moment/src/gui/Utils.qml

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// Copyright Mirage authors & contributors <https://github.com/mirukana/mirage>
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// SPDX-License-Identifier: LGPL-3.0-or-later
import QtQuick 2.12
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import CppUtils 0.1
QtObject {
enum Media { Page, File, Image, Video, Audio }
property QtObject theme: null
property bool keyboardFlicking: false
readonly property var imageExtensions: [
"bmp", "gif", "jpg", "jpeg", "png", "pbm", "pgm", "ppm", "xbm", "xpm",
"tiff", "webp", "svg",
]
readonly property var videoExtensions: [
"3gp", "avi", "flv", "m4p", "m4v", "mkv", "mov", "mp4",
"mpeg", "mpg", "ogv", "qt", "vob", "webm", "wmv", "yuv",
]
readonly property var audioExtensions: [
"pcm", "wav", "raw", "aiff", "flac", "m4a", "tta", "aac", "mp3",
"ogg", "oga", "opus",
]
function makeObject(urlComponent, parent=null, properties={},
callback=null) {
let comp = urlComponent
if (! Qt.isQtObject(urlComponent)) {
// It's an url or path string to a component
comp = Qt.createComponent(urlComponent, Component.Asynchronous)
}
let ready = false
comp.statusChanged.connect(status => {
if ([Component.Null, Component.Error].includes(status)) {
console.error("Failed creating component: ", comp.errorString())
} else if (! ready && status === Component.Ready) {
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const incu = comp.incubateObject(
parent, properties, Qt.Asynchronous,
)
if (incu.status === Component.Ready) {
if (callback) callback(incu.object)
ready = true
return
}
incu.onStatusChanged = (istatus) => {
if (incu.status === Component.Error) {
console.error("Failed incubating object: ",
incu.errorString())
} else if (istatus === Component.Ready &&
callback && ! ready) {
if (callback) callback(incu.object)
ready = true
}
}
}
})
if (comp.status === Component.Ready) comp.statusChanged(comp.status)
}
function makePopup(urlComponent, parent, properties={}, callback=null,
autoDestruct=true) {
makeObject(urlComponent, parent, properties, (popup) => {
popup.open()
if (autoDestruct) popup.closed.connect(() => { popup.destroy() })
if (callback) callback(popup)
})
}
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function sum(array) {
if (array.length < 1) return 0
return array.reduce((a, b) => (isNaN(a) ? 0 : a) + (isNaN(b) ? 0 : b))
}
function range(startOrEnd, end=null, ) {
// range(3) → [0, 1, 2, 3]
// range(3, 6) → [3, 4, 5, 6]
// range(3, -1) → [3, 2, 1, 0, -1]
const numbers = []
let realStart = end ? startOrEnd : 0
let realEnd = end ? end : startOrEnd
if (realEnd < realStart)
for (let i = realStart; i >= realEnd; i--)
numbers.push(i)
else
for (let i = realStart; i <= realEnd; i++)
numbers.push(i)
return numbers
}
function chunk(array, chunkSize) {
const chunks = []
for (let i = 0; i < array.length; i += chunkSize) {
chunks.push(array.slice(i, i + chunkSize))
}
return chunks
}
function isEmptyObject(obj) {
return Object.entries(obj).length === 0 && obj.constructor === Object
}
function objectUpdate(current, update) {
return Object.assign({}, current, update)
}
function objectUpdateRecursive(current, update) {
for (const key of Object.keys(update)) {
if ((key in current) && typeof(current[key]) === "object" &&
typeof(update[key]) === "object") {
objectUpdateRecursive(current[key], update[key])
} else {
current[key] = update[key]
}
}
}
function numberWrapAt(num, max) {
return num < 0 ? max + (num % max) : (num % max)
}
function hsluv(hue, saturation, lightness, alpha=1.0) {
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return CppUtils.hsluv(hue, saturation, lightness, alpha)
}
function hueFrom(string) {
// Calculate and return a unique hue between 0 and 360 for the string
let hue = 0
for (let i = 0; i < string.length; i++) {
hue += string.charCodeAt(i) * 99
}
return hue % 360
}
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function nameColor(name, dim=false) {
return hsluv(
hueFrom(name),
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dim ?
theme.controls.displayName.dimSaturation :
theme.controls.displayName.saturation,
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dim ?
