[webkit-dev] Add a set of new APIs for the Custom Scheme and Content Handler.

[Soo-Hyun Choi]

On Tue, Nov 29, 2011 at 17:59, Maciej Stachowiak <mjs at apple.com> wrote:
>
> Looks like I was mistaken and misread the spec, so I withdraw this comment.
>
> Do other browsers that implement the register functions also implement the related isRegistered and unregister functions?

Opera dev team has mentioned about it that they did not implemented
yet: <http://my.opera.com/ODIN/blog/2011/11/07/custom-protocol-and-content-handlers>.
However, I would envisage that they would check in the mentioned APIs
soon or later.

Also, by reading the spec and using my general sense, it seems all
right going into the development of those two APIs in order to form a
full functionality. When one can register protocol/content handler,
then he would also like to check it if it's registered, and then later
unregister them.

In short, I don't think it is a bad idea to implement these new APIs
in the WebKit at this right moment.

Soo-Hyun



>
>  - Maciej
>
> On Nov 29, 2011, at 12:08 AM, Maciej Stachowiak wrote:
>
>>
>> On Nov 28, 2011, at 8:54 PM, DongWoo Im wrote:
>>
>>> Hi webkit-dev,
>>>
>>> I would like to let you know that I'm planning to add a set of new APIs for the Custom Scheme and Content Handler.
>>> ** Specification link : http://dev.w3.org/html5/spec/Overview.html#custom-handlers
>>> ** Bugs
>>>    - Custom Scheme Handler :  https://bugs.webkit.org/show_bug.cgi?id=73176
>>>    - Custom Content Handler : https://bugs.webkit.org/show_bug.cgi?id=73177
>>>
>>> Originally, there just defined a kind of set functions, 'registerProtocolHandler' and 'registerContentHandler'.
>>>
>>> In this patch (73176, 73177), two more APIs are added per each handler.
>>> (1) an API if a specific URL has been registered or not: 'isProtocolHandlerRegistered' and 'isContentHandlerRegistered'.
>>> (2) an API to remove a registered URL: 'unregisterProtocolHandler' and 'unregisterContentHandler'.
>>>
>>> I would think these additional APIs could make the Custom Handler more useful.
>>>
>>>
>>> Also, I would like to roll back in the implementation of 'registerContentHandler', which was rolled out earlier.
>>> This API was landed in r50477, but it rolled out in r62834 because the implementation was not completed in any WebKit port.
>>> I will implement this API in the EFL port to support the 'registerContentHandler'.
>>>
>>> It would be appreciated if you let me know how we could roll back in the 'registerContentHandler'.
>>
>> I think you should propose these to the relevant standards group before adding them to WebKit (either WHATWG or HTML WG). They do not seem valuable enough to add as WebKit-only extensions. And other vendors may be against them, for example, on privacy grounds. So we should discuss with the standards group first.
>>
>> Regards,
>> Maciej
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