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Issue 1398213005: tquery: Remove hard dependency on UI (Closed) Base URL: https://github.com/catapult-project/catapult@master
Patch Set: More review tweaks. Created 5 years, 2 months ago
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1 <!DOCTYPE html> 1 <!DOCTYPE html>
2 <!-- 2 <!--
3 Copyright 2015 The Chromium Authors. All rights reserved. 3 Copyright 2015 The Chromium Authors. All rights reserved.
4 Use of this source code is governed by a BSD-style license that can be 4 Use of this source code is governed by a BSD-style license that can be
5 found in the LICENSE file. 5 found in the LICENSE file.
6 --> 6 -->
7 7
8 <link rel="import" href="/tracing/base/task.html"> 8 <link rel="import" href="/tracing/base/task.html">
9 <link rel="import" href="/tracing/core/filter.html"> 9 <link rel="import" href="/tracing/core/filter.html">
10 <link rel="import" href="/tracing/core/scripting_object.html"> 10 <link rel="import" href="/tracing/core/scripting_object.html">
11 <link rel="import" href="/tracing/extras/tquery/context.html"> 11 <link rel="import" href="/tracing/extras/tquery/context.html">
12 <link rel="import" href="/tracing/extras/tquery/filter_all_of.html"> 12 <link rel="import" href="/tracing/extras/tquery/filter_all_of.html">
13 <link rel="import" href="/tracing/extras/tquery/filter_any_of.html"> 13 <link rel="import" href="/tracing/extras/tquery/filter_any_of.html">
14 <link rel="import" href="/tracing/extras/tquery/filter_has_ancestor.html"> 14 <link rel="import" href="/tracing/extras/tquery/filter_has_ancestor.html">
15 <link rel="import" href="/tracing/extras/tquery/filter_has_duration.html"> 15 <link rel="import" href="/tracing/extras/tquery/filter_has_duration.html">
16 <link rel="import" href="/tracing/extras/tquery/filter_has_title.html"> 16 <link rel="import" href="/tracing/extras/tquery/filter_has_title.html">
17 <link rel="import" href="/tracing/extras/tquery/filter_is_top_level.html"> 17 <link rel="import" href="/tracing/extras/tquery/filter_is_top_level.html">
18 <link rel="import" href="/tracing/model/event_set.html"> 18 <link rel="import" href="/tracing/model/event_set.html">
19 19
20 <script> 20 <script>
21 'use strict'; 21 'use strict';
22 22
23 tr.exportTo('tr.e.tquery', function() { 23 tr.exportTo('tr.e.tquery', function() {
24 function TQuery(brushingStateController) { 24 function addEventTreeToSelection(selection, event) {
25 selection.push(event);
26 if (!event.subSlices)
27 return;
28 event.subSlices.forEach(
29 addEventTreeToSelection.bind(undefined, selection));
30 }
31
32 function TQuery(model) {
25 tr.c.ScriptingObject.call(this); 33 tr.c.ScriptingObject.call(this);
26 34
27 this.brushingStateController_ = brushingStateController; 35 this.model_ = model;
28 this.parent_ = undefined; 36 this.parent_ = undefined;
29 this.filterExpression_ = undefined; 37 this.filterExpression_ = undefined;
30 // Memoized filtering result. 38 // Memoized filtering result.
31 this.selection_ = undefined; 39 this.selection_ = undefined;
32 }; 40 };
33 41
34 TQuery.prototype = { 42 TQuery.prototype = {
35 __proto__: tr.c.ScriptingObject.prototype, 43 __proto__: tr.c.ScriptingObject.prototype,
36 44
37 onModelChanged: function() { 45 onModelChanged: function(model) {
46 this.model_ = model;
38 this.selection_ = undefined; 47 this.selection_ = undefined;
39 }, 48 },
40 49
41 get brushingStateController() { 50 get brushingStateController() {
42 return this.brushingStateController_; 51 return this.brushingStateController_;
43 }, 52 },
44 53
45 // Append a new filter expression to this query and return a query node 54 // Append a new filter expression to this query and return a query node
46 // that represents the result. 55 // that represents the result.
47 filter: function(filterExpression) { 56 filter: function(filterExpression) {
48 var result = new TQuery(this.brushingStateController_); 57 var result = new TQuery(this.model_);
49 result.parent_ = this; 58 result.parent_ = this;
50 result.filterExpression_ = 59 result.filterExpression_ =
51 tr.e.tquery.Filter.normalizeFilterExpression(filterExpression); 60 tr.e.tquery.Filter.normalizeFilterExpression(filterExpression);
52 return result; 61 return result;
53 }, 62 },
54 63
55 // Creates a graph of {Task} objects which will compute the selections for 64 // Creates a graph of {Task} objects which will compute the selections for
56 // this filter object and all of its parents. The return value is an object 65 // this filter object and all of its parents. The return value is an object
57 // with the following fields: 66 // with the following fields:
58 // - rootTask: {Task} which should be executed to kick off processing for 67 // - rootTask: {Task} which should be executed to kick off processing for
(...skipping 15 matching lines...) Expand all
74 var rootTask = new tr.b.Task(); 83 var rootTask = new tr.b.Task();
75 var lastTask = rootTask; 84 var lastTask = rootTask;
76 for (var i = nodes.length - 1; i >= 0; i--) { 85 for (var i = nodes.length - 1; i >= 0; i--) {
77 var node = nodes[i]; 86 var node = nodes[i];
78 // Reuse any memoized result. 87 // Reuse any memoized result.
