author | andy simpson <andrews@symbian.org> |
Mon, 25 Oct 2010 14:57:38 +0100 | |
branch | RCL_3 |
changeset 126 | f24e086457b7 |
parent 55 | 33ddb261ab37 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). |
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* All rights reserved. |
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* This component and the accompanying materials are made available |
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* under the terms of "Eclipse Public License v1.0" |
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* which accompanies this distribution, and is available |
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* at the URL "http://www.eclipse.org/legal/epl-v10.html". |
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* |
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* Initial Contributors: |
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* Nokia Corporation - initial contribution. |
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* |
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* Contributors: |
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* |
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* Description: Dynamic bitmap caching, SVG DOM tree precaching. |
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* |
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*/ |
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|
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|
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|
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// INCLUDE FILES |
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#include <e32std.h> |
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#include <fbs.h> |
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#include <barsread.h> |
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#include <barsc.h> |
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// Skin server client |
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#include <AknsSrvClient.h> |
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#include <akniconsrv.rsg> |
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#include <mifconvdefs.h> |
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#include <mifconvdefs.h> |
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|
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#include "AknIconSrvCache.h" |
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#include "AknIconSrv.h" |
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#include "AknIconSrvIconItem.h" |
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#include "AknIconSrvPanic.h" |
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#include "AknIconSrvScheduler.h" |
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#include "AknIconTraces.h" |
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|
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#ifdef PRECACHE2 |
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#include "AknIconSrvPrecacher.h" |
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#endif |
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|
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|
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// CONSTANTS |
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|
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// Contains cache configuration, non localized resource file. |
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|
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_LIT( KAknIconResourceFile, "z:\\resource\\akniconsrv.rsc" ); |
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#ifdef PRECACHE2 |
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_LIT( KPrecacheThreadName2, "AknIconPrecache2" ); |
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#endif |
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|
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// ================= MEMBER FUNCTIONS ========================================== |
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|
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CAknIconSrvCache::CAknIconSrvCache( CAknIconServer& aServer ) : |
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iDynamicallyCached( 8 ), iServer( aServer ) |
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{ |
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} |
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|
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CAknIconSrvCache::~CAknIconSrvCache() |
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{ |
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iDynamicallyCached.Close(); |
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iPrecache.Close(); |
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|
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|
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} |
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|
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CAknIconSrvCache* CAknIconSrvCache::NewL( CAknIconServer& aServer ) |
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{ |
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CAknIconSrvCache* self = new( ELeave ) CAknIconSrvCache( aServer ); |
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CleanupStack::PushL( self ); |
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self->ConstructL(); |
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CleanupStack::Pop(); |
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|
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return self; |
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} |
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|
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TDisplayMode MapConfigToDspMode(TInt aValue) |
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{ |
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if ( aValue == 0 ) // value documented in the resource file |
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{ |
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return EColor64K; |
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} |
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else if ( aValue == 2 ) // value documented in the resource file |
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{ |
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return EColor16MU; |
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} |
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// Default to EColor16M, which is fastest to render alpha-blended. |
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else |
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{ |
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return EColor16M; |
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} |
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} |
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|
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TDisplayMode MapConfigToMaskMode(TInt aValue) |
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{ |
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if ( aValue == 0 ) // value documented in the resource file |
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{ |
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return EGray2; |
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} |
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// Default to EGray256 |
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else |
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{ |
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return EGray256; |
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} |
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} |
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|
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107 |
TInt ReadConfigValue32L(const RResourceFile& aFile, TInt aResourceId) |
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108 |
{ |
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109 |
TInt var; |
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110 |
TPckg<TInt> pack( var ); |
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111 |
aFile.ReadL( pack, aResourceId ); |
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112 |
return var; |
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113 |
