Bug 441197: Maintain an audio session across processes. r=jimm

dom/plugins/ipc/PluginModuleChild.cpp

@@ -71,6 +71,7 @@
 #ifdef XP_WIN
 #include "COMMessageFilter.h"
 #include "nsWindowsDllInterceptor.h"
+#include "mozilla/widget/AudioSession.h"
 #endif
 
 #ifdef OS_MACOSX
@@ -594,6 +595,10 @@ PluginModuleChild::AnswerNP_Shutdown(NPError *rv)
 {
     AssertPluginThread();
 
+#if defined XP_WIN && MOZ_WINSDK_TARGETVER >= MOZ_NTDDI_LONGHORN
+    mozilla::widget::StopAudioSession();
+#endif
+
     // the PluginModuleParent shuts down this process after this RPC
     // call pops off its stack
 
@@ -649,6 +654,25 @@ PluginModuleChild::AnswerNPP_GetSitesWithData(InfallibleTArray<nsCString>* aResu
     return true;
 }
 
+bool
+PluginModuleChild::RecvSetAudioSessionData(const nsID& aId,
+                                           const nsString& aDisplayName,
+                                           const nsString& aIconPath)
+{
+    nsresult rv;
+#if !defined XP_WIN || MOZ_WINSDK_TARGETVER < MOZ_NTDDI_LONGHORN
+    NS_RUNTIMEABORT("Not Reached!");
+    return false;
+#else
+    rv = mozilla::widget::RecvAudioSessionData(aId, aDisplayName, aIconPath);
+    NS_ENSURE_SUCCESS(rv, true); // Bail early if this fails
+
+    // Ignore failures here; we can't really do anything about them
+    mozilla::widget::StartAudioSession();
+    return true;
+#endif
+}
+
 void
 PluginModuleChild::QuickExit()
 {