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/*
* Copyright (C) 2018 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS''
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
* THE POSSIBILITY OF SUCH DAMAGE.
*/
WI.MediaTimelineView = class MediaTimelineView extends WI.TimelineView
{
constructor(timeline, extraArguments)
{
console.assert(timeline instanceof WI.Timeline);
console.assert(timeline.type === WI.TimelineRecord.Type.Media);
super(timeline, extraArguments);
this._timelineRuler = new WI.TimelineRuler;
const columns = {
name: {
title: WI.UIString("Name"),
width: "200px",
icon: true,
sortable: true,
locked: true,
},
element: {
title: WI.UIString("Element"),
width: "150px",
sortable: true,
locked: true,
},
graph: {
headerView: this._timelineRuler,
sortable: true,
locked: true,
},
};
this._dataGrid = new WI.TimelineDataGrid(columns);
this._dataGrid.sortDelegate = this;
this._dataGrid.sortColumnIdentifier = "graph";
this._dataGrid.sortOrder = WI.DataGrid.SortOrder.Ascending;
this._dataGrid.createSettings("media-timeline-view");
this.setupDataGrid(this._dataGrid);
this.addSubview(this._dataGrid);
this.element.classList.add("media");
timeline.addEventListener(WI.Timeline.Event.RecordAdded, this._handleRecordAdded, this);
this._pendingRecords = [];
for (let record of timeline.records)
this._processRecord(record);
}
// Public
get secondsPerPixel() { return this._timelineRuler.secondsPerPixel; }
get selectionPathComponents()
{
if (!this._dataGrid.selectedNode || this._dataGrid.selectedNode.hidden)
return null;
let pathComponent = new WI.TimelineDataGridNodePathComponent(this._dataGrid.selectedNode);
pathComponent.addEventListener(WI.HierarchicalPathComponent.Event.SiblingWasSelected, this._handleSelectionPathComponentSiblingSelected, this);
return [pathComponent];
}
shown()
{
super.shown();
this._dataGrid.shown();
}
hidden()
{
this._dataGrid.hidden();
super.hidden();
}
closed()
{
this.representedObject.removeEventListener(WI.Timeline.Event.RecordAdded, this._handleRecordAdded, this);
this._dataGrid.closed();
super.closed();
}
reset()
{
this._dataGrid.reset();
this._pendingRecords = [];
super.reset();
}
// TimelineDataGrid delegate
dataGridSortComparator(sortColumnIdentifier, sortDirection, node1, node2)
{
function compareDOMNodes(a, b) {
if (a && !b)
return -1;
if (b && !a)
return 1;
if (!a && !b)
return 0;
return a.displayName.extendedLocaleCompare(b.displayName);
}
if (sortColumnIdentifier === "name") {
let displayName1 = node1.displayName();
let displayName2 = node2.displayName();
return displayName1.extendedLocaleCompare(displayName2) * sortDirection;
}
if (sortColumnIdentifier === "element")
return compareDOMNodes(node1.record.domNode, node2.record.domNode) * sortDirection;
if (sortColumnIdentifier === "graph")
return (node1.record.startTime - node2.record.startTime) * sortDirection;
return null;
}
// Protected
layout()
{
super.layout();
this.endTime = Math.min(this.endTime, this.currentTime);
let oldZeroTime = this._timelineRuler.zeroTime;
let oldStartTime = this._timelineRuler.startTime;
let oldEndTime = this._timelineRuler.endTime;
this._timelineRuler.zeroTime = this.zeroTime;
this._timelineRuler.startTime = this.startTime;
this._timelineRuler.endTime = this.endTime;
// We only need to refresh the graphs when the any of the times change.
if (this.zeroTime !== oldZeroTime || this.startTime !== oldStartTime || this.endTime !== oldEndTime) {
for (let dataGridNode of this._dataGrid.children)
dataGridNode.refreshGraph();
}
this._processPendingRecords();
}
// Private
_processPendingRecords()
{
if (!this._pendingRecords.length)
return;
for (let timelineRecord of this._pendingRecords) {
this._dataGrid.addRowInSortOrder(new WI.MediaTimelineDataGridNode(timelineRecord, {
graphDataSource: this,
}));
}
this._pendingRecords = [];
}
_handleRecordAdded(event)
{
let mediaTimelineRecord = event.data.record;
console.assert(mediaTimelineRecord instanceof WI.MediaTimelineRecord);
this._processRecord(mediaTimelineRecord);
this.needsLayout();
}
_processRecord(mediaTimelineRecord)
{
this._pendingRecords.push(mediaTimelineRecord);
}
_handleSelectionPathComponentSiblingSelected(event)
{
let pathComponent = event.data.pathComponent;
console.assert(pathComponent instanceof WI.TimelineDataGridNodePathComponent);
let dataGridNode = pathComponent.timelineDataGridNode;
console.assert(dataGridNode.dataGrid === this._dataGrid);
dataGridNode.revealAndSelect();
}
};