|
1 /** @file |
|
2 * Copyright (c) 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: Implements the CUpnpIconContentHandler class |
|
15 * |
|
16 */ |
|
17 |
|
18 |
|
19 #include "upnpiconcontenthandler.h" |
|
20 #include "upnpcontenthandlerscontroller.h" |
|
21 #include "upnpicon.h" |
|
22 #include "upnpdeviceliterals.h" |
|
23 |
|
24 //const TUint8 KReqiuredTagsBoundary(31) //first five bits |
|
25 enum TFlagsPositions |
|
26 { |
|
27 EMimetypePos = 0, |
|
28 EWidthPos, |
|
29 EHeightPos, |
|
30 EDepthPos, |
|
31 EUrlPos //all required |
|
32 }; |
|
33 |
|
34 // ----------------------------------------------------------------------------- |
|
35 // CUpnpIconContentHandler::NewL |
|
36 // Two-phased constructor |
|
37 // ----------------------------------------------------------------------------- |
|
38 // |
|
39 CUpnpIconContentHandler* CUpnpIconContentHandler::NewL( |
|
40 CUpnpContentHandlersController& aController, CUpnpIcon& aResultIcon ) |
|
41 { |
|
42 CUpnpIconContentHandler* iconContentHandler = |
|
43 CUpnpIconContentHandler::NewLC( aController, aResultIcon ); |
|
44 CleanupStack::Pop( iconContentHandler ); |
|
45 return iconContentHandler; |
|
46 } |
|
47 |
|
48 // ----------------------------------------------------------------------------- |
|
49 // CUpnpIconContentHandler::NewLC |
|
50 // Two-phased constructor. Leaves teh object on the CleanupStack |
|
51 // ----------------------------------------------------------------------------- |
|
52 // |
|
53 CUpnpIconContentHandler* CUpnpIconContentHandler::NewLC( |
|
54 CUpnpContentHandlersController& aController, CUpnpIcon& aResultIcon ) |
|
55 { |
|
56 CUpnpIconContentHandler* iconContentHandler = |
|
57 new (ELeave) CUpnpIconContentHandler( aController, aResultIcon ); |
|
58 CleanupStack::PushL( iconContentHandler ); |
|
59 return iconContentHandler; |
|
60 } |
|
61 |
|
62 // ----------------------------------------------------------------------------- |
|
63 // CUpnpIconContentHandler::~CUpnpIconContentHandler |
|
64 // Destructor of CUpnpIconContentHandler class |
|
65 // ----------------------------------------------------------------------------- |
|
66 // |
|
67 CUpnpIconContentHandler::~CUpnpIconContentHandler() |
|
68 { |
|
69 } |
|
70 |
|
71 // ----------------------------------------------------------------------------- |
|
72 // CUpnpIconContentHandler::CUpnpIconContentHandler |
|
73 // Constructor |
|
74 // ----------------------------------------------------------------------------- |
|
75 // |
|
76 CUpnpIconContentHandler::CUpnpIconContentHandler( |
|
77 CUpnpContentHandlersController& aController, CUpnpIcon& aResultIcon ) : |
|
78 CUpnpContentHandler( aController ), iResultIcon( aResultIcon ), |
|
79 iCurrentState( EInitial ) |
|
80 { |
|
81 } |
|
82 |
|
83 // ----------------------------------------------------------------------------- |
|
84 // CUpnpIconContentHandler::OnStartElementL |
|
85 // This method is a callback to indicate an element has been parsed. |
|
86 // ----------------------------------------------------------------------------- |
|
87 // |
|
88 void CUpnpIconContentHandler::OnStartElementL( const RTagInfo& aElement, |
|
89 const RAttributeArray& /*aAttributes*/) |
|
90 { |
|
91 if ( EInitial == iCurrentState ) |
|
92 { |
|
93 const TDesC8& elementName(aElement.LocalName().DesC() ); |
|
94 if ( elementName.Compare( KUpnpMimetype ) == 0 ) |
|
95 { |
|
96 // RepeatedTagCheckL( EMimetypePos, iFoundTags ) NIY |
|
97 iCurrentState = EMimeType; |
