diff --git a/src/core/databasefactory.cpp b/src/core/databasefactory.cpp
index 9cdba6e37..f64265058 100644
--- a/src/core/databasefactory.cpp
+++ b/src/core/databasefactory.cpp
@@ -298,6 +298,12 @@ QSqlDatabase DatabaseFactory::connection(const QString &connection_name,
   }
 }
 
+void DatabaseFactory::removeConnection(const QString &connection_name) {
+  qDebug("Removing database connection '%s'.", qPrintable(connection_name));
+
+  QSqlDatabase::removeDatabase(connection_name);
+}
+
 void DatabaseFactory::saveMemoryDatabase() {
   QSqlDatabase database = connection();
   QSqlDatabase file_database = connection(objectName(), false);
diff --git a/src/core/databasefactory.h b/src/core/databasefactory.h
index 971e39037..9d8cb05fe 100644
--- a/src/core/databasefactory.h
+++ b/src/core/databasefactory.h
@@ -25,11 +25,7 @@ class DatabaseFactory : public QObject {
                             bool in_memory = true);
 
     // Removes connection.
-    inline void removeConnection(const QString &connection_name = QString()) {
-      qDebug("Removing database connection '%s'.", qPrintable(connection_name));
-
-      QSqlDatabase::removeDatabase(connection_name);
-    }
+    void removeConnection(const QString &connection_name = QString());
 
     // Performs saving of items from in-memory database
     // to file-based database.
diff --git a/src/core/feedsmodel.cpp b/src/core/feedsmodel.cpp
index 483f4ea86..399f410b9 100644
--- a/src/core/feedsmodel.cpp
+++ b/src/core/feedsmodel.cpp
@@ -317,7 +317,7 @@ void FeedsModel::reloadWholeLayout() {
 void FeedsModel::loadFromDatabase() {
   // Delete all childs of the root node and clear them from the memory.
   qDeleteAll(m_rootItem->childItems());
-  m_rootItem->clearChilds();
+  m_rootItem->clearChildren();
 
   QSqlDatabase database = DatabaseFactory::instance()->connection();
   CategoryAssignment categories;
diff --git a/src/core/feedsmodelrootitem.cpp b/src/core/feedsmodelrootitem.cpp
index 1e177063b..60b80b562 100755
--- a/src/core/feedsmodelrootitem.cpp
+++ b/src/core/feedsmodelrootitem.cpp
@@ -16,23 +16,7 @@ FeedsModelRootItem::~FeedsModelRootItem() {
   qDeleteAll(m_childItems);
 }
 
-FeedsModelRootItem::Kind FeedsModelRootItem::kind() const {
-  return m_kind;
-}
 
-QIcon FeedsModelRootItem::icon() const {
-  return m_icon;
-}
-
-void FeedsModelRootItem::appendChild(FeedsModelRootItem *child) {
-  m_childItems.append(child);
-  child->setParent(this);
-}
-
-int FeedsModelRootItem::columnCount() const {
-  // FeedsModel offers exactly two columns.
-  return 2;
-}
 
 int FeedsModelRootItem::row() const {
   if (m_parentItem) {
@@ -44,10 +28,6 @@ int FeedsModelRootItem::row() const {
   }
 }
 
-int FeedsModelRootItem::childCount() const {
-  return m_childItems.size();
-}
-
 QVariant FeedsModelRootItem::data(int column, int role) const {
   Q_UNUSED(column)
   Q_UNUSED(role)
@@ -76,34 +56,6 @@ int FeedsModelRootItem::countOfUnreadMessages() const {
   return total_count;
 }
 
-void FeedsModelRootItem::setIcon(const QIcon &icon) {
-  m_icon = icon;
-}
-
-int FeedsModelRootItem::id() const {
-  return m_id;
-}
-
-void FeedsModelRootItem::setId(int id) {
-  m_id = id;
-}
-
-QString FeedsModelRootItem::title() const {
-  return m_title;
-}
-
-void FeedsModelRootItem::setTitle(const QString &title) {
-  m_title = title;
-}
-
-QList<FeedsModelRootItem *> FeedsModelRootItem::childItems() const {
-  return m_childItems;
-}
-
-void FeedsModelRootItem::clearChilds() {
-  m_childItems.clear();
-}
-
 bool FeedsModelRootItem::removeChild(int index) {
   if (index >= 0 && index < m_childItems.size()) {
     m_childItems.removeAt(index);
@@ -114,25 +66,6 @@ bool FeedsModelRootItem::removeChild(int index) {
   }
 }
 