theme.controls.displayName.dimLightness :
theme.controls.displayName.lightness,
)
}
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function coloredNameHtml(name, userId, displayText=null, dim=false) {
// substring: remove leading @
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return `<font color="${nameColor(name || userId.substring(1), dim)}">`+
escapeHtml(displayText || name || userId) +
"</font>"
}
function escapeHtml(text) {
// Replace special HTML characters by encoded alternatives
return text.replace(/&/g, "&amp;")
.replace(/</g, "&lt;")
.replace(/>/g, "&gt;")
.replace(/"/g, "&quot;")
.replace(/'/g, "&#039;")
}
function stripHtmlTags(text) {
// XXX: Potentially unsafe!
return text.replace(/<\/?[^>]+(>|$)/g, "")
}
function plain2Html(text) {
// Escape html, convert `\n` into `<br>` tags and `\t` into four spaces
return escapeHtml(text).replace(/\n/g, "<br>")
.replace(/\t/g, "&nbsp;" * 4)
}
function htmlColorize(text, color) {
return `<font color="${color}">${text}</font>`
}
function processedEventText(ev) {
const type = ev.event_type
const unknownMsg = type === "RoomMessageUnknown"
const sender = coloredNameHtml(ev.sender_name, ev.sender_id)
if (type === "RoomMessageEmote")
return ev.content.match(/^\s*<(p|h[1-6])>/) ?
ev.content.replace(/(^\s*<(p|h[1-6])>)/, `$1${sender} `) :
sender + " " + ev.content
if (type.startsWith("RoomMessage") && ! unknownMsg)
return ev.content
if (type.startsWith("RoomEncrypted"))
return ev.content
if (type === "RedactedEvent") {
// FIXME: this can generate an "argument missing" warning because
// QML first gets notified of the event type change, *then* of the
// content change.
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let content = qsTr(escapeHtml(ev.content)).arg(sender)
if (ev.content.includes("%2"))
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content = content.arg(coloredNameHtml(
ev.redacter_name, ev.redacter_id, "", true,
))
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return qsTr(
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`<font color="${theme.chat.message.redactedBody}">` +
content +
"</font>"
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)
}
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if (ev.content.includes("%2")) {
const target = coloredNameHtml(ev.target_name, ev.target_id)
return qsTr(ev.content).arg(sender).arg(target)
}
return qsTr(ev.content).arg(sender)
}
function filterMatches(filter, text) {
if (! filter) return true
const filter_lower = filter.toLowerCase()
if (filter_lower === filter) {
// Consider case only if filter isn't all lowercase (smart case)
filter = filter_lower
text = text.toLowerCase()
}
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for (const word of filter.split(" ")) {
if (word && ! text.includes(word)) {
return false
}
}
return true
}
function filterMatchesAny(filter, ...texts) {
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for (const text of texts) {
if (filterMatches(filter, text)) return true
}
return false
}
function fitSize(minWidth, minHeight, width, height, maxWidth, maxHeight) {
if (width >= height) {
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const new_width = Math.min(Math.max(width, minWidth), maxWidth)
return Qt.size(new_width, height / (width / new_width))
}
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const new_height = Math.min(Math.max(height, minHeight), maxHeight)
return Qt.size(width / (height / new_height), new_height)
}
function minutesBetween(date1, date2) {
return ((date2 - date1) / 1000) / 60
}
function dateIsDay(date, dayDate) {
return date.getDate() === dayDate.getDate() &&
date.getMonth() === dayDate.getMonth() &&
date.getFullYear() === dayDate.getFullYear()
}
function dateIsToday(date) {
return dateIsDay(date, new Date())
}
function dateIsYesterday(date) {
const yesterday = new Date()
yesterday.setDate(yesterday.getDate() - 1)
return dateIsDay(date, yesterday)
}
function formatTime(time, seconds=true) {
return Qt.formatTime(
time,
Qt.locale().timeFormat(
seconds ? Locale.LongFormat : Locale.NarrowFormat
).replace(/\./g, ":").replace(/ t$/, "")
// en_DK.UTF-8 locale wrongfully gives "." separators;
// also remove the timezone at the end
)
}
function smartFormatDate(date) {
return (
date < new Date(1) ?
"" :
// e.g. "03:24"
dateIsToday(date) ?
formatTime(date, false) :
// e.g. "5 Dec"
date.getFullYear() === new Date().getFullYear() ?
