1041907 - [gonk1.3][SPRD]Music app is in the background and playing, long press home button and kill music , the playing icon on the statusbar doesn't dismiss immediately.

Status: RESOLVED FIXED

(Firefox OS Graveyard :: AudioChannel, defect, P2)

Description

[jinchao.wang]

[gonk1.3][SPRD]Music app is in the background and playing, long press home button and kill music , the playing icon on the statusbar doesn't dismiss  immediately.Why the mozChromeEvent message with value of audio-channel-changed is sent Delayed.

Comment 1

[Wayne Chen [:xwaynec]]

hi Fabrice,

May I ask is there any way that gecko can handle this situation? I'm not sure what is the exactly problem,  but I tried flame/buri/tarako/dolphin, only in-process app has this issue.
In status bar, it is listening on "audiochannelchange" event.
In OOP mode, when app is killed in card view, then gecko resource (audiochannel) will be released immediately. However in in-process mode, the resource will not be released immediately. But We can't decided when GC will be triggered to free the resource. Or can app listen other event to stop music when iframe is removed?

Thanks

Sincerely,
Wayne

Comment 2

[[:fabrice] Fabrice Desré]

Wayne, the system app knows when in process frames are removed, since they are never killed by the LMK. So we can try something like: when the system app removes an inprocess iframe from the DOM, it sends a mozContentEvent to shell.js, and shell.js can trigger a forced GC. Do you think you can write this patch or do you need help?

Comment 3

[[:fabrice] Fabrice Desré]

also, in the in-proc case, we should be able to listen to the unload() event in the app right? Can we force close the channel here?

Comment 4

[Evelyn Hung]

(In reply to Fabrice Desré [:fabrice] from comment #3)
> also, in the in-proc case, we should be able to listen to the unload() event
> in the app right? Can we force close the channel here?

Luke did the test but unfortunately the unload event isn't fired even in the in-proc case. :(

Comment 5

[jinchao.wang]

just close