|
1 /* |
|
2 * Copyright (c) 2008-2009 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: Media item |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 |
|
20 |
|
21 #ifndef C_GLXMEDIA_INL |
|
22 #define C_GLXMEDIA_INL |
|
23 |
|
24 // ----------------------------------------------------------------------------- |
|
25 // The attributes provided in this media object |
|
26 // ----------------------------------------------------------------------------- |
|
27 // |
|
28 inline const TArray<TMPXAttribute> CGlxMedia::Attributes() const |
|
29 { |
|
30 return iAttributes.Array(); |
|
31 } |
|
32 |
|
33 // ----------------------------------------------------------------------------- |
|
34 // Does this object contain the value for a given attribute |
|
35 // ----------------------------------------------------------------------------- |
|
36 // |
|
37 inline TBool CGlxMedia::IsSupported(const TMPXAttribute& aAttribute) const |
|
38 { |
|
39 return KErrNotFound != Index(aAttribute); |
|
40 } |
|
41 |
|
42 // ----------------------------------------------------------------------------- |
|
43 // The number of attribute values provided in this media object |
|
44 // ----------------------------------------------------------------------------- |
|
45 // |
|
46 inline TInt CGlxMedia::Count() const |
|
47 { |
|
48 return iAttributes.Count(); |
|
49 } |
|
50 |
|
51 // ----------------------------------------------------------------------------- |
|
52 // The attribute for a specific index |
|
53 // ----------------------------------------------------------------------------- |
|
54 // |
|
55 inline const TMPXAttribute& CGlxMedia::Attribute(TInt aIndex) const |
|
56 { |
|
57 return iAttributes[aIndex]; |
|
58 } |
|
59 |
|
60 // ----------------------------------------------------------------------------- |
|
61 // The index of a given attribute |
|
62 // ----------------------------------------------------------------------------- |
|
63 // |
|
64 inline TInt CGlxMedia::Index(const TMPXAttribute& aAttribute) const |
|
65 { |
|
66 return iAttributes.Find(aAttribute, TMPXAttribute::Match); |
|
67 } |
|
68 |
|
69 // ----------------------------------------------------------------------------- |
|
70 // The value for a specific attribute |
|
71 // ----------------------------------------------------------------------------- |
|
72 // |
|
73 template <typename T> |
|
74 inline T CGlxMedia::ValueTObject(const TMPXAttribute& aAttribute) const |
|
75 { |
|
76 TInt i = Index(aAttribute); |
|
77 |
|
78 __ASSERT_DEBUG( i != KErrNotFound, Panic( EGlxPanicIllegalArgument ) ); |
|
79 |
|
80 __ASSERT_DEBUG(EMPXTypeTObject == iValues[i].iType, |
|
81 Panic(EGlxPanicWrongAttributeType)); |
|
82 const TValue& value = iValues[i]; |
|
83 const T* ptr = reinterpret_cast<const T*>(value.iValue); |
|
84 __ASSERT_DEBUG(ptr != NULL, Panic(EGlxPanicNullPointer)); |
|
85 return *ptr; |
|
86 } |
|
87 |
|
88 template <typename T> |
|
89 inline TBool CGlxMedia::GetValueTObject(T& aValue, const TMPXAttribute& aAttribute) const |
|
90 { |
|
91 TInt i = Index(aAttribute); |
|
92 if (KErrNotFound == i) |
|
93 { |
|
94 return EFalse; |
|
95 } |
|
96 |
|
97 __ASSERT_DEBUG(EMPXTypeTObject == iValues[i].iType, |
|
98 Panic(EGlxPanicWrongAttributeType)); |
|
99 const TValue& value = iValues[i]; |
|
100 const T* ptr = reinterpret_cast<const T*>(value.iValue); |
|
101 __ASSERT_DEBUG(ptr != NULL, Panic(EGlxPanicNullPointer)); |
|
102 aValue = *ptr; |
|
103 return ETrue; |
|
104 } |
|
105 |
|
106 |
|
107 // ----------------------------------------------------------------------------- |
|
108 // Set the value for a specific attribute |
|
109 // ----------------------------------------------------------------------------- |
|
110 // |
|
111 template<typename T> |
|
112 inline void CGlxMedia::SetTObjectValueL(const TMPXAttribute& aAttribute, T aValue) |
|
113 { |
|
114 TAny* ptr = User::AllocL(sizeof(T)); |
|
115 memcpy(ptr, &aValue, sizeof(T)); |
|
116 |
|
117 SetValueL(aAttribute, ptr, EMPXTypeTObject); |
|
118 } |
|
119 |
|
120 // ----------------------------------------------------------------------------- |
|
121 // Constructor |
|
122 // ----------------------------------------------------------------------------- |
|
123 // |
|
124 CGlxMedia::TValue::TValue(TAny* aValue, TMPXAttributeType aType) |
|
125 { |
|
126 iValue = aValue; |
|
127 iType = aType; |
|
128 } |
|
129 |
|
130 #endif // C_GLXMEDIA_INL |