} |
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114 |
|
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115 |
#ifdef PRECACHE2 |
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116 |
void DoPrecache2L( TAny* aParameters ) |
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117 |
{ |
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118 |
CAknIconSrvPrecacher* cacher = NULL; |
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119 |
cacher = CAknIconSrvPrecacher::NewL(*(static_cast<CAknIconServer*>( aParameters )) ); |
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120 |
cacher->Start(); |
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121 |
delete cacher; |
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122 |
} |
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123 |
|
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124 |
GLDEF_C TInt PrecacheThreadFunction2( TAny* aParameters ) |
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125 |
{ |
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126 |
|
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127 |
CTrapCleanup* cleanup = CTrapCleanup::New(); |
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128 |
CActiveScheduler* scheduler = new CActiveScheduler; |
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129 |
if(!scheduler) |
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130 |
{ |
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131 |
delete cleanup; |
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132 |
return KErrBadHandle; |
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133 |
} |
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134 |
CActiveScheduler::Install( scheduler ); |
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135 |
TInt err = KErrNone; |
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136 |
TRAP(err,DoPrecache2L(aParameters)); |
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137 |
delete scheduler; |
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138 |
delete cleanup; |
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139 |
|
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140 |
|
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141 |
|
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142 |
return err; |
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143 |
} |
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144 |
#endif // PRECACHE2 |
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145 |
void CAknIconSrvCache::ConstructL() |
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146 |
{ |
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147 |
#ifdef PRECACHE2 |
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148 |
User::LeaveIfError( iServer.iPreCacheThread.Create( |
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149 |
KPrecacheThreadName2, |
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150 |
PrecacheThreadFunction2, |
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151 |
0x2000, // stack size |
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152 |
NULL, // uses caller thread's heap |
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153 |
(TAny*)&iServer ) ); |
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154 |
iServer.iPreCacheThread.SetPriority(KPreCache2Priority); |
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155 |
iServer.iPreCacheThread.Resume(); |
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156 |
#endif // PRECACHE2 |
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157 |
// Read resource file configuration. |
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158 |
RResourceFile file; |
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159 |
// Also prepare to the case that the resource file does not exist. |
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160 |
TRAPD( err, file.OpenL( iServer.FsSession(), KAknIconResourceFile ) ); |
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161 |
|
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162 |
|
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163 |
|
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164 |
|
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165 |
if ( err == KErrNone ) |
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166 |
{ |
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167 |
CleanupClosePushL( file ); |
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168 |
|
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169 |
// Read bitmap compression config and set server variable. |
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170 |
TUint8 var1; |
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171 |
TPckg<TUint8> pack1( var1 ); |
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172 |
file.ReadL( pack1, R_COMPRESS_BITMAPS ); |
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173 |
iServer.iCompression = var1; |
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174 |
|
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175 |
// read bitmap depth configs and set the server values |
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176 |
TInt value = ReadConfigValue32L(file, R_PREFERRED_ICON_DEPTH); |
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177 |
iServer.iIconMode = MapConfigToDspMode(value); |
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178 |
|
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179 |
value = ReadConfigValue32L(file, R_PREFERRED_ICON_MASK_DEPTH); |
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180 |
iServer.iIconMaskMode = MapConfigToMaskMode(value); |
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|
181 |
|
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182 |
value = ReadConfigValue32L(file, R_PREFERRED_PHOTO_DEPTH); |
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183 |
iServer.iPhotoMode = MapConfigToDspMode(value); |
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184 |
|
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185 |
value = ReadConfigValue32L(file, R_PREFERRED_VIDEO_DEPTH); |
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186 |
iServer.iVideoMode = MapConfigToDspMode(value); |
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187 |
|
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188 |
value = ReadConfigValue32L(file, R_PREFERRED_OFFSCREEN_DEPTH); |
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189 |
iServer.iOffscreenMode = MapConfigToDspMode(value); |
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190 |
|
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191 |
value = ReadConfigValue32L(file, R_PREFERRED_OFFSCREEN_MASK_DEPTH); |
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192 |
iServer.iOffscreenMaskMode = MapConfigToMaskMode(value); |
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193 |
|
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|
194 |
|
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195 |
|
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196 |
|
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197 |
TPckg<TInt> pack3( iConfiguredMaxDynamicCacheSize ); |
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198 |
file.ReadL( pack3, R_MAX_DYNAMIC_CACHE_SIZE ); |
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|
199 |
EnableCache( ETrue ); |
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|
200 |
|
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|
201 |
|
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202 |
|
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203 |
CleanupStack::PopAndDestroy( 1); // file |
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204 |
} |
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205 |
|
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206 |
|
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207 |
// If no thread launched, complete request immediately. |
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208 |
TRequestStatus* status = &( iServer.ThreadLaunchStatus() ); |
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209 |
User::RequestComplete( status, KErrNone ); |
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210 |
|
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211 |
|
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} |
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|
