calendarui/controller/src/calenlocationactiveselector.cpp
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     1 /*
       
     2 * Copyright (c) 2007 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Active object class that makes asycn request to launch the map
       
    15  *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDES
       
    20 #include <calencontext.h>
       
    21 #include <StringLoader.h>
       
    22 #include <calentry.h>
       
    23 #include <aknnotewrappers.h>
       
    24 #include <mnmapview.h>
       
    25 #include <lbsposition.h>
       
    26 #include <EPos_CPosLmDatabaseManager.h>
       
    27 #include <EPos_CPosLandmarkDatabase.h>  
       
    28 #include <EPos_HPosLmDatabaseInfo.h> 
       
    29 #include <EPos_Landmarks.h>
       
    30 #include <e32math.h>
       
    31 #include <caleninstanceid.h>            // TCalenInstanceId
       
    32 
       
    33 //debug
       
    34 #include "calendarui_debug.h"
       
    35 #include "calenlocationactiveselector.h"
       
    36 #include "calenglobaldata.h"
       
    37 
       
    38 // ----------------------------------------------------------------------------
       
    39 // CCalenLocationActiveSelector::NewL
       
    40 // NewL function
       
    41 // (other items were commented in a header).
       
    42 // ----------------------------------------------------------------------------
       
    43 //
       
    44 CCalenLocationActiveSelector* CCalenLocationActiveSelector::NewL(MCalenSelectionObserver& aObserver,
       
    45 																	MAknServerAppExitObserver& aExitObserver,
       
    46 																	CCalenGlobalData& aGlobalData)
       
    47 	{
       
    48 	TRACE_ENTRY_POINT;
       
    49 
       
    50     CCalenLocationActiveSelector* self = new(ELeave) CCalenLocationActiveSelector( aObserver,  
       
    51     																				aExitObserver, 
       
    52     																				aGlobalData);
       
    53     CleanupStack::PushL( self );
       
    54     self->ConstructL();
       
    55     CleanupStack::Pop( self );
       
    56 
       
    57     TRACE_EXIT_POINT;
       
    58     return self;	
       
    59 	}
       
    60 	
       
    61 // ----------------------------------------------------------------------------
       
    62 // CCalenLocationActiveSelector::CCalenLocationActiveSelector
       
    63 // C++ constructor
       
    64 // (other items were commented in a header).
       
    65 // ----------------------------------------------------------------------------
       
    66 //
       
    67 CCalenLocationActiveSelector::CCalenLocationActiveSelector( MCalenSelectionObserver& aObserver,
       
    68 															MAknServerAppExitObserver& aExitObserver,
       
    69 															CCalenGlobalData& aGlobalData) 
       
    70 :   CActive( CActive::EPriorityStandard ),
       
    71     iObserver( aObserver ),
       
    72     iExitObserver(aExitObserver),
       
    73     iGlobalData(aGlobalData)
       
    74     {
       
    75     TRACE_ENTRY_POINT;
       
    76     
       
    77     CActiveScheduler::Add( this );
       
    78     
       
    79     TRACE_EXIT_POINT;
       
    80     }
       
    81 
       
    82 // ----------------------------------------------------------------------------
       
    83 // CCalenLocationActiveSelector::ConstructL
       
    84 // Second Phace constructor
       
    85 // (other items were commented in a header).
       
    86 // ----------------------------------------------------------------------------
       
    87 //
       
    88 void CCalenLocationActiveSelector::ConstructL()
       
    89 	{
       
    90 	TRACE_ENTRY_POINT;
       
    91 
       
    92 
       
    93 	TRACE_EXIT_POINT;	
       
    94 	}
       
    95 // ----------------------------------------------------------------------------
       
    96 // CCalenLocationActiveSelector::~CCalenLocationActiveSelector
       
    97 // Destructor
       
    98 // (other items were commented in a header).
       
    99 // ----------------------------------------------------------------------------
       
   100 //
       
   101 CCalenLocationActiveSelector::~CCalenLocationActiveSelector()
       
   102     {
       
   103     Cancel();
       
   104     ReleaseLandmarkResources();
       
   105     }
       
   106 
       
   107 // ----------------------------------------------------------------------------
       
   108 // CCalenLocationActiveSelector::SelectL
       
   109 // Initiates selection operation
       
   110 // (other items were commented in a header).
       
