author | hgs |
Thu, 15 Jul 2010 01:46:05 +0300 | |
changeset 39 | c5025ea871a1 |
parent 28 | 3075d9b614e6 |
child 40 | 2922f70fca82 |
permissions | -rw-r--r-- |
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/* |
39 | 2 |
* 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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|
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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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|
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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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|
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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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|
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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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: CxeStateMachine("CxeAutoFocusControlSymbian"), |
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mCameraDevice(cameraDevice), |
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mAdvancedSettings(NULL), |
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mCancelled(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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28 | 55 |
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()) ); |
28 | 68 |
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 |
28 | 89 |
* \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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|
39 | 96 |
CX_DEBUG( ("CxeAutoFocusControlSymbian::start() <> state: %d, sound enabled: %d", |
97 |
state(), soundEnabled ) ); |
|
98 |
||
99 |
mSoundEnabled = soundEnabled; |
|
100 |
CxeError::Id error = CxeError::None; |
|
101 |
||
102 |
if (!isFixedFocusMode(mode())) { |
|
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if ( state() != CxeAutoFocusControl::InProgress && state() != CxeAutoFocusControl::Canceling ) { |
|
104 |
CX_DEBUG(("CxeAutoFocusControlSymbian::start() calling SetAutoFocusType")); |
|
105 |
mCancelled = false; |
|
106 |
setState(InProgress); |
|
107 |
setFocusRange(mAFRange); |
|
108 |
setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeSingle); |
|
109 |
} else { // AF was started earlier, can't start until it completes |
|
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error = CxeError::InUse; |
|
111 |
} |
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} |
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|
39 | 114 |
CX_DEBUG( ("CxeAutoFocusControlSymbian::start() <= error: %d", error ) ); |
115 |
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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|
39 | 129 |
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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|
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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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|
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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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/* |
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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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39 | 177 |
/** |
178 |
* 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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/* |
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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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|
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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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|
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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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|
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// We're only interested in autofocus events |
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if ( eventUid == KUidECamEventCameraSettingsOptimalFocusUidValue || |
28 | 217 |
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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|
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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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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/* |
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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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// No check if non-null. Not supported if zero pointer (see supported() ). |
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mAdvancedSettings = mCameraDevice.advancedSettings(); |
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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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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CX_DEBUG_ENTER_FUNCTION(); |
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CX_DEBUG_ASSERT(mAdvancedSettings); |
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mAdvancedSettings->SetFocusRange(range); |
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CX_DEBUG_EXIT_FUNCTION(); |
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} |
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|
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/* |
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* CxeAutoFocusControlSymbian::focusRange |
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*/ |
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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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|
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CX_DEBUG_EXIT_FUNCTION(); |
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return range; |
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344 |
} |
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|
345 |
|
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346 |
/* |
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|
347 |
* CxeAutoFocusControlSymbian::setFocusType |
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348 |
*/ |
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349 |
void CxeAutoFocusControlSymbian::setFocusType(CCamera::CCameraAdvancedSettings::TAutoFocusType type) |
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350 |
{ |
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|
351 |
CX_DEBUG_ENTER_FUNCTION(); |
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|
352 |
CX_DEBUG_ASSERT(mAdvancedSettings); |
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|
353 |
|
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|
354 |
mAdvancedSettings->SetAutoFocusType(type); |
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|
355 |
|
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|
356 |
CX_DEBUG_EXIT_FUNCTION(); |
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|
357 |
} |
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|
358 |
|
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|
359 |
/* |
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360 |
* CxeAutoFocusControlSymbian::supportedFocusTypes |
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361 |
*/ |
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362 |
int CxeAutoFocusControlSymbian::supportedFocusTypes() const |
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363 |
{ |
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364 |
CX_DEBUG_ENTER_FUNCTION(); |
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|
365 |
|
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366 |
const int support( mAdvancedSettings |
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367 |
? mAdvancedSettings->SupportedAutoFocusTypes() |
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368 |
: CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff ); |
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369 |
|
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370 |
CX_DEBUG_EXIT_FUNCTION(); |
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return support; |
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372 |
} |
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|
373 |
|
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374 |
/* |
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375 |
* CxeAutoFocusControlSymbian::focusType |
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376 |
*/ |
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377 |
CCamera::CCameraAdvancedSettings::TAutoFocusType CxeAutoFocusControlSymbian::focusType() const |
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378 |
{ |
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379 |
CX_DEBUG_ENTER_FUNCTION(); |
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|
380 |
|
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381 |
const CCamera::CCameraAdvancedSettings::TAutoFocusType type( |
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382 |
mAdvancedSettings |
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383 |
? mAdvancedSettings->AutoFocusType() |
