Commit Graph

19 Commits

Author SHA1 Message Date
Ryan Rehman c7e39ef090 narrow: Move the top of narrow notices to `message_scroll.js`.
We refactor these 2 notices to match with the loading indicators,
thus they have been moved to `message_scroll.js`.

After a successful message fetch, we have logic to decide whether
we want to display the notices and also whether we want to hide
the loading indicators (which are already displayed).

We also conservatively hide the notices similar to the indicators
every time we narrow.
The only exception is that we show the history limit notice on
deactivating the narrow (visiting `home_msg_list`).
2020-06-16 00:21:21 -07:00
Ryan Rehman a630f291b9 message view: Refactor top loading indicators.
This commit makes the `loading_older_messages_indicator` similar
to the `loading_newer_messages_indicator`.
Now all the decisions about whether to show a loading indicator
will be made from the `fetch_status` API. We still hide the
indicators everytime the view is changed, as explained in the
previous commit.
2020-06-15 22:26:35 -07:00
Ryan Rehman e0b1fdb81c message view: Show home view bottom loading indicators.
As explained in 67053ff479,
multiple message fetches may be taking place at the same time.
So some other narrows / the home message list's indicator might
get shown for the current narrow.

This commit moves the updation of the indicators display logic
to the `fetch_status` API.
Now the `loading_newer_messages_indicator` gets displayed along
with the `loading_newer` = true updation for that narrow's message
list, i.e. just before we send the API request. But only if the
message list we are fetching matches with our current message list.

The same indicator is hidden similarly, along with the
`loading_older` = false updation for that narrow's message list,
i.e. just after the success response is recieved. But only if
the message list whose data we recieved  matches with our current
message list.

Also the indicators are hidden everytime we activate narrow
or deactivate narrow (`home_msg_list`). And on entering
`narrow.activate` we fetch for it's messages so they get
displayed again, if need be.
This is the reason `message_scroll.hide_indicators();` was
moved to a location above `fetch_messages`.

Fixes #15374.
2020-06-15 22:25:41 -07:00
Ryan Rehman 77a26d41ae message view: Show indicator while fetching new messages.
We already have a loading indicator for fetching older
messages. Thus it makes sense to implement the same
for displaying newer messages.

We set the display of `bottom-messages-logo` to none,
to prevent displaying two loading indicators during
the initial message load.

Fixes #15060.
2020-05-26 15:21:42 -07:00
Ryan Rehman 9c733b42df minor: Rename loading_more_messages_indicator.
`loading_more_messages_indicator` is renamed to
`loading_older_messages_indicator`.

This is a prep commit to introduce
`loading_newer_messages_indicator`.
2020-05-26 15:21:42 -07:00
Anders Kaseorg 28f3dfa284 js: Automatically convert var to let and const in most files.
This commit was originally automatically generated using `tools/lint
--only=eslint --fix`.  It was then modified by tabbott to contain only
changes to a set of files that are unlikely to result in significant
merge conflicts with any open pull request, excluding about 20 files.
His plan is to merge the remaining changes with more precise care,
potentially involving merging parts of conflicting pull requests
before running the `eslint --fix` operation.

Signed-off-by: Anders Kaseorg <anders@zulipchat.com>
2019-11-03 12:42:39 -08:00
Anders Kaseorg d17b577d0c js: Purge useless IIFEs.
With webpack, variables declared in each file are already file-local
(Global variables need to be explicitly exported), so these IIFEs are
no longer needed.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
2019-10-25 13:51:21 -07:00
Anders Kaseorg 8472292906 pointer.js: Add setter for suppress_scroll_pointer_update.
After migration to an ES6 module, `suppress_scroll_pointer_update`
would no longer be mutable from outside the module.

Signed-off-by: Anders Kaseorg <andersk@mit.edu>
2019-07-08 21:22:54 -07:00
Armaan Ahluwalia 6d255efe4c app: Prepare JS files for consumption by webpack.
This commit prepares the frontend code to be consumed by webpack.

It is a hack: In theory, modules should be declaring and importing the
modules they depend on and the globals they expose directly.

However, that requires significant per-module work, which we don't
really want to block moving our toolchain to webpack on.

So we expose the modules by setting window.varName = varName; as
needed in the js files.
2018-07-05 10:53:36 +02:00
Shubham Dhama c6738889a9 eslint: Add and enable `space-unary-ops` rule.
Info about rule at https://eslint.org/docs/rules/space-unary-ops.
2018-06-05 00:47:35 +05:30
Aman Ghebreweldi a781b89ec2 third: Use Underscore throttle function instead of jQuery.
Since we already have _.js and it has this feature, there's no need
for a separate library.
2018-05-16 11:56:49 -07:00
Tim Abbott 7ab8a8e820 js: Fix a bunch of indentation issues found by eslint.
This is preparation for enabling an eslint indentation configuration.
90% of these changes are just fixes for indentation errors that have
snuck into the codebase over the years; the others are more
significant reformatting to make eslint happy (that are not otherwise
actually improvements).

The one area that we do not attempt to work on here is the
"switch/case" indentation.
2018-05-06 16:25:02 -07:00
Steve Howell 084ef0bea9 Fetch new messages when you scroll forward in narrows.
Note from tabbott: This is a somewhat surprising feature to be adding
this late in Zulip's development, but the model we've had of what
narrows are easy to access via clicking around has meant that it was
fairly difficult to get into a narrow that didn't include the very
latest messages in that narrow.

Fixes #3465.
2018-03-28 09:12:59 -07:00
Steve Howell 1e446fcb1a refactor: Call message_scroll.hide_indicators() directly.
We are going to remove message_fetch.reset_for_narrow() soon,
but its callers probably still want to hide any scrolling
indicators, and we just let them do that directly.
2018-03-09 14:20:58 -08:00
Steve Howell 7bbdf79b78 Rename functions to show_loading_older/hide_loading_older. 2018-03-09 11:04:29 -08:00
Steve Howell ae84908eca Rename load_more_messages to maybe_load_older_messages.
We will soon have maybe_load_newer_messages as well.
2018-03-09 11:04:29 -08:00
Steve Howell 571773564f minor: Use message_viewport.at_top() in scroll_finished.
This effectively changes a condition from `=== 0` to `<= 0`,
but that probably doesn't matter (and would only help).  More
importantly, it just makes the code more consistent.
2018-03-08 15:03:47 -08:00
Steve Howell b8f39b2ff1 refactor: Early-exit in message_scroll.scroll_finished.
This is just cosmetic to flatten the function a bit.
2018-03-08 15:03:47 -08:00
Steve Howell 8063f73f6d Extract message_scroll.js.
This mostly moves code from ui.js.

We change the arguments to `message_fetch.load_more_messages()`
to be `opts` with callbacks for `show_loading` and `hide_loading`.

We also defer starting the scroll handler until `message_fetch.js`
has been initialized.
2018-03-08 15:03:47 -08:00