1 /*

     2  * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3  * All rights reserved.

     4  * This component and the accompanying materials are made available

     5  * under the terms of "Eclipse Public License v1.0""

     6  * which accompanies this distribution, and is available

     7  * at the URL "http://www.eclipse.org/legal/epl-v10.html".

     8  *

     9  * Initial Contributors:

    10  * Nokia Corporation - initial contribution.

    11  *

    12  * Contributors:

    13  *

    14  * Description:  

    15  *   

    16  */

    17 

    18 #include <QObject>

    19 #include <QString>

    20 #include <QGraphicsPixmapItem>

    21 #include <QGraphicsLinearLayout>

    22 

    23 #include <hbaction.h>

    24 #include <hbtoolbar.h>

    25 #include <hbicon.h>

    26 #include <hbaction.h>

    27 #include <hblabel.h>

    28 #include <hbiconitem.h>

    29 #include <hbmainwindow.h>

    30 #include <HbParameterLengthLimiter>

    31 #include <HbDataForm>

    32 

    33 #include "cpthemepreview.h"

    34 #include "cpthemeinfo.h"

    35 

    36 /*!

    37     \class CpThemePreview

    38     \brief CpThemePreview shows a preview of a selected theme with a heading displaying the name of the theme as well as

    39            a toolbar with Select and Cancel buttons.  This view is used for the user to either select the theme and apply

    40            the theme change or press Cancel and go back to theme list view.

    41 */

    42 

    43 

    44 /*!

    45     constructor.

    46 */

    47 CpThemePreview::CpThemePreview(const CpThemeInfo& theme, QGraphicsItem *parent) :

    48      HbView(parent), 

    49      mTheme(theme),

    50      mSoftKeyBackAction(0),

    51      mPreviewIcon(0)

    52 {

    53     QGraphicsLinearLayout* containerLayout = new QGraphicsLinearLayout(Qt::Vertical);

    54     QGraphicsLinearLayout* bottomLayout = new QGraphicsLinearLayout(Qt::Vertical);

    55         

    56     //Preview icon margins.

    57     qreal leftMargin = 0.0;

    58     qreal rightMargin = 0.0;

    59     qreal topMargin = 0.0;

    60     qreal bottomMargin = 0.0;

    61         

    62     style()->parameter(QString("hb-param-margin-gene-left"), leftMargin);

    63     style()->parameter("hb-param-margin-gene-right", rightMargin);

    64     style()->parameter("hb-param-margin-gene-top", topMargin);

    65     style()->parameter("hb-param-margin-gene-bottom", bottomMargin);

    66 

    67     containerLayout->setContentsMargins(0,0,0,0);

    68     bottomLayout->setContentsMargins(leftMargin, topMargin, rightMargin, bottomMargin);

    69        

    70     //Using an empty dataform as heading because the heading should

    71     //look like an HbDataForm headiing.

    72     HbDataForm* heading = new HbDataForm(this);

    73     QString themeHeading = HbParameterLengthLimiter("txt_cp_title_preview_1").arg(mTheme.name());   

    74     heading->setHeading(themeHeading);

    75        

    76     containerLayout->addItem(heading);

    77     //Fixed vertical policy so that the heading doesn't expand.

    78     heading->setSizePolicy(QSizePolicy::Preferred, QSizePolicy::Fixed,QSizePolicy::DefaultType);

    79     

    80     if(mainWindow()->orientation() == Qt::Horizontal) {

    81         mPreviewIcon = new HbIconItem(mTheme.landscapePreviewIcon(), this);

    82     }

    83     else {

    84         mPreviewIcon = new HbIconItem(mTheme.portraitPreviewIcon(), this);

    85         //set to ignore aspect ratio so the layout would rezise the icon correctly.

