@Override
public void onClick(View v) {
final int currentPos = cells.indexOf(formCell);
long prevVirtualTimestamp = -1;
long nextVirtualTimestamp = -1;
if (currentPos != cells.size() - 1) {
// The form position is not the end of the list.
if (currentPos == 0) {
prevVirtualTimestamp = 0;
nextVirtualTimestamp = cells.get(currentPos + 1).getVirtualTimestamp();
} else {
prevVirtualTimestamp = cells.get(currentPos - 1).getVirtualTimestamp();
nextVirtualTimestamp = cells.get(currentPos + 1).getVirtualTimestamp();
}
}
if (prevVirtualTimestamp != -1
&& nextVirtualTimestamp != -1
&& !isSameDate(
Post.virtualTimestampToDate(prevVirtualTimestamp),
Post.virtualTimestampToDate(nextVirtualTimestamp))) {
// Make sure to make a post not to beyond a day.
Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("Asia/Tokyo"));
cal.setTime(Post.virtualTimestampToDate(prevVirtualTimestamp));
cal.set(Calendar.HOUR_OF_DAY, 23);
cal.set(Calendar.MINUTE, 59);
cal.set(Calendar.SECOND, 59);
cal.set(Calendar.MILLISECOND, 999);
nextVirtualTimestamp = Post.dateToVirtualTimestamp(cal.getTime());
}
if (v.getId() == R.id.postButton) {
Intent intent = new Intent(activity, PostTimelineActivity.class);
intent.putExtra(PostTimelineActivity.LECTURE_ID, lectureId);
intent.putExtra(PostTimelineActivity.PREV_VIRTUAL_TS, prevVirtualTimestamp);
intent.putExtra(PostTimelineActivity.NEXT_VIRTUAL_TS, nextVirtualTimestamp);
activity.startActivityForResult(intent, 0);
} else if (v.getId() == R.id.postImageButton) {
Intent intent = new Intent(activity, PostImageActivity.class);
intent.putExtra(PostImageActivity.LECTURE_ID, lectureId);
intent.putExtra(PostImageActivity.PREV_VIRTUAL_TS, prevVirtualTimestamp);
intent.putExtra(PostImageActivity.NEXT_VIRTUAL_TS, nextVirtualTimestamp);
activity.startActivityForResult(intent, 0);
}
}
@Override
public void onUpdate(SortedSet<Post> posts) {
synchronized (cells) {
boolean formCellAdded = false;
long beforeFormCellId = Long.MAX_VALUE;
if (!cells.get(cells.size() - 1).equals(formCell)) {
final int currentPos = cells.indexOf(formCell);
beforeFormCellId = cells.get(currentPos - 1).getItemId();
}
cells.clear();
Date prevDate = null;
Date lastSeparatorDate = null;
ListCell prevCell = null;
for (Post post : posts) {
Date currentDate = Post.virtualTimestampToDate(post.getVirtualTimestamp());
if (prevDate == null || !isSameDate(prevDate, currentDate)) {
lastSeparatorDate = currentDate;
prevCell = new DateSeparatorCell(currentDate);
cells.add(prevCell);
if (!formCellAdded && prevCell.getItemId() == beforeFormCellId) {
cells.add(formCell);
formCellAdded = true;
}
}
prevDate = currentDate;
prevCell = new PostCell(post);
cells.add(prevCell);
if (!formCellAdded && prevCell.getItemId() == beforeFormCellId) {
cells.add(formCell);
formCellAdded = true;
}
}
if (lastSeparatorDate == null || !isSameDate(lastSeparatorDate, new Date())) {
cells.add(new DateSeparatorCell(new Date()));
}
if (!formCellAdded) {
cells.add(formCell);
}
observable.notifyChanged();
}
}