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Bug 836605 - Use prototype to speed up cloneAsMozIApplication r=genelian

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This commit is contained in:
Fabrice Desré 2013-02-06 15:21:15 -08:00
parent 005dbdc107
commit be582ce72a
1 changed files with 28 additions and 21 deletions
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49
dom/apps/src/AppsUtils.jsm
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@ -32,6 +32,33 @@ function isAbsoluteURI(aURI) {
Services.io.newURI(aURI, null, bar).prePath != bar.prePath;
}
function mozIApplication() {
}
mozIApplication.prototype = {
hasPermission: function(aPermission) {
let uri = Services.io.newURI(this.origin, null, null);
let secMan = Cc["@mozilla.org/scriptsecuritymanager;1"]
.getService(Ci.nsIScriptSecurityManager);
// This helper checks an URI inside |aApp|'s origin and part of |aApp| has a
// specific permission. It is not checking if browsers inside |aApp| have such
// permission.
let principal = secMan.getAppCodebasePrincipal(uri, this.localId,
/*mozbrowser*/false);
let perm = Services.perms.testExactPermissionFromPrincipal(principal,
aPermission);
return (perm === Ci.nsIPermissionManager.ALLOW_ACTION);
},
QueryInterface: function(aIID) {
if (aIID.equals(Ci.mozIDOMApplication) ||
aIID.equals(Ci.mozIApplication) ||
aIID.equals(Ci.nsISupports))
return this;
throw Cr.NS_ERROR_NO_INTERFACE;
}
}
this.AppsUtils = {
// Clones a app, without the manifest.
cloneAppObject: function cloneAppObject(aApp) {
@ -68,27 +95,7 @@ this.AppsUtils = {
cloneAsMozIApplication: function cloneAsMozIApplication(aApp) {
let res = this.cloneAppObject(aApp);
res.hasPermission = function(aPermission) {
let uri = Services.io.newURI(this.origin, null, null);
let secMan = Cc["@mozilla.org/scriptsecuritymanager;1"]
.getService(Ci.nsIScriptSecurityManager);
// This helper checks an URI inside |aApp|'s origin and part of |aApp| has a
// specific permission. It is not checking if browsers inside |aApp| have such
// permission.
let principal = secMan.getAppCodebasePrincipal(uri, aApp.localId,
/*mozbrowser*/false);
let perm = Services.perms.testExactPermissionFromPrincipal(principal,
aPermission);
return (perm === Ci.nsIPermissionManager.ALLOW_ACTION);
};
res.QueryInterface = function(aIID) {
if (aIID.equals(Ci.mozIDOMApplication) ||
aIID.equals(Ci.mozIApplication) ||
aIID.equals(Ci.nsISupports))
return this;
throw Cr.NS_ERROR_NO_INTERFACE;
}
res.__proto__ = mozIApplication.prototype;
return res;
},