src/com/android/settings/applications/ResetAppPrefPreferenceController.java

/*
 * Copyright (C) 2017 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.applications;

import android.content.Context;
import android.os.Bundle;
import android.support.v7.preference.Preference;
import android.text.TextUtils;

import com.android.settings.core.PreferenceControllerMixin;
import com.android.settingslib.core.AbstractPreferenceController;
import com.android.settingslib.core.lifecycle.Lifecycle;
import com.android.settingslib.core.lifecycle.LifecycleObserver;
import com.android.settingslib.core.lifecycle.events.OnCreate;
import com.android.settingslib.core.lifecycle.events.OnSaveInstanceState;

public class ResetAppPrefPreferenceController extends AbstractPreferenceController
        implements PreferenceControllerMixin, LifecycleObserver, OnCreate, OnSaveInstanceState {

    private ResetAppsHelper mResetAppsHelper;

    public ResetAppPrefPreferenceController(Context context, Lifecycle lifecycle) {
        super(context);
        mResetAppsHelper = new ResetAppsHelper(context);
        if (lifecycle != null) {
            lifecycle.addObserver(this);
        }
    }

    @Override
    public boolean handlePreferenceTreeClick(Preference preference) {
        if (!TextUtils.equals(preference.getKey(), getPreferenceKey())) {
            return false;
        }
        mResetAppsHelper.buildResetDialog();
        return true;
    }

    @Override
    public boolean isAvailable() {
        return true;
    }

    @Override
    public String getPreferenceKey() {
        return "reset_app_prefs";
    }

    @Override
    public void onCreate(Bundle savedInstanceState) {
        mResetAppsHelper.onRestoreInstanceState(savedInstanceState);
    }

    @Override
    public void onSaveInstanceState(Bundle outState) {
        mResetAppsHelper.onSaveInstanceState(outState);
    }
}