remoting/webapp/crd/js/native_message_host_log_message_handler.js

   1 // Copyright 2015 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  * @fileoverview
   7  * Class to handle debug log messages sent by either the It2Me or Me2Me native
   8  * messaging hosts.
   9  */
  10
  11 'use strict';
  12
  13 /** @suppress {duplicate} */
  14 var remoting = remoting || {};
  15
  16 (function() {
  17
  18 /**
  19  * @constructor
  20  */
  21 remoting.NativeMessageHostDebugMessageHandler = function() {
  22 };
  23
  24 /**
  25  * Handle debug messages..
  26  *
  27  * @param {Object} message
  28  * @return {boolean} True if the message was handled.
  29  */
  30 remoting.NativeMessageHostDebugMessageHandler.prototype.handleMessage =
  31     function(message)
  32 {
  33   /** @type {string} */
  34   var type = base.getStringAttr(message, 'type', '');
  35   switch (type) {
  36     case '_debug_log':
  37       var timestamp = base.timestamp();
  38       var msg = base.getStringAttr(message, 'message', '<no message>');
  39       var severity = base.getStringAttr(message, 'severity', 'log');
  40       var file = base.getStringAttr(message, 'file', '<no file>');
  41       var line = base.getNumberAttr(message, 'line', -1);
  42       var location = file + ':' + line;
  43       var css = 'color: gray; font-style: italic'
  44       switch (severity) {
  45         case 'error':
  46           console.error('%s %s %c%s', timestamp, msg, css, location);
  47           break;
  48         case 'warn':
  49           console.warn('%s %s %c%s', timestamp, msg, css, location);
  50           break;
  51         default:
  52           console.log('%s %s %c%s', timestamp, msg, css, location);
  53       };
  54       return true;
  55   }
  56   return false;
  57 };
  58
  59 })();