matrix-react-sdk
Version:
SDK for matrix.org using React
158 lines (147 loc) • 21.4 kB
JavaScript
;
var _interopRequireDefault = require("@babel/runtime/helpers/interopRequireDefault");
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.avatarUrlForMember = avatarUrlForMember;
exports.avatarUrlForRoom = avatarUrlForRoom;
exports.avatarUrlForUser = avatarUrlForUser;
exports.defaultAvatarUrlForString = defaultAvatarUrlForString;
exports.getAvatarTextColor = getAvatarTextColor;
exports.getInitialLetter = getInitialLetter;
var _compoundWeb = require("@vector-im/compound-web");
var _DMRoomMap = _interopRequireDefault(require("./utils/DMRoomMap"));
var _Media = require("./customisations/Media");
var _isLocalRoom = require("./utils/localRoom/isLocalRoom");
var _strings = require("./utils/strings");
/*
Copyright 2024 New Vector Ltd.
Copyright 2015, 2016 OpenMarket Ltd
SPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only
Please see LICENSE files in the repository root for full details.
*/
/**
* Hardcoded from the Compound colors.
* Shade for background as defined in the compound web implementation
* https://github.com/vector-im/compound-web/blob/main/src/components/Avatar
*/
const AVATAR_BG_COLORS = ["#e9f2ff", "#faeefb", "#e3f7ed", "#ffecf0", "#ffefe4", "#e3f5f8", "#f1efff", "#e0f8d9"];
const AVATAR_TEXT_COLORS = ["#043894", "#671481", "#004933", "#7e0642", "#850000", "#004077", "#4c05b5", "#004b00"];
// Not to be used for BaseAvatar urls as that has similar default avatar fallback already
function avatarUrlForMember(member, width, height, resizeMethod) {
let url;
if (member?.getMxcAvatarUrl()) {
url = (0, _Media.mediaFromMxc)(member.getMxcAvatarUrl()).getThumbnailOfSourceHttp(width, height, resizeMethod);
}
if (!url) {
// member can be null here currently since on invites, the JS SDK
// does not have enough info to build a RoomMember object for
// the inviter.
url = defaultAvatarUrlForString(member ? member.userId : "");
}
return url;
}
/**
* Determines the HEX color to use in the avatar pills
* @param id the user or room ID
* @returns the text color to use on the avatar
*/
function getAvatarTextColor(id) {
// eslint-disable-next-line react-hooks/rules-of-hooks
const index = (0, _compoundWeb.useIdColorHash)(id);
return AVATAR_TEXT_COLORS[index - 1];
}
function avatarUrlForUser(user, width, height, resizeMethod) {
if (!user.avatarUrl) return null;
return (0, _Media.mediaFromMxc)(user.avatarUrl).getThumbnailOfSourceHttp(width, height, resizeMethod);
}
function isValidHexColor(color) {
return typeof color === "string" && (color.length === 7 || color.length === 9) && color.charAt(0) === "#" && !color.slice(1).split("").some(c => isNaN(parseInt(c, 16)));
}
function urlForColor(color) {
const size = 40;
const canvas = document.createElement("canvas");
canvas.width = size;
canvas.height = size;
const ctx = canvas.getContext("2d");
// bail out when using jsdom in unit tests
if (!ctx) {
return "";
}
ctx.fillStyle = color;
ctx.fillRect(0, 0, size, size);
return canvas.toDataURL();
}
// XXX: Ideally we'd clear this cache when the theme changes
// but since this function is at global scope, it's a bit
// hard to install a listener here, even if there were a clear event to listen to
const colorToDataURLCache = new Map();
function defaultAvatarUrlForString(s) {
if (!s) return ""; // XXX: should never happen but empirically does by evidence of a rageshake
// eslint-disable-next-line react-hooks/rules-of-hooks
const colorIndex = (0, _compoundWeb.useIdColorHash)(s);
// overwritten color value in custom themes
const cssVariable = `--avatar-background-colors_${colorIndex}`;
const cssValue = getComputedStyle(document.body).getPropertyValue(cssVariable);
const color = cssValue || AVATAR_BG_COLORS[colorIndex - 1];
let dataUrl = colorToDataURLCache.get(color);
if (!dataUrl) {
// validate color as this can come from account_data
// with custom theming
if (isValidHexColor(color)) {
dataUrl = urlForColor(color);
colorToDataURLCache.set(color, dataUrl);
} else {
dataUrl = "";
}
}
return dataUrl;
}
/**
* returns the first (non-sigil) character of 'name',
* converted to uppercase
* @param {string} name
* @return {string} the first letter
*/
function getInitialLetter(name) {
if (!name) {
// XXX: We should find out what causes the name to sometimes be falsy.
