• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
1/*
2 * Copyright (C) 2011 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 * @extends {WebInspector.Object}
34 */
35WebInspector.TimelineManager = function()
36{
37    WebInspector.Object.call(this);
38    this._dispatcher = new WebInspector.TimelineDispatcher(this);
39    this._enablementCount = 0;
40    TimelineAgent.enable();
41}
42
43WebInspector.TimelineManager.EventTypes = {
44    TimelineStarted: "TimelineStarted",
45    TimelineStopped: "TimelineStopped",
46    TimelineEventRecorded: "TimelineEventRecorded"
47}
48
49WebInspector.TimelineManager.prototype = {
50    /**
51     * @return {boolean}
52     */
53    isStarted: function()
54    {
55        return this._dispatcher.isStarted();
56    },
57
58    /**
59     * @param {number=} maxCallStackDepth
60     * @param {boolean=} includeDomCounters
61     * @param {boolean=} includeGPUEvents
62     * @param {function(?Protocol.Error)=} callback
63     */
64    start: function(maxCallStackDepth, includeDomCounters, includeGPUEvents, callback)
65    {
66        this._enablementCount++;
67        if (this._enablementCount === 1)
68            TimelineAgent.start(maxCallStackDepth, /* bufferEvents */false, includeDomCounters, includeGPUEvents, callback);
69        else if (callback)
70            callback(null);
71    },
72
73    /**
74     * @param {function(?Protocol.Error)=} callback
75     */
76    stop: function(callback)
77    {
78        this._enablementCount--;
79        if (this._enablementCount < 0) {
80            console.error("WebInspector.TimelineManager start/stop calls are unbalanced " + new Error().stack);
81            return;
82        }
83        if (!this._enablementCount)
84            TimelineAgent.stop(callback);
85        else if (callback)
86            callback(null);
87    },
88
89    __proto__: WebInspector.Object.prototype
90}
91
92/**
93 * @constructor
94 * @implements {TimelineAgent.Dispatcher}
95 */
96WebInspector.TimelineDispatcher = function(manager)
97{
98    this._manager = manager;
99    InspectorBackend.registerTimelineDispatcher(this);
100}
101
102WebInspector.TimelineDispatcher.prototype = {
103    /**
104     * @param {!TimelineAgent.TimelineEvent} record
105     */
106    eventRecorded: function(record)
107    {
108        this._manager.dispatchEventToListeners(WebInspector.TimelineManager.EventTypes.TimelineEventRecorded, record);
109    },
110
111    /**
112     * @return {boolean}
113     */
114    isStarted: function()
115    {
116        return !!this._started;
117    },
118
119    /**
120     * @param {boolean=} consoleTimeline
121     */
122    started: function(consoleTimeline)
123    {
124        if (consoleTimeline) {
125            // Wake up timeline panel module.
126            WebInspector.panel("timeline");
127        }
128        this._started = true;
129        this._manager.dispatchEventToListeners(WebInspector.TimelineManager.EventTypes.TimelineStarted, consoleTimeline);
130    },
131
132    /**
133     * @param {boolean=} consoleTimeline
134     */
135    stopped: function(consoleTimeline)
136    {
137        this._started = false;
138        this._manager.dispatchEventToListeners(WebInspector.TimelineManager.EventTypes.TimelineStopped, consoleTimeline);
139    }
140}
141
142/**
143 * @type {!WebInspector.TimelineManager}
144 */
145WebInspector.timelineManager;
146