moment/src/qml/utils.js

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// Copyright 2019 miruka
// This file is part of harmonyqml, licensed under LGPLv3.
function hsluv(hue, saturation, lightness, alpha=1.0) {
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let rgb = py.callSync("hsluv", [hue, saturation, lightness])
return Qt.rgba(rgb[0], rgb[1], rgb[2], alpha)
}
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function hsl(hue, saturation, lightness) {
return hsla(hue, saturation, lightness)
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}
function hsla(hue, saturation, lightness, alpha=1.0) {
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// Convert standard hsla(0-360, 1-100, 1-100, 0-1) to Qt format
return Qt.hsla(hue / 360, saturation / 100, lightness / 100, alpha)
}
function arrayToModelItem(keysName, array) {
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// Convert an array to an object suitable to be in a model, example:
// [1, 2, 3] → [{keysName: 1}, {keysName: 2}, {keysName: 3}]
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let items = []
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for (let item of array) {
let obj = {}
obj[keysName] = item
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items.push(obj)
}
return items
}
function hueFrom(string) {
// Calculate and return a unique hue between 0 and 360 for the string
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let hue = 0
for (let i = 0; i < string.length; i++) {
hue += string.charCodeAt(i) * 99
}
return hue % 360
}
function nameColor(name) {
return hsl(
hueFrom(name),
theme.controls.displayName.saturation,
theme.controls.displayName.lightness,
)
}
function coloredNameHtml(name, userId, displayText=null) {
// substring: remove leading @
return "<font color='" + nameColor(name || userId.substring(1)) + "'>" +
escapeHtml(displayText || name || userId) +
"</font>"
}
function escapeHtml(string) {
// Replace special HTML characters by encoded alternatives
return string.replace("&", "&amp;")
.replace("<", "&lt;")
.replace(">", "&gt;")
.replace('"', "&quot;")
.replace("'", "&#039;")
}
function processedEventText(ev) {
if (ev.eventType == "RoomMessageEmote") {
let name = users.find(ev.senderId).displayName
return "<i>" + coloredNameHtml(name) + " " + ev.content + "</i>"
}
if (ev.eventType.startsWith("RoomMessage")) { return ev.content }
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let name = users.find(ev.senderId).displayName
let text = qsTr(ev.content).arg(coloredNameHtml(name, ev.senderId))
if (text.includes("%2") && ev.targetUserId) {
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let tname = users.find(ev.targetUserId).displayName
text = text.arg(coloredNameHtml(tname, ev.targetUserId))
}
return text
}
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function filterMatches(filter, text) {
filter = filter.toLowerCase()
text = text.toLowerCase()
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let words = filter.split(" ")
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for (let word of words) {
if (word && ! text.includes(word)) {
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return false
}
}
return true
}
function thumbnailParametersFor(width, height) {
// https://matrix.org/docs/spec/client_server/latest#thumbnails
if (width > 640 || height > 480)
return {width: 800, height: 600, fillMode: Image.PreserveAspectFit}
if (width > 320 || height > 240)
return {width: 640, height: 480, fillMode: Image.PreserveAspectFit}
if (width > 96 || height > 96)
return {width: 320, height: 240, fillMode: Image.PreserveAspectFit}
if (width > 32 || height > 32)
return {width: 96, height: 96, fillMode: Image.PreserveAspectCrop}
return {width: 32, height: 32, fillMode: Image.PreserveAspectCrop}
}
function minutesBetween(date1, date2) {
return Math.round((((date2 - date1) % 86400000) % 3600000) / 60000)
}