calendarui/controller/src/calenstatemachine.cpp
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     1 /*
       
     2 * Copyright (c) 2007-2008 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:  Calendar state machine
       
    15 *
       
    16 */
       
    17 
       
    18 #include <avkon.hrh>
       
    19 #include <coemain.h>
       
    20 #include <aknappui.h>
       
    21 
       
    22 // includes
       
    23 #include "calendarui_debug.h"           // Debug macros
       
    24 #include "calenstatemachine.h"
       
    25 #include "calenstate.h"
       
    26 #include "calenidlestate.h"
       
    27 #include "calenbackgroundstate.h"
       
    28 #include "calendeletingstate.h"
       
    29 #include "caleneditingstate.h"
       
    30 #include "calenexitingstate.h"
       
    31 #include "calenhelpstate.h"
       
    32 #include "calenpopulationstate.h"
       
    33 #include "calenprintingstate.h"
       
    34 #include "calensendingstate.h"
       
    35 #include "calensettingsstate.h"
       
    36 #include "calenviewingstate.h"
       
    37 #include "calenmapstate.h"
       
    38 #include "calenattachmentstate.h"
       
    39 #include "calenalarmstate.h"
       
    40 
       
    41 const TInt KHashLength = 64;
       
    42 
       
    43 // ----------------------------------------------------------------------------
       
    44 // CCalenStateMachine::NewL
       
    45 // Two phased constructor.
       
    46 // (other items were commented in a header).
       
    47 // ----------------------------------------------------------------------------
       
    48 //
       
    49 CCalenStateMachine* CCalenStateMachine::NewL( CCalenController& aController )
       
    50     {
       
    51     TRACE_ENTRY_POINT;
       
    52 
       
    53     CCalenStateMachine* self = new ( ELeave ) CCalenStateMachine( aController );
       
    54     CleanupStack::PushL( self );
       
    55     self->ConstructL();
       
    56     CleanupStack::Pop( self );
       
    57 
       
    58     TRACE_EXIT_POINT;
       
    59     return self;
       
    60     }
       
    61 
       
    62  // ----------------------------------------------------------------------------
       
    63 // CCalenStateMachine::CCalenStateMachine
       
    64 // Constructor.
       
    65 // (other items were commented in a header).
       
    66 // ----------------------------------------------------------------------------
       
    67 //      
       
    68 CCalenStateMachine::CCalenStateMachine( CCalenController& aController )
       
    69     : iController( aController ) , 
       
    70       iOutstandingNotifications(&::HashCalenNotificationFunction,&::HashCalenNotificationIdentityRelation)
       
    71     {
       
    72     TRACE_ENTRY_POINT;
       
    73     TRACE_EXIT_POINT;
       
    74     }
       
    75 
       
    76 // ----------------------------------------------------------------------------
       
    77 // CCalenStateMachine::ConstructL
       
    78 // Second phase of construction.
       
    79 // (other items were commented in a header).
       
    80 // ----------------------------------------------------------------------------
       
    81 //        
       
    82 void CCalenStateMachine::ConstructL()
       
    83     {
       
    84     TRACE_ENTRY_POINT;
       
    85 
       
    86     CCalenState* state = NULL;
       
    87 
       
    88     iOutstandingNotifications.ReserveL(KHashLength);
       
    89     state = CCalenIdleState::NewLC( iController, iOutstandingNotifications );
       
    90     iStates.InsertL( state, ECalenIdleState );
       
    91     CleanupStack::Pop( state );
       
    92     
       
    93     state = CCalenPopulationState::NewLC( iController, iOutstandingNotifications);
       
    94     iStates.InsertL( state, ECalenPopulationState );
       
    95     CleanupStack::Pop( state );
       
    96     
       
    97     state = CCalenBackgroundState::NewLC( iController, iOutstandingNotifications );
       
    98     iStates.InsertL( state, ECalenBackgroundState );
       
    99     CleanupStack::Pop( state );
       
   100     
       
   101     state = CCalenViewingState::NewLC( iController, iOutstandingNotifications );
       
   102     iStates.InsertL( state, ECalenViewingState );
       
