diff --git a/resources/desktop/appdata.xml b/resources/desktop/appdata.xml
new file mode 100755
index 000000000..98ddd00e1
--- /dev/null
+++ b/resources/desktop/appdata.xml
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+​<!-- Copyright 2017 Martin Rotter <rotter.martinos@gmail.com> -->
+​<component type="desktop-application">
+​  <id>com.github.rssguard</id>
+​  <metadata_license>GPL-3.0</metadata_license>
+​  <project_license>GPL-3.0</project_license>
+​  <name>RSS Guard </name>
+​  <summary>Simple (yet powerful) feed reader</summary>
+​  <description>
+​    <p>
+​      RSS Guard is simple (yet powerful) feed reader. It is able to fetch the most known feed formats, including RSS/RDF and ATOM. RSS Guard is developed on top of the Qt library
+​    </p>
+​  </description>
+​  <launchable type="desktop-id">rssguard.desktop</launchable>
+​  <screenshots>
+​    <screenshot type="default">
+​      <caption>Linux version</caption>
+​      <image>http://www.hughsie.com/en_US/main.png</image>
+​    </screenshot>
+    <screenshot>
+​      <caption>Windows version</caption>
+​      <image>http://www.hughsie.com/en_US/main.png</image>
+​    </screenshot>
+​  </screenshots>
+​  <url type="homepage">http://www.gnome.org/projects/en_US/gnome-power-manager</url>
+​  <project_group>GNOME</project_group>
+​  <provides>
+​    <binary>gnome-power-statistics</binary>
+​  </provides>
+​  <releases>
+​    <release version="3.12.2" date="2013-04-12">
+​      <description>
+​        <p>Fixes issues X, Y and Z</p>
+​      </description>
+​    </release>
+​  </releases>
+​</component>
\ No newline at end of file
diff --git a/resources/screenshots/screenshot-linux.png b/resources/screenshots/screenshot-linux.png
new file mode 100755
index 000000000..94cf6c422
Binary files /dev/null and b/resources/screenshots/screenshot-linux.png differ
diff --git a/resources/screenshots/screenshot-windows.png b/resources/screenshots/screenshot-windows.png
new file mode 100755
index 000000000..16cb896e1
Binary files /dev/null and b/resources/screenshots/screenshot-windows.png differ
diff --git a/rssguard.pro b/rssguard.pro
index bf98289d2..ac3480ceb 100755
--- a/rssguard.pro
+++ b/rssguard.pro
@@ -209,14 +209,16 @@ win32 {
 }
 
 CONFIG *= resources_big
-RESOURCES +=    resources/sql.qrc \
-                resources/rssguard.qrc
+RESOURCES += resources/sql.qrc \
+             resources/rssguard.qrc
 
 HEADERS +=  src/core/feeddownloader.h \
             src/core/feedsmodel.h \
             src/core/feedsproxymodel.h \
             src/core/message.h \
             src/core/messagesmodel.h \
+            src/core/messagesmodelcache.h \
+            src/core/messagesmodelsqllayer.h \
             src/core/messagesproxymodel.h \
             src/definitions/definitions.h \
             src/dynamic-shortcuts/dynamicshortcuts.h \
@@ -241,6 +243,7 @@ HEADERS +=  src/core/feeddownloader.h \
             src/gui/feedmessageviewer.h \
             src/gui/feedstoolbar.h \
             src/gui/feedsview.h \
+            src/gui/guiutilities.h \
             src/gui/labelwithstatus.h \
             src/gui/lineeditwithstatus.h \
             src/gui/messagebox.h \
@@ -248,6 +251,15 @@ HEADERS +=  src/core/feeddownloader.h \
             src/gui/messagestoolbar.h \
             src/gui/messagesview.h \
             src/gui/plaintoolbutton.h \
+            src/gui/settings/settingsbrowsermail.h \
+            src/gui/settings/settingsdatabase.h \
+            src/gui/settings/settingsdownloads.h \
+            src/gui/settings/settingsfeedsmessages.h \
+            src/gui/settings/settingsgeneral.h \
+            src/gui/settings/settingsgui.h \
+            src/gui/settings/settingslocalization.h \
+            src/gui/settings/settingspanel.h \
+            src/gui/settings/settingsshortcuts.h \
             src/gui/squeezelabel.h \
             src/gui/statusbar.h \
             src/gui/styleditemdelegatewithoutfocus.h \
@@ -257,6 +269,7 @@ HEADERS +=  src/core/feeddownloader.h \
             src/gui/tabwidget.h \
             src/gui/timespinbox.h \
             src/gui/toolbareditor.h \
+            src/gui/treeviewcolumnsmenu.h \
             src/gui/widgetwithstatus.h \
             src/miscellaneous/application.h \
             src/miscellaneous/autosaver.h \
@@ -264,6 +277,8 @@ HEADERS +=  src/core/feeddownloader.h \
             src/miscellaneous/databasefactory.h \
             src/miscellaneous/databasequeries.h \
             src/miscellaneous/debugging.h \
+            src/miscellaneous/externaltool.h \
+            src/miscellaneous/feedreader.h \
             src/miscellaneous/iconfactory.h \
             src/miscellaneous/iofactory.h \
             src/miscellaneous/localization.h \
@@ -278,6 +293,7 @@ HEADERS +=  src/core/feeddownloader.h \
             src/network-web/downloader.h \
             src/network-web/downloadmanager.h \
             src/network-web/networkfactory.h \
+            src/network-web/oauth2service.h \
             src/network-web/silentnetworkaccessmanager.h \
             src/network-web/webfactory.h \
             src/qtsingleapplication/qtlocalpeer.h \
@@ -285,6 +301,7 @@ HEADERS +=  src/core/feeddownloader.h \
             src/qtsingleapplication/qtsingleapplication.h \
             src/qtsingleapplication/qtsinglecoreapplication.h \
             src/services/abstract/accountcheckmodel.h \
+            src/services/abstract/cacheforserviceroot.h \
             src/services/abstract/category.h \
             src/services/abstract/feed.h \
             src/services/abstract/gui/formfeeddetails.h \
@@ -292,6 +309,18 @@ HEADERS +=  src/core/feeddownloader.h \
             src/services/abstract/rootitem.h \
             src/services/abstract/serviceentrypoint.h \
             src/services/abstract/serviceroot.h \
+            src/services/gmail/definitions.h \
+            src/services/gmail/gmailentrypoint.h \
+            src/services/gmail/gmailfeed.h \
+            src/services/gmail/gmailserviceroot.h \
+            src/services/gmail/gui/formeditgmailaccount.h \
+            src/services/gmail/network/gmailnetworkfactory.h \
+            src/services/inoreader/definitions.h \
+            src/services/inoreader/gui/formeditinoreaderaccount.h \
+            src/services/inoreader/inoreaderentrypoint.h \
+            src/services/inoreader/inoreaderfeed.h \
+            src/services/inoreader/inoreaderserviceroot.h \
+            src/services/inoreader/network/inoreadernetworkfactory.h \
             src/services/owncloud/definitions.h \
             src/services/owncloud/gui/formeditowncloudaccount.h \
             src/services/owncloud/gui/formowncloudfeeddetails.h \
@@ -299,47 +328,33 @@ HEADERS +=  src/core/feeddownloader.h \
             src/services/owncloud/owncloudfeed.h \
             src/services/owncloud/owncloudserviceentrypoint.h \
             src/services/owncloud/owncloudserviceroot.h \
+            src/services/standard/atomparser.h \
+            src/services/standard/feedparser.h \
             src/services/standard/gui/formstandardcategorydetails.h \
             src/services/standard/gui/formstandardfeeddetails.h \
             src/services/standard/gui/formstandardimportexport.h \
+            src/services/standard/rdfparser.h \
+            src/services/standard/rssparser.h \
             src/services/standard/standardcategory.h \
             src/services/standard/standardfeed.h \
             src/services/standard/standardfeedsimportexportmodel.h \
             src/services/standard/standardserviceentrypoint.h \
             src/services/standard/standardserviceroot.h \
             src/services/tt-rss/definitions.h \
+            src/services/tt-rss/gui/formeditttrssaccount.h \
             src/services/tt-rss/gui/formttrssfeeddetails.h \
             src/services/tt-rss/network/ttrssnetworkfactory.h \
             src/services/tt-rss/ttrssfeed.h \
             src/services/tt-rss/ttrssserviceentrypoint.h \
-            src/services/tt-rss/ttrssserviceroot.h \
-            src/gui/settings/settingspanel.h \
-            src/gui/settings/settingsgeneral.h \
-            src/gui/settings/settingsdatabase.h \
-            src/gui/settings/settingsshortcuts.h \
-            src/gui/settings/settingsgui.h \
-            src/gui/settings/settingslocalization.h \
-            src/gui/settings/settingsbrowsermail.h \
-            src/gui/settings/settingsfeedsmessages.h \
-            src/gui/settings/settingsdownloads.h \
-            src/miscellaneous/feedreader.h \
-            src/services/standard/atomparser.h \
-            src/services/standard/feedparser.h \
-            src/services/standard/rdfparser.h \
-            src/services/standard/rssparser.h \
-            src/services/abstract/cacheforserviceroot.h \
-            src/services/tt-rss/gui/formeditttrssaccount.h \
-            src/gui/guiutilities.h \
-            src/core/messagesmodelcache.h \
-            src/core/messagesmodelsqllayer.h \
-            src/gui/treeviewcolumnsmenu.h \
-            src/miscellaneous/externaltool.h
+            src/services/tt-rss/ttrssserviceroot.h
 
