Introduce online-only mode as non-default option, fixes #77

qml/pages/CoverPage.qml

@@ -67,7 +67,7 @@ CoverBackground {
         coverPage.authenticated = (tdLibWrapper.getAuthorizationState() === TelegramAPI.AuthorizationReady);
         coverPage.connectionState = tdLibWrapper.getConnectionState();
         coverPage.unreadMessages = tdLibWrapper.getUnreadMessageInformation().unread_count || 0;
-        coverPage.unreadChats = tdLibWrapper.getUnreadChatInformation().unread_count;
+        coverPage.unreadChats = tdLibWrapper.getUnreadChatInformation().unread_count || 0;
         setUnreadInfoText();
     }
 
@@ -91,6 +91,15 @@ CoverBackground {
         }
     }
 
+    Connections {
+        target: chatListModel
+        onUnreadStateChanged: {
+            coverPage.unreadMessages = unreadMessagesCount;
+            coverPage.unreadChats = unreadChatsCount;
+            setUnreadInfoText();
+        }
+    }
+
     BackgroundImage {
         id: backgroundImage
         width: parent.height - Theme.paddingLarge

qml/pages/OverviewPage.qml

@@ -87,6 +87,7 @@ Page {
         id: updateSecondaryContentTimer
         interval: 600
         onTriggered: {
+            chatListModel.calculateUnreadState();
             tdLibWrapper.getRecentStickers();
             tdLibWrapper.getInstalledStickerSets();
             tdLibWrapper.getContacts();
@@ -192,11 +193,15 @@ Page {
         onChatLastMessageUpdated: {
             if (!overviewPage.chatListCreated) {
                 chatListCreatedTimer.restart();
+            } else {
+                chatListModel.calculateUnreadState();
             }
         }
         onChatOrderUpdated: {
             if (!overviewPage.chatListCreated) {
                 chatListCreatedTimer.restart();
+            } else {
+                chatListModel.calculateUnreadState();
             }
         }
         onChatsReceived: {

qml/pages/SettingsPage.qml

@@ -172,6 +172,16 @@ Page {
                 }
             }
 
+            TextSwitch {
+                checked: appSettings.onlineOnlyMode
+                text: qsTr("Enable online-only mode")
+                description: qsTr("Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.")
+                automaticCheck: false
+                onClicked: {
+                    appSettings.onlineOnlyMode = !checked
+                }
+            }
+
             Item {
                 width: 1
                 height: Theme.paddingLarge // Some space at the bottom

src/appsettings.cpp

@@ -30,6 +30,7 @@ namespace {
     const QString KEY_NOTIFICATION_FEEDBACK("notificationFeedback");
     const QString KEY_STORAGE_OPTIMIZER("storageOptimizer");
     const QString KEY_REMAINING_INTERACTION_HINTS("remainingInteractionHints");
+    const QString KEY_ONLINE_ONLY_MODE("onlineOnlyMode");
 }
 
 AppSettings::AppSettings(QObject *parent) : QObject(parent), settings("harbour-fernschreiber", "settings")
@@ -161,3 +162,17 @@ void AppSettings::setRemainingInteractionHints(int remainingHints)
         emit remainingInteractionHintsChanged();
     }
 }
+
+bool AppSettings::onlineOnlyMode() const
+{
+    return settings.value(KEY_ONLINE_ONLY_MODE, false).toBool();
+}
+
+void AppSettings::setOnlineOnlyMode(bool enable)
+{
+    if (onlineOnlyMode() != enable) {
+        LOG(KEY_ONLINE_ONLY_MODE << enable);
+        settings.setValue(KEY_ONLINE_ONLY_MODE, enable);
+        emit onlineOnlyModeChanged();
+    }
+}

