After lots of experimenting with Wireshark and
current Chrome + Firefox on Ubuntu 13.10, this is my
current understanding of the caching when preloading images
with AJAX requests:
* on Chrome, the image request always comes from browser cache
* Firefox makes two separate requests by default
* Firefox with img.crossOrigin = 'anonymous' makes two separate
requests, but the second one is a 304 (does not load the
image twice)
* when the image has already been cached by the browser (but not in
this session), Chrome skips both requests; Firefox skips the AJAX
request, but sends the normal one, and it returns with 304.
"wish I knew this when I started" things:
* the Chrome DevTools has an option to disable cache. When this is
enabled, requests in the same document context still come from
cache (so if I load the page, fire an AJAX request, then without
reloading the page, fire an AJAX request to the same URL, then the
second request will be cached), but an AJAX request - image request
pair is an exception from this.
* when using Ctrl-F5 in Firefox, requests on that page will never hit
the cache (even AJAX request fired after user activity; even if
two identical requests follow each other). When using clear cache
+ normal reload, this is not the case.
* if the image does not have an Allow-Origin header and is loaded
with crossOrigin=true, Firefox will refuse to load it. Chrome will
log an error in the console saying it refused to load it, but will
actually load it.
* Wireshark rocks.
Pushed some tech debt (browser + domain whitelist) into other tickets:
https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/232https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/233
Reverted commits:
8a8d74f01d.
63021d0b0e.
Change-Id: I84ab2f3ac0a9706926adf7fe8726ecd9e9f843e0
Bug: 61542
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/207
Since there was no merge conflict and the changeset worked pre-merge, when jenkins merged the fullscreen changeset, it actually turned out to be incompatible with the new code and spews out a nasty JS error. I think from now on I'll always avoid +2ing a diff that hasn't been rebased to the latest. When looking at the diff not rebased to the latest, you just can't see the issues that might happen with the latest code merged and you certainly won't spot the potential breakage that comes with it.
In fact I think a lot of breakages we've encountered as of late were caused by this very issue.
Change-Id: I46b7dd93c55635f34c01bd8d3eee9785140b5f35
fileUsage tests were applying styles to the fixture element, which
apparently does not get cleaned between tests. This was because
fileUsage.$container had different semantics from element.$container
(widget's own container div vs. parent container div). FileUsage
now inherits from Element to make sure behavior is consistent.
Change-Id: I8fab8bcf084d8b7e480655114506d9848e9d9a49
We have had this method in all Repo subclasses for a while, but sadly
it never got used and we've unintentionally crippled foreign DB repos
for some time now.
{{fixed}}
Change-Id: I972eb739cdd56c666981d5fbc371fa53024ff359
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/217
* more robust method of obtaining URL
* decouple performance logging from providers (mostly)
* ignore fake XHR object which jQuery returns for JSONP requests
* guard for CORS requests - apparently Chrome refuses to return
certain information even with an Allow-Origin: * response header.
* Resource Timing is limited to 150 results, which causes fake
misses in debug mode. There is an API to increase the limit
but it is not implemented in Chrome. I am calling it nevertheless,
maybe IE understands it (it is present in the MSDN docs at least).
This seems to work for AJAX, CORS, JSONP, image AJAX; CORS requests
return 0 for a lot of values, per spec a Timing-Allow-Origin: *
header might help that.
Change-Id: I8353858022f51a7e70774e65513d0fa2554a5064
When the lightbox is opened, or prev/next pressed, preloads the
previous/next N images.
Technical debt introduced:
* initialization is a mess, with the viewer and the interface
randomly setting properties on each other in different phases of
execution. That got in the way and I shuffled things around
until they worked, which is obviously not the way to have a
robust system, but hopefully it will get scrapped soon anyway
in favor of a clean top-down dependency injection.
Change-Id: Idcb5c40de1ac0b3e482decd66e56c4de8ec71b6b
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/155
A simple task queue which can be processed or cancelled.
Will be used to handle preloading in a more robust way.
