| <!DOCTYPE html> |
| <!-- |
| Copyright (c) 2013 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. |
| --> |
| |
| <link rel="import" href="/tracing/ui/base/draw_helpers.html"> |
| <link rel="import" href="/tracing/ui/tracks/process_memory_dump_track.html"> |
| <link rel="import" href="/tracing/ui/tracks/process_track_base.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tr.exportTo('tr.ui.tracks', function() { |
| var ProcessTrackBase = tr.ui.tracks.ProcessTrackBase; |
| |
| /** |
| * @constructor |
| */ |
| var ProcessTrack = tr.ui.b.define('process-track', ProcessTrackBase); |
| |
| ProcessTrack.prototype = { |
| __proto__: ProcessTrackBase.prototype, |
| |
| decorate: function(viewport) { |
| tr.ui.tracks.ProcessTrackBase.prototype.decorate.call(this, viewport); |
| }, |
| |
| drawTrack: function(type) { |
| switch (type) { |
| case tr.ui.tracks.DrawType.INSTANT_EVENT: |
| if (!this.processBase.instantEvents || |
| this.processBase.instantEvents.length === 0) |
| break; |
| |
| var ctx = this.context(); |
| |
| var pixelRatio = window.devicePixelRatio || 1; |
| var bounds = this.getBoundingClientRect(); |
| var canvasBounds = ctx.canvas.getBoundingClientRect(); |
| |
| ctx.save(); |
| ctx.translate(0, pixelRatio * (bounds.top - canvasBounds.top)); |
| |
| var dt = this.viewport.currentDisplayTransform; |
| var viewLWorld = dt.xViewToWorld(0); |
| var viewRWorld = dt.xViewToWorld( |
| bounds.width * pixelRatio); |
| |
| tr.ui.b.drawInstantSlicesAsLines( |
| ctx, |
| this.viewport.currentDisplayTransform, |
| viewLWorld, |
| viewRWorld, |
| bounds.height, |
| this.processBase.instantEvents, |
| 2); |
| |
| ctx.restore(); |
| |
| break; |
| |
| case tr.ui.tracks.DrawType.BACKGROUND: |
| this.drawBackground_(); |
| // Don't bother recursing further, Process is the only level that |
| // draws backgrounds. |
| return; |
| } |
| |
| tr.ui.tracks.ContainerTrack.prototype.drawTrack.call(this, type); |
| }, |
| |
| drawBackground_: function() { |
| var ctx = this.context(); |
| var canvasBounds = ctx.canvas.getBoundingClientRect(); |
| var pixelRatio = window.devicePixelRatio || 1; |
| |
| var draw = false; |
| ctx.fillStyle = '#eee'; |
| for (var i = 0; i < this.children.length; ++i) { |
| if (!(this.children[i] instanceof tr.ui.tracks.Track) || |
| (this.children[i] instanceof tr.ui.tracks.SpacingTrack)) |
| continue; |
| |
| draw = !draw; |
| if (!draw) |
| continue; |
| |
| var bounds = this.children[i].getBoundingClientRect(); |
| ctx.fillRect(0, pixelRatio * (bounds.top - canvasBounds.top), |
| ctx.canvas.width, pixelRatio * bounds.height); |
| } |
| }, |
| |
| // Process maps to processBase because we derive from ProcessTrackBase. |
| set process(process) { |
| this.processBase = process; |
| }, |
| |
| get process() { |
| return this.processBase; |
| }, |
| |
| get eventContainer() { |
| return this.process; |
| }, |
| |
| addContainersToTrackMap: function(containerToTrackMap) { |
| tr.ui.tracks.ProcessTrackBase.prototype.addContainersToTrackMap.apply( |
| this, arguments); |
| containerToTrackMap.addContainer(this.process, this); |
| }, |
| |
| appendMemoryDumpTrack_: function() { |
| var processMemoryDumps = this.process.memoryDumps; |
| if (processMemoryDumps.length) { |
| var pmdt = new tr.ui.tracks.ProcessMemoryDumpTrack(this.viewport_); |
| pmdt.memoryDumps = processMemoryDumps; |
| Polymer.dom(this).appendChild(pmdt); |
| } |
| }, |
| |
| addIntersectingEventsInRangeToSelectionInWorldSpace: function( |
| loWX, hiWX, viewPixWidthWorld, selection) { |
| function onPickHit(instantEvent) { |
| selection.push(instantEvent); |
| } |
| var instantEventWidth = 2 * viewPixWidthWorld; |
| tr.b.math.iterateOverIntersectingIntervals(this.processBase.instantEvents, |
| function(x) { return x.start; }, |
| function(x) { return x.duration + instantEventWidth; }, |
| loWX, hiWX, |
| onPickHit.bind(this)); |
| |
| tr.ui.tracks.ContainerTrack.prototype. |
| addIntersectingEventsInRangeToSelectionInWorldSpace. |
| apply(this, arguments); |
| }, |
| |
| addClosestEventToSelection: function(worldX, worldMaxDist, loY, hiY, |
| selection) { |
| this.addClosestInstantEventToSelection(this.processBase.instantEvents, |
| worldX, worldMaxDist, selection); |
| tr.ui.tracks.ContainerTrack.prototype.addClosestEventToSelection. |
| apply(this, arguments); |
| } |
| }; |
| |
| return { |
| ProcessTrack, |
| }; |
| }); |
| </script> |
