/**
* 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);
}
@Override
public void onConfirmInfoBarButtonClicked(ConfirmInfoBar infoBar, boolean confirm) {
if (mPendingRequest.hasDownloadId()) {
nativeDangerousDownloadValidated(mTab, mPendingRequest.getDownloadId(), confirm);
if (confirm) {
showDownloadStartNotification();
}
closeBlankTab();
} else if (confirm) {
// User confirmed the download.
if (mPendingRequest.isGETRequest()) {
enqueueDownloadManagerRequest(mPendingRequest);
} else {
DownloadInfo newDownloadInfo =
DownloadInfo.Builder.fromDownloadInfo(mPendingRequest).setIsSuccessful(true).build();
DownloadManagerService.getDownloadManagerService(mContext)
.onDownloadCompleted(newDownloadInfo);
}
} else {
// User did not accept the download, discard the file if it is a POST download.
if (!mPendingRequest.isGETRequest()) {
discardFile(mPendingRequest.getFilePath());
}
}
mPendingRequest = null;
infoBar.dismissJavaOnlyInfoBar();
}
@Override
public void onConfirmInfoBarButtonClicked(ConfirmInfoBar infoBar, boolean confirm) {
assert mTab != null;
if (mPendingRequest.hasDownloadId()) {
nativeDangerousDownloadValidated(mTab, mPendingRequest.getDownloadId(), confirm);
if (confirm) {
showDownloadStartNotification();
}
closeBlankTab();
} else if (confirm) {
// User confirmed the download.
if (mPendingRequest.isGETRequest()) {
final DownloadInfo info = mPendingRequest;
new AsyncTask<Void, Void, Pair<String, String>>() {
@Override
protected Pair<String, String> doInBackground(Void... params) {
Pair<String, String> result = getDownloadDirectoryNameAndFullPath();
String fullDirPath = result.second;
return doesFileAlreadyExists(fullDirPath, info.getFileName()) ? result : null;
}
@Override
protected void onPostExecute(Pair<String, String> result) {
if (result != null) {
// File already exists.
String dirName = result.first;
String fullDirPath = result.second;
launchDownloadInfoBar(info, dirName, fullDirPath);
} else {
enqueueDownloadManagerRequest(info);
}
}
}.execute();
} else {
DownloadInfo newDownloadInfo =
DownloadInfo.Builder.fromDownloadInfo(mPendingRequest).setIsSuccessful(true).build();
DownloadManagerService.getDownloadManagerService(mContext)
.onDownloadCompleted(newDownloadInfo);
}
} else {
// User did not accept the download, discard the file if it is a POST download.
if (!mPendingRequest.isGETRequest()) {
discardFile(mPendingRequest.getFilePath());
}
}
mPendingRequest = null;
infoBar.dismissJavaOnlyInfoBar();
}
/**
* Alerts user of download failure.
*
* @param fileName Name of the download file.
*/
private void alertDownloadFailure(String fileName) {
DownloadManagerService.getDownloadManagerService(mContext.getApplicationContext())
.onDownloadFailed(fileName);
}
/**
* Enqueue a request to download a file using Android DownloadManager.
*
* @param info Download information about the download.
*/
private void enqueueDownloadManagerRequest(final DownloadInfo info) {
DownloadManagerService.getDownloadManagerService(mContext.getApplicationContext())
.enqueueDownloadManagerRequest(info, true);
}
