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/*
* Copyright (C) 2016 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.dialer.blocking;
import android.app.AlertDialog;
import android.app.Dialog;
import android.app.DialogFragment;
import android.content.DialogInterface;
import android.content.DialogInterface.OnShowListener;
import android.os.Bundle;
import android.view.View;
import com.android.dialer.blocking.BlockedNumbersMigrator.Listener;
import java.util.Objects;
/**
* Dialog fragment shown to users when they need to migrate to use {@link
* android.provider.BlockedNumberContract} for blocking.
*/
public class MigrateBlockedNumbersDialogFragment extends DialogFragment {
private BlockedNumbersMigrator mBlockedNumbersMigrator;
private BlockedNumbersMigrator.Listener mMigrationListener;
/**
* Creates a new MigrateBlockedNumbersDialogFragment.
*
* @param blockedNumbersMigrator The {@link BlockedNumbersMigrator} which will be used to migrate
* the numbers.
* @param migrationListener The {@link BlockedNumbersMigrator.Listener} to call when the migration
* is complete.
* @return The new MigrateBlockedNumbersDialogFragment.
* @throws NullPointerException if blockedNumbersMigrator or migrationListener are {@code null}.
*/
public static DialogFragment newInstance(
BlockedNumbersMigrator blockedNumbersMigrator,
BlockedNumbersMigrator.Listener migrationListener) {
MigrateBlockedNumbersDialogFragment fragment = new MigrateBlockedNumbersDialogFragment();
fragment.mBlockedNumbersMigrator = Objects.requireNonNull(blockedNumbersMigrator);
fragment.mMigrationListener = Objects.requireNonNull(migrationListener);
return fragment;
}
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
super.onCreateDialog(savedInstanceState);
AlertDialog dialog =
new AlertDialog.Builder(getActivity())
.setTitle(R.string.migrate_blocked_numbers_dialog_title)
.setMessage(R.string.migrate_blocked_numbers_dialog_message)
.setPositiveButton(R.string.migrate_blocked_numbers_dialog_allow_button, null)
.setNegativeButton(R.string.migrate_blocked_numbers_dialog_cancel_button, null)
.create();
// The Dialog's buttons aren't available until show is called, so an OnShowListener
// is used to set the positive button callback.
dialog.setOnShowListener(
new OnShowListener() {
@Override
public void onShow(DialogInterface dialog) {
final AlertDialog alertDialog = (AlertDialog) dialog;
alertDialog
.getButton(AlertDialog.BUTTON_POSITIVE)
.setOnClickListener(newPositiveButtonOnClickListener(alertDialog));
}
});
return dialog;
}
/*
* Creates a new View.OnClickListener to be used as the positive button in this dialog. The
* OnClickListener will grey out the dialog's positive and negative buttons while the migration
* is underway, and close the dialog once the migrate is complete.
*/
private View.OnClickListener newPositiveButtonOnClickListener(final AlertDialog alertDialog) {
return new View.OnClickListener() {
@Override
public void onClick(View v) {
alertDialog.getButton(AlertDialog.BUTTON_POSITIVE).setEnabled(false);
alertDialog.getButton(AlertDialog.BUTTON_NEGATIVE).setEnabled(false);
mBlockedNumbersMigrator.migrate(
new Listener() {
@Override
public void onComplete() {
alertDialog.dismiss();
mMigrationListener.onComplete();
}
});
}
};
}
@Override
public void onPause() {
// The dialog is dismissed and state is cleaned up onPause, i.e. rotation.
dismiss();
mBlockedNumbersMigrator = null;
mMigrationListener = null;
super.onPause();
}
}
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