1582509 - Implement setPositionState in Media Session interface

Status: RESOLVED FIXED

(Core :: Audio/Video: Playback, task, P1)

Description

[C.M.Chang[:chunmin]]

Implement setPositionState in the Media Session API defined in https://w3c.github.io/mediasession/#dom-mediasession-setpositionstate

Comment 1

[Alastor Wu [:alwu]]

Target it on this release cycle so mark it as P1.

Comment 2

[Alastor Wu [:alwu]]

Attachment: Bug 1582509 - part1 : implement 'MediaPositionState' and 'setPositionState()'.

According to the spec [1], implement the dictionary MediaPositionState and setPositionState().

[1] https://w3c.github.io/mediasession/#dom-mediasession-setpositionstate

Comment 3

[Alastor Wu [:alwu]]

Attachment: Bug 1582509 - part2 : modify and enable wpt 'positionstate.html'.

According to [1], the playback rate can be either positive or negative, the only unsupported value is zero.

[1] https://w3c.github.io/mediasession/#dom-mediapositionstate-playbackrate

Comment 4

[Alastor Wu [:alwu]]

Attachment: Bug 1582509 - part3 : enable wpt 'idlharness.window.js'.

Comment 5

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/bfc0e35f48f6
part1 : implement 'MediaPositionState' and 'setPositionState()'. r=emilio
https://hg.mozilla.org/integration/autoland/rev/f4286a9798d8
part2 : modify and enable wpt 'positionstate.html'. r=baku

Comment 6

[Web Platform Test Sync Bot (Matrix: #interop:mozilla.org)]

Created web-platform-tests PR https://github.com/web-platform-tests/wpt/pull/22362 for changes under testing/web-platform/tests

Comment 7

[Web Platform Test Sync Bot (Matrix: #interop:mozilla.org)]

Upstream web-platform-tests status checks passed, PR will merge once commit reaches central.

Comment 8

[Web Platform Test Sync Bot (Matrix: #interop:mozilla.org)]

Upstream PR merged by moz-wptsync-bot

Comment 9

[Cristina Coroiu [:ccoroiu]]

https://hg.mozilla.org/mozilla-central/rev/bfc0e35f48f6
https://hg.mozilla.org/mozilla-central/rev/f4286a9798d8

Comment 10

[Eric Shepherd [:sheppy]]

Doc updates:

• Set version_added for setPositionState() to 76
• Added MediaPositionState to BCD
• Added https://wiki.developer.mozilla.org/en-US/docs/Web/API/MediaPositionState
• Added https://wiki.developer.mozilla.org/en-US/docs/Web/API/MediaPositionState/duration
• Added https://wiki.developer.mozilla.org/en-US/docs/Web/API/MediaPositionState/playbackRate
• Added https://wiki.developer.mozilla.org/en-US/docs/Web/API/MediaPositionState/position