Force list item update after changed chats

qml/components/ProfileThumbnail.qml

@@ -26,6 +26,7 @@ Item {
 
     property variant photoData;
     property string replacementStringHint: "X"
+    property bool forceElementUpdate: false
 
     function getReplacementString() {
         if (replacementStringHint.length > 2) {
@@ -43,7 +44,7 @@ Item {
         return replacementStringHint;
     }
 
-    Component.onCompleted: {
+    function updatePicture() {
         if (typeof photoData === "object") {
             if (photoData.local.is_downloading_completed) {
                 singleImage.source = photoData.local.path;
@@ -53,6 +54,27 @@ Item {
         }
     }
 
+    Timer {
+        id: updatePictureTimer
+        interval: 100
+        running: false
+        repeat: false
+        onTriggered: {
+            updatePicture();
+        }
+    }
+
+    Component.onCompleted: {
+        updatePictureTimer.start();
+    }
+
+    onPhotoDataChanged: {
+        if (profileThumbnail.forceElementUpdate) {
+            updatePictureTimer.stop();
+            updatePictureTimer.start();
+        }
+    }
+
     Connections {
         target: tdLibWrapper
         onFileUpdated: {

qml/pages/OverviewPage.qml

@@ -44,16 +44,6 @@ Page {
         }
     }
 
-    Timer {
-        id: synchronizeChangesTimer
-        interval: 60000
-        running: false
-        repeat: true
-        onTriggered: {
-            chatListModel.enableDeltaUpdates();
-        }
-    }
-
     Timer {
         id: chatListCreatedTimer
         interval: 500
@@ -62,8 +52,6 @@ Page {
         onTriggered: {
             overviewPage.chatListCreated = true;
             chatListModel.enableDeltaUpdates();
-            // Sometimes delta updates are not properly displayed, enforce list redraw from time to time
-            synchronizeChangesTimer.start();
         }
     }
 
@@ -223,6 +211,20 @@ Page {
                         // pageStack.push(Qt.resolvedUrl("../pages/ConversationPage.qml"), { "conversationModel" : display, "myUserId": overviewPage.myUser.id_str, "configuration": overviewPage.configuration });
                     }
 
+                    Connections {
+                        target: chatListModel
+                        onChatChanged: {
+                            if (overviewPage.chatListCreated) {
+                                // Force update of all list item elements. dataChanged() doesn't seem to trigger them all :(
+                                chatListPictureThumbnail.photoData = (typeof display.photo !== "undefined") ? display.photo.small : "";
+                                chatUnreadMessagesCount.text = display.unread_count > 99 ? "99+" : display.unread_count;
+                                chatListNameText.text = display.title !== "" ? Emoji.emojify(display.title, Theme.fontSizeMedium) : qsTr("Unknown");
+                                chatListLastMessageText.text = (typeof display.last_message !== "undefined") ? Emoji.emojify(Functions.getSimpleMessageText(display.last_message), Theme.fontSizeExtraSmall) : qsTr("Unknown");
+                                messageContactTimeElapsedText.text = (typeof display.last_message !== "undefined") ? Functions.getDateTimeElapsed(display.last_message.date) : qsTr("Unknown");
+                            }
+                        }
+                    }
+
                     Column {
                         id: chatListColumn
                         width: parent.width - ( 2 * Theme.horizontalPageMargin )
@@ -255,6 +257,7 @@ Page {
                                         replacementStringHint: chatListNameText.text
                                         width: parent.width
                                         height: parent.width
+                                        forceElementUpdate: overviewPage.chatListCreated
                                     }
 
                                     Rectangle {

src/chatlistmodel.cpp

@@ -85,6 +85,7 @@ void ChatListModel::handleChatLastMessageUpdated(const QString &chatId, const QS
     emit dataChanged(this->index(chatIndex), this->index(chatIndex));
 
     this->updateChatOrder(chatIndex, currentChat);
+    emit chatChanged(chatId);
 
     this->chatListMutex.unlock();
 }
@@ -100,6 +101,7 @@ void ChatListModel::handleChatOrderUpdated(const QString &chatId, const QString
     emit dataChanged(this->index(chatIndex), this->index(chatIndex));
 
     this->updateChatOrder(chatIndex, currentChat);
+    emit chatChanged(chatId);
 
     this->chatListMutex.unlock();
 }
@@ -113,6 +115,7 @@ void ChatListModel::handleChatReadInboxUpdated(const QString &chatId, const int
     currentChat.insert("unread_count", unreadCount);
     this->chatList.replace(chatIndex, currentChat);
     emit dataChanged(this->index(chatIndex), this->index(chatIndex));
+    emit chatChanged(chatId);
     this->chatListMutex.unlock();
 }
 

src/chatlistmodel.h

@@ -19,6 +19,9 @@ public:
 
     Q_INVOKABLE void enableDeltaUpdates();
 
+signals:
+    void chatChanged(const QString &chatId);
+
 public slots:
     void handleChatDiscovered(const QString &chatId, const QVariantMap &chatInformation);
     void handleChatLastMessageUpdated(const QString &chatId, const QString &order, const QVariantMap &lastMessage);