@SuppressLint("NewApi")
private boolean IndicatorTouchEvent(final MotionEvent event) {
switch (event.getActionMasked()) {
case MotionEvent.ACTION_DOWN:
if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
// mScrollIndicator.findViewById(ID_PIN).setVisibility(View.VISIBLE);
// mScrollIndicatorText.setVisibility(View.VISIBLE);
toggleVisibilityCompat(false);
} else mScrollIndicator.startAnimation(mFadeIn);
mScrollIndicator.setPadding(0, 0, getWidth(), 0);
scroll(event.getY());
mScrolling = true;
return true;
case MotionEvent.ACTION_MOVE:
scroll(event.getY());
return true;
case MotionEvent.ACTION_UP:
if (mType == TYPE_INDICATOR_WITH_HANDLE || mType == TYPE_POPUP_WITH_HANDLE)
mHandlebar.setSelected(false);
if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
mScrolling = false;
toggleVisibilityCompat(true);
} else mScrollIndicator.startAnimation(mFadeOut);
return true;
default:
break;
}
return false;
}
@SuppressLint("NewApi")
private void scroll(final float height) {
if (mType == TYPE_INDICATOR || mType == TYPE_INDICATOR_WITH_HANDLE) {
float move = height - (mScrollIndicator.getHeight() / 2);
if (move < 0) move = 0;
else if (move > getHeight() - mScrollIndicator.getHeight())
move = getHeight() - mScrollIndicator.getHeight();
if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB)
mScrollIndicator.startAnimation(moveCompat(move));
else mScrollIndicator.setTranslationY(move);
}
if (mType == TYPE_INDICATOR_WITH_HANDLE || mType == TYPE_POPUP_WITH_HANDLE) {
mHandlebar.setSelected(true);
moveHandlebar(height - (mHandlebar.getHeight() / 2));
}
int postition = (int) ((height / getHeight()) * mItemCount);
if (mList instanceof ExpandableListView) {
final int grouppos =
ExpandableListView.getPackedPositionGroup(
((ExpandableListView) mList).getExpandableListPosition(postition));
if (grouppos != -1) mGroupPosition = grouppos;
}
if (postition < 0) postition = 0;
else if (postition >= mItemCount) postition = mItemCount - 1;
mScrollIndicatorText.setText(mScrollable.getIndicatorForPosition(postition, mGroupPosition));
mList.setSelection(mScrollable.getScrollPosition(postition, mGroupPosition));
}
private void toggleVisibilityCompat(final boolean visible) {
if (mScrollIndicatorText != null) {
mScrollIndicatorText.startAnimation(visible ? mFadeOut : mFadeIn);
}
if (mScrollIndicator != null) {
mScrollIndicator.startAnimation(visible ? mFadeOut : mFadeIn);
}
}
private void hideIndicatorCompat() {
if (mScrollIndicatorText != null) {
mScrollIndicatorText.setVisibility(View.INVISIBLE);
mScrollIndicatorText.startAnimation(mFadeOut);
}
if (mScrollIndicator != null) {
mScrollIndicator.findViewById(ID_PIN).setVisibility(View.INVISIBLE);
mScrollIndicator.startAnimation(mFadeOut);
}
}
@Override
public boolean onTouchEvent(MotionEvent event) {
if (mList.getAdapter() == null) return false;
mItemCount = mList.getAdapter().getCount();
if (mItemCount == 0) return false;
if (event.getActionMasked() == MotionEvent.ACTION_CANCEL) {
if (mType == TYPE_POPUP || mType == TYPE_POPUP_WITH_HANDLE) {
if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
mScrolling = false;
mScrollIndicatorText.setVisibility(View.GONE);
} else mScrollIndicatorText.startAnimation(mFadeOut);
} else {
if (mType == TYPE_INDICATOR_WITH_HANDLE || mType == TYPE_POPUP_WITH_HANDLE)
mHandlebar.setSelected(false);
if (android.os.Build.VERSION.SDK_INT < Build.VERSION_CODES.HONEYCOMB) {
mScrolling = false;
toggleVisibilityCompat(true);
} else mScrollIndicator.startAnimation(mFadeOut);
}
}
switch (mType) {
case TYPE_POPUP:
return PopupTouchEvent(event);
case TYPE_POPUP_WITH_HANDLE:
return PopupTouchEvent(event);
case TYPE_INDICATOR:
return IndicatorTouchEvent(event);
case TYPE_INDICATOR_WITH_HANDLE:
return IndicatorTouchEvent(event);
default:
break;
}
return false;
}