 SOURCES +=  src/core/feeddownloader.cpp \
             src/core/feedsmodel.cpp \
             src/core/feedsproxymodel.cpp \
             src/core/message.cpp \
             src/core/messagesmodel.cpp \
+            src/core/messagesmodelcache.cpp \
+            src/core/messagesmodelsqllayer.cpp \
             src/core/messagesproxymodel.cpp \
             src/dynamic-shortcuts/dynamicshortcuts.cpp \
             src/dynamic-shortcuts/dynamicshortcutswidget.cpp \
@@ -363,6 +378,7 @@ SOURCES +=  src/core/feeddownloader.cpp \
             src/gui/feedmessageviewer.cpp \
             src/gui/feedstoolbar.cpp \
             src/gui/feedsview.cpp \
+            src/gui/guiutilities.cpp \
             src/gui/labelwithstatus.cpp \
             src/gui/lineeditwithstatus.cpp \
             src/gui/messagebox.cpp \
@@ -370,6 +386,15 @@ SOURCES +=  src/core/feeddownloader.cpp \
             src/gui/messagestoolbar.cpp \
             src/gui/messagesview.cpp \
             src/gui/plaintoolbutton.cpp \
+            src/gui/settings/settingsbrowsermail.cpp \
+            src/gui/settings/settingsdatabase.cpp \
+            src/gui/settings/settingsdownloads.cpp \
+            src/gui/settings/settingsfeedsmessages.cpp \
+            src/gui/settings/settingsgeneral.cpp \
+            src/gui/settings/settingsgui.cpp \
+            src/gui/settings/settingslocalization.cpp \
+            src/gui/settings/settingspanel.cpp \
+            src/gui/settings/settingsshortcuts.cpp \
             src/gui/squeezelabel.cpp \
             src/gui/statusbar.cpp \
             src/gui/styleditemdelegatewithoutfocus.cpp \
@@ -379,6 +404,7 @@ SOURCES +=  src/core/feeddownloader.cpp \
             src/gui/tabwidget.cpp \
             src/gui/timespinbox.cpp \
             src/gui/toolbareditor.cpp \
+            src/gui/treeviewcolumnsmenu.cpp \
             src/gui/widgetwithstatus.cpp \
             src/main.cpp \
             src/miscellaneous/application.cpp \
@@ -387,6 +413,8 @@ SOURCES +=  src/core/feeddownloader.cpp \
             src/miscellaneous/databasefactory.cpp \
             src/miscellaneous/databasequeries.cpp \
             src/miscellaneous/debugging.cpp \
+            src/miscellaneous/externaltool.cpp \
+            src/miscellaneous/feedreader.cpp \
             src/miscellaneous/iconfactory.cpp \
             src/miscellaneous/iofactory.cpp \
             src/miscellaneous/localization.cpp \
@@ -400,6 +428,7 @@ SOURCES +=  src/core/feeddownloader.cpp \
             src/network-web/downloader.cpp \
             src/network-web/downloadmanager.cpp \
             src/network-web/networkfactory.cpp \
+            src/network-web/oauth2service.cpp \
             src/network-web/silentnetworkaccessmanager.cpp \
             src/network-web/webfactory.cpp \
             src/qtsingleapplication/qtlocalpeer.cpp \
@@ -407,6 +436,7 @@ SOURCES +=  src/core/feeddownloader.cpp \
             src/qtsingleapplication/qtsingleapplication.cpp \
             src/qtsingleapplication/qtsinglecoreapplication.cpp \
             src/services/abstract/accountcheckmodel.cpp \
+            src/services/abstract/cacheforserviceroot.cpp \
             src/services/abstract/category.cpp \
             src/services/abstract/feed.cpp \
             src/services/abstract/gui/formfeeddetails.cpp \
@@ -414,55 +444,46 @@ SOURCES +=  src/core/feeddownloader.cpp \
             src/services/abstract/rootitem.cpp \
             src/services/abstract/serviceentrypoint.cpp \
             src/services/abstract/serviceroot.cpp \
+            src/services/gmail/gmailentrypoint.cpp \
+            src/services/gmail/gmailfeed.cpp \
+            src/services/gmail/gmailserviceroot.cpp \
+            src/services/gmail/gui/formeditgmailaccount.cpp \
+            src/services/gmail/network/gmailnetworkfactory.cpp \
+            src/services/inoreader/gui/formeditinoreaderaccount.cpp \
+            src/services/inoreader/inoreaderentrypoint.cpp \
+            src/services/inoreader/inoreaderfeed.cpp \
+            src/services/inoreader/inoreaderserviceroot.cpp \
+            src/services/inoreader/network/inoreadernetworkfactory.cpp \
             src/services/owncloud/gui/formeditowncloudaccount.cpp \
             src/services/owncloud/gui/formowncloudfeeddetails.cpp \
             src/services/owncloud/network/owncloudnetworkfactory.cpp \
             src/services/owncloud/owncloudfeed.cpp \
             src/services/owncloud/owncloudserviceentrypoint.cpp \
             src/services/owncloud/owncloudserviceroot.cpp \
+            src/services/standard/atomparser.cpp \
+            src/services/standard/feedparser.cpp \
             src/services/standard/gui/formstandardcategorydetails.cpp \
             src/services/standard/gui/formstandardfeeddetails.cpp \
             src/services/standard/gui/formstandardimportexport.cpp \
+            src/services/standard/rdfparser.cpp \
+            src/services/standard/rssparser.cpp \
             src/services/standard/standardcategory.cpp \
             src/services/standard/standardfeed.cpp \
             src/services/standard/standardfeedsimportexportmodel.cpp \
             src/services/standard/standardserviceentrypoint.cpp \
             src/services/standard/standardserviceroot.cpp \
+            src/services/tt-rss/gui/formeditttrssaccount.cpp \
             src/services/tt-rss/gui/formttrssfeeddetails.cpp \
             src/services/tt-rss/network/ttrssnetworkfactory.cpp \
             src/services/tt-rss/ttrssfeed.cpp \
             src/services/tt-rss/ttrssserviceentrypoint.cpp \
-            src/services/tt-rss/ttrssserviceroot.cpp \
-            src/gui/settings/settingspanel.cpp \
-            src/gui/settings/settingsgeneral.cpp \
-            src/gui/settings/settingsdatabase.cpp \
-            src/gui/settings/settingsshortcuts.cpp \
-            src/gui/settings/settingsgui.cpp \
-            src/gui/settings/settingslocalization.cpp \
-            src/gui/settings/settingsbrowsermail.cpp \
-            src/gui/settings/settingsfeedsmessages.cpp \
-            src/gui/settings/settingsdownloads.cpp \
-            src/miscellaneous/feedreader.cpp \
-            src/services/standard/atomparser.cpp \
-            src/services/standard/feedparser.cpp \
-            src/services/standard/rdfparser.cpp \
-            src/services/standard/rssparser.cpp \
-            src/services/abstract/cacheforserviceroot.cpp \
-            src/services/tt-rss/gui/formeditttrssaccount.cpp \
-            src/gui/guiutilities.cpp \
-            src/core/messagesmodelcache.cpp \
-            src/core/messagesmodelsqllayer.cpp \
-            src/gui/treeviewcolumnsmenu.cpp \
-            src/miscellaneous/externaltool.cpp
+            src/services/tt-rss/ttrssserviceroot.cpp
 
