camerauis/cameraxui/cxengine/src/cxeautofocuscontrolsymbian.cpp
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201023
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/*
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* Copyright (c) 2009-2010 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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#include <QMetaType>
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#include <QImage>
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#include <fbs.h>
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#include <ecam.h> // CCamera
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#include <ecam/ecamadvsettingsintf.h> // CCamera
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#include <ecamadvsettings.h>
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#include "cxesettings.h"
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#include "cxeautofocuscontrolsymbian.h"
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#include "cxutils.h"
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#include "cxecameradevice.h" // CxeCameraDevice
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#include "cxesettingsmappersymbian.h"
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#include "cxeerrormappingsymbian.h"
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#include "cxestate.h"
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#include "OstTraceDefinitions.h"
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#ifdef OST_TRACE_COMPILER_IN_USE
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#include "cxeautofocuscontrolsymbianTraces.h"
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#endif
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/*
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* CxeAutoFocusControlSymbian::CxeAutoFocusControlSymbian
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*/
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CxeAutoFocusControlSymbian::CxeAutoFocusControlSymbian(CxeCameraDevice &cameraDevice,
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                                                       CxeSettings &settings)
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    : CxeStateMachine("CxeAutoFocusControlSymbian"),
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      mCameraDevice(cameraDevice),
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      mAdvancedSettings(NULL),
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      mSettings(settings),
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      mCancelled(false),
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      mFaceTrackingOverride(false)
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    qRegisterMetaType<CxeAutoFocusControl::State>();
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    initializeStates();
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    OstTrace0(camerax_performance, CXEAUTOFOCUSCONTROLSYMBIAN_CREATE_MID1, "msg: e_CX_ENGINE_CONNECT_SIGNALS 1");
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    // connect signals from cameraDevice, so we recieve events when camera reference changes
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    QObject::connect( &cameraDevice,
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                      SIGNAL(prepareForCameraDelete()),
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                      this,SLOT(prepareForCameraDelete()) );
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    QObject::connect( &cameraDevice,
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                      SIGNAL(cameraAllocated(CxeError::Id)),
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                      this,SLOT(handleCameraAllocated(CxeError::Id)) );
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    QObject::connect( &cameraDevice,
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                      SIGNAL(prepareForRelease()),
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                      this,SLOT(prepareForRelease()) );
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    // connect scene / setting change callbacks to settings control
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    QObject::connect(&mSettings,
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            SIGNAL(settingValueChanged(const QString&,QVariant)),
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            this,
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            SLOT(handleSettingValueChanged(const QString&,QVariant)));
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    OstTrace0(camerax_performance, CXEAUTOFOCUSCONTROLSYMBIAN_CREATE_MID2, "msg: e_CX_ENGINE_CONNECT_SIGNALS 0");
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    initializeResources();
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    CX_DEBUG_EXIT_FUNCTION();
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}
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/*
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* CxeAutoFocusControlSymbian::~CxeAutoFocusControlSymbian
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*/
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CxeAutoFocusControlSymbian::~CxeAutoFocusControlSymbian()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    CX_DEBUG_EXIT_FUNCTION();
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}
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/*
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* Start Autofocus
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* \param soundEnabled False if the auto focus sound don't need to be played
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* Default value for soundEnabled is true
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*/
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CxeError::Id CxeAutoFocusControlSymbian::start(bool soundEnabled)
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{
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    CX_ASSERT_ALWAYS(mAdvancedSettings);
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    CX_DEBUG( ("CxeAutoFocusControlSymbian::start() <> state: %d, sound enabled: %d",
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               state(), soundEnabled ) );
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    mSoundEnabled = soundEnabled;
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    CxeError::Id error = CxeError::None;
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    if (!isFixedFocusMode(mode())) {
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        if ( state() != CxeAutoFocusControl::InProgress && state() != CxeAutoFocusControl::Canceling  ) {
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            CX_DEBUG(("CxeAutoFocusControlSymbian::start() calling SetAutoFocusType"));
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            mCancelled = false;
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            setState(InProgress);
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            setFocusRange(mAFRange);
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            setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeSingle);
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        } else { // AF was started earlier, can't start until it completes
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            error = CxeError::InUse;
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        }
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    }
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    CX_DEBUG( ("CxeAutoFocusControlSymbian::start() <= error: %d", error ) );
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    return error;
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}
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/*
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* Cancel Autofocus
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*/
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void CxeAutoFocusControlSymbian::cancel()
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{
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    CX_DEBUG( ("CxeAutoFocusControlSymbian::cancel <> state: %d", state() ) );
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    CX_DEBUG_ASSERT(mAdvancedSettings);
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    if (!mCancelled && !isFixedFocusMode(mode())) {
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        if (state() == CxeAutoFocusControl::InProgress) {
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            // Need to stop current AF first. Wait for AF event to proceed.
