Files
neochat/src/qml/TimelineView.qml
2023-09-23 14:05:50 +00:00

425 lines
15 KiB
QML

// SPDX-FileCopyrightText: 2020 Carl Schwan <carl@carlschwan.eu>
// SPDX-License-Identifier: GPL-2.0-or-later
import QtQuick
import QtQuick.Controls as QQC2
import QtQuick.Layouts
import Qt.labs.qmlmodels
import QtQuick.Window
import org.kde.kirigami as Kirigami
import org.kde.kitemmodels
import org.kde.neochat
import org.kde.neochat.config
QQC2.ScrollView {
id: root
required property NeoChatRoom currentRoom
required property NeoChatConnection connection
onCurrentRoomChanged: {
roomChanging = true;
roomChangingTimer.restart()
applicationWindow().hoverLinkIndicator.text = "";
messageListView.positionViewAtBeginning();
hasScrolledUpBefore = false;
}
property bool roomChanging: false
readonly property bool atYEnd: messageListView.atYEnd
/// Used to determine if scrolling to the bottom should mark the message as unread
property bool hasScrolledUpBefore: false;
signal focusChatBox()
ListView {
id: messageListView
// So that delegates can access the current room properly.
readonly property NeoChatRoom currentRoom: root.currentRoom
readonly property int largestVisibleIndex: count > 0 ? indexAt(contentX + (width / 2), contentY + height - 1) : -1
readonly property var sectionBannerItem: contentHeight >= height ? itemAtIndex(sectionBannerIndex()) : undefined
// Spacing needs to be zero or the top sectionLabel overlay will be disrupted.
// This is because itemAt returns null in the spaces.
// All spacing should be handled by the delegates themselves
spacing: 0
verticalLayoutDirection: ListView.BottomToTop
clip: true
interactive: Kirigami.Settings.isMobile
bottomMargin: Kirigami.Units.largeSpacing + Math.round(Kirigami.Theme.defaultFont.pointSize * 2)
model: RoomManager.messageFilterModel
Timer {
interval: 1000
running: messageListView.atYBeginning
triggeredOnStart: true
onTriggered: {
if (messageListView.atYBeginning && RoomManager.messageEventModel.canFetchMore(RoomManager.messageEventModel.index(0, 0))) {
RoomManager.messageEventModel.fetchMore(RoomManager.messageEventModel.index(0, 0));
}
}
repeat: true
}
// HACK: The view should do this automatically but doesn't.
onAtYBeginningChanged: if (atYBeginning && RoomManager.messageEventModel.canFetchMore(RoomManager.messageEventModel.index(0, 0))) {
RoomManager.messageEventModel.fetchMore(RoomManager.messageEventModel.index(0, 0));
}
Timer {
id: roomChangingTimer
interval: 1000
onTriggered: {
root.roomChanging = false
}
}
onAtYEndChanged: if (!root.roomChanging) {
if (atYEnd && root.hasScrolledUpBefore) {
if (QQC2.ApplicationWindow.window && (QQC2.ApplicationWindow.window.visibility !== QQC2.ApplicationWindow.Hidden)) {
root.currentRoom.markAllMessagesAsRead();
}
root.hasScrolledUpBefore = false;
} else if (!atYEnd) {
root.hasScrolledUpBefore = true;
}
}
// Not rendered because the sections are part of the MessageDelegate.qml, this is only so that items have the section property available for use by sectionBanner.
// This is due to the fact that the ListView verticalLayout is BottomToTop.
// This also flips the sections which would appear at the bottom but for a timeline they still need to be at the top (bottom from the qml perspective).
// There is currently no option to put section headings at the bottom in qml.
