--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/browserplugins/browsergpsplugin/src/GpsObserver.cpp Wed Sep 01 12:31:04 2010 +0100
@@ -0,0 +1,327 @@
+/*
+* Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of the License "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 FILES
+#include <e32std.h>
+#include <e32cmn.h>
+#include "GpsObserver.h"
+#include "GpsPlugin.h"
+
+// for debug #define BROWSER_GPS_PLUGIN_LOG
+
+#ifdef BROWSER_GPS_PLUGIN_LOG
+
+#include <flogger.h>
+
+// output goes in c:\Logs\gps (create this dir manually if it doesn't exist)
+
+_LIT(LOG_DIR, "gps");
+_LIT(LOG_NAME, "gps.log");
+
+TBuf16<256> formatBuf;
+_LIT16(formatInt,"[%d]");
+
+#define LOG_E \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("E")); \
+ formatBuf.Format(formatInt, e); \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf)
+#define LOG_CONNECT \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("RPositionerServer.Connect"))
+#define LOG_NUMMODULES \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("NUMMODULES")); \
+ formatBuf.Format(formatInt, numberOfModules); \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf)
+#define LOG_MODULE \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("MODULE")); \
+ formatBuf.Format(formatInt, i); \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf)
+#define LOG_SATMODULE \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("SATELLITE MODULE")); \
+ formatBuf.Format(formatInt, i); \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf)
+#define LOG_OPEN \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("RPositioner.Open"))
+#define LOG_OPTIONS \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("RPositioner.SetUpdateOptions"))
+#define LOG_REQUESTOR \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("RPositioner.SetRequestor"))
+#define LOG_REQUESTFIELD \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("HPositionGenericInfo.SetRequestedField"))
+#define LOG_POSITIONUPDATE \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("RPositioner.NotifyPositionUpdate"))
+#define LOG_RESPONSE \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("response"))
+#define LOG_GETPOSITION \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, _L("HPositionGenericInfo.GetPosition"))
+#define LOG_LATLNGALT \
+ int lat = iPosition.Latitude(); \
+ int lon = iPosition.Longitude(); \
+ int alt = iPosition.Altitude(); \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf); \
+ formatBuf.Format(formatInt, lat); \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf); \
+ formatBuf.Format(formatInt, lon); \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf); \
+ formatBuf.Format(formatInt, alt); \
+ RFileLogger::Write(LOG_DIR, LOG_NAME, EFileLoggingModeAppend, formatBuf)
+
+
+#else
+
+#define LOG_E
+#define LOG_CONNECT
+#define LOG_NUMMODULES
+#define LOG_MODULE
+#define LOG_SATMODULE
+#define LOG_OPEN
+#define LOG_OPTIONS
+#define LOG_REQUESTOR
+#define LOG_REQUESTFIELD
+#define LOG_POSITIONUPDATE
+#define LOG_RESPONSE
+#define LOG_GETPOSITION
+#define LOG_LATLNGALT
+
+#endif
+
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CGpsObserver::NewL
+// Symbian 2-phase constructor.
+// -----------------------------------------------------------------------------
+CGpsObserver* CGpsObserver::NewL( CGpsPlugin* aPlugin )
+ {
+ CGpsObserver* self = new (ELeave) CGpsObserver( aPlugin );
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// -----------------------------------------------------------------------------
+// CGpsObserver::CGpsObserver
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+CGpsObserver::CGpsObserver( CGpsPlugin* aPlugin )
+ : CActive( EPriorityStandard ),
+ iGpsPlugin( aPlugin )
+ {
+ CActiveScheduler::Add( this );
+ }
+
+// -----------------------------------------------------------------------------
+// CGpsObserver::ConstructL
+// 2nd-phase constructor.
