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Re: Making RTCSessionDescription and RTCIceCandidate much more flexible

From: Martin Thomson <martin.thomson@gmail.com>
Date: Tue, 31 Jul 2012 08:14:21 -0700
Message-ID: <CABkgnnUCndazkp-TgTUNqcAums=NZVHRsXACB-_3DciCxbDhrQ@mail.gmail.com>
To: Tommy Widenflycht (ᛏᚮᛘᛘᚤ) <tommyw@google.com>
Cc: public-webrtc@w3.org
I am told on good authority that JSON.stringify(<some interface>)
doesn't do what you expected without a stringifier.

On 31 July 2012 02:42, Tommy Widenflycht (ᛏᚮᛘᛘᚤ) <tommyw@google.com> wrote:
> Hello list members,
>
> Today I would like to propose a small change to RTCSessionDescription and
> RTCIceCandidate which would make the much more flexible:
>
> [Constructor(optional Dictionary description)]
> interface RTCSessionDescription {
>              attribute RTCSdpType type;
>              attribute DOMString  sdp;
> };
>
> In short the single constructor takes an Dictionary which is expected to
> mimic its members, and the stringifier method is removed.
>
>
> This has the advantages of being extremely powerful:
>
> sd = new RTCSessionDescription();
> sd.sdp = ...;
> sd.type = ...;
>
> sd = new RTCSessionDescription({sdp:"..."});
> sd.type = ...;
>
> sd = new RTCSessionDescription({type:"answer", sdp:"..."});
>
> sd = new RTCSessionDescription(JSON.parse(some_json_string));
>
> sd2 = new RTCSessionDescription(sd);
>
> and in the other direction
>
> jsonified_sd = JSON.stringify(sd);
>
>
> There's some precedence in using a constructor like this in some of the base
> Event classes.
>
>
> Regards,
> Tommy
>
> --
> Tommy Widenflycht, Senior Software Engineer
> Google Sweden AB, Kungsbron 2, SE-11122 Stockholm, Sweden
> Org. nr. 556656-6880
> And yes, I have to include the above in every outgoing email according to EU
> law.
Received on Tuesday, 31 July 2012 15:14:54 UTC

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