   111 // ----------------------------------------------------------------------------
       
   112 //
       
   113 void CCalenLocationActiveSelector::SelectL( CMnProvider& aProvider,
       
   114 											TPosition& aPosition,
       
   115 											TBool /*isLaunchedFromEditors*/)
       
   116     {
       
   117     if ( IsActive() )
       
   118         {
       
   119         // avoid two simultaneous selection requests
       
   120         User::Leave( KErrInUse );
       
   121         }
       
   122     
       
   123     // create connection
       
   124     iMapView = CMnMapView::NewChainedL( aProvider );
       
   125     _LIT(text, "Select Meeting Location");
       
   126     iMapView->SetCustomRequestTextL(text);
       
   127     
       
   128     iMapView->SetExitObserverL(iExitObserver);
       
   129     
       
   130     // Set the current location coordinates
       
   131     TReal latitude = aPosition.Latitude();
       
   132 	TReal longitude = aPosition.Longitude();
       
   133 	TCoordinate currentPoint(latitude, longitude);
       
   134 	iMapView->SetMapAreaL(currentPoint,100000);
       
   135     iMapView->SetCurrentLocationOption(CMnMapView::ECurrentLocationShowAlways);
       
   136     
       
   137     // Start the request
       
   138     iMapView->SelectFromMapL( iStatus );
       
   139     SetActive();
       
   140     }
       
   141 
       
   142 // ----------------------------------------------------------------------------
       
   143 // CCalenLocationActiveSelector::SelectL
       
   144 // Initiates selection operation
       
   145 // (other items were commented in a header).
       
   146 // ----------------------------------------------------------------------------
       
   147 //
       
   148 void CCalenLocationActiveSelector::SelectL( CMnProvider& aProvider,
       
   149                                             CPosLandmark* aLandmarkToShow)
       
   150     {
       
   151     if ( IsActive() )
       
   152         {
       
   153         // avoid two simultaneous selection requests
       
   154         User::Leave( KErrInUse );
       
   155         }
       
   156     
       
   157     // create connection
       
   158     iMapView = CMnMapView::NewChainedL( aProvider );
       
   159     _LIT(text, "Select Meeting Location");
       
   160     iMapView->SetCustomRequestTextL(text);
       
   161     iMapView->SetExitObserverL(iExitObserver);
       
   162     if(aLandmarkToShow)
       
   163         {
       
   164         // Add available landmarks
       
   165         RPointerArray<CPosLandmark> landmarks;
       
   166         landmarks.Append(aLandmarkToShow);
       
   167         iMapView->AddLandmarksToShowL(landmarks);
       
   168         }
       
   169     
       
   170     // Start the request
       
   171     iMapView->SelectFromMapL( iStatus );
       
   172     SetActive();
       
   173     }
       
   174 
       
   175 // ----------------------------------------------------------------------------
       
   176 // CCalenLocationActiveSelector::RetrieveAndAddLandMarksL
       
   177 // Reads all landmarks from all the available databases in the system
       
   178 // (other items were commented in a header).
       
   179 // ----------------------------------------------------------------------------
       
   180 //    
       
   181 void CCalenLocationActiveSelector::RetrieveAndAddLandMarksL(CMnMapView* aMapView,
       
   182                                                              TBool isLaunchedFromEditors)
       
   183 	{
       
   184 	RPointerArray<CPosLandmark> landmarks;
       
   185 	CPosLmDatabaseManager* dbManager = CPosLmDatabaseManager::NewL();
       
   186 	CleanupStack::PushL( dbManager );
       
   187 
       
   188 	// Get a list of databases
       
   189 	RPointerArray<HPosLmDatabaseInfo> dbInfoList;
       
   190 	dbManager->ListDatabasesL( dbInfoList );
       
   191 
       
   192 	for ( TInt i = 0; i < dbInfoList.Count(); ++i )
       
   193 	    {
       
   194 	    HPosLmDatabaseInfo* dbInfo = dbInfoList[i];
       
   195 
       
   196 	    // Get information about the database
       
   197 	    TPtrC uri = dbInfo->DatabaseUri();
       
   198 	    CPosLandmarkDatabase* db = CPosLandmarkDatabase::OpenL(uri);
       
   199 		CleanupStack::PushL( db );
       
   200 
       
   201 	    if(db->IsInitializingNeeded())
       
   202 		    {
       
   203 		    db->InitializeL();	
       
   204 		    }
       
   205 		// Create an iterator for iterating the landmarks in the database
       
   206 		CPosLmItemIterator* iter = db->LandmarkIteratorL();
       
   207 		CleanupStack::PushL( iter );
       
   208 
       
   209 		// Read each landmark in the database and do something.
       
   210 		TPosLmItemId lmID = KPosLmNullItemId;
       
   211 		while ( ( lmID = iter->NextL() ) != KPosLmNullItemId )
       
   212 		    {
       
   213 		    CPosLandmark* lm = db->ReadLandmarkLC( lmID );
       
   214 		    CleanupStack::Pop();
       
   215 		    // Add landmark into array
       
   216 		    landmarks.Append(lm);
       
   217 		    }
       
   218 		// Close the iterator and the database handle.
       
