPreviewsShown(true);
-                props.setVisibleRoles({"text", "imageSize"});
-            } else if (path == QLatin1String("/audio")) {
-                props.setViewMode(DolphinView::DetailsView);
-                props.setPreviewsShown(false);
-                props.setVisibleRoles({"text", "artist", "album"});
-            } else if (path == QLatin1String("/videos")) {
-                props.setViewMode(DolphinView::IconsView);
-                props.setPreviewsShown(true);
-                props.setVisibleRoles({"text"});
-            } else if (data.url.scheme() == "timeline") {
-                props.setViewMode(DolphinView::DetailsView);
-                props.setVisibleRoles({"text", "date"});
-            }
-        }
-    }
+    static const QVector<QUrl> balooURLs = {
+        QUrl(QStringLiteral("timeline:/today")),
+        QUrl(QStringLiteral("timeline:/yesterday")),
+        QUrl(QStringLiteral("timeline:/thismonth")),
+        QUrl(QStringLiteral("timeline:/lastmonth")),
+        QUrl(QStringLiteral("search:/documents")),
+        QUrl(QStringLiteral("search:/images")),
+        QUrl(QStringLiteral("search:/audio")),
+        QUrl(QStringLiteral("search:/videos"))
+    };
 
-    return item;
+    int row = 0;
+    do {
+        const QModelIndex sourceIndex = m_sourceModel->index(row, 0);
+        const KBookmark bookmark = m_sourceModel->bookmarkForIndex(sourceIndex);
+        const QUrl url = bookmark.url();
+        const QString appName = bookmark.metaDataItem(QStringLiteral("OnlyInApp"));
+
+        if ((appName == KAboutData::applicationData().componentName() ||
+             appName == KAboutData::applicationData().componentName() + DolphinPlacesModelSingleton::applicationNameSuffix()) && balooURLs.contains(url)) {
+            qCDebug(DolphinDebug) << "Removing old baloo url:" << url;
+            m_sourceModel->removePlace(sourceIndex);
+        } else {
+            row++;
+        }
+    } while (row < m_sourceModel->rowCount());
 }
 
-void PlacesItemModel::createSystemBookmarks()
+void PlacesItemModel::loadBookmarks()
 {
-    Q_ASSERT(m_systemBookmarks.isEmpty());
-    Q_ASSERT(m_systemBookmarksIndexes.isEmpty());
-
-    // Note: The context of the I18N_NOOP2 must be "KFile System Bookmarks". The real
-    // i18nc call is done after reading the bookmark. The reason why the i18nc call is not
-    // done here is because otherwise switching the language would not result in retranslating the
-    // bookmarks.
-    m_systemBookmarks.append(SystemBookmarkData(QUrl::fromLocalFile(KUser().homeDir()),
-                                                "user-home",
-                                                I18N_NOOP2("KFile System Bookmarks", "Home")));
-    m_systemBookmarks.append(SystemBookmarkData(QUrl("remote:/"),
-                                                "network-workgroup",
-                                                I18N_NOOP2("KFile System Bookmarks", "Network")));
-    m_systemBookmarks.append(SystemBookmarkData(QUrl::fromLocalFile("/"),
-                                                "folder-red",
-                                                I18N_NOOP2("KFile System Bookmarks", "Root")));
-    m_systemBookmarks.append(SystemBookmarkData(QUrl("trash:/"),
-                                                "user-trash",
-                                                I18N_NOOP2("KFile System Bookmarks", "Trash")));
-
-    if (m_fileIndexingEnabled) {
-        m_systemBookmarks.append(SystemBookmarkData(QUrl("timeline:/today"),
-                                                    "go-jump-today",
-                                                    I18N_NOOP2("KFile System Bookmarks", "Today")));
-        m_systemBookmarks.append(SystemBookmarkData(QUrl("timeline:/yesterday"),
-                                                    "view-calendar-day",
-                                                    I18N_NOOP2("KFile System Bookmarks", "Yesterday")));
-        m_systemBookmarks.append(SystemBookmarkData(QUrl("timeline:/thismonth"),
-                                                    "view-calendar-month",
-                                                    I18N_NOOP2("KFile System Bookmarks", "This Month")));
-        m_systemBookmarks.append(SystemBookmarkData(QUrl("timeline:/lastmonth"),
-                                                    "view-calendar-month",
-                                                    I18N_NOOP2("KFile System Bookmarks", "Last Month")));
-        m_systemBookmarks.append(SystemBookmarkData(QUrl("search:/documents"),
-                                                    "folder-text",
-                                                    I18N_NOOP2("KFile System Bookmarks", "Documents")));
-        m_systemBookmarks.append(SystemBookmarkData(QUrl("search:/images"),
-                                                    "folder-images",
-                                                    I18N_NOOP2("KFile System Bookmarks", "Images")));
-        m_systemBookmarks.append(SystemBookmarkData(QUrl("search:/audio"),
-                                                    "folder-sound",
-                                                    I18N_NOOP2("KFile System Bookmarks", "Audio Files")));
-        m_systemBookmarks.append(SystemBookmarkData(QUrl("search:/videos"),
-                                                    "folder-videos",
-                                                    I18N_NOOP2("KFile System Bookmarks", "Videos")));
-    }
-
-    for (int i = 0; i < m_systemBookmarks.count(); ++i) {
-        m_systemBookmarksIndexes.insert(m_systemBookmarks[i].url, i);
+    for(int r = 0, rMax = m_sourceModel->rowCount(); r < rMax; r++) {
+        const QModelIndex sourceIndex = m_sourceModel->index(r, 0);
+        if (m_hiddenItemsShown || !m_sourceModel->isHidden(sourceIndex)) {
+            addItemFromSourceModel(sourceIndex);
+        }
     }
 }
 
