Bug 1198235 - abuse of bind(this) with add/removeEventListener in downloads.js. r=mak

browser/components/downloads/content/downloads.js

@@ -287,8 +287,14 @@ const DownloadsPanel = {
    * visualization.
    */
   handleEvent(aEvent) {
-    if (aEvent.type == "mousemove") {
-      this.keyFocusing = false;
+    switch (aEvent.type) {
+      case "mousemove":
+        this.keyFocusing = false;
+        break;
+      case "keydown":
+        return this._onKeyDown(aEvent);
+      case "keypress":
+        return this._onKeyPress(aEvent);
     }
   },
 
@@ -378,10 +384,10 @@ const DownloadsPanel = {
    */
   _attachEventListeners() {
     // Handle keydown to support accel-V.
-    this.panel.addEventListener("keydown", this._onKeyDown.bind(this), false);
+    this.panel.addEventListener("keydown", this, false);
     // Handle keypress to be able to preventDefault() events before they reach
     // the richlistbox, for keyboard navigation.
-    this.panel.addEventListener("keypress", this._onKeyPress.bind(this), false);
+    this.panel.addEventListener("keypress", this, false);
   },
 
   /**
@@ -389,10 +395,8 @@ const DownloadsPanel = {
    * is called automatically on panel termination.
    */
   _unattachEventListeners() {
-    this.panel.removeEventListener("keydown", this._onKeyDown.bind(this),
-                                   false);
-    this.panel.removeEventListener("keypress", this._onKeyPress.bind(this),
-                                   false);
+    this.panel.removeEventListener("keydown", this, false);
+    this.panel.removeEventListener("keypress", this, false);
   },
 
   _onKeyPress(aEvent) {