console.trace("`name` argument to `getInitialLetter` not supplied");
return undefined;
}
if (name.length < 1) {
return undefined;
}
const initial = name[0];
if ((initial === "@" || initial === "#" || initial === "+") && name[1]) {
name = name.substring(1);
}
return (0, _strings.getFirstGrapheme)(name).toUpperCase();
}
function avatarUrlForRoom(room, width, height, resizeMethod) {
if (!room) return null; // null-guard
if (room.getMxcAvatarUrl()) {
const media = (0, _Media.mediaFromMxc)(room.getMxcAvatarUrl() ?? undefined);
if (width !== undefined && height !== undefined) {
return media.getThumbnailOfSourceHttp(width, height, resizeMethod);
}
return media.srcHttp;
}
// space rooms cannot be DMs so skip the rest
if (room.isSpaceRoom()) return null;
// If the room is not a DM don't fallback to a member avatar
if (!_DMRoomMap.default.shared().getUserIdForRoomId(room.roomId) && !(0, _isLocalRoom.isLocalRoom)(room)) {
return null;
}
// If there are only two members in the DM use the avatar of the other member
const otherMember = room.getAvatarFallbackMember();
if (otherMember?.getMxcAvatarUrl()) {
const media = (0, _Media.mediaFromMxc)(otherMember.getMxcAvatarUrl());
if (width !== undefined && height !== undefined) {
return media.getThumbnailOfSourceHttp(width, height, resizeMethod);
}
return media.srcHttp;
}
return null;
}
//# 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2024 New Vector Ltd.\nCopyright 2015, 2016 OpenMarket Ltd\n\nSPDX-License-Identifier: AGPL-3.0-only OR GPL-3.0-only\nPlease see LICENSE files in the repository root for full details.\n*/\n\nimport { RoomMember, User, Room, ResizeMethod } from \"matrix-js-sdk/src/matrix\";\nimport { useIdColorHash } from \"@vector-im/compound-web\";\n\nimport DMRoomMap from \"./utils/DMRoomMap\";\nimport { mediaFromMxc } from \"./customisations/Media\";\nimport { isLocalRoom } from \"./utils/localRoom/isLocalRoom\";\nimport { getFirstGrapheme } from \"./utils/strings\";\n\n/**\n * Hardcoded from the Compound colors.\n * Shade for background as defined in the compound web implementation\n * https://github.com/vector-im/compound-web/blob/main/src/components/Avatar\n */\nconst AVATAR_BG_COLORS = [\"#e9f2ff\", \"#faeefb\", \"#e3f7ed\", \"#ffecf0\", \"#ffefe4\", \"#e3f5f8\", \"#f1efff\", \"#e0f8d9\"];\nconst AVATAR_TEXT_COLORS = [\"#043894\", \"#671481\", \"#004933\", \"#7e0642\", \"#850000\", \"#004077\", \"#4c05b5\", \"#004b00\"];\n\n// Not to be used for BaseAvatar urls as that has similar default avatar fallback already\nexport function avatarUrlForMember(\n    member: RoomMember | undefined,\n    width: number,\n    height: number,\n    resizeMethod: ResizeMethod,\n): string {\n    let url: string | null | undefined;\n    if (member?.getMxcAvatarUrl()) {\n        url = mediaFromMxc(member.getMxcAvatarUrl()).getThumbnailOfSourceHttp(width, height, resizeMethod);\n    }\n    if (!url) {\n        // member can be null here currently since on invites, the JS SDK\n        // does not have enough info to build a RoomMember object for\n        // the inviter.