tvout/tvoutengine/src/glxtvconnectionmonitor.cpp
changeset 26 c499df2dbb33
child 29 2c833fc9e98f
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24:99ad1390cd33 26:c499df2dbb33
       
     1 /*
       
     2 * Copyright (c) 2008-2009 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:    Monitors the Tv Out Connection
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 /**
       
    21  * @internal reviewed 24/08/2007 by D Holland
       
    22  */
       
    23 
       
    24 //  CLASS HEADER
       
    25 #include "glxtvconnectionmonitor.h"
       
    26 
       
    27 //  EXTERNAL INCLUDES
       
    28 
       
    29 //  INTERNAL INCLUDES
       
    30 
       
    31 #include <glxlog.h>
       
    32 #include <glxpanic.h>
       
    33 #include "glxtv.h"
       
    34 #include <AccPolGenericIdDefinitions.h>
       
    35 #include <AccPolSubblockNameArray.h>
       
    36 //-----------------------------------------------------------------------------
       
    37 // Return new object
       
    38 //-----------------------------------------------------------------------------
       
    39 //
       
    40 CGlxTvConnectionMonitor* CGlxTvConnectionMonitor::NewL(
       
    41                                MGlxTvConnectionObserver& aConnectionObserver ) 
       
    42     {
       
    43     GLX_LOG_INFO("CGlxTvConnectionMonitor::NewL");
       
    44     CGlxTvConnectionMonitor* self = new (ELeave) 
       
    45                 CGlxTvConnectionMonitor( aConnectionObserver );
       
    46     CleanupStack::PushL( self );
       
    47     self->ConstructL();
       
    48     CleanupStack::Pop( self );
       
    49     return self;
       
    50     }
       
    51     
       
    52 
       
    53 //-----------------------------------------------------------------------------
       
    54 // Destructor
       
    55 //-----------------------------------------------------------------------------
       
    56 //
       
    57 CGlxTvConnectionMonitor::~CGlxTvConnectionMonitor()
       
    58     {
       
    59     GLX_LOG_INFO("~CGlxTvConnectionMonitor");
       
    60     Cancel();
       
    61     iTvAccCon.CloseSubSession();
       
    62     iTvAccServer.Disconnect();
       
    63     }
       
    64 
       
    65 
       
    66 //-----------------------------------------------------------------------------
       
    67 // Default C++ constructor
       
    68 //-----------------------------------------------------------------------------
       
    69 //
       
    70 CGlxTvConnectionMonitor::CGlxTvConnectionMonitor
       
    71                            ( MGlxTvConnectionObserver& aConnectionObserver ) 
       
    72                             :CActive(EPriorityStandard), 
       
    73                              iConnectionObserver ( aConnectionObserver )
       
    74     {
       
    75     GLX_LOG_INFO("CGlxTvConnectionMonitor");
       
    76     CActiveScheduler::Add( this );
       
    77     }
       
    78 
       
    79 
       
    80 //-----------------------------------------------------------------------------
       
    81 // Symbian second phase constructor
       
    82 //-----------------------------------------------------------------------------
       
    83 //
       
    84 void CGlxTvConnectionMonitor::ConstructL()
       
    85     {
       
    86     GLX_LOG_INFO("CGlxTvConnectionMonitor::ConstructL");
       
    87     User::LeaveIfError(iTvAccServer.Connect());
       
    88 	User::LeaveIfError(iTvAccCon.CreateSubSession(iTvAccServer));
       
    89 	User::LeaveIfError(iTvAccCon.GetAccessoryConnectionStatus(iCurrentAccArray));
       
    90 	for (int i = 0; i < iCurrentAccArray.Count(); i++)
       
    91 		{
       
    92 		iTvOutConnectionState
       
    93 				= (iCurrentAccArray.GetGenericIDL(i).PhysicalConnectionCaps()
       
    94 						== KPCWired);
       
    95 		iHDMIConnectionState
       
    96 				= (iCurrentAccArray.GetGenericIDL(i).PhysicalConnectionCaps()
       
    97 						== KPCHDMI);
       
    98 		}
       
    99     IssueRequest();  
       
   100     }
       
   101 
       
   102 //-----------------------------------------------------------------------------
       
   103 // From class CActive.
       
   104 // Receive notification of change in the connection state
       
   105 //-----------------------------------------------------------------------------
       
   106 //
       
   107 void CGlxTvConnectionMonitor::RunL()
       
   108     {
       
   109     GLX_LOG_INFO("CGlxTvConnectionMonitor::RunL");
       
   110     // Check for errors
       
   111     User::LeaveIfError( iStatus.Int() );
       
   112     // Notify observers
       
   113     IssueNotificationL();
       
   114     // Request the next event
       
   115     IssueRequest();  
       
   116     }
       
   117 
       
   118 
       
   119 //-----------------------------------------------------------------------------
       
   120 // From class CActive.
       
   121 // DoCancel
       
   122 //-----------------------------------------------------------------------------
       
   123 //
       
   124 void CGlxTvConnectionMonitor::DoCancel()
       
   125     {
       
   126     GLX_LOG_INFO("CGlxTvConnectionMonitor::DoCancel");
       
   127     iTvAccCon.CancelGetAccessoryConnectionStatus();
       
   128     iTvAccCon.CancelNotifyAccessoryConnectionStatusChanged();
       
   129     }
       
   130 
       
   131 
       
   132 
       
   133 //-----------------------------------------------------------------------------
       
   134 // From class CActive.
       
