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Bug 1091790 - Check active call via nsITelephonyService. r=fabrice

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This commit is contained in:
Shih-Chiang Chien 2015-01-19 09:42:20 +08:00
parent 3663cf4c47
commit 2872982e1b
1 changed files with 24 additions and 7 deletions
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31
b2g/components/ContentPermissionPrompt.js
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@ -35,9 +35,9 @@ var secMan = Cc["@mozilla.org/scriptsecuritymanager;1"].getService(Ci.nsIScriptS
let permissionSpecificChecker = {};
XPCOMUtils.defineLazyServiceGetter(this,
"AudioManager",
"@mozilla.org/telephony/audiomanager;1",
"nsIAudioManager");
"TelephonyService",
"@mozilla.org/telephony/telephonyservice;1",
"nsITelephonyService");
XPCOMUtils.defineLazyModuleGetter(this, "SystemAppProxy",
"resource://gre/modules/SystemAppProxy.jsm");
@ -455,12 +455,29 @@ ContentPermissionPrompt.prototype = {
(function() {
// Do not allow GetUserMedia while in call.
permissionSpecificChecker["audio-capture"] = function(request) {
if (AudioManager.phoneState === Ci.nsIAudioManager.PHONE_STATE_IN_CALL) {
request.cancel();
return true;
} else {
let forbid = false;
try {
// nsITelephonyService.enumerateCalls is synchronous.
TelephonyService.enumerateCalls({
QueryInterface: XPCOMUtils.generateQI([Ci.nsITelephonyListener]),
enumerateCallStateComplete: function() {},
enumerateCallState: function(callInfo) {
if (callInfo.callState == Ci.nsITelephonyService.CALL_STATE_CONNECTED) {
forbid = true;
}
},
});
} catch (e) {
// No restriction if Telephony service doesn't exist.
return false;
}
if (forbid) {
request.cancel();
}
return forbid;
};
})();