Bug 1053248 - Add new gesture debug logger. r=yzen

accessible/jsat/Gestures.jsm

@@ -228,7 +228,7 @@ this.GestureTracker = { // jshint ignore:line
    * @param  {Number} aTimeStamp A new pointer event timeStamp.
    */
   handle: function GestureTracker_handle(aDetail, aTimeStamp) {
-    Logger.debug(() => {
+    Logger.gesture(() => {
       return ['Pointer event', aDetail.type, 'at:', aTimeStamp,
         JSON.stringify(aDetail.points)];
     });
@@ -332,7 +332,7 @@ function compileDetail(aType, aPoints, keyMap = {x: 'startX', y: 'startY'}) {
  */
 function Gesture(aTimeStamp, aPoints = {}, aLastEvent = undefined) {
   this.startTime = Date.now();
-  Logger.debug('Creating', this.id, 'gesture.');
+  Logger.gesture('Creating', this.id, 'gesture.');
   this.points = aPoints;
   this.lastEvent = aLastEvent;
   this._deferred = Promise.defer();
@@ -509,7 +509,7 @@ Gesture.prototype = {
     if (this.isComplete) {
       return;
     }
-    Logger.debug('Resolving', this.id, 'gesture.');
+    Logger.gesture('Resolving', this.id, 'gesture.');
     this.isComplete = true;
     let detail = this.compile();
     if (detail) {
@@ -533,7 +533,7 @@ Gesture.prototype = {
     if (this.isComplete) {
       return;
     }
-    Logger.debug('Rejecting', this.id, 'gesture.');
+    Logger.gesture('Rejecting', this.id, 'gesture.');
     this.isComplete = true;
     return {
       id: this.id,

accessible/jsat/Utils.jsm

@@ -473,11 +473,12 @@ State.prototype = {
 };
 
 this.Logger = { // jshint ignore:line
+  GESTURE: -1,
   DEBUG: 0,
   INFO: 1,
   WARNING: 2,
   ERROR: 3,
-  _LEVEL_NAMES: ['DEBUG', 'INFO', 'WARNING', 'ERROR'],
+  _LEVEL_NAMES: ['GESTURE', 'DEBUG', 'INFO', 'WARNING', 'ERROR'],
 
   logLevel: 1, // INFO;
 
@@ -490,7 +491,7 @@ this.Logger = { // jshint ignore:line
 
     let args = Array.prototype.slice.call(arguments, 1);
     let message = (typeof(args[0]) === 'function' ? args[0]() : args).join(' ');
-    message = '[' + Utils.ScriptName + '] ' + this._LEVEL_NAMES[aLogLevel] +
+    message = '[' + Utils.ScriptName + '] ' + this._LEVEL_NAMES[aLogLevel + 1] +
       ' ' + message + '\n';
     dump(message);
     // Note: used for testing purposes. If |this.test| is true, also log to
@@ -509,6 +510,11 @@ this.Logger = { // jshint ignore:line
       this, [this.INFO].concat(Array.prototype.slice.call(arguments)));
   },
 
+  gesture: function gesture() {
+    this.log.apply(
+      this, [this.GESTURE].concat(Array.prototype.slice.call(arguments)));
+  },
+
   debug: function debug() {
     this.log.apply(
       this, [this.DEBUG].concat(Array.prototype.slice.call(arguments)));
@@ -552,14 +558,16 @@ this.Logger = { // jshint ignore:line
   },
 
   accessibleToString: function accessibleToString(aAccessible) {
-    let str = '[ defunct ]';
-    try {
-      str = '[ ' + Utils.AccRetrieval.getStringRole(aAccessible.role) +
-        ' | ' + aAccessible.name + ' ]';
-    } catch (x) {
+    if (!aAccessible) {
+      return '[ null ]';
     }
 
-    return str;
+    try {
+      return'[ ' + Utils.AccRetrieval.getStringRole(aAccessible.role) +
+        ' | ' + aAccessible.name + ' ]';
+    } catch (x) {
+      return '[ defunct ]';
+    }
   },
 
   eventToString: function eventToString(aEvent) {