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// ----------------------------------------------------------------------------- |
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// CAknIconSrvCache::CacheUnusedIcon |
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// |
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// Caches an icon (in bitmap form) that has just become unused. |
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// ----------------------------------------------------------------------------- |
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// |
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TBool CAknIconSrvCache::CacheUnusedIcon( CAknIconSrvIconItem& aItem ) |
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{ |
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// If cache size is set to zero, return EFalse always. |
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#ifdef __AKNICON_TRACES |
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RDebug::Print( _L("AknIcon: %x CAknIconSrvCache::CacheUnusedIcon: iMaxDynamicCacheSize=%d"), this, iMaxDynamicCacheSize); |
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#endif |
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if ( !iMaxDynamicCacheSize ) |
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{ |
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return EFalse; |
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} |
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235 |
|
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TBool ret = EFalse; |
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TInt lCacheSize = iDynamicCacheSize + iPrecacheSize ; |
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TInt iconDataSize = IconDataSize( aItem ); |
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if ( iconDataSize <= iMaxDynamicCacheSize ) |
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240 |
{ |
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// If reached max size of the dynamic cache UpdateDynamicCacheSize. |
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242 |
|
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if (lCacheSize + iconDataSize > iMaxDynamicCacheSize) |
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{ |
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UpdateDynamicCacheSize(); |
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} |
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247 |
|
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// If reached max size of the dynamic cache, |
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// remove older cached items. |
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while ( iDynamicallyCached.Count() > 0 && |
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lCacheSize + iconDataSize > iMaxDynamicCacheSize ) |
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{ |
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CAknIconSrvIconItem* oldest = iDynamicallyCached[0]; |
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254 |
|
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iDynamicCacheSize -= IconDataSize( *oldest ); |
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iDynamicallyCached.Remove( 0 ); |
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iServer.RemoveCachedItem( *oldest ); |
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|
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if (!iDynamicallyCached.Count()) |
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{ |
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#ifdef __AKNICON_TRACES |
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RDebug::Print( _L("AknIcon: %x CAknIconSrvCache::CacheUnusedIcon: reset iDynamicCacheSize=%d to 0"), this, iDynamicCacheSize); |
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#endif |
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iDynamicCacheSize = 0; |
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} |
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lCacheSize = iDynamicCacheSize + iPrecacheSize ; |
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} |
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// If dynamic cache is empty |
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// but precache size is greater than maxcachesize |
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// and Precache has some items |
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// and the new item to be added is a precache item |
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// delete the older precache items |
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if (iDynamicallyCached.Count() == 0) |
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274 |
{ |
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while ( iPrecacheSize + iconDataSize > iMaxDynamicCacheSize |
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&& iPrecache.Count() > 0 |
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&& aItem.iPrecacheItem) |
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278 |
{ |
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CAknIconSrvIconItem* oldest = iPrecache[0]; |
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280 |
|
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iPrecacheSize -= IconDataSize( *oldest ); |
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iPrecache.Remove( 0 ); |
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iServer.RemoveCachedItem( *oldest ); |
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284 |
|
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if (!iPrecache.Count()) |
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286 |
{ |
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287 |
#ifdef __AKNICON_TRACES |
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RDebug::Print( _L("AknIcon: %x CAknIconSrvCache::CacheUnusedIcon: reset iDynamicCacheSize=%d to 0"), this, iPrecacheSize); |
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#endif |
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iPrecacheSize = 0; |
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291 |
} |
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292 |
|
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293 |
} |
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294 |
} |
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|
295 |
|
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296 |
// this check is needed for one case only |
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// if the cache is filled with precache items, dynamic cache is empty |
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298 |
// and a non precache item wants to be put in cache |
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299 |
// then dont put it |
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//Insert into dynamicCache or Precache |
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301 |
if(lCacheSize + iconDataSize <= iMaxDynamicCacheSize ) |
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302 |
{ |
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303 |
TInt lError; |
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304 |
if(aItem.iPrecacheItem) |
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305 |
{ |
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|
306 |
lError = iPrecache.Append(&aItem); |
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307 |
} |
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308 |
else |
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309 |
{ |
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310 |
lError = iDynamicallyCached.Append(&aItem); |
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311 |
} |
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312 |
|
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313 |
// If no error encountered in insertion |
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// set icon as cached |
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315 |
if(lError == KErrNone) |
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|
316 |
{ |
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|
317 |
aItem.SetCached(); |
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|
318 |
if(aItem.iPrecacheItem) |
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|
319 |
{ |
