author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Fri, 19 Mar 2010 09:35:23 +0200 | |
changeset 60 | f62f87b200ec |
permissions | -rw-r--r-- |
60
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/* |
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* Copyright (c) 2009 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: State factory. |
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* |
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*/ |
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|
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#include <QStringList> |
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#include <QDir> |
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#include <QPluginLoader> |
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#include <QState> |
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|
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#include "hsstatefactory.h" |
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#include "hsstatefactory_p.h" |
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#include "hsstateprovidermanifest.h" |
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#include "hstest_global.h" |
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|
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HsStateFactoryPrivate::HsStateFactoryPrivate(HsStateFactory* aPublic) |
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: QObject(aPublic), |
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mQ(aPublic) |
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{ |
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|
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} |
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|
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HsStateFactoryPrivate::~HsStateFactoryPrivate() |
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{ |
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} |
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QList<HsStateToken> HsStateFactoryPrivate::states() |
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{ |
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QStringList pluginPaths; |
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//Check plugin dirs from root of different drives |
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QFileInfoList drives = QDir::drives(); |
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for(int i=0; i < drives.count(); i++) |
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{ |
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QFileInfo drive = drives.at(i); |
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QString driveLetter = drive.absolutePath(); |
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QString path = driveLetter + mPluginManifestDirectory; |
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if(QDir(path).exists()) |
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{ |
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pluginPaths << path; |
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} |
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} |
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//Check plugin dir relative to current dir |
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if(QDir(mPluginManifestDirectory).exists() && !pluginPaths.contains(QDir(mPluginManifestDirectory).absolutePath())) |
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{ |
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pluginPaths << mPluginManifestDirectory; |
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} |
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QList<HsStateToken> states; |
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for(int h=0; h < pluginPaths.count(); h++) |
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{ |
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QString path = pluginPaths.at(h); |
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QDir dir(path); |
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QStringList filters("*.manifest"); |
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for(int i=0; i < dir.entryList(filters, QDir::Files).count(); ++i) |
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{ |
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QString fileName = dir.entryList(filters, QDir::Files).at(i); |
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HsStateProviderManifest manifest; |
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manifest.loadFromXml(dir.absoluteFilePath(fileName)); |
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if(manifest.loadOnQuery()) |
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{ |
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QList<HsStateToken> tokens = manifest.states(); |
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for(int j=0; j < tokens.count(); ++j) |
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{ |
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HsStateToken token = tokens.at(j); |
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IHsStateProvider* provider = loadProviderFromPlugin(token.mLibrary); |
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if(provider) |
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{ |
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states << provider->states(); |
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delete provider; |
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} |
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} |
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} |
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else |
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{ |
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states << manifest.states(); |
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} |
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} |
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} |
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return states; |
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} |
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QState* HsStateFactoryPrivate::createState(const HsStateToken& aToken) |
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{ |
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IHsStateProvider* provider = loadProviderFromPlugin(aToken.mLibrary); |
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if(!provider) |
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{ |
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HSDEBUG("Widget creation failed - No provider.") |
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return 0; |
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} |
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109 |
|
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QState* state = provider->createState(aToken); |
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delete provider; |
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if(!state) |
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113 |
{ |
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HSDEBUG("State creation failed.") |
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} |
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return state; |
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} |
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118 |
|
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IHsStateProvider* HsStateFactoryPrivate::loadProviderFromPlugin(const QString& aPluginName) |
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120 |
{ |
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QStringList pluginPaths; |
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122 |
|
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//Check plugin dirs from root of different drives |
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QFileInfoList drives = QDir::drives(); |
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for(int i=0; i < drives.count(); i++) |
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126 |
{ |
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QFileInfo drive = drives.at(i); |
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QString driveLetter = drive.absolutePath(); |
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QString path = driveLetter + mPluginDirectory; |
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if(QDir(path).exists()) |
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131 |
{ |
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pluginPaths << path; |
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} |
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134 |
} |
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135 |
|
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136 |
|
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//Check plugin dir relative to current dir |
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if(QDir(mPluginManifestDirectory).exists() && !pluginPaths.contains(QDir(mPluginDirectory).absolutePath())) |
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139 |
{ |
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pluginPaths << mPluginDirectory; |
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} |
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142 |
|
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IHsStateProvider* provider = 0; |
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QPluginLoader loader; |
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QObject* plugin = 0; |
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146 |
|
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for(int i=0; i < pluginPaths.count(); i++) |
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148 |
{ |
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QString path = pluginPaths.at(i); |
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QString fileName = QDir(path).absoluteFilePath(aPluginName); |
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151 |
|
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loader.setFileName(fileName); |
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plugin = loader.instance(); |
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provider = qobject_cast<IHsStateProvider*>(plugin); |
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if(provider) |
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156 |
{ |
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return provider; |
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} |
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159 |
|
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//Don't leak memory if provider not IHsStateProvider |
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if(plugin) |
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162 |
{ |
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HSDEBUG("State provider load - !provider, deleting plugin.") |
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delete plugin; |
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165 |
} |
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166 |
} |
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167 |
|
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HSDEBUG("State provider load failed - Not found.") |
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return 0; |
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} |
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171 |
|
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172 |
/*! |
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173 |
\class HsStateFactory |
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174 |
\ingroup group_hsstatemodel |
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\brief Finds and creates home screen states. |
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State factory finds home screen states from state provider |
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plugins. The search is done based on given plugin manifest |
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and plugin binary directories. Found states are returned as |
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a list of state tokens. State factory creates an instance of |
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a state base on a state token that is given to it. |
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181 |
*/ |
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182 |
|
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183 |
/*! |
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184 |
Constructor. |
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\a aPluginManifestDirectory Directory that contains plugin manifests. |
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\a aPluginDirectory Directory that contains plugin binaries. |
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\a aParent Parent object. |
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188 |
*/ |
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189 |
HsStateFactory::HsStateFactory(const QString& aPluginManifestDirectory, |
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const QString& aPluginDirectory, |
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191 |
QObject* aParent) |
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192 |
: QObject(aParent) |
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193 |
{ |
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194 |
mD = new HsStateFactoryPrivate(this); |
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mD->mPluginManifestDirectory = aPluginManifestDirectory; |
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mD->mPluginDirectory = aPluginDirectory; |
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197 |
} |
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198 |
|
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199 |
|
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200 |
/*! |
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201 |
Destructor. |
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202 |
*/ |
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203 |
HsStateFactory::~HsStateFactory() |
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204 |
{ |
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205 |
|
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206 |
} |
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207 |
|
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208 |
/*! |
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209 |
Returns found states as a list of state tokens. |
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210 |
*/ |
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211 |
QList<HsStateToken> HsStateFactory::states() |
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212 |
{ |
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return mD->states(); |
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214 |
} |
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/*! |
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Creates and returns a state based on the given token. |
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\a aToken Identifies the state to be created. |
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Returns The created state. |
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*/ |
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QState* HsStateFactory::createState(const HsStateToken& aToken) |
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{ |
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return mD->createState(aToken); |
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} |