qtmobility/plugins/multimedia/symbian/camera/s60camerafocuscontrol.cpp
changeset 4 90517678cc4f
parent 1 2b40d63a9c3d
child 5 453da2cfceef
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1:2b40d63a9c3d 4:90517678cc4f
     1 /****************************************************************************
       
     2 **
       
     3 ** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).
       
     4 ** All rights reserved.
       
     5 ** Contact: Nokia Corporation (qt-info@nokia.com)
       
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     7 ** This file is part of the Qt Mobility Components.
       
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     9 ** $QT_BEGIN_LICENSE:LGPL$
       
    10 ** No Commercial Usage
       
    11 ** This file contains pre-release code and may not be distributed.
       
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    13 ** contained in the Technology Preview License Agreement accompanying
       
    14 ** this package.
       
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    16 ** GNU Lesser General Public License Usage
       
    17 ** Alternatively, this file may be used under the terms of the GNU Lesser
       
    18 ** General Public License version 2.1 as published by the Free Software
       
    19 ** Foundation and appearing in the file LICENSE.LGPL included in the
       
    20 ** packaging of this file.  Please review the following information to
       
    21 ** ensure the GNU Lesser General Public License version 2.1 requirements
       
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    24 ** In addition, as a special exception, Nokia gives you certain additional
       
    25 ** rights.  These rights are described in the Nokia Qt LGPL Exception
       
    26 ** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
       
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    36 **
       
    37 **
       
    38 ** $QT_END_LICENSE$
       
    39 **
       
    40 ****************************************************************************/
       
    41 
       
    42 #include "s60camerafocuscontrol.h"
       
    43 #include "s60cameraservice.h"
       
    44 #include "s60camerasession.h"
       
    45 
       
    46 #include <QtCore/qdebug.h>
       
    47 #include <QtCore/qstring.h>
       
    48 
       
    49 
       
    50 S60CameraFocusControl::S60CameraFocusControl(QObject *parent)
       
    51     :QCameraFocusControl(parent)
       
    52 {
       
    53     m_session = qobject_cast<S60CameraSession*>(parent);
       
    54 }
       
    55 
       
    56 S60CameraFocusControl::S60CameraFocusControl(QObject *session, QObject *parent)
       
    57    :QCameraFocusControl(parent)
       
    58    , m_focusLocked(false)
       
    59    , m_opticalZoomValue(1.0)
       
    60    , m_digitalZoomValue(1.0)
       
    61    , m_maxZoom(1.0)
       
    62    , m_maxDigitalZoom(1.0)
       
    63    , m_macroFocusingEnabled(false)
       
    64    , m_focusMode(QCamera::AutoFocus)
       
    65    , m_focusStatus(QCamera::FocusInitial)
       
    66    , m_error(QCamera::NoError)
       
    67 {
       
    68     // use cast if we want to change session class later on..
       
    69     m_session = qobject_cast<S60CameraSession*>(session);
       
    70     m_advancedSettings = m_session->advancedSettings();
       
    71     connect(m_session, SIGNAL(opticalZoomChanged(qreal)), this, SIGNAL(opticalZoomChanged(qreal)));
       
    72     connect(m_session, SIGNAL(digitalZoomChanged(qreal)), this, SIGNAL(digitalZoomChanged(qreal)));
       
    73     connect(m_session, SIGNAL(focusStatusChanged(QCamera::FocusStatus)), this, SLOT(focusChanged(QCamera::FocusStatus)));
       
    74     m_advancedSettings->setFocusMode(m_focusMode);
       
    75     m_session->setZoomFactor(m_opticalZoomValue, m_digitalZoomValue);
       
    76 }
       
    77 
       
    78 S60CameraFocusControl::~S60CameraFocusControl()
       
    79 {
       
    80 }
       
    81 
       
    82 QCamera::FocusMode S60CameraFocusControl::focusMode() const
       
    83 {
       
    84     return m_advancedSettings->focusMode();
       
    85 }
       
    86 
       
    87 void S60CameraFocusControl::setFocusMode(QCamera::FocusMode mode)
       
    88 {
       
    89     m_advancedSettings->setFocusMode(mode);
       
    90 	m_focusMode = mode;
       
    91 }
       
    92 
       
    93 QCamera::FocusModes S60CameraFocusControl::supportedFocusModes() const
       
    94 {
       
    95     return m_advancedSettings->supportedFocusModes();
       
    96 }
       
    97 
       
    98 QCamera::FocusStatus S60CameraFocusControl::focusStatus() const
       
    99 {
       
   100     return m_focusStatus;
       
   101 }
       
   102 
       
   103 bool S60CameraFocusControl::macroFocusingEnabled() const
       
   104 {
       
   105     return m_macroFocusingEnabled;
       
   106 }
       
   107 
       
   108 bool S60CameraFocusControl::isMacroFocusingSupported() const
       
   109 {
       
   110     // not supported
       
   111     return false;
       
   112 }
       
   113 
       
   114 void S60CameraFocusControl::setMacroFocusingEnabled(bool /*e*/)
       
   115 {
       
   116     // not supported
       
   117     m_error = QCamera::NotSupportedFeatureError;
       
   118 }
       
   119 
       
   120 qreal S60CameraFocusControl::maximumOpticalZoom() const
       
   121 {
       
   122     return m_session->maximumZoom();
       
   123 }
       
   124 
       
   125 qreal S60CameraFocusControl::maximumDigitalZoom() const
       
   126 {
       
   127     return m_session->maxDigitalZoom();
       
   128 }
       
   129 
       
   130 qreal S60CameraFocusControl::opticalZoom() const
       
   131 {	
       
   132 	return m_session->zoomFactor();
       
   133 }
       
   134 
       
   135 qreal S60CameraFocusControl::digitalZoom() const
       
   136 {   
       
   137     return m_session->digitalZoomFactor();
       
   138 }
       
   139 
       
   140 void S60CameraFocusControl::zoomTo(qreal optical, qreal digital)
       
   141 {	
       
   142 	m_session->setZoomFactor(optical, digital);
       
   143 	m_opticalZoomValue = optical;
       
   144 	m_digitalZoomValue = digital;
       
   145 }
       
   146 
       
   147 void S60CameraFocusControl::startFocusing()
       
   148 {
       
   149     m_session->startFocus();
       
   150     m_focusStatus = QCamera::FocusRequested;
       
   151     emit focusStatusChanged(QCamera::FocusRequested);
       
   152 }
       
   153 
       
   154 void S60CameraFocusControl::cancelFocusing()
       
   155 {
       
   156     m_session->cancelFocus();
       
   157     m_focusStatus = QCamera::FocusCanceled;
       
   158     emit focusStatusChanged(QCamera::FocusCanceled);
       
   159 }
       
   160 
       
   161 void S60CameraFocusControl::focusChanged(QCamera::FocusStatus status)
       
   162 {
       
   163     m_focusStatus = status;
       
   164     emit focusStatusChanged(status);
       
   165 }
       
   166