-
-
-QDateTime FeedsModelRootItem::creationDate() const {
-  return m_creationDate;
-}
-
-void FeedsModelRootItem::setCreationDate(const QDateTime &creation_date) {
-  m_creationDate = creation_date;
-}
-
-QString FeedsModelRootItem::description() const {
-  return m_description;
-}
-
-void FeedsModelRootItem::setDescription(const QString &description) {
-  m_description = description;
-}
-
-
 bool FeedsModelRootItem::isEqual(FeedsModelRootItem *lhs,
                                  FeedsModelRootItem *rhs) {
   return (lhs->kind() == rhs->kind()) && (lhs->id() == rhs->id());
diff --git a/src/core/feedsmodelrootitem.h b/src/core/feedsmodelrootitem.h
index e6719be06..fed4d7402 100755
--- a/src/core/feedsmodelrootitem.h
+++ b/src/core/feedsmodelrootitem.h
@@ -35,9 +35,20 @@ class FeedsModelRootItem {
       return m_childItems.value(row);
     }
 
-    virtual void appendChild(FeedsModelRootItem *child);
-    virtual int childCount() const;
-    virtual int columnCount() const;
+    inline virtual int childCount() const {
+      return m_childItems.size();
+    }
+
+    inline virtual int columnCount() const {
+      // FeedsModel offers exactly two columns.
+      return 2;
+    }
+
+    inline virtual void appendChild(FeedsModelRootItem *child) {
+      m_childItems.append(child);
+      child->setParent(this);
+    }
+
     virtual int row() const;
     virtual QVariant data(int column, int role) const;
 
@@ -46,38 +57,69 @@ class FeedsModelRootItem {
     virtual int countOfUnreadMessages() const;
     virtual int countOfAllMessages() const;
 
-    virtual Kind kind() const;
-
-    // Each item has icon.
-    QIcon icon() const;
-    void setIcon(const QIcon &icon);
-
-    // Each item has some kind of id.
-    int id() const;
-    void setId(int id);
-
-    // Each item has its title.
-    // NOTE: This is note entirely true for the root item.
-    QString title() const;
-    void setTitle(const QString &title);
-
-    QDateTime creationDate() const;
-    void setCreationDate(const QDateTime &creation_date);
-
-    QString description() const;
-    void setDescription(const QString &description);
-
     // Access to children.
-    QList<FeedsModelRootItem *> childItems() const;
+    inline QList<FeedsModelRootItem*> childItems() const {
+      return m_childItems;
+    }
 
     // Removes all children from this item.
     // NOTE: Children are NOT freed from the memory.
-    void clearChilds();
+    inline void clearChildren() {
+      m_childItems.clear();
+    }
 
     // Removes particular child at given index.
     // NOTE: Child is NOT freed from the memory.
     bool removeChild(int index);
 
+    inline Kind kind() const {
+      return m_kind;
+    }
+
+    // Each item has icon.
+    inline QIcon icon() const {
+      return m_icon;
+    }
+
+    inline void setIcon(const QIcon &icon) {
+      m_icon = icon;
+    }
+
+    // Each item has some kind of id.
+    inline int id() const {
+      return m_id;
+    }
+
+    inline void setId(int id) {
+      m_id = id;
+    }
+
+    // Each item has its title.
+    // NOTE: This is note entirely true for the root item.
+    inline QString title() const {
+      return m_title;
+    }
+
+    inline void setTitle(const QString &title) {
+      m_title = title;
+    }
+
+    inline QDateTime creationDate() const {
+      return m_creationDate;
+    }
+
+    inline void setCreationDate(const QDateTime &creation_date) {
+      m_creationDate = creation_date;
+    }
+
+    inline QString description() const {
+      return m_description;
+    }
+
+    inline void setDescription(const QString &description) {
+      m_description = description;
+    }
+
     // Compares two model items.
     static bool isEqual(FeedsModelRootItem *lhs, FeedsModelRootItem *rhs);
     static bool lessThan(FeedsModelRootItem *lhs, FeedsModelRootItem *rhs);
diff --git a/src/core/feedsmodelstandardfeed.cpp b/src/core/feedsmodelstandardfeed.cpp
index 23e4cc994..644f471a1 100755
--- a/src/core/feedsmodelstandardfeed.cpp
+++ b/src/core/feedsmodelstandardfeed.cpp
@@ -38,30 +38,6 @@ FeedsModelStandardFeed *FeedsModelStandardFeed::loadFromRecord(const QSqlRecord
   return feed;
 }
 