\n        url = defaultAvatarUrlForString(member ? member.userId : \"\");\n    }\n    return url;\n}\n\n/**\n * Determines the HEX color to use in the avatar pills\n * @param id the user or room ID\n * @returns the text color to use on the avatar\n */\nexport function getAvatarTextColor(id: string): string {\n    // eslint-disable-next-line react-hooks/rules-of-hooks\n    const index = useIdColorHash(id);\n\n    return AVATAR_TEXT_COLORS[index - 1];\n}\n\nexport function avatarUrlForUser(\n    user: Pick<User, \"avatarUrl\">,\n    width: number,\n    height: number,\n    resizeMethod?: ResizeMethod,\n): string | null {\n    if (!user.avatarUrl) return null;\n    return mediaFromMxc(user.avatarUrl).getThumbnailOfSourceHttp(width, height, resizeMethod);\n}\n\nfunction isValidHexColor(color: string): boolean {\n    return (\n        typeof color === \"string\" &&\n        (color.length === 7 || color.length === 9) &&\n        color.charAt(0) === \"#\" &&\n        !color\n            .slice(1)\n            .split(\"\")\n            .some((c) => isNaN(parseInt(c, 16)))\n    );\n}\n\nfunction urlForColor(color: string): string {\n    const size = 40;\n    const canvas = document.createElement(\"canvas\");\n    canvas.width = size;\n    canvas.height = size;\n    const ctx = canvas.getContext(\"2d\");\n    // bail out when using jsdom in unit tests\n    if (!ctx) {\n        return \"\";\n    }\n    ctx.fillStyle = color;\n    ctx.fillRect(0, 0, size, size);\n    return canvas.toDataURL();\n}\n\n// XXX: Ideally we'd clear this cache when the theme changes\n// but since this function is at global scope, it's a bit\n// hard to install a listener here, even if there were a clear event to listen to\nconst colorToDataURLCache = new Map<string, string>();\n\nexport function defaultAvatarUrlForString(s: string): string {\n    if (!s) return \"\"; // XXX: should never happen but empirically does by evidence of a rageshake\n    // eslint-disable-next-line react-hooks/rules-of-hooks\n    const colorIndex = useIdColorHash(s);\n    // overwritten color value in custom themes\n    const cssVariable = `--avatar-background-colors_${colorIndex}`;\n    const cssValue = getComputedStyle(document.body).getPropertyValue(cssVariable);\n    const color = cssValue || AVATAR_BG_COLORS[colorIndex - 1];\n    let dataUrl = colorToDataURLCache.get(color);\n    if (!dataUrl) {\n        // validate color as this can come from account_data\n        // with custom theming\n        if (isValidHexColor(color)) {\n            dataUrl = urlForColor(color);\n            colorToDataURLCache.set(color, dataUrl);\n        } else {\n            dataUrl = \"\";\n        }\n    }\n    return dataUrl;\n}\n\n/**\n * returns the first (non-sigil) character of 'name',\n * converted to uppercase\n * @param {string} name\n * @return {string} the first letter\n */\nexport function getInitialLetter(name: string): string | undefined {\n    if (!name) {\n        // XXX: We should find out what causes the name to sometimes be falsy.\n        console.trace(\"`name` argument to `getInitialLetter` not supplied\");\n        return undefined;\n    }\n    if (name.length < 1) {\n        return undefined;\n    }\n\n    const initial = name[0];\n    if ((initial === \"@\" || initial === \"#\" || initial === \"+\") && name[1]) 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