1 /*

     2 * Copyright (c) 2002-2008 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:  Loads the browser plugin via ECOM.

    15 *

    16 */

    17 

    18 

    19 

    20 // INCLUDE FILES

    21 #include    "xnnppluginhandler.h"

    22 #include    <ecom/implementationinformation.h>

    23 #include    <CEcomBrowserPluginInterface.h>

    24 

    25 // ============================= LOCAL FUNCTIONS ===============================

    26 

    27 // -----------------------------------------------------------------------------

    28 // ParseAndMatchMimeTypeL Parses the matching mime types from the.given string.

    29 // Returns: TDesC8&: String that holds the mime types.

    30 //          TDesC8&: Mime type to match with.

    31 // -----------------------------------------------------------------------------

    32 //

    33 TBool ParseAndMatchMimeTypeL(

    34     const TDesC8& aMIMEDescription,

    35     const TDesC8& aMatch )

    36     {

    37     _LIT(KPatternPtr, ";|");

    38 

    39     TUint    end = aMIMEDescription.Length();

    40     TUint    i = 0;

    41     TUint    marker = 0;

    42     TUint    mimeSeparator = '|';

    43 

    44     // Parse the aMIMEDescription string.

    45     for (; i < end;)

    46         {

    47         // Search until end of buffer or match one of the delimiters ';' or '|'.

    48         // We are looking for the mimeType, ie "text/html", "application/pdf", etc.

    49         for (; (i < end) && (KPatternPtr().Locate((aMIMEDescription)[i]) == 

    50                              KErrNotFound); i++)

    51             {

    52             // Walking the aMIMEDescription string

    53             }

    54 

    55         if (i > marker)

    56             {

    57             // Try matching the found mime type with the given type.

    58             TPtrC8 newString( aMIMEDescription.Mid(marker, i - marker ).Ptr(), i - marker );

    59             if( newString == aMatch )

    60                 {

    61                 return ETrue;

    62                 }

    63             }

    64 

    65         // Are we at the end of the supported mime string

    66         if (i == end)

    67             {

    68             // This break with i=end means we leave outer for loop

    69             break;

    70             }

    71 

    72         marker = ++i;

    73         if ((aMIMEDescription)[i - 1] == mimeSeparator)

    74             {

    75             // Found a mime separator '|', get next supported mime

    76             continue;

    77             }        

    78         }   // end of for

    79         return EFalse;

    80     }

    81 

    82 // -----------------------------------------------------------------------------

    83 // PluginWrapperGetUrl

    84 // Unsupported.

    85 // -----------------------------------------------------------------------------

    86 //

    87 static NPError PluginWrapperGetUrl(NPP /*aInstance*/, const TDesC& /*aUrl*/, 

    88         const TDesC* /*aWindowType*/ )

    89     {

    90     return NPERR_GENERIC_ERROR;

    91     }

    92 

    93 // -----------------------------------------------------------------------------

    94 // PluginWrapperPostUrl

    95 // Unsupported.

    96 // -----------------------------------------------------------------------------

    97 //

    98 static NPError PluginWrapperPostUrl(NPP /*aInstance*/, const TDesC& /*aUrl*/, 

    99         const TDesC* /*aWindowType*/, const TDesC& /*aBuf*/, NPBool /*aFile*/)

   100     {

   101     return NPERR_GENERIC_ERROR;

   102     }

   103 

   104 // -----------------------------------------------------------------------------

   105 // PluginWrapperRequestRead

   106 // Unsupported.

   107 // -----------------------------------------------------------------------------

   108 //

   109 static NPError PluginWrapperRequestRead(NPStream* /*aStream*/, 

   110         NPByteRange* /*aRangeList*/)

   111     {

   112     return NPERR_GENERIC_ERROR;

   113     }

   114 

   115 // -----------------------------------------------------------------------------

   116 // PluginWrapperNewStream

   117 // Unsupported.

   118 // -----------------------------------------------------------------------------

   119 //

   120 static NPError PluginWrapperNewStream(NPP /*aInstance*/, NPMIMEType /*aType*/, 

   121         const TDesC* /*aWindowType*/, NPStream** /*aStream*/)

   122     {

   123     return NPERR_GENERIC_ERROR;

   124     }

   125 

   126 // -----------------------------------------------------------------------------

   127 // PluginWrapperWrite

   128 // Unsupported.

   129 // -----------------------------------------------------------------------------

   130 //

   131 static TInt32 PluginWrapperWrite(NPP /*aInstance*/, NPStream* /*aStream*/, 

   132         TInt32 /*aLen*/, void* /*aBuffer*/)

   133     {

   134     return NPERR_GENERIC_ERROR;

   135     }

   136 

   137 // -----------------------------------------------------------------------------

   138 // PluginWrapperDestroyStream

   139 // Unsupported.

   140 // -----------------------------------------------------------------------------

   141 //

   142 static NPError PluginWrapperDestroyStream(NPP /*aInstance*/, 

   143         NPStream* /*aStream*/, NPReason /*aReason*/)

   144     {

   145     return NPERR_GENERIC_ERROR;

   146     }

   147 

   148 // -----------------------------------------------------------------------------

   149 // PluginWrapperStatus

   150 // Unsupported.