-QString FeedsModelStandardFeed::encoding() const {
-  return m_encoding;
-}
-
-void FeedsModelStandardFeed::setEncoding(const QString &encoding) {
-  m_encoding = encoding;
-}
-
-QString FeedsModelStandardFeed::url() const {
-  return m_url;
-}
-
-void FeedsModelStandardFeed::setUrl(const QString &url) {
-  m_url = url;
-}
-
-QString FeedsModelStandardFeed::language() const {
-  return m_language;
-}
-
-void FeedsModelStandardFeed::setLanguage(const QString &language) {
-  m_language = language;
-}
-
 QVariant FeedsModelStandardFeed::data(int column, int role) const {
   switch (role) {
     case Qt::DisplayRole:
@@ -131,8 +107,8 @@ QVariant FeedsModelStandardFeed::data(int column, int role) const {
 void FeedsModelStandardFeed::update() {
   QByteArray feed_contents;
   int download_timeout =  Settings::instance()->value(APP_CFG_FEEDS,
-                                                         "download_timeout",
-                                                         DOWNLOAD_TIMEOUT).toInt();
+                                                      "download_timeout",
+                                                      DOWNLOAD_TIMEOUT).toInt();
 
   // TODO: Provide download time-measures debugging
   // outputs here.
diff --git a/src/core/feedsmodelstandardfeed.h b/src/core/feedsmodelstandardfeed.h
index 4dd4dcc8d..cc2ab0510 100644
--- a/src/core/feedsmodelstandardfeed.h
+++ b/src/core/feedsmodelstandardfeed.h
@@ -25,14 +25,29 @@ class FeedsModelStandardFeed : public FeedsModelFeed {
     void update();
 
     // Various getters/setters.
-    QString encoding() const;
-    void setEncoding(const QString &encoding);
+    inline QString encoding() const {
+      return m_encoding;
+    }
 
-    QString url() const;
-    void setUrl(const QString &url);
+    inline void setEncoding(const QString &encoding) {
+      m_encoding = encoding;
+    }
 
-    QString language() const;
-    void setLanguage(const QString &language);
+    inline QString url() const {
+      return m_url;
+    }
+
+    inline void setUrl(const QString &url) {
+      m_url = url;
+    }
+
+    inline QString language() const {
+      return m_language;
+    }
+
+    inline void setLanguage(const QString &language) {
+      m_language = language;
+    }
 
     // Loads standard feed object from given SQL record.
     static FeedsModelStandardFeed *loadFromRecord(const QSqlRecord &record);
diff --git a/src/core/feedsproxymodel.cpp b/src/core/feedsproxymodel.cpp
index 5259cf69c..46cfba186 100755
--- a/src/core/feedsproxymodel.cpp
+++ b/src/core/feedsproxymodel.cpp
@@ -25,9 +25,7 @@ FeedsProxyModel::~FeedsProxyModel() {
   qDebug("Destroying FeedsProxyModel instance");
 }
 
-FeedsModel *FeedsProxyModel::sourceModel() {
-  return m_sourceModel;
-}
+
 
 bool FeedsProxyModel::lessThan(const QModelIndex &left,
                                const QModelIndex &right) const {
diff --git a/src/core/feedsproxymodel.h b/src/core/feedsproxymodel.h
index 42e1c5def..3e86045af 100755
--- a/src/core/feedsproxymodel.h
+++ b/src/core/feedsproxymodel.h
@@ -15,7 +15,9 @@ class FeedsProxyModel : public QSortFilterProxyModel {
     virtual ~FeedsProxyModel();
 
