speed up overview page loading

contributes to #198

qml/components/ChatListViewItem.qml

@@ -24,39 +24,57 @@ PhotoTextsListItem {
     isSecret: ( chat_type === TelegramAPI.ChatTypeSecret )
 
     openMenuOnPressAndHold: true//chat_id != overviewPage.ownUserId
-    menu: ContextMenu {
-        MenuItem {
-            visible: unread_count > 0
-            onClicked: {
-                tdLibWrapper.viewMessage(chat_id, display.last_message.id, true);
-            }
-            text: qsTr("Mark all messages as read")
-        }
 
-        MenuItem {
+    onPressAndHold: {
-            visible: chat_id != listItem.ownUserId
+        contextMenuLoader.active = true;
-            onClicked: {
+    }
-                var newNotificationSettings = display.notification_settings;
-                if (newNotificationSettings.mute_for > 0) {
-                    newNotificationSettings.mute_for = 0;
-                } else {
-                    newNotificationSettings.mute_for = 6666666;
-                }
-                newNotificationSettings.use_default_mute_for = false;
-                tdLibWrapper.setChatNotificationSettings(chat_id, newNotificationSettings);
-            }
-            text: display.notification_settings.mute_for > 0 ? qsTr("Unmute Chat") : qsTr("Mute Chat")
-        }
 
-        MenuItem {
+    Loader {
-            onClicked: {
+        id: contextMenuLoader
-                if(pageStack.depth > 2) {
+        active: false
-                    pageStack.pop(pageStack.find( function(page){ return(page._depth === 0)} ), PageStackAction.Immediate);
+        asynchronous: true
+        onStatusChanged: {
+            if(status === Loader.Ready) {
+                listItem.menu = item;
+                listItem.openMenu();
+            }
+        }
+        sourceComponent: Component {
+            ContextMenu {
+                MenuItem {
+                    visible: unread_count > 0
+                    onClicked: {
+                        tdLibWrapper.viewMessage(chat_id, display.last_message.id, true);
+                    }
+                    text: qsTr("Mark all messages as read")
                 }
 
-                pageStack.push(Qt.resolvedUrl("../pages/ChatInformationPage.qml"), { "chatInformation" : display});
+                MenuItem {
+                    visible: chat_id != listItem.ownUserId
+                    onClicked: {
+                        var newNotificationSettings = display.notification_settings;
+                        if (newNotificationSettings.mute_for > 0) {
+                            newNotificationSettings.mute_for = 0;
+                        } else {
+                            newNotificationSettings.mute_for = 6666666;
+                        }
+                        newNotificationSettings.use_default_mute_for = false;
+                        tdLibWrapper.setChatNotificationSettings(chat_id, newNotificationSettings);
+                    }
+                    text: display.notification_settings.mute_for > 0 ? qsTr("Unmute Chat") : qsTr("Mute Chat")
+                }
+
+                MenuItem {
+                    onClicked: {
+                        if(pageStack.depth > 2) {
+                            pageStack.pop(pageStack.find( function(page){ return(page._depth === 0)} ), PageStackAction.Immediate);
+                        }
+
+                        pageStack.push(Qt.resolvedUrl("../pages/ChatInformationPage.qml"), { "chatInformation" : display});
+                    }
+                    text: model.display.type['@type'] === "chatTypePrivate" ? qsTr("User Info") : qsTr("Group Info")
+                }
             }
-            text: model.display.type['@type'] === "chatTypePrivate" ? qsTr("User Info") : qsTr("Group Info")
         }
     }
 

qml/components/chatInformationPage/ChatInformationTabItemMembersGroups.qml

@@ -154,15 +154,6 @@ ChatInformationTabItemBase {
                 pageStack.pop(pageStack.find( function(page){ return(page._depth === 0)} ), PageStackAction.Immediate);
                 pageStack.push(Qt.resolvedUrl("../../pages/ChatPage.qml"), { "chatInformation" : display });
             }
-            Connections {
-                target: chatListModel
-                onChatChanged: {
-                    if (changedChatId === chat_id) {
-                        // Force update of some list item elements (currently only last message text seems to create problems). dataChanged() doesn't seem to trigger them all :(
-                        secondaryText.text = last_message_text ? Emoji.emojify(Functions.enhanceHtmlEntities(last_message_text), Theme.fontSizeExtraSmall) : qsTr("Unknown")
-                    }
-                }
-            }
         }
     }
 

qml/pages/OverviewPage.qml

@@ -59,13 +59,13 @@ Page {
 
     Timer {
         id: chatListCreatedTimer
-        interval: 300
+        interval: 20
         running: false
         repeat: false
         onTriggered: {
             overviewPage.chatListCreated = true;
-            chatListModel.redrawModel();
             chatListView.scrollToTop();
+            updateSecondaryContentTimer.start();
         }
     }
 
@@ -76,6 +76,15 @@ Page {
             pageStack.push(Qt.resolvedUrl("../pages/InitializationPage.qml"));
         }
     }
+    Timer {
+        id: updateSecondaryContentTimer
+        interval: 600
+        onTriggered: {
+            tdLibWrapper.getRecentStickers();
+            tdLibWrapper.getInstalledStickerSets();
+            tdLibWrapper.getContacts();
+        }
+    }
 
     function setPageStatus() {
         switch (overviewPage.connectionState) {
@@ -104,9 +113,6 @@ Page {
 
     function updateContent() {
         tdLibWrapper.getChats();
-        tdLibWrapper.getRecentStickers();
-        tdLibWrapper.getInstalledStickerSets();
-        tdLibWrapper.getContacts();
     }
 
     function initializePage() {
@@ -210,101 +216,72 @@ Page {
             }
         }
 
