83
|
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: Transaction factory implementation
|
|
15 |
*
|
|
16 |
*/
|
|
17 |
|
|
18 |
|
|
19 |
#include "transactionfactoryimpl.h"
|
|
20 |
|
|
21 |
#include "transaction.h"
|
|
22 |
#include "texttransactionelement.h"
|
|
23 |
#include "databuffertransactionelement.h"
|
|
24 |
#include "imagetransactionelement.h"
|
|
25 |
#include "emptycontenttransactionelement.h"
|
|
26 |
#include "newstickertransactionelement.h"
|
|
27 |
#include "aixmluiconstants.h"
|
|
28 |
|
|
29 |
using namespace AiXmlUiController;
|
|
30 |
|
|
31 |
// ============================ MEMBER FUNCTIONS ===============================
|
|
32 |
|
|
33 |
CTransactionFactoryImpl::CTransactionFactoryImpl(
|
|
34 |
AiUtility::CContentPriorityMap& aContentPriorityMap,
|
|
35 |
CCssPropertyMap& aPropertyMap )
|
|
36 |
: iAvailableTransactions( CTransaction::FactoryLinkOffset() ),
|
|
37 |
iReservedTransactions( CTransaction::FactoryLinkOffset() ),
|
|
38 |
iAvailableElements( CTransactionElement::FactoryLinkOffset() ),
|
|
39 |
iReservedElements( CTransactionElement::FactoryLinkOffset() ),
|
|
40 |
iContentPriorityMap( aContentPriorityMap ),
|
|
41 |
iPropertyMap( aPropertyMap )
|
|
42 |
{
|
|
43 |
}
|
|
44 |
|
|
45 |
CTransactionFactoryImpl* CTransactionFactoryImpl::NewL(
|
|
46 |
AiUtility::CContentPriorityMap& aContentPriorityMap,
|
|
47 |
CCssPropertyMap& aPropertyMap )
|
|
48 |
{
|
|
49 |
CTransactionFactoryImpl* self =
|
|
50 |
new( ELeave ) CTransactionFactoryImpl( aContentPriorityMap,
|
|
51 |
aPropertyMap );
|
|
52 |
|
|
53 |
return self;
|
|
54 |
}
|
|
55 |
|
|
56 |
CTransactionFactoryImpl::~CTransactionFactoryImpl()
|
|
57 |
{
|
|
58 |
// Delete transaction objects
|
|
59 |
DeleteTransactionList( iAvailableTransactions );
|
|
60 |
DeleteTransactionList( iReservedTransactions );
|
|
61 |
|
|
62 |
// Delete transaction elements
|
|
63 |
DeleteElementList( iAvailableElements );
|
|
64 |
DeleteElementList( iReservedElements );
|
|
65 |
}
|
|
66 |
|
|
67 |
MTransaction* CTransactionFactoryImpl::CreateTransactionL( TInt aTxId )
|
|
68 |
{
|
|
69 |
CTransaction* tr = NULL;
|
|
70 |
|
|
71 |
if ( iAvailableTransactions.IsEmpty() ) // No free transactions
|
|
72 |
{
|
|
73 |
tr = CTransaction::NewL();
|
|
74 |
}
|
|
75 |
else
|
|
76 |
{
|
|
77 |
// Take first available transaction and remove from queue
|
|
78 |
tr = iAvailableTransactions.First();
|
|
79 |
iAvailableTransactions.Remove( *tr );
|
|
80 |
}
|
|
81 |
|
|
82 |
// Initialize with id
|
|
83 |
tr->Initialize(aTxId);
|
|
84 |
|
|
85 |
// Reserve
|
|
86 |
iReservedTransactions.AddFirst( *tr );
|
|
87 |
|
|
88 |
return tr;
|
|
89 |
}
|
|
90 |
|
|
91 |
void CTransactionFactoryImpl::ReleaseTransaction( MTransaction* aTransaction )
|
|
92 |
{
|
|
93 |