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384 |
: CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff ); |
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|
385 |
|
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|
386 |
CX_DEBUG_EXIT_FUNCTION(); |
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387 |
return type; |
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388 |
} |
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|
389 |
|
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|
390 |
|
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|
391 |
/* |
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|
392 |
* Image Scene mode changed, get the new autofocus value |
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|
393 |
*/ |
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394 |
void CxeAutoFocusControlSymbian::handleSceneChanged(CxeScene& scene) |
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|
395 |
{ |
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|
396 |
CX_DEBUG_ENTER_FUNCTION(); |
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|
397 |
|
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|
398 |
// whenever scene mode is changed we set the state to unknown |
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|
399 |
setState(CxeAutoFocusControl::Unknown); |
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|
400 |
|
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|
401 |
// we are interested only in the AF range. |
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|
402 |
if(scene.contains(CxeSettingIds::FOCAL_RANGE) && supported() ) { |
39 | 403 |
|
19
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|
404 |
setMode(static_cast<CxeAutoFocusControl::Mode>(scene[CxeSettingIds::FOCAL_RANGE].toInt())); |
39 | 405 |
|
406 |
if (isFixedFocusMode(mode())) { |
|
407 |
// Focus now if a fixed focus mode is used. |
|
408 |
setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeSingle); |
|
409 |
// Set state to InProgress, so we know to set it ready in ECAM callback. |
|
410 |
setState(CxeAutoFocusControl::InProgress); |
|
411 |
} |
|
19
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|
412 |
} |
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|
413 |
|
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|
414 |
CX_DEBUG_EXIT_FUNCTION(); |
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|
415 |
} |
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|
416 |
|
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|
417 |
|
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|
418 |
|
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|
419 |
/* |
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|
420 |
* CxeAutoFocusControlSymbian::handleAfEvent |
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|
421 |
*/ |
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|
422 |
void CxeAutoFocusControlSymbian::handleAfEvent(int eventUid, int error) |
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|
423 |
{ |
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|
424 |
CX_DEBUG_ENTER_FUNCTION(); |
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|
425 |
|
d9aefe59d544
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|
426 |
switch ( state() ) { |
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|
427 |
case CxeAutoFocusControl::InProgress: { |
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Revision: 201011
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|
428 |
if (eventUid == KUidECamEventCameraSettingsOptimalFocusUidValue ) { |
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parents:
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|
429 |
OstTrace0(camerax_performance, CXEAUTOFOCUSCONTROLSYMBIAN_AF_LOCK, "msg: e_CX_AUTOFOCUS_LOCK 0"); |
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|
430 |
|
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Revision: 201011
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|
431 |
CX_DEBUG(("CxeAutoFocusControlSymbian::handleAfEvent <> KUidECamEventCameraSettingsOptimalFocus")); |
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Revision: 201011
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|
432 |
if (KErrNone == error) { |
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Revision: 201011
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|
433 |
setState(CxeAutoFocusControl::Ready); |
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Revision: 201011
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|
434 |
} else { |
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Revision: 201011
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parents:
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|
435 |
setState(CxeAutoFocusControl::Failed, error); |
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Revision: 201011
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parents:
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changeset
|
436 |
} |
28 | 437 |
} else if (eventUid == KUidECamEventCameraSettingFocusRangeUidValue) { |
438 |
// check for error, we don't need this event for anything else |
|
439 |
if (error != KErrNone) { |
|
440 |
CX_DEBUG(("CxeAutofocusControlSymbian::handleAfEvent <> " |
|
441 |
"KUidECamEventCameraSettingFocusRangeUidValue: autofocus failed %d", error)); |
|
442 |
setState(CxeAutoFocusControl::Failed, error); |
|
443 |
} |
|
19
d9aefe59d544
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|
444 |
} |
d9aefe59d544
Revision: 201011
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parents:
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changeset
|
445 |
break; |
d9aefe59d544
Revision: 201011
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parents:
diff
changeset
|
446 |
} |
d9aefe59d544
Revision: 201011
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parents:
diff
changeset
|
447 |
case CxeAutoFocusControl::Canceling: { |
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Revision: 201011
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parents:
diff
changeset
|
448 |
CX_DEBUG(("CxeAutoFocusControlSymbian::handleAfEvent <> Canceling")); |
d9aefe59d544
Revision: 201011
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parents:
diff
changeset
|
449 |
// Cancelling started by setting AF off to stop ongoing focus operation. |
d9aefe59d544
Revision: 201011
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parents:
diff
changeset
|
450 |
// Finalize cancelling by setting lens to hyperfocal position. |
d9aefe59d544
Revision: 201011
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parents:
diff
changeset
|
451 |
if (eventUid == KUidECamEventCameraSettingAutoFocusType2UidValue) { |
d9aefe59d544
Revision: 201011
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parents:
diff
changeset
|
452 |
if (focusType() == CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff) { |
d9aefe59d544
Revision: 201011
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parents:
diff
changeset
|
453 |
setFocusRange(CCamera::CCameraAdvancedSettings::EFocusRangeHyperfocal); |
d9aefe59d544
Revision: 201011
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parents:
diff
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|
454 |
setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeSingle); |
d9aefe59d544
Revision: 201011
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parents:
diff
changeset
|
455 |
} |
d9aefe59d544
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
456 |
} else if (eventUid == KUidECamEventCameraSettingsOptimalFocusUidValue) { |
d9aefe59d544
Revision: 201011
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parents:
diff
changeset
|
457 |
mCancelled = true; |
d9aefe59d544
Revision: 201011
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff
changeset
|
458 |
setState(CxeAutoFocusControl::Unknown); |
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Revision: 201011
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} |
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Revision: 201011
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break; |
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} |
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default: |
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break; |
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parents:
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} // end switch |
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28 | 467 |
CX_DEBUG_EXIT_FUNCTION(); |
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} |
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||
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/*! |
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* Public method for checking if auto focus sound is enabled |
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* \return true if enabled |
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*/ |
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bool CxeAutoFocusControlSymbian::isSoundEnabled() const |
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{ |
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return mSoundEnabled; |
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} |
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parents:
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// end of file |