-        Column {
+        PageHeader {
-            id: column
+            id: pageHeader
-            width: parent.width
+            title: qsTr("Fernschreiber")
-            height: parent.height
+            leftMargin: Theme.itemSizeMedium
-            spacing: Theme.paddingMedium
 
-            Row {
+            GlassItem {
-                id: headerRow
+                id: pageStatus
-                width: parent.width
+                width: Theme.itemSizeMedium
+                height: Theme.itemSizeMedium
+                color: "red"
+                falloffRadius: 0.1
+                radius: 0.2
+                cache: false
+            }
+        }
 
-                GlassItem {
+        SilicaListView {
-                    id: pageStatus
+            id: chatListView
-                    width: Theme.itemSizeMedium
+            anchors {
-                    height: Theme.itemSizeMedium
+                top: pageHeader.bottom
-                    color: "red"
+                bottom: parent.bottom
-                    falloffRadius: 0.1
+                left: parent.left
-                    radius: 0.2
+                right: parent.right
-                    cache: false
+            }
-                }
+            clip: true
-
+            opacity: overviewPage.chatListCreated ? 1 : 0
-                PageHeader {
+            Behavior on opacity { FadeAnimation {} }
-                    id: pageHeader
+            model: chatListModel
-                    title: qsTr("Fernschreiber")
+            delegate: ChatListViewItem {
-                    width: parent.width - pageStatus.width
+                ownUserId: overviewPage.ownUserId
+                isVerified: is_verified
+                onClicked: {
+                    pageStack.push(Qt.resolvedUrl("../pages/ChatPage.qml"), {
+                        chatInformation : display,
+                        chatPicture: photo_small
+                    })
                 }
             }
 
-            Item {
+            ViewPlaceholder {
-                id: chatListItem
+                enabled: chatListView.count === 0
-                width: parent.width
+                text: qsTr("You don't have any chats yet.")
-                height: parent.height - Theme.paddingMedium - headerRow.height
+            }
 
-                SilicaListView {
+            VerticalScrollDecorator {}
+        }
 
-                    id: chatListView
+        Column {
+            width: parent.width
+            spacing: Theme.paddingMedium
+            anchors.verticalCenter: chatListView.verticalCenter
 
-                    anchors.fill: parent
+            opacity: overviewPage.chatListCreated ? 0 : 1
+            Behavior on opacity { FadeAnimation {} }
+            visible: !overviewPage.chatListCreated
 
-                    clip: true
+            InfoLabel {
-                    opacity: overviewPage.chatListCreated ? 1 : 0
+                id: loadingLabel
-                    Behavior on opacity { NumberAnimation {} }
+                text: qsTr("Loading chat list...")
+            }
 
-                    model: chatListModel
+            BusyIndicator {
-                    delegate: ChatListViewItem {
+                id: loadingBusyIndicator
-                        ownUserId: overviewPage.ownUserId
+                anchors.horizontalCenter: parent.horizontalCenter
-                        isVerified: is_verified
+                running: !overviewPage.chatListCreated
-
+                size: BusyIndicatorSize.Large
-                        onClicked: {
-                            pageStack.push(Qt.resolvedUrl("../pages/ChatPage.qml"), {
-                                chatInformation : display,
-                                chatPicture: photo_small
-                            })
-                        }
-
-                        Connections {
-                            target: chatListModel
-                            onChatChanged: {
-                                if (overviewPage.chatListCreated && changedChatId === chat_id) {
-                                    // Force update of some list item elements (currently only last message text seems to create problems). dataChanged() doesn't seem to trigger them all :(
-                                    secondaryText.text = last_message_text ? Emoji.emojify(Functions.enhanceHtmlEntities(last_message_text), Theme.fontSizeExtraSmall) : qsTr("Unknown")
-                                }
-                            }
-                        }
-                    }
-
-                    ViewPlaceholder {
-                        enabled: chatListView.count === 0
-                        text: qsTr("You don't have any chats yet.")
-                    }
-
-                    VerticalScrollDecorator {}
-                }
-
-                Column {
-                    width: parent.width
-                    height: loadingLabel.height + loadingBusyIndicator.height + Theme.paddingMedium
-                    spacing: Theme.paddingMedium
-                    anchors.verticalCenter: parent.verticalCenter
-
-                    opacity: overviewPage.chatListCreated ? 0 : 1
-                    Behavior on opacity { NumberAnimation {} }
-                    visible: !overviewPage.chatListCreated
-
-                    InfoLabel {
-                        id: loadingLabel
-                        text: qsTr("Loading chat list...")
-                    }
-
-                    BusyIndicator {
-                        id: loadingBusyIndicator
-                        anchors.horizontalCenter: parent.horizontalCenter
-                        running: !overviewPage.chatListCreated
-                        size: BusyIndicatorSize.Large
-                    }
-                }
             }
         }
     }