idlehomescreen/xmluirendering/renderingplugins/xnnppluginfactory/src/xnnppluginhandler.cpp
changeset 0 f72a12da539e
child 1 5315654608de
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/idlehomescreen/xmluirendering/renderingplugins/xnnppluginfactory/src/xnnppluginhandler.cpp	Thu Dec 17 08:40:49 2009 +0200
@@ -0,0 +1,415 @@
+/*
+* Copyright (c) 2002-2008 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:  Loads the browser plugin via ECOM.
+*
+*/
+
+
+
+// INCLUDE FILES
+#include    "xnnppluginhandler.h"
+#include    <ecom/implementationinformation.h>
+#include    <CEcomBrowserPluginInterface.h>
+
+// ============================= LOCAL FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// ParseAndMatchMimeTypeL Parses the matching mime types from the.given string.
+// Returns: TDesC8&: String that holds the mime types.
+//          TDesC8&: Mime type to match with.
+// -----------------------------------------------------------------------------
+//
+TBool ParseAndMatchMimeTypeL(
+    const TDesC8& aMIMEDescription,
+    const TDesC8& aMatch )
+    {
+    _LIT(KPatternPtr, ";|");
+
+    TUint    end = aMIMEDescription.Length();
+    TUint    i = 0;
+    TUint    marker = 0;
+    TUint    mimeSeparator = '|';
+
+    // Parse the aMIMEDescription string.
+    for (; i < end;)
+        {
+        // Search until end of buffer or match one of the delimiters ';' or '|'.
+        // We are looking for the mimeType, ie "text/html", "application/pdf", etc.
+        for (; (i < end) && (KPatternPtr().Locate((aMIMEDescription)[i]) == 
+                             KErrNotFound); i++)
+            {
+            // Walking the aMIMEDescription string
+            }
+
+        if (i > marker)
+            {
+            // Try matching the found mime type with the given type.
+            TPtrC8 newString( aMIMEDescription.Mid(marker, i - marker ).Ptr(), i - marker );
+            if( newString == aMatch )
+                {
+                return ETrue;
+                }
+            }
+
+        // Are we at the end of the supported mime string
+        if (i == end)
+            {
+            // This break with i=end means we leave outer for loop
+            break;
+            }
+
+        marker = ++i;
+        if ((aMIMEDescription)[i - 1] == mimeSeparator)
+            {
+            // Found a mime separator '|', get next supported mime
+            continue;
+            }        
+        }   // end of for
+        return EFalse;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperGetUrl
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static NPError PluginWrapperGetUrl(NPP /*aInstance*/, const TDesC& /*aUrl*/, 
+        const TDesC* /*aWindowType*/ )
+    {
+    return NPERR_GENERIC_ERROR;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperPostUrl
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static NPError PluginWrapperPostUrl(NPP /*aInstance*/, const TDesC& /*aUrl*/, 
+        const TDesC* /*aWindowType*/, const TDesC& /*aBuf*/, NPBool /*aFile*/)
+    {
+    return NPERR_GENERIC_ERROR;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperRequestRead
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static NPError PluginWrapperRequestRead(NPStream* /*aStream*/, 
+        NPByteRange* /*aRangeList*/)
+    {
+    return NPERR_GENERIC_ERROR;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperNewStream
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static NPError PluginWrapperNewStream(NPP /*aInstance*/, NPMIMEType /*aType*/, 
+        const TDesC* /*aWindowType*/, NPStream** /*aStream*/)
+    {
+    return NPERR_GENERIC_ERROR;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperWrite
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static TInt32 PluginWrapperWrite(NPP /*aInstance*/, NPStream* /*aStream*/, 
+        TInt32 /*aLen*/, void* /*aBuffer*/)
+    {
+    return NPERR_GENERIC_ERROR;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperDestroyStream
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static NPError PluginWrapperDestroyStream(NPP /*aInstance*/, 
+        NPStream* /*aStream*/, NPReason /*aReason*/)
+    {
+    return NPERR_GENERIC_ERROR;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperStatus
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static void PluginWrapperStatus(NPP /*aInstance*/, const TDesC& /*aMessage*/)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperUAgent
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static const TDesC* PluginWrapperUAgent(NPP /*aInstance*/)
+    {
+    return NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperMemAlloc
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static void* PluginWrapperMemAlloc( uint32 /*aSize*/ )
+    {
+    return NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperMemFree
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static void PluginWrapperMemFree( void* aPtr )
+    {
+    delete aPtr;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperMemFlush
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static uint32 PluginWrapperMemFlush(uint32 /*aSize*/)
+    {
+    return NPERR_GENERIC_ERROR;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperReloadPlugins
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static void PluginWrapperReloadPlugins(NPBool /*aReloadPages*/)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperGetJavaEnv
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static JRIEnv* PluginWrapperGetJavaEnv()
+    {
+    return NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperGetJavaPeer
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static jref PluginWrapperGetJavaPeer(NPP /*aInstance*/)
+    {
+    return NULL;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperGetUrlNotify
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static NPError PluginWrapperGetUrlNotify(NPP /*aInstance*/, const TDesC& /*aUrl*/, 
+        const TDesC* /*aWindowType*/, void* /*aNotifyData*/)
+    {
+    return NPERR_GENERIC_ERROR;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperPostUrlNotify
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static NPError PluginWrapperPostUrlNotify(NPP /*aInstance*/, const TDesC& /*aUr*l*/, 
+        const TDesC* /*aWindowType*/, const TDesC& /*aBuf*/, NPBool /*aFile*/, void* /*aNotifyData*/)
+    {
+    return NPERR_GENERIC_ERROR;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperGetValue
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static NPError PluginWrapperGetValue(NPP /*aInstance*/, NPNVariable /*aVariable*/, 
+        void* /*aRetValue*/)
+    {
+    return NPERR_NO_ERROR;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperSetValue
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static NPError PluginWrapperSetValue(NPP /*aInstance*/, NPPVariable /*aVariable*/, 
+        void * /*aRetValue*/)
+    {
+    return NPERR_GENERIC_ERROR;
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperInvalidateRect
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static void PluginWrapperInvalidateRect(NPP /*aInstance*/, NPRect * /*aRect*/)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperInvalidateRegion
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static void PluginWrapperInvalidateRegion(NPP /*aInstance*/, NPRegion /*aRegion*/)
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// PluginWrapperForceRedraw
+// Unsupported.
