--- a/camerauis/cameraxui/cxengine/src/cxeautofocuscontrolsymbian.cpp Tue Aug 31 15:03:46 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,531 +0,0 @@
-/*
-* Copyright (c) 2009-2010 Nokia Corporation and/or its subsidiary(-ies).
-* All rights reserved.
-* This component and the accompanying materials are made available
-* under the terms of "Eclipse Public License v1.0"
-* which accompanies this distribution, and is available
-* at the URL "http://www.eclipse.org/legal/epl-v10.html".
-*
-* Initial Contributors:
-* Nokia Corporation - initial contribution.
-*
-* Contributors:
-*
-* Description:
-*
-*/
-
-#include <QMetaType>
-#include <QImage>
-#include <fbs.h>
-#include <ecam.h> // CCamera
-#include <ecam/ecamadvsettingsintf.h> // CCamera
-#include <ecamadvsettings.h>
-
-#include "cxesettings.h"
-#include "cxeautofocuscontrolsymbian.h"
-#include "cxutils.h"
-#include "cxecameradevice.h" // CxeCameraDevice
-#include "cxesettingsmappersymbian.h"
-#include "cxeerrormappingsymbian.h"
-#include "cxestate.h"
-
-#include "OstTraceDefinitions.h"
-#ifdef OST_TRACE_COMPILER_IN_USE
-#include "cxeautofocuscontrolsymbianTraces.h"
-#endif
-
-
-
-/*
-* CxeAutoFocusControlSymbian::CxeAutoFocusControlSymbian
-*/
-CxeAutoFocusControlSymbian::CxeAutoFocusControlSymbian(CxeCameraDevice &cameraDevice,
- CxeSettings &settings)
- : CxeStateMachine("CxeAutoFocusControlSymbian"),
- mCameraDevice(cameraDevice),
- mAdvancedSettings(NULL),
- mSettings(settings),
- mCancelled(false),
- mFaceTrackingOverride(false)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- qRegisterMetaType<CxeAutoFocusControl::State>();
-
- initializeStates();
-
- OstTrace0(camerax_performance, CXEAUTOFOCUSCONTROLSYMBIAN_CREATE_MID1, "msg: e_CX_ENGINE_CONNECT_SIGNALS 1");
- // connect signals from cameraDevice, so we recieve events when camera reference changes
- QObject::connect( &cameraDevice,
- SIGNAL(prepareForCameraDelete()),
- this,SLOT(prepareForCameraDelete()) );
-
- QObject::connect( &cameraDevice,
- SIGNAL(cameraAllocated(CxeError::Id)),
- this,SLOT(handleCameraAllocated(CxeError::Id)) );
-
- QObject::connect( &cameraDevice,
- SIGNAL(prepareForRelease()),
- this,SLOT(prepareForRelease()) );
-
- // connect scene / setting change callbacks to settings control
- QObject::connect(&mSettings,
- SIGNAL(settingValueChanged(const QString&,QVariant)),
- this,
- SLOT(handleSettingValueChanged(const QString&,QVariant)));
-
- OstTrace0(camerax_performance, CXEAUTOFOCUSCONTROLSYMBIAN_CREATE_MID2, "msg: e_CX_ENGINE_CONNECT_SIGNALS 0");
-
- initializeResources();
-
- setMode(CxeAutoFocusControl::Hyperfocal);
- // autofocus sounds should be disabled by default
- mSoundEnabled = false;
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-
-/*
-* CxeAutoFocusControlSymbian::~CxeAutoFocusControlSymbian
-*/
-CxeAutoFocusControlSymbian::~CxeAutoFocusControlSymbian()
-{
- CX_DEBUG_ENTER_FUNCTION();
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-/*
-* Start Autofocus
-* \param soundEnabled False if the auto focus sound don't need to be played
-* Default value for soundEnabled is true
-*/
-CxeError::Id CxeAutoFocusControlSymbian::start(bool soundEnabled)
-{
- CX_ASSERT_ALWAYS(mAdvancedSettings);
-
- CX_DEBUG( ("CxeAutoFocusControlSymbian::start() <> state: %d, sound enabled: %d",
- state(), soundEnabled ) );
-
- mSoundEnabled = soundEnabled;
- CxeError::Id error = CxeError::None;
-
- if (!isFixedFocusMode(mode())) {
- if ( state() != CxeAutoFocusControl::InProgress && state() != CxeAutoFocusControl::Canceling ) {
- CX_DEBUG(("CxeAutoFocusControlSymbian::start() calling SetAutoFocusType"));
- mCancelled = false;
- setState(InProgress);
- setFocusRange(mAFRange);
- setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeSingle);
- } else { // AF was started earlier, can't start until it completes
- error = CxeError::InUse;
- }
- }
-
- CX_DEBUG( ("CxeAutoFocusControlSymbian::start() <= error: %d", error ) );
- return error;
-}
-
-
-
-/*
-* Cancel Autofocus
-*/
-void CxeAutoFocusControlSymbian::cancel()
-{
- CX_DEBUG( ("CxeAutoFocusControlSymbian::cancel <> state: %d", state() ) );
-
- CX_DEBUG_ASSERT(mAdvancedSettings);
-
- if (!mCancelled && !isFixedFocusMode(mode())) {
- if (state() == CxeAutoFocusControl::InProgress) {
- // Need to stop current AF first. Wait for AF event to proceed.