section.property: "section"
function sectionBannerIndex() {
let center = messageListView.x + messageListView.width / 2;
let yStart = messageListView.y + messageListView.contentY;
let index = -1;
let i = 0;
while (index === -1 && i < 100) {
index = messageListView.indexAt(center, yStart + i);
i++;
}
return index;
}
footer: SectionDelegate {
id: sectionBanner
anchors.left: parent.left
anchors.leftMargin: messageListView.sectionBannerItem ? messageListView.sectionBannerItem.contentItem.parent.x : 0
anchors.right: parent.right
maxWidth: messageListView.sectionBannerItem ? messageListView.sectionBannerItem.contentItem.width : 0
z: 3
visible: !!messageListView.sectionBannerItem && messageListView.sectionBannerItem.ListView.section !== "" && !Config.blur
labelText: messageListView.sectionBannerItem ? messageListView.sectionBannerItem.ListView.section : ""
colorSet: Config.compactLayout ? Kirigami.Theme.View : Kirigami.Theme.Window
}
footerPositioning: ListView.OverlayHeader
delegate: EventDelegate {
room: root.currentRoom
connection: root.connection
}
QQC2.RoundButton {
id: goReadMarkerFab
anchors.right: parent.right
anchors.top: parent.top
anchors.topMargin: Kirigami.Units.largeSpacing
anchors.rightMargin: Kirigami.Units.largeSpacing
implicitWidth: Kirigami.Units.gridUnit * 2
implicitHeight: Kirigami.Units.gridUnit * 2
z: 2
visible: root.currentRoom && root.currentRoom.hasUnreadMessages && root.currentRoom.readMarkerLoaded
action: Kirigami.Action {
onTriggered: {
if (!Kirigami.Settings.isMobile) {
root.focusChatBox();
}
messageListView.goToEvent(root.currentRoom.readMarkerEventId)
}
icon.name: "go-up"
shortcut: "Shift+PgUp"
}
QQC2.ToolTip {
text: i18n("Jump to first unread message")
}
}
QQC2.RoundButton {
id: goMarkAsReadFab
anchors.right: parent.right
anchors.bottom: parent.bottom
anchors.bottomMargin: Kirigami.Units.largeSpacing
anchors.rightMargin: Kirigami.Units.largeSpacing
implicitWidth: Kirigami.Units.gridUnit * 2
implicitHeight: Kirigami.Units.gridUnit * 2
z: 2
visible: !messageListView.atYEnd
action: Kirigami.Action {
onTriggered: {
messageListView.goToLastMessage();
root.currentRoom.markAllMessagesAsRead();
}
icon.name: "go-down"
}
QQC2.ToolTip {
text: i18n("Jump to latest message")
}
}
Component.onCompleted: {
positionViewAtBeginning();
}
DropArea {
id: dropAreaFile
anchors.fill: parent
onDropped: root.currentRoom.chatBoxAttachmentPath = drop.urls[0]
;
enabled: !Controller.isFlatpak
}
QQC2.Pane {
visible: dropAreaFile.containsDrag
anchors {
fill: parent
margins: Kirigami.Units.gridUnit
}
Kirigami.PlaceholderMessage {
anchors.centerIn: parent
width: parent.width - (Kirigami.Units.largeSpacing * 4)
text: i18n("Drag items here to share them")
}
}
TypingPane {
id: typingPane
visible: root.currentRoom && root.currentRoom.usersTyping.length > 0
labelText: visible ? i18ncp(
"Message displayed when some users are typing", "%2 is typing", "%2 are typing",
root.currentRoom.usersTyping.length,
root.currentRoom.usersTyping.map(user => user.displayName).join(", ")
) :
""
anchors.left: parent.left
anchors.bottom: parent.bottom
height: visible ? implicitHeight : 0
Behavior on height {
NumberAnimation {
property: "height"
duration: Kirigami.Units.shortDuration
easing.type: Easing.OutCubic
}
}
z: 2
}
function goToEvent(eventID) {
const index = eventToIndex(eventID)
messageListView.positionViewAtIndex(index, ListView.Center)
itemAtIndex(index).isTemporaryHighlighted = true
}
HoverActions {
id: hoverActions
property var delegate: null
x: delegate ? delegate.x + delegate.bubbleX : 0
y: delegate ? delegate.mapToItem(parent, 0, 0).y + delegate.bubbleY - height + Kirigami.Units.smallSpacing : 0
width: delegate ? delegate.bubbleWidth : Kirigami.Units.gridUnit * 4
currentRoom: root.currentRoom
showActions: delegate && delegate.hovered
verified: delegate && delegate.verified
editable: delegate && delegate.author.isLocalUser && (delegate.delegateType === DelegateType.Emote || delegate.delegateType === DelegateType.Message)
onReactClicked: (emoji) => {
root.currentRoom.toggleReaction(delegate.eventId, emoji);
if (!Kirigami.Settings.isMobile) {
