127 lines
3.1 KiB
Plaintext
127 lines
3.1 KiB
Plaintext
import Component from "@glimmer/component";
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import { tracked } from "@glimmer/tracking";
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import { fn } from "@ember/helper";
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import { action } from "@ember/object";
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import didInsert from "@ember/render-modifiers/modifiers/did-insert";
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import didUpdate from "@ember/render-modifiers/modifiers/did-update";
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import willDestroy from "@ember/render-modifiers/modifiers/will-destroy";
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import { cancel } from "@ember/runloop";
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import concatClass from "discourse/helpers/concat-class";
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import i18n from "discourse-common/helpers/i18n";
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import discourseLater from "discourse-common/lib/later";
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import AiIndicatorWave from "./ai-indicator-wave";
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class Block {
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@tracked show = false;
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@tracked shown = false;
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@tracked blinking = false;
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constructor(args = {}) {
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this.show = args.show ?? false;
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this.shown = args.shown ?? false;
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}
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}
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const BLOCKS_SIZE = 20; // changing this requires to change css accordingly
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export default class AiSummarySkeleton extends Component {
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blocks = [...Array.from({ length: BLOCKS_SIZE }, () => new Block())];
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#nextBlockBlinkingTimer;
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#blockBlinkingTimer;
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#blockShownTimer;
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@action
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setupAnimation() {
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this.blocks.firstObject.show = true;
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this.blocks.firstObject.shown = true;
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}
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@action
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onBlinking(block) {
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if (!block.blinking) {
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return;
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}
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block.show = false;
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this.#nextBlockBlinkingTimer = discourseLater(
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this,
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() => {
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this.#nextBlock(block).blinking = true;
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},
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250
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);
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this.#blockBlinkingTimer = discourseLater(
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this,
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() => {
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block.blinking = false;
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},
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500
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);
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}
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@action
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onShowing(block) {
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if (!block.show) {
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return;
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}
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this.#blockShownTimer = discourseLater(
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this,
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() => {
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this.#nextBlock(block).show = true;
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this.#nextBlock(block).shown = true;
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if (this.blocks.lastObject === block) {
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this.blocks.firstObject.blinking = true;
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}
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},
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250
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);
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}
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@action
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teardownAnimation() {
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cancel(this.#blockShownTimer);
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cancel(this.#nextBlockBlinkingTimer);
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cancel(this.#blockBlinkingTimer);
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}
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#nextBlock(currentBlock) {
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if (currentBlock === this.blocks.lastObject) {
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return this.blocks.firstObject;
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} else {
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return this.blocks.objectAt(this.blocks.indexOf(currentBlock) + 1);
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}
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}
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<template>
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<div class="ai-summary__container">
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<ul class="ai-summary__list" {{didInsert this.setupAnimation}}>
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{{#each this.blocks as |block|}}
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<li
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class={{concatClass
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"ai-summary__list-item"
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(if block.show "show")
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(if block.shown "is-shown")
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(if block.blinking "blink")
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}}
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{{didUpdate (fn this.onBlinking block) block.blinking}}
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{{didUpdate (fn this.onShowing block) block.show}}
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{{willDestroy this.teardownAnimation}}
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></li>
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{{/each}}
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</ul>
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<span>
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<div class="ai-summary__generating-text">
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{{i18n "summary.in_progress"}}
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</div>
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<AiIndicatorWave @loading={{true}} />
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</span>
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</div>
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</template>
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}
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