   103     CleanupStack::Pop( state );
       
   104     
       
   105     state = CCalenEditingState::NewLC( iController, iOutstandingNotifications );
       
   106     iStates.InsertL( state, ECalenEditingState );
       
   107     CleanupStack::Pop( state );
       
   108     
       
   109     state = CCalenDeletingState::NewLC( iController, iOutstandingNotifications );
       
   110     iStates.InsertL( state, ECalenDeletingState );
       
   111     CleanupStack::Pop( state );
       
   112     
       
   113     state = CCalenPrintingState::NewLC( iController, iOutstandingNotifications );
       
   114     iStates.InsertL( state, ECalenPrintingState );
       
   115     CleanupStack::Pop( state );
       
   116     
       
   117     state = CCalenSendingState::NewLC( iController, iOutstandingNotifications );
       
   118     iStates.InsertL( state, ECalenSendingState );
       
   119     CleanupStack::Pop( state );
       
   120     
       
   121     state = CCalenSettingsState::NewLC( iController, iOutstandingNotifications );
       
   122     iStates.InsertL( state, ECalenSettingsState );
       
   123     CleanupStack::Pop( state );
       
   124     
       
   125     state = CCalenHelpState::NewLC( iController, iOutstandingNotifications );
       
   126     iStates.InsertL( state, ECalenHelpState );
       
   127     CleanupStack::Pop( state );
       
   128 
       
   129     state = CCalenExitingState::NewLC( iController, iOutstandingNotifications );
       
   130     iStates.InsertL( state, ECalenExitingState );
       
   131     CleanupStack::Pop( state );
       
   132     
       
   133     state = CCalenMapState::NewLC( iController, iOutstandingNotifications );
       
   134     iStates.InsertL( state, ECalenMapState );
       
   135     CleanupStack::Pop( state );
       
   136     
       
   137     state = CCalenAttachmentState::NewLC( iController, iOutstandingNotifications );
       
   138     iStates.InsertL( state, ECalenAttachmentState );
       
   139     CleanupStack::Pop( state );
       
   140 	
       
   141 	state = CCalenAlarmState::NewLC( iController, iOutstandingNotifications );
       
   142     iStates.InsertL( state, ECalenAlarmState );
       
   143     CleanupStack::Pop( state );
       
   144 
       
   145 
       
   146     ASSERT( iStates.Count() == KCalenLastState );
       
   147 
       
   148     TRACE_EXIT_POINT;
       
   149     }
       
   150 
       
   151 // ----------------------------------------------------------------------------
       
   152 // CCalenStateMachine::~CCalenStateMachine
       
   153 // Destructor.
       
   154 // (other items were commented in a header).
       
   155 // ----------------------------------------------------------------------------
       
   156 //
       
   157 CCalenStateMachine::~CCalenStateMachine()
       
   158     {
       
   159     TRACE_ENTRY_POINT;
       
   160     
       
   161     iOutstandingNotifications.Close();
       
   162     iStates.ResetAndDestroy();
       
   163 
       
   164     TRACE_EXIT_POINT;
       
   165     }     
       
   166 
       
   167 // ----------------------------------------------------------------------------
       
   168 // CCalenStateMachine::HandleNotification
       
   169 // Notification handler interface.
       
   170 // (other items were commented in a header).
       
   171 // ----------------------------------------------------------------------------
       
   172 //
       
   173 void CCalenStateMachine::HandleNotification(const TCalenNotification aNotification )
       
   174     {
       
   175     TRACE_ENTRY_POINT;
       
   176 
       
   177 	TRAPD(error,iStates[iCurrentState]->HandleNotificationL( aNotification, *this)); 
       
   178     if(error!=KErrNone)
       
   179 		{
       
   180 		// do avoid warning
       
   181 		}
       
   182 	
       
   183     TRACE_EXIT_POINT;
       
   184     }
       
   185 
       
   186 // ----------------------------------------------------------------------------
       
   187 // CCalenStateMachine::HandleCommandL
       
   188 // Command handler interface.
       
   189 // (other items were commented in a header).
       