 mac {
   OBJECTIVE_SOURCES += src/miscellaneous/disablewindowtabbing.mm
 }
 
-FORMS +=    src/gui/toolbareditor.ui \
-            src/network-web/downloaditem.ui \
-            src/network-web/downloadmanager.ui \
-            src/gui/dialogs/formabout.ui \
+FORMS +=    src/gui/dialogs/formabout.ui \
             src/gui/dialogs/formaddaccount.ui \
             src/gui/dialogs/formbackupdatabasesettings.ui \
             src/gui/dialogs/formdatabasecleanup.ui \
@@ -470,18 +491,23 @@ FORMS +=    src/gui/toolbareditor.ui \
             src/gui/dialogs/formrestoredatabasesettings.ui \
             src/gui/dialogs/formsettings.ui \
             src/gui/dialogs/formupdate.ui \
+            src/gui/settings/settingsbrowsermail.ui \
+            src/gui/settings/settingsdatabase.ui \
+            src/gui/settings/settingsdownloads.ui \
+            src/gui/settings/settingsfeedsmessages.ui \
+            src/gui/settings/settingsgeneral.ui \
+            src/gui/settings/settingsgui.ui \
+            src/gui/settings/settingslocalization.ui \
+            src/gui/settings/settingsshortcuts.ui \
+            src/gui/toolbareditor.ui \
+            src/network-web/downloaditem.ui \
+            src/network-web/downloadmanager.ui \
             src/services/abstract/gui/formfeeddetails.ui \
+            src/services/gmail/gui/formeditgmailaccount.ui \
+            src/services/inoreader/gui/formeditinoreaderaccount.ui \
             src/services/owncloud/gui/formeditowncloudaccount.ui \
             src/services/standard/gui/formstandardcategorydetails.ui \
             src/services/standard/gui/formstandardimportexport.ui \
-            src/gui/settings/settingsgeneral.ui \
-            src/gui/settings/settingsdatabase.ui \
-            src/gui/settings/settingsshortcuts.ui \
-            src/gui/settings/settingsgui.ui \
-            src/gui/settings/settingslocalization.ui \
-            src/gui/settings/settingsbrowsermail.ui \
-            src/gui/settings/settingsfeedsmessages.ui \
-            src/gui/settings/settingsdownloads.ui \
             src/services/tt-rss/gui/formeditttrssaccount.ui
 
 equals(USE_WEBENGINE, true) {
@@ -492,20 +518,7 @@ equals(USE_WEBENGINE, true) {
                 src/network-web/googlesuggest.h \
                 src/network-web/webpage.h \
                 src/network-web/rssguardschemehandler.h \
-                src/services/inoreader/definitions.h \
-                src/services/inoreader/inoreaderentrypoint.h \
-                src/services/inoreader/network/inoreadernetworkfactory.h \
-                src/services/inoreader/inoreaderserviceroot.h \
-                src/services/inoreader/gui/formeditinoreaderaccount.h \
-                src/services/inoreader/inoreaderfeed.h \
-                src/network-web/oauth2service.h \
-                src/gui/dialogs/oauthlogin.h \
-                src/services/gmail/definitions.h \
-                src/services/gmail/gmailentrypoint.h \
-                src/services/gmail/gmailserviceroot.h \
-                src/services/gmail/gmailfeed.h \
-                src/services/gmail/network/gmailnetworkfactory.h \
-                src/services/gmail/gui/formeditgmailaccount.h
+                src/gui/dialogs/oauthlogin.h
 
