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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
'use strict';
/**
* @fileoverview Provides the Process class.
*/
base.require('tracing.trace_model.process_base');
base.exportTo('tracing.trace_model', function() {
var ProcessBase = tracing.trace_model.ProcessBase;
/**
* The Process represents a single userland process in the
* trace.
* @constructor
*/
function Process(model, pid) {
if (model === undefined)
throw new Error('model must be provided');
if (pid === undefined)
throw new Error('pid must be provided');
tracing.trace_model.ProcessBase.call(this, model);
this.pid = pid;
this.name = undefined;
this.labels = [];
this.instantEvents = [];
};
/**
* Comparison between processes that orders by pid.
*/
Process.compare = function(x, y) {
var tmp = tracing.trace_model.ProcessBase.compare(x, y);
if (tmp)
return tmp;
tmp = base.comparePossiblyUndefinedValues(
x.name, y.name,
function(x, y) { return x.localeCompare(y); });
if (tmp)
return tmp;
tmp = base.compareArrays(x.labels, y.labels,
function(x, y) { return x.localeCompare(y); });
if (tmp)
return tmp;
return x.pid - y.pid;
};
Process.prototype = {
__proto__: tracing.trace_model.ProcessBase.prototype,
compareTo: function(that) {
return Process.compare(this, that);
},
pushInstantEvent: function(instantEvent) {
this.instantEvents.push(instantEvent);
},
get userFriendlyName() {
var res;
if (this.name)
res = this.name + ' (pid ' + this.pid + ')';
else
res = 'Process ' + this.pid;
if (this.labels.length)
res += ': ' + this.labels.join(', ');
return res;
},
get userFriendlyDetails() {
if (this.name)
return this.name + ' (pid ' + this.pid + ')';
return 'pid: ' + this.pid;
},
getSettingsKey: function() {
if (!this.name)
return undefined;
if (!this.labels.length)
return 'processes.' + this.name;
return 'processes.' + this.name + '.' + this.labels.join('.');
},
shiftTimestampsForward: function(amount) {
for (var id in this.instantEvents)
this.instantEvents[id].start += amount;
tracing.trace_model.ProcessBase.prototype
.shiftTimestampsForward.apply(this, arguments);
},
iterateAllEvents: function(callback) {
this.instantEvents.forEach(callback);
ProcessBase.prototype.iterateAllEvents.call(this, callback);
}
};
return {
Process: Process
};
});
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