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bug 1038913 - (3/4) add observer service notifications for smart card events ("smartcard-insert" and "smartcard-remove") r=briansmith

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This commit is contained in:
David Keeler 2014-07-24 13:00:46 -07:00
parent 4dd58c1b5c
commit 2cd6f21fbc
1 changed files with 19 additions and 1 deletions
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20
security/manager/ssl/src/nsSmartCardMonitor.cpp
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@ -4,11 +4,13 @@
#include "nspr.h"
#include "mozilla/dom/SmartCardEvent.h"
#include "mozilla/Services.h"
#include "mozilla/unused.h"
#include "nsIDOMCryptoLegacy.h"
#include "nsIDOMDocument.h"
#include "nsIDOMWindow.h"
#include "nsIDOMWindowCollection.h"
#include "nsIObserverService.h"
#include "nsISimpleEnumerator.h"
#include "nsIWindowWatcher.h"
#include "nsServiceManagerUtils.h"
@ -30,6 +32,9 @@ using namespace mozilla::dom;
//
// Once the event is found, it is dispatched to the main thread to notify
// any window where window.crypto.enableSmartCardEvents is true.
// Additionally, all observers of the topics "smartcard-insert" and
// "smartcard-remove" are notified by the observer service of the appropriate
// event.
//
class nsTokenEventRunnable : public nsIRunnable {
@ -58,9 +63,22 @@ nsTokenEventRunnable::Run()
{
MOZ_ASSERT(NS_IsMainThread());
nsCOMPtr<nsIObserverService> observerService =
mozilla::services::GetObserverService();
if (!observerService) {
return NS_ERROR_FAILURE;
}
// This conversion is safe because mType can only be "smartcard-insert"
// or "smartcard-remove".
NS_ConvertUTF16toUTF8 eventTypeUTF8(mType);
nsresult rv = observerService->NotifyObservers(nullptr, eventTypeUTF8.get(),
mTokenName.get());
if (NS_FAILED(rv)) {
return rv;
}
// 'Dispatch' the event to all the windows. 'DispatchEventToWindow()' will
// first check to see if a given window has requested crypto events.
nsresult rv;
nsCOMPtr<nsIWindowWatcher> windowWatcher =
do_GetService(NS_WINDOWWATCHER_CONTRACTID, &rv);
if (NS_FAILED(rv)) {