   135 // RunError
       
   136 //-----------------------------------------------------------------------------
       
   137 //
       
   138 TInt CGlxTvConnectionMonitor::RunError(TInt aError)
       
   139     {
       
   140     GLX_LOG_INFO1("CGlxTvConnectionMonitor::RunError - %d", aError);
       
   141     return KErrNone;
       
   142     }
       
   143 
       
   144 //-----------------------------------------------------------------------------
       
   145 // Is the TV out cable connected
       
   146 // IsConnected
       
   147 //-----------------------------------------------------------------------------
       
   148 //
       
   149 TBool CGlxTvConnectionMonitor::IsConnected() const
       
   150     {
       
   151     GLX_LOG_INFO("CGlxTvConnectionMonitor::IsConnected");
       
   152     GLX_LOG_INFO1("CGlxTvConnectionMonitor::IsConnected iTvOutConnectionState=%d",iTvOutConnectionState);
       
   153     return iTvOutConnectionState;
       
   154     }
       
   155 
       
   156 //-----------------------------------------------------------------------------
       
   157 // Is the TV out cable connected
       
   158 // IsConnected
       
   159 //-----------------------------------------------------------------------------
       
   160 //
       
   161 TBool CGlxTvConnectionMonitor::IsHDMIConnected() const
       
   162     {
       
   163     GLX_LOG_INFO("CGlxTvConnectionMonitor::IsHDMIConnected");
       
   164     GLX_LOG_INFO1("CGlxTvConnectionMonitor::IsHDMIConnected iHDMIConnectionState=%d",iHDMIConnectionState);
       
   165     return iHDMIConnectionState;
       
   166     }
       
   167 
       
   168 //-----------------------------------------------------------------------------
       
   169 // Request accessory server events
       
   170 //-----------------------------------------------------------------------------
       
   171 //
       
   172 void CGlxTvConnectionMonitor::IssueRequest()
       
   173     {
       
   174     GLX_LOG_INFO("CGlxTvConnectionMonitor::IssueRequest");
       
   175     if (!IsActive()) // required for testing
       
   176         {
       
   177         iTvAccCon.NotifyAccessoryConnectionStatusChanged(iStatus,iCurrentAccArray);
       
   178         SetActive(); 
       
   179         }
       
   180     }
       
   181 
       
   182 
       
   183 //-----------------------------------------------------------------------------
       
   184 // Sends notification to observers if TV Out is connected
       
   185 //-----------------------------------------------------------------------------
       
   186 //
       
   187 void CGlxTvConnectionMonitor::IssueNotificationL()
       
   188     {
       
   189 	GLX_LOG_INFO("CGlxTvConnectionMonitor::IssueNotificationL");
       
   190 	TBool previousTvState = iTvOutConnectionState;
       
   191 	TBool previousHDMIState = iHDMIConnectionState;
       
   192 	GLX_LOG_INFO2("previousTvState = %d , previousHDMIState = %d",
       
   193 			previousTvState,previousHDMIState);
       
   194 
       
   195 	//gets the TV status in to the iCurrentAccArray and haves the Latest Accesory in 0-index
       
   196 	User::LeaveIfError(iTvAccCon.GetAccessoryConnectionStatus(iCurrentAccArray));
       
   197 
       
   198 	CAccPolSubblockNameArray* nameArray = CAccPolSubblockNameArray::NewL();
       
   199 	CleanupStack::PushL(nameArray);
       
   200 
       
   201 	//
       
   202 	//  Get the number of currently connected accessories
       
   203 	//  Loop through each connected accessory looking for
       
   204 	//  the desired capabilities
       
   205 	//
       
   206 	iTvOutConnectionState = EFalse;
       
   207 	iHDMIConnectionState = EFalse;
       
   208 	const TInt count = iCurrentAccArray.Count();
       
   209 	for (TInt index = 0; index < count; index++)
       
   210 		{
       
   211 		TAccPolGenericID genId = iCurrentAccArray.GetGenericIDL(index);
       
   212 		//  Get all supported capabilities for this connected accessory.
       
   213 		iTvAccCon.GetSubblockNameArrayL(genId, *nameArray);
       
   214 		//  Check if this connected accessory supports TV-Out capabality.
       
   215 		if (nameArray->HasName(KAccVideoOut))
       
   216 			{
       
   217 			GLX_LOG_INFO("TV-Out Capabilities Exist");
       
   218 			TAccPolNameRecord nameRecord;
       
   219 			nameRecord.SetNameL(KAccVideoOut);
       
   220 			TAccValueTypeTInt value;
       
   221 			iTvAccCon.GetValueL(genId, nameRecord, value);
       
   222 			if (value.iValue == EAccVideoOutEHDMI)
       
   223 				{
       
   224 				GLX_LOG_INFO("HDMI is connected Capabilities Exist");
       
   225 				iHDMIConnectionState = ETrue;
       
   226 				break;
       
   227 				}
       
   228 			else if (value.iValue == EAccVideoOutCVideo)
       
   229 				{
       
   230 				GLX_LOG_INFO("TV is connected Capabilities Exist");
       
   231 				iTvOutConnectionState = ETrue;
       
   232 				break;
       
   233 				}
       
   234 			}
       
   235 
       
   236 		}
       
   237 	CleanupStack::PopAndDestroy(nameArray);
       
   238 
       
   239 	if (previousTvState != iTvOutConnectionState || previousHDMIState
       
   240 			!= iHDMIConnectionState)
       
   241         {
       
   242         GLX_LOG_INFO("CGlxTvConnectionMonitor::IssueNotificationL -"
       
   243                 " TvConnectionStatusChanged");
       
   244         GLX_LOG_INFO2("CurrentTvState = %d , CurrentHDMIState = %d",
       
   245                 iTvOutConnectionState,iHDMIConnectionState);
       
   246         iConnectionObserver.HandleTvConnectionStatusChangedL();
       
   247         }
       
   248     }
       
   249 
       
   250 
       
   251 
       
   252