Chat-O-Matic/libs/libdownload/QueueMultiActions.h
2010-07-10 13:37:58 +00:00

74 lines
1.3 KiB
C++

/*
* Copyright 2010, Andrea Anzani. All rights reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef QueueMultiActions_H_
#define QueueMultiActions_H_
#include <Looper.h>
#include <ObjectList.h>
#include <OS.h>
#include "Action.h"
#define MAX_MULTI 5
class QueueMultiActions
{
public:
QueueMultiActions(const char* name, int count);
virtual ~QueueMultiActions();
void AddAction(Action* );
//BEFORE CALLING CurrentAction, you MUST Lock() the Queue!
Action* CurrentAction(int index);
int32 CountActions();
int CountThreads() {
return fCount;
}
Action* ActionAt(int32 pos);
void RemoveActionAt(int32 pos);
void SetDownloadCount(int count);
bool Lock();
void Unlock();
bool IsLocked();
protected:
static int32 ManageTheQueue(void*);
virtual void ActionReadyToPerform(Action*) = 0;
virtual void ActionPerformed(Action*, status_t, BMessage*) = 0;
virtual void SuppressAction(Action*) = 0;
private:
struct token {
int index;
QueueMultiActions* qa;
};
void SetCurrentAction(Action*, int index);
void KIllThread(int id);
Action* fCurrentAction[MAX_MULTI];
thread_id fID[MAX_MULTI];
sem_id fLock;
BObjectList<Action> fList;
bool fLocked;
int fCount;
BString fName;
};
#endif