     // Access to the source model.
-    FeedsModel *sourceModel();
+    inline FeedsModel *sourceModel() {
+      return m_sourceModel;
+    }
 
     // Maps list of indexes.
     QModelIndexList mapListToSource(const QModelIndexList &indexes);
diff --git a/src/core/messagesmodel.cpp b/src/core/messagesmodel.cpp
index ade7690fd..14a50e6c5 100644
--- a/src/core/messagesmodel.cpp
+++ b/src/core/messagesmodel.cpp
@@ -32,10 +32,7 @@ MessagesModel::~MessagesModel() {
   qDebug("Destroying MessagesModel instance.");
 }
 
-bool MessagesModel::submitAll() {
-  qFatal("Submitting changes via model is not allowed.");
-  return false;
-}
+
 
 void MessagesModel::setupIcons() {
   m_favoriteIcon = IconThemeFactory::instance()->fromTheme("favorites");
@@ -55,9 +52,7 @@ void MessagesModel::setupFonts() {
   m_boldFont.setBold(true);
 }
 
-QList<int> MessagesModel::currentFeeds() const {
-  return m_currentFeeds;
-}
+
 
 void MessagesModel::loadMessages(const QList<int> feed_ids) { 
   m_currentFeeds = feed_ids;
diff --git a/src/core/messagesmodel.h b/src/core/messagesmodel.h
index 2c7e33166..88a354c3c 100644
--- a/src/core/messagesmodel.h
+++ b/src/core/messagesmodel.h
@@ -44,11 +44,17 @@ class MessagesModel : public QSqlTableModel {
     int messageId(int row_index) const;
 
     // Access to list of currently loaded feed IDs.
-    QList<int> currentFeeds() const;
+    inline QList<int> currentFeeds() const {
+      return m_currentFeeds;
+    }
 
   public slots:
     // To disable persistent changes submissions.
-    bool submitAll();
+    inline bool submitAll() {
+      qFatal("Submitting changes via model is not allowed.");
+
+      return false;
+    }
 
     // CORE messages manipulators.
     // NOTE: These are used to change properties of one message.
diff --git a/src/core/messagesproxymodel.cpp b/src/core/messagesproxymodel.cpp
index 46be6e5ed..a4071ece3 100644
--- a/src/core/messagesproxymodel.cpp
+++ b/src/core/messagesproxymodel.cpp
@@ -21,9 +21,7 @@ MessagesProxyModel::~MessagesProxyModel() {
   qDebug("Destroying MessagesProxyModel instance.");
 }
 
-MessagesModel *MessagesProxyModel::sourceModel() {
-  return m_sourceModel;
-}
+
 
 bool MessagesProxyModel::lessThan(const QModelIndex &left, const QModelIndex &right) const {
   // TODO: Maybe use QString::localeAwareCompare() here for
diff --git a/src/core/messagesproxymodel.h b/src/core/messagesproxymodel.h
index cbdf27b19..be04ef67a 100644
--- a/src/core/messagesproxymodel.h
+++ b/src/core/messagesproxymodel.h
@@ -15,7 +15,9 @@ class MessagesProxyModel : public QSortFilterProxyModel {
     virtual ~MessagesProxyModel();
 
     // Source model getter.
-    MessagesModel *sourceModel();
+    inline MessagesModel *sourceModel() {
+      return m_sourceModel;
+    }
 
     // Maps list of indexes.
     QModelIndexList mapListToSource(const QModelIndexList &indexes);
diff --git a/src/core/settings.cpp b/src/core/settings.cpp
index 1980eb6a6..766a15920 100644
--- a/src/core/settings.cpp
+++ b/src/core/settings.cpp
@@ -21,13 +21,12 @@ Settings::~Settings() {
   qDebug("Deleting Settings instance.");
 }
 
-Settings::Type Settings::type() const {
-  return m_initializationStatus;
-}
+
 
 
 QSettings::Status Settings::checkSettings() {
   qDebug("Syncing settings.");
+
   sync();
   return status();
 }
@@ -40,17 +39,9 @@ Settings *Settings::instance() {
   return s_instance;
 }
 
