355 lines
13 KiB
QML
355 lines
13 KiB
QML
import QtQuick 2.13
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import QtQuick.Controls 2.13
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import QtQuick.Window 2.13
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import QtQuick.Layouts 1.13
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import QtQml.Models 2.13
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import QtGraphicalEffects 1.13
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import QtQuick.Dialogs 1.3
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import "../../../../shared"
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import "../../../../shared/status"
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import utils 1.0
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import "../components"
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import "./samples/"
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import "./MessageComponents"
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import "../ContactsColumn"
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import "../CommunityComponents"
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Item {
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id: root
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anchors.fill: parent
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property alias chatLogView: chatLogView
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property alias scrollToMessage: chatLogView.scrollToMessage
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property var messageContextMenuInst
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property var messageList: MessagesData {}
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property real scrollY: chatLogView.visibleArea.yPosition * chatLogView.contentHeight
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property int newMessages: 0
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property int countOnStartUp: 0
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ListView {
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id: chatLogView
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anchors.fill: parent
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spacing: appSettings.useCompactMode ? 0 : 4
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boundsBehavior: Flickable.StopAtBounds
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clip: true
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verticalLayoutDirection: ListView.BottomToTop
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// This header and Connections is to create an invisible padding so that the chat identifier is at the top
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// The Connections is necessary, because doing the check inside the header created a binding loop (the contentHeight includes the header height
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// If the content height is smaller than the full height, we "show" the padding so that the chat identifier is at the top, otherwise we disable the Connections
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header: Item {
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height: 0
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width: chatLogView.width
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}
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function checkHeaderHeight() {
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if (!chatLogView.headerItem) {
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return
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}
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if (chatLogView.contentItem.height - chatLogView.headerItem.height < chatLogView.height) {
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chatLogView.headerItem.height = chatLogView.height - (chatLogView.contentItem.height - chatLogView.headerItem.height) - 36
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} else {
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chatLogView.headerItem.height = 0
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}
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}
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property var scrollToMessage: function (messageId, isSearch = false) {
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delayPositioningViewTimer.msgId = messageId;
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delayPositioningViewTimer.isSearch = isSearch;
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delayPositioningViewTimer.restart();
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}
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Timer {
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id: delayPositioningViewTimer
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interval: 1000
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property string msgId
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property bool isSearch
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onTriggered: {
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let item
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for (let i = 0; i < messages.rowCount(); i++) {
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item = messageListDelegate.items.get(i);
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if (item.model.messageId === msgId) {
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chatLogView.positionViewAtIndex(i, ListView.Beginning);
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if (appSettings.useCompactMode && isSearch) {
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chatLogView.itemAtIndex(i).startMessageFoundAnimation();
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}
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}
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}
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msgId = "";
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isSearch = false;
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}
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}
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ScrollBar.vertical: ScrollBar {
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visible: chatLogView.visibleArea.heightRatio < 1
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}
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Connections {
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id: contentHeightConnection
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enabled: true
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target: chatLogView
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onContentHeightChanged: {
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chatLogView.checkHeaderHeight()
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}
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onHeightChanged: {
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chatLogView.checkHeaderHeight()
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}
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}
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Timer {
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id: timer
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}
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Button {
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readonly property int buttonPadding: 5
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id: scrollDownButton
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visible: false
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height: 32
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width: nbMessages.width + arrowImage.width + 2 * Style.current.halfPadding + (nbMessages.visible ? scrollDownButton.buttonPadding : 0)
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anchors.bottom: parent.bottom
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anchors.right: parent.right
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anchors.rightMargin: Style.current.padding
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background: Rectangle {
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color: Style.current.buttonSecondaryColor
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border.width: 0
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radius: 16
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}
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onClicked: {
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newMessages = 0
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scrollDownButton.visible = false
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chatLogView.scrollToBottom(true)
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}
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StyledText {
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id: nbMessages
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visible: newMessages > 0
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width: visible ? implicitWidth : 0
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text: newMessages
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anchors.verticalCenter: parent.verticalCenter
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anchors.left: parent.left
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color: Style.current.pillButtonTextColor
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font.pixelSize: 15
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anchors.leftMargin: Style.current.halfPadding
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}
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SVGImage {
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id: arrowImage
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width: 24
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height: 24
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anchors.verticalCenter: parent.verticalCenter
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anchors.left: nbMessages.right
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source: Style.svg("leave_chat")
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anchors.leftMargin: nbMessages.visible ? scrollDownButton.buttonPadding : 0
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rotation: -90
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ColorOverlay {
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anchors.fill: parent
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source: parent
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color: Style.current.pillButtonTextColor
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}
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}
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MouseArea {
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cursorShape: Qt.PointingHandCursor
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anchors.fill: parent
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onPressed: mouse.accepted = false
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}
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}
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function scrollToBottom(force, caller) {
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if (!force && !chatLogView.atYEnd) {
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// User has scrolled up, we don't want to scroll back
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return false
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}
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if (caller && caller !== chatLogView.itemAtIndex(chatLogView.count - 1)) {
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// If we have a caller, only accept its request if it's the last message
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return false
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}
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// Call this twice and with a timer since the first scroll to bottom might have happened before some stuff loads
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// meaning that the scroll will not actually be at the bottom on switch
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// Add a small delay because images, even though they say they say they are loaed, they aren't shown yet
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Qt.callLater(chatLogView.positionViewAtBeginning)
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timer.setTimeout(function() {
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Qt.callLater(chatLogView.positionViewAtBeginning)
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}, 100);
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return true
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}
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Connections {
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target: chatsModel
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onAppReady: {
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chatLogView.scrollToBottom(true)
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}
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}
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Connections {
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target: chatsModel.messageView
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onSendingMessageSuccess: {
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chatLogView.scrollToBottom(true)
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}
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onSendingMessageFailed: {
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sendingMsgFailedPopup.open();
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}
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onNewMessagePushed: {
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if (!chatLogView.scrollToBottom()) {
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newMessages++
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}
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}
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}
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Connections {
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target: chatsModel.communities
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// Note:
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// Whole this Connection object (both slots) should be moved to the nim side.