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|
320 |
iPrecacheSize += iconDataSize; |
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|
321 |
} |
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|
322 |
else |
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|
323 |
{ |
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|
324 |
iDynamicCacheSize += iconDataSize; |
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|
325 |
} |
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|
326 |
ret = ETrue; |
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|
327 |
} |
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|
328 |
} |
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|
329 |
} |
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|
330 |
|
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|
331 |
// If return ETrue, the server keeps the icon loaded even though the user |
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|
332 |
// count went to zero. |
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|
333 |
#ifdef __AKNICON_TRACES |
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|
334 |
RDebug::Print( _L("AknIcon: %x CAknIconSrvCache::CacheUnusedIcon: ret=%d"), this, ret); |
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|
335 |
#endif |
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|
336 |
return ret; |
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|
337 |
} |
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|
338 |
|
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|
339 |
// ----------------------------------------------------------------------------- |
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|
340 |
// CAknIconSrvCache::UpdateDynamicCacheSize |
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|
341 |
// |
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|
342 |
// Updates iDynamicCacheSize because its value could be deteriorated over time |
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|
343 |
// due to background bitmap compression. |
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|
344 |
// ----------------------------------------------------------------------------- |
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|
345 |
// |
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|
346 |
void CAknIconSrvCache::UpdateDynamicCacheSize() |
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|
347 |
{ |
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|
348 |
#ifdef __AKNICON_TRACES |
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|
349 |
RDebug::Print( _L("AknIcon: %x CAknIconSrvCache::UpdateDynamicCacheSize: old iDynamicCacheSize=%d, iServer.iCompression=%d"), this, iDynamicCacheSize, iServer.iCompression); |
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|
350 |
#endif |
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diff
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|
351 |
// Recalculate iDynamicCacheSize only if bitmap compression is enabled |
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|
352 |
if (iServer.iCompression) |
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|
353 |
{ |
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|
354 |
iDynamicCacheSize = 0; |
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diff
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|
355 |
for(TInt i = 0; i < iDynamicallyCached.Count(); i++) |
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|
356 |
{ |
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|
357 |
iDynamicCacheSize += IconDataSize(*iDynamicallyCached[i]); |
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|
358 |
} |
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|
359 |
} |
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diff
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|
360 |
#ifdef __AKNICON_TRACES |
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|
361 |
RDebug::Print( _L("AknIcon: %x CAknIconSrvCache::UpdateDynamicCacheSize: new iDynamicCacheSize=%d"), this, iDynamicCacheSize); |
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|
362 |
#endif |
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|
363 |
|
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|
364 |
} |
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diff
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|
365 |
// ----------------------------------------------------------------------------- |
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|
366 |
// CAknIconSrvCache::RemoveIfCached |
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|
367 |
// ----------------------------------------------------------------------------- |
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|
368 |
// |
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|
369 |
void CAknIconSrvCache::RemoveIfCached( CAknIconSrvIconItem& aItem ) |
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|
370 |
{ |
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Revision: 200949
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diff
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|
371 |
if ( aItem.IsCached() ) |
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diff
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|
372 |
{ |
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|
373 |
// search for item in iDynamicallyCached & iPrecache |
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Revision: 200949
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diff
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|
374 |
TInt lDynamicIndex = iDynamicallyCached.Find( &aItem ); |
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diff
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|
375 |
TInt lPrecacheIndex = iPrecache.Find(&aItem); |
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diff
changeset
|
376 |
|
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|
377 |
__ASSERT_DEBUG( lDynamicIndex >= 0 || lPrecacheIndex >= 0, |
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changeset
|
378 |
User::Panic( KAknIconSrvPanicCategory, ESrvPanicCacheCorrupt ) ); |
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changeset
|
379 |
|
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|
380 |
if(lDynamicIndex >= 0) |
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Revision: 200949
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diff
changeset
|
381 |
{ |
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Revision: 200949
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parents:
diff
changeset
|
382 |
iDynamicallyCached.Remove( lDynamicIndex ); |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
383 |
iDynamicCacheSize -= IconDataSize( aItem ); |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
384 |
} |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
385 |
else if(lPrecacheIndex >= 0) |
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Revision: 200949
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parents:
diff
changeset
|
386 |
{ |
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Revision: 200949
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parents:
diff
changeset
|
387 |
iPrecache.Remove(lPrecacheIndex); |
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Revision: 200949
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diff
changeset
|
388 |
iPrecacheSize -= IconDataSize(aItem); |
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parents:
diff
changeset
|
389 |
} |
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parents:
diff
changeset
|
390 |
|
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Revision: 200949
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parents:
diff
changeset
|
391 |
aItem.ClearCached(); |
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Revision: 200949
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parents:
diff
changeset
|
392 |
} |
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Revision: 200949
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diff
changeset
|
393 |
} |
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Revision: 200949
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parents:
diff
changeset
|
394 |
|
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Revision: 200949
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parents:
diff
changeset
|
395 |
// ----------------------------------------------------------------------------- |
