camerauis/cameraxui/cxengine/src/cxecameradevicecontrolsymbian.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Tue, 31 Aug 2010 15:03:46 +0300
branchRCL_3
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permissions -rw-r--r--
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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 "cxecameradevicecontrolsymbian.h"
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#include "cxesettingsimp.h"
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#include "cxefeaturemanagerimp.h"
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#include "cxutils.h"
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#include "cxenamespace.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 "cxecameradevicecontrolsymbianTraces.h"
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#endif
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CxeCameraDeviceControlSymbian::CxeCameraDeviceControlSymbian()
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    : CxeStateMachine("CxeCameraDeviceControlSymbian"),
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    mCameraDevice(NULL),
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    mCameraIndex(Cxe::PrimaryCameraIndex),
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    mCameraMode(Cxe::ImageMode)
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{
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    CX_DEBUG_ENTER_FUNCTION();
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#ifdef FORCE_SECONDARY_CAMERA
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    mCameraIndex = Cxe::SecondaryCameraIndex;
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#endif
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    qRegisterMetaType<CxeCameraDeviceControl::State>();
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    initializeStates();
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    mCameraDevice = new CxeCameraDevice();
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    //!@todo Temporary delay before reserving camera to avoid timing issues
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    connect(&mReserveTimer, SIGNAL(timeout()), this, SLOT(doReserve()));
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    mReserveTimer.setSingleShot(true);
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    CX_DEBUG_EXIT_FUNCTION();
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}
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CxeCameraDeviceControlSymbian::~CxeCameraDeviceControlSymbian()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    // release current camera
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    releaseCurrentCamera();
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    delete mCameraDevice;
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    CX_DEBUG_EXIT_FUNCTION();
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}
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void CxeCameraDeviceControlSymbian::init()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    CxeError::Id err = mCameraDevice->newCamera(mCameraIndex, this);
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    if (err) {
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        emit initModeComplete(err);
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    }
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    CX_DEBUG_EXIT_FUNCTION();
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}
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void CxeCameraDeviceControlSymbian::reserve()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    CX_ASSERT_ALWAYS(mCameraDevice);
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    if (state() == Idle) {
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        setState(Initializing);
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        //!@todo Temporary delay before reserving camera to avoid timing issues
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        mReserveTimer.start(2000);
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        OstTrace0(camerax_performance, CXECAMERADEVICECONTROLSYMBIAN_RESERVE, "msg: e_CX_RESERVE 1");
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        CX_DEBUG(("HACK: Waiting for 2000ms before really doing reserve()"));
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    } else if (state() == PendingRelease) {
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        // if we get a reserve request and if there is a pending release
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        // it is just fine to continue the init operation.
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        setState(Initializing);
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    } else {
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        // nothing to do
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    }
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    CX_DEBUG_EXIT_FUNCTION();
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}
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void CxeCameraDeviceControlSymbian::doReserve()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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    CX_ASSERT_ALWAYS(mCameraDevice);
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    mCameraDevice->reserveCamera();
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    CX_DEBUG_EXIT_FUNCTION();
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}
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void CxeCameraDeviceControlSymbian::powerOn()
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{
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    CX_DEBUG_ENTER_FUNCTION();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   114
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   115
    CX_DEBUG_ASSERT(mCameraDevice && mCameraDevice->camera());
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   116
    if (state() == Initializing) {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   117
        mCameraDevice->camera()->PowerOn();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   118
        OstTrace0(camerax_performance, CXECAMERADEVICECONTROLSYMBIAN_POWERON, "msg: e_CX_POWER_ON 1");
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   119
    }
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   120
    CX_DEBUG_EXIT_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   121
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   122
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   123
void CxeCameraDeviceControlSymbian::HandleEvent(const TECAMEvent &aEvent)
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   124
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   125
    doHandleEvent( aEvent );
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   126
    emit cameraEvent( aEvent.iEventType.iUid, aEvent.iErrorCode );
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   127
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   128
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   129
void CxeCameraDeviceControlSymbian::doHandleEvent(const TECAMEvent &aEvent)
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   130
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   131
