In between releases, the following commit introduced
a bug where we agressively scroll to the top every
place we call `ui.update_scrollbar`:
092b73d0b7
The main symptoms were that the left and right sidebars
would go to the top for things like selecting a topic,
getting activity updates from the server, and resizing
the window. It was very jarring.
The recent commit looked innocuous--the root of the problem
was the original API expressed an intent to scroll to the
top, but didn't actually do it, so it was a bug in hiding.
There are **some** occasions where it's actually appropriate
to scroll to the top, mostly around search filtering, and
in those places we now call the new `ui.reset_scrollbar`
function.
This is a bit of an emergency fix, so particularly with
the settings stuff, we may get more reports of glitches here.
The important thing here is that you almost never want to
reset the scrollTop for sidebars.
This seems like a small change (apart from all the
test changes), but it fundamentally changes how
the app finds "topic" on message objects. Now
all code that used to set "subject" now sets "topic"
on message-like objects. We convert incoming messages
to have topic, and we write to "topic" all the way up
to hitting the server (which now accepts "topic" on
incoming endpoints).
We fall back to subject as needed, but the code will
emit a warning that should be heeded--the "subject"
field is prone to becoming stale for things like
topic changes.
We recently added a feature to warn users that they
may need to scroll down to view messages that they
just sent, but it was broken due to various complexities
in the rendering code path.
Now we compute it a bit more rigorously.
It requires us to pass some info about rendering up
and down the stack, which is why it's kind of a long
commit, but the bulk of the logic is in these JS files:
* message_list_view.js
* notifications.js
I choose to pass structs around instead of booleans,
because I anticipate we may eventually add more metadata
about rendering to it, plus bools are just kinda brittle.
(The exceptions are that `_maybe_autoscroll`, which
is at the bottom of the stack, just passes back a simple
boolean, and `notify_local_mixes`, also at the bottom
of the stack, just accepts a simple boolean.)
This errs on the side of warning the user, even if the
new message is partially visible.
Fixes#11138
We now have two functions:
add_new_messages
add_old_messages
This is a lot easier on the eyes, and it will also
prevent us from exceeding line length in future commits.
We also remove an unneeded stub in the narrow_activate
tests.
This commit makes it a bit more explicit about
why we're updating 2 or 3 message lists every time.
It looks funny now to repeat the home-list updates
in both sides of the conditional, but this will be
more obvious in a subsequent commit, where we want
to capture return values from rendering.
In a recent commit we allowed for `scroll_amount`
to be zero (as an indirect consequence of letting
`scroll_limit` be zero without early exiting).
See 0f75be3e8e
We want to short circuit the call to
`system_initiated_animate_scroll`, partly to save
unnecessary computation, but in particular to avoid
invoking the suppress-pointer-update logic.
It's convenient to have visible_bottom as well
as top/height, and the extra computation is
trivial (it's just arithmetic, no extra jQuery
involved).
There's some minor cleanup here too.
This adds a proper template for the /digest page, making it a
reasonable way to view the digest email content for development and
debugging.
Fixes: #11016.
Guest users can not add subscribers to subscribed or unsubscribed
streams. Therefore hide add-subs html element if current user
is guest user.
Tweaked by tabbott to use the early-return pattern.
Add explanation in popover on disabled add-subscriptions input elements,
admin can't add subscribers to non subscribed private streams, only
subscribed users can.
Fixes#10593
There's a subtle change here in how we handle the
hypothetical case that the selected message is above
the top of the feed. Instead of early-exiting
from _maybe_autoscroll(), we just treat the limit
as zero, which will have the same effect.
We also change a var name be just `scroll_limit`
instead of `available_space_for_scroll`. A longer
name would be valuable if it were somehow more
specific, but it was needlessly verbose.
The idea is to use this field for storing the best matching alias
to be displayed in search results. In subsequent commits I will
replace the search and rendering logic to use this field instead
of creating new objects on each search.
Since we have already added the `invite_as` field to models, we can now
replace usage of `invite_as_admin` properly with its equivalent `invite_as
== PreregistrationUser.INVITE_AS['REALM_ADMIN']`.
Hence, also removed now redundant `invite_as`.
This couples the behavior of Enter to Save with Enter to Send.
Extracts and exports functions responsible for checking if enter
does send/edit and handling default behavior otherwise.
Changes made in static/js/message_edit.js and
static/js/composebox_typeahead.js
Fixes#10320.
This adds two functions to static/js/composebox_typeahead.js.
should_enter_send(event) checks if enter should actually send.
handle_enter(textarea,event) emulates browser's default behavior
if enter doesn't send.
These two are just straight extractions of portions of the compose box
logic.
It's a bit dangerous for the user to hit escape
to close the feedback widget, since it can
disappear suddenly, but users will try it, and
we should just close the widget.
(Hitting escape should be a noop if the box
is closed, but now it goes to "All Messages".)
We only need these once, not during every show()
call. We actually were only setting up the
click handlers one time, but we had redundant
mouse handlers.
More importantly, we stop a runaway timer
that tries to fade out our feedback widget
every 100ms or ten times per second!
A few things are still hard coded, but the class exposes
show() and dismiss() now.
The show() method is configured with callbacks for
populate() and on_undo().
We calculate a few values higher up in the function.
This reduces a bit of code duplication and removes
a somewhat janky expression that happens against
a mutated list.