79 if (node.selection_ !== undefined) 88 if (node.selection_ !== undefined)
80 continue; 89 continue;
81 node.selection_ = new tr.model.EventSet(); 90 node.selection_ = new tr.model.EventSet();
82 if (node.parent_ === undefined) { 91 if (node.parent_ === undefined) {
83 // If this is the root, start by collecting all objects from the 92 // If this is the root, start by collecting all objects from the
84 // brushing state controller. 93 // model.
85 lastTask = lastTask.after( 94 lastTask = lastTask.after(
86 this.selectEverythingAsTask_(node.selection_)); 95 this.selectEverythingAsTask_(node.selection_));
87 } else { 96 } else {
88 // Otherwise execute the filter expression for this node and fill 97 // Otherwise execute the filter expression for this node and fill
89 // in its selection. 98 // in its selection.
90 var prevNode = nodes[i + 1]; 99 var prevNode = nodes[i + 1];
91 lastTask = this.createFilterTaskForNode_(lastTask, node, prevNode); 100 lastTask = this.createFilterTaskForNode_(lastTask, node, prevNode);
92 } 101 }
93 } 102 }
94 return {rootTask: rootTask, lastTask: lastTask, lastNode: node}; 103 return {rootTask: rootTask, lastTask: lastTask, lastNode: node};
(...skipping 31 matching lines...) Expand 10 before | Expand all | Expand 10 after
126 if (!event.subSlices) 135 if (!event.subSlices)
127 return; 136 return;
128 context = context.push(event); 137 context = context.push(event);
129 for (var i = 0; i < event.subSlices.length; i++) { 138 for (var i = 0; i < event.subSlices.length; i++) {
130 context.event = event.subSlices[i]; 139 context.event = event.subSlices[i];
131 this.evaluateFilterExpressionForEvent_( 140 this.evaluateFilterExpressionForEvent_(
132 context, inputSelection, outputSelection, seenEvents); 141 context, inputSelection, outputSelection, seenEvents);
133 } 142 }
134 }, 143 },
135 144
136 // Show the result as a highlight on the brushing state controller. Returns 145 // Returns a task that fills the given selection with everything in the
137 // a {Task} which runs the query and sets the highlight. 146 // model.
138 show: function() { 147 selectEverythingAsTask_: function(selection) {
139 var graph = this.createFilterTaskGraph_(); 148 var filterTask = new tr.b.Task();
140 149 this.model_.iterateAllEventContainers(function(container) {
141 graph.lastTask = graph.lastTask.after(function() { 150 filterTask.subTask(function() {
142 this.brushingStateController.showScriptControlSelection( 151 container.iterateAllEventsInThisContainer(
143 graph.lastNode.selection_); 152 function() { return true; },
153 addEventTreeToSelection.bind(undefined, selection));
154 }, this);
144 }, this); 155 }, this);
145 return graph.rootTask;
146 },
147
148 // Returns a task that fills the given selection with everything reachable
149 // by the brushing state controller.
150 selectEverythingAsTask_: function(selection) {
151 var passThroughFilter = new tr.c.Filter();
152 var filterTask = this.brushingStateController.
153 addAllEventsMatchingFilterToSelectionAsTask(passThroughFilter,
154 selection);
155 return filterTask; 156 return filterTask;
156 }, 157 },
157 158
159 // Returns a promise which will resolve into a {EventSet} representing the
160 // result of this query.
161 ready: function() {
162 return new Promise(function(resolve, reject) {
163 var graph = this.createFilterTaskGraph_();
164 graph.lastTask = graph.lastTask.after(function() {
165 resolve(this.selection_);
166 }, this);
167 tr.b.Task.RunWhenIdle(graph.rootTask);
168 }.bind(this));
169 },
170
158 get selection() { 171 get selection() {
159 if (this.selection_ === undefined) { 172 if (this.selection_ === undefined) {
160 var graph = this.createFilterTaskGraph_(); 173 var graph = this.createFilterTaskGraph_();
161 tr.b.Task.RunSynchronously(graph.rootTask); 174 tr.b.Task.RunSynchronously(graph.rootTask);
162 } 175 }
163 return this.selection_; 176 return this.selection_;
164 } 177 }
165 }; 178 };
166 tr.c.ScriptingObjectRegistry.register( 179 tr.c.ScriptingObjectRegistry.register(
167 new TQuery(), 180 new TQuery(),
168 { 181 {
169 name: '$t' 182 name: '$t'
170 } 183 }
171 ); 184 );
172 185
173 return { 186 return {
174 TQuery: TQuery 187 TQuery: TQuery
175 }; 188 };
176 }); 189 });
177 </script> 190 </script>
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