    CX_DEBUG_ENTER_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   132
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   133
    CX_DEBUG(("Cxe: event 0x%08x, %d", aEvent.iEventType.iUid, aEvent.iErrorCode));
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   134
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   135
    if(aEvent.iEventType == KUidECamEventReserveComplete) {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   136
        handleReserveComplete(aEvent.iErrorCode);
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   137
    }
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   138
    else if(aEvent.iEventType == KUidECamEventPowerOnComplete) {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   139
        handlePowerOnComplete(aEvent.iErrorCode);
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   140
    }
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   141
    else if(aEvent.iEventType == KUidECamEventCameraNoLongerReserved)
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   142
        {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   143
        handleNoLongerReserved(aEvent.iErrorCode);
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   144
        }
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   145
    else
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   146
        {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   147
        // We don't care about this event -- ignore
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   148
        }
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   149
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   150
    CX_DEBUG_EXIT_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   151
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   152
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   153
void CxeCameraDeviceControlSymbian::handleReserveComplete(int error)
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   154
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   155
    CX_DEBUG_ENTER_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   156
    OstTrace0( camerax_performance, CXECAMERADEVICECONTROLSYMBIAN_HANDLERESERVECOMPLETE, "msg: e_CX_RESERVE 0" );
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   157
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   158
    if(state() == PendingRelease) {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   159
        release();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   160
    } else {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   161
        if (!error) {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   162
            powerOn();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   163
        } else {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   164
            emit initModeComplete(CxeErrorHandlingSymbian::map(error));
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   165
            setState(Idle);
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   166
        }
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   167
    }
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   168
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   169
    CX_DEBUG_EXIT_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   170
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   171
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   172
void CxeCameraDeviceControlSymbian::handlePowerOnComplete(int error)
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   173
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   174
    CX_DEBUG_ENTER_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   175
    OstTrace0(camerax_performance, CXECAMERADEVICECONTROLSYMBIAN_HANDLEPOWERONCOMPLETE, "msg: e_CX_POWER_ON 0");
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   176
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   177
    if(state() == PendingRelease) {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   178
        release();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   179
    } else {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   180
        if (!error) {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   181
            setState(Ready);
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   182
            emit deviceReady(); // this will trigger prepare for either still or video mode
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   183
        } else {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   184
            setState(PendingRelease);
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   185
            release();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   186
            emit initModeComplete(CxeErrorHandlingSymbian::map(error));
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   187
        }
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   188
    }
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   189
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   190
    CX_DEBUG_EXIT_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   191
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   192
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   193
void CxeCameraDeviceControlSymbian::handleNoLongerReserved(int /* error */)
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   194
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   195
    setState( Idle );
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   196
    //! @todo: handle cases where camera is lost
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   197
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   198
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   199
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   200
/*
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   201
* switch between camera <-> primary <-> secondary
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   202
*/
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   203
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   204
CxeError::Id CxeCameraDeviceControlSymbian::switchCamera(Cxe::CameraIndex cameraIndex)
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   205
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   206
    CX_DEBUG_ENTER_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   207
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   208
#ifdef FORCE_SECONDARY_CAMERA
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   209
    // 2nd camera forced use, make us believe camera never needs to be swithed.
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   210
    CX_DEBUG(("CxeCameraDeviceControlSymbian::switchCamera() second camera forced, skip switch"));
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   211
    cameraIndex = mCameraIndex;
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   212
#endif
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   213
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   214
    // during mode change, we have to re-create camera reference and release resources.
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   215
    // in all other cases if the camera indexes are same, it means that camera reference
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   216
    // is already created and hence we can return immediately.
