83
|
1 |
/*
|
|
2 |
* Copyright (c) 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:
|
|
15 |
* Defines an ordered list of widget id's with persistence capability
|
|
16 |
*
|
|
17 |
*/
|
|
18 |
|
|
19 |
// INCLUDES
|
|
20 |
#include <s32file.h> // RFile
|
|
21 |
#include <s32std.h> // streams
|
|
22 |
#include <driveinfo.h>
|
|
23 |
#include <sysutil.h>
|
|
24 |
|
|
25 |
#include "wmwidgetdata.h"
|
|
26 |
#include "wmwidgetorderdata.h"
|
|
27 |
#include "wmpersistentwidgetorder.h"
|
|
28 |
|
|
29 |
// CONSTANTS
|
|
30 |
_LIT( KStoreFileName, "wmlistorder.dat" );
|
|
31 |
|
|
32 |
|
|
33 |
// ---------------------------------------------------------
|
|
34 |
// CWmPersistentWidgetOrder::NewL
|
|
35 |
// ---------------------------------------------------------
|
|
36 |
//
|
|
37 |
CWmPersistentWidgetOrder* CWmPersistentWidgetOrder::NewL( RFs& aFs )
|
|
38 |
{
|
|
39 |
CWmPersistentWidgetOrder* self =
|
|
40 |
new (ELeave) CWmPersistentWidgetOrder( aFs );
|
|
41 |
CleanupStack::PushL( self );
|
|
42 |
self->ConstructL();
|
|
43 |
CleanupStack::Pop( self );
|
|
44 |
return self;
|
|
45 |
}
|
|
46 |
|
|
47 |
// ---------------------------------------------------------
|
|
48 |
// CWmPersistentWidgetOrder::CWmPersistentWidgetOrder
|
|
49 |
// ---------------------------------------------------------
|
|
50 |
//
|
|
51 |
CWmPersistentWidgetOrder::CWmPersistentWidgetOrder( RFs& aFs )
|
|
52 |
: iFs( aFs )
|
|
53 |
{
|
|
54 |
}
|
|
55 |
|
|
56 |
// ---------------------------------------------------------
|
|
57 |
// CWmPersistentWidgetOrder::ConstructL
|
|
58 |
// ---------------------------------------------------------
|
|
59 |
//
|
|
60 |
void CWmPersistentWidgetOrder::ConstructL()
|
|
61 |
{
|
|
62 |
}
|
|
63 |
|
|
64 |
// ---------------------------------------------------------
|
|
65 |
// CWmPersistentWidgetOrder::~CWmPersistentWidgetOrder
|
|
66 |
// ---------------------------------------------------------
|
|
67 |
//
|
|
68 |
CWmPersistentWidgetOrder::~CWmPersistentWidgetOrder()
|
|
69 |
{
|
|
70 |
CleanupArray();
|
|
71 |
iTagArray.Close();
|
|
72 |
}
|
|
73 |
|
|
74 |
// ---------------------------------------------------------
|
|
75 |
// CWmPersistentWidgetOrder::LoadL
|
|
76 |
// ---------------------------------------------------------
|
|
77 |
//
|
|
78 |
void CWmPersistentWidgetOrder::LoadL()
|
|
79 |
{
|
|
80 |
// 1. empty the in-mempory storage
|
|
81 |
CleanupArray();
|
|
82 |
// 2. create stream for reading data from a file
|
|
83 |
TFileName storeFileName;
|
|
84 |
GetStoreFileNameL( storeFileName );
|
|
85 |
CPermanentFileStore* fileStore = NULL;
|
|
86 |
fileStore = CPermanentFileStore::OpenL(
|
|
87 |
iFs, storeFileName, EFileRead );
|
|
88 |
CleanupStack::PushL( fileStore );
|
|
89 |
RStoreReadStream reader;
|
|
90 |
reader.OpenLC( *fileStore, fileStore->Root() );
|
|
91 |
// 3. read all contents from the stream
|
|
92 |
TInt arrayCount = reader.ReadInt32L();
|
|
93 |
while( iTagArray.Count() < arrayCount )
|
|
94 |
{
|
|
95 |
TInt32 uid = reader.ReadInt32L();
|
|
96 |
TInt32 publisherIdLen = reader.ReadInt32L();
|
|
97 |
HBufC16* publisherId = HBufC16::NewLC(publisherIdLen);
|
|
98 |
TPtr16 publisherIdPtr = publisherId->Des();
|
|
99 |
reader.ReadL( publisherIdPtr, publisherIdLen );
|