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Revision: 200949
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parents:
diff
changeset
|
396 |
// CAknIconSrvCache::DynamicToPrecache |
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Revision: 200949
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parents:
diff
changeset
|
397 |
// ----------------------------------------------------------------------------- |
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Revision: 200949
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parents:
diff
changeset
|
398 |
// |
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Revision: 200949
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parents:
diff
changeset
|
399 |
void CAknIconSrvCache::DynamicToPrecache( CAknIconSrvIconItem& aItem ) |
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diff
changeset
|
400 |
{ |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
401 |
if ( aItem.IsCached() ) |
05e9090e2422
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
402 |
{ |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
403 |
// search for item in iDynamicallyCached |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
404 |
TInt lDynamicIndex = iDynamicallyCached.Find( &aItem ); |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
405 |
if(lDynamicIndex >= 0) |
05e9090e2422
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
406 |
{ |
05e9090e2422
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
407 |
CAknIconSrvIconItem* moveItem = iDynamicallyCached[lDynamicIndex]; |
05e9090e2422
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
408 |
|
05e9090e2422
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
409 |
if (iPrecache.Append(moveItem) == KErrNone) |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
410 |
{ |
05e9090e2422
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
411 |
iPrecacheSize += IconDataSize(aItem); |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
412 |
|
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
413 |
iDynamicallyCached.Remove( lDynamicIndex ); |
05e9090e2422
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
414 |
iDynamicCacheSize -= IconDataSize( aItem ); |
05e9090e2422
Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
415 |
} |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
416 |
} |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
417 |
} |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
418 |
|
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Revision: 200949
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parents:
diff
changeset
|
419 |
} |
05e9090e2422
Revision: 200949
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parents:
diff
changeset
|
420 |
|
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Revision: 200949
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parents:
diff
changeset
|
421 |
|
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Revision: 200949
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parents:
diff
changeset
|
422 |
|
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// ----------------------------------------------------------------------------- |
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// CAknIconSrvCache::ResetDynamicCache |
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// ----------------------------------------------------------------------------- |
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// |
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void CAknIconSrvCache::ResetDynamicCache() |
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{ |
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#ifdef _DEBUG |
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EnableCache( EFalse ); |
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|
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#endif // _DEBUG |
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} |
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// ----------------------------------------------------------------------------- |
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// CAknIconSrvCache::IconDataSize |
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// ----------------------------------------------------------------------------- |
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// |
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TInt CAknIconSrvCache::IconDataSize( CAknIconSrvIconItem& aItem ) |
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{ |
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TInt byteSize = aItem.iBitmap->Header().iBitmapSize; |
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|
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if ( aItem.iMask ) |
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{ |
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byteSize += aItem.iMask->Header().iBitmapSize; |
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} |
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|
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return byteSize; |
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} |
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|
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|
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// ----------------------------------------------------------------------------- |
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// CAknIconSrvCache::EnableCache |
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// ----------------------------------------------------------------------------- |
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// |
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void CAknIconSrvCache::EnableCache( TBool aEnable ) |
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{ |
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if ( aEnable ) |
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{ |
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// enable the cache by setting the configured max cache size. |
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iMaxDynamicCacheSize = iConfiguredMaxDynamicCacheSize; |
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} |
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else |
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{ |
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// disable the cache by removing all dynamically cached |
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// icons and setting the max cache size to zero, which will |
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// prevent further icons from being added. |
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while ( iDynamicallyCached.Count() ) |
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{ |
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CAknIconSrvIconItem* item = iDynamicallyCached[0]; |
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iDynamicallyCached.Remove( 0 ); |
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iServer.RemoveCachedItem( *item ); |
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} |
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|
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iDynamicCacheSize = 0; |
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|
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while(iPrecache.Count()) |
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{ |
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CAknIconSrvIconItem* item = iPrecache[0]; |
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iPrecache.Remove( 0 ); |
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iServer.RemoveCachedItem( *item ); |
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|
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} |
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iPrecacheSize = 0; |
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|
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iMaxDynamicCacheSize = 0; |
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|
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|
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} |
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} |
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|
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// End of File |