• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1/*
2 * Copyright (C) 2013 Google Inc. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31/**
32 * @constructor
33 */
34WebInspector.TracingAgent = function()
35{
36    this._active = false;
37    InspectorBackend.registerTracingDispatcher(new WebInspector.TracingDispatcher(this));
38}
39
40WebInspector.TracingAgent.prototype = {
41    /**
42     * @param {string} categoryPatterns
43     * @param {string} options
44     * @param {function(?string)=} callback
45     */
46    start: function(categoryPatterns, options, callback)
47    {
48        TracingAgent.start(categoryPatterns, options, callback);
49        this._active = true;
50        this._events = [];
51    },
52
53    /**
54     * @param {function()} callback
55     */
56    stop: function(callback)
57    {
58        if (!this._active) {
59            callback();
60            return;
61        }
62        this._pendingStopCallback = callback;
63        TracingAgent.end();
64    },
65
66    /**
67     * @return {!Array.<{cat: string, args: !Object, ph: string, ts: number}>}
68     */
69    events: function()
70    {
71        return this._events;
72    },
73
74    _eventsCollected: function(events)
75    {
76        Array.prototype.push.apply(this._events, events);
77    },
78
79    _tracingComplete: function()
80    {
81        this._active = false;
82        if (this._pendingStopCallback) {
83            this._pendingStopCallback();
84            this._pendingStopCallback = null;
85        }
86    }
87}
88
89/**
90 * @constructor
91 * @implements {TracingAgent.Dispatcher}
92 * @param {!WebInspector.TracingAgent} tracingAgent
93 */
94WebInspector.TracingDispatcher = function(tracingAgent)
95{
96    this._tracingAgent = tracingAgent;
97}
98
99WebInspector.TracingDispatcher.prototype = {
100    dataCollected: function(data)
101    {
102        this._tracingAgent._eventsCollected(data);
103    },
104
105    tracingComplete: function()
106    {
107        this._tracingAgent._tracingComplete();
108    }
109}
110
111/**
112 * @type {!WebInspector.TracingAgent}
113 */
114WebInspector.tracingAgent;
115