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/*
* Copyright (C) 2023 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings.localepicker;
import static android.window.OnBackInvokedDispatcher.PRIORITY_DEFAULT;
import android.app.Activity;
import android.app.Dialog;
import android.app.settings.SettingsEnums;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import android.window.OnBackInvokedCallback;
import android.window.OnBackInvokedDispatcher;
import androidx.annotation.NonNull;
import androidx.annotation.VisibleForTesting;
import androidx.appcompat.app.AlertDialog;
import com.android.internal.app.LocaleStore;
import com.android.settings.R;
import com.android.settings.core.instrumentation.InstrumentedDialogFragment;
import com.android.settings.overlay.FeatureFactory;
import com.android.settingslib.core.instrumentation.MetricsFeatureProvider;
/**
* Create a dialog for system locale events.
*/
public class LocaleDialogFragment extends InstrumentedDialogFragment {
private static final String TAG = LocaleDialogFragment.class.getSimpleName();
static final int DIALOG_CONFIRM_SYSTEM_DEFAULT = 1;
static final int DIALOG_NOT_AVAILABLE_LOCALE = 2;
static final int DIALOG_ADD_SYSTEM_LOCALE = 3;
static final String ARG_DIALOG_TYPE = "arg_dialog_type";
static final String ARG_TARGET_LOCALE = "arg_target_locale";
static final String ARG_SHOW_DIALOG = "arg_show_dialog";
private boolean mShouldKeepDialog;
private AlertDialog mAlertDialog;
private OnBackInvokedDispatcher mBackDispatcher;
private OnBackInvokedCallback mBackCallback = () -> {
Log.d(TAG, "Do not back to previous page if the dialog is displaying.");
};
public static LocaleDialogFragment newInstance() {
return new LocaleDialogFragment();
}
@Override
public int getMetricsCategory() {
int dialogType = getArguments().getInt(ARG_DIALOG_TYPE);
switch (dialogType) {
case DIALOG_CONFIRM_SYSTEM_DEFAULT:
return SettingsEnums.DIALOG_SYSTEM_LOCALE_CHANGE;
case DIALOG_NOT_AVAILABLE_LOCALE:
return SettingsEnums.DIALOG_SYSTEM_LOCALE_UNAVAILABLE;
default:
return SettingsEnums.DIALOG_SYSTEM_LOCALE_CHANGE;
}
}
@Override
public void onSaveInstanceState(Bundle outState) {
super.onSaveInstanceState(outState);
outState.putBoolean(ARG_SHOW_DIALOG, mShouldKeepDialog);
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
if (savedInstanceState != null) {
Bundle arguments = getArguments();
int type = arguments.getInt(ARG_DIALOG_TYPE);
mShouldKeepDialog = savedInstanceState.getBoolean(ARG_SHOW_DIALOG, false);
// Keep the dialog if user rotates the device, otherwise close the confirm system
// default dialog only when user changes the locale.
if ((type == DIALOG_CONFIRM_SYSTEM_DEFAULT || type == DIALOG_ADD_SYSTEM_LOCALE)
&& !mShouldKeepDialog) {
dismiss();
}
}
mShouldKeepDialog = true;
LocaleListEditor parentFragment = (LocaleListEditor) getParentFragment();
LocaleDialogController controller = getLocaleDialogController(getContext(), this,
parentFragment);
LocaleDialogController.DialogContent dialogContent = controller.getDialogContent();
ViewGroup viewGroup = (ViewGroup) LayoutInflater.from(getContext()).inflate(
R.layout.locale_dialog, null);
setDialogTitle(viewGroup, dialogContent.mTitle);
setDialogMessage(viewGroup, dialogContent.mMessage);
AlertDialog.Builder builder = new AlertDialog.Builder(getContext())
.setView(viewGroup);
if (!dialogContent.mPositiveButton.isEmpty()) {
builder.setPositiveButton(dialogContent.mPositiveButton, controller);
}
if (!dialogContent.mNegativeButton.isEmpty()) {
builder.setNegativeButton(dialogContent.mNegativeButton, controller);
}
mAlertDialog = builder.create();
getOnBackInvokedDispatcher().registerOnBackInvokedCallback(PRIORITY_DEFAULT, mBackCallback);
mAlertDialog.setCanceledOnTouchOutside(false);
mAlertDialog.setOnDismissListener(dialogInterface -> {
mAlertDialog.getOnBackInvokedDispatcher().unregisterOnBackInvokedCallback(
mBackCallback);
});
return mAlertDialog;
}
