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Bug 1105511 - Make observer principal cache name reflect content; r=gerard-majax

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This commit is contained in:
Kyle Machulis 2014-12-09 13:53:20 -08:00
parent 03afa95957
commit 4bde89d43b
1 changed files with 10 additions and 6 deletions
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16
dom/settings/SettingsRequestManager.jsm
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@ -188,7 +188,11 @@ let SettingsRequestManager = {
// until they hit the front of the queue.
settingsLockQueue: [],
children: [],
mmPrincipals: new Map(),
// Since we need to call observers at times when we may not have
// just received a message from a child process, we cache principals
// for message managers and check permissions on them before we send
// settings notifications to child processes.
observerPrincipalCache: new Map(),
tasksConsumed: 0,
init: function() {
@ -765,7 +769,7 @@ let SettingsRequestManager = {
broadcastMessage: function broadcastMessage(aMsgName, aContent) {
if (VERBOSE) debug("Broadcast");
this.children.forEach(function(msgMgr) {
let principal = this.mmPrincipals.get(msgMgr);
let principal = this.observerPrincipalCache.get(msgMgr);
if (!principal) {
if (DEBUG) debug("Cannot find principal for message manager to check permissions");
}
@ -784,13 +788,13 @@ let SettingsRequestManager = {
if (VERBOSE) debug("Add observer for " + aPrincipal.origin);
if (this.children.indexOf(aMsgMgr) == -1) {
this.children.push(aMsgMgr);
this.mmPrincipals.set(aMsgMgr, aPrincipal);
this.observerPrincipalCache.set(aMsgMgr, aPrincipal);
}
},
removeObserver: function(aMsgMgr) {
if (VERBOSE) {
let principal = this.mmPrincipals.get(aMsgMgr);
let principal = this.observerPrincipalCache.get(aMsgMgr);
if (principal) {
debug("Remove observer for " + principal.origin);
}
@ -798,9 +802,9 @@ let SettingsRequestManager = {
let index = this.children.indexOf(aMsgMgr);
if (index != -1) {
this.children.splice(index, 1);
this.mmPrincipals.delete(aMsgMgr);
this.observerPrincipalCache.delete(aMsgMgr);
}
if (VERBOSE) debug("Principal/MessageManager pairs left: " + this.mmPrincipals.size);
if (VERBOSE) debug("Principal/MessageManager pairs left in observer cache: " + this.observerPrincipalCache.size);
},
removeLock: function(aLockID) {