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import QtQuick 2.12
import QtQuick.Controls 2.12
import QtQuick.Layouts 1.12
import QtQml.Models 2.1
import org.kde.kirigami 2.12 as Kirigami
import DeltaChat 1.0
Kirigami.ScrollablePage {
id: chatPage
title: chat ? chat.name : qsTr("Chat")
required property DcContext context
required property DcAccountsEventEmitter eventEmitter
required property var chatId
property DcChat chat: context.getChat(chatId)
contextualActions: [
Kirigami.Action {
text: "Accept contact request"
onTriggered: chatPage.context.unblockChat(chatPage.chatId)
visible: chatPage.chat && chatPage.chat.isContactRequest
},
Kirigami.Action {
text: "Block contact request"
onTriggered: chatPage.context.blockChat(chatPage.chatId)
visible: chatPage.chat && chatPage.chat.isContactRequest
}
]
function updateMessagelist() {
// Reverse message list, because it is laid out from bottom to top.
let messagelist = context.getMsgIdList(chatId).reverse()
for (let i = 0; i < messagelist.length; i++) {
const msgId = messagelist[i]
const item = {
msgId: msgId
}
let j;
for (j = i; j < messagelistModel.count; j++) {
if (messagelistModel.get(j).msgId == msgId) {
messagelistModel.move(j, i, 1)
messagelistModel.set(i, item)
break
}
}
if (j == messagelistModel.count) {
messagelistModel.insert(i, item)
}
}
if (messagelistModel.count > messagelist.length) {
messagelistModel.remove(messagelist.length,
messagelistModel.count - messagelist.length)
}
}
ListModel {
id: messagelistModel
}
Connections {
target: chatPage.eventEmitter
function onChatModified() {
console.log("CHAT MODIFIED!")
chatPage.chat = context.getChat(chatId)
}
function onIncomingMessage(accountId, chatId, msgId) {
console.log("Incoming message for chat " + chatId)
if (chatId == chatPage.chatId) {
chatPage.updateMessagelist()
}
}
function onMessagesChanged(accountId, chatId, msgId) {
console.log("Messages changed for chat " + chatId)
if (chatId == chatPage.chatId || chatId == 0) {
chatPage.updateMessagelist()
}
}
}
Component.onCompleted: {
chatPage.updateMessagelist()
}
background: Rectangle {
color: Kirigami.Theme.alternateBackgroundColor
anchors.fill: parent
}
ListView {
id: messageListView
anchors.fill: parent
spacing: Kirigami.Units.largeSpacing
model: messagelistModel
/*
* Messages are laid out bottom to top, because their height
* is not known in advance.
*
* Attempts to lay out messages top to bottom and scroll to the
* bottom of the list with ListView.positionViewAtEnd() result in
* imprecise scrollbar position, because this method estimates
* item height from the height of currently visible messages.
*/
verticalLayoutDirection: ListView.BottomToTop
delegate: Message {
message: chatPage.context.getMessage(msgId)
context: chatPage.context
width: ListView.view.width
}
}
footer: ComposePane {
context: chatPage.context
chatId: chatPage.chatId
Layout.fillWidth: true
visible: chatPage.chat && chatPage.chat.canSend
}
}
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