--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/camerauis/cameraxui/cxengine/src/cxegeotaggingtrail_symbian_p.cpp Fri Aug 06 10:03:37 2010 +0300
@@ -0,0 +1,279 @@
+/*
+* Copyright (c) 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 "cxutils.h"
+#include "cxestate.h"
+#include "cxesettings.h"
+#include "cxenamespace.h"
+#include "cxestillcapturecontrol.h"
+#include "cxevideocapturecontrol.h"
+#include "cxegeotaggingtrail_symbian_p.h"
+
+#include <locationtrailpskeys.h>
+
+namespace
+{
+ // in milliseconds
+ const int STOP_TRAIL_INTERVAL = 10*1000;
+}
+
+/*!
+* Constructor
+*/
+CxeGeoTaggingTrailPrivate::CxeGeoTaggingTrailPrivate(CxeStillCaptureControl &stillControl,
+ CxeVideoCaptureControl &videoControl,
+ CxeSettings &settings)
+ : CxeStateMachine("CxeGeoTaggingTrailPrivate"),
+ mStillCaptureControl(stillControl),
+ mVideoCaptureControl(videoControl),
+ mSettings(settings),
+ mStopLocationTrailTimer(),
+ mPendingStopTrailSession(false)
+{
+ CX_DEBUG_ENTER_FUNCTION();
+
+ qRegisterMetaType<CxeGeoTaggingTrail::State>();
+ initializeStates();
+
+ QVariant locationTrailState;
+ // Get initial location trail state.
+ mSettings.get(KPSUidLocationTrail.iUid, KLocationTrailState,
+ Cxe::PublishAndSubscribe, locationTrailState);
+
+ connect(&mSettings, SIGNAL(settingValueChanged(long int, unsigned long int, QVariant)),
+ this, SLOT(handleGeoTaggingPropertyEvent(long int, unsigned long int, QVariant)));
+
+
+ connect(&mSettings, SIGNAL(settingValueChanged(const QString&,QVariant)),
+ this, SLOT(handleSettingValueChanged(const QString&,QVariant)));
+
+ connect(&mStopLocationTrailTimer, SIGNAL(timeout()),
+ this, SLOT(timeout()), Qt::UniqueConnection);
+
+ CX_DEBUG_EXIT_FUNCTION();
+}
+
+/*!
+* Destructor
+*/
+CxeGeoTaggingTrailPrivate::~CxeGeoTaggingTrailPrivate()
+{
+ CX_DEBUG_ENTER_FUNCTION();
+
+ // close the location utility session
+ mLocationTrail.Close();
+
+ CX_DEBUG_EXIT_FUNCTION();
+}
+
+
+/*!
+* Start location trail.
+*/
+void CxeGeoTaggingTrailPrivate::start()
+{
+ CX_DEBUG_ENTER_FUNCTION();
+
+ int err = KErrNone;
+ int settingValue = Cxe::GeoTaggingOff;
+ settingValue = mSettings.get(CxeSettingIds::GEOTAGGING, settingValue);
+
+ if (settingValue == Cxe::GeoTaggingOn) {
+ // geotagging setting is ON, trying to start location trail
+ if (state() == CxeGeoTaggingTrail::NotConnected) {
+ err = mLocationTrail.Connect();
+ if (!err) {
+ CX_DEBUG(("CxeGeoTaggingTrail <> location trail connected"));
+ setState(CxeGeoTaggingTrail::Connected);
+ }
+ }
+
+ if (state() == CxeGeoTaggingTrail::Connected && !err) {
+ err = mLocationTrail.StartLocationTrail(RLocationTrail::ECaptureAll);
+ if (!err) {
+ CX_DEBUG(("CxeGeoTaggingTrail <> starting location trail"));
+ mStopLocationTrailTimer.stop(); // stop location timer.
+ setState(CxeGeoTaggingTrail::TrailStarted);
+ }
+ }
+
+ if (err) {
+ CX_DEBUG(("CxeGeoTaggingTrailPrivate::start <> FAILED: error = %d ", err));
+ mLocationTrail.Close();
+ }
+ } else {
+ // geotagging setting off, do nothing.
+ CX_DEBUG(("CxeGeoTaggingTrail <> start -- Geotagging setting OFF, do nothing.."));
+ }
+
+ CX_DEBUG_EXIT_FUNCTION();
+}
+
+/*!
+* Stop location trail.
+*/
+void CxeGeoTaggingTrailPrivate::stop()
+{
+ CX_DEBUG_ENTER_FUNCTION();
+
+ bool ok2StopTrail = canStopTrail();
+
+ if (ok2StopTrail) {
+
+ if (state() == CxeGeoTaggingTrail::TrailStarted ||
+ state() == CxeGeoTaggingTrail::DataAvailable) {
+ CX_DEBUG(("CxeGeoTaggingTrailPrivate::StopLocationTrail"));
+ // stop location trail timer.
+ mStopLocationTrailTimer.stop();
+ mLocationTrail.StopLocationTrail();
+ setState(CxeGeoTaggingTrail::Connected);
+ }
+
+ } else {
+ // not ready to stop the location trail, TrailStarted the timer.