   SOURCES +=    src/gui/locationlineedit.cpp \
                 src/gui/webviewer.cpp \
@@ -514,18 +527,7 @@ equals(USE_WEBENGINE, true) {
                 src/network-web/googlesuggest.cpp \
                 src/network-web/webpage.cpp \
                 src/network-web/rssguardschemehandler.cpp \
-                src/services/inoreader/inoreaderentrypoint.cpp \
-                src/services/inoreader/network/inoreadernetworkfactory.cpp \
-                src/services/inoreader/inoreaderserviceroot.cpp \
-                src/services/inoreader/gui/formeditinoreaderaccount.cpp \
-                src/services/inoreader/inoreaderfeed.cpp \
-                src/network-web/oauth2service.cpp \
-                src/gui/dialogs/oauthlogin.cpp \
-                src/services/gmail/gmailentrypoint.cpp \
-                src/services/gmail/gmailserviceroot.cpp \
-                src/services/gmail/gmailfeed.cpp \
-                src/services/gmail/network/gmailnetworkfactory.cpp \
-                src/services/gmail/gui/formeditgmailaccount.cpp
+                src/gui/dialogs/oauthlogin.cpp
 
   # Add AdBlock sources.
   HEADERS +=    src/network-web/adblock/adblockaddsubscriptiondialog.h \
@@ -559,9 +561,7 @@ equals(USE_WEBENGINE, true) {
 
   FORMS +=      src/network-web/adblock/adblockaddsubscriptiondialog.ui \
                 src/network-web/adblock/adblockdialog.ui \
-                src/services/inoreader/gui/formeditinoreaderaccount.ui \
-                src/gui/dialogs/oauthlogin.ui \
-                src/services/gmail/gui/formeditgmailaccount.ui
+                src/gui/dialogs/oauthlogin.ui
 }
 else {
   HEADERS +=    src/gui/messagepreviewer.h \
diff --git a/src/main.cpp b/src/main.cpp
index 8d4c334b2..20bc9189c 100755
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -175,21 +175,22 @@ int main(int argc, char* argv[]) {
   qApp->showPolls();
   qApp->mainForm()->tabWidget()->feedMessageViewer()->feedsView()->loadAllExpandStates();
 
-  OAuth2Service* srv = new OAuth2Service(
+/*
+   OAuth2Service* srv = new OAuth2Service(
     "https://accounts.google.com/o/oauth2/auth",
     "https://accounts.google.com/o/oauth2/token",
     "369069180494-j66bgeciouinec1eem7fhvj6qm0as7q3.apps.googleusercontent.com",
     "vppQtxrEeBkImiXcjGYl9NxZ",
     "https://mail.google.com/");
 
-  srv->setRefreshToken("1/RKE3oohSoTHE54L0IPflvndK-DcI7l0of3lVdLa1Q9Q");
-  QObject::connect(srv, &OAuth2Service::authCodeObtained, [](QString auth_code) {
+   //srv->setRefreshToken("1/RKE3oohSoTHE54L0IPflvndK-DcI7l0of3lVdLa1Q9Q");
+   QObject::connect(srv, &OAuth2Service::authCodeObtained, [](QString auth_code) {
     int a = 5;
-  });
-  QObject::connect(srv, &OAuth2Service::authFailed, []() {
+   });
+   QObject::connect(srv, &OAuth2Service::authFailed, []() {
     int a = 5;
-  });
-  QObject::connect(srv, &OAuth2Service::tokensReceived, [srv](QString acc, QString ref, int exp) {
+   });
+   QObject::connect(srv, &OAuth2Service::tokensReceived, [srv](QString acc, QString ref, int exp) {
 
     QHttpMultiPart* multi = new QHttpMultiPart(srv);
     QHttpPart p1;
@@ -221,11 +222,11 @@ int main(int argc, char* argv[]) {
     });
 
     int a = 5;
-  });
-  QObject::connect(srv, &OAuth2Service::tokensRetrieveError, [](QString err, QString desc) {
+   });
+   QObject::connect(srv, &OAuth2Service::tokensRetrieveError, [](QString err, QString desc) {
     int a = 5;
-  });
-  srv->login();
+   });
+   srv->login();*/
 
   // Enter global event loop.
   return Application::exec();
diff --git a/src/miscellaneous/databasequeries.cpp b/src/miscellaneous/databasequeries.cpp
index a4606bbf6..f510cda95 100755
--- a/src/miscellaneous/databasequeries.cpp
+++ b/src/miscellaneous/databasequeries.cpp
@@ -21,7 +21,15 @@
 #include "miscellaneous/application.h"
 #include "miscellaneous/iconfactory.h"
 #include "miscellaneous/textfactory.h"
+#include "network-web/oauth2service.h"
 #include "services/abstract/category.h"
+#include "services/gmail/definitions.h"
+#include "services/gmail/gmailserviceroot.h"
+#include "services/gmail/network/gmailnetworkfactory.h"
+#include "services/inoreader/definitions.h"
+#include "services/inoreader/inoreaderfeed.h"
+#include "services/inoreader/inoreaderserviceroot.h"
+#include "services/inoreader/network/inoreadernetworkfactory.h"
 #include "services/owncloud/definitions.h"
 #include "services/owncloud/network/owncloudnetworkfactory.h"
 #include "services/owncloud/owncloudfeed.h"
@@ -33,16 +41,6 @@
 #include "services/tt-rss/ttrssfeed.h"
 #include "services/tt-rss/ttrssserviceroot.h"
 