private static void setDialogTitle(View root, String content) {
TextView titleView = root.findViewById(R.id.dialog_title);
if (titleView == null) {
return;
}
titleView.setText(content);
}
private static void setDialogMessage(View root, String content) {
TextView textView = root.findViewById(R.id.dialog_msg);
if (textView == null) {
return;
}
textView.setText(content);
}
@VisibleForTesting
public OnBackInvokedCallback getBackInvokedCallback() {
return mBackCallback;
}
@VisibleForTesting
public void setBackDispatcher(OnBackInvokedDispatcher dispatcher) {
mBackDispatcher = dispatcher;
}
@VisibleForTesting
public OnBackInvokedDispatcher getOnBackInvokedDispatcher() {
if (mBackDispatcher != null) {
return mBackDispatcher;
} else {
return mAlertDialog.getOnBackInvokedDispatcher();
}
}
@VisibleForTesting
LocaleDialogController getLocaleDialogController(Context context,
LocaleDialogFragment dialogFragment, LocaleListEditor parentFragment) {
return new LocaleDialogController(context, dialogFragment, parentFragment);
}
class LocaleDialogController implements DialogInterface.OnClickListener {
private final Context mContext;
private final int mDialogType;
private final LocaleStore.LocaleInfo mLocaleInfo;
private final MetricsFeatureProvider mMetricsFeatureProvider;
private LocaleListEditor mParent;
LocaleDialogController(
@NonNull Context context, @NonNull LocaleDialogFragment dialogFragment,
LocaleListEditor parentFragment) {
mContext = context;
Bundle arguments = dialogFragment.getArguments();
mDialogType = arguments.getInt(ARG_DIALOG_TYPE);
mLocaleInfo = (LocaleStore.LocaleInfo) arguments.getSerializable(ARG_TARGET_LOCALE);
mMetricsFeatureProvider =
FeatureFactory.getFeatureFactory().getMetricsFeatureProvider();
mParent = parentFragment;
}
@Override
public void onClick(DialogInterface dialog, int which) {
if (mDialogType == DIALOG_CONFIRM_SYSTEM_DEFAULT
|| mDialogType == DIALOG_ADD_SYSTEM_LOCALE) {
int result = Activity.RESULT_CANCELED;
boolean changed = false;
if (which == DialogInterface.BUTTON_POSITIVE) {
result = Activity.RESULT_OK;
changed = true;
}
Intent intent = new Intent();
Bundle bundle = new Bundle();
bundle.putInt(ARG_DIALOG_TYPE, mDialogType);
bundle.putSerializable(LocaleDialogFragment.ARG_TARGET_LOCALE, mLocaleInfo);
intent.putExtras(bundle);
mParent.onActivityResult(mDialogType, result, intent);
mMetricsFeatureProvider.action(mContext, SettingsEnums.ACTION_CHANGE_LANGUAGE,
changed);
}
mShouldKeepDialog = false;
}
@VisibleForTesting
DialogContent getDialogContent() {
DialogContent dialogContent = new DialogContent();
switch (mDialogType) {
case DIALOG_CONFIRM_SYSTEM_DEFAULT:
dialogContent.mTitle = String.format(mContext.getString(
R.string.title_change_system_locale), mLocaleInfo.getFullNameNative());
dialogContent.mMessage = mContext.getString(
R.string.desc_notice_device_locale_settings_change);
dialogContent.mPositiveButton = mContext.getString(
R.string.button_label_confirmation_of_system_locale_change);
dialogContent.mNegativeButton = mContext.getString(R.string.cancel);
break;
case DIALOG_NOT_AVAILABLE_LOCALE:
dialogContent.mTitle = String.format(mContext.getString(
R.string.title_unavailable_locale), mLocaleInfo.getFullNameNative());
dialogContent.mMessage = mContext.getString(R.string.desc_unavailable_locale);
dialogContent.mPositiveButton = mContext.getString(R.string.okay);
break;
case DIALOG_ADD_SYSTEM_LOCALE:
dialogContent.mTitle = String.format(mContext.getString(
R.string.title_system_locale_addition),
mLocaleInfo.getFullNameNative());
dialogContent.mMessage = mContext.getString(
R.string.desc_system_locale_addition);
dialogContent.mPositiveButton = mContext.getString(R.string.add);
dialogContent.mNegativeButton = mContext.getString(R.string.cancel);
break;
default:
break;
}
return dialogContent;
}
@VisibleForTesting
static class DialogContent {
String mTitle = "";
String mMessage = "";
String mPositiveButton = "";
String mNegativeButton = "";
}
}
}