[whatwg] Dynamic pseudo-classes on video/audio element to allow styling of controls

[Silvia Pfeiffer]

A markup and CSS example would make things clearer. How do you think
it would look?
Silvia.


On Sun, Apr 24, 2011 at 9:40 AM, Dimitri Glazkov <dglazkov at chromium.org> wrote:
> On Sat, Apr 23, 2011 at 1:57 PM, Philip Jägenstedt <philipj at opera.com> wrote:
>> On Sat, 23 Apr 2011 21:32:06 +0200, Dimitri Glazkov <dglazkov at chromium.org>
>> wrote:
>>
>>> On Sat, Apr 23, 2011 at 11:37 AM, Philip Jägenstedt <philipj at opera.com>
>>> wrote:
>>>>
>>>> On Sat, 23 Apr 2011 17:02:56 +0200, Dimitri Glazkov
>>>> <dglazkov at chromium.org>
>>>> wrote:
>>>>
>>>>> On Sat, Apr 23, 2011 at 2:57 AM, Philip Jägenstedt <philipj at opera.com>
>>>>> wrote:
>>>>>>
>>>>>> On Sat, 23 Apr 2011 05:25:20 +0200, Dimitri Glazkov
>>>>>> <dglazkov at chromium.org>
>>>>>> wrote:
>>>>>>
>>>>>>> I wonder if it makes sense to introduce a set of pseudo-classes on the
>>>>>>> video/audio elements, each reflecting a state of the media on the
>>>>>>> controls (playing/paused/error/etc.)? Then, we could use just CSS to
>>>>>>> style media controls (whether native or custom), and not have to
>>>>>>> listen to DOM events just to tweak their appearance.
>>>>>>
>>>>>> With a sufficiently large set of pseudo-classes it might be possible to
>>>>>> do
>>>>>> *display* most of the interesting state, but how would you *change* the
>>>>>> state without using scripts? Play/pause, seek, volume, etc...
>>>>>
>>>>> This is not the goal of using pseudo-classes: they just provide you
>>>>> with a uniform way to react to changes.
>>>>
>>>> In other words, one would still have to rely heavily on scripts to
>>>> actually
>>>> implement custom controls?
>>>
>>> Heavily is subjective. But yep :)
>>>
>>>>
>>>> Also, how would one style a progress bar using pseudo-classes? How about
>>>> a
>>>> displaying elapsed/remaining time on the form MM:SS?
>>>
>>> I am not in any way trying to invent a magical way to style media
>>> controls entirely in CSS. Just trying to make the job of controls
>>> developers easier and use CSS where it's well... useful? :)
>>
>> Very well, what specific set pseudo-classes do you think would be useful?
>
> I can infer what would be useful from WebKit's media controls as a first stab?
>
> :DG<
>
>>
>> --
>> Philip Jägenstedt
>> Core Developer
>> Opera Software
>>
>