 void PlacesItemModel::clear() {
-    m_bookmarkedItems.clear();
     KStandardItemModel::clear();
 }
 
-void PlacesItemModel::initializeAvailableDevices()
+void PlacesItemModel::proceedWithTearDown()
 {
-    QString predicate("[[[[ StorageVolume.ignored == false AND [ StorageVolume.usage == 'FileSystem' OR StorageVolume.usage == 'Encrypted' ]]"
-        " OR "
-        "[ IS StorageAccess AND StorageDrive.driveType == 'Floppy' ]]"
-        " OR "
-        "OpticalDisc.availableContent & 'Audio' ]"
-        " OR "
-        "StorageAccess.ignored == false ]");
-
-
-    if (KProtocolInfo::isKnownProtocol("mtp")) {
-        predicate.prepend("[");
-        predicate.append(" OR PortableMediaPlayer.supportedProtocols == 'mtp']");
-    }
-
-    m_predicate = Solid::Predicate::fromString(predicate);
-    Q_ASSERT(m_predicate.isValid());
+    Q_ASSERT(m_deviceToTearDown);
 
-    Solid::DeviceNotifier* notifier = Solid::DeviceNotifier::instance();
-    connect(notifier, &Solid::DeviceNotifier::deviceAdded,   this, &PlacesItemModel::slotDeviceAdded);
-    connect(notifier, &Solid::DeviceNotifier::deviceRemoved, this, &PlacesItemModel::slotDeviceRemoved);
-
-    const QList<Solid::Device>& deviceList = Solid::Device::listFromQuery(m_predicate);
-    foreach (const Solid::Device& device, deviceList) {
-        m_availableDevices << device.udi();
-    }
+    connect(m_deviceToTearDown, &Solid::StorageAccess::teardownDone,
+            this, &PlacesItemModel::slotStorageTearDownDone);
+    m_deviceToTearDown->teardown();
 }
 
-int PlacesItemModel::bookmarkIndex(int index) const
+void PlacesItemModel::deleteItem(int index)
 {
-    int bookmarkIndex = 0;
-    int modelIndex = 0;
-    while (bookmarkIndex < m_bookmarkedItems.count()) {
-        if (!m_bookmarkedItems[bookmarkIndex]) {
-            if (modelIndex == index) {
-                break;
-            }
-            ++modelIndex;
-        }
-        ++bookmarkIndex;
-    }
+    QModelIndex sourceIndex = mapToSource(index);
+    Q_ASSERT(sourceIndex.isValid());
+    m_sourceModel->removePlace(sourceIndex);
+}
 