+ mStopLocationTrailTimer.start(STOP_TRAIL_INTERVAL);
+ }
+
+ CX_DEBUG_EXIT_FUNCTION();
+}
+
+/*!
+* Checking possible stillcapturecontrol/videocapturecontrol states for stopping
+* location trail.
+*/
+bool CxeGeoTaggingTrailPrivate::canStopTrail() const
+{
+ // checking still capture control states
+ bool ok = mStillCaptureControl.state() != CxeStillCaptureControl::Capturing;
+
+ // Still side OK, checking video capture control states
+ if (ok) {
+ ok = (mVideoCaptureControl.state() != CxeVideoCaptureControl::Recording &&
+ mVideoCaptureControl.state() != CxeVideoCaptureControl::Paused &&
+ mVideoCaptureControl.state() != CxeVideoCaptureControl::Stopping);
+ }
+
+ return ok;
+}
+
+/*!
+* Slot that is called when timer timeout signal is triggered. We track this to do pending
+* stopping of location trail.
+*/
+void CxeGeoTaggingTrailPrivate::timeout()
+{
+ CX_DEBUG_ENTER_FUNCTION();
+
+ // stop the pending location trail utility
+ stop();
+
+ CX_DEBUG_EXIT_FUNCTION();
+}
+
+/*!
+* Handle new setting value.
+* Check if the geotagging setting has changed.
+*/
+void CxeGeoTaggingTrailPrivate::handleSettingValueChanged(const QString& settingId, QVariant newValue)
+{
+ CX_DEBUG_ENTER_FUNCTION();
+
+ if (settingId == CxeSettingIds::GEOTAGGING) {
+ if (newValue.toInt() == Cxe::GeoTaggingOn) {
+ // setting is turned ON, start location trail
+ start();
+ } else {
+ // setting is turned OFF, stopping location trail
+ stop();
+ }
+ } else if (settingId == CxeSettingIds::GEOTAGGING_DISCLAIMER) {
+ if (newValue.toInt() == Cxe::GeoTaggingDisclaimerDisabled) {
+ // geotagging disclaimer is diabled, we can start location trail.
+ start();
+ }
+ }
+
+ CX_DEBUG_EXIT_FUNCTION();
+}
+
+/*!
+* Handle new setting value.
+* Check if the geotagging setting has changed.
+*/
+void CxeGeoTaggingTrailPrivate::handleGeoTaggingPropertyEvent(long int uid,
+ unsigned long int key,
+ QVariant value)
+{
+ CX_DEBUG_ENTER_FUNCTION();
+ bool stateOk = (state() == CxeGeoTaggingTrail::DataAvailable || state() == CxeGeoTaggingTrail::TrailStarted);
+ if (uid == KPSUidLocationTrail.iUid && key == KLocationTrailState && stateOk) {
+ CX_DEBUG(("Location trail: new state = %d ", value.toInt()));
+
+ RLocationTrail::TTrailState newState =
+ static_cast<RLocationTrail::TTrailState>(value.toInt());
+
+ if (newState == RLocationTrail::ETrailStarted) {
+ CX_DEBUG(("CxeGeoTaggingTrail <> location trail started, data available."));
+ setState(CxeGeoTaggingTrail::DataAvailable);
+ } else {
+ // ignoring all other state changes.
+ }
+ }
+
+ CX_DEBUG_EXIT_FUNCTION();
+}
+
+/*!
+Returns current state of Location trail
+*/
+CxeGeoTaggingTrail::State CxeGeoTaggingTrailPrivate::state() const
+{
+ return static_cast<CxeGeoTaggingTrail::State> (stateId());
+}
+
+/*!
+* slot called when state is changed.
+*/
+void CxeGeoTaggingTrailPrivate::handleStateChanged(int newStateId, CxeError::Id error)
+{
+ emit stateChanged(static_cast<CxeGeoTaggingTrail::State> (newStateId), error);
+
+}
+
+/*!
+* Initialize states for geotaggingtrail
+*/
+void CxeGeoTaggingTrailPrivate::initializeStates()
+{
+ // addState( id, name, allowed next states )
+ addState(new CxeState(CxeGeoTaggingTrail::NotConnected, "NotConnected", CxeGeoTaggingTrail::Connected));
+
+ addState(new CxeState(CxeGeoTaggingTrail::Connected, "Connected", CxeGeoTaggingTrail::TrailStarted |
+ CxeGeoTaggingTrail::NotConnected));
+
+ addState(new CxeState(CxeGeoTaggingTrail::TrailStarted, "TrailStarted", CxeGeoTaggingTrail::DataAvailable |
+ CxeGeoTaggingTrail::Connected |
+ CxeGeoTaggingTrail::NotConnected));
+
+ addState(new CxeState(CxeGeoTaggingTrail::DataAvailable, "DataAvailable", CxeGeoTaggingTrail::Connected |
+ CxeGeoTaggingTrail::NotConnected));
+
+
+ setInitialState(CxeGeoTaggingTrail::NotConnected);
+}
+
+// end of file