- setState(CxeAutoFocusControl::Canceling);
- setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff);
-
- } else if (state() != CxeAutoFocusControl::Canceling) {
- // Cancel means move to hyperfocal.
- setState(CxeAutoFocusControl::Canceling);
- CX_DEBUG(("CxeAutoFocusControlSymbian::cancel() moving to hyperfocal"));
- setFocusRange(CCamera::CCameraAdvancedSettings::EFocusRangeHyperfocal);
- setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeSingle);
- }
- }
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-
-/*
-* Set Autofocus mode
-*/
-void CxeAutoFocusControlSymbian::setMode(CxeAutoFocusControl::Mode newMode)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- CX_DEBUG_ASSERT(mAdvancedSettings);
-
- mAfMode = newMode;
- mAFRange = CxeSettingsMapperSymbian::Map2CameraAutofocus(mAfMode);
-
- CX_DEBUG(("CxeAutoFocusControlSymbian::setMode() mAFRange: %d", mAFRange));
-
- mCancelled = false;
- setFocusRange(mAFRange);
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-/*
-* returns Autofocus mode
-*/
-CxeAutoFocusControl::Mode CxeAutoFocusControlSymbian::mode() const
-{
- return mAfMode;
-}
-
-/**
-* Is the given mode a fixed focus mode?
-*/
-bool CxeAutoFocusControlSymbian::isFixedFocusMode(CxeAutoFocusControl::Mode mode) const
-{
- return (mode == CxeAutoFocusControl::Hyperfocal
- || mode == CxeAutoFocusControl::Infinity);
-}
-
-/*
-* To check if Autofocus is supported
-*/
-bool CxeAutoFocusControlSymbian::supported() const
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- bool supported =
- (supportedFocusTypes() != CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff);
-
- CX_DEBUG_EXIT_FUNCTION();
- return supported;
-}
-
-
-
-/*
-* Slot for handling ECam events
-*/
-void CxeAutoFocusControlSymbian::handleCameraEvent(int eventUid, int error)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- CX_DEBUG( ("CxeAutoFocusControlSymbian::handleCameraEvent <> state: %d error %d", state(), error ) );
- CX_DEBUG( ("CxeAutoFocusControlSymbian::handleCameraEvent <> uid: %x optimalfocusuid: %x focustype2uid %x",
- eventUid,
- KUidECamEventCameraSettingsOptimalFocusUidValue,
- KUidECamEventCameraSettingAutoFocusType2UidValue ));
-
- // We're only interested in autofocus events
- if ( eventUid == KUidECamEventCameraSettingsOptimalFocusUidValue ||
- eventUid == KUidECamEventCameraSettingAutoFocusType2UidValue ||
- eventUid == KUidECamEventCameraSettingFocusRangeUidValue) {
- // Autofocus Event handle it.
