Cleanup

webext/js/folderChange.js

@@ -81,25 +81,6 @@ var folderChange = class extends ExtensionCommon.ExtensionAPI {
             };
           },
         }).api(),
-
-        // An event. Most of this is boilerplate you don't need to worry about, just copy it.
-        onToolbarClick: new ExtensionCommon.EventManager({
-          context,
-          name: "folderChange.onToolbarClick",
-          // In this function we add listeners for any events we want to listen to, and return a
-          // function that removes those listeners. To have the event fire in your extension,
-          // call fire.async.
-          register(fire) {
-            function callback(event, id, x, y) {
-              return fire.async(id, x, y);
-            }
-
-            windowListener.add(callback);
-            return function () {
-              windowListener.remove(callback);
-            };
-          },
-        }).api(),
       },
     };
   }
@@ -430,61 +411,3 @@ var SysTrayX = {
     this.callback = undefined;
   },
 };
-
-// This object is just what we're using to listen for toolbar clicks. The implementation isn't
-// what this example is about, but you might be interested as it's a common pattern. We count the
-// number of callbacks waiting for events so that we're only listening if we need to be.
-var windowListener = new (class extends ExtensionCommon.EventEmitter {
-  constructor() {
-    super();
-    this.callbackCount = 0;
-  }
-
-  handleEvent(event) {
-    let toolbar = event.target.closest("toolbar");
-    windowListener.emit(
-      "toolbar-clicked",
-      toolbar.id,
-      event.clientX,
-      event.clientY
-    );
-  }
-
-  add(callback) {
-    this.on("toolbar-clicked", callback);
-    this.callbackCount++;
-
-    if (this.callbackCount == 1) {
-      ExtensionSupport.registerWindowListener("changeFolderListener", {
-        chromeURLs: [
-          "chrome://messenger/content/messenger.xhtml",
-          "chrome://messenger/content/messenger.xul",
-        ],
-        onLoadWindow: function (window) {
-          let toolbox = window.document.getElementById("mail-toolbox");
-          toolbox.addEventListener("click", windowListener.handleEvent);
-        },
-      });
-    }
-  }
-
-  remove(callback) {
-    this.off("toolbar-clicked", callback);
-    this.callbackCount--;
-
-    if (this.callbackCount == 0) {
-      for (let window of ExtensionSupport.openWindows) {
-        if (
-          [
-            "chrome://messenger/content/messenger.xhtml",
-            "chrome://messenger/content/messenger.xul",
-          ].includes(window.location.href)
-        ) {
-          let toolbox = window.document.getElementById("mail-toolbox");
-          toolbox.removeEventListener("click", this.handleEvent);
-        }
-      }
-      ExtensionSupport.unregisterWindowListener("changeFolderListener");
-    }
-  }
-})();