|
1 /* |
|
2 * Copyright (c) 2005-2007 Nokia Corporation and/or its subsidiary(-ies). |
|
3 * All rights reserved. |
|
4 * This component and the accompanying materials are made available |
|
5 * under the terms of "Eclipse Public License v1.0" |
|
6 * which accompanies this distribution, and is available |
|
7 * at the URL "http://www.eclipse.org/legal/epl-v10.html". |
|
8 * |
|
9 * Initial Contributors: |
|
10 * Nokia Corporation - initial contribution. |
|
11 * |
|
12 * Contributors: |
|
13 * |
|
14 * Description: Used for handling XUIKON events |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #ifndef C_EVENTHANDLER_H |
|
20 #define C_EVENTHANDLER_H |
|
21 |
|
22 #include <e32base.h> |
|
23 |
|
24 #include "xnvolumecontrolobserver.h" |
|
25 #include "xnvolumecontrol.h" |
|
26 |
|
27 class CXnNodeAppIf; |
|
28 class CXnProperty; |
|
29 class MAiFwEventHandler; |
|
30 class MAiStrParser; |
|
31 class TXnUiEngineAppIf; |
|
32 class CXnDomNode; |
|
33 |
|
34 namespace AiXmlUiController |
|
35 { |
|
36 |
|
37 class CXmlUiController; |
|
38 class CContentRenderer; |
|
39 class MAiUiEventHandler; |
|
40 class MAiApplicationEventHandler; |
|
41 |
|
42 /** |
|
43 * @ingroup group_xmluicontroller |
|
44 * |
|
45 * This class is used for handling XUIKON events. |
|
46 * |
|
47 * Events described in Content Model are handled in here. This class parses |
|
48 * the events and decides what to do with them. Events are either consumed in |
|
49 * UI or in case of a plug-in event forwarded to XML AI Framework for further |
|
50 * processing. |
|
51 * |
|
52 * @lib AiXmlUiMain |
|
53 */ |
|
54 class CAIXuikonEventHandler : public CBase, |
|
55 public MXnVolumeControlObserver |
|
56 { |
|
57 public: |
|
58 |
|
59 static CAIXuikonEventHandler* NewL(CXmlUiController& aXmlUiController, |
|
60 CContentRenderer& aRenderer); |
|
61 ~CAIXuikonEventHandler(); |
|
62 |
|
63 /** |
|
64 * Handle interaction notification from XUIKON UI engine. |
|
65 * |
|
66 * @see CXnAppUiAdapter::HandleXuikonEventL |
|
67 */ |
|
68 void HandleXuikonEventL( CXnNodeAppIf& aOrigin, |
|
69 CXnNodeAppIf& aTrigger, |
|
70 CXnDomNode& aTriggerDefinition, |
|
71 CXnDomNode& aEvent ); |
|
72 |
|
73 /** |
|
74 * Set handler for plug-in events |
|
75 * @param aPluginEventHandler Pointer to event handler |
|
76 */ |
|
77 void SetFwEventHandler( MAiFwEventHandler* aPluginEventHandler ); |
|
78 |
|
79 /** |
|
80 * Set handler for UI events |
|
81 * @param aUiEventHandler Pointer to event handler |
|
82 */ |
|
83 void SetUiEventHandler( MAiUiEventHandler* aUiEventHandler ); |
|
84 |
|
85 /** |
|
86 * Set handler for application events |
|
87 * @param aApplicationEventHandler Pointer to event handler |
|
88 */ |
|
89 void SetApplicationEventHandler( MAiApplicationEventHandler* |
|
90 aApplicationEventHandler ); |
|
91 |
|
92 // from MXnVolumeControlObserver |
|
93 |
|
94 /** |
|
95 * Called when volume value is changed. |
|
96 */ |
|
97 void VolumeChanged( TInt aValue ); |
|
98 |
|
99 private: |
|
100 CAIXuikonEventHandler(CXmlUiController& aUiController, |
|
101 CContentRenderer& aRenderer); |
|
102 |
|
103 void ConstructL(); |
|
104 |
|
105 TBool HandleSystemEventL( const TDesC8& aEventText, CXnDomNode& aEvent ); |
|
106 |
|
107 TBool HandleUiEventL( const TDesC8& aEventText, CXnNodeAppIf& aOrigin ); |
|
108 |
|
109 TBool HandleApplicationEventL( const TDesC8& aEventText ); |
|
110 |
|
111 void DispatchEventL( CXnDomNode& aEvent, |
|
112 CXnNodeAppIf& aOrigin, |
|
113 CXnDomNode& aTriggerDefinition ); |
|
114 |
|
115 void HandlePluginEventL( CXnDomNode& aEvent ); |
|
116 |
|
117 void ParseParameterStringL(const TDesC8& aSourcePtr, TPtrC8& aTargetPtr); |
|
118 |
|
119 private: // data |
|
120 |
|
121 class CNullEventHandler; |
|
122 |
|
123 /** |
|
124 * String parser utility. Own. |
|
125 */ |
|
126 MAiStrParser* iStrParser; |
|
127 |
|
128 /** |
|
129 * Reference to XML ui controller. |
|
130 */ |
|
131 CXmlUiController& iUiController; |
|
132 |
|
133 /** |
|
134 * Reference to content renderer. |
|
135 */ |
|
136 CContentRenderer& iContentRenderer; |
|
137 |
|
138 /** |
|
139 * Null event handler. |
|
140 */ |
|
141 CNullEventHandler* iNullEventHandler; |
|
142 |
|
143 /** |
|
144 * Plug-in event handler. |
|
145 * Doesn't own. |
|
146 */ |
|
147 MAiFwEventHandler* iFwEventHandler; |
|
148 |
|
149 /** |
|
150 * UI event handler. |
|
151 * Doesn't own. |
|
152 */ |
|
153 MAiUiEventHandler* iUiEventHandler; |
|
154 |
|
155 /** |
|
156 * Application event handler. |
|
157 * Doesn't own. |
|
158 */ |
|
159 MAiApplicationEventHandler* iApplicationEventHandler; |
|
160 |
|
161 /** |
|
162 * Volume control event. |
|
163 * Owned. |
|
164 */ |
|
165 HBufC* iVolumeEvent; |
|
166 |
|
167 /** |
|
168 * Volume control interface. |
|
169 * Not owned. |
|
170 */ |
|
171 XnVolumeControlInterface::MXnVolumeControlInterface* iVolumeControl; |
|
172 }; |
|
173 |
|
174 } // namespace AiXmlUiController |
|
175 |
|
176 #endif // C_EVENTHANDLER_H |