private boolean slideToSpecifiedPositionInternal(
final RecyclerView.ViewHolder holder,
float amount,
boolean proportional,
boolean horizontal,
boolean shouldAnimate,
Interpolator interpolator,
long duration,
SwipeFinishInfo swipeFinish) {
final View containerView = ((SwipeableItemViewHolder) holder).getSwipeableContainerView();
if (shouldAnimate) {
shouldAnimate =
ViewCompat.isAttachedToWindow(containerView)
&& (containerView.getVisibility() == View.VISIBLE);
}
duration = (shouldAnimate) ? duration : 0;
if (amount != 0.0f) {
final int width = containerView.getWidth();
final int height = containerView.getHeight();
if (horizontal && (proportional || width != 0)) {
final int translationX;
translationX = (int) ((proportional ? width * amount : amount) + 0.5f);
return animateSlideInternalCompat(
holder, horizontal, translationX, 0, duration, interpolator, swipeFinish);
} else if (!horizontal && (proportional || height != 0)) {
final int translationY;
translationY = (int) ((proportional ? height * amount : amount) + 0.5f);
return animateSlideInternalCompat(
holder, horizontal, 0, translationY, duration, interpolator, swipeFinish);
} else {
if (swipeFinish != null) {
throw new IllegalStateException(
"Unexpected state in slideToSpecifiedPositionInternal (swipeFinish == null)");
}
scheduleViewHolderDeferredSlideProcess(
holder, new DeferredSlideProcess(holder, amount, horizontal));
return false;
}
} else {
return animateSlideInternalCompat(
holder, horizontal, 0, 0, duration, interpolator, swipeFinish);
}
}
private boolean slideToOutsideOfWindowInternal(
RecyclerView.ViewHolder holder,
int dir,
boolean shouldAnimate,
long duration,
SwipeFinishInfo swipeFinish) {
if (!(holder instanceof SwipeableItemViewHolder)) {
return false;
}
final View containerView = ((SwipeableItemViewHolder) holder).getSwipeableContainerView();
final ViewGroup parent = (ViewGroup) containerView.getParent();
if (parent == null) {
return false;
}
final int left = containerView.getLeft();
final int right = containerView.getRight();
final int top = containerView.getTop();
final int bottom = containerView.getBottom();
final int width = right - left;
final int height = bottom - top;
parent.getWindowVisibleDisplayFrame(mTmpRect);
final int windowWidth = mTmpRect.width();
final int windowHeight = mTmpRect.height();
int translateX = 0;
int translateY = 0;
if ((width == 0) || (height == 0)) {
// not measured yet or not shown
switch (dir) {
case DIR_LEFT:
translateX = -windowWidth;
break;
case DIR_UP:
translateY = -windowHeight;
break;
case DIR_RIGHT:
translateX = windowWidth;
break;
case DIR_DOWN:
translateY = windowHeight;
break;
default:
break;
}
shouldAnimate = false;
} else {
parent.getLocationInWindow(mTmpLocation);
final int x = mTmpLocation[0];
final int y = mTmpLocation[1];
switch (dir) {
case DIR_LEFT:
translateX = -(x + width);
break;
case DIR_UP:
translateY = -(y + height);
break;
case DIR_RIGHT:
translateX = windowWidth - (x - left);
break;
case DIR_DOWN:
translateY = windowHeight - (y - top);
break;
default:
break;
}
}
if (shouldAnimate) {
shouldAnimate =
ViewCompat.isAttachedToWindow(containerView)
&& (containerView.getVisibility() == View.VISIBLE);
}
duration = (shouldAnimate) ? duration : 0;
boolean horizontal = (dir == DIR_LEFT || dir == DIR_RIGHT);
return animateSlideInternalCompat(
holder,
horizontal,
translateX,
translateY,
duration,
mSlideToOutsideOfWindowAnimationInterpolator,
swipeFinish);
}