130 lines
4.1 KiB
JavaScript
130 lines
4.1 KiB
JavaScript
/*
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Copyright 2015, 2016 OpenMarket Ltd
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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'use strict';
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import {ContentRepo} from 'matrix-js-sdk';
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import MatrixClientPeg from './MatrixClientPeg';
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import DMRoomMap from './utils/DMRoomMap';
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module.exports = {
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avatarUrlForMember: function(member, width, height, resizeMethod) {
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let url = member.getAvatarUrl(
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MatrixClientPeg.get().getHomeserverUrl(),
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Math.floor(width * window.devicePixelRatio),
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Math.floor(height * window.devicePixelRatio),
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resizeMethod,
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false,
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false,
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);
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if (!url) {
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// member can be null here currently since on invites, the JS SDK
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// does not have enough info to build a RoomMember object for
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// the inviter.
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url = this.defaultAvatarUrlForString(member ? member.userId : '');
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}
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return url;
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},
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avatarUrlForUser: function(user, width, height, resizeMethod) {
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const url = ContentRepo.getHttpUriForMxc(
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MatrixClientPeg.get().getHomeserverUrl(), user.avatarUrl,
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Math.floor(width * window.devicePixelRatio),
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Math.floor(height * window.devicePixelRatio),
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resizeMethod,
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);
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if (!url || url.length === 0) {
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return null;
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}
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return url;
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},
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defaultAvatarUrlForString: function(s) {
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const images = ['03b381', '368bd6', 'ac3ba8'];
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let total = 0;
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for (let i = 0; i < s.length; ++i) {
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total += s.charCodeAt(i);
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}
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return require('../res/img/' + images[total % images.length] + '.png');
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},
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/**
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* returns the first (non-sigil) character of 'name',
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* converted to uppercase
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* @param {string} name
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* @return {string} the first letter
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*/
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getInitialLetter(name) {
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if (name.length < 1) {
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return undefined;
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}
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let idx = 0;
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const initial = name[0];
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if ((initial === '@' || initial === '#' || initial === '+') && name[1]) {
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idx++;
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}
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// string.codePointAt(0) would do this, but that isn't supported by
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// some browsers (notably PhantomJS).
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let chars = 1;
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const first = name.charCodeAt(idx);
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// check if it’s the start of a surrogate pair
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if (first >= 0xD800 && first <= 0xDBFF && name[idx+1]) {
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const second = name.charCodeAt(idx+1);
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if (second >= 0xDC00 && second <= 0xDFFF) {
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chars++;
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}
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}
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const firstChar = name.substring(idx, idx+chars);
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return firstChar.toUpperCase();
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},
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avatarUrlForRoom(room, width, height, resizeMethod) {
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const explicitRoomAvatar = room.getAvatarUrl(
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MatrixClientPeg.get().getHomeserverUrl(),
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width,
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height,
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resizeMethod,
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false,
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);
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if (explicitRoomAvatar) {
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return explicitRoomAvatar;
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}
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let otherMember = null;
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const otherUserId = DMRoomMap.shared().getUserIdForRoomId(room.roomId);
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if (otherUserId) {
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otherMember = room.getMember(otherUserId);
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} else {
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// if the room is not marked as a 1:1, but only has max 2 members
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// then still try to show any avatar (pref. other member)
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otherMember = room.getAvatarFallbackMember();
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}
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if (otherMember) {
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return otherMember.getAvatarUrl(
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MatrixClientPeg.get().getHomeserverUrl(),
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width,
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height,
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resizeMethod,
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false,
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);
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}
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return null;
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},
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};
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