src/appsettings.h

@@ -32,6 +32,7 @@ class AppSettings : public QObject {
     Q_PROPERTY(NotificationFeedback notificationFeedback READ notificationFeedback WRITE setNotificationFeedback NOTIFY notificationFeedbackChanged)
     Q_PROPERTY(bool storageOptimizer READ storageOptimizer WRITE setStorageOptimizer NOTIFY storageOptimizerChanged)
     Q_PROPERTY(int remainingInteractionHints READ remainingInteractionHints WRITE setRemainingInteractionHints NOTIFY remainingInteractionHintsChanged)
+    Q_PROPERTY(bool onlineOnlyMode READ onlineOnlyMode WRITE setOnlineOnlyMode NOTIFY onlineOnlyModeChanged)
 
 public:
     enum NotificationFeedback {
@@ -71,6 +72,9 @@ public:
     int remainingInteractionHints() const;
     void setRemainingInteractionHints(int remainingHints);
 
+    bool onlineOnlyMode() const;
+    void setOnlineOnlyMode(bool enable);
+
 signals:
     void sendByEnterChanged();
     void focusTextAreaAfterSendChanged();
@@ -81,6 +85,7 @@ signals:
     void notificationFeedbackChanged();
     void storageOptimizerChanged();
     void remainingInteractionHintsChanged();
+    void onlineOnlyModeChanged();
 
 private:
     QSettings settings;

src/chatlistmodel.cpp

@@ -19,6 +19,7 @@
 
 #include "chatlistmodel.h"
 #include "fernschreiberutils.h"
+#include <QListIterator>
 
 #define DEBUG_MODULE ChatListModel
 #include "debuglog.h"
@@ -353,9 +354,10 @@ QVector<int> ChatListModel::ChatData::updateSecretChat(const QVariantMap &secret
     return changedRoles;
 }
 
-ChatListModel::ChatListModel(TDLibWrapper *tdLibWrapper) : showHiddenChats(false)
+ChatListModel::ChatListModel(TDLibWrapper *tdLibWrapper, AppSettings *appSettings) : showHiddenChats(false)
 {
     this->tdLibWrapper = tdLibWrapper;
+    this->appSettings = appSettings;
     connect(tdLibWrapper, SIGNAL(newChatDiscovered(QString, QVariantMap)), this, SLOT(handleChatDiscovered(QString, QVariantMap)));
     connect(tdLibWrapper, SIGNAL(chatLastMessageUpdated(QString, QString, QVariantMap)), this, SLOT(handleChatLastMessageUpdated(QString, QString, QVariantMap)));
     connect(tdLibWrapper, SIGNAL(chatOrderUpdated(QString, QString)), this, SLOT(handleChatOrderUpdated(QString, QString)));
@@ -519,6 +521,26 @@ int ChatListModel::updateChatOrder(int chatIndex)
     return newIndex;
 }
 
+void ChatListModel::calculateUnreadState()
+{
+    if (this->appSettings->onlineOnlyMode()) {
+        LOG("Online-only mode: Calculating unread state on my own...");
+        int unreadMessages = 0;
+        int unreadChats = 0;
+        QListIterator<ChatData*> chatIterator(this->chatList);
+        while (chatIterator.hasNext()) {
+            ChatData *currentChat = chatIterator.next();
+            int unreadCount = currentChat->unreadCount();
+            if (unreadCount > 0) {
+                unreadChats++;
+                unreadMessages += unreadCount;
+            }
+        }
+        LOG("Online-only mode: New unread state:" << unreadMessages << unreadChats);
+        emit unreadStateChanged(unreadMessages, unreadChats);
+    }
+}
+
 void ChatListModel::addVisibleChat(ChatData *chat)
 {
     const int n = chatList.size();
@@ -719,6 +741,7 @@ void ChatListModel::handleChatReadInboxUpdated(const QString &id, const QString
             }
             const QModelIndex modelIndex(index(chatIndex));
             emit dataChanged(modelIndex, modelIndex, changedRoles);
+            this->calculateUnreadState();
         } else {
             ChatData *chat = hiddenChats.value(chatId);
             if (chat) {

src/chatlistmodel.h

@@ -22,6 +22,7 @@
 
 #include <QAbstractListModel>
 #include "tdlibwrapper.h"
+#include "appsettings.h"
 
 class ChatListModel : public QAbstractListModel
 {
@@ -53,7 +54,7 @@ public:
         RoleDraftMessageDate
     };
 