Qt.formatDate(date, "d MMM") :
// e.g. "Jan 2020"
Qt.formatDate(date, "MMM yyyy")
)
}
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function formatRelativeTime(milliseconds, shortForm=true) {
const seconds = Math.floor(milliseconds / 1000)
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if (shortForm) {
return (
seconds < 60 ?
qsTr("%1s").arg(seconds) :
seconds < 60 * 60 ?
qsTr("%1mn").arg(Math.floor(seconds / 60)) :
seconds < 60 * 60 * 24 ?
qsTr("%1h").arg(Math.floor(seconds / 60 / 60)) :
seconds < 60 * 60 * 24 * 30 ?
qsTr("%1d").arg(Math.floor(seconds / 60 / 60 / 24)) :
seconds < 60 * 60 * 24 * 30 * 12 ?
qsTr("%1mo").arg(Math.floor(seconds / 60 / 60 / 24 / 30)) :
qsTr("%1y").arg(Math.floor(seconds / 60 / 60 / 24 / 30 / 12))
)
}
return (
seconds < 60 ?
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qsTr("%1 seconds").arg(seconds) :
seconds < 60 * 60 ?
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qsTr("%1 minutes").arg(Math.floor(seconds / 60)) :
seconds < 60 * 60 * 24 ?
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qsTr("%1 hours").arg(Math.floor(seconds / 60 / 60)) :
seconds < 60 * 60 * 24 * 30 ?
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qsTr("%1 days").arg(Math.floor(seconds / 60 / 60 / 24)) :
seconds < 60 * 60 * 24 * 30 * 12 ?
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qsTr("%1 months").arg(Math.floor(seconds / 60 / 60 / 24 / 30)) :
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qsTr("%1 years").arg(Math.floor(seconds / 60 / 60 / 24 / 30 / 12))
)
}
function formatDuration(milliseconds) {
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const totalSeconds = milliseconds / 1000
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const hours = Math.floor(totalSeconds / 3600)
let minutes = Math.floor((totalSeconds % 3600) / 60)
let seconds = Math.floor(totalSeconds % 60)
if (seconds < 10) seconds = `0${seconds}`
if (hours < 1) return `${minutes}:${seconds}`
if (minutes < 10) minutes = `0${minutes}`
return `${hours}:${minutes}:${seconds}`
}
function round(floatNumber, decimalDigits=2) {
return parseFloat(floatNumber.toFixed(decimalDigits))
}
function commaAndJoin(array) {
if (array.length === 0) return ""
if (array.length === 1) return array[0]
return qsTr("%1 and %2")
.arg(array.slice(0, -1).join(qsTr(", ")))
.arg(array.slice(-1)[0])
}
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function flickPages(flickable, pages, horizontal=false, multiplier=8) {
// Adapt velocity and deceleration for the number of pages to flick.
// If this is a repeated flicking, flick faster than a single flick.
if (! flickable.interactive) return
keyboardFlicking = true
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const futureVelocity =
(horizontal ? -flickable.width : -flickable.height) * pages
const currentVelocity =
horizontal ?
