60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
|
/*
|
||
|
|
* Copyright 2002, Marcus Overhagen. All rights reserved.
|
||
|
|
* Distributed under the terms of the MIT License.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _DORMANT_NODE_MANAGER_H
|
||
|
|
#define _DORMANT_NODE_MANAGER_H
|
||
|
|
|
||
|
|
#include "TMap.h"
|
||
|
|
|
||
|
|
namespace BPrivate {
|
||
|
|
namespace media {
|
||
|
|
|
||
|
|
class DormantNodeManager
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
DormantNodeManager();
|
||
|
|
~DormantNodeManager();
|
||
|
|
|
||
|
|
// InstantiateDormantNode(const dormant_node_info & in_info, bool global, media_node * out_node);
|
||
|
|
|
||
|
|
// Be careful, GetAddon and PutAddon must be balanced.
|
||
|
|
BMediaAddOn *GetAddon(media_addon_id id);
|
||
|
|
void PutAddon(media_addon_id id);
|
||
|
|
|
||
|
|
// For use by media_addon_server only
|
||
|
|
media_addon_id RegisterAddon(const char *path);
|
||
|
|
void UnregisterAddon(media_addon_id id);
|
||
|
|
|
||
|
|
private:
|
||
|
|
struct loaded_addon_info
|
||
|
|
{
|
||
|
|
BMediaAddOn *addon;
|
||
|
|
image_id image;
|
||
|
|
int32 usecount;
|
||
|
|
};
|
||
|
|
|
||
|
|
// returns the addon or NULL if it needs to be loaded
|
||
|
|
BMediaAddOn *TryGetAddon(media_addon_id id);
|
||
|
|
|
||
|
|
// manage loading and unloading add-ons from images
|
||
|
|
status_t LoadAddon(BMediaAddOn **newaddon, image_id *newimage, const char *path, media_addon_id id);
|
||
|
|
void UnloadAddon(BMediaAddOn *addon, image_id image);
|
||
|
|
|
||
|
|
// query the server for the path
|
||
|
|
status_t FindAddonPath(BPath *path, media_addon_id id);
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
Map<media_addon_id,loaded_addon_info> *fAddonmap;
|
||
|
|
BLocker *fLock;
|
||
|
|
};
|
||
|
|
|
||
|
|
}; // namespace media
|
||
|
|
}; // namespace BPrivate
|
||
|
|
|
||
|
|
extern BPrivate::media::DormantNodeManager *_DormantNodeManager;
|
||
|
|
|
||
|
|
#endif /* _DORMANT_NODE_MANAGER_H */
|