root.focusChatBox();
}
}
onEditClicked: {
root.currentRoom.chatBoxEditId = delegate.eventId;
root.currentRoom.chatBoxReplyId = "";
}
onReplyClicked: {
root.currentRoom.chatBoxReplyId = delegate.eventId;
root.currentRoom.chatBoxEditId = "";
root.focusChatBox();
}
}
onContentYChanged: {
if (hoverActions.delegate) {
hoverActions.delegate.setHoverActionsToDelegate();
}
}
Connections {
target: RoomManager.messageEventModel
function onRowsInserted() {
markReadIfVisibleTimer.restart()
}
}
Timer {
id: markReadIfVisibleTimer
interval: 1000
onTriggered: {
if (loading || !root.currentRoom.readMarkerLoaded || !applicationWindow().active) {
restart()
} else {
messageListView.markReadIfVisible()
}
}
}
Rectangle {
FancyEffectsContainer {
id: fancyEffectsContainer
anchors.fill: parent
z: 100
enabled: Config.showFancyEffects
function processFancyEffectsReason(fancyEffect) {
if (fancyEffect === "snowflake") {
fancyEffectsContainer.showSnowEffect()
}
if (fancyEffect === "fireworks") {
fancyEffectsContainer.showFireworksEffect()
}
if (fancyEffect === "confetti") {
fancyEffectsContainer.showConfettiEffect()
}
}
Connections {
//enabled: Config.showFancyEffects
target: RoomManager.messageEventModel
function onFancyEffectsReasonFound(fancyEffect) {
fancyEffectsContainer.processFancyEffectsReason(fancyEffect)
}
}
Connections {
enabled: Config.showFancyEffects
target: actionsHandler
function onShowEffect(fancyEffect) {
fancyEffectsContainer.processFancyEffectsReason(fancyEffect)
}
}
}
}
Component {
id: maximizeComponent
NeochatMaximizeComponent {
currentRoom: root.currentRoom
model: RoomManager.mediaMessageFilterModel
}
}
Connections {
target: RoomManager
function onShowMaximizedMedia(index) {
messageListView.showMaximizedMedia(index)
}
}
function showMaximizedMedia(index) {
var popup = maximizeComponent.createObject(QQC2.ApplicationWindow.overlay, {
initialIndex: index
})
popup.closed.connect(() => {
messageListView.interactive = true
popup.destroy()
})
popup.open()
}
function goToLastMessage() {
root.currentRoom.markAllMessagesAsRead()
// scroll to the very end, i.e to messageListView.YEnd
messageListView.positionViewAtIndex(0, ListView.End)
}
function eventToIndex(eventID) {
const index = RoomManager.messageEventModel.eventIdToRow(eventID)
if (index === -1)
return -1
return RoomManager.messageFilterModel.mapFromSource(RoomManager.messageEventModel.index(index, 0)).row
}
function firstVisibleIndex() {
let center = messageListView.x + messageListView.width / 2;
let index = -1
let i = 0
while (index === -1 && i < 100) {
index = messageListView.indexAt(center, messageListView.y + messageListView.contentY + i);
i++;
}
return index
}
function lastVisibleIndex() {
let center = messageListView.x + messageListView.width / 2;
let index = -1
let i = 0
while (index === -1 && i < 100) {
index = messageListView.indexAt(center, messageListView.y + messageListView.contentY + messageListView.height - i);
i++
}
return index;
}
// Mark all messages as read if all unread messages are visible to the user
function markReadIfVisible() {
let readMarkerRow = eventToIndex(root.currentRoom.readMarkerEventId)
if (readMarkerRow >= 0 && readMarkerRow < firstVisibleIndex() && messageListView.atYEnd) {
root.currentRoom.markAllMessagesAsRead()
}
}
function setHoverActionsToDelegate(delegate) {
hoverActions.delegate = delegate
}
}
function goToLastMessage() {
messageListView.goToLastMessage()
}
function pageUp() {
const newContentY = messageListView.contentY - messageListView.height / 2;
const minContentY = messageListView.originY + messageListView.topMargin;
messageListView.contentY = Math.max(newContentY, minContentY);
messageListView.returnToBounds();
}
function pageDown() {
const newContentY = messageListView.contentY + messageListView.height / 2;
const maxContentY = messageListView.originY + messageListView.bottomMargin + messageListView.contentHeight - messageListView.height;
messageListView.contentY = Math.min(newContentY, maxContentY);
messageListView.returnToBounds();
}
function positionViewAtBeginning() {
messageListView.positionViewAtBeginning()
}
}