-    ChatListModel(TDLibWrapper *tdLibWrapper);
+    ChatListModel(TDLibWrapper *tdLibWrapper, AppSettings *appSettings);
     ~ChatListModel() override;
 
     virtual QHash<int,QByteArray> roleNames() const override;
@@ -63,6 +64,7 @@ public:
     Q_INVOKABLE void redrawModel();
     Q_INVOKABLE QVariantMap get(int row);
     Q_INVOKABLE QVariantMap getById(qlonglong chatId);
+    Q_INVOKABLE void calculateUnreadState();
 
     bool showAllChats() const;
     void setShowAllChats(bool showAll);
@@ -89,6 +91,7 @@ signals:
     void showAllChatsChanged();
     void chatChanged(const qlonglong &changedChatId);
     void chatJoined(const qlonglong &chatId, const QString &chatTitle);
+    void unreadStateChanged(int unreadMessagesCount, int unreadChatsCount);
 
 private:
     class ChatData;
@@ -99,6 +102,7 @@ private:
 
 private:
     TDLibWrapper *tdLibWrapper;
+    AppSettings *appSettings;
     QTimer *relativeTimeRefreshTimer;
     QList<ChatData*> chatList;
     QHash<qlonglong,int> chatIndexMap;

src/harbour-fernschreiber.cpp

@@ -87,7 +87,7 @@ int main(int argc, char *argv[])
     DBusAdaptor *dBusAdaptor = tdLibWrapper->getDBusAdaptor();
     context->setContextProperty("dBusAdaptor", dBusAdaptor);
 
-    ChatListModel chatListModel(tdLibWrapper);
+    ChatListModel chatListModel(tdLibWrapper, appSettings);
     context->setContextProperty("chatListModel", &chatListModel);
     QSortFilterProxyModel chatListProxyModel(view.data());
     chatListProxyModel.setSourceModel(&chatListModel);

src/tdlibwrapper.cpp

@@ -1476,9 +1476,10 @@ void TDLibWrapper::setInitialParameters()
     initialParameters.insert("api_id", TDLIB_API_ID);
     initialParameters.insert("api_hash", TDLIB_API_HASH);
     initialParameters.insert("database_directory", QStandardPaths::writableLocation(QStandardPaths::AppDataLocation) + "/tdlib");
-    initialParameters.insert("use_file_database", true);
+    bool onlineOnlyMode = this->appSettings->onlineOnlyMode();
-    initialParameters.insert("use_chat_info_database", true);
+    initialParameters.insert("use_file_database", !onlineOnlyMode);
-    initialParameters.insert("use_message_database", true);
+    initialParameters.insert("use_chat_info_database", !onlineOnlyMode);
+    initialParameters.insert("use_message_database", !onlineOnlyMode);
     initialParameters.insert("use_secret_chats", true);
     initialParameters.insert("system_language_code", QLocale::system().name());
     QSettings hardwareSettings("/etc/hw-release", QSettings::NativeFormat);

translations/harbour-fernschreiber-de.ts

@@ -1433,6 +1433,14 @@
         <source>Focus the text input area after sending a message</source>
         <translation>Fokussiert die Texteingabe nach Senden einer Nachricht</translation>
     </message>
+    <message>
+        <source>Enable online-only mode</source>
+        <translation>Nur-Online-Modus einschalten</translation>
+    </message>
+    <message>
+        <source>Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.</source>
+        <translation>Schaltet das Offline-Caching aus. Bestimmte Features können in diesem Modus eingeschränkt sein oder fehlen. Änderungen erfordern einen Neustart von Fernschreiber, um in Kraft zu treten.</translation>
+    </message>
 </context>
 <context>
     <name>StickerPicker</name>

