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WebAPI/Inter App Communication Alt proposal: Difference between revisions
WebAPI/Inter App Communication Alt proposal (view source)
Revision as of 18:54, 18 July 2013
, 18 July 2013→Lockscreen and Music
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== Lockscreen and Music == | == Lockscreen and Music == | ||
(Disclaimer: this is just a rough example of a possible solution for this use case. This can probably be done with an unique keyword and an agreed bidirectional API, but I wanted a wider example) | (Disclaimer: this is just a rough example of a possible solution for this use case. This can probably be done with an unique keyword, different access rules and an agreed bidirectional API, but I wanted a wider example) | ||
The lockscreen wants to be able to: | The lockscreen wants to be able to: | ||
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The Lockscreen, in this example, wants to control '''only''' the music from the Gaia Music app (certified and with a known origin). Once the lockscreen is ready it sends a connection request of this kind: | The Lockscreen, in this example, wants to control '''only''' the music from the Gaia Music app (certified and with a known origin). Once the lockscreen is ready it sends a connection request of this kind: | ||
connect('musicremotecontrol').then(function onConnectionAccepted(ports) { | connect('musicremotecontrol').then((function onConnectionAccepted(ports) { | ||
... | if (ports.length > 1) { | ||
// We shouldn't be here as we only want to communicate with the Gaia Music app. | |||
return; | |||
} | |||
let musicPort = ports[0]; | |||
this.madeUpPlayButton.onclick = function() { | |||
musicPort.postMessage({ | |||
action: 'play' | |||
}); | |||
}; | |||
this.madeUpPauseButton.onclick = function() { | |||
musicPort.postMessage({ | |||
action: 'pause' | |||
}); | |||
}; | |||
this.madeUpStopButton.onclick = function () { | |||
musicPort.postMessage({ | |||
action: 'stop' | |||
}); | |||
}; | |||
}, function onConnectionRejected(reason) { | }, function onConnectionRejected(reason) { | ||
... | ... | ||
}, { | }, { | ||
origin: ['music.gaiamobile.org'] | origin: ['music.gaiamobile.org'] | ||
}); | }).bind(this)); | ||
If no previous connection through the 'musicremotecontrol' keyword between the Lockscreen and the Gaia Music app has been previously allowed an UI is shown to the user with a message like: | If no previous connection through the 'musicremotecontrol' keyword between the Lockscreen and the Gaia Music app has been previously allowed an UI is shown to the user with a message like: | ||
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} | } | ||
}); | }); | ||
== Other use case == | == Other use case == | ||