org.catrobat.catroid.pocketmusic.ui.NoteView.java Source code

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Here is the source code for org.catrobat.catroid.pocketmusic.ui.NoteView.java

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/*
 * Catroid: An on-device visual programming system for Android devices
 * Copyright (C) 2010-2016 The Catrobat Team
 * (<http://developer.catrobat.org/credits>)
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Affero General Public License as
 * published by the Free Software Foundation, either version 3 of the
 * License, or (at your option) any later version.
 *
 * An additional term exception under section 7 of the GNU Affero
 * General Public License, version 3, is available at
 * http://developer.catrobat.org/license_additional_term
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU Affero General Public License for more details.
 *
 * You should have received a copy of the GNU Affero General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.catrobat.catroid.pocketmusic.ui;

import android.content.Context;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.support.v4.content.ContextCompat;
import android.view.View;
import android.widget.ImageView;

import org.catrobat.catroid.R;

public class NoteView extends ImageView implements View.OnClickListener {

    private static final int HIDDEN = 0;
    private static final int FULL_VISIBLE = 255;
    private boolean toggled;
    private Drawable noteDrawable;

    public NoteView(Context context) {
        this(context, ContextCompat.getColor(context, R.color.white));
    }

    public NoteView(Context context, int backgroundColor) {
        super(context);
        setOnClickListener(this);
        setAdjustViewBounds(true);
        setBackgroundColor(backgroundColor);
        setScaleType(ScaleType.CENTER_INSIDE);
        initNoteDrawable();
    }

    private void initNoteDrawable() {
        noteDrawable = ContextCompat.getDrawable(getContext(), R.drawable.ic_pocketmusic_note_toggle);
        noteDrawable.setColorFilter(ContextCompat.getColor(getContext(), R.color.terms_of_use_text_color),
                PorterDuff.Mode.SRC_IN);
        noteDrawable.mutate();
        noteDrawable.setAlpha(HIDDEN);
        setImageDrawable(noteDrawable);
    }

    @Override
    public void onClick(View v) {
        toggled = !toggled;
        if (toggled) {
            noteDrawable.setAlpha(FULL_VISIBLE);
        } else {
            noteDrawable.setAlpha(HIDDEN);
        }
        invalidate();
    }

    public boolean isToggled() {
        return toggled;
    }
}