translations/harbour-fernschreiber-en.ts

@@ -177,11 +177,11 @@
     </message>
     <message>
         <source>Unmute Chat</source>
-        <translation type="unfinished">Unmute Chat</translation>
+        <translation>Unmute Chat</translation>
     </message>
     <message>
         <source>Mute Chat</source>
-        <translation type="unfinished">Mute Chat</translation>
+        <translation>Mute Chat</translation>
     </message>
 </context>
 <context>
@@ -1433,6 +1433,14 @@
         <source>Focus the text input area after sending a message</source>
         <translation>Focus the text input area after sending a message</translation>
     </message>
+    <message>
+        <source>Enable online-only mode</source>
+        <translation>Enable online-only mode</translation>
+    </message>
+    <message>
+        <source>Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.</source>
+        <translation>Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.</translation>
+    </message>
 </context>
 <context>
     <name>StickerPicker</name>

translations/harbour-fernschreiber-es.ts

@@ -1412,6 +1412,14 @@
         <source>Focus the text input area after sending a message</source>
         <translation>Enfoca el área de entrada de texto después de enviar un mensaje</translation>
     </message>
+    <message>
+        <source>Enable online-only mode</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>StickerPicker</name>

translations/harbour-fernschreiber-fi.ts

@@ -1434,6 +1434,14 @@
         <source>Focus the text input area after sending a message</source>
         <translation>Kohdista tekstinsyöttökenttä viestin lähetyksen jälkeen</translation>
     </message>
+    <message>
+        <source>Enable online-only mode</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>StickerPicker</name>

translations/harbour-fernschreiber-hu.ts

@@ -1412,6 +1412,14 @@
         <source>Focus the text input area after sending a message</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>Enable online-only mode</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>StickerPicker</name>

translations/harbour-fernschreiber-it.ts

@@ -1433,6 +1433,14 @@
         <source>Focus the text input area after sending a message</source>
         <translation>Mantieni la tastiera in primo piano dopo aver inviato un messaggio</translation>
     </message>
+    <message>
+        <source>Enable online-only mode</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>StickerPicker</name>

translations/harbour-fernschreiber-pl.ts

@@ -1454,6 +1454,14 @@
         <source>Focus the text input area after sending a message</source>
         <translation>Po wysłaniu wiadomości zaznacz pole wprowadzania tekstu</translation>
     </message>
+    <message>
+        <source>Enable online-only mode</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>StickerPicker</name>

translations/harbour-fernschreiber-ru.ts

@@ -1454,6 +1454,14 @@
         <source>Focus the text input area after sending a message</source>
         <translation>Сфокусироваться на поле ввода текста после отправки сообщения</translation>
     </message>
+    <message>
+        <source>Enable online-only mode</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>StickerPicker</name>

translations/harbour-fernschreiber-sv.ts

@@ -1433,6 +1433,14 @@
         <source>Focus the text input area after sending a message</source>
         <translation>Fokusera textinmatningsfältet efter att ett meddelande skickats</translation>
     </message>
+    <message>
+        <source>Enable online-only mode</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>StickerPicker</name>

translations/harbour-fernschreiber-zh_CN.ts

@@ -1413,6 +1413,14 @@
         <source>Focus the text input area after sending a message</source>
         <translation>发送消息后聚焦文本输入区域</translation>
     </message>
+    <message>
+        <source>Enable online-only mode</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>StickerPicker</name>

translations/harbour-fernschreiber.ts

@@ -1433,6 +1433,14 @@
         <source>Focus the text input area after sending a message</source>
         <translation type="unfinished"></translation>
     </message>
+    <message>
+        <source>Enable online-only mode</source>
+        <translation type="unfinished"></translation>
+    </message>
+    <message>
+        <source>Disables offline caching. Certain features may be limited or missing in this mode. Changes require a restart of Fernschreiber to take effect.</source>
+        <translation type="unfinished"></translation>
+    </message>
 </context>
 <context>
     <name>StickerPicker</name>