    86           

    87     }

    88     mPreviewIcon->setAspectRatioMode(Qt::IgnoreAspectRatio);

    89   

    90     // set an object name for preview icon to make it testable for automation testing

    91     mPreviewIcon->setObjectName(QString("themePreviewIcon"));

    92 

    93     

    94     bottomLayout->addItem(mPreviewIcon);

    95     containerLayout->addItem(bottomLayout);

    96 

    97     setLayout(containerLayout);

    98         

    99     //Create the toolbar and "Select" and "Cancel" actions.

   100     HbToolBar* mToolBar = new HbToolBar(this);

   101 

   102     HbAction* selectAction = new HbAction(hbTrId("txt_common_button_select"));

   103     

   104     //Add Action to the toolbar and show toolbar

   105     mToolBar->addAction( selectAction );

   106 

   107     HbAction* cancelAction = new HbAction(hbTrId("txt_common_button_cancel"));

   108     mToolBar->addAction( cancelAction );

   109 

   110     QObject::connect( selectAction, SIGNAL(triggered()), 

   111                       this, SLOT(themeSelected()));

   112 

   113     QObject::connect( cancelAction, SIGNAL(triggered()), 

   114                       this, SIGNAL(aboutToClose()));

   115     QObject::connect( mainWindow(), SIGNAL(orientationChanged(Qt::Orientation)),

   116                       this, SLOT(previewOrientationChanged(Qt::Orientation)));

   117        

   118         

   119     setToolBar(mToolBar);

   120     //Setup the Back button action and set softkey. Back button 

   121     //takes the user to the theme list view.

   122     mSoftKeyBackAction = new HbAction(Hb::BackNaviAction, this);

   123     QObject::connect(mSoftKeyBackAction, SIGNAL(triggered()), 

   124             this, SIGNAL(aboutToClose()) );

   125 

   126     setNavigationAction(mSoftKeyBackAction);

   127     

   128 }

   129 

   130 /*!

   131     destructor.

   132 */

   133 CpThemePreview::~CpThemePreview()

   134 {

   135 }

   136 

   137 /*!

   138   sets the theme to \a theme.

   139 */

   140 void CpThemePreview::setThemeInfo(const CpThemeInfo& theme)

   141 {

   142     mTheme = theme;

   143 }

   144 

   145 /*!

   146     returns the themeName.

   147 */

   148 const QString CpThemePreview::themeName() const

   149 {

   150     return mTheme.name();

   151 }

   152 

   153 /*!

   154     returns the repersentative themeIcon of the current theme.

   155 */

   156 const HbIcon CpThemePreview::themeIcon() const

   157 {

   158     return mTheme.icon();

   159 }

   160 

   161 /*!

   162     Slot to handle when the user selects a theme.  

   163 */

   164 void CpThemePreview::themeSelected()

   165 {

   166     emit applyTheme(mTheme);

   167 }

   168 

   169 /*! 

   170  *  Slot to handle landscape/portrait orientation change to use the

   171  *  right graphics.

   172  */

   173 void CpThemePreview::previewOrientationChanged(Qt::Orientation orientation)

   174 {

   175    

   176     QGraphicsLinearLayout* containerLayout = dynamic_cast<QGraphicsLinearLayout*>(layout());

   177     QGraphicsLinearLayout* previewLayout = 0;

   178     if(containerLayout) {

   179         //get the layout that preview icon belongs to.

   180         previewLayout = dynamic_cast<QGraphicsLinearLayout*>(containerLayout->itemAt(1));

   181     }

   182    

   183     if(previewLayout && mPreviewIcon && mPreviewIcon == dynamic_cast<HbIconItem*>(previewLayout->itemAt(0)) ) {

   184         //Remove preview icon.

   185         previewLayout->removeAt(0);

   186         

   187         if(orientation == Qt::Horizontal) {

   188             mPreviewIcon->setIcon(mTheme.landscapePreviewIcon());

   189                     

   190         }

   191         else {

   192             mPreviewIcon->setIcon(mTheme.portraitPreviewIcon());

   193         }

   194         

   195         previewLayout->addItem(mPreviewIcon);

   196     }

   197     

   198 }

   199 

   200 

   201