- handleAfEvent(eventUid, error);
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-
-
-void CxeAutoFocusControlSymbian::prepareForRelease()
-{
-
- CX_DEBUG_ENTER_FUNCTION();
-
- // camera is anyway released, so no need to cancel the AF anyway
- setState(CxeAutoFocusControl::Unknown);
- mCancelled = false;
-
- CX_DEBUG_EXIT_FUNCTION();
-
-}
-
-
-
-/*
-* camera reference changing, release resources
-*/
-void CxeAutoFocusControlSymbian::prepareForCameraDelete()
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- prepareForRelease();
- mAdvancedSettings = NULL;
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-
-/*
-* new camera available,
-*/
-void CxeAutoFocusControlSymbian::handleCameraAllocated(CxeError::Id error)
-{
- CX_DEBUG_ENTER_FUNCTION();
- if (!error) {
- setState(CxeAutoFocusControl::Unknown);
- mCancelled = false;
- initializeResources();
- }
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*
-* CxeAutoFocusControlSymbian::state
-*/
-CxeAutoFocusControl::State CxeAutoFocusControlSymbian::state() const
-{
- return static_cast<State>( stateId() );
-}
-
-/*
-* CxeAutoFocusControlSymbian::handleStateChanged
-*/
-void CxeAutoFocusControlSymbian::handleStateChanged( int newStateId, CxeError::Id error )
-{
- emit stateChanged(static_cast<State>(newStateId), error);
-}
-
-/*
-* CxeAutoFocusControlSymbian::initializeStates
-*/
-void CxeAutoFocusControlSymbian::initializeStates()
-{
- // addState( id, name, allowed next states )
- addState( new CxeState( Unknown , "Unknown", InProgress | Canceling ) );
- addState( new CxeState( InProgress , "InProgress", Unknown | Failed | Ready | Canceling ) );
- addState( new CxeState( Failed , "Failed", InProgress | Unknown | Canceling ) );
- addState( new CxeState( Ready , "Ready", Unknown | InProgress | Canceling ) );
- addState( new CxeState( Canceling , "Canceling", Unknown ) );
-
- setInitialState( Unknown );
-}
-
-/*
-* CxeAutoFocusControlSymbian::initializeResources
-*/
-void CxeAutoFocusControlSymbian::initializeResources()
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- // No check if non-null. Not supported if zero pointer (see supported() ).
- mAdvancedSettings = mCameraDevice.advancedSettings();
- CX_ASSERT_ALWAYS(mAdvancedSettings);
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-/*
-* CxeAutoFocusControlSymbian::setFocusRange
-*/
-void CxeAutoFocusControlSymbian::setFocusRange(CCamera::CCameraAdvancedSettings::TFocusRange range)
-{
- CX_DEBUG_ENTER_FUNCTION();
- CX_DEBUG_ASSERT(mAdvancedSettings);
-
- mAdvancedSettings->SetFocusRange(range);
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*
-* CxeAutoFocusControlSymbian::focusRange
-*/
-CCamera::CCameraAdvancedSettings::TFocusRange CxeAutoFocusControlSymbian::focusRange() const
-{
- CX_DEBUG_ENTER_FUNCTION();
- const CCamera::CCameraAdvancedSettings::TFocusRange range(
- mAdvancedSettings
- ? mAdvancedSettings->FocusRange()
- : CCamera::CCameraAdvancedSettings::EFocusRangeAuto );
-
- CX_DEBUG_EXIT_FUNCTION();
- return range;
-}
-
-/*
-* CxeAutoFocusControlSymbian::setFocusType
-*/
-void CxeAutoFocusControlSymbian::setFocusType(CCamera::CCameraAdvancedSettings::TAutoFocusType type)
-{
- CX_DEBUG_ENTER_FUNCTION();
- CX_DEBUG_ASSERT(mAdvancedSettings);
-
- mAdvancedSettings->SetAutoFocusType(type);
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*
-* CxeAutoFocusControlSymbian::supportedFocusTypes
-*/
-int CxeAutoFocusControlSymbian::supportedFocusTypes() const
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- const int support( mAdvancedSettings
- ? mAdvancedSettings->SupportedAutoFocusTypes()
- : CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff );
-
- CX_DEBUG_EXIT_FUNCTION();
- return support;
-}
-
-/*
-* CxeAutoFocusControlSymbian::focusType
-*/
-CCamera::CCameraAdvancedSettings::TAutoFocusType CxeAutoFocusControlSymbian::focusType() const
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- const CCamera::CCameraAdvancedSettings::TAutoFocusType type(
- mAdvancedSettings
- ? mAdvancedSettings->AutoFocusType()
- : CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff );
-
- CX_DEBUG_EXIT_FUNCTION();
- return type;
-}
-
-
-/*
-* Image Scene mode changed, get the new autofocus value
-*/
-void CxeAutoFocusControlSymbian::handleSceneChanged(const QVariant& sceneData)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- CxeScene scene = sceneData.value<CxeScene>();
- // whenever scene mode is changed we set the state to unknown
- setState(CxeAutoFocusControl::Unknown);
-
- // we are interested only in the AF range.
