Android Open Source - MaterialManager Pause On Scroll Listener

• Back to Development/file  ↑

From Project

Back to project page MaterialManager.

License

The source code is released under:

There is no license, someone decided to pretty much republish Cabinet with no credit so I?m taking away the license altogether.

Java Source Code

package com.afollestad.cabinet.utils;
//  w w  w  .  ja va 2  s  .com
import android.support.v7.widget.RecyclerView;
import android.widget.AbsListView;

import com.nostra13.universalimageloader.core.ImageLoader;

public class PauseOnScrollListener extends RecyclerView.OnScrollListener {

    private ImageLoader imageLoader;

    private final boolean pauseOnScroll;
    private final boolean pauseOnFling;
    private final RecyclerView.OnScrollListener externalListener;

    /**
     * Constructor
     *
     * @param imageLoader   {@linkplain ImageLoader} instance for controlling
     * @param pauseOnScroll Whether {@linkplain ImageLoader#pause() pause ImageLoader} during touch scrolling
     * @param pauseOnFling  Whether {@linkplain ImageLoader#pause() pause ImageLoader} during fling
     */
    public PauseOnScrollListener(ImageLoader imageLoader, boolean pauseOnScroll, boolean pauseOnFling) {
        this(imageLoader, pauseOnScroll, pauseOnFling, null);
    }

    /**
     * Constructor
     *
     * @param imageLoader    {@linkplain ImageLoader} instance for controlling
     * @param pauseOnScroll  Whether {@linkplain ImageLoader#pause() pause ImageLoader} during touch scrolling
     * @param pauseOnFling   Whether {@linkplain ImageLoader#pause() pause ImageLoader} during fling
     * @param customListener Your custom {@link android.widget.AbsListView.OnScrollListener} for {@linkplain AbsListView list view} which also
     *                       will be get scroll events
     */
    public PauseOnScrollListener(ImageLoader imageLoader, boolean pauseOnScroll, boolean pauseOnFling,
                                 RecyclerView.OnScrollListener customListener) {
        this.imageLoader = imageLoader;
        this.pauseOnScroll = pauseOnScroll;
        this.pauseOnFling = pauseOnFling;
        externalListener = customListener;
    }

    @Override
    public void onScrollStateChanged(RecyclerView view, int scrollState) {
        switch (scrollState) {
            default:
                throw new RuntimeException("Unknown scroll state: " + scrollState);
            case AbsListView.OnScrollListener.SCROLL_STATE_IDLE:
                imageLoader.resume();
                break;
            case AbsListView.OnScrollListener.SCROLL_STATE_TOUCH_SCROLL:
                if (pauseOnScroll) {
                    imageLoader.pause();
                }
                break;
            case AbsListView.OnScrollListener.SCROLL_STATE_FLING:
                if (pauseOnFling) {
                    imageLoader.pause();
                }
                break;
        }
        if (externalListener != null) {
            externalListener.onScrollStateChanged(view, scrollState);
        }
    }

    @Override
    public void onScrolled(RecyclerView view, int dx, int dy) {
        if (externalListener != null) {
            externalListener.onScrolled(view, dx, dy);
        }
    }
}

Java Source Code List

• Back to Development/file  ↑