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/*
* Copyright (C) 2013 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.
*/
WebInspector.Timeline = function(type)
{
if (this.constructor === WebInspector.Timeline) {
// When instantiated directly, potentially return an instance of a concrete subclass.
if (type === WebInspector.TimelineRecord.Type.Network)
return new WebInspector.NetworkTimeline(type);
}
WebInspector.Object.call(this);
this._type = type;
this.reset(true);
};
WebInspector.Timeline.Event = {
Reset: "timeline-reset",
RecordAdded: "timeline-record-added",
TimesUpdated: "timeline-times-updated"
};
WebInspector.Timeline.prototype = {
constructor: WebInspector.Timeline,
__proto__: WebInspector.Object.prototype,
// Public
get startTime()
{
return this._startTime;
},
get endTime()
{
return this._endTime;
},
get records()
{
return this._records;
},
get type()
{
return this._type;
},
reset: function(suppressEvents)
{
this._records = [];
this._startTime = NaN;
this._endTime = NaN;
if (!suppressEvents) {
this.dispatchEventToListeners(WebInspector.Timeline.Event.Reset);
this.dispatchEventToListeners(WebInspector.Timeline.Event.TimesUpdated);
}
},
addRecord: function(record)
{
if (record.updatesDynamically)
record.addEventListener(WebInspector.TimelineRecord.Event.Updated, this._recordUpdated, this);
this._records.push(record);
this._updateTimesIfNeeded(record);
this.dispatchEventToListeners(WebInspector.Timeline.Event.RecordAdded, {record: record});
},
// Private
_updateTimesIfNeeded: function(record)
{
var changed = false;
if (isNaN(this._startTime) || record.startTime < this._startTime) {
this._startTime = record.startTime;
changed = true;
}
if (isNaN(this._endTime) || this._endTime < record.endTime) {
this._endTime = record.endTime;
changed = true;
}
if (changed)
this.dispatchEventToListeners(WebInspector.Timeline.Event.TimesUpdated);
},
_recordUpdated: function(event)
{
this._updateTimesIfNeeded(event.target);
}
};
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