FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
downloaderBinder.cancel(mAccount, mFile);
FileDownloaderBinder downloaderBinder = mContainerActivity.getFileDownloaderBinder();
if (downloaderBinder != null && downloaderBinder.isDownloading(mAccount, mFile)) {
downloaderBinder.cancel(mAccount, mFile);