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// Left here only cause we don't have a way to deal with translations on the nim side.
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onMembershipRequestChanged: function (communityId, communityName, accepted) {
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chatColumnLayout.currentNotificationChatId = null
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chatColumnLayout.currentNotificationCommunityId = communityId
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chatsModel.showOSNotification("Status",
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//% "You have been accepted into the ‘%1’ community"
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accepted ? qsTrId("you-have-been-accepted-into-the---1--community").arg(communityName) :
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//% "Your request to join the ‘%1’ community was declined"
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qsTrId("your-request-to-join-the---1--community-was-declined").arg(communityName),
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accepted? Constants.osNotificationType.acceptedIntoCommunity :
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Constants.osNotificationType.rejectedByCommunity,
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communityId,
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"",
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"",
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appSettings.useOSNotifications)
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}
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onMembershipRequestPushed: function (communityId, communityName, pubKey) {
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chatColumnLayout.currentNotificationChatId = null
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chatColumnLayout.currentNotificationCommunityId = communityId
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//% "New membership request"
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chatsModel.showOSNotification(qsTrId("new-membership-request"),
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//% "%1 asks to join ‘%2’"
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qsTrId("-1-asks-to-join---2-").arg(Utils.getDisplayName(pubKey)).arg(communityName),
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Constants.osNotificationType.joinCommunityRequest,
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communityId,
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"",
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"",
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appSettings.useOSNotifications)
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}
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}
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property var loadMsgs : Backpressure.oneInTime(chatLogView, 500, function() {
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if(!messages.initialMessagesLoaded || messages.loadingHistoryMessages)
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return
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chatsModel.messageView.loadMoreMessages(chatId);
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});
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onContentYChanged: {
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scrollDownButton.visible = (contentHeight - (scrollY + height) > 400)
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if(scrollDownButton.visible && scrollY < 500){
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loadMsgs();
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}
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}
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model: messageListDelegate
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section.property: "sectionIdentifier"
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section.criteria: ViewSection.FullString
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Component.onCompleted: scrollToBottom(true)
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}
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MessageDialog {
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id: sendingMsgFailedPopup
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standardButtons: StandardButton.Ok
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//% "Failed to send message."
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text: qsTrId("failed-to-send-message-")
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icon: StandardIcon.Critical
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}
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Timer {
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id: modelLoadingDelayTimer
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interval: 1000
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onTriggered: {
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root.countOnStartUp = messageListDelegate.count;
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}
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}
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DelegateModelGeneralized {
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id: messageListDelegate
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lessThan: [
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function(left, right) { return left.clock > right.clock }
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]
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model: messages
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delegate: Message {
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id: msgDelegate
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fromAuthor: model.fromAuthor
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chatId: model.chatId
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userName: model.userName
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alias: model.alias
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localName: model.localName
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message: model.message
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plainText: model.plainText
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identicon: model.identicon
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isCurrentUser: model.isCurrentUser
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timestamp: model.timestamp
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sticker: model.sticker
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contentType: model.contentType
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replaces: model.replaces
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isEdited: model.isEdited
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outgoingStatus: model.outgoingStatus
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responseTo: model.responseTo
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authorCurrentMsg: msgDelegate.ListView.section
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// The previous message is actually the nextSection since we reversed the list order
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authorPrevMsg: msgDelegate.ListView.nextSection
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imageClick: imagePopup.openPopup.bind(imagePopup)
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messageId: model.messageId
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emojiReactions: model.emojiReactions
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linkUrls: model.linkUrls
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communityId: model.communityId
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hasMention: model.hasMention
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stickerPackId: model.stickerPackId
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pinnedMessage: model.isPinned
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pinnedBy: model.pinnedBy
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gapFrom: model.gapFrom
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gapTo: model.gapTo
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visible: !model.hide
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Component.onCompleted: {
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if ((root.countOnStartUp > 0) && (root.countOnStartUp - 1) < index) {
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//new message, increment z order
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z = index;
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}
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}
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messageContextMenu: root.messageContextMenuInst
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prevMessageIndex: {
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// This is used in order to have access to the previous message and determine the timestamp
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// we can't rely on the index because the sequence of messages is not ordered on the nim side
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if (msgDelegate.DelegateModel.itemsIndex < messageListDelegate.items.count - 1) {
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return messageListDelegate.items.get(msgDelegate.DelegateModel.itemsIndex + 1).model.index
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}
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return -1;
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}
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nextMessageIndex: {
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if (msgDelegate.DelegateModel.itemsIndex < 1) {
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return -1
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}
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return messageListDelegate.items.get(msgDelegate.DelegateModel.itemsIndex - 1).model.index
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}
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scrollToBottom: chatLogView.scrollToBottom
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timeout: model.timeout
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}
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Component.onCompleted: {
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modelLoadingDelayTimer.start();
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}
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}
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}
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