|
100 |
iTagArray.AppendL( Tag( uid, publisherId ) );
|
|
101 |
CleanupStack::Pop( publisherId );
|
|
102 |
}
|
|
103 |
// 4. cleanup
|
|
104 |
CleanupStack::PopAndDestroy( &reader );
|
|
105 |
CleanupStack::PopAndDestroy( fileStore );
|
|
106 |
}
|
|
107 |
|
|
108 |
// ---------------------------------------------------------
|
|
109 |
// CWmPersistentWidgetOrder::StoreL
|
|
110 |
// ---------------------------------------------------------
|
|
111 |
//
|
|
112 |
void CWmPersistentWidgetOrder::StoreL( const ROrderArray& aArray )
|
|
113 |
{
|
|
114 |
|
|
115 |
// 1. create stream for storing the data to a file
|
|
116 |
TFileName storeFileName;
|
|
117 |
GetStoreFileNameL( storeFileName );
|
|
118 |
CPermanentFileStore* fileStore = NULL;
|
|
119 |
fileStore = CPermanentFileStore::ReplaceLC(
|
|
120 |
iFs, storeFileName, EFileWrite );
|
|
121 |
|
|
122 |
if ( fileStore )
|
|
123 |
{
|
|
124 |
fileStore->SetTypeL( KPermanentFileStoreLayoutUid );
|
|
125 |
RStoreWriteStream writer;
|
|
126 |
TStreamId id = writer.CreateLC( *fileStore );
|
|
127 |
|
|
128 |
// 2. write all content to the stream
|
|
129 |
writer.WriteInt32L( aArray.Count() );
|
|
130 |
for( TInt i=0; i<aArray.Count(); ++i )
|
|
131 |
{
|
|
132 |
CWmWidgetOrderData* data = aArray[i];
|
|
133 |
|
|
134 |
if ( !data )
|
|
135 |
{
|
|
136 |
User::Leave( KErrArgument );
|
|
137 |
}
|
|
138 |
TInt32 uid = data->Uid().iUid;
|
|
139 |
const TDesC16& publisherId = data->PublisherId();
|
|
140 |
writer.WriteInt32L( uid );
|
|
141 |
writer.WriteInt32L( publisherId.Length() );
|
|
142 |
writer.WriteL( publisherId, publisherId.Length() );
|
|
143 |
|
|
144 |
}
|
|
145 |
// 3. check available space and commit the stream
|
|
146 |
TInt streamsize = writer.Sink()->SizeL();
|
|
147 |
TBool belowCriticalLevel = SysUtil::DiskSpaceBelowCriticalLevelL(
|
|
148 |
&iFs, streamsize, EDriveC );
|
|
149 |
|
|
150 |
if( !belowCriticalLevel )
|
|
151 |
{
|
|
152 |
writer.CommitL();
|
|
153 |
fileStore->SetRootL(id);
|
|
154 |
fileStore->CommitL();
|
|
155 |
}
|
|
156 |
|
|
157 |
// 4. cleanup
|
|
158 |
CleanupStack::PopAndDestroy( &writer );
|
|
159 |
CleanupStack::PopAndDestroy( fileStore );
|
|
160 |
}
|
|
161 |
|
|
162 |
}
|
|
163 |
|
|
164 |
// ---------------------------------------------------------
|
|
165 |
// CWmPersistentWidgetOrder::CleanupArray
|
|
166 |
// ---------------------------------------------------------
|
|
167 |
//
|
|
168 |
void CWmPersistentWidgetOrder::CleanupArray()
|
|
169 |
{
|
|
170 |
for( TInt i=0; i<iTagArray.Count(); ++i )
|
|
171 |
{
|
|
172 |
delete iTagArray[i].iPublisherId;
|
|
173 |
iTagArray[i].iPublisherId = NULL;
|
|
174 |
}
|
|
175 |
iTagArray.Reset();
|
|
176 |
}
|
|
177 |
|
|
178 |
// ---------------------------------------------------------
|
|
179 |
// CWmPersistentWidgetOrder::GetStoreFileNameL
|
|
180 |
// ---------------------------------------------------------
|
|
181 |
//
|
|
182 |
void CWmPersistentWidgetOrder::GetStoreFileNameL(
|
|
183 |
TDes& aPathBuf )
|
|
184 |
{
|
|
185 |
// get default drive for phone memory
|
|
186 |
TInt driveNum = EDriveC;
|
|
187 |
User::LeaveIfError( DriveInfo::GetDefaultDrive(
|
|
188 |
DriveInfo::EDefaultPhoneMemory, driveNum ) );
|
|
189 |
// make sure the directory exists
|
|
190 |
