X-Git-Url: https://gitweb.stoutner.com/?p=PrivacyBrowserAndroid.git;a=blobdiff_plain;f=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FSaveLogcatDialog.java;fp=app%2Fsrc%2Fmain%2Fjava%2Fcom%2Fstoutner%2Fprivacybrowser%2Fdialogs%2FSaveLogcatDialog.java;h=4faafcbaf901ee424ee89d491eadc3b6b359f6e5;hp=0000000000000000000000000000000000000000;hb=33bd447a83bd3d763ee26bbb3a3f4adb074776ed;hpb=d74854d2f02ef3aaa9ecb13185add6c7869d05a7 diff --git a/app/src/main/java/com/stoutner/privacybrowser/dialogs/SaveLogcatDialog.java b/app/src/main/java/com/stoutner/privacybrowser/dialogs/SaveLogcatDialog.java new file mode 100644 index 00000000..4faafcba --- /dev/null +++ b/app/src/main/java/com/stoutner/privacybrowser/dialogs/SaveLogcatDialog.java @@ -0,0 +1,197 @@ +/* + * Copyright © 2016-2019 Soren Stoutner . + * + * This file is part of 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 . + */ + +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; + } +}