installationservices/swinstallationfw/source/sifservertask.cpp
branchRCL_3
changeset 25 7333d7932ef7
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24:5cc91383ab1e 25:7333d7932ef7
       
     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 the License "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: 
       
    15 * This file implements a SIF Transport task for the SIF Server.
       
    16 *
       
    17 */
       
    18 
       
    19 
       
    20 #include <e32base.h>
       
    21 #include <e32std.h>
       
    22 #include <usif/usiferror.h>
       
    23 #include <usif/sif/sifplugin.h>
       
    24 #include <usif/scr/scr.h>
       
    25 #include <apgcli.h>
       
    26 #include "sifservertask.h"
       
    27 #include "siftransportcommon.h"
       
    28 #include "usiflog.h"
       
    29 #include "sifutils.h"
       
    30 #include "e32property.h" 
       
    31 
       
    32 using namespace Usif;
       
    33 
       
    34 CSifServerTask* CSifServerTask::NewL(TransportTaskFactory::TTaskType aTaskType, TTransportTaskParams& aParams)
       
    35 	{
       
    36 	CSifServerTask* self = new (ELeave) CSifServerTask(aTaskType, aParams);
       
    37 	CleanupStack::PushL(self);
       
    38    
       
    39 	// Query AppArc about the (MIME) type of the package to be processed and instantiate an appropriate SIF plug-in
       
    40 	self->SelectAndLoadPluginL();
       
    41 
       
    42 	CleanupStack::Pop(self);
       
    43 	return self;
       
    44 	}
       
    45 
       
    46 CSifServerTask::CSifServerTask(TransportTaskFactory::TTaskType aTaskType, TTransportTaskParams& aParams)
       
    47 	: CSifTransportTask(aParams, EFalse), iTaskType(aTaskType)
       
    48 	{
       
    49 	}
       
    50 
       
    51 CSifServerTask::~CSifServerTask()
       
    52 	{
       
    53 	DEBUG_PRINTF2(_L8("CSifServerTask::~CSifServerTask() for aFunction = %d\n"),iTaskType);
       
    54 	                
       
    55 	// Clean up the plugin
       
    56 	delete iPlugin;
       
    57 	iPlugin = NULL;
       
    58 	REComSession::DestroyedImplementation(iEcomKey);
       
    59 	REComSession::FinalClose();
       
    60 	}
       
    61 
       
    62 TBool CSifServerTask::ExecuteImplL()
       
    63 	{
       
    64 	DEBUG_PRINTF2(_L8("CSifServerTask::ExecuteImpl() for aRequest = %d\n"),iTaskType);
       
    65 	
       
    66 	// Plug-in does not exists and request is not for default uninstallation so leave.
       
    67 	if (!iPlugin && iTaskType != TransportTaskFactory::EUninstall)
       
    68 		User::Leave(KErrNotFound);
       
    69 
       
    70 	// Hand over the software management request to the plug-in
       
    71 	switch (iTaskType)
       
    72 		{
       
    73 		case TransportTaskFactory::EGetComponentInfo:
       
    74 			{
       
    75 			if (FileName())
       
    76 				{
       
    77 				iPlugin->GetComponentInfo(*FileName(), *SecurityContext(), *ComponentInfo(), *RequestStatus());
       
    78 				}
       
    79 			else
       
    80 				{
       
    81 				iPlugin->GetComponentInfo(*FileHandle(), *SecurityContext(), *ComponentInfo(), *RequestStatus());
       
    82 				}
       
    83 			break;
       
    84 			}
       
    85 
       
    86 		case TransportTaskFactory::EInstall:
       
    87 			{
       
    88 			if (FileName())
       
    89 				{
       
    90 				iPlugin->Install(*FileName(), *SecurityContext(), *CustomArguments(), *CustomResults(), *RequestStatus());
       
    91 				}
       
    92 			else
       
    93 				{
       
    94 				iPlugin->Install(*FileHandle(), *SecurityContext(), *CustomArguments(), *CustomResults(), *RequestStatus());
       
    95 				}
       
    96 			break;
       
    97 			}
       
    98 
       
    99 		case TransportTaskFactory::EUninstall:
       
   100 			{
       
   101 			if (!iPlugin)
       
   102 				{
       
   103 				// The default uninstaller is used when the Plugin is no longer present.
       
