org.catrobat.paintroid.dialog.IndeterminateProgressDialog.java Source code

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Here is the source code for org.catrobat.paintroid.dialog.IndeterminateProgressDialog.java

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/**
 *  Paintroid: An image manipulation application for Android.
 *  Copyright (C) 2010-2015 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.
 *
 *  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.paintroid.dialog;

import android.app.Dialog;
import android.content.Context;
import android.graphics.PorterDuff;
import android.graphics.drawable.Drawable;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AlertDialog;
import android.widget.ProgressBar;

import org.catrobat.paintroid.MainActivity;
import org.catrobat.paintroid.R;

public final class IndeterminateProgressDialog extends AlertDialog {

    private static final String NOT_INITIALIZED_ERROR_MESSAGE = "IndeterminateProgressDialog has not been initialized. Call init() first!";

    private static Dialog instance;

    public IndeterminateProgressDialog(Context context) {
        super(context, R.style.CustomProgressDialog);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        setContentView(R.layout.custom_progress_dialog);

        // Remove this section once AppCompat supports tinting Progressbars
        if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP) {
            ProgressBar progressBar = (ProgressBar) findViewById(R.id.progressBar);
            if (progressBar != null) {
                Drawable drawable = progressBar.getIndeterminateDrawable();
                drawable.setColorFilter(ContextCompat.getColor(getContext(), R.color.tools_text_color),
                        PorterDuff.Mode.SRC_IN);
            }
        }

        setCancelable(false);
    }

    public static Dialog getInstance() {
        if (instance == null) {
            throw new IllegalStateException(NOT_INITIALIZED_ERROR_MESSAGE);
        }
        return instance;
    }

    public static void init(MainActivity mainActivity) {
        instance = new IndeterminateProgressDialog(mainActivity);
    }
}