- if(scene.contains(CxeSettingIds::FOCAL_RANGE) && supported() ) {
-
- setMode(static_cast<CxeAutoFocusControl::Mode>(scene[CxeSettingIds::FOCAL_RANGE].toInt()));
-
- if (isFixedFocusMode(mode())) {
- // Focus now if a fixed focus mode is used.
- setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeSingle);
- // Set state to InProgress, so we know to set it ready in ECAM callback.
- setState(CxeAutoFocusControl::InProgress);
- }
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-
-/*
-* CxeAutoFocusControlSymbian::handleAfEvent
-*/
-void CxeAutoFocusControlSymbian::handleAfEvent(int eventUid, int error)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- switch ( state() ) {
- case CxeAutoFocusControl::InProgress: {
- if (eventUid == KUidECamEventCameraSettingsOptimalFocusUidValue ) {
- OstTrace0(camerax_performance, CXEAUTOFOCUSCONTROLSYMBIAN_AF_LOCK, "msg: e_CX_AUTOFOCUS_LOCK 0");
-
- CX_DEBUG(("CxeAutoFocusControlSymbian::handleAfEvent <> KUidECamEventCameraSettingsOptimalFocus"));
- if (KErrNone == error) {
- setState(CxeAutoFocusControl::Ready);
- } else {
- setState(CxeAutoFocusControl::Failed, CxeErrorHandlingSymbian::map(error));
- }
- } else if (eventUid == KUidECamEventCameraSettingFocusRangeUidValue) {
- // check for error, we don't need this event for anything else
- if (error != KErrNone) {
- CX_DEBUG(("CxeAutofocusControlSymbian::handleAfEvent <> "
- "KUidECamEventCameraSettingFocusRangeUidValue: autofocus failed %d", error));
- setState(CxeAutoFocusControl::Failed, CxeErrorHandlingSymbian::map(error));
- }
- }
- break;
- }
- case CxeAutoFocusControl::Canceling: {
- CX_DEBUG(("CxeAutoFocusControlSymbian::handleAfEvent <> Canceling"));
- // Cancelling started by setting AF off to stop ongoing focus operation.
- // Finalize cancelling by setting lens to hyperfocal position.
- if (eventUid == KUidECamEventCameraSettingAutoFocusType2UidValue) {
- if (focusType() == CCamera::CCameraAdvancedSettings::EAutoFocusTypeOff) {
- setFocusRange(CCamera::CCameraAdvancedSettings::EFocusRangeHyperfocal);
- setFocusType(CCamera::CCameraAdvancedSettings::EAutoFocusTypeSingle);
- }
- } else if (eventUid == KUidECamEventCameraSettingsOptimalFocusUidValue) {
- mCancelled = true;
- setState(CxeAutoFocusControl::Unknown);
- }
-
- break;
- }
- default:
- break;
- } // end switch
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-/*!
- * Public method for checking if auto focus sound is enabled
- * \return true if enabled
- */
-bool CxeAutoFocusControlSymbian::isSoundEnabled() const
-{
- return mSoundEnabled;
-}
-
-/*!
-* Handle new setting value.
-* New value is set to camera.
-* \param settingId The id of the updated setting
-* \param newValue A new value for the updated setting
-*/
-void CxeAutoFocusControlSymbian::handleSettingValueChanged(const QString& settingId, QVariant newValue)
-{
- CX_DEBUG_ENTER_FUNCTION();
- if (settingId == CxeSettingIds::FACE_TRACKING) {
- // Updating AF mode when face tracking is activated
- // in scene mode which doesn't support face tracking
- if (newValue.toInt()) {
- //Face tracking enabled
- if(mAfMode == CxeAutoFocusControl::Infinity ||
- mAfMode == CxeAutoFocusControl::Hyperfocal) {
- mPreviousAFMode = mAfMode;
- setMode(CxeAutoFocusControl::Auto);
- mFaceTrackingOverride = true;
- }
- } else {
- //Face tracking disabled
- if (mFaceTrackingOverride) {
- mAfMode = mPreviousAFMode;
- setMode(mAfMode);
- mFaceTrackingOverride = false;
- }
- }
-
- } else {
- // do nothing
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-// end of file