moment/src/qml/Chat/Timeline/EventList.qml
2019-07-24 17:05:27 -04:00

101 lines
2.8 KiB
QML

// Copyright 2019 miruka
// This file is part of harmonyqml, licensed under LGPLv3.
import QtQuick 2.12
import SortFilterProxyModel 0.2
import "../../Base"
import "../../utils.js" as Utils
HRectangle {
property alias listView: eventList
color: theme.chat.eventList.background
HListView {
id: eventList
clip: true
Component.onCompleted: shortcuts.flickTarget = eventList
function canCombine(item, itemAfter) {
if (! item || ! itemAfter) { return false }
return Boolean(
! canTalkBreak(item, itemAfter) &&
! canDayBreak(item, itemAfter) &&
item.senderId === itemAfter.senderId &&
Utils.minutesBetween(item.date, itemAfter.date) <= 5
)
}
function canTalkBreak(item, itemAfter) {
if (! item || ! itemAfter) { return false }
return Boolean(
! canDayBreak(item, itemAfter) &&
Utils.minutesBetween(item.date, itemAfter.date) >= 20
)
}
function canDayBreak(item, itemAfter) {
if (! item || ! itemAfter || ! item.date || ! itemAfter.date) {
return false
}
return Boolean(
itemAfter.eventType == "RoomCreateEvent" ||
item.date.getDate() != itemAfter.date.getDate()
)
}
model: HListModel {
sourceModel: timelines
filters: ValueFilter {
roleName: "roomId"
value: chatPage.roomId
}
}
property bool ownEventsOnRight:
width < theme.chat.eventList.ownEventsOnRightUnderWidth
delegate: EventDelegate {}
anchors.fill: parent
anchors.leftMargin: theme.spacing
anchors.rightMargin: theme.spacing
topMargin: theme.spacing
bottomMargin: theme.spacing
verticalLayoutDirection: ListView.BottomToTop
// Keep x scroll pages cached, to limit images having to be
// reloaded from network.
cacheBuffer: height * 4
// Declaring this as "alias" provides the on... signal
property real yPos: visibleArea.yPosition
property bool canLoad: true
// property int zz: 0
onYPosChanged: {
if (chatPage.category != "Invites" && canLoad && yPos <= 0.1) {
// zz += 1
// print(canLoad, zz)
eventList.canLoad = false
py.callClientCoro(
chatPage.userId, "load_past_events", [chatPage.roomId],
moreToLoad => { eventList.canLoad = moreToLoad }
)
}
}
}
HNoticePage {
text: qsTr("Nothing to show here yet...")
visible: eventList.model.count < 1
anchors.fill: parent
}
}