camerauis/cameraxui/cxengine/src/cxeautofocuscontroldesktop.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 15:03:46 +0300
branchRCL_3
changeset 53 61bc0f252b2b
permissions -rw-r--r--
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/*
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* Copyright (c) 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 "cxesettings.h"
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#include "cxeautofocuscontroldesktop.h"
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#include "cxutils.h"
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#include "cxestate.h"
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/*
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* CxeAutoFocusControlSymbian::CxeAutoFocusControlSymbian
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*/
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CxeAutoFocusControlDesktop::CxeAutoFocusControlDesktop()
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    : mCancelled(false),
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      mState(Unknown)
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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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    initializeResources();
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    CX_DEBUG_EXIT_FUNCTION();
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}
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/*
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* CxeAutoFocusControlDesktop::~CxeAutoFocusControlDesktop
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*/
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CxeAutoFocusControlDesktop::~CxeAutoFocusControlDesktop()
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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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*/
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CxeError::Id CxeAutoFocusControlDesktop::start(bool soundEnabled)
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{
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    Q_UNUSED(soundEnabled);
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    CX_DEBUG( ("CxeAutoFocusControlDesktop::start() <> state: %d", state() ) );
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    CxeError::Id err = CxeError::None;
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    if (state() != CxeAutoFocusControl::InProgress && state() != CxeAutoFocusControl::Canceling) {
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        CX_DEBUG(("CxeAutoFocusControlDesktop::start() calling SetAutoFocusType"));
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        mCancelled = false;
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        mState = Ready;
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        emit stateChanged(mState, CxeError::None);
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    } else { // AF was started earlier, can't start until it completes
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        err = CxeError::InUse;
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    }
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    CX_DEBUG( ("CxeAutoFocusControlDesktop::start() <= err : %d", err ) );
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    return err;
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}
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/*
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* Cancel Autofocus
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*/
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void CxeAutoFocusControlDesktop::cancel()
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{
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    CX_DEBUG( ("CxeAutoFocusControlSymbian::cancel <> state: %d", state() ) );
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    if (!mCancelled) {
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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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            mState = Canceling;
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            emit stateChanged(mState, CxeError::None);
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        } else if (state() != CxeAutoFocusControl::Canceling) {
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            // Cancel means move to hyperfocal.
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            mState = Canceling;
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            emit stateChanged(mState, CxeError::None);
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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 CxeAutoFocusControlDesktop::setMode(CxeAutoFocusControl::Mode newMode)
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    mAfMode = newMode;
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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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* returns Autofocus mode
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*/
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CxeAutoFocusControl::Mode CxeAutoFocusControlDesktop::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 CxeAutoFocusControlDesktop::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 CxeAutoFocusControlDesktop::supported() const
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    bool supported = true;
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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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* CxeAutoFocusControlDesktop::state
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*/
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CxeAutoFocusControl::State CxeAutoFocusControlDesktop::state() const
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{
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    return mState;
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}
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/*
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* CxeAutoFocusControlDesktop::initializeStates
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*/
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void CxeAutoFocusControlDesktop::initializeStates()
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{
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}
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/*
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* CxeAutoFocusControlDesktop::initializeResources
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*/
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void CxeAutoFocusControlDesktop::initializeResources()
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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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  * 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 CxeAutoFocusControlDesktop::isSoundEnabled() const
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{
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    return false; // should actually return mSoundEnabled
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}
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// end of file