Change-Id: Ib33f9b2d814a35538f9d4f3691fce5ba5cdc82c1
* moves generic logic into ThumbnailSizeCalculator class
* moves UI-specific logic into interface class
* fixes bug where non-bucketed sizes were served on devices with
non-standard pixel density
* fixes bug where bucketed size was compared to css size instead of screen size
for resizing
Change-Id: I8ba3380b74fcc8fb0a6ecc3f3140627411851ad0
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/196
* update paths
* make generate script return failure state on failure
* fix some issues so that it does not actually fail
Change-Id: Idd42e0d8e333c461091079aa1150b1b435e6360c
* userinfo api requests are cached now
* we use jsonp only if we have to (makes gender api calls measurable on WMF wikis)
* all API calls use providers now, provider.Api constructor can be used to
wrap mw.Api with metrics
Does not return a proper model, and gender API calls are not preloaded together
with the rest of the calls. Maybe next time.
Change-Id: I9b3ea73c65eef57e160ac8636d9e45d349150884
This reverts commit 4280dd8b83.
After product discussion, we decided this was a bad idea. Sorry, Tony.
Change-Id: Ib59d75132c2a301f83d080b0f963e2a9d8b9b277
Because we're that cool of a startup apparently
Also because organization and easy code manipulation.
Change-Id: I81ca302b6848f83034f7efed2443757bb045c4f1
Now,The lightbox interface will exit when the user clicks anywhere on
the image backdrop, which is convenient
Bug: 56402
Change-Id: I261976c81b86bf029412dff2993ee7b8c6d347e1
The issue was happening because the metadata div
was placed without waiting for dom load. Also, the code
ignored the fact that the window size might change
between page load and when the lightbox is open.
Change-Id: Ib44720a7f989803b3f59aebcd33e94f610f51325
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/141
The code was incorrectly adding the link to the first section
no matter what. This wasn't caught by the existing assertions,
so these are being improved as well.
Change-Id: I4dcbf44b504bd4cb875b4058fe5604f2a3c871b7
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/44
$.fn.msg breaks on beta for an unknown reason
Switching to mw.message which is used elsewhere in mmv
Change-Id: Id569df019c03b2f11fb513fcd3ed9ffc6eac7e91
Interface code is its own class which does not depend on the main
interface class it can be unit tested (and eventually moved into its
own file to make browsing the code easier). IMO we should aim to
eventually break up the interface into similar classes (with a simple
init/empty/set interface + custom events where it makes sense).
Also, sneak-introducing LESS!
API usage could be more effective (globalusage is a separate API call;
it needn't be), but we will have to rewrite that part soon anyway, so
it should pass for now.
Bug: 60087
Mingle: https://wikimedia.mingle.thoughtworks.com/projects/multimedia/cards/44
Change-Id: Ibe5c323cdeab4a378316925f0c3efb3dc7ef5997
The code to load and set the image was semi-duplicated and
scattered in various places. This was the source of defects
as this code is called asynchronously and was hard to debug.
This change attemps ot consolidate all the image load logic
in one place. It also adds sorely needed unit tests.
Change-Id: I92eb1c48e2ff0808134e56b4b150e22254eb2d6e
When the multimedia panel is closed, the chevron
points upwards, otherwise it points downwards
Pressing the up and down arrows on the keyboard
opens and closes the metadata panel
Change-Id: I7dd31f3cc3d90f9342845faea2c6cfea3b40e232
This sorta has a few other miscellaneous fixes in it, but it works!
There are maybe still funky behaviours left. Test it?
Also refactor some bits, so we aren't accessing mw.mediaViewer in the
interface code.
Change-Id: I69db8e7b4ff5f994ba706fd4965688f3c26859f4
After checking all the code paths (phew !), it seems
this simple change takes care of the resolution issue
that surfaces mainly in iOS devices (see b/60388).
Bug: 60388
Change-Id: I867dd18f782126fb71eb52ec637a2b90b910050d
This is a big change, but should change nothing except the sizes of some
files and where they all are.
There are no more ext.multimediaViewer strings ANYWHERE, so let's keep
it that way. :)
Change-Id: Ic0892f5894700938bfa01f3f9bc8e5ab8276eb72