+// -----------------------------------------------------------------------------
+//
+static void PluginWrapperForceRedraw(NPP /*aInstance*/)
+    {
+    }
+    
+const NPNetscapeFuncs PluginWrapperFuncs =
+    {
+    sizeof(NPNetscapeFuncs),
+    1,
+    PluginWrapperGetUrl,
+    PluginWrapperPostUrl,
+    PluginWrapperRequestRead,
+    PluginWrapperNewStream,
+    PluginWrapperWrite,
+    PluginWrapperDestroyStream,
+    PluginWrapperStatus,
+    PluginWrapperUAgent,
+    PluginWrapperMemAlloc,
+    PluginWrapperMemFree,
+    PluginWrapperMemFlush,
+    PluginWrapperReloadPlugins,
+    PluginWrapperGetJavaEnv,
+    PluginWrapperGetJavaPeer,
+    PluginWrapperGetUrlNotify,
+    PluginWrapperPostUrlNotify,
+    PluginWrapperGetValue,
+    PluginWrapperSetValue,
+    PluginWrapperInvalidateRect,
+    PluginWrapperInvalidateRegion,
+    PluginWrapperForceRedraw
+    };
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CXnNPPluginHandler::CXnNPPluginHandler
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+CXnNPPluginHandler::CXnNPPluginHandler()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CXnNPPluginHandler::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+void CXnNPPluginHandler::ConstructL()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CXnNPPluginHandler::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+CXnNPPluginHandler* CXnNPPluginHandler::NewL()
+    {
+    CXnNPPluginHandler* self = new( ELeave ) CXnNPPluginHandler;
+    
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    CleanupStack::Pop();
+
+    return self;
+    }
+
+    
+// Destructor
+CXnNPPluginHandler::~CXnNPPluginHandler()
+    {
+    delete iPluginInterface;
+    }
+
+// -----------------------------------------------------------------------------
+// CXnNPPluginHandler::LoadSpecificPluginL
+// (other items were commented in a header).
+// -----------------------------------------------------------------------------
+// 
+TInt CXnNPPluginHandler::LoadSpecificPluginL(
+    const TDesC8& aResolveparam,
+    NPPluginFuncs** aPluginFuncs )
+    {
+    RImplInfoPtrArray implInfoArray;
+    CImplementationInformation* impl = NULL;
+    REComSession::ListImplementationsL( KBrowserPluginInterfaceUid, implInfoArray );     
+    TBool implFound( EFalse );
+    TInt count = implInfoArray.Count();
+    for(TInt index = 0; index < count; ++index )
+        {
+        impl = implInfoArray[index];
+        if( ParseAndMatchMimeTypeL( impl->DataType(), aResolveparam ) )
+            {
+            implFound = ETrue;
+            break;
+            }
+        }
+
+    if( !implFound )
+        {
+        implInfoArray.ResetAndDestroy();
+        implInfoArray.Close();
+        return KErrNotFound;
+        }
+        
+    NPPluginFuncs* pluginFuncs = (NPPluginFuncs*) User::AllocLC(sizeof (NPPluginFuncs));
+    Mem::FillZ((void*) pluginFuncs, sizeof (NPPluginFuncs));
+
+    iPluginInterface = CEcomBrowserPluginInterface::CreatePluginL( 
+         impl->ImplementationUid(),(NPNetscapeFuncs *) (&PluginWrapperFuncs), pluginFuncs );
+
+    CleanupStack::Pop(pluginFuncs);
+
+    *aPluginFuncs = pluginFuncs;
+    pluginFuncs = NULL;
+    
+    implInfoArray.ResetAndDestroy();
+    implInfoArray.Close();
+    return KErrNone;
+    }
+
+//  End of File