| <!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="/model/async_slice.html"> |
| |
| <script> |
| 'use strict'; |
| |
| tr.exportTo('tr.e.cc', function() { |
| var AsyncSlice = tr.model.AsyncSlice; |
| |
| |
| var UI_COMP_NAME = 'INPUT_EVENT_LATENCY_UI_COMPONENT'; |
| var ORIGINAL_COMP_NAME = 'INPUT_EVENT_LATENCY_ORIGINAL_COMPONENT'; |
| var BEGIN_COMP_NAME = 'INPUT_EVENT_LATENCY_BEGIN_RWH_COMPONENT'; |
| var END_COMP_NAME = 'INPUT_EVENT_LATENCY_TERMINATED_FRAME_SWAP_COMPONENT'; |
| |
| function InputLatencyAsyncSlice() { |
| AsyncSlice.apply(this, arguments); |
| this.associatedEvents_ = undefined; |
| } |
| |
| InputLatencyAsyncSlice.prototype = { |
| __proto__: AsyncSlice.prototype, |
| |
| get associatedEvents() { |
| if (this.associatedEvents_ !== undefined) |
| return this.associatedEvents_; |
| |
| this.associatedEvents_ = []; |
| var modelIndices = this.startThread.parent.model.modelIndices; |
| var matchedFlowEvents = modelIndices.getFlowEventsWithId(this.id); |
| |
| var eventGUIDs = {}; |
| matchedFlowEvents.forEach(function(flowEvent) { |
| this.associatedEvents_.push(flowEvent); |
| if (flowEvent.startSlice && !eventGUIDs[flowEvent.startSlice.guid]) { |
| this.associatedEvents_.push(flowEvent.startSlice); |
| eventGUIDs[flowEvent.startSlice.guid] = 1; |
| } |
| if (flowEvent.startSlice && !eventGUIDs[flowEvent.endSlice.guid]) { |
| this.associatedEvents_.push(flowEvent.endSlice); |
| eventGUIDs[flowEvent.endSlice.guid] = 1; |
| } |
| }, this); |
| |
| return this.associatedEvents_; |
| }, |
| |
| get inputLatency() { |
| if (!('data' in this.args)) |
| return undefined; |
| |
| var data = this.args.data; |
| if (!(END_COMP_NAME in data)) |
| return undefined; |
| |
| var latency = 0; |
| var endTime = data[END_COMP_NAME].time; |
| if (ORIGINAL_COMP_NAME in data) { |
| latency = endTime - data[ORIGINAL_COMP_NAME].time; |
| } else if (UI_COMP_NAME in data) { |
| latency = endTime - data[UI_COMP_NAME].time; |
| } else if (BEGIN_COMP_NAME in data) { |
| latency = endTime - data[BEGIN_COMP_NAME].time; |
| } else { |
| throw new Error('No valid begin latency component'); |
| } |
| return latency; |
| } |
| }; |
| |
| var eventTypeNames = [ |
| 'Char', |
| 'GestureFlingCancel', |
| 'GestureFlingStart', |
| 'GestureScrollBegin', |
| 'GestureScrollEnd', |
| 'GestureScrollUpdate', |
| 'GestureShowPress', |
| 'GestureTap', |
| 'GestureTapCancel', |
| 'GestureTapDown', |
| 'KeyUp', |
| 'MouseDown', |
| 'MouseMove', |
| 'MouseUp', |
| 'MouseWheel', |
| 'RawKeyDown', |
| 'ScrollUpdate', |
| 'TouchEnd', |
| 'TouchMove', |
| 'TouchStart' |
| ]; |
| var allTypeNames = ['InputLatency']; |
| eventTypeNames.forEach(function(eventTypeName) { |
| // Old style. |
| allTypeNames.push('InputLatency:' + eventTypeName); |
| |
| // New style. |
| allTypeNames.push('InputLatency::' + eventTypeName); |
| }); |
| |
| AsyncSlice.register( |
| InputLatencyAsyncSlice, |
| { |
| typeNames: allTypeNames, |
| categoryParts: ['latencyInfo'] |
| }); |
| |
| return { |
| InputLatencyAsyncSlice: InputLatencyAsyncSlice |
| }; |
| }); |
| </script> |