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   217
    if (cameraIndex == mCameraIndex) {
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   218
        CX_DEBUG_EXIT_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   219
        return CxeError::None;
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   220
    }
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   221
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   222
    releaseCurrentCamera();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   223
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   224
    CxeError::Id err = mCameraDevice->newCamera(cameraIndex, this);
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   225
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   226
    if (err == CxeError::None){
61bc0f252b2b Revision: 201033
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   227
        // CCamera object created, so make sure that appropriate index is used
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   228
        mCameraIndex = cameraIndex;
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   229
    }
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parents:
diff changeset
   230
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   231
    if (!err) { // if there is no error creating new camera, then start Reserve
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   232
        reserve();
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parents:
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   233
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   234
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   235
    CX_DEBUG_EXIT_FUNCTION();
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   236
    return err;
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   237
}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   238
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   239
void CxeCameraDeviceControlSymbian::release()
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   240
{
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parents:
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   241
    CX_DEBUG_ENTER_FUNCTION();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   242
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   243
    //!@todo Temporary delay before reserving camera to avoid timing issues
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   244
    if (mReserveTimer.isActive()) {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   245
        // release() was called when the timer was active
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   246
        mReserveTimer.stop();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   247
        mCameraDevice->releaseCamera();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   248
        setState(Idle);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   249
        CX_DEBUG_EXIT_FUNCTION();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   250
        return;
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parents:
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   251
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   252
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   253
    if (state() == Idle) {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   254
        // nothing to do
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   255
        return;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   256
    }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   257
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   258
    if (state() == Initializing) {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   259
        setState(PendingRelease);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   260
    } else {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   261
        mCameraDevice->releaseCamera();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   262
        setState(Idle);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   263
    }
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   264
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   265
    CX_DEBUG_EXIT_FUNCTION();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   266
}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   267
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   268
/*
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   269
* Release resources w.r.t current camera
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   270
*/
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   271
void CxeCameraDeviceControlSymbian::releaseCurrentCamera()
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   272
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   273
    CX_DEBUG_ENTER_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   274
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   275
    release();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   276
    // delete old camera instance, this will inturn generates "prepareForCameraDelete" event
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   277
    // across all interested classes which wants to do cleanup for new camera reference change
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   278
    mCameraDevice->deleteCamera();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   279
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   280
    CX_DEBUG_EXIT_FUNCTION();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   281
}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   282
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   283
void CxeCameraDeviceControlSymbian::ViewFinderReady(MCameraBuffer &aCameraBuffer, TInt aError)
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   284
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   285
    CX_DEBUG_ENTER_FUNCTION();
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   286
    emit vfFrameReady(&aCameraBuffer, aError);
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   287
    CX_DEBUG_EXIT_FUNCTION();
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parents:
diff changeset
   288
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   289
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   290
void CxeCameraDeviceControlSymbian::ImageBufferReady(MCameraBuffer& aCameraBuffer, TInt aError)
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   291
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   292
    CX_DEBUG_ENTER_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   293
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   294
    emit imageBufferReady( &aCameraBuffer, aError );
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   295
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   296
    CX_DEBUG_EXIT_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   297
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   298
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   299
void CxeCameraDeviceControlSymbian::VideoBufferReady(MCameraBuffer &/*aCameraBuffer*/, TInt /*aError*/)
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   300
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   301
    CX_DEBUG_IN_FUNCTION();
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   302
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   303
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   304
Cxe::CameraIndex CxeCameraDeviceControlSymbian::cameraIndex() const
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   305
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   306
    return mCameraIndex;
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   307
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   308
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   309
Cxe::CameraMode CxeCameraDeviceControlSymbian::mode() const
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   310
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   311
    return mCameraMode;
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   312
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   313
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   314
void CxeCameraDeviceControlSymbian::setMode(Cxe::CameraMode mode)
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   315
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   316
    mCameraMode = mode;
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   317
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   318
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   319
CxeCameraDeviceControl::State CxeCameraDeviceControlSymbian::state() const
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   320
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   321
    return static_cast<State>(stateId());
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   322
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   323
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   324
void CxeCameraDeviceControlSymbian::handleStateChanged(int newStateId, CxeError::Id error)
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   325
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   326
    emit stateChanged(static_cast<State>(newStateId), error);
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   327
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   328
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   329
void CxeCameraDeviceControlSymbian::initializeStates()
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   331
    // addState( id, name, allowed next states )
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   332
    addState(new CxeState( Idle , "Idle", Initializing));
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
    addState(new CxeState( Initializing, "Initializing", PendingRelease | Ready | Idle));
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   334
    addState(new CxeState( Ready, "Ready", Idle));
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
    addState(new CxeState( PendingRelease, "PendingRelease", Initializing | Idle));
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
    setInitialState(Idle);
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
}
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
CxeCameraDevice *CxeCameraDeviceControlSymbian::cameraDevice()
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
{
61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
    return mCameraDevice;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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}
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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61bc0f252b2b Revision: 201033
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   345
// end of file