private void scrollInternal(
float distanceY,
float distanceYconsumed,
int[] offsetInWindow,
boolean argNotifyAboutScrolling) {
Log.v(TAG, "scrollInternal called");
if (mTopPlayer == null) {
mTopPlayer = (TopPlayer) findViewById(R.id.top_player);
}
if (mRecyclerView == null) {
mRecyclerView = (RecyclerView) findViewById(R.id.my_recycler_view);
}
int[] consumed = new int[2];
consumed[1] = (int) distanceYconsumed;
if (argNotifyAboutScrolling) startNestedScroll(ViewCompat.SCROLL_AXIS_VERTICAL);
// int[] offsetInWindow = new int[2];
if (argNotifyAboutScrolling)
dispatchNestedPreScroll(0, (int) distanceY, consumed, offsetInWindow);
int consumedY = consumed[1];
int unconsumedY =
(int) (distanceY); // int unconsumedY = (int)(distanceY-consumedY-offsetInWindow[1]);
if (argNotifyAboutScrolling) dispatchNestedScroll(0, consumedY, 0, unconsumedY, offsetInWindow);
if (mTopPlayer == null || mRecyclerView == null || mTopPlayer.isFullscreen()) {
return;
}
if (distanceY < 0) {
if (mRecyclerView.canScrollVertically(DOWN)) {
// it cannot be larger, scroll recyclerview
Log.v(TAG, "scroll.run, mRecyclerView1");
mRecyclerView.scrollBy(0, (int) distanceY);
} else {
Log.v(TAG, "scroll.run, mTopPlayer2");
// mTopPlayer.scrollExternal(distanceY, false);
mTopPlayer.scrollBy(distanceY);
}
} else {
if (mTopPlayer.isMinimumSize()) {
Log.v(TAG, "scroll.run, mRecyclerView2");
mRecyclerView.scrollBy(0, (int) distanceY);
} else {
int canscrollup = canScrollUp(mRecyclerView);
if (canscrollup > 0) {
Log.v(TAG, "scroll.run, mTopPlayer1 diffY: " + distanceY + " canscroll: " + canscrollup);
distanceY = distanceY < canscrollup ? distanceY : canscrollup;
// mTopPlayer.scrollExternal(distanceY, false);
mTopPlayer.scrollBy(distanceY);
}
}
}
}
void handleDragScroll(RecyclerView rv, DragInfo dragInfo) {
if (rv.getLayoutManager().canScrollHorizontally()) {
if (rv.canScrollHorizontally(-1) && dragInfo.shouldScrollLeft()) {
rv.scrollBy(-SCROLL_AMOUNT, 0);
dragManager.clearNextMove();
} else if (rv.canScrollHorizontally(1) && dragInfo.shouldScrollRight(rv.getWidth())) {
rv.scrollBy(SCROLL_AMOUNT, 0);
dragManager.clearNextMove();
}
} else if (rv.getLayoutManager().canScrollVertically()) {
if (rv.canScrollVertically(-1) && dragInfo.shouldScrollUp()) {
rv.scrollBy(0, -SCROLL_AMOUNT);
dragManager.clearNextMove();
} else if (rv.canScrollVertically(1) && dragInfo.shouldScrollDown(rv.getHeight())) {
rv.scrollBy(0, SCROLL_AMOUNT);
dragManager.clearNextMove();
}
}
}
@Override
public boolean canScrollVertically(int direction) {
return mRecyclerView != null && mRecyclerView.canScrollVertically(direction);
}