   151 // -----------------------------------------------------------------------------

   152 //

   153 static void PluginWrapperStatus(NPP /*aInstance*/, const TDesC& /*aMessage*/)

   154     {

   155     }

   156 

   157 // -----------------------------------------------------------------------------

   158 // PluginWrapperUAgent

   159 // Unsupported.

   160 // -----------------------------------------------------------------------------

   161 //

   162 static const TDesC* PluginWrapperUAgent(NPP /*aInstance*/)

   163     {

   164     return NULL;

   165     }

   166 

   167 // -----------------------------------------------------------------------------

   168 // PluginWrapperMemAlloc

   169 // Unsupported.

   170 // -----------------------------------------------------------------------------

   171 //

   172 static void* PluginWrapperMemAlloc( uint32 /*aSize*/ )

   173     {

   174     return NULL;

   175     }

   176 

   177 // -----------------------------------------------------------------------------

   178 // PluginWrapperMemFree

   179 // Unsupported.

   180 // -----------------------------------------------------------------------------

   181 //

   182 static void PluginWrapperMemFree( void* aPtr )

   183     {

   184     delete aPtr;

   185     }

   186 

   187 // -----------------------------------------------------------------------------

   188 // PluginWrapperMemFlush

   189 // Unsupported.

   190 // -----------------------------------------------------------------------------

   191 //

   192 static uint32 PluginWrapperMemFlush(uint32 /*aSize*/)

   193     {

   194     return NPERR_GENERIC_ERROR;

   195     }

   196 

   197 // -----------------------------------------------------------------------------

   198 // PluginWrapperReloadPlugins

   199 // Unsupported.

   200 // -----------------------------------------------------------------------------

   201 //

   202 static void PluginWrapperReloadPlugins(NPBool /*aReloadPages*/)

   203     {

   204     }

   205 

   206 // -----------------------------------------------------------------------------

   207 // PluginWrapperGetJavaEnv

   208 // Unsupported.

   209 // -----------------------------------------------------------------------------

   210 //

   211 static JRIEnv* PluginWrapperGetJavaEnv()

   212     {

   213     return NULL;

   214     }

   215 

   216 // -----------------------------------------------------------------------------

   217 // PluginWrapperGetJavaPeer

   218 // Unsupported.

   219 // -----------------------------------------------------------------------------

   220 //

   221 static jref PluginWrapperGetJavaPeer(NPP /*aInstance*/)

   222     {

   223     return NULL;

   224     }

   225 

   226 // -----------------------------------------------------------------------------

   227 // PluginWrapperGetUrlNotify

   228 // Unsupported.

   229 // -----------------------------------------------------------------------------

   230 //

   231 static NPError PluginWrapperGetUrlNotify(NPP /*aInstance*/, const TDesC& /*aUrl*/, 

   232         const TDesC* /*aWindowType*/, void* /*aNotifyData*/)

   233     {

   234     return NPERR_GENERIC_ERROR;

   235     }

   236 

   237 // -----------------------------------------------------------------------------

   238 // PluginWrapperPostUrlNotify

   239 // Unsupported.

   240 // -----------------------------------------------------------------------------

   241 //

   242 static NPError PluginWrapperPostUrlNotify(NPP /*aInstance*/, const TDesC& /*aUr*l*/, 

   243         const TDesC* /*aWindowType*/, const TDesC& /*aBuf*/, NPBool /*aFile*/, void* /*aNotifyData*/)

   244     {

   245     return NPERR_GENERIC_ERROR;

   246     }

   247 

   248 // -----------------------------------------------------------------------------

   249 // PluginWrapperGetValue

   250 // Unsupported.

   251 // -----------------------------------------------------------------------------

   252 //

   253 static NPError PluginWrapperGetValue(NPP /*aInstance*/, NPNVariable /*aVariable*/, 

   254         void* /*aRetValue*/)

   255     {

   256     return NPERR_NO_ERROR;

   257     }

   258 

   259 // -----------------------------------------------------------------------------

   260 // PluginWrapperSetValue

   261 // Unsupported.

   262 // -----------------------------------------------------------------------------

   263 //

   264 static NPError PluginWrapperSetValue(NPP /*aInstance*/, NPPVariable /*aVariable*/, 

   265         void * /*aRetValue*/)

   266     {

   267     return NPERR_GENERIC_ERROR;

   268     }

   269 

   270 // -----------------------------------------------------------------------------

   271 // PluginWrapperInvalidateRect

   272 // Unsupported.

   273 // -----------------------------------------------------------------------------

   274 //

   275 static void PluginWrapperInvalidateRect(NPP /*aInstance*/, NPRect * /*aRect*/)

   276     {

   277     }

   278 

   279 // -----------------------------------------------------------------------------

   280 // PluginWrapperInvalidateRegion

   281 // Unsupported.

