author | Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com> |
Tue, 31 Aug 2010 15:15:28 +0300 | |
branch | RCL_3 |
changeset 34 | 90fe62538f66 |
permissions | -rw-r--r-- |
34
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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: |
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* |
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*/ |
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|
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/*! |
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\class CpThemeControl |
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\brief CpThemeControl creates and controls views for Theme Changer plugin and handles |
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user interaction to preview and change the themes. |
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This class also connects to the theme server using the HbThemeChanger and sets the theme |
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based on user interaction with the views. |
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*/ |
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#include <QString> |
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#include <QModelIndex> |
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#include <QTranslator> |
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#include <QSortFilterProxyModel> |
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#include <QThread> |
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#include <QTimer> |
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#include <QDesktopServices> |
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#include <QUrl> |
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#include <hbmainwindow.h> |
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#include <hbinstance.h> |
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#include "cpthemechanger.h" |
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#include "cpthemecontrol.h" |
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#include "cpthemelistview.h" |
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#include "cpthemeinfo.h" |
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#include "cpthemelistmodel.h" |
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#include <hbdialog.h> |
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#include <hblabel.h> |
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//time out time before showing a processing dialog. |
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static const int KThemeChangeTimeOutMilliSeconds = 2000; |
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/*! |
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Helper function to fetch the main window. |
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*/ |
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static HbMainWindow *mainWindow() |
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{ |
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QList< HbMainWindow* > mainWindows = hbInstance->allMainWindows(); |
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if (!mainWindows.isEmpty()) { |
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return mainWindows.front(); |
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} |
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return 0; |
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} |
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|
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/*! |
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constructor. |
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*/ |
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CpThemeControl::CpThemeControl(): mThemeListView(0), |
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mThemeChanger(0), |
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mListModel(0), |
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mThemeChangeFinished(false), |
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mWaitDialog(0) |
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{ |
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mThemeChanger = new CpThemeChanger(); |
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|
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QTranslator *translator = new QTranslator(this); |
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QString lang = QLocale::system().name(); |
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QString path = "Z:/resource/qt/translations/"; |
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translator->load("control_panel_" + lang, path); |
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qApp->installTranslator(translator); |
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|
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connect(mThemeChanger,SIGNAL(themeChangeFinished()), this, SLOT(themeChangeFinished())); |
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} |
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/*! |
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destorys the list view and theme changer objects. |
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*/ |
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CpThemeControl::~CpThemeControl() |
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{ |
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delete mThemeListView; |
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mThemeListView = 0; |
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delete mThemeChanger; |
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mThemeChanger = 0; |
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delete mWaitDialog; |
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mWaitDialog = 0; |
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} |
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/*! |
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Creates the theme list view. Gets the themes, creates a model and sets the list model. |
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*/ |
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void CpThemeControl::createThemeList() |
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{ |
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mThemeListView = new CpThemeListView(); |
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|
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if(!mListModel) { |
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mListModel = new CpThemeListModel(this); |
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} |
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112 |
|
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// Set the model for theme list. |
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mThemeListView->setModel(mListModel); |
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115 |
|
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setActiveThemeIndex(); |
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117 |
|
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//connect to signal for selecting a list item. |
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connect(mThemeListView,SIGNAL(newThemeSelected(QModelIndex)), |
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this,SLOT(newThemeSelected(QModelIndex))); |
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121 |
|
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connect(mThemeListView, SIGNAL(oviClicked()), this, SLOT(getOviTheme())); |
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123 |
|
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//handle signal for list view closing. (e.g Back softkey pressed) |
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connect(mThemeListView,SIGNAL(aboutToClose()), |
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this,SLOT(themeListClosed())); |
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} |
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128 |
|
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129 |
/*! |
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130 |
returns the instance of themelist view. Used by control panel to set |
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the view. |
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*/ |
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CpBaseSettingView* CpThemeControl::themeListView() |
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134 |
{ |
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//If the view was removed before by control panel app, create it again. |
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if(!mThemeListView) { |
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createThemeList(); |
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138 |
} |
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139 |
|
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return mThemeListView; |
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141 |
} |
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142 |
|
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143 |
/*! |
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returns the name of the current theme. |
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145 |
*/ |
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QString CpThemeControl::currentThemeName() const |
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147 |
{ |
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QString name = ""; |
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if(mThemeChanger->currentTheme()) { |
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name = mThemeChanger->currentTheme()->name(); |
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} |
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return name; |
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} |
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154 |
|
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155 |
/*! |
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returns the repersenatative icon of the current theme. |
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157 |
*/ |
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HbIcon CpThemeControl::currentThemeIcon() const |
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159 |
{ |
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HbIcon icon; |
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if(mThemeChanger->currentTheme()) { |
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icon = mThemeChanger->currentTheme()->icon(); |
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163 |
} |
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return icon; |
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} |
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166 |
|
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167 |
/*! |
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Slot called when a list item of the theme list is selected. |
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169 |
*/ |
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void CpThemeControl::newThemeSelected(const QModelIndex& index) |