-#if defined(USE_WEBENGINE)
-#include "network-web/oauth2service.h"
-#include "services/gmail/gmailserviceroot.h"
-#include "services/gmail/network/gmailnetworkfactory.h"
-#include "services/inoreader/definitions.h"
-#include "services/inoreader/inoreaderfeed.h"
-#include "services/inoreader/inoreaderserviceroot.h"
-#include "services/inoreader/network/inoreadernetworkfactory.h"
-#endif
-
 #include <QSqlError>
 #include <QUrl>
 #include <QVariant>
@@ -1493,7 +1491,6 @@ Assignment DatabaseQueries::getCategories(QSqlDatabase db, int account_id, bool*
   return categories;
 }
 
-#if defined(USE_WEBENGINE)
 QList<ServiceRoot*> DatabaseQueries::getGmailAccounts(QSqlDatabase db, bool* ok) {
   QSqlQuery query(db);
 
@@ -1530,6 +1527,15 @@ QList<ServiceRoot*> DatabaseQueries::getGmailAccounts(QSqlDatabase db, bool* ok)
   return roots;
 }
 
+bool DatabaseQueries::deleteGmailAccount(QSqlDatabase db, int account_id) {
+  QSqlQuery q(db);
+
+  q.setForwardOnly(true);
+  q.prepare(QSL("DELETE FROM GmailAccounts WHERE id = :id;"));
+  q.bindValue(QSL(":id"), account_id);
+  return q.exec();
+}
+
 bool DatabaseQueries::deleteInoreaderAccount(QSqlDatabase db, int account_id) {
   QSqlQuery q(db);
 
@@ -1624,6 +1630,56 @@ QList<ServiceRoot*> DatabaseQueries::getInoreaderAccounts(QSqlDatabase db, bool*
   return roots;
 }
 
+bool DatabaseQueries::overwriteGmailAccount(QSqlDatabase db, const QString& username, const QString& app_id,
+                                            const QString& app_key, const QString& redirect_url,
+                                            const QString& refresh_token, int batch_size, int account_id) {
+  QSqlQuery query(db);
+
+  query.prepare("UPDATE GmailAccounts "
+                "SET username = :username, app_id = :app_id, app_key = :app_key, "
+                "redirect_url = :redirect_url, refresh_token = :refresh_token , msg_limit = :msg_limit "
+                "WHERE id = :id;");
+  query.bindValue(QSL(":username"), username);
+  query.bindValue(QSL(":app_id"), app_id);
+  query.bindValue(QSL(":app_key"), app_key);
+  query.bindValue(QSL(":redirect_url"), redirect_url);
+  query.bindValue(QSL(":refresh_token"), refresh_token);
+  query.bindValue(QSL(":id"), account_id);
+  query.bindValue(QSL(":msg_limit"), batch_size <= 0 ? GMAIL_DEFAULT_BATCH_SIZE : batch_size);
+
+  if (query.exec()) {
+    return true;
+  }
+  else {
+    qWarning("Gmail: Updating account failed: '%s'.", qPrintable(query.lastError().text()));
+    return false;
+  }
+}
+
+bool DatabaseQueries::createGmailAccount(QSqlDatabase db, int id_to_assign, const QString& username,
+                                         const QString& app_id, const QString& app_key, const QString& redirect_url,
+                                         const QString& refresh_token, int batch_size) {
+  QSqlQuery q(db);
+
+  q.prepare("INSERT INTO GmailAccounts (id, username, app_id, app_key, redirect_url, refresh_token, msg_limit) "
+            "VALUES (:id, :username, :app_id, :app_key, :redirect_url, :refresh_token, :msg_limit);");
+  q.bindValue(QSL(":id"), id_to_assign);
+  q.bindValue(QSL(":username"), username);
+  q.bindValue(QSL(":app_id"), app_id);
+  q.bindValue(QSL(":app_key"), app_key);
+  q.bindValue(QSL(":redirect_url"), redirect_url);
+  q.bindValue(QSL(":refresh_token"), refresh_token);
+  q.bindValue(QSL(":msg_limit"), batch_size <= 0 ? GMAIL_DEFAULT_BATCH_SIZE : batch_size);
+
+  if (q.exec()) {
+    return true;
+  }
+  else {
+    qWarning("Gmail: Inserting of new account failed: '%s'.", qPrintable(q.lastError().text()));
+    return false;
+  }
+}
+
 bool DatabaseQueries::overwriteInoreaderAccount(QSqlDatabase db, const QString& username, const QString& app_id,
                                                 const QString& app_key, const QString& redirect_url,
                                                 const QString& refresh_token, int batch_size, int account_id) {
@@ -1674,8 +1730,6 @@ bool DatabaseQueries::createInoreaderAccount(QSqlDatabase db, int id_to_assign,
   }
 }
 
-#endif
-
 Assignment DatabaseQueries::getTtRssFeeds(QSqlDatabase db, int account_id, bool* ok) {
   Assignment feeds;
 
diff --git a/src/miscellaneous/databasequeries.h b/src/miscellaneous/databasequeries.h
index d53bb25cf..1a16a548c 100755
--- a/src/miscellaneous/databasequeries.h
+++ b/src/miscellaneous/databasequeries.h
@@ -78,10 +78,15 @@ class DatabaseQueries {
                              int auto_update_interval);
     static Assignment getCategories(QSqlDatabase db, int account_id, bool* ok = nullptr);
 
-#if defined(USE_WEBENGINE)
-
     // Gmail account.
+    static bool deleteGmailAccount(QSqlDatabase db, int account_id);
     static QList<ServiceRoot*> getGmailAccounts(QSqlDatabase db, bool* ok = nullptr);
+    static bool overwriteGmailAccount(QSqlDatabase db, const QString& username, const QString& app_id,
+                                      const QString& app_key, const QString& redirect_url, const QString& refresh_token,
+                                      int batch_size, int account_id);
+    static bool createGmailAccount(QSqlDatabase db, int id_to_assign, const QString& username,
+                                   const QString& app_id, const QString& app_key, const QString& redirect_url,
+                                   const QString& refresh_token, int batch_size);
 
     // Inoreader account.
     static bool deleteInoreaderAccount(QSqlDatabase db, int account_id);
@@ -94,7 +99,6 @@ class DatabaseQueries {
     static bool createInoreaderAccount(QSqlDatabase db, int id_to_assign, const QString& username,
                                        const QString& app_id, const QString& app_key, const QString& redirect_url,
                                        const QString& refresh_token, int batch_size);
-#endif
 
