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1/**
2 * @file llmediaobserver.h
3 * @brief Derrive from this class and override methods to observe events from emitter class
4 *
5 * $LicenseInfo:firstyear=2007&license=viewergpl$
6 *
7 * Copyright (c) 2007-2009, Linden Research, Inc.
8 *
9 * Second Life Viewer Source Code
10 * The source code in this file ("Source Code") is provided by Linden Lab
11 * to you under the terms of the GNU General Public License, version 2.0
12 * ("GPL"), unless you have obtained a separate licensing agreement
13 * ("Other License"), formally executed by you and Linden Lab. Terms of
14 * the GPL can be found in doc/GPL-license.txt in this distribution, or
15 * online at http://secondlifegrid.net/programs/open_source/licensing/gplv2
16 *
17 * There are special exceptions to the terms and conditions of the GPL as
18 * it is applied to this Source Code. View the full text of the exception
19 * in the file doc/FLOSS-exception.txt in this software distribution, or
20 * online at
21 * http://secondlifegrid.net/programs/open_source/licensing/flossexception
22 *
23 * By copying, modifying or distributing this software, you acknowledge
24 * that you have read and understood your obligations described above,
25 * and agree to abide by those obligations.
26 *
27 * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
28 * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
29 * COMPLETENESS OR PERFORMANCE.
30 * $/LicenseInfo$
31 */
32
33#ifndef LLMEDIAEOBSERVER_H
34#define LLMEDIAEOBSERVER_H
35
36class LLMediaBase;
37
38class LLMediaEvent
39{
40 public:
41 LLMediaEvent( LLMediaBase* subject ) :
42 mSubject( subject ), mIntValue(-1)
43 {
44 };
45
46 LLMediaEvent( LLMediaBase* subject, std::string in ) :
47 mSubject( subject ), mIntValue(-1), mStringValue(in)
48 {
49 };
50
51 LLMediaEvent( LLMediaBase* subject, std::string string_in, std::string string_ex_in ) :
52 mSubject( subject ), mIntValue(-1), mStringValue(string_in), mStringValueEx(string_ex_in)
53 {
54 };
55
56 LLMediaEvent( LLMediaBase* subject, std::string string_in, int int_in ) :
57 mSubject( subject ), mIntValue(int_in), mStringValue(string_in)
58 {
59 };
60
61 LLMediaEvent( LLMediaBase* subject, int in ) :
62 mSubject( subject ), mIntValue(in)
63 {
64 };
65
66 virtual ~LLMediaEvent() { }
67
68 LLMediaBase* getSubject() const
69 {
70 return mSubject;
71 };
72
73 int getIntValue() const
74 {
75 return mIntValue;
76 }
77
78 std::string getStringValue() const
79 {
80 return mStringValue;
81 }
82
83 std::string getStringValueEx() const
84 {
85 return mStringValueEx;
86 }
87
88 private:
89 LLMediaBase* mSubject;
90 int mIntValue;
91 std::string mStringValue;
92 std::string mStringValueEx;
93};
94
95class LLMediaObserver
96{
97 public:
98 virtual ~LLMediaObserver() {}
99
100 typedef LLMediaEvent EventType;
101 virtual void onMediaPreroll( const EventType& event_in ) { }
102 virtual void onMediaLoaded( const EventType& event_in ) { }
103 virtual void onMediaSizeChange( const EventType& event_in ) { }
104 virtual void onMediaContentsChange( const EventType& event_in ) { }
105 virtual void onMediaStatusTextChange( const EventType& event_in ) { }
106 virtual void onMediaTitleChange( const EventType &event_in ) { }
107 virtual void onNavigateBegin( const EventType& event_in ) { }
108 virtual void onNavigateComplete( const EventType& event_in ) { }
109 virtual void onUpdateProgress( const EventType& event_in ) { }
110 virtual void onStatusTextChange( const EventType& event_in ) { }
111 virtual void onLocationChange( const EventType& event_in ) { }
112 virtual void onClickLinkHref( const EventType& event_in ) { }
113 virtual void onClickLinkNoFollow( const EventType& event_in ) { }
114};
115
116#endif // LLMEDIAEOBSERVER_H