This makes the "x" in the search bar always visible when there is
text in the search box, even if the mouse is not hovering, hopefully
making for a clearer UI around search and resolving issue #741
The implementation adds the "x.svg" as a background image to the search
box when it is classed with .active, in addition to the
-webkit-search-cancel-button, which is still there for the actual
functionality but only appears on mouse hover (one tiny snag is that
coloring appears slightly different on hover, at least on my screen -
don't know if this is a problem).
I accounted for both ltr and rtl text-direction by using
getComputedStyle(...).direction to detect from the input's dir="auto"
- if there's a more elegant way to do this, please suggest. An ideal
solution would use the :dir pseudo-class but it's not implemented
in Chrome yet - https://developer.mozilla.org/en-US/docs/Web/CSS/:dir
For now, I added the direction-checking to inbox_view.js. I see that
input.search is also used in new_group_update_view.js and
recipient_input_view.js but neither of these views seem to be in use (?)
and they don't set the .active class anyway, so I ignored them.
Update: Amended version a few hours later - fixed and manually tested
color and spacing for iOS and Android Dark themes. Also made some new
SASS variables to make things DRYer and fixed my tab size.
Don't set lastMessage, let it update itself as needed, such as when
first rendering a conversation list item, and when its messages are
sent, received, or destroyed.
There are some cases when we want to initialize a group object without
loading its contacts, such as while processing delivery receipts. We
really only need to load the contacts for a group/convo when we are
rendering it, so let the front end handle those cases (which most of
them do already).
TimestampView's getRelativeTimeSpanString called moment() twice while
calculating the timeout. If there was a minute/hour/day wrap between
these 2 calls, the calculated delay was 0 and thus no timer was
scheduled, since if (this.delay) evaluated to false.
Fixes: #857, #460
// FREEBIE
Usually new elements are inserted in a predictable order relative to the
sort order of the models/collection, but it's not garaunteed. This fixes
up message element insertion to handle the general case where elements
can be added in any order and must be displayed in correct order as
determined by the collection's sort function. In the worst case, we'll
have to iterate over the entire list of elements to find the right spot,
but in practice most of the time we can short circuit based on the index
of the model or by looking for the predecessor or successor of the
element in question.