     // ownCloud account.
     static QList<ServiceRoot*> getOwnCloudAccounts(QSqlDatabase db, bool* ok = nullptr);
diff --git a/src/miscellaneous/feedreader.cpp b/src/miscellaneous/feedreader.cpp
index 9e65476bc..fcc2693b4 100755
--- a/src/miscellaneous/feedreader.cpp
+++ b/src/miscellaneous/feedreader.cpp
@@ -18,13 +18,6 @@
 
 #include "miscellaneous/feedreader.h"
 
-#include "services/abstract/serviceroot.h"
-
-#if defined(USE_WEBENGINE)
-#include "services/gmail/gmailentrypoint.h"
-#include "services/inoreader/inoreaderentrypoint.h"
-#endif
-
 #include "core/feeddownloader.h"
 #include "core/feedsmodel.h"
 #include "core/feedsproxymodel.h"
@@ -34,6 +27,9 @@
 #include "miscellaneous/databasecleaner.h"
 #include "miscellaneous/mutex.h"
 #include "services/abstract/cacheforserviceroot.h"
+#include "services/abstract/serviceroot.h"
+#include "services/gmail/gmailentrypoint.h"
+#include "services/inoreader/inoreaderentrypoint.h"
 #include "services/owncloud/owncloudserviceentrypoint.h"
 #include "services/standard/standardserviceentrypoint.h"
 #include "services/tt-rss/ttrssserviceentrypoint.h"
@@ -70,10 +66,8 @@ FeedReader::~FeedReader() {
 QList<ServiceEntryPoint*> FeedReader::feedServices() {
   if (m_feedServices.isEmpty()) {
     // NOTE: All installed services create their entry points here.
-#if defined(USE_WEBENGINE)
     m_feedServices.append(new GmailEntryPoint());
     m_feedServices.append(new InoreaderEntryPoint());
-#endif
     m_feedServices.append(new OwnCloudServiceEntryPoint());
     m_feedServices.append(new StandardServiceEntryPoint());
     m_feedServices.append(new TtRssServiceEntryPoint());
diff --git a/src/network-web/oauth2service.cpp b/src/network-web/oauth2service.cpp
index e25389110..5ad2c74ff 100755
--- a/src/network-web/oauth2service.cpp
+++ b/src/network-web/oauth2service.cpp
@@ -41,10 +41,13 @@
 #include "network-web/oauth2service.h"
 
 #include "definitions/definitions.h"
-#include "gui/dialogs/oauthlogin.h"
 #include "miscellaneous/application.h"
 #include "services/inoreader/definitions.h"
 
+#if defined(USE_WEBENGINE)
+#include "gui/dialogs/oauthlogin.h"
+#endif
+
 #include <QDebug>
 #include <QJsonDocument>
 #include <QJsonObject>
@@ -70,7 +73,7 @@ OAuth2Service::OAuth2Service(QString authUrl, QString tokenUrl, QString clientId
 
 QString OAuth2Service::bearer() {
   if (!isFullyLoggedIn()) {
-    qApp->showGuiMessage(tr("Inoreader: you have to login first"),
+    qApp->showGuiMessage(tr("You have to login first"),
                          tr("Click here to login."),
                          QSystemTrayIcon::Critical,
                          nullptr, false,
@@ -165,13 +168,13 @@ void OAuth2Service::refreshAccessToken(QString refresh_token) {
 }
 
 void OAuth2Service::tokenRequestFinished(QNetworkReply* network_reply) {
-  QJsonDocument json_document = QJsonDocument::fromJson(network_reply->readAll());
+  QByteArray repl = network_reply->readAll();
+  QJsonDocument json_document = QJsonDocument::fromJson(repl);
   QJsonObject root_obj = json_document.object();
+  auto cod = network_reply->error();
 
   qDebug() << "Token response:" << json_document.toJson();
 
-  IOFactory::writeTextFile("c.json", json_document.toJson());
-
   if (root_obj.keys().contains("error")) {
     QString error = root_obj.value("error").toString();
     QString error_description = root_obj.value("error_description").toString();
@@ -293,6 +296,8 @@ void OAuth2Service::retrieveAuthCode() {
                                          "prompt=consent&access_type=offline").arg(m_clientId,
                                                                                    m_scope,
                                                                                    m_redirectUrl);
+
+#if defined(USE_WEBENGINE)
   OAuthLogin login_page(qApp->mainFormWidget());
 
   connect(&login_page, &OAuthLogin::authGranted, this, &OAuth2Service::authCodeObtained);
@@ -306,4 +311,7 @@ void OAuth2Service::retrieveAuthCode() {
                        QSystemTrayIcon::MessageIcon::Information);
 
   login_page.login(auth_url, m_redirectUrl);
+#endif
+
+  // TODO: For non-webengine version, user http-server and login via external browser.
 }
diff --git a/src/services/gmail/definitions.h b/src/services/gmail/definitions.h
index e048f9f08..4090abad6 100755
--- a/src/services/gmail/definitions.h
+++ b/src/services/gmail/definitions.h
@@ -23,6 +23,8 @@
 #define GMAIL_OAUTH_TOKEN_URL     "https://accounts.google.com/o/oauth2/token"
 #define GMAIL_OAUTH_SCOPE         "https://mail.google.com/"
 
+#define GMAIL_API_LABELS_LIST     "https://www.googleapis.com/gmail/v1/users/me/labels"
+
 #define GMAIL_DEFAULT_BATCH_SIZE  100
 #define GMAIL_MAX_BATCH_SIZE      999
 #define GMAIL_MIN_BATCH_SIZE      20
diff --git a/src/services/gmail/gmailentrypoint.cpp b/src/services/gmail/gmailentrypoint.cpp
index 1220a30bd..fe6a89e79 100755
--- a/src/services/gmail/gmailentrypoint.cpp
+++ b/src/services/gmail/gmailentrypoint.cpp
@@ -26,10 +26,19 @@
 #include "services/gmail/gmailserviceroot.h"
 #include "services/gmail/gui/formeditgmailaccount.h"
 
+#include <QMessageBox>
+
 ServiceRoot* GmailEntryPoint::createNewRoot() const {
+#if defined(USE_WEBENGINE)
   FormEditGmailAccount form_acc(qApp->mainFormWidget());
 
   return form_acc.execForCreate();
+#else
+  QMessageBox::warning(qApp->mainFormWidget(),
+                       QObject::tr("Not supported"),
+                       QObject::tr("This plugin is not supported in NonWebEngine variant of this program."));
+  return nullptr;
+#endif
 }
 