+// -----------------------------------------------------------------------------
+void CGpsObserver::ConstructL()
+ {
+ TInt e; // for error codes
+
+ // 1. connect to the position server
+ e = iServer.Connect();
+ LOG_E;
+ LOG_CONNECT;
+ User::LeaveIfError( e );
+
+ // 2. find the satellite module (see the BLID application source
+ // code CSattelliteEng.cpp)
+ TUint numberOfModules = 0;
+ e = iServer.GetNumModules( numberOfModules );
+ LOG_E;
+ LOG_NUMMODULES;
+ User::LeaveIfError( e );
+
+ TPositionModuleInfo moduleInfo;
+ TInt i;
+ for ( i = 0; i < numberOfModules ; i++ )
+ {
+ LOG_MODULE;
+ e = iServer.GetModuleInfoByIndex( i, moduleInfo );
+ LOG_E;
+ if ( ( e == KErrNone ) &&
+ ( moduleInfo.Capabilities()
+ & TPositionModuleInfo::ECapabilitySatellite ) ) /* bit test */
+ {
+ break;
+ }
+ }
+
+ if ( i == numberOfModules )
+ {
+ // leave if no GPS
+ User::Leave( KErrNotFound );
+ }
+
+ // 3. open the positioner with the satellite module
+ LOG_SATMODULE;
+ TPositionModuleId moduleId = moduleInfo.ModuleId();
+ e = iPositioner.Open( iServer, moduleId );
+ LOG_E;
+ User::LeaveIfError( e );
+ LOG_OPEN;
+
+ // 4. set the requestor on the positioner (something for security)
+ iPositioner.SetRequestor( CRequestor::ERequestorService,
+ CRequestor::EFormatApplication,
+ _L("BrowserGpsPlugin")/**srvName*/ );
+ LOG_REQUESTOR;
+
+ // 5. request position notification
+ iPositioner.NotifyPositionUpdate( iPositionInfo, iStatus );
+ SetActive();
+ LOG_POSITIONUPDATE;
+ }
+
+// -----------------------------------------------------------------------------
+// CGpsObserver::~CGpsObserver()
+// Destructor
+// -----------------------------------------------------------------------------
+CGpsObserver::~CGpsObserver()
+ {
+ Cancel();
+ iPositioner.Close();
+ iServer.Close();
+
+ delete iEventHandler;
+ }
+
+// -----------------------------------------------------------------------------
+// CSystemInfoBatteryObserver::RequestNotification
+// -----------------------------------------------------------------------------
+void CGpsObserver::RequestNotificationL( const NPString& aEvent )
+ {
+ // remove and free current handler
+ HBufC8* handler = iEventHandler;
+ iEventHandler = NULL;
+ delete handler;
+
+ //store the event handler function name
+ TInt length = aEvent.UTF8Length;
+ handler = HBufC8::NewL( length+1 );
+
+ TPtr8 tptr = handler->Des();
+ tptr.Copy( (const TUint8 *)aEvent.UTF8Characters, length );
+
+ //Remove any arguments passed in the with the function name
+ TInt pos = handler->LocateReverse( TChar('(') );
+ if ( pos != KErrNotFound )
+ {
+ length = pos;
+ }
+
+ tptr.SetLength( length );
+ tptr.ZeroTerminate();
+
+ iEventHandler = handler;
+
+ // monitoring is already active
+ }
+
+// -----------------------------------------------------------------------------
+// CSystemInfoBatteryObserver::RunL
+// -----------------------------------------------------------------------------
+void CGpsObserver::RunL()
+ {
+ // if status ok and exists, update values and invoke callback
+ if ( iStatus == KErrNone )
+ {
+ // update saved values
+ iPositionInfo.GetPosition( iPosition );
+ LOG_GETPOSITION;
+ LOG_LATLNGALT;
+
+ iTickCount++;
+ if ( iEventHandler )
+ {
+ iGpsPlugin->InvokeCallback( *iEventHandler, NULL, 0 );
+ }
+ }
+
+ // request next update
+ iPositioner.NotifyPositionUpdate( iPositionInfo, iStatus );
+ SetActive();
+ }
+
+// -----------------------------------------------------------------------------
+// CGpsObserver::RunError
+// -----------------------------------------------------------------------------
+TInt CGpsObserver::RunError( TInt /*aError*/ )
+ {
+ return KErrNone;
+ }
+
+// -----------------------------------------------------------------------------
+// CGpsObserver::DoCancel
+// -----------------------------------------------------------------------------
+void CGpsObserver::DoCancel()
+ {
+ iPositioner.CancelRequest( EPositionerNotifyPositionUpdate );
+ }
+
+// -----------------------------------------------------------------------------
+// CGpsObserver::Latitude
+// -----------------------------------------------------------------------------
+TReal CGpsObserver::Latitude() const
+ {
+ return iPosition.Latitude();
+ }
+
+// -----------------------------------------------------------------------------
+// CGpsObserver::Longitude
+// -----------------------------------------------------------------------------
+TReal CGpsObserver::Longitude() const
+ {
+ return iPosition.Longitude();
+ }
+
+// -----------------------------------------------------------------------------
+// CGpsObserver::Altitude
+// -----------------------------------------------------------------------------
+TReal CGpsObserver::Altitude() const
+ {
+ return iPosition.Altitude();
+ }
+
+// -----------------------------------------------------------------------------
+// CGpsObserver::HorizontalAccuracy
+// -----------------------------------------------------------------------------
+TReal CGpsObserver::HorizontalAccuracy() const
+ {
+ return iPosition.HorizontalAccuracy();
+ }
+
+// -----------------------------------------------------------------------------
+// CGpsObserver::VerticalAccuracy
+// -----------------------------------------------------------------------------
+TReal CGpsObserver::VerticalAccuracy() const
+ {
+ return iPosition.VerticalAccuracy();
+ }
+
+// -----------------------------------------------------------------------------
+// CGpsObserver::TIckCount
+// -----------------------------------------------------------------------------
+TInt CGpsObserver::TickCount() const
+ {
+ return iTickCount;
+ }
+
+// End of File