-QVariant Settings::value(const QString &section,
-                         const QString &key,
-                         const QVariant &default_value) {
-  return QSettings::value(QString("%1/%2").arg(section, key), default_value);
-}
 
-void Settings::setValue(const QString &section,
-                        const QString &key,
-                        const QVariant &value) {
-  QSettings::setValue(QString("%1/%2").arg(section, key), value);
-}
+
+
 
 QSettings::Status Settings::setupSettings() {
   // If settings file exists in executable file working directory
diff --git a/src/core/settings.h b/src/core/settings.h
index 29a9d5c98..aca50f34f 100644
--- a/src/core/settings.h
+++ b/src/core/settings.h
@@ -22,16 +22,22 @@ class Settings : public QSettings {
     virtual ~Settings();
 
     // Type of used settings.
-    Type type() const;
+    inline Type type() const {
+      return m_initializationStatus;
+    }
 
     // Getter/setter for settings values.
-    QVariant value(const QString &section,
+    inline QVariant value(const QString &section,
                    const QString &key,
-                   const QVariant &default_value = QVariant());
+                   const QVariant &default_value = QVariant()) {
+      return QSettings::value(QString("%1/%2").arg(section, key), default_value);
+    }
 
-    void setValue(const QString &section,
+    inline void setValue(const QString &section,
                   const QString &key,
-                  const QVariant &value);
+                  const QVariant &value) {
+      QSettings::setValue(QString("%1/%2").arg(section, key), value);
+    }
 
     // Synchronizes settings.
     QSettings::Status checkSettings();
diff --git a/src/core/systemfactory.cpp b/src/core/systemfactory.cpp
index 2d4f97c4a..41d2f1902 100644
--- a/src/core/systemfactory.cpp
+++ b/src/core/systemfactory.cpp
@@ -102,9 +102,7 @@ SystemFactory *SystemFactory::getInstance() {
   return s_instance;
 }
 
-QReadWriteLock *SystemFactory::applicationCloseLock() const {
-  return m_applicationCloseLock;
-}
+
 
 bool SystemFactory::setAutoStartStatus(const AutoStartStatus &new_status) {
   SystemFactory::AutoStartStatus current_status = SystemFactory::getAutoStartStatus();
diff --git a/src/core/systemfactory.h b/src/core/systemfactory.h
index 70b7ef23e..9fb869576 100644
--- a/src/core/systemfactory.h
+++ b/src/core/systemfactory.h
@@ -40,11 +40,14 @@ class SystemFactory : public QObject {
     QString getAutostartDesktopFileLocation();
 #endif
 
-    // Singleton getter.
-    static SystemFactory *getInstance();
 
     // Access to application-wide close lock.
-    QReadWriteLock *applicationCloseLock() const;
+    inline QReadWriteLock *applicationCloseLock() const {
+      return m_applicationCloseLock;
+    }
+
+    // Singleton getter.
+    static SystemFactory *getInstance();
 
   private:
     // This read-write lock is used by application on its close.
diff --git a/src/gui/feedmessageviewer.cpp b/src/gui/feedmessageviewer.cpp
index 442d395e0..a6c53782b 100644
--- a/src/gui/feedmessageviewer.cpp
+++ b/src/gui/feedmessageviewer.cpp
@@ -185,6 +185,8 @@ void FeedMessageViewer::createConnections() {
           m_feedDownloader, SLOT(updateFeeds(QList<FeedsModelFeed*>)));
   connect(m_feedDownloader, SIGNAL(finished()),
           this, SLOT(onFeedUpdatesFinished()));
+  connect(m_feedDownloader, SIGNAL(started()),
+          this, SLOT(onFeedUpdatesStarted()));
   connect(m_feedDownloader, SIGNAL(progress(FeedsModelFeed*,int,int)),
           this, SLOT(onFeedUpdatesProgress(FeedsModelFeed*,int,int)));
 
diff --git a/src/gui/feedsview.cpp b/src/gui/feedsview.cpp
index a55fd8c43..d20482f1e 100644
--- a/src/gui/feedsview.cpp
+++ b/src/gui/feedsview.cpp
@@ -32,13 +32,9 @@ FeedsView::~FeedsView() {
   qDebug("Destroying FeedsView instance.");
 }
 