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            setState(CxeAutoFocusControl::Canceling);
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            setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff);
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        } else if (state() != CxeAutoFocusControl::Canceling) {
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            // Cancel means move to hyperfocal.
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            setState(CxeAutoFocusControl::Canceling);
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            CX_DEBUG(("CxeAutoFocusControlSymbian::cancel() moving to hyperfocal"));
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            setFocusRange(CCamera::CCameraAdvancedSettings::EFocusRangeHyperfocal);
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            setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeSingle);
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        }
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    }
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    CX_DEBUG_EXIT_FUNCTION();
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}
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/*
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* Set Autofocus mode
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*/
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void CxeAutoFocusControlSymbian::setMode(CxeAutoFocusControl::Mode newMode)
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    CX_DEBUG_ASSERT(mAdvancedSettings);
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    mAfMode = newMode;
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    mAFRange = CxeSettingsMapperSymbian::Map2CameraAutofocus(mAfMode);
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    CX_DEBUG(("CxeAutoFocusControlSymbian::setMode() mAFRange: %d", mAFRange));
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    mCancelled = false;
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    setFocusRange(mAFRange);
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    CX_DEBUG_EXIT_FUNCTION();
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}
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/*
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* returns Autofocus mode
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*/
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CxeAutoFocusControl::Mode CxeAutoFocusControlSymbian::mode() const
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{
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    return mAfMode;
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}
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/**
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* Is the given mode a fixed focus mode?
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*/
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bool CxeAutoFocusControlSymbian::isFixedFocusMode(CxeAutoFocusControl::Mode mode) const
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{
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    return (mode == CxeAutoFocusControl::Hyperfocal
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         || mode == CxeAutoFocusControl::Infinity);
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}
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/*
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* To check if Autofocus is supported
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*/
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bool CxeAutoFocusControlSymbian::supported() const
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    bool supported =
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        (supportedFocusTypes() != CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff);
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    CX_DEBUG_EXIT_FUNCTION();
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    return supported;
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}
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/*
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* Slot for handling ECam events
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*/
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void CxeAutoFocusControlSymbian::handleCameraEvent(int eventUid, int error)
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    CX_DEBUG( ("CxeAutoFocusControlSymbian::handleCameraEvent <> state: %d error %d", state(), error ) );
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    CX_DEBUG( ("CxeAutoFocusControlSymbian::handleCameraEvent <> uid: %x optimalfocusuid: %x focustype2uid %x",
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              eventUid,
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              KUidECamEventCameraSettingsOptimalFocusUidValue,
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              KUidECamEventCameraSettingAutoFocusType2UidValue ));
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    // We're only interested in autofocus events
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    if ( eventUid == KUidECamEventCameraSettingsOptimalFocusUidValue ||
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         eventUid == KUidECamEventCameraSettingAutoFocusType2UidValue ||
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         eventUid == KUidECamEventCameraSettingFocusRangeUidValue) {
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         // Autofocus Event handle it.
