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Code Issues Releases Wiki Activity

Fixed/improved scroll to top/bottom of expanded message

This commit is contained in:
M66B 2019-08-20 19:33:43 +02:00
parent 3e3d0006bc
commit 77440f7181
1 changed files with 20 additions and 15 deletions
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35
app/src/main/java/eu/faircode/email/FragmentMessages.java
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@ -1028,32 +1028,37 @@ public class FragmentMessages extends FragmentBase implements SharedPreferences.
}
private void scrollToVisibleItem(LinearLayoutManager llm, boolean bottom) {
int pos = llm.findLastVisibleItemPosition();
if (pos == RecyclerView.NO_POSITION)
int first = llm.findFirstVisibleItemPosition();
int last = llm.findLastVisibleItemPosition();
if (first == RecyclerView.NO_POSITION || last == RecyclerView.NO_POSITION)
return;
int pos = (bottom ? last : first);
do {
Long key = adapter.getKeyAtPosition(pos);
if (key != null && iProperties.getValue("expanded", key)) {
int first = llm.findFirstVisibleItemPosition();
View child = rvMessage.getChildAt(pos - (first < 0 ? 0 : first));
View child = llm.findViewByPosition(pos);
if (child != null) {
TranslateAnimation bounce = new TranslateAnimation(
0, 0, Helper.dp2pixels(getContext(), bottom ? -12 : 12), 0);
0, 0, Helper.dp2pixels(getContext(), bottom ? -6 : 6), 0);
bounce.setDuration(getResources().getInteger(android.R.integer.config_shortAnimTime));
child.startAnimation(bounce);
if (bottom)
llm.scrollToPositionWithOffset(pos,
rvMessage.getHeight() - llm.getDecoratedMeasuredHeight(child) + child.getPaddingBottom());
else
llm.scrollToPositionWithOffset(pos, -child.getPaddingTop());
break;
}
if (bottom && child != null)
llm.scrollToPositionWithOffset(pos, rvMessage.getHeight() - llm.getDecoratedMeasuredHeight(child));
else
rvMessage.scrollToPosition(pos);
break;
}
pos--;
} while (pos >= 0);
if (bottom)
pos--;
else
pos++;
} while (pos >= first && pos <= last);
}
private void onSwipeRefresh() {