Bug 1276378 - Part 1: Add terminate command in control protocol. r=junior

MozReview-Commit-ID: BwfJKcXmN07

dom/presentation/PresentationDeviceManager.cpp

@@ -14,6 +14,7 @@
 #include "nsIObserverService.h"
 #include "nsXULAppAPI.h"
 #include "PresentationSessionRequest.h"
+#include "PresentationTerminateRequest.h"
 
 namespace mozilla {
 namespace dom {
@@ -239,6 +240,28 @@ PresentationDeviceManager::OnSessionRequest(nsIPresentationDevice* aDevice,
   return NS_OK;
 }
 
+NS_IMETHODIMP
+PresentationDeviceManager::OnTerminateRequest(nsIPresentationDevice* aDevice,
+                                              const nsAString& aPresentationId,
+                                              nsIPresentationControlChannel* aControlChannel,
+                                              bool aIsFromReceiver)
+{
+  NS_ENSURE_ARG(aDevice);
+  NS_ENSURE_ARG(aControlChannel);
+
+  nsCOMPtr<nsIObserverService> obs = services::GetObserverService();
+  NS_ENSURE_TRUE(obs, NS_ERROR_FAILURE);
+
+  RefPtr<PresentationTerminateRequest> request =
+    new PresentationTerminateRequest(aDevice, aPresentationId,
+                                     aControlChannel, aIsFromReceiver);
+  obs->NotifyObservers(request,
+                       PRESENTATION_TERMINATE_REQUEST_TOPIC,
+                       nullptr);
+
+  return NS_OK;
+}
+
 // nsIObserver
 NS_IMETHODIMP
 PresentationDeviceManager::Observe(nsISupports *aSubject,