-flickable.horizontalVelocity :
-flickable.verticalVelocity
const goFaster =
(futureVelocity < 0 && currentVelocity < futureVelocity / 2) ||
(futureVelocity > 0 && currentVelocity > futureVelocity / 2)
const magicNumber = 2.5
const normalDecel = flickable.flickDeceleration
const normalMaxSpeed = flickable.maximumFlickVelocity
const fastMultiply =
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pages && multiplier / (1 - Math.log10(Math.abs(pages)))
flickable.maximumFlickVelocity = 5000
flickable.flickDeceleration = Math.max(
goFaster ? normalDecel : -Infinity,
Math.abs(normalDecel * magicNumber * pages),
)
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const flick =
futureVelocity * magicNumber * (goFaster ? fastMultiply : 1)
horizontal ? flickable.flick(flick, 0) : flickable.flick(0, flick)
flickable.maximumFlickVelocity = normalMaxSpeed
flickable.flickDeceleration = normalDecel
keyboardFlicking = false
}
function flickToTop(flickable) {
if (! flickable.interactive) return
if (flickable.visibleArea.yPosition < 0) return
flickable.contentY = flickable.originY
flickable.flick(0, 1000) // Force the delegates to load and bounce
}
function flickToBottom(flickable) {
if (! flickable.interactive) return
if (flickable.visibleArea.yPosition < 0) return
flickable.contentY =
flickable.originY + flickable.contentHeight - flickable.height
flickable.flick(0, -1000)
}
function urlFileName(url) {
return url.toString().split("/").slice(-1)[0].split("?")[0]
}
function urlExtension(url) {
return urlFileName(url).split(".").slice(-1)[0]
}
function getLinkType(url) {
const ext = urlExtension(url).toLowerCase()
return (
imageExtensions.includes(ext) ? Utils.Media.Image :
videoExtensions.includes(ext) ? Utils.Media.Video :
audioExtensions.includes(ext) ? Utils.Media.Audio :
Utils.Media.Page
)
}
function sumChildrenImplicitWidths(visibleChildren, spacing=0) {
let sum = 0
for (let i = 0; i < visibleChildren.length; i++) {
const item = visibleChildren[i]
if (item)
sum += (item.width > 0 ? item.implicitWidth : 0) + spacing
}
return sum
}
function getWordAtPosition(text, position) {
// getWordAtPosition("foo bar", 1) → {word: "foo", start: 0, end: 2}
let seen = -1
for (var word of text.split(/(\s+)/)) {
var start = seen + 1
seen += word.length
if (seen >= position) return {word, start, end: seen}
}
return {word, start, end: seen}
}
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function getClassPathRegex(obj) {
const regexParts = []
let parent = obj
while (parent) {
if (! parent.ntheme || ! parent.ntheme.classes.length) {
parent = parent.parent
continue
}
const names = []
const end = regexParts.length ? "\\.)?" : ")"
for (let i = 0; i < parent.ntheme.classes.length; i++)
names.push(parent.ntheme.classes[i].name)
regexParts.push("(" + names.join("|") + end)
parent = parent.parent
}
return new RegExp("^" + regexParts.reverse().join("") + "$")
}
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function formatPushRuleName(userId, rule) {
// rule: item from ModelStore.get(<userId>, "pushrules")
const roomColor = theme.colors.accentText
const room = ModelStore.get(userId, "rooms").find(rule.rule_id)
const text =
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rule.rule_id === ".m.rule.master" ?
qsTr("Any message") :
rule.rule_id === ".m.rule.suppress_notices" ?
qsTr("Messages sent by bots") :
rule.rule_id === ".m.rule.invite_for_me" ?
qsTr("Received room invites") :
rule.rule_id === ".m.rule.member_event" ?
qsTr("Membership, name & avatar changes") :
rule.rule_id === ".m.rule.contains_display_name" ?
qsTr("Messages containing my display name") :
rule.rule_id === ".m.rule.tombstone" ?
qsTr("Room migration alerts") :
rule.rule_id === ".m.rule.reaction" ?
qsTr("Emoji reactions") :
rule.rule_id === ".m.rule.roomnotif" ?
qsTr("Messages containing %1").arg(
htmlColorize("@room", roomColor),
) :
rule.rule_id === ".m.rule.contains_user_name" ?
qsTr("Contains %1").arg(coloredNameHtml(
"", userId, userId.split(":")[0].substring(1),
)):
rule.rule_id === ".m.rule.call" ?
qsTr("Incoming audio calls") :
rule.rule_id === ".m.rule.encrypted_room_one_to_one" ?
qsTr("Encrypted 1-to-1 messages") :
rule.rule_id === ".m.rule.room_one_to_one" ?
qsTr("Unencrypted 1-to-1 messages") :
rule.rule_id === ".m.rule.message" ?
qsTr("Unencrypted group messages") :
rule.rule_id === ".m.rule.encrypted" ?
qsTr("Encrypted group messages") :
rule.rule_id === ".im.vector.jitsi" ?
qsTr("Incoming Jitsi calls") :
rule.kind === "content" ?
qsTr('Contains "%1"').arg(rule.pattern) :
rule.kind === "sender" ?
coloredNameHtml("", rule.rule_id) :
room && room.display_name && rule.kind !== "room" ?
qsTr("Messages in room %1").arg(
htmlColorize(escapeHtml(room.display_name), roomColor)
) :
room && room.display_name ?
escapeHtml(room.display_name) :
escapeHtml(rule.rule_id)
return rule.enabled ? text : qsTr("%1 (disabled rule)").arg(text)
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}
}