|
1 /* |
|
2 * Copyright (c) 2009-2009 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: CDisplayContextBase class declaration. |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #ifndef DISPLAYSERVICEBASE_H |
|
20 #define DISPLAYSERVICEBASE_H |
|
21 |
|
22 // SYSTEM INCLUDE FILES |
|
23 #include <e32base.h> |
|
24 |
|
25 // USER INCLUDE FILES |
|
26 |
|
27 // FORWARD DECLARATIONS |
|
28 class CCFContextObject; |
|
29 class MCFContextInterface; |
|
30 |
|
31 // DATA TYPES |
|
32 |
|
33 // CLASS DECLARATION |
|
34 |
|
35 /** |
|
36 * Base class for all display type contexts. |
|
37 * |
|
38 * @lib None. |
|
39 * @since S60 5.0 |
|
40 */ |
|
41 NONSHARABLE_CLASS( CDisplayServiceBase ): public CBase |
|
42 { |
|
43 public: |
|
44 |
|
45 // Display service type |
|
46 enum TDisplayServiceType |
|
47 { |
|
48 EDisplayLightStatus, |
|
49 EDisplayUILayout |
|
50 }; |
|
51 |
|
52 virtual ~CDisplayServiceBase(); |
|
53 |
|
54 public: |
|
55 |
|
56 /** |
|
57 * Start the display service. |
|
58 * All the contexts must be defined here and also the initial value needs |
|
59 * to be set. This can also be done asynchronously. |
|
60 * |
|
61 * @since S60 5.0 |
|
62 * @param None. |
|
63 * @return None. |
|
64 */ |
|
65 virtual void StartL() = 0; |
|
66 |
|
67 /** |
|
68 * Stop the display service. |
|
69 * |
|
70 * @since S60 5.0 |
|
71 * @param None. |
|
72 * @return None. |
|
73 */ |
|
74 virtual void Stop() = 0; |
|
75 |
|
76 public: |
|
77 |
|
78 /** |
|
79 * Return the display context type. |
|
80 * |
|
81 * @since S60 5.0 |
|
82 * @param None. |
|
83 * @return None. |
|
84 */ |
|
85 TInt DisplayServiceType() const; |
|
86 |
|
87 protected: |
|
88 |
|
89 /** |
|
90 * Default C++ constructor. |
|
91 */ |
|
92 CDisplayServiceBase( TDisplayServiceType aType, |
|
93 MCFContextInterface& aCF ); |
|
94 |
|
95 /** |
|
96 * Symbian 2nd phase constructor. |
|
97 */ |
|
98 void ConstructL(); |
|
99 |
|
100 protected: // Data |
|
101 |
|
102 /** Context associated with the display service */ |
|
103 CCFContextObject* iContext; |
|
104 |
|
105 /** Reference to the Context Access API */ |
|
106 MCFContextInterface& iCF; |
|
107 |
|
108 /** Handle to the current thread */ |
|
109 RThread iThread; |
|
110 |
|
111 private: // Private data |
|
112 |
|
113 /** Display context type */ |
|
114 TDisplayServiceType iType; |
|
115 }; |
|
116 |
|
117 #endif // DISPLAYCONTEXTBASE_H |