   282 // -----------------------------------------------------------------------------

   283 //

   284 static void PluginWrapperInvalidateRegion(NPP /*aInstance*/, NPRegion /*aRegion*/)

   285     {

   286     }

   287 

   288 // -----------------------------------------------------------------------------

   289 // PluginWrapperForceRedraw

   290 // Unsupported.

   291 // -----------------------------------------------------------------------------

   292 //

   293 static void PluginWrapperForceRedraw(NPP /*aInstance*/)

   294     {

   295     }

   296     

   297 const NPNetscapeFuncs PluginWrapperFuncs =

   298     {

   299     sizeof(NPNetscapeFuncs),

   300     1,

   301     PluginWrapperGetUrl,

   302     PluginWrapperPostUrl,

   303     PluginWrapperRequestRead,

   304     PluginWrapperNewStream,

   305     PluginWrapperWrite,

   306     PluginWrapperDestroyStream,

   307     PluginWrapperStatus,

   308     PluginWrapperUAgent,

   309     PluginWrapperMemAlloc,

   310     PluginWrapperMemFree,

   311     PluginWrapperMemFlush,

   312     PluginWrapperReloadPlugins,

   313     PluginWrapperGetJavaEnv,

   314     PluginWrapperGetJavaPeer,

   315     PluginWrapperGetUrlNotify,

   316     PluginWrapperPostUrlNotify,

   317     PluginWrapperGetValue,

   318     PluginWrapperSetValue,

   319     PluginWrapperInvalidateRect,

   320     PluginWrapperInvalidateRegion,

   321     PluginWrapperForceRedraw

   322     };

   323 

   324 // ============================ MEMBER FUNCTIONS ===============================

   325 

   326 // -----------------------------------------------------------------------------

   327 // CXnNPPluginHandler::CXnNPPluginHandler

   328 // C++ default constructor can NOT contain any code, that

   329 // might leave.

   330 // -----------------------------------------------------------------------------

   331 //

   332 CXnNPPluginHandler::CXnNPPluginHandler()

   333     {

   334     }

   335 

   336 // -----------------------------------------------------------------------------

   337 // CXnNPPluginHandler::ConstructL

   338 // Symbian 2nd phase constructor can leave.

   339 // -----------------------------------------------------------------------------

   340 //

   341 void CXnNPPluginHandler::ConstructL()

   342     {

   343     }

   344 

   345 // -----------------------------------------------------------------------------

   346 // CXnNPPluginHandler::NewL

   347 // Two-phased constructor.

   348 // -----------------------------------------------------------------------------

   349 //

   350 CXnNPPluginHandler* CXnNPPluginHandler::NewL()

   351     {

   352     CXnNPPluginHandler* self = new( ELeave ) CXnNPPluginHandler;

   353     

   354     CleanupStack::PushL( self );

   355     self->ConstructL();

   356     CleanupStack::Pop();

   357 

   358     return self;

   359     }

   360 

   361     

   362 // Destructor

   363 CXnNPPluginHandler::~CXnNPPluginHandler()

   364     {

   365     delete iPluginInterface;

   366     }

   367 

   368 // -----------------------------------------------------------------------------

   369 // CXnNPPluginHandler::LoadSpecificPluginL

   370 // (other items were commented in a header).

   371 // -----------------------------------------------------------------------------

   372 // 

   373 TInt CXnNPPluginHandler::LoadSpecificPluginL(

   374     const TDesC8& aResolveparam,

   375     NPPluginFuncs** aPluginFuncs )

   376     {

   377     RImplInfoPtrArray implInfoArray;

   378     CImplementationInformation* impl = NULL;

   379     REComSession::ListImplementationsL( KBrowserPluginInterfaceUid, implInfoArray );     

   380     TBool implFound( EFalse );

   381     TInt count = implInfoArray.Count();

   382     for(TInt index = 0; index < count; ++index )

   383         {

   384         impl = implInfoArray[index];

   385         if( ParseAndMatchMimeTypeL( impl->DataType(), aResolveparam ) )

   386             {

   387             implFound = ETrue;

   388             break;

   389             }

   390         }

   391 

   392     if( !implFound )

   393         {

   394         implInfoArray.ResetAndDestroy();

   395         implInfoArray.Close();

   396         return KErrNotFound;

   397         }

   398         

   399     NPPluginFuncs* pluginFuncs = (NPPluginFuncs*) User::AllocLC(sizeof (NPPluginFuncs));

   400     Mem::FillZ((void*) pluginFuncs, sizeof (NPPluginFuncs));

   401 

   402     iPluginInterface = CEcomBrowserPluginInterface::CreatePluginL( 

   403          impl->ImplementationUid(),(NPNetscapeFuncs *) (&PluginWrapperFuncs), pluginFuncs );

   404 

   405     CleanupStack::Pop(pluginFuncs);

   406 

   407     *aPluginFuncs = pluginFuncs;

   408     pluginFuncs = NULL;

   409     

   410     implInfoArray.ResetAndDestroy();

   411     implInfoArray.Close();

   412     return KErrNone;

   413     }

   414 

   415 //  End of File