/**
 * Wire
 * Copyright (C) 2016 Wire Swiss GmbH
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 */
package com.waz.zclient.pages.main.conversationpager;

import android.content.Context;
import android.support.v4.view.ViewPager;
import android.util.AttributeSet;
import android.view.MotionEvent;
import com.waz.zclient.ui.animation.interpolators.penner.Expo;

import java.lang.reflect.Field;

public class ConversationViewPager extends ViewPager {



    public ConversationViewPager(Context context) {
        super(context);
        postInitViewPager();
    }
    public ConversationViewPager(Context context, AttributeSet attrs) {
        super(context, attrs);
        postInitViewPager();
    }


    private ViewPagerScroller viewPagerScroller = null;

    /**
     * Override the Scroller instance with our own class so we can change the
     * duration
     */
    private void postInitViewPager() {
        try {
            Field scroller = ViewPager.class.getDeclaredField("mScroller");
            scroller.setAccessible(true);
            Field interpolator = ViewPager.class.getDeclaredField("sInterpolator");
            interpolator.setAccessible(true);

            viewPagerScroller = new ViewPagerScroller(getContext(), new Expo.EaseOut());
            scroller.set(this, viewPagerScroller);
        } catch (Exception ignored) {
        }
    }

    /**
     * Set the factor by which the duration will change
     */
    public void setScrollDurationFactor(double scrollFactor) {
        viewPagerScroller.setScrollDurationFactor(scrollFactor);
    }

    @Override
    public boolean onInterceptTouchEvent(MotionEvent ev) {
        if (!isEnabled()) {
            return false;
        }

        return super.onInterceptTouchEvent(ev);
    }

    @Override
    public boolean onTouchEvent(MotionEvent ev) {
        if (!isEnabled()) {
            return false;
        }

        return super.onTouchEvent(ev);
    }
}