-    return bookmarkIndex >= m_bookmarkedItems.count() ? -1 : bookmarkIndex;
+void PlacesItemModel::refresh()
+{
+    m_sourceModel->refresh();
 }
 
 void PlacesItemModel::hideItem(int index)
@@ -992,36 +671,6 @@ void PlacesItemModel::hideItem(int index)
     }
 
     shownItem->setHidden(true);
-    if (m_hiddenItemsShown) {
-        // Removing items from the model is not allowed if all hidden
-        // items should be shown.
-        return;
-    }
-
-    const int newIndex = bookmarkIndex(index);
-    if (newIndex >= 0) {
-        const KBookmark hiddenBookmark = shownItem->bookmark();
-        PlacesItem* hiddenItem = new PlacesItem(hiddenBookmark);
-
-        const PlacesItem* previousItem = placesItem(index - 1);
-        KBookmark previousBookmark;
-        if (previousItem) {
-            previousBookmark = previousItem->bookmark();
-        }
-
-        const bool updateBookmark = (m_bookmarkManager->root().indexOf(hiddenBookmark) >= 0);
-        removeItem(index);
-
-        if (updateBookmark) {
-            // removeItem() also removed the bookmark from m_bookmarkManager in
-            // PlacesItemModel::onItemRemoved(). However for hidden items the
-            // bookmark should still be remembered, so readd it again:
-            m_bookmarkManager->root().addBookmark(hiddenBookmark);
-            m_bookmarkManager->root().moveBookmark(hiddenBookmark, previousBookmark);
-        }
-
-        m_bookmarkedItems.insert(newIndex, hiddenItem);
-    }
 }
 
 QString PlacesItemModel::internalMimeType() const
@@ -1035,7 +684,7 @@ int PlacesItemModel::groupedDropIndex(int index, const PlacesItem* item) const
     Q_ASSERT(item);
 
     int dropIndex = index;
-    const PlacesItem::GroupType type = item->groupType();
+    const QString group = item->group();
 
     const int itemCount = count();
     if (index < 0) {
@@ -1045,7 +694,7 @@ int PlacesItemModel::groupedDropIndex(int index, const PlacesItem* item) const
     // Search nearest previous item with the same group
     int previousIndex = -1;
     for (int i = dropIndex - 1; i >= 0; --i) {
-        if (placesItem(i)->groupType() == type) {
+        if (placesItem(i)->group() == group) {
             previousIndex = i;
             break;
         }
@@ -1054,7 +703,7 @@ int PlacesItemModel::groupedDropIndex(int index, const PlacesItem* item) const
     // Search nearest next item with the same group
     int nextIndex = -1;
     for (int i = dropIndex; i < count(); ++i) {
-        if (placesItem(i)->groupType() == type) {
+        if (placesItem(i)->group() == group) {
             nextIndex = i;
             break;
         }
@@ -1076,135 +725,60 @@ int PlacesItemModel::groupedDropIndex(int index, const PlacesItem* item) const
 
 bool PlacesItemModel::equalBookmarkIdentifiers(const KBookmark& b1, const KBookmark& b2)
 {
-    const QString udi1 = b1.metaDataItem("UDI");
-    const QString udi2 = b2.metaDataItem("UDI");
+    const QString udi1 = b1.metaDataItem(QStringLiteral("UDI"));
+    const QString udi2 = b2.metaDataItem(QStringLiteral("UDI"));
     if (!udi1.isEmpty() && !udi2.isEmpty()) {
         return udi1 == udi2;
     } else {
-        return b1.metaDataItem("ID") == b2.metaDataItem("ID");
+        return b1.metaDataItem(QStringLiteral("ID")) == b2.metaDataItem(QStringLiteral("ID"));
     }
 }
 
-QUrl PlacesItemModel::createTimelineUrl(const QUrl& url)
+int PlacesItemModel::mapFromSource(const QModelIndex &index) const
 {
-    // TODO: Clarify with the Baloo-team whether it makes sense
-    // provide default-timeline-URLs like 'yesterday', 'this month'
-    // and 'last month'.
-    QUrl timelineUrl;
-
-    const QString path = url.toDisplayString(QUrl::PreferLocalFile);
-    if (path.endsWith(QLatin1String("yesterday"))) {
-        const QDate date = QDate::currentDate().addDays(-1);
-        const int year = date.year();
-        const int month = date.month();
-        const int day = date.day();
-        timelineUrl = "timeline:/" + timelineDateString(year, month) +
-              '/' + timelineDateString(year, month, day);
-    } else if (path.endsWith(QLatin1String("thismonth"))) {
-        const QDate date = QDate::currentDate();
-        timelineUrl = "timeline:/" + timelineDateString(date.year(), date.month());
-    } else if (path.endsWith(QLatin1String("lastmonth"))) {
-        const QDate date = QDate::currentDate().addMonths(-1);
-        timelineUrl = "timeline:/" + timelineDateString(date.year(), date.month());
-    } else {
-        Q_ASSERT(path.endsWith(QLatin1String("today")));
-        timelineUrl= url;
+    if (!index.isValid()) {
+        return -1;
     }
 
