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author | Jacek Antonelli | 2008-08-15 23:44:46 -0500 |
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committer | Jacek Antonelli | 2008-08-15 23:44:46 -0500 |
commit | 38d6d37f2d982fa959e9e8a4a3f7e1ccfad7b5d4 (patch) | |
tree | adca584755d22ca041a2dbfc35d4eca01f70b32c /linden/indra/llmedia/llmediaemitter.h | |
parent | README.txt (diff) | |
download | meta-impy-38d6d37f2d982fa959e9e8a4a3f7e1ccfad7b5d4.zip meta-impy-38d6d37f2d982fa959e9e8a4a3f7e1ccfad7b5d4.tar.gz meta-impy-38d6d37f2d982fa959e9e8a4a3f7e1ccfad7b5d4.tar.bz2 meta-impy-38d6d37f2d982fa959e9e8a4a3f7e1ccfad7b5d4.tar.xz |
Second Life viewer sources 1.13.2.12
Diffstat (limited to '')
-rw-r--r-- | linden/indra/llmedia/llmediaemitter.h | 107 |
1 files changed, 107 insertions, 0 deletions
diff --git a/linden/indra/llmedia/llmediaemitter.h b/linden/indra/llmedia/llmediaemitter.h new file mode 100644 index 0000000..fc68303 --- /dev/null +++ b/linden/indra/llmedia/llmediaemitter.h | |||
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1 | /** | ||
2 | * @file llmediaemitter.h | ||
3 | * @brief LLMedia support - templatized emitter class. | ||
4 | * | ||
5 | * Copyright (c) 2005-2007, Linden Research, Inc. | ||
6 | * | ||
7 | * The source code in this file ("Source Code") is provided by Linden Lab | ||
8 | * to you under the terms of the GNU General Public License, version 2.0 | ||
9 | * ("GPL"), unless you have obtained a separate licensing agreement | ||
10 | * ("Other License"), formally executed by you and Linden Lab. Terms of | ||
11 | * the GPL can be found in doc/GPL-license.txt in this distribution, or | ||
12 | * online at http://secondlife.com/developers/opensource/gplv2 | ||
13 | * | ||
14 | * There are special exceptions to the terms and conditions of the GPL as | ||
15 | * it is applied to this Source Code. View the full text of the exception | ||
16 | * in the file doc/FLOSS-exception.txt in this software distribution, or | ||
17 | * online at http://secondlife.com/developers/opensource/flossexception | ||
18 | * | ||
19 | * By copying, modifying or distributing this software, you acknowledge | ||
20 | * that you have read and understood your obligations described above, | ||
21 | * and agree to abide by those obligations. | ||
22 | * | ||
23 | * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO | ||
24 | * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY, | ||
25 | * COMPLETENESS OR PERFORMANCE. | ||
26 | */ | ||
27 | |||
28 | // header guard | ||
29 | #ifndef llmediaemitter_h | ||
30 | #define llmediaemitter_h | ||
31 | |||
32 | // standard headers | ||
33 | #include <algorithm> | ||
34 | #include <typeinfo> | ||
35 | #include <iostream> | ||
36 | #include <list> | ||
37 | |||
38 | #include "stdtypes.h" | ||
39 | |||
40 | /////////////////////////////////////////////////////////////////////////////// | ||
41 | // templatized emitter class | ||
42 | template < class T > | ||
43 | class LLMediaEmitter | ||
44 | { | ||
45 | public: | ||
46 | typedef typename T::EventType EventType; | ||
47 | typedef std::list< T* > ObserverContainer; | ||
48 | typedef void ( T::*observerMethod )( const EventType& ); | ||
49 | |||
50 | protected: | ||
51 | ObserverContainer observers; | ||
52 | |||
53 | public: | ||
54 | LLMediaEmitter() | ||
55 | { | ||
56 | }; | ||
57 | |||
58 | ~LLMediaEmitter() | ||
59 | { | ||
60 | }; | ||
61 | |||
62 | /////////////////////////////////////////////////////////////////////////////// | ||
63 | // | ||
64 | BOOL addObserver ( T* observerIn ) | ||
65 | { | ||
66 | if ( ! observerIn ) | ||
67 | return FALSE; | ||
68 | |||
69 | // check if observer already exists | ||
70 | if ( std::find ( observers.begin (), observers.end (), observerIn ) != observers.end () ) | ||
71 | return FALSE; | ||
72 | |||
73 | // save it | ||
74 | observers.push_back ( observerIn ); | ||
75 | |||
76 | return true; | ||
77 | }; | ||
78 | |||
79 | /////////////////////////////////////////////////////////////////////////////// | ||
80 | // | ||
81 | BOOL remObserver ( T* observerIn ) | ||
82 | { | ||
83 | if ( ! observerIn ) | ||
84 | return FALSE; | ||
85 | |||
86 | observers.remove ( observerIn ); | ||
87 | |||
88 | return TRUE; | ||
89 | }; | ||
90 | |||
91 | /////////////////////////////////////////////////////////////////////////////// | ||
92 | // | ||
93 | void update ( observerMethod method, const EventType& msgIn ) | ||
94 | { | ||
95 | typename std::list< T* >::iterator iter = observers.begin (); | ||
96 | |||
97 | while ( iter != observers.end () ) | ||
98 | { | ||
99 | ( ( *iter )->*method ) ( msgIn ); | ||
100 | |||
101 | ++iter; | ||
102 | }; | ||
103 | }; | ||
104 | }; | ||
105 | |||
106 | |||
107 | #endif // llmediaemitter_h | ||