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171 |
{ |
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if(!index.isValid()) { |
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return; |
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174 |
} |
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175 |
|
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CpThemeInfo themeInfo; |
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QVariant data; |
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178 |
|
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//reset the current index to active theme, so that the selection remains on current |
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//theme even though another list item is selected. |
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setActiveThemeIndex(); |
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182 |
|
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//get the theme name. |
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data = index.data(Qt::DisplayRole); |
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if(data.isValid()) { |
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themeInfo.setName(data.toString()); |
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187 |
} |
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188 |
|
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//get theme path |
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data = index.data(CpThemeListModel::ItemDataRole); |
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191 |
if(data.isValid()) { |
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themeInfo.setItemData(data.toString()); |
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193 |
} |
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194 |
|
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applyTheme(themeInfo); |
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196 |
|
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197 |
} |
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198 |
|
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void CpThemeControl::getOviTheme() |
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200 |
{ |
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QString url = QString("http://lr.ovi.mobi/store/themes"); |
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// Launch the URL in the browser and |
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// continue to Preview if not successful |
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QDesktopServices::openUrl(QUrl(url, QUrl::TolerantMode)); |
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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 |
Slot called when a Select key is pressed in theme preview view. |
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210 |
*/ |
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211 |
void CpThemeControl::applyTheme(const CpThemeInfo& theme) |
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212 |
{ |
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QThread::currentThread()->setPriority(QThread::HighPriority); |
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214 |
|
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215 |
if(mThemeChanger->changeTheme(theme)) { |
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216 |
|
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217 |
//Start a timer. If theme change takes more than 1 seconds, |
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//we will show a dialog (mWaitDialog) until theme change |
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//is done (themeChangeFinished is called). |
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QTimer::singleShot(KThemeChangeTimeOutMilliSeconds, this, SLOT(themeWaitTimeout())); |
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mThemeChangeFinished = false; |
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} else { |
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//theme change failed, go back to control panel. |
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setActiveThemeIndex(); |
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} |
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} |
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|
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/*! |
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Slot for when the theme list view is closed. Ownership of the theme list was given to |
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control panel, so the class won't delete it. |
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*/ |
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void CpThemeControl::themeListClosed() |
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{ |
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mThemeListView = 0; |
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} |
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|
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/*! |
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asks the theme list view to close. |
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*/ |
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void CpThemeControl::triggerThemeListClose() |
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{ |
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mThemeListView->closeView(); |
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} |
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|
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void CpThemeControl::themeChangeTimeout() |
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{ |
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//Theme change is finished and idle timer has timed out, |
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//so revert back the application priority to normal |
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//and go back to control panel view. |
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if(mWaitDialog && mWaitDialog->isVisible()) { |
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mWaitDialog->hide(); |
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} |
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setActiveThemeIndex(); |
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QThread::currentThread()->setPriority(QThread::NormalPriority); |
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} |
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|
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void CpThemeControl::themeWaitTimeout() |
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{ |
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//If after this timeOut, theme change is still in progress, |
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//show a processing dialog. |
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if(!mThemeChangeFinished){ |
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if(!mWaitDialog) { |
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mWaitDialog = new HbDialog(); |
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mWaitDialog->setDismissPolicy(HbPopup::NoDismiss); |
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mWaitDialog->setModal(false); |
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mWaitDialog->setTimeout(HbPopup::NoTimeout); |
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// Create and set HbLabel as content widget. |
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QString processingText = hbTrId("txt_common_info_processing") + QString("..."); |
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HbLabel *label = new HbLabel(processingText); |
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label->setAlignment(Qt::AlignCenter); |
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mWaitDialog->setContentWidget(label); |
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} |
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// as we do not need any signals, calling show() instead of open() |
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mWaitDialog->show(); |
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} |
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} |
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|
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void CpThemeControl::themeChangeFinished() |
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{ |
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//Theme change is done. Start an idle timer to let the UI |
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//finish remaining tasks. |
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QTimer::singleShot(0, this, SLOT(themeChangeTimeout())); |
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mThemeChangeFinished = true; |
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|
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if(mThemeChanger->currentTheme()) { |
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emit themeUpdated(mThemeChanger->currentTheme()->name(), mThemeChanger->currentTheme()->icon()); |
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} |
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|
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} |
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|
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/*! |
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* Private function that sets the current index of theme list view to indicate |
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* the active theme. |
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*/ |
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void CpThemeControl::setActiveThemeIndex() |
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{ |
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//Get the index of current theme. |
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CpThemeListModel* themeListModel = dynamic_cast<CpThemeListModel*>(mListModel); |
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const CpThemeInfo* currentTheme = mThemeChanger->currentTheme(); |
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if(themeListModel && currentTheme) { |
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QModelIndex sourceIndex = mListModel->index(themeListModel->indexOf(*currentTheme),0); |
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//set current index. |
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mThemeListView->themeList()->setCurrentIndex(sourceIndex, QItemSelectionModel::SelectCurrent); |
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} |
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else { |
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mThemeListView->themeList()->setCurrentIndex(QModelIndex(), QItemSelectionModel::Clear); |
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} |
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} |
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|
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|
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|
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|
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