1 /*

     2 * Copyright (c) 2010 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 

    19 #include "ViewController.h"

    20 #include <QDebug>

    21 

    22 namespace GVA {

    23     

    24   ViewController::ViewController()

    25     : m_viewMap() {

    26     m_current = m_viewMap.begin();

    27   }

    28 

    29   ViewController::~ViewController() {

    30     foreach(ControllableViewBase *view, m_viewMap) {

    31       delete view;

    32     }

    33   }

    34 

    35   void ViewController::addView(ControllableViewBase *controllableView) {

    36     assert(controllableView);

    37     qDebug() << "ViewController::addView: adding " << controllableView

    38              << " jsObject=" << controllableView->jsObject();

    39     QString key;

    40     // Set up parent/child link for javascript access to the view.

    41     if(controllableView->jsObject()) {

    42       // Use the view's javascript object.

    43       controllableView->jsObject()->setParent(this);

    44       key = controllableView->jsObject()->objectName();

    45     }

    46     else {

    47       // Use the view itself.

    48       controllableView->setParent(this);

    49       key = controllableView->objectName();

    50     }

    51     if(key.isNull()) {

    52       qWarning("ViewController::addView: missing objectName.");

    53     }

    54     m_viewMap.insert(key, controllableView);

    55   }

    56 

    57   QObjectList ViewController::getViews() {

    58     QObjectList *result = new QObjectList;

    59     foreach(ControllableViewBase *view, m_viewMap) {

    60       result->append(view);

    61     }

    62     return *result;

    63   }

    64   

    65   void ViewController::showCurrent() {

    66       qDebug() << "ViewController::showCurrent: " << m_current.value();

    67       ControllableViewBase *currentView = m_current.value();

    68       if(!currentView) return;

    69 

    70       if(!currentView->isActive()) {

    71           emit currentViewChanging();

    72           // Activate the current view.

    73           currentView->activate();

    74           currentView->show();

    75 

    76           // Deactivate all others.

    77           foreach(ControllableViewBase *view, m_viewMap) {

    78               if(view && view->isActive() && view != currentView) {

    79                   view->hide();

    80                   view->deactivate();

    81               }

    82           }

    83           emit currentViewChanged();

    84       }

    85   }

    86   

    87   void ViewController::showView(const QString &name) {

    88       ViewMap::iterator it = m_viewMap.find(name);

    89       if(it != m_viewMap.end()) {

    90           m_current = it;

    91           showCurrent();

    92       }

    93   }

    94   

    95   void ViewController::freezeView() {

    96       if(!m_viewMap.isEmpty() ) {

    97           m_current.value()->freeze();

    98       }

    99   }

   100   

   101   void ViewController::unfreezeView() {

   102       if(!m_viewMap.isEmpty() ) {

   103           m_current.value()->unfreeze();

   104       }

   105   }

   106 

   107   void ViewController::dump() {

   108     qDebug() << "ViewController::dump:"

   109         << " count=" << m_viewMap.count()

   110         << " current=" << m_current.value();

   111     foreach(ControllableViewBase *view, m_viewMap) {

   112       qDebug() << "  " << view;

   113     }

   114   }

   115 

   116   void ViewController::viewChanged() {

   117       emit currentViewChanged();

   118   }

   119   

   120   ControllableViewBase* ViewController::currentView() {

   121       if(!m_viewMap.isEmpty())

   122           return m_current.value();

   123       else

   124           return NULL;

   125   }

   126 

   127 }

   128