("mouseup", this, {
        mozSystemGroup: true,
      });
    }

    let mode = FIND_TYPEAHEAD;
    if (
      event.charCode == "'".charAt(0) ||
      (autostart && FindBarContent.typeAheadLinksOnly)
    ) {
      mode = FIND_LINKS;
    }

    // Set findMode immediately (without waiting for child->parent->child roundtrip)
    // to ensure we pass any further keypresses, too.
    this.findMode = mode;
    this.passKeyToParent(event);
  }

  updateState(data) {
    this.findMode = data.findMode;
    this.inQuickFind = data.hasQuickFindTimeout;
    if (data.isOpenAndFocused) {
      this.inPassThrough = false;
    }
  }

  handleEvent(event) {
    switch (event.type) {
      case "keypress":
        this.onKeypress(event);
        break;
      case "mouseup":
        this.onMouseup(event);
        break;
    }
  }

  onKeypress(event) {
    if (this.inPassThrough) {
      this.passKeyToParent(event);
    } else if (
      this.findMode != FIND_NORMAL &&
      this.inQuickFind &&
      event.charCode
    ) {
      this.passKeyToParent(event);
    }
  }

  passKeyToParent(event) {
    event.preventDefault();
    // These are the properties required to dispatch another 'real' event
    // to the findbar in the parent in _dispatchKeypressEvent in findbar.xml .
    // If you make changes here, verify that that method can still do its job.
    const kRequiredProps = [
      "type",
      "bubbles",
      "cancelable",
      "ctrlKey",
      "altKey",
      "shiftKey",
      "metaKey",
      "keyCode",
      "charCode",
    ];
    let fakeEvent = {};
    for (let prop of kRequiredProps) {
      fakeEvent[prop] = event[prop];
    }
    this.actor.sendAsyncMessage("Findbar:Keypress", fakeEvent);
  }

  onMouseup() {
    if (this.findMode != FIND_NORMAL) {
      this.actor.sendAsyncMessage("Findbar:Mouseup", {});
    }
  }
}

XPCOMUtils.defineLazyPreferenceGetter(
  FindBarContent,
  "typeAheadLinksOnly",
  "accessibility.typeaheadfind.linksonly"
);
PK