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         handleAfEvent(eventUid, error);
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    }
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    CX_DEBUG_EXIT_FUNCTION();
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}
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void CxeAutoFocusControlSymbian::prepareForRelease()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    // camera is anyway released, so no need to cancel the AF anyway
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    setState(CxeAutoFocusControl::Unknown);
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    mCancelled = false;
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    CX_DEBUG_EXIT_FUNCTION();
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}
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/*
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* camera reference changing, release resources
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*/
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void CxeAutoFocusControlSymbian::prepareForCameraDelete()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    prepareForRelease();
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    mAdvancedSettings = NULL;
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    CX_DEBUG_EXIT_FUNCTION();
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}
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/*
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* new camera available,
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*/
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void CxeAutoFocusControlSymbian::handleCameraAllocated(CxeError::Id error)
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    if (!error) {
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        setState(CxeAutoFocusControl::Unknown);
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        mCancelled = false;
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        initializeResources();
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    }
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    CX_DEBUG_EXIT_FUNCTION();
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}
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/*
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* CxeAutoFocusControlSymbian::state
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*/
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CxeAutoFocusControl::State CxeAutoFocusControlSymbian::state() const
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{
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    return static_cast<State>( stateId() );
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}
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/*
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* CxeAutoFocusControlSymbian::handleStateChanged
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*/
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void CxeAutoFocusControlSymbian::handleStateChanged( int newStateId, CxeError::Id error )
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{
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    emit stateChanged(static_cast<State>(newStateId), error);
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}
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/*
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* CxeAutoFocusControlSymbian::initializeStates
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*/
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void CxeAutoFocusControlSymbian::initializeStates()
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{
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    // addState( id, name, allowed next states )
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    addState( new CxeState( Unknown , "Unknown", InProgress | Canceling ) );
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    addState( new CxeState( InProgress , "InProgress", Unknown | Failed | Ready | Canceling ) );
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    addState( new CxeState( Failed , "Failed", InProgress | Unknown | Canceling ) );
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    addState( new CxeState( Ready , "Ready", Unknown | InProgress | Canceling ) );
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    addState( new CxeState( Canceling , "Canceling", Unknown ) );
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    setInitialState( Unknown );
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}
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   313
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/*
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* CxeAutoFocusControlSymbian::initializeResources
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*/
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void CxeAutoFocusControlSymbian::initializeResources()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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   320
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    // No check if non-null. Not supported if zero pointer (see supported() ).
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    mAdvancedSettings = mCameraDevice.advancedSettings();
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   323
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    CX_DEBUG_EXIT_FUNCTION();
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}
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   326
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/*
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* CxeAutoFocusControlSymbian::setFocusRange
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*/
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void CxeAutoFocusControlSymbian::setFocusRange(CCamera::CCameraAdvancedSettings::TFocusRange range)
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{
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   333
    CX_DEBUG_ENTER_FUNCTION();
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    CX_DEBUG_ASSERT(mAdvancedSettings);
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   335
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    mAdvancedSettings->SetFocusRange(range);
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   337
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    CX_DEBUG_EXIT_FUNCTION();
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}
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   341
/*
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* CxeAutoFocusControlSymbian::focusRange
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   343
*/
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CCamera::CCameraAdvancedSettings::TFocusRange CxeAutoFocusControlSymbian::focusRange() const
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    const CCamera::CCameraAdvancedSettings::TFocusRange range(
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        mAdvancedSettings
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              ? mAdvancedSettings->FocusRange()
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              : CCamera::CCameraAdvancedSettings::EFocusRangeAuto );
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    CX_DEBUG_EXIT_FUNCTION();
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    return range;
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}
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   356
/*
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* CxeAutoFocusControlSymbian::setFocusType
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   358
*/
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   359
void CxeAutoFocusControlSymbian::setFocusType(CCamera::CCameraAdvancedSettings::TAutoFocusType type)
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{
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   361
    CX_DEBUG_ENTER_FUNCTION();
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   362
    CX_DEBUG_ASSERT(mAdvancedSettings);
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   363
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   364
    mAdvancedSettings->SetAutoFocusType(type);
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   365
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   366
    CX_DEBUG_EXIT_FUNCTION();
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}
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   368
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/*
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
* CxeAutoFocusControlSymbian::supportedFocusTypes
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
*/
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
int CxeAutoFocusControlSymbian::supportedFocusTypes() const
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
{
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
    CX_DEBUG_ENTER_FUNCTION();
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
    const int support( mAdvancedSettings
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
                     ? mAdvancedSettings->SupportedAutoFocusTypes()
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
                     : CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff );
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
    CX_DEBUG_EXIT_FUNCTION();
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
    return support;
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
}
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
/*
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
* CxeAutoFocusControlSymbian::focusType
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
*/
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
CCamera::CCameraAdvancedSettings::TAutoFocusType CxeAutoFocusControlSymbian::focusType() const
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
{
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
    CX_DEBUG_ENTER_FUNCTION();
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
    const CCamera::CCameraAdvancedSettings::TAutoFocusType type(
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
        mAdvancedSettings
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
              ? mAdvancedSettings->AutoFocusType()
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
              : CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff );
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
    CX_DEBUG_EXIT_FUNCTION();
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
    return type;
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
}
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
/*
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
* Image Scene mode changed, get the new autofocus value
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
*/
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
void CxeAutoFocusControlSymbian::handleSceneChanged(CxeScene& scene)
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
{
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
    CX_DEBUG_ENTER_FUNCTION();
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
    // whenever scene mode is changed we set the state to unknown
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
    setState(CxeAutoFocusControl::Unknown);
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
    // we are interested only in the AF range.
