tListener("mousemove", this);
    },
    handleEvent(event) {
      switch (event.type) {
        case "popupshown":
          AutoHideMenubar._node.removeEventListener("mousemove", this);
          break;
        case "popuphiding":
        case "mousemove":
          AutoHideMenubar._setInactiveAsync();
          AutoHideMenubar._node.removeEventListener("mousemove", this);
          this.contextMenu.removeEventListener("popuphiding", this);
          this.contextMenu.removeEventListener("popupshown", this);
          this.contextMenu = null;
          break;
      }
    },
  },

  init() {
    this._node.addEventListener("toolbarvisibilitychange", this);
    if (this._node.hasAttribute("autohide")) {
      this._enable();
    }
  },

  _updateState() {
    if (this._node.hasAttribute("autohide")) {
      this._enable();
    } else {
      this._disable();
    }
  },

  _events: [
    "DOMMenuBarInactive",
    "DOMMenuBarActive",
    "popupshowing",
    "mousedown",
  ],
  _enable() {
    this._node.setAttribute("inactive", "true");
    for (let event of this._events) {
      this._node.addEventListener(event, this);
    }
  },

  _disable() {
    this._setActive();
    for (let event of this._events) {
      this._node.removeEventListener(event, this);
    }
  },

  handleEvent(event) {
    switch (event.type) {
      case "toolbarvisibilitychange":
        this._updateState();
        break;
      case "popupshowing":
      // fall through
      case "DOMMenuBarActive":
        this._setActive();
        break;
      case "mousedown":
        if (event.button == 2) {
          this._contextMenuListener.init(event);
        }
        break;
      case "DOMMenuBarInactive":
        if (!this._contextMenuListener.active) {
          this._setInactiveAsync();
        }
        break;
    }
  },

  _setInactiveAsync() {
    this._inactiveTimeout = setTimeout(() => {
      if (this._node.hasAttribute("autohide")) {
        this._inactiveTimeout = null;
        this._node.setAttribute("inactive", "true");
      }
    }, 0);
  },

  _setActive() {
    if (this._inactiveTimeout) {
      clearTimeout(this._inactiveTimeout);
      this._inactiveTimeout = null;
    }
    this._node.removeAttribute("inactive");
  },
};
PK