X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FDownloadLocationPermissionDialog.java;h=a8ebd73e2560d699341093a62fb230425b5f1d03;hp=0ad43d1c7a69d15e5adde01cb5a86c818c671b0b;hb=4d51aa9acb8daaec1326f14e5025fde6d1f0dcd8;hpb=d420aa6be32a78b27905074edc3881a6e71d2263

diff --git a/app/src/main/java/com/stoutner/privacybrowser/dialogs/DownloadLocationPermissionDialog.java b/app/src/main/java/com/stoutner/privacybrowser/dialogs/DownloadLocationPermissionDialog.java
index 0ad43d1c..a8ebd73e 100644
--- a/app/src/main/java/com/stoutner/privacybrowser/dialogs/DownloadLocationPermissionDialog.java
+++ b/app/src/main/java/com/stoutner/privacybrowser/dialogs/DownloadLocationPermissionDialog.java
@@ -1,5 +1,5 @@
 /*
- * Copyright © 2018 Soren Stoutner <soren@stoutner.com>.
+ * Copyright © 2018-2019 Soren Stoutner <soren@stoutner.com>.
  *
  * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
  *
@@ -21,68 +21,74 @@ package com.stoutner.privacybrowser.dialogs;
 
 import android.app.AlertDialog;
 import android.app.Dialog;
-import android.app.DialogFragment;
 import android.content.Context;
 import android.content.DialogInterface;
+import android.content.SharedPreferences;
 import android.os.Bundle;
+import android.preference.PreferenceManager;
+import android.view.WindowManager;
 
 import com.stoutner.privacybrowser.R;
-import com.stoutner.privacybrowser.activities.MainWebViewActivity;
+
+import androidx.annotation.NonNull;
+import androidx.fragment.app.DialogFragment;  // The AndroidX dialog fragment must be used or an error is produced on API <=22.
 
 public class DownloadLocationPermissionDialog extends DialogFragment {
+    // The constants are used to differentiate between the two download types.
     public static final int DOWNLOAD_FILE = 1;
     public static final int DOWNLOAD_IMAGE = 2;
 
-    private int downloadType;
+    // The listener is used in `onAttach()` and `onCreateDialog()`.
+    private DownloadLocationPermissionDialogListener downloadLocationPermissionDialogListener;
+
+    // The public interface is used to send information back to the parent activity.
+    public interface DownloadLocationPermissionDialogListener {
+        void onCloseDownloadLocationPermissionDialog(int downloadType);
+    }
+
+    @Override
+    public void onAttach(@NonNull Context context) {
+        // Run the default commands.
+        super.onAttach(context);
+
+        // Get a handle for the listener from the launching context.
+        downloadLocationPermissionDialogListener = (DownloadLocationPermissionDialogListener) context;
+    }
 
     public static DownloadLocationPermissionDialog downloadType(int type) {
         // Create an arguments bundle.
         Bundle argumentsBundle = new Bundle();
 
         // Store the download type in the bundle.
-        argumentsBundle.putInt("Download_Type", type);
+        argumentsBundle.putInt("download_type", type);
 
-        // Add the arguments bundle to this instance of `DownloadLocationPermissionDialog`.
+        // Add the arguments bundle to this instance of the dialog.
         DownloadLocationPermissionDialog thisDownloadLocationPermissionDialog = new DownloadLocationPermissionDialog();
         thisDownloadLocationPermissionDialog.setArguments(argumentsBundle);
         return thisDownloadLocationPermissionDialog;
     }
 
+    @NonNull
     @Override
-    public void onCreate(Bundle savedInstanceState) {
-        super.onCreate(savedInstanceState);
-
-        // Store the download type in the local class variable.
-        downloadType = getArguments().getInt("Download_Type");
-    }
-
-    // The public interface is used to send information back to the parent activity.
-    public interface DownloadLocationPermissionDialogListener {
-        void onCloseDownloadLocationPermissionDialog(int downloadType);
-    }
-
-    // `downloadLocationPermissionDialogListener` is used in `onAttach()` and `onCreateDialog()`.
-    private DownloadLocationPermissionDialogListener downloadLocationPermissionDialogListener;
-
-    @Override
-    public void onAttach(Context context) {
-        super.onAttach(context);
+    public Dialog onCreateDialog(Bundle savedInstanceState) {
+        // Remove the incorrect lint warning below that `getArguments().getInt()` might be null.
+        assert getArguments() != null;
 
-        // Check to make sure the parent activity implements the listener.
-        try {
-            downloadLocationPermissionDialogListener = (DownloadLocationPermissionDialogListener) context;
-        } catch (ClassCastException exception) {
-            throw new ClassCastException(context.toString() + " must implement DownloadLocationPermissionDialogListener.");
-        }
-    }
+        // Store the download type in a local variable.
+        int downloadType = getArguments().getInt("download_type");
 
-    @Override
-    public Dialog onCreateDialog(Bundle savedInstanceState) {
         // Use a builder to create the alert dialog.
         AlertDialog.Builder dialogBuilder;
 
+        // Get a handle for the shared preferences.
+        SharedPreferences sharedPreferences = PreferenceManager.getDefaultSharedPreferences(getContext());
+
+        // Get the screenshot and theme preferences.
+        boolean allowScreenshots = sharedPreferences.getBoolean("allow_screenshots", false);
+        boolean darkTheme = sharedPreferences.getBoolean("dark_theme", false);
+
         // Set the style and the icon according to the theme.
-        if (MainWebViewActivity.darkTheme) {
+        if (darkTheme) {
             dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
             dialogBuilder.setIcon(R.drawable.downloads_dark);
         } else {
@@ -90,19 +96,31 @@ public class DownloadLocationPermissionDialog extends DialogFragment {
             dialogBuilder.setIcon(R.drawable.downloads_light);
         }
 
-        // Set an `onClick` listener on the negative button.  Using `null` as the listener closes the dialog without doing anything else.
+        // Set the title.
+        dialogBuilder.setTitle(R.string.download_location);
+
+        // Set the text.
+        dialogBuilder.setMessage(R.string.download_location_message);
+
+        // Set an `onClick` listener on the negative button.
         dialogBuilder.setNegativeButton(R.string.ok, (DialogInterface dialog, int which) -> {
             // Inform the parent activity that the dialog was closed.
             downloadLocationPermissionDialogListener.onCloseDownloadLocationPermissionDialog(downloadType);
         });
 
-        // Set the title.
-        dialogBuilder.setTitle(R.string.download_location);
+        // Create an alert dialog from the builder.
+        final AlertDialog alertDialog = dialogBuilder.create();
 
-        // Set the text.
-        dialogBuilder.setMessage(R.string.download_location_message);
+        // Disable screenshots if not allowed.
+        if (!allowScreenshots) {
+            // Remove the warning below that `getWindow()` might be null.
+            assert alertDialog.getWindow() != null;
+
+            // Disable screenshots.
+            alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+        }
 
-        // `onCreateDialog` requires the return of an `AlertDialog`.
-        return dialogBuilder.create();
+        // `onCreateDialog()` requires the return of an `AlertDialog`.
+        return alertDialog;
     }
 }
\ No newline at end of file