From 38bb5f1547e2a18d40a01fabf9b4478f5fe66130 Mon Sep 17 00:00:00 2001
From: Vishesh Handa <me@vhanda.in>
Date: Mon, 6 May 2013 18:41:21 +0530
Subject: [PATCH] Dolphin Places: React to Nepomuk system changes

Reload the places panel when Nepomuk starts up and shutsdown. This way
the user does not need to restart Dolphin to see the custom searches and
places after Nepomuk switches on.

BUG: 304918
REVIEW: 110323
---
 src/kitemviews/kstandarditemmodel.cpp |  9 ++++++
 src/kitemviews/kstandarditemmodel.h   |  1 +
 src/panels/places/placesitemmodel.cpp | 40 ++++++++++++++++++++++++++-
 src/panels/places/placesitemmodel.h   |  3 ++
 4 files changed, 52 insertions(+), 1 deletion(-)

diff --git a/src/kitemviews/kstandarditemmodel.cpp b/src/kitemviews/kstandarditemmodel.cpp
index dbf608c927..959d62cb8a 100644
--- a/src/kitemviews/kstandarditemmodel.cpp
+++ b/src/kitemviews/kstandarditemmodel.cpp
@@ -122,6 +122,15 @@ void KStandardItemModel::removeItem(int index)
     }
 }
 
+void KStandardItemModel::clear()
+{
+    int size = m_items.size();
+    m_items.clear();
+    m_indexesForItems.clear();
+
+    emit itemsRemoved(KItemRangeList() << KItemRange(0, size));
+}
+
 KStandardItem* KStandardItemModel::item(int index) const
 {
     if (index < 0 || index >= m_items.count()) {
diff --git a/src/kitemviews/kstandarditemmodel.h b/src/kitemviews/kstandarditemmodel.h
index 34032bf073..0debd6a6fc 100644
--- a/src/kitemviews/kstandarditemmodel.h
+++ b/src/kitemviews/kstandarditemmodel.h
@@ -78,6 +78,7 @@ public:
     virtual QString roleDescription(const QByteArray& role) const;
     virtual QList<QPair<int, QVariant> > groups() const;
 
+    virtual void clear();
 protected:
     /**
      * Is invoked after an item has been inserted and before the signal
diff --git a/src/panels/places/placesitemmodel.cpp b/src/panels/places/placesitemmodel.cpp
index 1acbb57719..caf6b75662 100644
--- a/src/panels/places/placesitemmodel.cpp
+++ b/src/panels/places/placesitemmodel.cpp
@@ -88,7 +88,11 @@ PlacesItemModel::PlacesItemModel(QObject* parent) :
     m_storageSetupInProgress()
 {
 #ifdef HAVE_NEPOMUK
-    if (Nepomuk2::ResourceManager::instance()->initialized()) {
+    Nepomuk2::ResourceManager* rm = Nepomuk2::ResourceManager::instance();
+    connect(rm, SIGNAL(nepomukSystemStarted()), this, SLOT(slotNepomukStarted()));
+    connect(rm, SIGNAL(nepomukSystemStopped()), this, SLOT(slotNepomukStopped()));
+
+    if (rm->initialized()) {
         KConfig config("nepomukserverrc");
         m_fileIndexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", true);
     }
@@ -949,6 +953,40 @@ void PlacesItemModel::createSystemBookmarks()
     }
 }
 
+void PlacesItemModel::clear() {
+    m_bookmarkedItems.clear();
+    KStandardItemModel::clear();
+}
+
+void PlacesItemModel::slotNepomukStarted()
+{
+    KConfig config("nepomukserverrc");
+    m_fileIndexingEnabled = config.group("Service-nepomukfileindexer").readEntry("autostart", true);
+    if (m_fileIndexingEnabled) {
+        m_systemBookmarks.clear();
+        m_systemBookmarksIndexes.clear();
+        createSystemBookmarks();
+
+        clear();
+        loadBookmarks();
+    }
+}
+
+void PlacesItemModel::slotNepomukStopped()
+{
+    if (m_fileIndexingEnabled) {
+        m_fileIndexingEnabled = false;
+
+        m_systemBookmarks.clear();
+        m_systemBookmarksIndexes.clear();
+        createSystemBookmarks();
+
+        clear();
+        loadBookmarks();
+    }
+}
+
+
 void PlacesItemModel::initializeAvailableDevices()
 {
     QString predicate("[[[[ StorageVolume.ignored == false AND [ StorageVolume.usage == 'FileSystem' OR StorageVolume.usage == 'Encrypted' ]]"
diff --git a/src/panels/places/placesitemmodel.h b/src/panels/places/placesitemmodel.h
index e42187860f..6938360332 100644
--- a/src/panels/places/placesitemmodel.h
+++ b/src/panels/places/placesitemmodel.h
@@ -133,6 +133,7 @@ public:
      */
     static KUrl convertedUrl(const KUrl& url);
 
+    virtual void clear();
 signals:
     void errorMessage(const QString& message);
     void storageSetupDone(int index, bool success);
@@ -163,6 +164,8 @@ private slots:
      */
     void saveBookmarks();
 
+    void slotNepomukStarted();
+    void slotNepomukStopped();
 private:
     struct SystemBookmarkData;