--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/widgets/widgetlauncher/src/WidgetLauncher.cpp	Mon Mar 30 12:54:55 2009 +0300
@@ -0,0 +1,254 @@
+/*
+* Copyright (c) 2006, 2008 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: 
+*     Lauches/inform widget stub ui to display widget
+*
+*
+*/
+
+
+// INCLUDE FILES
+
+#include "widgetappdefs.rh"
+#include <APACMDLN.H>
+#include <s32mem.h>
+#include <e32std.h>
+#include <e32base.h>
+#include <f32file.h>
+#include <apgcli.h>
+#include <W32STD.H>
+#include <APGTASK.H>
+
+// CONSTANTS
+
+// LOCAL FUNCTION DEFINITIONS
+// RDesWriteStream
+/** 
+* Parse command line in order to launch the widget.
+*
+* The function checks the command line arguments and parses 
+* relevant information from it. Parameters are all out-params.
+* @param aUid UID of the widget.
+* @param aOperation Operation to perform.
+*/
+static void ParseCmdLineL( TUid& aUid, TUint32& aOperation );
+
+/** 
+* Launch or bring foreground the asked widget.
+*
+* Launch widget.
+* @param aUid UID of the widget.
+* @param aOperation Operation to perform.
+*/
+static void LaunchWidgetL( const TUid& aUid, TUint32 aOperation );
+
+/** 
+* Launch new widget.
+*
+* Launch new widget.
+* @param aUid UID of the widget.
+* @param aOperation Operation to perform.
+*/
+static void LaunchWidgetUIL( 
+    const TUid& aUid, 
+    const TDesC8& aMessage, 
+    TUint32 aOperation );
+
+//===========================================================================
+// Start the stuff.
+//===========================================================================
+void StartTheApplicationL()
+    {
+    TUid uid( TUid::Null() );
+    TUint32 operation( 0 );
+    
+    ParseCmdLineL( uid, operation );
+    LaunchWidgetL( uid, operation );
+    }
+    
+//===========================================================================
+// Parse command line.
+// The function checks the command line arguments to launch the widget.
+// 
+// Too bad that we can't have version number information in the beginning 
+// of the command line. Now we have to try/catch the miniview size.
+
+// The format is originally:
+// <UID.iUid> <url lenght> <url>
+// 
+// For miniview, we append miniview size as in 
+// <TUint32>, meaning
+//      - 0 - launch to full screen
+//      - 1 - launch to mini view
+//      - 2 - deactivate    
+//
+//===========================================================================
+void ParseCmdLineL( TUid& aUid, TUint32& aOperation )
+    {
+    CApaCommandLine* commandLine( NULL );
+    
+    // KApaMaxCommandLine says this can be only 0x100, but we can't break the 
+    // data format.
+    TUint32 mainHTMLLen( 0 ); 
+    HBufC* mainHTML( NULL );
+    TPtr mainHTMLPtr( NULL, 0, 0 );
+    TPtrC8 data( NULL, 0 );
+    
+    User::LeaveIfError( CApaCommandLine::GetCommandLineFromProcessEnvironment( commandLine) );
+    
+    data.Set( commandLine->OpaqueData() );
+    RDesReadStream readStream( data );
+    
+    // Read widget uid from opaque data
+    aUid.iUid = readStream.ReadUint32L();
+    
+    // Read widget main html path from opaque data
+    mainHTMLLen = readStream.ReadUint32L();
+    
+    if ( !mainHTMLLen )
+        {
+        User::Leave( KErrArgument );
+        }
+            
+    mainHTML = HBufC::NewLC(mainHTMLLen);
+
+    mainHTMLPtr.Set( mainHTML->Des() );
+    readStream.ReadL(mainHTMLPtr, mainHTMLLen);
+    
+    // Dump the URL, we don't need it anymore.    
+    CleanupStack::PopAndDestroy( mainHTML );
+
+    // Try to get the size.
+    TRAP_IGNORE( aOperation = readStream.ReadInt32L() );
+    }
+    
+//===========================================================================
+// Launch widget.
+//===========================================================================
+//
+void LaunchWidgetL( const TUid& aUid, TUint32 aOperation )
+    {
+    __UHEAP_MARK;
+    
+    TUid widgetAppUid( TUid::Uid( KWidgetAppUid ) );
+    
+    RWsSession wsSession;
+    TApaTaskList taskList( wsSession );
+    HBufC8* message( HBufC8::NewLC( KWidgetUiMaxMessageLength ) );
+    TPtr8 des( message->Des() );
+    RDesWriteStream stream( des );
+    
+    CleanupClosePushL( stream );
+    
+    // Make the message to be sent.
+    stream.WriteUint32L( 1 );
+    stream.WriteUint32L( aUid.iUid );
+    stream.WriteInt32L( aOperation );
+        
+    CleanupStack::PopAndDestroy( &stream );
+    
+    // Create Window server session
+    User::LeaveIfError( wsSession.Connect() );
+    CleanupClosePushL( wsSession );
+
+    // Get the task list
+    // Try to find out if stub ui is already running
+    TApaTask task = taskList.FindApp( widgetAppUid );
+
+    if ( task.Exists() )
+        {
+        // TODO make something here, or not...
+        widgetAppUid = TUid::Uid( 1 );
+        if ( aOperation == LaunchFullscreen ||
+             aOperation == WidgetSelect )
+            {
+            task.BringToForeground();
+            }
+        task.SendMessage( widgetAppUid, des );
+        }
+    else
+        {
+        // TODO CONST
+        if ( aOperation == LaunchFullscreen ||
+             aOperation == LaunchMiniview ||
+             aOperation == WidgetSelect ) //WidgetUI has died -> re-launch
+            {
+            LaunchWidgetUIL( widgetAppUid, *message, aOperation );
+            }
+        }
+        
+    CleanupStack::PopAndDestroy( 2, message );
+    
+    __UHEAP_MARKEND;
+    }
+
+//===========================================================================
+// Launch Widget UI.
+//===========================================================================
+void LaunchWidgetUIL( 
+    const TUid& aUid, 
+    const TDesC8& aMessage, 
+    TUint32 aOperation )
+    {
+    HBufC* document( NULL );
+    CApaCommandLine* line( CApaCommandLine::NewLC() );
+    TApaAppInfo info;
+    RApaLsSession session;
+    
+    User::LeaveIfError( session.Connect() );
+    CleanupClosePushL( session );
+    
+    User::LeaveIfError( session.GetAppInfo( info, aUid ) );
+        
+    document = HBufC::NewMaxLC( TReal( TReal( aMessage.Length() )  / 2.0 ) + 0.5 );
+
+    Mem::Copy( 
+        reinterpret_cast< TUint8* >( const_cast< TUint16* >( document->Ptr() ) ),
+        aMessage.Ptr(),
+        KWidgetUiMaxMessageLength );
+        
+    line->SetDocumentNameL( *document );
+    line->SetExecutableNameL( info.iFullName );
+        
+    // TODO make const definitions.
+    if ( aOperation == 1 )
+        {
+        line->SetCommandL( EApaCommandBackground );
+        }
+        
+    session.StartApp( *line );
+
+    CleanupStack::PopAndDestroy( 3, line );
+    }
+
+/*
+* E32Main: called by operating system to start the program
+*/
+TInt E32Main(void)
+    {
+    CTrapCleanup* cleanupStack = CTrapCleanup::New();
+    if (cleanupStack == NULL)
+        {
+        return -1;
+        }
+    TRAP_IGNORE(StartTheApplicationL());
+
+    delete cleanupStack;
+    return KErrNone;
+    }
+
+
+
+
+