CTransaction* tr = dynamic_cast< CTransaction* >( aTransaction );
|
|
94 |
if ( tr )
|
|
95 |
{
|
|
96 |
// Reset transaction for reuse
|
|
97 |
tr->Reset( *this );
|
|
98 |
|
|
99 |
// Deque from reserved list
|
|
100 |
iReservedTransactions.Remove( *tr );
|
|
101 |
|
|
102 |
// Enque to available list
|
|
103 |
iAvailableTransactions.AddFirst( *tr );
|
|
104 |
}
|
|
105 |
}
|
|
106 |
|
|
107 |
MTransactionElement* CTransactionFactoryImpl::CreateTextTransactionElementL(
|
|
108 |
CXnNodeAppIf& aTarget,
|
|
109 |
const TDesC& aText,
|
|
110 |
TInt aPriority )
|
|
111 |
{
|
|
112 |
// Instantiate new element
|
|
113 |
CTextTransactionElement* element = NewInstanceL< CTextTransactionElement >();
|
|
114 |
|
|
115 |
CleanupStack::PushL( element );
|
|
116 |
|
|
117 |
// Initialize element
|
|
118 |
element->InitializeL( aTarget, aText );
|
|
119 |
|
|
120 |
CleanupStack::Pop( element );
|
|
121 |
|
|
122 |
// Reserve
|
|
123 |
iReservedElements.AddLast( *element );
|
|
124 |
|
|
125 |
// Set content priority
|
|
126 |
element->SetContentPriority( aPriority );
|
|
127 |
|
|
128 |
return element;
|
|
129 |
}
|
|
130 |
|
|
131 |
MTransactionElement*
|
|
132 |
CTransactionFactoryImpl::CreateDataBufferTransactionElementL(
|
|
133 |
CXnNodeAppIf& aTarget,
|
|
134 |
const TDesC8& aData,
|
|
135 |
TInt aPriority )
|
|
136 |
{
|
|
137 |
// Instantiate element
|
|
138 |
CDataBufferTransactionElement* element = NewInstanceL< CDataBufferTransactionElement >();
|
|
139 |
CleanupStack::PushL( element );
|
|
140 |
|
|
141 |
// Initialize
|
|
142 |
element->InitializeL( aTarget, aData );
|
|
143 |
CleanupStack::Pop( element );
|
|
144 |
|
|
145 |
// Reserve
|
|
146 |
iReservedElements.AddLast( *element );
|
|
147 |
|
|
148 |
// Set content priority
|
|
149 |
element->SetContentPriority( aPriority );
|
|
150 |
|
|
151 |
return element;
|
|
152 |
}
|
|
153 |
|
|
154 |
MTransactionElement*
|
|
155 |
CTransactionFactoryImpl::CreateDataBufferTransactionElementL(
|
|
156 |
CXnNodeAppIf& aTarget,
|
|
157 |
const TDesC8& aData,
|
|
158 |
TInt aPriority,
|
|
159 |
const TDesC& aCid,
|
|
160 |
TInt aIndex )
|
|
161 |
{
|
|
162 |
// Instantiate element
|
|
163 |
CDataBufferTransactionElement* element = NewInstanceL< CDataBufferTransactionElement >();
|
|
164 |
CleanupStack::PushL( element );
|
|
165 |
|
|
166 |
// Initialize
|
|
167 |
element->InitializeL( aTarget, aData, aCid, aIndex );
|
|
168 |
CleanupStack::Pop( element );
|
|
169 |
|
|
170 |
// Reserve
|
|
171 |
iReservedElements.AddLast( *element );
|
|
172 |
|
|
173 |
// Set content priority
|
|
174 |
element->SetContentPriority( aPriority );
|
|
175 |
|
|
176 |
return element;
|
|
177 |
}
|
|
178 |
|
|
179 |
MTransactionElement*
|
|
180 |
CTransactionFactoryImpl::CreateEmptyContentTransactionElementL(
|
|
181 |
CXnNodeAppIf& aTarget,
|
|
182 |
TInt aIndex)
