changed media kit internal messaging and notification support

these files will be replaced soon


git-svn-id: file:///srv/svn/repos/haiku/trunk/current@1339 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/media/NotificationProcessor.cpp

@@ -1,13 +1,29 @@
 #include <OS.h>
+#include <Locker.h>
 #include <Message.h>
+#include <Messenger.h>
+#include <MediaNode.h>
+#include <Debug.h>
+#include "NotificationManager.h"
 #include "NotificationProcessor.h"
+#include "ServerInterface.h"
+#include "DataExchange.h"
 #include "Queue.h"
 
 #define NOTIFICATION_THREAD_PRIORITY 19
 
+struct RegisteredHandler
+{
+	BMessenger messenger;
+	media_node_id nodeid;
+	int32 mask;
+	team_id team;
+};
+
 NotificationProcessor::NotificationProcessor()
  :	fNotificationQueue(new Queue),
-	fNotificationThreadId(-1)
+	fNotificationThreadId(-1),
+	fLocker(new BLocker)
 {
 	fNotificationThreadId = spawn_thread(NotificationProcessor::worker_thread, "notification broadcast", NOTIFICATION_THREAD_PRIORITY, this);
 	resume_thread(fNotificationThreadId);
@@ -20,23 +36,53 @@ NotificationProcessor::~NotificationProcessor()
 	fNotificationQueue->Terminate();
 	wait_for_thread(fNotificationThreadId, &dummy);
 	delete fNotificationQueue;
+	delete fLocker;
+}
+
+void
+NotificationProcessor::EnqueueMessage(BMessage *msg)
+{
+	// queue a copy of the message to be processed later
+	fNotificationQueue->AddItem(new BMessage(*msg));
 }
 
 void
 NotificationProcessor::RequestNotifications(BMessage *msg)
 {
+	BMessenger messenger;
+	const media_node *node;
+	ssize_t nodesize;
+	team_id team;
+	int32 mask;
+
+	msg->FindMessenger(NOTIFICATION_PARAM_MESSENGER, &messenger);
+	msg->FindInt32(NOTIFICATION_PARAM_TEAM, &team);
+	msg->FindInt32(NOTIFICATION_PARAM_MASK, &mask);
+	msg->FindData("node", B_RAW_TYPE, reinterpret_cast<const void **>(&node), &nodesize);
+	ASSERT(nodesize == sizeof(node));
+
 }
 
 void
 NotificationProcessor::CancelNotifications(BMessage *msg)
 {
+	BMessenger messenger;
+	const media_node *node;
+	ssize_t nodesize;
+	team_id team;
+	int32 mask;
+
+	msg->FindMessenger(NOTIFICATION_PARAM_MESSENGER, &messenger);
+	msg->FindInt32(NOTIFICATION_PARAM_TEAM, &team);
+	msg->FindInt32(NOTIFICATION_PARAM_MASK, &mask);
+	msg->FindData("node", B_RAW_TYPE, reinterpret_cast<const void **>(&node), &nodesize);
+	ASSERT(nodesize == sizeof(node));
+
 }
 
 void
 NotificationProcessor::SendNotifications(BMessage *msg)
 {
-	// queue a copy of the message to be processed later
-	fNotificationQueue->AddItem(new BMessage(*msg));
 }
 	
 void
@@ -54,7 +100,19 @@ NotificationProcessor::WorkerThread()
 {
 	BMessage *msg;
 	while (NULL != (msg = static_cast<BMessage *>(fNotificationQueue->RemoveItem()))) {
-		BroadcastMessages(msg);
+		switch (msg->what) {
+			case MEDIA_SERVER_REQUEST_NOTIFICATIONS:
+				RequestNotifications(msg);
+				break;
+			case MEDIA_SERVER_CANCEL_NOTIFICATIONS:
+				CancelNotifications(msg);
+				break;
+			case MEDIA_SERVER_SEND_NOTIFICATIONS:
+				SendNotifications(msg);
+				break;
+			default:
+				debugger("bad notification message\n");
+		}
 		delete msg;
 	}
 }

src/servers/media/NotificationProcessor.h

@@ -7,13 +7,15 @@ public:
 	NotificationProcessor();
 	~NotificationProcessor();
 	
-	void RequestNotifications(BMessage *msg);
+	void EnqueueMessage(BMessage *msg);
-	void CancelNotifications(BMessage *msg);
-	void SendNotifications(BMessage *msg);
 
 	void CleanupTeam(team_id team);
 
 private:
+	void RequestNotifications(BMessage *msg);
+	void CancelNotifications(BMessage *msg);
+	void SendNotifications(BMessage *msg);
+
 	void BroadcastMessages(BMessage *msg);
 	void WorkerThread();
 	static int32 worker_thread(void *arg);
@@ -21,4 +23,5 @@ private:
 private:
 	Queue *		fNotificationQueue;
 	thread_id	fNotificationThreadId;
+	BLocker	*	fLocker;
 };