   219 		CleanupStack::PopAndDestroy( iter );
       
   220 		CleanupStack::PopAndDestroy( db );
       
   221 	    }
       
   222 
       
   223 	// Destroy list
       
   224 	dbInfoList.ResetAndDestroy();
       
   225 
       
   226 	CleanupStack::PopAndDestroy( dbManager );
       
   227 	
       
   228 	// Append the landmark from context if any
       
   229     MCalenContext& context = iGlobalData.Context();
       
   230     CPosLandmark* landmark = context.GetLandMark();
       
   231     //TBool isCtxtLmAdded = EFalse;
       
   232     if(landmark)
       
   233 	    {
       
   234 	    TPosition position;
       
   235 	    landmark->GetPosition(position);
       
   236 	    if(Math::IsNaN(position.Latitude()))
       
   237 		    {
       
   238 		    //landmarks.Append(landmark);
       
   239 		    //isCtxtLmAdded = ETrue;	
       
   240 		    }	
       
   241 	    }
       
   242     else if( !isLaunchedFromEditors )  // If launched frm day view or event viewer
       
   243 	    {
       
   244 	    // Get the entry
       
   245 		TCalLocalUid instanceId = context.InstanceId().iEntryLocalUid;
       
   246 		CCalEntry* entry = iGlobalData.EntryViewL(context.InstanceId().iColId)->FetchL(instanceId);
       
   247 		if(entry)
       
   248 			{
       
   249 			CleanupStack::PushL( entry );
       
   250 			CCalGeoValue* geoValue = entry->GeoValueL();
       
   251 			if(!geoValue)
       
   252 				{
       
   253 				TPtrC location = entry->LocationL();
       
   254 				if(location.Length())
       
   255 					{
       
   256 				/*	CPosLandmark* landmark = CPosLandmark::NewL();
       
   257 					landmark->SetLandmarkNameL(location);
       
   258 					landmarks.Append(landmark);*/	
       
   259 					}
       
   260 				}
       
   261 			else
       
   262 				{
       
   263 				delete geoValue;
       
   264 				}
       
   265 			CleanupStack::PopAndDestroy( entry );
       
   266 			}
       
   267 	    }
       
   268 	
       
   269 	// Add landmarks to show
       
   270 	aMapView->AddLandmarksToShowL(landmarks);
       
   271 	
       
   272 	// Delete landmark pointers
       
   273     context.ResetLandMark();
       
   274     landmarks.ResetAndDestroy();	
       
   275 	}
       
   276 
       
   277 // ----------------------------------------------------------------------------
       
   278 // CCalenLocationActiveSelector::RunL
       
   279 // RunL method to handle the user selection
       
   280 // (other items were commented in a header).
       
   281 // ----------------------------------------------------------------------------
       
   282 //    
       
   283 void CCalenLocationActiveSelector::RunL()
       
   284     {
       
   285     // request is completed, inform observer
       
   286     iObserver.HandleSelectionCompletedL( *iMapView, iStatus.Int() );
       
   287     }
       
   288 
       
   289 // ----------------------------------------------------------------------------
       
   290 // CCalenLocationActiveSelector::RunError
       
   291 // Function to handle any errors in async request
       
   292 // (other items were commented in a header).
       
   293 // ----------------------------------------------------------------------------
       
   294 //    
       
   295 TInt CCalenLocationActiveSelector::RunError( TInt /*aError*/ )
       
   296     {
       
   297     Reset();
       
   298     return KErrNone;
       
   299     }
       
   300 
       
   301 // ----------------------------------------------------------------------------
       
   302 // CCalenLocationActiveSelector::DoCancel
       
   303 // Cancel method to handle the user selection
       
   304 // (other items were commented in a header).
       
   305 // ----------------------------------------------------------------------------
       
   306 //
       
   307 void CCalenLocationActiveSelector::DoCancel()
       
   308     {
       
   309     if ( IsActive() && iMapView )
       
   310         {
       
   311         iMapView->Cancel();
       
   312         }
       
   313     Reset();
       
   314     }
       
   315 
       
   316 // ----------------------------------------------------------------------------
       
   317 // CCalenLocationActiveSelector::Reset
       
   318 // Disconnects from provider, when operation is completed
       
   319 // (other items were commented in a header).
       
   320 // ----------------------------------------------------------------------------
       
   321 //
       
   322 void CCalenLocationActiveSelector::Reset()
       
   323     {
       
   324     if(iMapView)
       
   325 	    {
       
   326 	    iMapView->ResetLandmarksToShow();
       
   327 	    delete iMapView;
       
   328     	iMapView = NULL;	
       
   329 	    }
       
   330     ReleaseLandmarkResources();
       
   331     }
       
   332 
       
   333 // END OF FILE