Retry initial sync (#19)

include/ChatPage.h

@@ -56,6 +56,7 @@ signals:
         void changeWindowTitle(const QString &msg);
         void unreadMessages(int count);
         void showNotification(const QString &msg);
+        void showLoginPage(const QString &msg);
 
 private slots:
         void showUnreadMessageNotification(int count);
@@ -74,6 +75,8 @@ private:
         void updateTypingUsers(const QString &roomid, const QList<QString> &user_ids);
         void updateDisplayNames(const RoomState &state);
         void loadStateFromCache();
+        void deleteConfigs();
+        void resetUI();
 
         QHBoxLayout *topLayout_;
         Splitter *splitter;
@@ -121,4 +124,8 @@ private:
 
         // LMDB wrapper.
         QSharedPointer<Cache> cache_;
+
+        // If the number of failures exceeds a certain threshold we
+        // return to the login page.
+        int initialSyncFailures = 0;
 };

include/LoginPage.h

@@ -43,6 +43,10 @@ public:
 signals:
         void backButtonClicked();
 
+public slots:
+        // Displays errors produced during the login.
+        void loginError(QString error_message);
+
 private slots:
         // Callback for the back button.
         void onBackButtonClicked();
@@ -56,9 +60,6 @@ private slots:
         // Callback for probing the manually entered server
         void onServerAddressEntered();
 
-        // Displays errors produced during the login.
-        void loginError(QString error_message);
-
         // Callback for errors produced during server probing
         void versionError(QString error_message);
 

include/MatrixClient.h

@@ -91,6 +91,7 @@ signals:
         // Returned profile data for the user's account.
         void getOwnProfileResponse(const QUrl &avatar_url, const QString &display_name);
         void initialSyncCompleted(const SyncResponse &response);
+        void initialSyncFailed(const QString &msg);
         void syncCompleted(const SyncResponse &response);
         void syncFailed(const QString &msg);
         void joinFailed(const QString &msg);