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
    if(scene.contains(CxeSettingIds::FOCAL_RANGE) && supported() ) {
39
c5025ea871a1 201021_1
hgs
parents: 28
diff changeset
   413
19
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
        setMode(static_cast<CxeAutoFocusControl::Mode>(scene[CxeSettingIds::FOCAL_RANGE].toInt()));
39
c5025ea871a1 201021_1
hgs
parents: 28
diff changeset
   415
c5025ea871a1 201021_1
hgs
parents: 28
diff changeset
   416
        if (isFixedFocusMode(mode())) {
c5025ea871a1 201021_1
hgs
parents: 28
diff changeset
   417
            // Focus now if a fixed focus mode is used.
c5025ea871a1 201021_1
hgs
parents: 28
diff changeset
   418
            setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeSingle);
c5025ea871a1 201021_1
hgs
parents: 28
diff changeset
   419
            // Set state to InProgress, so we know to set it ready in ECAM callback.
c5025ea871a1 201021_1
hgs
parents: 28
diff changeset
   420
            setState(CxeAutoFocusControl::InProgress);
c5025ea871a1 201021_1
hgs
parents: 28
diff changeset
   421
        }
19
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
    }
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
    CX_DEBUG_EXIT_FUNCTION();
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
}
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
/*
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
* CxeAutoFocusControlSymbian::handleAfEvent
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
*/
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
void CxeAutoFocusControlSymbian::handleAfEvent(int eventUid, int error)
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
{
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
    CX_DEBUG_ENTER_FUNCTION();
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
    switch ( state() ) {
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
    case CxeAutoFocusControl::InProgress: {
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
        if (eventUid == KUidECamEventCameraSettingsOptimalFocusUidValue ) {
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
            OstTrace0(camerax_performance, CXEAUTOFOCUSCONTROLSYMBIAN_AF_LOCK, "msg: e_CX_AUTOFOCUS_LOCK 0");
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
            CX_DEBUG(("CxeAutoFocusControlSymbian::handleAfEvent <> KUidECamEventCameraSettingsOptimalFocus"));
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
            if (KErrNone == error) {
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
                setState(CxeAutoFocusControl::Ready);
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
            } else {
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
                setState(CxeAutoFocusControl::Failed, error);
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
            }
28
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   447
         } else if (eventUid == KUidECamEventCameraSettingFocusRangeUidValue) {
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   448
             // check for error, we don't need this event for anything else
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   449
             if (error != KErrNone) {
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   450
                 CX_DEBUG(("CxeAutofocusControlSymbian::handleAfEvent <> "
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   451
                         "KUidECamEventCameraSettingFocusRangeUidValue: autofocus failed %d", error));
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   452
                 setState(CxeAutoFocusControl::Failed, error);
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   453
             }
19
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
         }
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
         break;
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
        }
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
    case CxeAutoFocusControl::Canceling: {
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
        CX_DEBUG(("CxeAutoFocusControlSymbian::handleAfEvent <> Canceling"));
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
        // Cancelling started by setting AF off to stop ongoing focus operation.
