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[Bug 25903] New: [EME] Tighten up MediaKey Events definitions

From: <bugzilla@jessica.w3.org>
Date: Wed, 28 May 2014 04:56:57 +0000
To: public-html-media@w3.org
Message-ID: <bug-25903-5436@http.www.w3.org/Bugs/Public/>

            Bug ID: 25903
           Summary: [EME] Tighten up MediaKey Events definitions
           Product: HTML WG
           Version: unspecified
          Hardware: All
                OS: All
            Status: NEW
          Severity: normal
          Priority: P2
         Component: Encrypted Media Extensions
          Assignee: adrianba@microsoft.com
          Reporter: cpearce@mozilla.com
        QA Contact: public-html-bugzilla@w3.org
                CC: bzbarsky@mit.edu, mike@w3.org,

The spec for MediaKeyNeededEvent and MediaKeyMessageEvent definitions [1]
should explicitly define a mapping from named entries in MediaKey*EventInit to

i.e. it should be explicit what happens when script does this:

  var ev = new MediaKeyMessageEvent("something", {});

After that, what will ev.message be and why?

We also need to define what happens when parameters are empty; like in the
example above, what's the default value of the initData? null presumably. And
the other fields?

Also, we should define that the MediaKeyNeededEvent.initData and
MediaKeyMessageEvent.message attributes are copied from their respective
InitDict params during initialization. Otherwise if a reference to the
InitDict's initData array is stored in the MediaKeyNeededEvent, other script
could change the initData at any time, causing all kinds of problems.


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Received on Wednesday, 28 May 2014 04:56:58 UTC

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