src/com/android/car/carlauncher/homescreen/CardPresenter.java

/*
 * Copyright (C) 2020 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.car.carlauncher.homescreen;

import androidx.fragment.app.Fragment;

/**
 * Abstract class for the Presenter for a card on the home screen.
 */
public abstract class CardPresenter implements HomeCardInterface.Presenter {

    private HomeCardInterface.View mView;

    @Override
    public void setView(HomeCardInterface.View view) {
        mView = view;
    }

    @Override
    public void onModelUpdated(HomeCardInterface.Model model) {
        if (model != null && model.getCardHeader() != null) {
            mView.updateHeaderView(model.getCardHeader());
            if (model.getCardContent() != null) {
                mView.updateContentView(model.getCardContent());
            }
        } else {
            mView.hideCard();
        }
    }

    public Fragment getFragment() {
        return mView.getFragment();
    }
}