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
        // Finalize cancelling by setting lens to hyperfocal position.
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
        if (eventUid == KUidECamEventCameraSettingAutoFocusType2UidValue) {
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
            if (focusType() == CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff) {
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
                setFocusRange(CCamera::CCameraAdvancedSettings::EFocusRangeHyperfocal);
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
                setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeSingle);
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
            }
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
        } else if (eventUid == KUidECamEventCameraSettingsOptimalFocusUidValue) {
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
            mCancelled = true;
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
            setState(CxeAutoFocusControl::Unknown);
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
        }
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
        break;
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
    }
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
    default:
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
        break;
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
    } // end switch
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
28
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   477
    CX_DEBUG_EXIT_FUNCTION();
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   478
}
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   479
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   480
/*!
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   481
  * Public method for checking if auto focus sound is enabled
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   482
  * \return true if enabled
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   483
  */
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   484
bool CxeAutoFocusControlSymbian::isSoundEnabled() const
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   485
{
3075d9b614e6 201017_1
hgs
parents: 19
diff changeset
   486
    return mSoundEnabled;
19
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
}
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
40
hgs
parents: 39
diff changeset
   489
/*!
hgs
parents: 39
diff changeset
   490
* Handle new setting value.
hgs
parents: 39
diff changeset
   491
* New value is set to camera.
hgs
parents: 39
diff changeset
   492
* \param settingId The id of the updated setting
hgs
parents: 39
diff changeset
   493
* \param newValue A new value for the updated setting
hgs
parents: 39
diff changeset
   494
*/
hgs
parents: 39
diff changeset
   495
void CxeAutoFocusControlSymbian::handleSettingValueChanged(const QString& settingId, QVariant newValue)
hgs
parents: 39
diff changeset
   496
{
hgs
parents: 39
diff changeset
   497
    CX_DEBUG_ENTER_FUNCTION();
hgs
parents: 39
diff changeset
   498
    if (settingId == CxeSettingIds::FACE_TRACKING) {
hgs
parents: 39
diff changeset
   499
        // Updating AF mode when face tracking is activated
hgs
parents: 39
diff changeset
   500
        // in scene mode which doesn't support face tracking
hgs
parents: 39
diff changeset
   501
        if (newValue.toInt()) {
hgs
parents: 39
diff changeset
   502
            //Face tracking enabled
hgs
parents: 39
diff changeset
   503
            if(mAfMode == CxeAutoFocusControl::Infinity ||
hgs
parents: 39
diff changeset
   504
               mAfMode == CxeAutoFocusControl::Hyperfocal) {
hgs
parents: 39
diff changeset
   505
                mPreviousAFMode = mAfMode;
hgs
parents: 39
diff changeset
   506
                setMode(CxeAutoFocusControl::Auto);
hgs
parents: 39
diff changeset
   507
                mFaceTrackingOverride = true;
hgs
parents: 39
diff changeset
   508
            }
hgs
parents: 39
diff changeset
   509
        } else {
hgs
parents: 39
diff changeset
   510
            //Face tracking disabled
hgs
parents: 39
diff changeset
   511
            if (mFaceTrackingOverride) {
hgs
parents: 39
diff changeset
   512
                mAfMode = mPreviousAFMode;
hgs
parents: 39
diff changeset
   513
                setMode(mAfMode);
hgs
parents: 39
diff changeset
   514
                mFaceTrackingOverride = false;
hgs
parents: 39
diff changeset
   515
            }
hgs
parents: 39
diff changeset
   516
        }
hgs
parents: 39
diff changeset
   517
hgs
parents: 39
diff changeset
   518
    } else {
hgs
parents: 39
diff changeset
   519
        // do nothing
hgs
parents: 39
diff changeset
   520
    }
hgs
parents: 39
diff changeset
   521
hgs
parents: 39
diff changeset
   522
    CX_DEBUG_EXIT_FUNCTION();
hgs
parents: 39
diff changeset
   523
}
hgs
parents: 39
diff changeset
   524
19
d9aefe59d544 Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   525
// end of file