Twidere-App-Android-Twitter.../twidere/src/main/kotlin/org/mariotaku/twidere/util/imageloader/PauseRecyclerViewOnScrollLi...

49 lines
1.8 KiB
Kotlin

/*
* Twidere - Twitter client for Android
*
* Copyright (C) 2012-2017 Mariotaku Lee <mariotaku.lee@gmail.com>
*
* 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 org.mariotaku.twidere.util.imageloader
import android.support.v7.widget.RecyclerView
import com.bumptech.glide.RequestManager
class PauseRecyclerViewOnScrollListener(
private val pauseOnScroll: Boolean,
private val pauseOnFling: Boolean,
private val requestManager: RequestManager
) : RecyclerView.OnScrollListener() {
override fun onScrollStateChanged(recyclerView: RecyclerView?, newState: Int) {
when (newState) {
RecyclerView.SCROLL_STATE_IDLE -> {
if (!requestManager.isPaused) return
requestManager.resumeRequests()
}
RecyclerView.SCROLL_STATE_DRAGGING -> if (this.pauseOnScroll) {
if (requestManager.isPaused) return
requestManager.pauseRequests()
}
RecyclerView.SCROLL_STATE_SETTLING -> if (this.pauseOnFling) {
if (requestManager.isPaused) return
requestManager.pauseRequests()
}
}
}
}