 QList<ServiceRoot*> GmailEntryPoint::initializeSubtree() const {
@@ -43,7 +52,7 @@ bool GmailEntryPoint::isSingleInstanceService() const {
 }
 
 QString GmailEntryPoint::name() const {
-  return QSL("Gmail (not yet implemented)");
+  return QSL("Gmail");
 }
 
 QString GmailEntryPoint::code() const {
diff --git a/src/services/gmail/gmailserviceroot.cpp b/src/services/gmail/gmailserviceroot.cpp
index 68a2e8d22..a5b20f87e 100755
--- a/src/services/gmail/gmailserviceroot.cpp
+++ b/src/services/gmail/gmailserviceroot.cpp
@@ -64,37 +64,33 @@ void GmailServiceRoot::saveAccountDataToDatabase() {
   QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
 
   if (accountId() != NO_PARENT_CATEGORY) {
-    // TODO: dodělat
-
-    /*if (DatabaseQueries::overwriteInoreaderAccount(database, m_network->userName(),
-                                                   m_network->oauth()->clientId(),
-                                                   m_network->oauth()->clientSecret(),
-                                                   m_network->oauth()->redirectUrl(),
-                                                   m_network->oauth()->refreshToken(),
-                                                   m_network->batchSize(),
-                                                   accountId())) {
-       updateTitle();
-       itemChanged(QList<RootItem*>() << this);
-       }*/
+    if (DatabaseQueries::overwriteGmailAccount(database, m_network->userName(),
+                                               m_network->oauth()->clientId(),
+                                               m_network->oauth()->clientSecret(),
+                                               m_network->oauth()->redirectUrl(),
+                                               m_network->oauth()->refreshToken(),
+                                               m_network->batchSize(),
+                                               accountId())) {
+      updateTitle();
+      itemChanged(QList<RootItem*>() << this);
+    }
   }
   else {
     bool saved;
     int id_to_assign = DatabaseQueries::createAccount(database, code(), &saved);
 
     if (saved) {
-      // TODO: dodělat
-
-      /*if (DatabaseQueries::createInoreaderAccount(database, id_to_assign,
-                                                  m_network->userName(),
-                                                  m_network->oauth()->clientId(),
-                                                  m_network->oauth()->clientSecret(),
-                                                  m_network->oauth()->redirectUrl(),
-                                                  m_network->oauth()->refreshToken(),
-                                                  m_network->batchSize())) {
-         setId(id_to_assign);
-         setAccountId(id_to_assign);
-         updateTitle();
-         }*/
+      if (DatabaseQueries::createGmailAccount(database, id_to_assign,
+                                              m_network->userName(),
+                                              m_network->oauth()->clientId(),
+                                              m_network->oauth()->clientSecret(),
+                                              m_network->oauth()->redirectUrl(),
+                                              m_network->oauth()->refreshToken(),
+                                              m_network->batchSize())) {
+        setId(id_to_assign);
+        setAccountId(id_to_assign);
+        updateTitle();
+      }
     }
   }
 }
@@ -158,10 +154,7 @@ QString GmailServiceRoot::additionalTooltip() const {
 }
 
 RootItem* GmailServiceRoot::obtainNewTreeForSyncIn() const {
-  // TODO: dodělat
-  return nullptr;
-
-  //return m_network->feedsCategories(true);
+  return m_network->feedsCategories();
 }
 
 void GmailServiceRoot::addNewFeed(const QString& url) {
@@ -215,7 +208,7 @@ bool GmailServiceRoot::canBeDeleted() const {
 bool GmailServiceRoot::deleteViaGui() {
   QSqlDatabase database = qApp->database()->connection(metaObject()->className(), DatabaseFactory::FromSettings);
 
-  if (DatabaseQueries::deleteInoreaderAccount(database, accountId())) {
+  if (DatabaseQueries::deleteGmailAccount(database, accountId())) {
     return ServiceRoot::deleteViaGui();
   }
   else {
diff --git a/src/services/gmail/gui/formeditgmailaccount.cpp b/src/services/gmail/gui/formeditgmailaccount.cpp
index 64470a586..c0ee06bd1 100755
--- a/src/services/gmail/gui/formeditgmailaccount.cpp
+++ b/src/services/gmail/gui/formeditgmailaccount.cpp
@@ -79,8 +79,7 @@ void FormEditGmailAccount::testSetup() {
   if (m_oauth->login()) {
     m_ui.m_lblTestResult->setStatus(WidgetWithStatus::StatusType::Ok,
                                     tr("You are already logged in."),
-                                    tr("Access granted. \
-  "));
+                                    tr("Access granted."));
   }
 }
 
diff --git a/src/services/gmail/network/gmailnetworkfactory.cpp b/src/services/gmail/network/gmailnetworkfactory.cpp
index 646f5631a..f52e3d561 100755
--- a/src/services/gmail/network/gmailnetworkfactory.cpp
+++ b/src/services/gmail/network/gmailnetworkfactory.cpp
@@ -76,7 +76,7 @@ void GmailNetworkFactory::initializeOauth() {
       DatabaseQueries::storeNewInoreaderTokens(database, refresh_token, m_service->accountId());
 
       qApp->showGuiMessage(tr("Logged in successfully"),
-                           tr("Your login to Inoreader was authorized."),
+                           tr("Your login to Gmail was authorized."),
                            QSystemTrayIcon::MessageIcon::Information);
     }
   });
@@ -86,7 +86,7 @@ void GmailNetworkFactory::setUsername(const QString& username) {
   m_username = username;
 }
 
-RootItem* GmailNetworkFactory::feedsCategories(bool obtain_icons) {
+RootItem* GmailNetworkFactory::feedsCategories() {
   Downloader downloader;
   QEventLoop loop;
   QString bearer = m_oauth2->bearer().toLocal8Bit();
@@ -95,13 +95,13 @@ RootItem* GmailNetworkFactory::feedsCategories(bool obtain_icons) {
     return nullptr;
   }
 
-  downloader.appendRawHeader(QString("Authorization").toLocal8Bit(), bearer.toLocal8Bit());
+  downloader.appendRawHeader(QString(HTTP_HEADERS_AUTHORIZATION).toLocal8Bit(), bearer.toLocal8Bit());
 
   // We need to quit event loop when the download finishes.
   connect(&downloader, &Downloader::completed, &loop, &QEventLoop::quit);
 