|
|
183 |
{
|
|
184 |
// Instantiate
|
|
185 |
CEmptyContentTransactionElement* element = NewInstanceL< CEmptyContentTransactionElement >();
|
|
186 |
|
|
187 |
CleanupStack::PushL( element );
|
|
188 |
|
|
189 |
// Initialize
|
|
190 |
element->InitializeL( aTarget, aIndex );
|
|
191 |
|
|
192 |
CleanupStack::Pop( element );
|
|
193 |
|
|
194 |
// Reserve
|
|
195 |
iReservedElements.AddLast( *element );
|
|
196 |
|
|
197 |
return element;
|
|
198 |
}
|
|
199 |
|
|
200 |
MTransactionElement* CTransactionFactoryImpl::CreateImageTransactionElementL( CXnNodeAppIf& aTarget,
|
|
201 |
CGulIcon* aIcon,
|
|
202 |
TInt aPriority )
|
|
203 |
{
|
|
204 |
// Instantiate
|
|
205 |
CImageTransactionElement* element = NewInstanceL< CImageTransactionElement >();
|
|
206 |
|
|
207 |
CleanupStack::PushL( element );
|
|
208 |
|
|
209 |
// Initialize
|
|
210 |
element->InitializeL( aTarget, aIcon );
|
|
211 |
|
|
212 |
CleanupStack::Pop( element );
|
|
213 |
|
|
214 |
// Reserve
|
|
215 |
iReservedElements.AddLast( *element );
|
|
216 |
|
|
217 |
// Set priority
|
|
218 |
element->SetContentPriority( aPriority );
|
|
219 |
|
|
220 |
return element;
|
|
221 |
}
|
|
222 |
|
|
223 |
MTransactionElement* CTransactionFactoryImpl::CreateImageTransactionElementL(
|
|
224 |
CXnNodeAppIf& aTarget,
|
|
225 |
RFile& aFile,
|
|
226 |
TInt aPriority )
|
|
227 |
{
|
|
228 |
// Instantiate
|
|
229 |
CImageTransactionElement* element = NewInstanceL< CImageTransactionElement >();
|
|
230 |
|
|
231 |
CleanupStack::PushL( element );
|
|
232 |
|
|
233 |
// Initialize
|
|
234 |
element->InitializeL( aTarget, aFile );
|
|
235 |
|
|
236 |
CleanupStack::Pop( element );
|
|
237 |
|
|
238 |
// Reserve
|
|
239 |
iReservedElements.AddLast( *element );
|
|
240 |
|
|
241 |
// Set priority
|
|
242 |
element->SetContentPriority( aPriority );
|
|
243 |
|
|
244 |
return element;
|
|
245 |
}
|
|
246 |
|
|
247 |
MTransactionElement* CTransactionFactoryImpl::CreateNewsTickerTransactionElementL(
|
|
248 |
CXnNodeAppIf& aTarget,
|
|
249 |
const TDesC& aText,
|
|
250 |
TInt aPriority,
|
|
251 |
TInt aIndex )
|
|
252 |
{
|
|
253 |
// Instantiate new element
|
|
254 |
CNewsTickerTransactionElement* element = NewInstanceL< CNewsTickerTransactionElement >();
|
|
255 |
|
|
256 |
CleanupStack::PushL( element );
|
|
257 |
|
|
258 |
// Initialize element
|
|
259 |
element->InitializeL( aTarget, aText, aIndex );
|
|
260 |
|
|
261 |
CleanupStack::Pop( element );
|
|
262 |
|
|
263 |
// Reserve
|
|
264 |
iReservedElements.AddLast( *element );
|
|
265 |
|
|
266 |
// Set content priority
|
|
267 |
element->SetContentPriority( aPriority );
|
|
268 |
|
|
269 |
return element;
|
|
270 |
}
|
|
271 |
|
|
272 |
void CTransactionFactoryImpl::ReleaseTransactionElement( MTransactionElement* aElement)
|
|
273 |
{
|
|
274 |