   104 				UninstallL(ComponentId());
       
   105 				TRequestStatus* requestStatusPtr(RequestStatus());
       
   106 				User::RequestComplete(requestStatusPtr, KErrNone);
       
   107 				}
       
   108 			else
       
   109 				{
       
   110 				iPlugin->Uninstall(ComponentId(), *SecurityContext(), *CustomArguments(), *CustomResults(), *RequestStatus());
       
   111 				}
       
   112 			break;
       
   113 			}
       
   114 
       
   115 		case TransportTaskFactory::EActivate:
       
   116 			{
       
   117 			iPlugin->Activate(ComponentId(), *SecurityContext(), *RequestStatus());
       
   118 			break;
       
   119 			}
       
   120 
       
   121 		case TransportTaskFactory::EDeactivate:
       
   122 			{
       
   123 			iPlugin->Deactivate(ComponentId(), *SecurityContext(), *RequestStatus());
       
   124 			break;
       
   125 			}
       
   126 
       
   127 		default:
       
   128 			ASSERT(0);
       
   129 		}
       
   130 	return ETrue;
       
   131 	}
       
   132 
       
   133 void CSifServerTask::CancelImpl()
       
   134 	{
       
   135 	DEBUG_PRINTF2(_L8("CSifServerTask::Cancel for aTaskType = %d\n"), iTaskType);
       
   136 	ASSERT(iPlugin);
       
   137 	iPlugin->CancelOperation();
       
   138 	}
       
   139 
       
   140 void CSifServerTask::SelectAndLoadPluginL()
       
   141 	{
       
   142 	DEBUG_PRINTF2(_L8("CSifServerTask::SelectAndLoadPluginL() for aFunction = %d\n"),iTaskType);
       
   143 
       
   144 	// The code below assumes that each SIF request provides a component id xor a file handle xor a file name.
       
   145 	// In case of changes that invalidate this assumption the code must be modified.
       
   146 
       
   147 	TDataType dataType;
       
   148 	if (iTaskType == TransportTaskFactory::EGetComponentInfo || iTaskType  == TransportTaskFactory::EInstall)
       
   149 		{
       
   150 		// Get the MIME type of the component to be installed from AppArc
       
   151 		DEBUG_PRINTF(_L8("Getting the MIME type of the component to be installed from AppArc\n"));
       
   152 		RApaLsSession apa;
       
   153 		TInt err = apa.Connect();
       
   154 		if (err != KErrNone)
       
   155 			{
       
   156 			DEBUG_PRINTF2(_L8("Failed to connect to the AppArc server, err = %d\n"),err);
       
   157 			User::Leave(err);
       
   158 			}
       
   159 		CleanupClosePushL(apa);
       
   160 		TUid appUid = TUid::Null();
       
   161 		if (FileName())
       
   162 			{
       
   163 			err = apa.AppForDocument(*FileName(), appUid, dataType);
       
   164 			}
       
   165 		else
       
   166 			{
       
   167 			err = apa.AppForDocument(*FileHandle(), appUid, dataType);
       
   168 			}
       
   169 		// A possible problem with recognizers is returning a successful result, but forgetting to set the MIME type. The second condition below protects against that.
       
   170 		if (err != KErrNone || dataType.Des8().Ptr() == NULL) 
       
   171 			{
       
   172 			DEBUG_PRINTF2(_L8("Failed to obtain the MIME type of a component, err = %d\n"),err);
       
   173 			User::Leave(err);
       
   174 			}
       
   175 		CleanupStack::PopAndDestroy(&apa);
       
   176 		}
       
   177 
       
   178 	// Get the uid of the matching plug-in from SCR for ...
       
   179 	RSoftwareComponentRegistry scr;
       
   180 	TInt err = scr.Connect();
       
   181 	if (err != KErrNone)
       
   182 		{
       
   183 		DEBUG_PRINTF2(_L8("Failed to connect to the SCR, err = %d\n"),err);
       
   184 		User::Leave(err);
       
   185 		}
       
   186 	CleanupClosePushL(scr);
       
   187 
       
   188 	//... iComponentId or the MIME type obtained above
       
   189 	TUid pluginUid = TUid::Null();
       
   190 	if (iTaskType != TransportTaskFactory::EInstall && iTaskType != TransportTaskFactory::EGetComponentInfo)
       
   191 		{
       
   192 		// Verify the given component id
       
   193 		CComponentEntry* entry = CComponentEntry::NewLC();
       
   194 		if (!scr.GetComponentL(ComponentId(), *entry))
       
   195 			{
       
   196 			DEBUG_PRINTF2(_L8("ComponentId = %d not found in the SCR"), ComponentId());
       
   197 			User::Leave(KErrSifBadComponentId);
       
   198 			}
       
   199 		CleanupStack::PopAndDestroy(entry);
       
   200 		
       
   201 		// Get the PluginUid only when an Installer Plugin is present.
       
   202 		if (!scr.IsComponentOrphanedL(ComponentId()))
       
   203 			{
       
   204 			pluginUid = scr.GetPluginUidL(ComponentId());
       
   205 			}
       
   206 		}
       
   207 	else
       
   208 		{
       
   209 		pluginUid = scr.GetPluginUidL(dataType.Des());
       
   210 		}
       
   211 	CleanupStack::PopAndDestroy(&scr);
       
   212 
       
   213 	// Load the plug-in
       
   214 	if( pluginUid != TUid::Null() )
       
   215 		{
       
   216 		iPlugin = reinterpret_cast<CSifPlugin*>(REComSession::CreateImplementationL(pluginUid, iEcomKey));
       
   217 		}
       
   218 	}