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Fixed issue where we'd incorrectly show input shadow.

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We might have also scrolled with typing indicators when we shouldn't of.

All came down to #isAtBottom() being calculated incorrectly.
This commit is contained in:
Greyson Parrelli 2019-01-24 03:06:39 -08:00
parent 13ffba1c99
commit 25e82ff5e4
1 changed files with 20 additions and 18 deletions
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38
src/org/thoughtcrime/securesms/ConversationFragment.java
View File

@ -292,7 +292,7 @@ public class ConversationFragment extends Fragment
}
if (recipients.size() > 0) {
if (adapter.getHeaderView() == null && getListLayoutManager().findFirstCompletelyVisibleItemPosition() == 0) {
if (adapter.getHeaderView() == null && isAtBottom()) {
list.setVerticalScrollBarEnabled(false);
list.post(() -> getListLayoutManager().smoothScrollToPosition(requireContext(), 0, 250));
list.postDelayed(() -> list.setVerticalScrollBarEnabled(true), 300);
@ -405,7 +405,7 @@ public class ConversationFragment extends Fragment
}
public void scrollToBottom() {
if (((LinearLayoutManager) list.getLayoutManager()).findFirstVisibleItemPosition() < SCROLL_ANIMATION_THRESHOLD) {
if (getListLayoutManager().findFirstVisibleItemPosition() < SCROLL_ANIMATION_THRESHOLD) {
list.smoothScrollToPosition(0);
} else {
list.scrollToPosition(0);
@ -644,13 +644,13 @@ public class ConversationFragment extends Fragment
}
firstLoad = false;
} else if (previousOffset > 0) {
int scrollPosition = previousOffset + ((LinearLayoutManager) list.getLayoutManager()).findFirstVisibleItemPosition();
int scrollPosition = previousOffset + getListLayoutManager().findFirstVisibleItemPosition();
scrollPosition = Math.min(scrollPosition, count - 1);
View firstView = list.getLayoutManager().getChildAt(scrollPosition);
int pixelOffset = (firstView == null) ? 0 : (firstView.getBottom() - list.getPaddingBottom());
((LinearLayoutManager) list.getLayoutManager()).scrollToPositionWithOffset(scrollPosition, pixelOffset);
getListLayoutManager().scrollToPositionWithOffset(scrollPosition, pixelOffset);
previousOffset = 0;
}
@ -711,10 +711,23 @@ public class ConversationFragment extends Fragment
private void scrollToLastSeenPosition(final int lastSeenPosition) {
if (lastSeenPosition > 0) {
list.post(() -> ((LinearLayoutManager)list.getLayoutManager()).scrollToPositionWithOffset(lastSeenPosition, list.getHeight()));
list.post(() -> getListLayoutManager().scrollToPositionWithOffset(lastSeenPosition, list.getHeight()));
}
}
private boolean isAtBottom() {
if (list.getChildCount() == 0) return true;
int firstVisiblePosition = getListLayoutManager().findFirstVisibleItemPosition();
if (getListAdapter().getHeaderView() == typingView) {
RecyclerView.ViewHolder item1 = list.findViewHolderForAdapterPosition(1);
return firstVisiblePosition <= 1 && item1 != null && item1.itemView.getBottom() <= list.getHeight();
}
return firstVisiblePosition == 0 && list.getChildAt(0).getBottom() <= list.getHeight();
}
public interface ConversationFragmentListener {
void setThreadId(long threadId);
void handleReplyMessage(MessageRecord messageRecord);
@ -774,23 +787,12 @@ public class ConversationFragment extends Fragment
}
}
private boolean isAtBottom() {
if (list.getChildCount() == 0) return true;
int firstCompletelyVisiblePosition = ((LinearLayoutManager) list.getLayoutManager()).findFirstCompletelyVisibleItemPosition();
if (getListAdapter().getHeaderView() == typingView) {
return firstCompletelyVisiblePosition <= 1;
}
return firstCompletelyVisiblePosition == 0;
}
private boolean isAtZoomScrollHeight() {
return ((LinearLayoutManager) list.getLayoutManager()).findFirstCompletelyVisibleItemPosition() > 4;
return getListLayoutManager().findFirstCompletelyVisibleItemPosition() > 4;
}
private int getHeaderPositionId() {
return ((LinearLayoutManager)list.getLayoutManager()).findLastVisibleItemPosition();
return getListLayoutManager().findLastVisibleItemPosition();
}
private void bindScrollHeader(HeaderViewHolder headerViewHolder, int positionId) {