blob: 84af8c25929d6ea49e1689395b05b346f1b6f69f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
|
#pragma once
class AppSystemInfo_t;
enum InitReturnVal_t;
enum AppSystemTier_t {
APP_SYSTEM_TIER0 = 0,
APP_SYSTEM_TIER1,
APP_SYSTEM_TIER2,
APP_SYSTEM_TIER3,
APP_SYSTEM_TIER_OTHER,
};
using CreateInterfaceFn = void*( *)( const char*, int* );
class IAppSystem {
public:
// Here's where the app systems get to learn about each other
virtual bool Connect( CreateInterfaceFn factory ) = 0;
virtual void Disconnect( ) = 0;
// Here's where systems can access other interfaces implemented by this object
// Returns NULL if it doesn't implement the requested interface
virtual void *QueryInterface( const char *pInterfaceName ) = 0;
// Init, shutdown
virtual InitReturnVal_t Init( ) = 0;
virtual void Shutdown( ) = 0;
};
|
