net.reichholf.dreamdroid.tv.presenter.CardPresenter.java Source code

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Here is the source code for net.reichholf.dreamdroid.tv.presenter.CardPresenter.java

Source

package net.reichholf.dreamdroid.tv.presenter;

/**
 * Created by Stephan on 16.10.2016.
 */

/*
 * Copyright (c) 2015 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.
 */

import android.content.res.Resources;
import android.graphics.drawable.Drawable;
import android.support.v17.leanback.widget.ImageCardView;
import android.support.v17.leanback.widget.Presenter;
import android.support.v4.content.ContextCompat;
import android.view.ViewGroup;
import android.widget.ImageView;

import net.reichholf.dreamdroid.R;
import net.reichholf.dreamdroid.helpers.ExtendedHashMap;
import net.reichholf.dreamdroid.helpers.enigma2.Event;
import net.reichholf.dreamdroid.helpers.enigma2.Picon;

/*
 * A CardPresenter is used to generate Views and bind Objects to them on demand.
 * It contains an Image CardView
 */
public class CardPresenter extends Presenter {
    private int mSelectedBackgroundColor = -1;
    private int mDefaultBackgroundColor = -1;
    private Drawable mDefaultCardImage;

    private boolean mSettingsMode;

    public CardPresenter() {
        super();
        mSettingsMode = false;
    }

    public CardPresenter(boolean isSettings) {
        super();
        mSettingsMode = isSettings;
    }

    @Override
    public ViewHolder onCreateViewHolder(ViewGroup parent) {
        mDefaultBackgroundColor = ContextCompat.getColor(parent.getContext(), R.color.primary_dreamdroid);
        mSelectedBackgroundColor = ContextCompat.getColor(parent.getContext(), R.color.primary_material_dark);
        mDefaultCardImage = parent.getResources().getDrawable(R.drawable.dreamdroid_logo_simple, null);

        ImageCardView cardView = new ImageCardView(parent.getContext()) {
            @Override
            public void setSelected(boolean selected) {
                updateCardBackgroundColor(this, selected);
                super.setSelected(selected);
            }
        };

        cardView.setFocusable(true);
        cardView.setFocusableInTouchMode(true);
        updateCardBackgroundColor(cardView, false);
        return new ViewHolder(cardView);
    }

    private void updateCardBackgroundColor(ImageCardView view, boolean selected) {
        int color = selected ? mSelectedBackgroundColor : mDefaultBackgroundColor;

        // Both background colors should be set because the view's
        // background is temporarily visible during animations.
        view.setBackgroundColor(color);
        view.findViewById(R.id.info_field).setBackgroundColor(color);
    }

    @Override
    public void onBindViewHolder(Presenter.ViewHolder viewHolder, Object item) {
        if (mSettingsMode)
            bindSettingsViewHolder(viewHolder, item);
        else
            bindServiceViewHolder(viewHolder, item);
    }

    protected void bindSettingsViewHolder(Presenter.ViewHolder viewHolder, Object item) {
        ExtendedHashMap it = (ExtendedHashMap) item;
        ImageCardView cardView = (ImageCardView) viewHolder.view;
        cardView.setTitleText(it.getString("title"));

        Integer mainImageId = (int) it.get("icon");
        if (mainImageId != null)
            cardView.setMainImage(cardView.getResources().getDrawable(mainImageId, null));
        else
            cardView.setMainImage(mDefaultCardImage);
        cardView.getMainImageView().setScaleType(ImageView.ScaleType.FIT_CENTER);
        Resources res = cardView.getResources();
        int width = res.getDimensionPixelSize(R.dimen.card_width);
        int height = res.getDimensionPixelSize(R.dimen.card_height);
        cardView.setMainImageDimensions(width, height);
    }

    protected void bindServiceViewHolder(Presenter.ViewHolder viewHolder, Object item) {
        ExtendedHashMap event = (ExtendedHashMap) item;
        String title = event.getString(Event.KEY_SERVICE_NAME);
        String eventTitle = event.getString(Event.KEY_EVENT_TITLE);
        ImageCardView cardView = (ImageCardView) viewHolder.view;
        //cardView.setMainImage(mDefaultCardImage);

        Picon.setPiconForView(cardView.getContext(), cardView.getMainImageView(), event, "tv_picon");
        cardView.setTitleText(title);
        cardView.setContentText(eventTitle);
        cardView.getMainImageView().setScaleType(ImageView.ScaleType.FIT_CENTER);
        Resources res = cardView.getResources();
        int width = res.getDimensionPixelSize(R.dimen.card_width);
        int height = res.getDimensionPixelSize(R.dimen.card_height);
        cardView.setMainImageDimensions(width, height);
    }

    @Override
    public void onUnbindViewHolder(Presenter.ViewHolder viewHolder) {
        ImageCardView cardView = (ImageCardView) viewHolder.view;

        // Remove references to images so that the garbage collector can free up memory.
        cardView.setBadgeImage(null);
        cardView.setMainImage(null);
    }
}