-    return timelineUrl;
+    return m_indexMap.indexOf(index);
 }
 
-QString PlacesItemModel::timelineDateString(int year, int month, int day)
+bool PlacesItemModel::isDir(int index) const
 {
-    QString date = QString::number(year) + '-';
-    if (month < 10) {
-        date += '0';
-    }
-    date += QString::number(month);
-
-    if (day >= 1) {
-        date += '-';
-        if (day < 10) {
-            date += '0';
-        }
-        date += QString::number(day);
-    }
-
-    return date;
+    Q_UNUSED(index)
+    return true;
 }
 
-QUrl PlacesItemModel::createSearchUrl(const QUrl& url)
+KFilePlacesModel::GroupType PlacesItemModel::groupType(int row) const
 {
-    QUrl searchUrl;
-
-#ifdef HAVE_BALOO
-    const QString path = url.toDisplayString(QUrl::PreferLocalFile);
-    if (path.endsWith(QLatin1String("documents"))) {
-        searchUrl = searchUrlForType("Document");
-    } else if (path.endsWith(QLatin1String("images"))) {
-        searchUrl = searchUrlForType("Image");
-    } else if (path.endsWith(QLatin1String("audio"))) {
-        searchUrl = searchUrlForType("Audio");
-    } else if (path.endsWith(QLatin1String("videos"))) {
-        searchUrl = searchUrlForType("Video");
-    } else {
-        Q_ASSERT(false);
-    }
-#else
-    Q_UNUSED(url);
-#endif
-
-    return searchUrl;
+    return m_sourceModel->groupType(mapToSource(row));
 }
 
-#ifdef HAVE_BALOO
-QUrl PlacesItemModel::searchUrlForType(const QString& type)
+bool PlacesItemModel::isGroupHidden(KFilePlacesModel::GroupType type) const
 {
-    Baloo::Query query;
-    query.addType(type);
+    return m_sourceModel->isGroupHidden(type);
+}
 
-    return query.toSearchUrl();
+void PlacesItemModel::setGroupHidden(KFilePlacesModel::GroupType type, bool hidden)
+{
+    return m_sourceModel->setGroupHidden(type, hidden);
 }
-#endif
 
-#ifdef PLACESITEMMODEL_DEBUG
-void PlacesItemModel::showModelState()
+QModelIndex PlacesItemModel::mapToSource(int row) const
 {
-    qCDebug(DolphinDebug) << "=================================";
-    qCDebug(DolphinDebug) << "Model:";
-    qCDebug(DolphinDebug) << "hidden-index model-index   text";
-    int modelIndex = 0;
-    for (int i = 0; i < m_bookmarkedItems.count(); ++i) {
-        if (m_bookmarkedItems[i]) {
-            qCDebug(DolphinDebug) <<  i << "(Hidden)    " << "             " << m_bookmarkedItems[i]->dataValue("text").toString();
-        } else {
-            if (item(modelIndex)) {
-                qCDebug(DolphinDebug) <<  i << "          " << modelIndex << "           " << item(modelIndex)->dataValue("text").toString();
-            } else {
-                qCDebug(DolphinDebug) <<  i << "          " << modelIndex << "           " << "(not available yet)";
-            }
-            ++modelIndex;
-        }
-    }
+    return m_indexMap.value(row);
+}
 
-    qCDebug(DolphinDebug);
-    qCDebug(DolphinDebug) << "Bookmarks:";
-
-    int bookmarkIndex = 0;
-    KBookmarkGroup root = m_bookmarkManager->root();
-    KBookmark bookmark = root.first();
-    while (!bookmark.isNull()) {
-        const QString udi = bookmark.metaDataItem("UDI");
-        const QString text = udi.isEmpty() ? bookmark.text() : udi;
-        if (bookmark.metaDataItem("IsHidden") == QLatin1String("true")) {
-            qCDebug(DolphinDebug) << bookmarkIndex << "(Hidden)" << text;
-        } else {
-            qCDebug(DolphinDebug) << bookmarkIndex << "        " << text;
+PlacesItem *PlacesItemModel::itemFromBookmark(const KBookmark &bookmark) const
+{
+    const QString id = bookmarkId(bookmark);
+    for (int i = 0, iMax = count(); i < iMax; i++) {
+        PlacesItem *item = placesItem(i);
+        const KBookmark itemBookmark = item->bookmark();
+        if (bookmarkId(itemBookmark) == id) {
+            return item;
         }
-
-        bookmark = root.next(bookmark);
-        ++bookmarkIndex;
     }
+    return nullptr;
 }
-#endif