--- /dev/null
+/*
+ * Copyright © 2016-2019 Soren Stoutner <soren@stoutner.com>.
+ *
+ * This file is part of Privacy Browser <https://www.stoutner.com/privacy-browser>.
+ *
+ * Privacy Browser 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,
+ * 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/>.
+ */
+
+package com.stoutner.privacybrowser.dialogs;
+
+import android.Manifest;
+import android.annotation.SuppressLint;
+import android.app.AlertDialog;
+import android.app.Dialog;
+import android.content.Context;
+import android.content.DialogInterface;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.os.Build;
+import android.os.Bundle;
+import android.os.Environment;
+import android.provider.DocumentsContract;
+import android.support.annotation.NonNull;
+import android.support.v4.content.ContextCompat;
+// `AppCompatDialogFragment` is required instead of `DialogFragment` or an error is produced on API <=22. It is also required for the browser button to work correctly.
+import android.support.v7.app.AppCompatDialogFragment;
+import android.text.Editable;
+import android.text.TextWatcher;
+import android.view.View;
+import android.view.WindowManager;
+import android.widget.Button;
+import android.widget.EditText;
+import android.widget.TextView;
+
+import com.stoutner.privacybrowser.R;
+import com.stoutner.privacybrowser.activities.MainWebViewActivity;
+
+public class SaveLogcatDialog extends AppCompatDialogFragment {
+ // Instantiate the class variables.
+ private SaveLogcatListener saveLogcatListener;
+ private Context parentContext;
+
+ // The public interface is used to send information back to the parent activity.
+ public interface SaveLogcatListener {
+ void onSaveLogcat(AppCompatDialogFragment dialogFragment);
+ }
+
+ public void onAttach(Context context) {
+ // Run the default commands.
+ super.onAttach(context);
+
+ // Store a handle for the context.
+ parentContext = context;
+
+ // Get a handle for `SaveLogcatListener` from the launching context.
+ saveLogcatListener = (SaveLogcatListener) context;
+ }
+
+ // `@SuppressLing("InflateParams")` removes the warning about using `null` as the parent view group when inflating the `AlertDialog`.
+ @SuppressLint("InflateParams")
+ @Override
+ @NonNull
+ public Dialog onCreateDialog(Bundle savedInstanceState) {
+ // Use an alert dialog builder to create the alert dialog.
+ AlertDialog.Builder dialogBuilder;
+
+ // Set the style according to the theme.
+ if (MainWebViewActivity.darkTheme) {
+ dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogDark);
+ } else {
+ dialogBuilder = new AlertDialog.Builder(getActivity(), R.style.PrivacyBrowserAlertDialogLight);
+ }
+
+ // Set the title.
+ dialogBuilder.setTitle(R.string.save_logcat);
+
+ // Remove the incorrect lint warning that `getActivity().getLayoutInflater()` might be null.
+ assert getActivity() != null;
+
+ // Set the view. The parent view is null because it will be assigned by the alert dialog.
+ dialogBuilder.setView(getActivity().getLayoutInflater().inflate(R.layout.save_logcat_dialog, null));
+
+ // Set the icon according to the theme.
+ if (MainWebViewActivity.darkTheme) {
+ dialogBuilder.setIcon(R.drawable.save_dialog_dark);
+ } else {
+ dialogBuilder.setIcon(R.drawable.save_dialog_light);
+ }
+
+ // Set the cancel button listener.
+ dialogBuilder.setNegativeButton(R.string.cancel, (DialogInterface dialog, int which) -> {
+ // Do nothing. The alert dialog will close automatically.
+ });
+
+ // Set the save button listener.
+ dialogBuilder.setPositiveButton(R.string.save, (DialogInterface dialog, int which) -> {
+ // Return the dialog fragment to the parent activity.
+ saveLogcatListener.onSaveLogcat(this);
+ });
+
+ // Create an alert dialog from the builder.
+ AlertDialog alertDialog = dialogBuilder.create();
+
+ // Remove the incorrect lint warning below that `getWindow().addFlags()` might be null.
+ assert alertDialog.getWindow() != null;
+
+ // Disable screenshots if not allowed.
+ if (!MainWebViewActivity.allowScreenshots) {
+ alertDialog.getWindow().addFlags(WindowManager.LayoutParams.FLAG_SECURE);
+ }
+
+ // The alert dialog must be shown before items in the layout can be modified.
+ alertDialog.show();
+
+ // Get handles for the layout items.
+ EditText fileNameEditText = alertDialog.findViewById(R.id.file_name_edittext);
+ Button browseButton = alertDialog.findViewById(R.id.browse_button);
+ TextView storagePermissionTextView = alertDialog.findViewById(R.id.storage_permission_textview);
+ Button saveButton = alertDialog.getButton(AlertDialog.BUTTON_POSITIVE);
+
+ // Create a string for the default file path.
+ String defaultFilePath;
+
+ // Set the default file path according to the storage permission state.
+ if (ContextCompat.checkSelfPermission(parentContext, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { // The storage permission has been granted.
+ // Set the default file path to use the external public directory.
+ defaultFilePath = Environment.getExternalStorageDirectory() + "/" + getString(R.string.privacy_browser_logcat_txt);
+ } else { // The storage permission has not been granted.
+ // Set the default file path to use the external private directory.
+ defaultFilePath = parentContext.getExternalFilesDir(null) + "/" + getString(R.string.privacy_browser_logcat_txt);
+ }
+
+ // Display the default file path.
+ fileNameEditText.setText(defaultFilePath);
+
+ // Update the status of the save button when the file name changes.
+ fileNameEditText.addTextChangedListener(new TextWatcher() {
+ @Override
+ public void beforeTextChanged(CharSequence s, int start, int count, int after) {
+ // Do nothing.
+ }
+
+ @Override
+ public void onTextChanged(CharSequence s, int start, int before, int count) {
+ // Do nothing.
+ }
+
+ @Override
+ public void afterTextChanged(Editable s) {
+ // Enable the save button if a file name exists.
+ saveButton.setEnabled(!fileNameEditText.getText().toString().isEmpty());
+ }
+ });
+
+ // Handle clicks on the browse button.
+ browseButton.setOnClickListener((View view) -> {
+ // Create the file picker intent.
+ Intent browseIntent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
+
+ // Set the intent MIME type to include all files so that everything is visible.
+ browseIntent.setType("*/*");
+
+ // Set the initial file name.
+ browseIntent.putExtra(Intent.EXTRA_TITLE, getString(R.string.privacy_browser_logcat_txt));
+
+ // Set the initial directory if the minimum API >= 26.
+ if (Build.VERSION.SDK_INT >= 26) {
+ browseIntent.putExtra(DocumentsContract.EXTRA_INITIAL_URI, Environment.getExternalStorageDirectory());
+ }
+
+ // Request a file that can be opened.
+ browseIntent.addCategory(Intent.CATEGORY_OPENABLE);
+
+ // Launch the file picker. There is only one `startActivityForResult()`, so the request code is simply set to 0.
+ startActivityForResult(browseIntent, 0);
+ });
+
+ // Hide the storage permission text view on API < 23 as permissions on older devices are automatically granted.
+ if (Build.VERSION.SDK_INT < 23) {
+ storagePermissionTextView.setVisibility(View.GONE);
+ }
+
+ // Return the alert dialog.
+ return alertDialog;
+ }
+}