CTransactionElement* element = dynamic_cast< CTransactionElement* >( aElement );
|
|
275 |
|
|
276 |
if ( element )
|
|
277 |
{
|
|
278 |
// Reset element
|
|
279 |
element->Reset();
|
|
280 |
|
|
281 |
// Move element from reserved list to available
|
|
282 |
iReservedElements.Remove( *element );
|
|
283 |
iAvailableElements.AddFirst( *element );
|
|
284 |
}
|
|
285 |
}
|
|
286 |
|
|
287 |
TBool CTransactionFactoryImpl::IsSupported( CXnNodeAppIf& aTarget, const TDesC8& aContentType )
|
|
288 |
{
|
|
289 |
// Check if target node and content type is supported
|
|
290 |
if ( aContentType == KContentTypeText )
|
|
291 |
{
|
|
292 |
return CTextTransactionElement::IsSupported( aTarget ) || CNewsTickerTransactionElement::IsSupported( aTarget );
|
|
293 |
}
|
|
294 |
else if ( aContentType == KContentTypeBitmap )
|
|
295 |
{
|
|
296 |
return CImageTransactionElement::IsSupported( aTarget );
|
|
297 |
}
|
|
298 |
else
|
|
299 |
{
|
|
300 |
return CDataBufferTransactionElement::IsSupported( aTarget, aContentType );
|
|
301 |
}
|
|
302 |
}
|
|
303 |
|
|
304 |
template< class T > T* CTransactionFactoryImpl::NewInstanceL()
|
|
305 |
{
|
|
306 |
T* instance = NULL;
|
|
307 |
|
|
308 |
// Iterate list of transaction elements
|
|
309 |
TSglQueIter< CTransactionElement > iter( iAvailableElements );
|
|
310 |
iter.SetToFirst();
|
|
311 |
|
|
312 |
while ( iter )
|
|
313 |
{
|
|
314 |
instance = dynamic_cast< T* >( iter++ ); // NULL if not T*
|
|
315 |
|
|
316 |
if ( instance )
|
|
317 |
{
|
|
318 |
// Deque first instance of class T and quit
|
|
319 |
iAvailableElements.Remove( *instance );
|
|
320 |
return instance;
|
|
321 |
}
|
|
322 |
}
|
|
323 |
|
|
324 |
// Not found from list. Instantiate
|
|
325 |
instance = T::NewL(iContentPriorityMap);
|
|
326 |
instance->SetCssPropertyMap( &iPropertyMap );
|
|
327 |
|
|
328 |
return instance;
|
|
329 |
}
|
|
330 |
|
|
331 |
void CTransactionFactoryImpl::DeleteTransactionList( TSglQue< CTransaction >& aList )
|
|
332 |
{
|
|
333 |
TSglQueIter< CTransaction > trIter( aList );
|
|
334 |
trIter.SetToFirst();
|
|
335 |
|
|
336 |
while (trIter)
|
|
337 |
{
|
|
338 |
// Get first transaction and remove it from the list
|
|
339 |
CTransaction* first = trIter++;
|
|
340 |
aList.Remove( *first );
|
|
341 |
|
|
342 |
// Delete
|
|
343 |
first->Reset( *this );
|
|
344 |
delete first;
|
|
345 |
}
|
|
346 |
}
|
|
347 |
|
|
348 |
void CTransactionFactoryImpl::DeleteElementList( TSglQue< CTransactionElement >& aList )
|
|
349 |
{
|
|
350 |
TSglQueIter< CTransactionElement > iter( aList );
|
|
351 |
iter.SetToFirst();
|
|
352 |
|
|
353 |
while ( iter )
|
|
354 |
{
|
|
355 |
CTransactionElement* element = iter++;
|
|
356 |
aList.Remove( *element );
|
|
357 |
|
|
358 |
delete element;
|
|
359 |
}
|
|
360 |
}
|
|
361 |
|
|
362 |
// End of File
|