iFs.CreatePrivatePath( driveNum ); // ignore errors
|
|
191 |
// build the store path
|
|
192 |
TChar driveLetter;
|
|
193 |
User::LeaveIfError( iFs.DriveToChar( driveNum, driveLetter ) );
|
|
194 |
aPathBuf.Append( driveLetter );
|
|
195 |
aPathBuf.Append( _L(":") );
|
|
196 |
TFileName privatePath;
|
|
197 |
User::LeaveIfError( iFs.PrivatePath( privatePath ) );
|
|
198 |
aPathBuf.Append( privatePath );
|
|
199 |
aPathBuf.Append( KStoreFileName );
|
|
200 |
}
|
|
201 |
|
|
202 |
// ---------------------------------------------------------
|
|
203 |
// CWmPersistentWidgetOrder::IndexOf
|
|
204 |
// ---------------------------------------------------------
|
|
205 |
//
|
|
206 |
TInt CWmPersistentWidgetOrder::IndexOf( const CWmWidgetData& aWidgetData ) const
|
|
207 |
{
|
|
208 |
TInt found = KErrNotFound;
|
|
209 |
for( TInt i=0; i<iTagArray.Count() && found<0; ++i )
|
|
210 |
{
|
|
211 |
if ( iTagArray[i].Matches( aWidgetData ) )
|
|
212 |
found = i;
|
|
213 |
}
|
|
214 |
return found;
|
|
215 |
}
|
|
216 |
|
|
217 |
// ---------------------------------------------------------
|
|
218 |
// CWmPersistentWidgetOrder::IsEmpty
|
|
219 |
// ---------------------------------------------------------
|
|
220 |
//
|
|
221 |
TBool CWmPersistentWidgetOrder::IsEmpty() const
|
|
222 |
{
|
|
223 |
return iTagArray.Count() == 0;
|
|
224 |
}
|
|
225 |
|
|
226 |
// ---------------------------------------------------------
|
|
227 |
// CWmPersistentWidgetOrder::IndexOf
|
|
228 |
// ---------------------------------------------------------
|
|
229 |
//
|
|
230 |
TInt CWmPersistentWidgetOrder::IndexOf(
|
|
231 |
const CWmWidgetOrderData& aWidgetOrder ) const
|
|
232 |
{
|
|
233 |
TInt found = KErrNotFound;
|
|
234 |
for( TInt i=0; i<iTagArray.Count() && found<0; ++i )
|
|
235 |
{
|
|
236 |
if ( iTagArray[i].Matches( aWidgetOrder ) )
|
|
237 |
found = i;
|
|
238 |
}
|
|
239 |
return found;
|
|
240 |
}
|
|
241 |
|
|
242 |
// ---------------------------------------------------------
|
|
243 |
// CWmPersistentWidgetOrder::Tag::Tag
|
|
244 |
// ---------------------------------------------------------
|
|
245 |
//
|
|
246 |
CWmPersistentWidgetOrder::Tag::Tag(
|
|
247 |
TInt32 aUid, HBufC16* aPublisherId )
|
|
248 |
{
|
|
249 |
iUid = aUid;
|
|
250 |
iPublisherId = aPublisherId;
|
|
251 |
}
|
|
252 |
|
|
253 |
// ---------------------------------------------------------
|
|
254 |
// CWmPersistentWidgetOrder::Tag::Matches
|
|
255 |
// ---------------------------------------------------------
|
|
256 |
//
|
|
257 |
TBool CWmPersistentWidgetOrder::Tag::Matches(
|
|
258 |
const CWmWidgetData& aWidgetData ) const
|
|
259 |
{
|
|
260 |
return ( aWidgetData.Uid().iUid == iUid &&
|
|
261 |
aWidgetData.HsContentInfo().PublisherId() == *iPublisherId );
|
|
262 |
}
|
|
263 |
|
|
264 |
// ---------------------------------------------------------
|
|
265 |
// CWmPersistentWidgetOrder::Tag::Matches
|
|
266 |
// ---------------------------------------------------------
|
|
267 |
//
|
|
268 |
TBool CWmPersistentWidgetOrder::Tag::Matches(
|
|
269 |
const CWmWidgetOrderData& aWidgetOrder ) const
|
|
270 |
{
|
|
271 |
return ( aWidgetOrder.Uid().iUid == iUid &&
|
|
272 |
aWidgetOrder.PublisherId() == *iPublisherId );
|
|
273 |
}
|
|
274 |
|
|
275 |
// end of file
|