/*
- * Copyright © 2019 Soren Stoutner <soren@stoutner.com>.
+ * Copyright0 2019-2022 Soren Stoutner <soren@stoutner.com>.
*
- * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ * This file is part of Privacy Browser Android <https://www.stoutner.com/privacy-browser-android>.
*
- * Privacy Browser is free software: you can redistribute it and/or modify
+ * Privacy Browser Android is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
- * Privacy Browser is distributed in the hope that it will be useful,
+ * Privacy Browser Android is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
- * along with Privacy Browser. If not, see <http://www.gnu.org/licenses/>.
+ * along with Privacy Browser Android. If not, see <http://www.gnu.org/licenses/>.
*/
package com.stoutner.privacybrowser.asynctasks;
import android.app.Activity;
+import android.database.Cursor;
import android.graphics.Bitmap;
import android.graphics.Canvas;
+import android.net.Uri;
import android.os.AsyncTask;
+import android.os.Build;
+import android.provider.OpenableColumns;
import com.google.android.material.snackbar.Snackbar;
import com.stoutner.privacybrowser.R;
import com.stoutner.privacybrowser.views.NestedScrollWebView;
-import com.stoutner.privacybrowser.views.NoSwipeViewPager;
import java.io.ByteArrayOutputStream;
-import java.io.File;
-import java.io.FileOutputStream;
+import java.io.OutputStream;
import java.lang.ref.WeakReference;
-public class SaveWebpageImage extends AsyncTask<String, Void, String> {
- // Define the weak references.
- private WeakReference<Activity> activityWeakReference;
- private WeakReference<NestedScrollWebView> nestedScrollWebViewWeakReference;
+public class SaveWebpageImage extends AsyncTask<Void, Void, String> {
+ // Declare the weak references.
+ private
final WeakReference<Activity> activityWeakReference;
+ private final WeakReference<NestedScrollWebView> nestedScrollWebViewWeakReference;
- // Define a success string constant.
+ // Declare the class constants.
private final String SUCCESS = "Success";
- // Define the saving image snackbar and the webpage bitmap.
+ // Declare the class variables.
private Snackbar savingImageSnackbar;
private Bitmap webpageBitmap;
+ private final Uri fileUri;
+ private final String fileNameString;
// The public constructor.
- public SaveWebpageImage(Activity activity, NestedScrollWebView nestedScrollWebView) {
+ public SaveWebpageImage(Activity activity, Uri fileUri, NestedScrollWebView nestedScrollWebView) {
// Populate the weak references.
activityWeakReference = new WeakReference<>(activity);
nestedScrollWebViewWeakReference = new WeakReference<>(nestedScrollWebView);
+
+ // Populate the class variables.
+ this.fileUri = fileUri;
+
+ // Query the exact file name if the API >= 26.
+ if (Build.VERSION.SDK_INT >= 26) {
+ // Get a cursor from the content resolver.
+ Cursor contentResolverCursor = activity.getContentResolver().query(fileUri, null, null, null);
+
+ // Move to the first row.
+ contentResolverCursor.moveToFirst();
+
+ // Get the file name from the cursor.
+ fileNameString = contentResolverCursor.getString(contentResolverCursor.getColumnIndexOrThrow(OpenableColumns.DISPLAY_NAME));
+
+ // Close the cursor.
+ contentResolverCursor.close();
+ } else {
+ // Use the file URI last path segment as the file name string.
+ fileNameString = fileUri.getLastPathSegment();
+ }
}
// `onPreExecute()` operates on the UI thread.
@Override
protected void onPreExecute() {
- // Get a handle for the activity and the nested scroll WebView.
+ // Get handles for the activity and the nested scroll WebView.
Activity activity = activityWeakReference.get();
NestedScrollWebView nestedScrollWebView = nestedScrollWebViewWeakReference.get();
}
// Create a saving image snackbar.
- savingImageSnackbar = Snackbar.make(nestedScrollWebView, R.string.saving_image, Snackbar.LENGTH_INDEFINITE);
+ savingImageSnackbar = Snackbar.make(nestedScrollWebView, activity.getString(R.string.processing_image) + " " + fileNameString, Snackbar.LENGTH_INDEFINITE);
// Display the saving image snackbar.
savingImageSnackbar.show();
}
@Override
- protected String doInBackground(String... fileName) {
+ protected String doInBackground(Void... Void) {
// Get a handle for the activity.
Activity activity = activityWeakReference.get();
// Create a webpage PNG byte array output stream.
ByteArrayOutputStream webpageByteArrayOutputStream = new ByteArrayOutputStream();
- // Convert the bitmap to a PNG. `0` is for lossless compression (the only option for a PNG). This compression takes a long time.
+ // Convert the bitmap to a PNG. `0` is for lossless compression (the only option for a PNG). This compression takes a long time. Once the minimum API >= 30 this could be replaced with WEBP_LOSSLESS.
webpageBitmap.compress(Bitmap.CompressFormat.PNG, 0, webpageByteArrayOutputStream);
- // Get a file for the image.
- File imageFile = new File(fileName[0]);
-
- // Delete the current file if it exists.
- if (imageFile.exists()) {
- //noinspection ResultOfMethodCallIgnored
- imageFile.delete();
- }
-
// Create a file creation disposition string.
String fileCreationDisposition = SUCCESS;
try {
// Create an image file output stream.
- FileOutputStream imageFileOutputStream = new FileOutputStream(imageFile);
+ OutputStream imageFileOutputStream = activity.getContentResolver().openOutputStream(fileUri);
// Write the webpage image to the image file.
webpageByteArrayOutputStream.writeTo(imageFileOutputStream);
// `onPostExecute()` operates on the UI thread.
@Override
protected void onPostExecute(String fileCreationDisposition) {
- // Get a handle for the activity.
+ // Get handles for the weak references.
Activity activity = activityWeakReference.get();
+ NestedScrollWebView nestedScrollWebView = nestedScrollWebViewWeakReference.get();
// Abort if the activity is gone.
if ((activity == null) || activity.isFinishing()) {
return;
}
- // Get a handle for the no swipe view pager.
- NoSwipeViewPager noSwipeViewPager = activity.findViewById(R.id.webviewpager);
-
// Dismiss the saving image snackbar.
savingImageSnackbar.dismiss();
// Display a file creation disposition snackbar.
if (fileCreationDisposition.equals(SUCCESS)) {
- Snackbar.make(noSwipeViewPager, R.string.image_saved, Snackbar.LENGTH_SHORT).show();
+ // Display the image saved snackbar.
+ Snackbar.make(nestedScrollWebView, activity.getString(R.string.saved, fileNameString), Snackbar.LENGTH_SHORT).show();
} else {
- Snackbar.make(noSwipeViewPager, activity.getString(R.string.error_saving_image) + " " + fileCreationDisposition, Snackbar.LENGTH_INDEFINITE).show();
+ // Display the file saving error.
+ Snackbar.make(nestedScrollWebView, activity.getString(R.string.error_saving_file, fileNameString, fileCreationDisposition), Snackbar.LENGTH_INDEFINITE).show();
}
}
-}
\ No newline at end of file
+}
projects / PrivacyBrowserAndroid.git / blobdiff