author | hgs |
Thu, 10 Jun 2010 16:07:41 +0800 | |
changeset 21 | 2883a5458389 |
parent 19 | 36aa4756ee82 |
child 22 | a5692c68d772 |
permissions | -rw-r--r-- |
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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 two views for Theme Changer plugin and handles |
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user interaction to preview and change the themes. |
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|
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It creates a list view of the themes. When a list item is selected, it creates a preview |
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of the theme icon using a CpThemePreview class. |
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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 <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 "cpthemepreview.h" |
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#include <hbdialog.h> |
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#include <hblabel.h> |
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||
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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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constructor. |
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*/ |
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CpThemeControl::CpThemeControl(): mThemeListView(0), |
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mThemePreview(0), |
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mThemeChanger(0), |
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mListModel(0), |
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mSortModel(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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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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connect(hbInstance->theme(),SIGNAL(changeFinished()), this, SLOT(themeChangeFinished())); |
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} |
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/*! |
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destorys the list view, preview 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 mThemePreview; |
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mThemePreview = 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 based on |
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theme names, icons, and icon paths 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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mListModel = &mThemeChanger->model(); |
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mSortModel = new QSortFilterProxyModel(this); |
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mSortModel->setDynamicSortFilter(true); |
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mSortModel->setSortCaseSensitivity(Qt::CaseInsensitive); |
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mSortModel->sort(0); |
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mSortModel->setSourceModel(mListModel); |
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121 |
|
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// Set the model for theme list. |
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mThemeListView->setModel(mSortModel); |
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mThemeListView->themeList()->setSelectionMode(HbAbstractItemView::SingleSelection); |
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|
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setActiveThemeIndex(); |
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127 |
|
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128 |
|
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//connect to signal for selecting a list item. |
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connect(mThemeListView,SIGNAL(newThemeSelected(const QModelIndex&)), |
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this,SLOT(newThemeSelected(const QModelIndex&))); |
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132 |
|
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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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137 |
|
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/*! |
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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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{ |
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//If the view was removed before by control panel app, create it again. |
21 | 145 |
if(!mThemeListView) { |
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createThemeList(); |
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} |
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|
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return mThemeListView; |
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} |
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151 |
|
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/*! |
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returns the name of the current theme. |
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*/ |
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QString CpThemeControl::currentThemeName() const |
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{ |
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return mThemeChanger->currentTheme().name; |
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} |
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159 |
|
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/*! |
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returns the repersenatative icon of the current theme. |
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*/ |
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HbIcon CpThemeControl::currentThemeIcon() const |
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{ |
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return mThemeChanger->currentTheme().icon; |
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} |
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167 |
|
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/*! |
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Slot called when a list item of the theme list is selected. |
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*/ |
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void CpThemeControl::newThemeSelected(const QModelIndex& index) |
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{ |
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if(!index.isValid()) { |
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return; |
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} |
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|
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|
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CpThemeChanger::ThemeInfo themeInfo; |
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QVariant data; |
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|
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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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|
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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.name = data.toString(); |
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} |
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//get theme icon. |
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data = index.data(Qt::DecorationRole); |
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if(data.isValid()) { |
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themeInfo.icon = data.value<HbIcon>(); |
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} |
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|
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data = index.data(CpThemeChanger::PortraitPreviewRole); |
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if(data.isValid()) { |
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themeInfo.portraitPreviewIcon = data.value<HbIcon>(); |
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} |
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|
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data = index.data(CpThemeChanger::LandscapePreviewRole); |
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if(data.isValid()) { |
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themeInfo.landscapePreviewIcon = data.value<HbIcon>(); |
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} |
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|
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|
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//Set up the theme preview and set it to |
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//the current view of main window. |
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HbMainWindow* mWindow = ::mainWindow(); |
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|
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if(!mThemePreview){ |
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mThemePreview = new CpThemePreview(themeInfo); |
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mWindow->addView(mThemePreview); |
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|
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connect(mThemePreview,SIGNAL(aboutToClose()), |
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this, SLOT(previewClosed())); |
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|
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connect(mThemePreview, SIGNAL(applyTheme(const QString&)), |
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this, SLOT(themeApplied(const QString&))); |
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} else { |
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mThemePreview->setThemeInfo(themeInfo); |
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} |
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mThemePreview->setTitle(hbTrId("txt_cp_title_control_panel")); |
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mWindow->setCurrentView(mThemePreview); |
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} |
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/*! |
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Slot called when a Select key is pressed in theme preview view. |
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*/ |
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void CpThemeControl::themeApplied(const QString& theme) |
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{ |
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bool success = false; |
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success = mThemeChanger->connectToServer(); |
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if (success) { |
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QThread::currentThread()->setPriority(QThread::HighPriority); |
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mThemeChanger->changeTheme(theme); |
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emit themeUpdated(mThemeChanger->currentTheme().name, mThemeChanger->currentTheme().icon); |
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} |
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//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(1000, this, SLOT(themeWaitTimeout())); |
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mThemeChangeFinished = false; |
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} |
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/*! |
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Slot called when the theme preview view is closed. |
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*/ |
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void CpThemeControl::previewClosed() |
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{ |
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//The theme preview closed, go back |
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//to theme list view. |
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HbMainWindow* mainWindow = ::mainWindow(); |
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mainWindow->removeView(mThemePreview); |
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mThemePreview->deleteLater(); |
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mThemePreview = 0; |
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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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mainWindow->setCurrentView(mThemeListView); |
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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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delete mThemePreview; |
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mThemePreview = 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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19 | 292 |
void CpThemeControl::themeChangeTimeout() |
293 |
{ |
|
21 | 294 |
//Theme change is finished and idle timer has timed out, |
295 |
//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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previewClosed(); |
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//ask the themelistview to close. Control Panel will |
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//take care of removing it from window. |
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triggerThemeListClose(); |
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QThread::currentThread()->setPriority(QThread::NormalPriority); |
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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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{ |
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if(!mWaitDialog) { |
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mWaitDialog = new HbDialog(); |
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mWaitDialog->setModal(false); |
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mWaitDialog->setDismissPolicy(HbPopup::NoDismiss); |
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//TODO: need localized text for Hb Dialog |
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// Create and set HbLabel as content widget. |
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HbLabel *label = new HbLabel("Processing ..."); |
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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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19 | 328 |
} |
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void CpThemeControl::themeChangeFinished() |
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{ |
|
21 | 332 |
//Theme change is done. Start an idle timer to let the UI |
333 |
//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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} |
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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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QModelIndex sourceIndex = mListModel->index(mThemeChanger->indexOf(mThemeChanger->currentTheme()),0); |
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//Map it to the sort model index. |
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QModelIndex sortedIndex = mSortModel->mapFromSource(sourceIndex); |
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//set current index. |
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mThemeListView->themeList()->setCurrentIndex(sortedIndex, QItemSelectionModel::SelectCurrent); |
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} |
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