60 lines
2.2 KiB
JavaScript
60 lines
2.2 KiB
JavaScript
/*
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Copyright 2021 The Matrix.org Foundation C.I.C.
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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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import {tag, text, classNames, setAttribute} from "./general/html";
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/**
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* @param {Object} vm view model with {avatarUrl, avatarColorNumber, avatarTitle, avatarLetter}
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* @param {Number} size
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* @return {Element}
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*/
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export function renderStaticAvatar(vm, size, extraClasses = undefined) {
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const hasAvatar = !!vm.avatarUrl(size);
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let avatarClasses = classNames({
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avatar: true,
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[`size-${size}`]: true,
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[`usercolor${vm.avatarColorNumber}`]: !hasAvatar
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});
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if (extraClasses) {
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avatarClasses += ` ${extraClasses}`;
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}
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const avatarContent = hasAvatar ? renderImg(vm, size) : text(vm.avatarLetter);
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const avatar = tag.div({className: avatarClasses}, [avatarContent]);
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if (hasAvatar) {
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setAttribute(avatar, "data-avatar-letter", vm.avatarLetter);
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setAttribute(avatar, "data-avatar-color", vm.avatarColorNumber);
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}
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return avatar;
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}
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export function renderImg(vm, size) {
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const sizeStr = size.toString();
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return tag.img({src: vm.avatarUrl(size), width: sizeStr, height: sizeStr, title: vm.avatarTitle});
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}
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function isAvatarEvent(e) {
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const element = e.target;
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const parent = element.parentElement;
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return element.tagName === "IMG" && parent.classList.contains("avatar");
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}
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export function handleAvatarError(e) {
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if (!isAvatarEvent(e)) { return; }
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const parent = e.target.parentElement;
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const avatarColorNumber = parent.getAttribute("data-avatar-color");
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parent.classList.add(`usercolor${avatarColorNumber}`);
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const avatarLetter = parent.getAttribute("data-avatar-letter");
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parent.textContent = avatarLetter;
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}
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