|
98 } |
|
99 else if ( elementName.Compare( KUpnpWidth ) == 0 ) |
|
100 { |
|
101 // RepeatedTagCheckL( EWidthPos, iFoundTags ) NIY |
|
102 iCurrentState = EWidth; |
|
103 } |
|
104 else if ( elementName.Compare( KUpnpHeight ) == 0 ) |
|
105 { |
|
106 // RepeatedTagCheckL( EHeightPos, iFoundTags ) NIY |
|
107 iCurrentState = EHeight; |
|
108 } |
|
109 else if ( elementName.Compare( KUpnpDepth ) == 0 ) |
|
110 { |
|
111 // RepeatedTagCheckL( EDepthPos, iFoundTags ) NIY |
|
112 iCurrentState = EDepth; |
|
113 } |
|
114 else if ( elementName.Compare( KUpnpUrl ) == 0 ) |
|
115 { |
|
116 // RepeatedTagCheckL( EUrlPos, iFoundTags ) NIY |
|
117 iCurrentState = EUrl; |
|
118 } |
|
119 else |
|
120 { |
|
121 SetIgnoreHandlerL(); |
|
122 } |
|
123 } |
|
124 else |
|
125 { |
|
126 //User::Leave( KErrArgument ) |
|
127 SetIgnoreHandlerL(); |
|
128 } |
|
129 } |
|
130 |
|
131 // ----------------------------------------------------------------------------- |
|
132 // CUpnpIconContentHandler::OnEndElementL |
|
133 // This method is a callback to indicate the end of the element has been reached. |
|
134 // ----------------------------------------------------------------------------- |
|
135 // |
|
136 void CUpnpIconContentHandler::OnEndElementL( const RTagInfo& aElement ) |
|
137 { |
|
138 switch ( iCurrentState ) |
|
139 { |
|
140 case EInitial: |
|
141 ASSERT( aElement.LocalName().DesC().Compare( KUpnpIcon )==0 ); |
|
142 //if ( (iFoundTags.iFlags & KReqiuredTagsBoundary) == KReqiuredTagsBoundary ) |
|
143 //{ |
|
144 iController.SetPreviousContentHandler(); |
|
145 //} |
|
146 //else |
|
147 //{ |
|
148 //User::Leave( KErrArgument ) //required tag not found |
|
149 //} |
|
150 break; |
|
151 default: |
|
152 iCurrentState = EInitial; |
|
153 } |
|
154 } |
|
155 |
|
156 // ----------------------------------------------------------------------------- |
|
157 // CUpnpIconContentHandler::OnContentL |
|
158 // This method is a callback that sends the content of the element. |
|
159 // ----------------------------------------------------------------------------- |
|
160 // |
|
161 void CUpnpIconContentHandler::OnContentL( const TDesC8& aBytes ) |
|
162 { |
|
163 switch ( iCurrentState ) |
|
164 { |
|
165 case EMimeType: |
|
166 iResultIcon.SetMimeTypeL( aBytes ); |
|
167 break; |
|
168 case EWidth: |
|
169 iResultIcon.SetWidthL( ParseIntL( aBytes ) ); |
|
170 break; |
|
171 case EHeight: |
|
172 iResultIcon.SetHeightL( ParseIntL( aBytes ) ); |
|
173 break; |
|
174 case EDepth: |
|
175 iResultIcon.SetDepthL( ParseIntL( aBytes ) ); |
|
176 break; |
|
177 case EUrl: |
|
178 iResultIcon.SetUrlL( aBytes ); |
|
179 break; |
|
180 default: |
|
181 ASSERT( EInitial == iCurrentState ); |
|
182 //User::Leave(KErrArgument) |
|
183 break; |
|
184 } |
|
185 } |
|
186 |
|
187 // ----------------------------------------------------------------------------- |
|
188 // CUpnpIconContentHandler::ParseIntL |
|
189 // Parses and returns int value stored in descriptor, or leaves with KErrArgument |
|
190 // if parsing failes. |
|
191 // ----------------------------------------------------------------------------- |
|
192 // |
|
193 TInt CUpnpIconContentHandler::ParseIntL( const TDesC8& aToParse ) |
|
194 { |
|
195 TLex8 val(aToParse); |
|
196 TInt ret(0); |
|
197 TInt err = val.Val( ret ); |
|
198 // if ( err ) |
|
199 // { |
|
200 // User::Leave( KErrArgument ) no error checking for now |
|
201 // } |
|
202 return ret; |
|
203 } |
|
204 |
|
205 // End of File |