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// Copyright 2020 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
import './timeline/timeline-track.mjs';
import './timeline/timeline-track-map.mjs';
import './timeline/timeline-track-tick.mjs';
import './timeline/timeline-track-timer.mjs';
import {SynchronizeSelectionEvent} from './events.mjs';
import {DOM, V8CustomElement} from './helper.mjs';
DOM.defineCustomElement(
'view/timeline-panel',
(templateText) => class TimelinePanel extends V8CustomElement {
constructor() {
super(templateText);
this.addEventListener('scrolltrack', e => this.handleTrackScroll(e));
this.addEventListener(
SynchronizeSelectionEvent.name,
e => this.handleSelectionSyncronization(e));
this.$('#zoomIn').onclick = () => this.nofChunks *= 1.5;
this.$('#zoomOut').onclick = () => this.nofChunks /= 1.5;
}
set nofChunks(count) {
const time = this.currentTime
for (const track of this.timelineTracks) {
track.nofChunks = count;
track.currentTime = time;
}
}
get nofChunks() {
return this.timelineTracks[0].nofChunks;
}
get currentTime() {
return this.timelineTracks[0].currentTime;
}
get timelineTracks() {
return this.$('slot').assignedNodes().filter(
node => node.nodeType === Node.ELEMENT_NODE);
}
handleTrackScroll(event) {
for (const track of this.timelineTracks) {
track.scrollLeft = event.detail;
}
}
handleSelectionSyncronization(event) {
this.timeSelection = {start: event.start, end: event.end};
}
set timeSelection(timeSelection) {
if (timeSelection.start > timeSelection.end) {
throw new Error('Invalid time range');
}
for (const track of this.timelineTracks) {
track.timeSelection = timeSelection;
}
}
});
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