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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.timeline_container_track');
      8 base.require('tracks.timeline_slice_track');
      9 base.require('timeline_filter');
     10 base.require('timeline_model');
     11 base.require('ui');
     12 base.exportTo('tracks', function() {
     13 
     14   /**
     15    * Visualizes a TimelineCpu using a series of of TimelineSliceTracks.
     16    * @constructor
     17    */
     18   var TimelineCpuTrack = base.ui.define(tracks.TimelineContainerTrack);
     19   TimelineCpuTrack.prototype = {
     20     __proto__: tracks.TimelineContainerTrack.prototype,
     21 
     22     decorate: function() {
     23       this.classList.add('timeline-cpu-track');
     24     },
     25 
     26     get cpu() {
     27       return this.cpu_;
     28     },
     29 
     30     set cpu(cpu) {
     31       this.cpu_ = cpu;
     32       this.updateChildTracks_();
     33     },
     34 
     35     get tooltip() {
     36       return this.tooltip_;
     37     },
     38 
     39     set tooltip(value) {
     40       this.tooltip_ = value;
     41       this.updateChildTracks_();
     42     },
     43 
     44     get heading() {
     45       return this.heading_;
     46     },
     47 
     48     set heading(h) {
     49       this.heading_ = h;
     50       this.updateChildTracks_();
     51     },
     52 
     53     applyCategoryFilter_: function() {
     54       if (this.categoryFilter.matchCpu(this.cpu_))
     55         this.updateChildTracks_();
     56       else
     57         this.visible = false;
     58     },
     59 
     60     updateChildTracks_: function() {
     61       this.detach();
     62       if (this.cpu_) {
     63         var slices = tracing.filterSliceArray(this.categoryFilter_,
     64                                               this.cpu_.slices);
     65         if (slices.length) {
     66           var track = new tracks.TimelineSliceTrack();
     67           track.slices = slices;
     68           track.heading = this.heading_;
     69           track.tooltip = this.tooltip_;
     70           this.addTrack_(track);
     71         }
     72 
     73         for (var counterName in this.cpu_.counters) {
     74           var counter = this.cpu_.counters[counterName];
     75           track = new tracks.TimelineCounterTrack();
     76           track.heading = 'CPU ' + this.cpu_.cpuNumber + ' ' +
     77               counter.name + ':';
     78           track.counter = counter;
     79           this.addTrack_(track);
     80         }
     81       }
     82       this.addControlButtonElements_(false);
     83     }
     84   };
     85 
     86   return {
     87     TimelineCpuTrack: TimelineCpuTrack
     88   };
     89 });
     90