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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 'use strict';
      6 
      7 base.require('tracks.container_track');
      8 base.require('tracks.slice_track');
      9 base.require('filter');
     10 base.require('model');
     11 base.require('ui');
     12 base.exportTo('tracing.tracks', function() {
     13 
     14   /**
     15    * Visualizes a Cpu using a series of of SliceTracks.
     16    * @constructor
     17    */
     18   var CpuTrack =
     19       tracing.ui.define(tracing.tracks.ContainerTrack);
     20   CpuTrack.prototype = {
     21     __proto__: tracing.tracks.ContainerTrack.prototype,
     22 
     23     decorate: function() {
     24       this.classList.add('cpu-track');
     25     },
     26 
     27     get cpu() {
     28       return this.cpu_;
     29     },
     30 
     31     set cpu(cpu) {
     32       this.cpu_ = cpu;
     33       this.updateChildTracks_();
     34     },
     35 
     36     get tooltip() {
     37       return this.tooltip_;
     38     },
     39 
     40     set tooltip(value) {
     41       this.tooltip_ = value;
     42       this.updateChildTracks_();
     43     },
     44 
     45     get heading() {
     46       return this.heading_;
     47     },
     48 
     49     set heading(h) {
     50       this.heading_ = h;
     51       this.updateChildTracks_();
     52     },
     53 
     54     applyCategoryFilter_: function() {
     55       if (this.categoryFilter.matchCpu(this.cpu_))
     56         this.updateChildTracks_();
     57       else
     58         this.visible = false;
     59     },
     60 
     61     updateChildTracks_: function() {
     62       this.detach();
     63       if (this.cpu_) {
     64         var slices = tracing.filterSliceArray(this.categoryFilter_,
     65                                               this.cpu_.slices);
     66         if (slices.length) {
     67           var track = new tracing.tracks.SliceTrack();
     68           track.slices = slices;
     69           track.heading = this.heading_;
     70           track.tooltip = this.tooltip_;
     71           this.addTrack_(track);
     72         }
     73 
     74         for (var counterName in this.cpu_.counters) {
     75           var counter = this.cpu_.counters[counterName];
     76           track = new tracing.tracks.CounterTrack();
     77           track.heading = 'CPU ' + this.cpu_.cpuNumber + ' ' +
     78               counter.name + ':';
     79           track.counter = counter;
     80           this.addTrack_(track);
     81         }
     82       }
     83       this.addControlButtonElements_(false);
     84     }
     85   };
     86 
     87   return {
     88     CpuTrack: CpuTrack
     89   };
     90 });
     91