   190 // ----------------------------------------------------------------------------
       
   191 //
       
   192 TBool CCalenStateMachine::HandleCommandL( const TCalenCommand& aCommand )
       
   193     {
       
   194     TRACE_ENTRY_POINT;
       
   195 
       
   196     if( aCommand.Command() == EAknSoftkeyExit 
       
   197         || aCommand.Command() == EAknCmdExit 
       
   198     	|| aCommand.Command() == EEikCmdExit )
       
   199         {
       
   200         iAvkonAppUi->Exit();
       
   201         }
       
   202     
       
   203     TBool cmdUsed = iStates[iCurrentState]->HandleCommandL( aCommand, *this);
       
   204     
       
   205     TRACE_EXIT_POINT;
       
   206     return cmdUsed;
       
   207     }
       
   208 
       
   209 // ----------------------------------------------------------------------------
       
   210 // CCalenStateMachine::CancelPreviousCmd
       
   211 // Interface to cancel the previous command
       
   212 // (other items were commented in a header).
       
   213 // ----------------------------------------------------------------------------
       
   214 //
       
   215 void CCalenStateMachine::CancelPreviousCmd()
       
   216 	{
       
   217 	TRACE_ENTRY_POINT;
       
   218 	
       
   219 	TCalenStateIndex previousState = iStates[iCurrentState]->PreviousState();
       
   220 	iStates[iCurrentState]->CancelExecutingCmd();
       
   221 	
       
   222 	if(previousState != iCurrentState)
       
   223 		{
       
   224 		iCurrentState = previousState;
       
   225 		}
       
   226 	
       
   227 	TRACE_EXIT_POINT;
       
   228 	}
       
   229 
       
   230 // ----------------------------------------------------------------------------
       
   231 // CCalenStateMachine::GetCurrentState
       
   232 // Interface to get the current state
       
   233 // (other items were commented in a header).
       
   234 // ----------------------------------------------------------------------------
       
   235 //	
       
   236 CCalenStateMachine::TCalenStateIndex CCalenStateMachine::GetCurrentState()
       
   237 	{
       
   238 	TRACE_ENTRY_POINT;
       
   239 	TRACE_EXIT_POINT;
       
   240 	
       
   241 	return iCurrentState;
       
   242 	}
       
   243 
       
   244 // ----------------------------------------------------------------------------
       
   245 // CCalenStateMachine::SetCurrentState
       
   246 // Interface to set the current state
       
   247 // (other items were commented in a header).
       
   248 // ----------------------------------------------------------------------------
       
   249 //		
       
   250 void CCalenStateMachine::SetCurrentState(const TCalenStateIndex& aState)
       
   251 	{
       
   252 	TRACE_ENTRY_POINT;
       
   253 	
       
   254 	iCurrentState = aState;
       
   255 	
       
   256 	TRACE_EXIT_POINT;
       
   257 	}
       
   258 
       
   259 // ----------------------------------------------------------------------------
       
   260 // CCalenStateMachine::SetPreviousState
       
   261 // Interface to set previous state
       
   262 // (other items were commented in a header).
       
   263 // ----------------------------------------------------------------------------
       
   264 //
       
   265 void CCalenStateMachine::SetCurrentPreviousState(const TCalenStateIndex& aState)
       
   266 	{
       
   267 	TRACE_ENTRY_POINT;
       
   268 		
       
   269 	iStates[iCurrentState]->SetPreviousState(aState);
       
   270 	
       
   271 	TRACE_EXIT_POINT;
       
   272 	}
       
   273 
       
   274 // ----------------------------------------------------------------------------
       
   275 // CCalenStateMachine::ActivateCurrentStateL
       
   276 // Interface to activate the current state
       
   277 // (other items were commented in a header).
       
   278 // ----------------------------------------------------------------------------
       
   279 //	
       
   280 void CCalenStateMachine::ActivateCurrentStateL()
       
   281 	{
       
   282 	TRACE_ENTRY_POINT;
       
   283 		
       
   284 	iStates[iCurrentState]->HandleStateActivationL(*this);
       
   285 		
       
   286 	TRACE_EXIT_POINT;	
       
   287 	}
       
   288 // End of file