package com.stoutner.privacybrowser.asynctasks;
import android.app.Activity;
+import android.content.ActivityNotFoundException;
+import android.content.ContentResolver;
import android.content.Context;
import android.content.Intent;
import android.net.Uri;
import android.os.AsyncTask;
+import android.os.Build;
+import android.view.View;
import android.webkit.CookieManager;
+import android.webkit.MimeTypeMap;
+
+import androidx.core.content.FileProvider;
import com.google.android.material.snackbar.Snackbar;
import com.stoutner.privacybrowser.R;
NoSwipeViewPager noSwipeViewPager = activity.findViewById(R.id.webviewpager);
// Create a saving file snackbar.
- savingFileSnackbar = Snackbar.make(noSwipeViewPager, activity.getString(R.string.saving_file) + ": " + filePathString, Snackbar.LENGTH_INDEFINITE);
+ savingFileSnackbar = Snackbar.make(noSwipeViewPager, activity.getString(R.string.saving_file) + " 0% - " + filePathString, Snackbar.LENGTH_INDEFINITE);
// Display the saving file snackbar.
savingFileSnackbar.show();
@Override
protected String doInBackground(String... urlToSave) {
- // Get a handle for the context and activity.
+ // Get handles for the context and activity.
Context context = contextWeakReference.get();
Activity activity = activityWeakReference.get();
// Write the contents of the conversion buffer to the output stream.
outputStream.write(conversionBufferByteArray, 0, bufferLength);
- // Increment the downloaded kilobytes counter.
- downloadedKilobytesCounter++;
-
// Update the file download progress snackbar.
if (fileSize == -1) { // The file size is unknown.
- // Convert the downloaded kilobytes counter to a negative number
- long downloadedKilobytes = 0 - downloadedKilobytesCounter;
+ // Negatively update the downloaded kilobytes counter.
+ downloadedKilobytesCounter = downloadedKilobytesCounter - bufferLength;
- publishProgress(downloadedKilobytes);
+ publishProgress(downloadedKilobytesCounter);
} else { // The file size is known.
+ // Update the downloaded kilobytes counter.
+ downloadedKilobytesCounter = downloadedKilobytesCounter + bufferLength;
+
// Calculate the download percentage.
- long downloadPercentage = (downloadedKilobytesCounter * 1024 * 100) / fileSize;
+ long downloadPercentage = (downloadedKilobytesCounter * 100) / fileSize;
// Update the download percentage.
publishProgress(downloadPercentage);
// Check to see if a download percentage has been calculated.
if (downloadPercentage[0] < 0) { // There is no download percentage. The negative number represents the raw downloaded kilobytes.
- // Calculate the number of bytes downloaded.
- long numberOfBytesDownloaded = (0 - downloadPercentage[0]) * 1024;
+ // Calculate the number of bytes downloaded. When the `downloadPercentage` is negative, it is actually the raw number of kilobytes downloaded.
+ long numberOfBytesDownloaded = 0 - downloadPercentage[0];
// Format the number of bytes downloaded.
String formattedNumberOfBytesDownloaded = NumberFormat.getInstance().format(numberOfBytesDownloaded);
// Update the snackbar.
- savingFileSnackbar.setText(activity.getString(R.string.saving_file) + ": " + formattedNumberOfBytesDownloaded + " " + activity.getString(R.string.bytes) + " - " + filePathString);
+ savingFileSnackbar.setText(activity.getString(R.string.saving_file) + " " + formattedNumberOfBytesDownloaded + " " + activity.getString(R.string.bytes) + " - " + filePathString);
} else { // There is a download percentage.
// Update the snackbar.
- savingFileSnackbar.setText(activity.getString(R.string.saving_file) + ": " + downloadPercentage[0] + "% - " + filePathString);
+ savingFileSnackbar.setText(activity.getString(R.string.saving_file) + " " + downloadPercentage[0] + "% - " + filePathString);
}
}
// `onPostExecute()` operates on the UI thread.
@Override
protected void onPostExecute(String saveDisposition) {
- // Get a handle for the activity.
+ // Get handles for the context and activity.
+ Context context = contextWeakReference.get();
Activity activity = activityWeakReference.get();
// Abort if the activity is gone.
// Display a save disposition snackbar.
if (saveDisposition.equals(SUCCESS)) {
- Snackbar.make(noSwipeViewPager, R.string.file_saved, Snackbar.LENGTH_SHORT).show();
+ // Create a file saved snackbar.
+ Snackbar fileSavedSnackbar = Snackbar.make(noSwipeViewPager, activity.getString(R.string.file_saved) + " " + filePathString, Snackbar.LENGTH_LONG);
+
+ // Add an open action if the file is not an APK on API >= 26 (that scenario requires the REQUEST_INSTALL_PACKAGES permission).
+ if (!(Build.VERSION.SDK_INT >= 26 && filePathString.endsWith(".apk"))) {
+ fileSavedSnackbar.setAction(R.string.open, (View v) -> {
+ // Get a file for the file path string.
+ File file = new File(filePathString);
+
+ // Define a file URI variable
+ Uri fileUri;
+
+ // Get the URI for the file according to the Android version.
+ if (Build.VERSION.SDK_INT >= 24) { // Use a file provider.
+ fileUri = FileProvider.getUriForFile(context, activity.getString(R.string.file_provider), file);
+ } else { // Get the raw file path URI.
+ fileUri = Uri.fromFile(file);
+ }
+
+ // Get a handle for the content resolver.
+ ContentResolver contentResolver = context.getContentResolver();
+
+ // Create an open intent with `ACTION_VIEW`.
+ Intent openIntent = new Intent(Intent.ACTION_VIEW);
+
+ // Set the URI and the MIME type.
+ if (filePathString.endsWith("apk") || filePathString.endsWith("APK")) { // Force detection of APKs.
+ openIntent.setDataAndType(fileUri, MimeTypeMap.getSingleton().getMimeTypeFromExtension("apk"));
+ } else { // Autodetect the MIME type.
+ openIntent.setDataAndType(fileUri, contentResolver.getType(fileUri));
+ }
+
+ // Allow the app to read the file URI.
+ openIntent.setFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
+
+ // Try the intent.
+ try {
+ // Show the chooser.
+ activity.startActivity(openIntent);
+ } catch (ActivityNotFoundException exception) { // There are no apps available to open the URL.
+ // Show a snackbar with the error.
+ Snackbar.make(noSwipeViewPager, activity.getString(R.string.error) + " " + exception, Snackbar.LENGTH_INDEFINITE).show();
+ }
+ });
+ }
+
+ // Show the file saved snackbar.
+ fileSavedSnackbar.show();
} else {
+ // Display the file saving error.
Snackbar.make(noSwipeViewPager, activity.getString(R.string.error_saving_file) + " " + saveDisposition, Snackbar.LENGTH_INDEFINITE).show();
}
}
projects / PrivacyBrowserAndroid.git / blobdiff