/**
* Notify the host application a download should be done, even if there is a streaming viewer
* available for this type.
*
* @param downloadInfo Information about the download.
*/
protected void onDownloadStartNoStream(final DownloadInfo downloadInfo) {
final String newMimeType =
remapGenericMimeType(
downloadInfo.getMimeType(), downloadInfo.getUrl(), downloadInfo.getFileName());
final String fileName =
TextUtils.isEmpty(downloadInfo.getFileName())
? fileName(downloadInfo.getUrl(), newMimeType, downloadInfo.getContentDisposition())
: downloadInfo.getFileName();
new AsyncTask<Void, Void, Object[]>() {
@Override
protected Object[] doInBackground(Void... params) {
// Check to see if we have an SDCard.
String status = Environment.getExternalStorageState();
Pair<String, String> result = getDownloadDirectoryNameAndFullPath();
String dirName = result.first;
String fullDirPath = result.second;
boolean fileExists = doesFileAlreadyExists(fullDirPath, fileName);
return new Object[] {status, dirName, fullDirPath, fileExists};
}
@Override
protected void onPostExecute(Object[] result) {
String externalStorageState = (String) result[0];
String dirName = (String) result[1];
String fullDirPath = (String) result[2];
Boolean fileExists = (Boolean) result[3];
if (!checkExternalStorageAndNotify(fileName, fullDirPath, externalStorageState)) {
return;
}
String url = sanitizeDownloadUrl(downloadInfo);
if (url == null) return;
DownloadInfo newInfo =
DownloadInfo.Builder.fromDownloadInfo(downloadInfo)
.setUrl(url)
.setMimeType(newMimeType)
.setDescription(url)
.setFileName(fileName)
.setIsGETRequest(true)
.build();
// TODO(acleung): This is a temp fix to disable auto downloading if flash files.
// We want to avoid downloading flash files when it is linked as an iframe.
// The proper fix would be to let chrome knows which frame originated the request.
if ("application/x-shockwave-flash".equals(newInfo.getMimeType())) return;
if (isDangerousFile(fileName, newMimeType)) {
confirmDangerousDownload(newInfo);
} else {
// Not a dangerous file, proceed.
if (fileExists) {
launchDownloadInfoBar(newInfo, dirName, fullDirPath);
} else {
enqueueDownloadManagerRequest(newInfo);
}
}
}
}.execute();
}
/**
* Notify the host application a download should be done, even if there is a streaming viewer
* available for this type.
*
* @param downloadInfo Information about the download.
*/
protected void onDownloadStartNoStream(DownloadInfo downloadInfo) {
final String newMimeType =
remapGenericMimeType(
downloadInfo.getMimeType(), downloadInfo.getUrl(), downloadInfo.getFileName());
final String path =
TextUtils.isEmpty(downloadInfo.getFileName())
? fileName(downloadInfo.getUrl(), newMimeType, downloadInfo.getContentDisposition())
: downloadInfo.getFileName();
final File file = new File(path);
final String fileName = file.getName();
if (!checkExternalStorageAndNotify(downloadPath(fileName))) {
return;
}
String url = sanitizeDownloadUrl(downloadInfo);
if (url == null) return;
DownloadInfo newInfo =
DownloadInfo.Builder.fromDownloadInfo(downloadInfo)
.setUrl(url)
.setMimeType(newMimeType)
.setDescription(url)
.setFileName(fileName)
.setIsGETRequest(true)
.build();
// TODO(acleung): This is a temp fix to disable auto downloading if flash files.
// We want to avoid downloading flash files when it is linked as an iframe.
// The proper fix would be to let chrome knows which frame originated the request.
if ("application/x-shockwave-flash".equals(newInfo.getMimeType())) return;
if (isDangerousFile(fileName, newMimeType)) {
confirmDangerousDownload(newInfo);
} else {
// Not a dangerous file, proceed.
enqueueDownloadManagerRequest(newInfo);
}
}
/**
* Request a download from the given url, or if a streaming viewer is available stream the content
* into the viewer.
*
* @param downloadInfo Information about the download.
*/
@Override
public void requestHttpGetDownload(DownloadInfo downloadInfo) {
// If we're dealing with A/V content that's not explicitly marked for download, check if it
// is streamable.
if (!DownloadManagerService.isAttachment(downloadInfo.getContentDisposition())) {
// Query the package manager to see if there's a registered handler that matches.
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setDataAndType(Uri.parse(downloadInfo.getUrl()), downloadInfo.getMimeType());
// If the intent is resolved to ourselves, we don't want to attempt to load the url
// only to try and download it again.
if (DownloadManagerService.openIntent(mContext, intent, false)) {
return;
}
}
onDownloadStartNoStream(downloadInfo);
}
/**
* Sanitize the URL for the download item.
*
* @param downloadInfo Information about the download.
*/
protected String sanitizeDownloadUrl(DownloadInfo downloadInfo) {
return downloadInfo.getUrl();
}