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      1 // Copyright 2014 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 /**
      6  * @constructor
      7  * @extends {WebInspector.Object}
      8  */
      9 WebInspector.Console = function()
     10 {
     11     /** @type {!Array.<!WebInspector.Console.Message>} */
     12     this._messages = [];
     13 }
     14 
     15 /**
     16  * @enum {string}
     17  */
     18 WebInspector.Console.Events = {
     19     MessageAdded: "messageAdded"
     20 }
     21 
     22 /**
     23  * @enum {string}
     24  */
     25 WebInspector.Console.MessageLevel = {
     26     Log: "log",
     27     Warning: "warning",
     28     Error: "error"
     29 }
     30 
     31 /**
     32  * @constructor
     33  * @param {string} text
     34  * @param {!WebInspector.Console.MessageLevel} level
     35  * @param {number} timestamp
     36  * @param {boolean} show
     37  */
     38 WebInspector.Console.Message = function(text, level, timestamp, show)
     39 {
     40     this.text = text;
     41     this.level = level;
     42     this.timestamp = (typeof timestamp === "number") ? timestamp : Date.now();
     43     this.show = show;
     44 }
     45 
     46 /**
     47  * @interface
     48  */
     49 WebInspector.Console.UIDelegate = function()
     50 {
     51 }
     52 
     53 WebInspector.Console.UIDelegate.prototype = {
     54     showConsole: function() { }
     55 }
     56 
     57 WebInspector.Console.prototype = {
     58     /**
     59      * @param {!WebInspector.Console.UIDelegate} uiDelegate
     60      */
     61     setUIDelegate: function(uiDelegate)
     62     {
     63         this._uiDelegate = uiDelegate;
     64     },
     65 
     66     /**
     67      * @param {string} text
     68      * @param {!WebInspector.Console.MessageLevel} level
     69      * @param {boolean=} show
     70      */
     71     addMessage: function(text, level, show)
     72     {
     73         var message = new WebInspector.Console.Message(text, level || WebInspector.Console.MessageLevel.Log, Date.now(), show || false);
     74         this._messages.push(message);
     75         this.dispatchEventToListeners(WebInspector.Console.Events.MessageAdded, message);
     76     },
     77 
     78     /**
     79      * @param {string} text
     80      */
     81     log: function(text)
     82     {
     83         this.addMessage(text, WebInspector.Console.MessageLevel.Log);
     84     },
     85 
     86     /**
     87      * @param {string} text
     88      */
     89     warn: function(text)
     90     {
     91         this.addMessage(text, WebInspector.Console.MessageLevel.Warning);
     92     },
     93 
     94     /**
     95      * @param {string} text
     96      */
     97     error: function(text)
     98     {
     99         this.addMessage(text, WebInspector.Console.MessageLevel.Error, true);
    100     },
    101 
    102     /**
    103      * @return {!Array.<!WebInspector.Console.Message>}
    104      */
    105     messages: function()
    106     {
    107         return this._messages;
    108     },
    109 
    110     show: function()
    111     {
    112         if (this._uiDelegate)
    113             this._uiDelegate.showConsole();
    114     },
    115 
    116     __proto__: WebInspector.Object.prototype
    117 }
    118 
    119 WebInspector.console = new WebInspector.Console();
    120