void _ensureKeepAlive()
 {
     D.assert(this._keepAliveHandle == null);
     this._keepAliveHandle = new KeepAliveHandle();
     new KeepAliveNotification(this._keepAliveHandle).dispatch(this.context);
 }
 void _releaseKeepAlive()
 {
     this._keepAliveHandle.release();
     this._keepAliveHandle = null;
 }
示例#3
0
 void _releaseKeepAlive()
 {
     _keepAliveHandle.release();
     _keepAliveHandle = null;
 }