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 #include <HbMainWindow>

    19 #include <HbView>

    20 #include <HbLabel>

    21 #include <QGraphicsLinearLayout>

    22 #include "cxeviewfindercontroldesktop.h"

    23 #include "cxecameradevicedesktop.h"

    24 #include "cxeviewfinderwidgetdesktop.h"

    25 #include "cxutils.h"

    26 

    27 const int KResWidth = 640;

    28 const int KResHeight = 360;

    29 

    30 CxeViewfinderControlDesktop::CxeViewfinderControlDesktop(CxeCameraDeviceDesktop &cameraDevice) :

    31         mState(Uninitialized),

    32         mResolution(KResWidth, KResHeight),

    33         mCameraDevice(cameraDevice),

    34         mViewfinderWidget(0)

    35 {

    36     CX_DEBUG_IN_FUNCTION();

    37 }

    38 

    39 CxeViewfinderControlDesktop::~CxeViewfinderControlDesktop()

    40 {

    41     CX_DEBUG_IN_FUNCTION();

    42 }

    43 

    44 /*!

    45 * Set Window ID

    46 */

    47 void CxeViewfinderControlDesktop::setWindow(WId windowId)

    48 {

    49     CX_DEBUG_ENTER_FUNCTION();

    50     mWindowId = windowId;

    51 

    52     if (state() != Running) {

    53         mState = Ready;

    54         emit stateChanged(mState, CxeError::None);

    55     CX_DEBUG_EXIT_FUNCTION();

    56     }

    57 

    58 

    59     HbMainWindow* mainWindow = qobject_cast<HbMainWindow*>(QWidget::find(mWindowId));

    60 

    61     if (mainWindow) {

    62         if( !mViewfinderWidget) {

    63             mViewfinderWidget = new CxeViewfinderWidgetDesktop();

    64             connect(&mCameraDevice, SIGNAL(imageChanged(QPixmap)), mViewfinderWidget, SLOT(handleImageChange(QPixmap)));

    65         }

    66         HbView* view = mainWindow->currentView();

    67         view->scene()->addItem(mViewfinderWidget);

    68         mViewfinderWidget->setZValue(-1.0);

    69     }

    70 }

    71 

    72 /*!

    73 * Start viewfinder

    74 * @return CxeEngine specific error code

    75 */

    76 CxeError::Id CxeViewfinderControlDesktop::start()

    77 {

    78     CX_DEBUG_ENTER_FUNCTION();

    79     if (mState != Running) {

    80         mState = Running;

    81         emit stateChanged(mState, CxeError::None);

    82         mCameraDevice.start();

    83     }

    84     CX_DEBUG_EXIT_FUNCTION();

    85     return CxeError::None;

    86 }

    87 

    88 /*!

    89 * Stop viewfinder

    90 */

    91 void CxeViewfinderControlDesktop::stop()

    92 {

    93     CX_DEBUG_ENTER_FUNCTION();

    94     mState = Ready;

    95     emit stateChanged(mState, CxeError::None);

    96     mCameraDevice.stop();

    97     CX_DEBUG_EXIT_FUNCTION();

    98 }

    99 

   100 /*!

   101 * Current viewfinder state

   102 */

   103 CxeViewfinderControl::State CxeViewfinderControlDesktop::state() const

   104 {

   105     return mState;

   106 }

   107 

   108 /*!

   109 * Returns Device's Display resolution

   110 */

   111 QSize CxeViewfinderControlDesktop::deviceDisplayResolution() const

   112 {

   113     return mResolution;

   114 }

   115 

   116 // end of file