-FeedsProxyModel *FeedsView::model() {
-  return m_proxyModel;
-}
 
-FeedsModel *FeedsView::sourceModel() {
-  return m_sourceModel;
-}
+
+
 
 void FeedsView::setSortingEnabled(bool enable) {
   QTreeView::setSortingEnabled(enable);
diff --git a/src/gui/feedsview.h b/src/gui/feedsview.h
index 6729b3c0a..8b15289bc 100644
--- a/src/gui/feedsview.h
+++ b/src/gui/feedsview.h
@@ -31,8 +31,13 @@ class FeedsView : public QTreeView {
     explicit FeedsView(QWidget *parent = 0);
     virtual ~FeedsView();
 
-    FeedsProxyModel *model();
-    FeedsModel *sourceModel();
+    inline FeedsProxyModel *model() {
+      return m_proxyModel;
+    }
+
+    inline FeedsModel *sourceModel() {
+      return m_sourceModel;
+    }
 
     // Enables or disables sorting.
     void setSortingEnabled(bool enable);
@@ -77,9 +82,6 @@ class FeedsView : public QTreeView {
     // Reloads counts for particular feed.
     void updateCountsOfParticularFeed(FeedsModelFeed *feed, bool update_total_too = true);
 
-    // TODO: pouzit metodu dole pro uvodni zobrazeni
-    // poctu v trayi
-
     // Notifies other components about messages
     // counts.
     inline void notifyWithCounts() {
diff --git a/src/gui/formcategorydetails.h b/src/gui/formcategorydetails.h
index bbd1ab715..785293d8d 100644
--- a/src/gui/formcategorydetails.h
+++ b/src/gui/formcategorydetails.h
@@ -38,7 +38,7 @@ class FormCategoryDetails : public QDialog {
     // and parent_item contains parent item of newly
     // created or edited category.
     // NOTE: Newly ADDED category is NOT added to the model NOR
-    // in the database.
+    // to the database.
     // NOTE: Newly EDITED category IS COPY of its original.
     // SO NO ORIGINAL MODEL DATA ARE EDITED OR CHANGED.
     FormCategoryDetailsAnswer exec(FeedsModelCategory *input_category,
diff --git a/src/gui/formmain.cpp b/src/gui/formmain.cpp
index 8dd7e83e9..679b70031 100755
--- a/src/gui/formmain.cpp
+++ b/src/gui/formmain.cpp
@@ -56,13 +56,9 @@ FormMain *FormMain::instance() {
   return s_instance;
 }
 
-QMenu *FormMain::trayMenu() {
-  return m_trayMenu;
-}
 
-TabWidget *FormMain::tabWidget() {
-  return m_ui->m_tabWidget;
-}
+
+
 
 QList<QAction*> FormMain::allActions() {
   QList<QAction*> actions;
@@ -95,9 +91,7 @@ QList<QAction*> FormMain::allActions() {
   return actions;
 }
 
-StatusBar *FormMain::statusBar() {
-  return m_statusBar;
-}
+
 
 void FormMain::prepareMenus() {
   // Setup menu for tray icon.
diff --git a/src/gui/formmain.h b/src/gui/formmain.h
index 1ac30a68d..4731a2160 100644
--- a/src/gui/formmain.h
+++ b/src/gui/formmain.h
@@ -23,19 +23,25 @@ class FormMain : public QMainWindow {
     virtual ~FormMain();
 
     // Returns menu for the tray icon.
-    QMenu *trayMenu();
+    inline QMenu *trayMenu() {
+      return m_trayMenu;
+    }
 
     // Returns global tab widget.
-    TabWidget *tabWidget();
+    inline TabWidget *tabWidget() {
+      return m_ui->m_tabWidget;
+    }
+
+    // Access to statusbar.
+    inline StatusBar *statusBar() {
+      return m_statusBar;
+    }
 
     // Returns list of all globally available actions.
     // NOTE: This is used for setting dynamic shortcuts
     // for given actions.
     QList<QAction*> allActions();
 
-    // Access to statusbar.
-    StatusBar *statusBar();
-
     // Singleton accessor.
     static FormMain *instance();