   // TODO: dodělat
-  //downloader.manipulateData(INOREADER_API_LIST_LABELS, QNetworkAccessManager::Operation::GetOperation);
+  downloader.manipulateData(GMAIL_API_LABELS_LIST, QNetworkAccessManager::Operation::GetOperation);
   loop.exec();
 
   if (downloader.lastOutputError() != QNetworkReply::NetworkError::NoError) {
@@ -110,17 +110,7 @@ RootItem* GmailNetworkFactory::feedsCategories(bool obtain_icons) {
 
   QString category_data = downloader.lastOutputData();
 
-  // TODO: dodělat
-  //downloader.manipulateData(INOREADER_API_LIST_FEEDS, QNetworkAccessManager::Operation::GetOperation);
-  loop.exec();
-
-  if (downloader.lastOutputError() != QNetworkReply::NetworkError::NoError) {
-    return nullptr;
-  }
-
-  QString feed_data = downloader.lastOutputData();
-
-  return decodeFeedCategoriesData(category_data, feed_data, obtain_icons);
+  return decodeFeedCategoriesData(category_data);
 }
 
 QList<Message> GmailNetworkFactory::messages(const QString& stream_id, Feed::Status& error) {
@@ -382,9 +372,9 @@ QList<Message> GmailNetworkFactory::decodeMessages(const QString& messages_json_
   return messages;
 }
 
-RootItem* GmailNetworkFactory::decodeFeedCategoriesData(const QString& categories, const QString& feeds, bool obtain_icons) {
+RootItem* GmailNetworkFactory::decodeFeedCategoriesData(const QString& categories) {
   RootItem* parent = new RootItem();
-  QJsonArray json = QJsonDocument::fromJson(categories.toUtf8()).object()["tags"].toArray();
+  QJsonArray json = QJsonDocument::fromJson(categories.toUtf8()).object()["labels"].toArray();
 
   QMap<QString, RootItem*> cats;
   cats.insert(QString(), parent);
@@ -392,7 +382,22 @@ RootItem* GmailNetworkFactory::decodeFeedCategoriesData(const QString& categorie
   foreach (const QJsonValue& obj, json) {
     auto label = obj.toObject();
     QString label_id = label["id"].toString();
+    QString label_name = label["name"].toString();
+    QString label_type = label["type"].toString();
 
+    if (label_name.contains(QL1C('/'))) {
+      // We have nested labels.
+    }
+    else {
+      GmailFeed* feed = new GmailFeed();
+
+      feed->setTitle(label_name);
+      feed->setCustomId(label_id);
+
+      parent->appendChild(feed);
+    }
+
+/*
     if (label_id.contains(QSL("/label/"))) {
       // We have label (not "state").
       Category* category = new Category();
@@ -405,12 +410,13 @@ RootItem* GmailNetworkFactory::decodeFeedCategoriesData(const QString& categorie
 
       // All categories in ownCloud are top-level.
       parent->appendChild(category);
-    }
+    }*/
   }
 
-  json = QJsonDocument::fromJson(feeds.toUtf8()).object()["subscriptions"].toArray();
+/*
+   json = QJsonDocument::fromJson(feeds.toUtf8()).object()["subscriptions"].toArray();
 
-  foreach (const QJsonValue& obj, json) {
+   foreach (const QJsonValue& obj, json) {
     auto subscription = obj.toObject();
     QString id = subscription["id"].toString();
     QString title = subscription["title"].toString();
@@ -435,28 +441,10 @@ RootItem* GmailNetworkFactory::decodeFeedCategoriesData(const QString& categorie
     feed->setTitle(title);
     feed->setCustomId(id);
 
-    if (obtain_icons) {
-      QString icon_url = subscription["iconUrl"].toString();
-
-      if (!icon_url.isEmpty()) {
-        QByteArray icon_data;
-
-        if (NetworkFactory::performNetworkOperation(icon_url, DOWNLOAD_TIMEOUT,
-                                                    QByteArray(), icon_data,
-                                                    QNetworkAccessManager::GetOperation).first == QNetworkReply::NoError) {
-          // Icon downloaded, set it up.
-          QPixmap icon_pixmap;
-
-          icon_pixmap.loadFromData(icon_data);
-          feed->setIcon(QIcon(icon_pixmap));
-        }
-      }
-    }
-
     if (cats.contains(parent_label)) {
       cats[parent_label]->appendChild(feed);
     }
-  }
+   }*/
 
   return parent;
 }
diff --git a/src/services/gmail/network/gmailnetworkfactory.h b/src/services/gmail/network/gmailnetworkfactory.h
index d720a2623..8ea8a4d5b 100755
--- a/src/services/gmail/network/gmailnetworkfactory.h
+++ b/src/services/gmail/network/gmailnetworkfactory.h
@@ -52,7 +52,7 @@ class GmailNetworkFactory : public QObject {
     // Returns tree of feeds/categories.
     // Top-level root of the tree is not needed here.
     // Returned items do not have primary IDs assigned.
-    RootItem* feedsCategories(bool obtain_icons);
+    RootItem* feedsCategories();
 
     QList<Message> messages(const QString& stream_id, Feed::Status& error);
     void markMessagesRead(RootItem::ReadStatus status, const QStringList& custom_ids, bool async = true);
@@ -64,7 +64,7 @@ class GmailNetworkFactory : public QObject {
 
   private:
     QList<Message> decodeMessages(const QString& messages_json_data, const QString& stream_id);
-    RootItem* decodeFeedCategoriesData(const QString& categories, const QString& feeds, bool obtain_icons);
+    RootItem* decodeFeedCategoriesData(const QString& categories);
 
     void initializeOauth();
 
diff --git a/src/services/inoreader/inoreaderentrypoint.cpp b/src/services/inoreader/inoreaderentrypoint.cpp
index 3cf65b58b..2c636a06e 100755
--- a/src/services/inoreader/inoreaderentrypoint.cpp
+++ b/src/services/inoreader/inoreaderentrypoint.cpp
@@ -27,10 +27,19 @@
 #include "services/inoreader/inoreaderserviceroot.h"
 #include "services/inoreader/network/inoreadernetworkfactory.h"
 
+#include <QMessageBox>
+
 ServiceRoot* InoreaderEntryPoint::createNewRoot() const {
+#if defined(USE_WEBENGINE)
   FormEditInoreaderAccount form_acc(qApp->mainFormWidget());
 
   return form_acc.execForCreate();
+#else
+  QMessageBox::warning(qApp->mainFormWidget(),
+                       QObject::tr("Not supported"),
+                       QObject::tr("This plugin is not supported in NonWebEngine variant of this program."));
+  return nullptr;
+#endif
 }
 
 QList<ServiceRoot*> InoreaderEntryPoint::initializeSubtree() const {