javauis/mmapi_akn/baseline/src/cmmammfresolver.cpp
branchRCL_3
changeset 26 2455ef1f5bbc
parent 14 04becd199f91
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/javauis/mmapi_akn/baseline/src/cmmammfresolver.cpp	Wed Sep 01 12:33:18 2010 +0100
@@ -0,0 +1,395 @@
+/*
+* Copyright (c) 2002 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:  This class is used for playing sounds
+*
+*/
+
+
+//  INCLUDE FILES
+#include <jdebug.h>
+
+
+#include "cmmammfresolver.h"
+#include "apgcli.h"
+#include "apmrec.h"
+
+
+#include "hxmetadatautil.h"
+_LIT8(KMimetypeRM, "audio/x-pn-realaudio");
+_LIT(KRVMimeType1, "video/x-pn-realvideo");
+_LIT(KRVMimeType2, "video/x-realvideo");
+_LIT(KRVMimeType3, "video/vnd.rn-realvideo");
+
+
+// CONSTANTS
+
+CMMAMMFResolver* CMMAMMFResolver::NewLC()
+{
+    CMMAMMFResolver* self = new(ELeave)CMMAMMFResolver();
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+}
+
+void CMMAMMFResolver::ListImplementationsL()
+{
+    iControllerSelection->ListImplementationsL(*iImplementations);
+    if (iImplementations->Count() > 0)
+    {
+        ResolveContentTypeL();
+    }
+}
+
+RMMFControllerImplInfoArray* CMMAMMFResolver::Implementations()
+{
+    // ImplementationsOwnership method must not be called before this
+    __ASSERT_DEBUG(iImplementations, User::Invariant());
+    return iImplementations;
+}
+
+RMMFControllerImplInfoArray* CMMAMMFResolver::ImplementationsOwnership()
+{
+    // ImplementationsOwnership method must not be called many times
+    __ASSERT_DEBUG(iImplementations, User::Invariant());
+
+    RMMFControllerImplInfoArray* implementations = iImplementations;
+    iImplementations = NULL; // ownership is transferred
+    return implementations;
+}
+
+HBufC* CMMAMMFResolver::ContentTypeOwnership()
+{
+    HBufC* ct = iContentType;
+    iContentType = NULL;
+    return ct;
+}
+
+HBufC* CMMAMMFResolver::ContentType()
+{
+    return iContentType;
+}
+
+void CMMAMMFResolver::SetFileNameL(const TDesC* aFileName)
+{
+    HBufC* fn = NULL;
+    if (aFileName)
+    {
+        fn = aFileName->AllocL();
+    }
+    delete iFileName;
+    iFileName = fn;
+}
+
+HBufC* CMMAMMFResolver::FileNameOwnership()
+{
+    HBufC* fn = iFileName;
+    iFileName = NULL;
+    return fn;
+}
+
+void CMMAMMFResolver::ResolveContentTypeL()
+{
+    DEBUG("+ CMMAMMFResolver::ResolveContentTypeL()");
+    CMMFFormatSelectionParameters* fSelect = iRequiredPlayFormatSupport;
+    if (!fSelect)
+    {
+        fSelect = iRequiredRecordFormatSupport;
+    }
+    // if there is no play or record formats this object is not
+    // initialized correctly.
+    __ASSERT_DEBUG(fSelect, User::Invariant());
+
+    CMMFFormatSelectionParameters::TMatchDataType type =
+        fSelect->MatchDataType();
+
+    // if there is no implementation this method must not be called.
+    __ASSERT_DEBUG(iImplementations->Count() > 0, User::Invariant());
+    const RMMFFormatImplInfoArray* formats =
+        Formats((*iImplementations)[ 0 ]);
+
+    HBufC8* contentType = NULL;
+    TInt formatsCount = formats->Count();
+
+    if (type == CMMFFormatSelectionParameters::EMatchMimeType)
+    {
+        DEBUG("CMMAMMFResolver::ResolveContentTypeL - EMatchMimeType");
+        // The match was based on a mime type.
+        contentType = fSelect->MatchData().AllocLC();
+    }
+    else if (type == CMMFFormatSelectionParameters::EMatchFileExtension)
+    {
+        DEBUG("CMMAMMFResolver::ResolveContentTypeL - EMatchFileExtension");
+        // The match was based on a file extension.
+        RApaLsSession ls;
+        TInt error;
+        error = ls.Connect();
+        TDataRecognitionResult result;
+        error = ls.RecognizeData(*iFileName, KNullDesC8, result);
+        ls.Close();
+
+        if (iFileName && (iFileName->Right(3).Compare(KRaFileExtension()) == 0))
+        {
+            contentType = KMimetypeRM().AllocLC();
+        }
+        else if (iFileName && (iFileName->Right(3).Compare(KRmFileExtension()) == 0) &&
+                 !(IsRealVideoTypeL(*iFileName)))
+        {
+            contentType = KMimetypeRM().AllocLC();
+        }
+        else if (!error && (result.iConfidence >= CApaDataRecognizerType::EProbable))
+        {
+            DEBUG_INT("CMMAMMFResolver::ResolveContentTypeL - Confidence : %d", result.iConfidence);
+            contentType = result.iDataType.Des8().AllocLC();
+        }
+
+
+        else
+        {
+            // The probability is less, hence matching is done based on legacy style
+            for (TInt format = 0; (format < formatsCount) &&
+                    !contentType; format++)
+            {
+                const CMMFFormatImplementationInformation* info = (*formats)[ format ];
+                if (info->SupportsFileExtension(fSelect->MatchData()))
+                {
+                    if (info->SupportedMimeTypes().Count() > 0)
+                    {
+                        contentType = info->SupportedMimeTypes()[ 0 ].AllocLC();
+                    }
+                }
+            }
+        }
+    }
+    else if (type == CMMFFormatSelectionParameters::EMatchHeaderData)
+    {
+        DEBUG("CMMAMMFResolver::ResolveContentTypeL - EMatchHeaderData");
+        // The match was on a header data.
+        RApaLsSession ls;
+        TInt error;
+        error = ls.Connect();
+        TDataRecognitionResult result;
+        error = ls.RecognizeData(KNullDesC, fSelect->MatchData() , result);
+        ls.Close();
+        if (!error && (result.iConfidence >= CApaDataRecognizerType::EProbable))
+        {
+            contentType = result.iDataType.Des8().AllocLC();
+        }
+        else
+        {
+            // The probability is less, hence matching is done based on legacy style
+            for (TInt format = 0; (format < formatsCount) &&
+                    !contentType; format++)
+            {
+                CMMFFormatImplementationInformation* info = (*formats)[ format ];
+                if (info->SupportsHeaderDataL(fSelect->MatchData()))
+                {
+                    if (info->SupportedMimeTypes().Count() > 0)
+                    {
+                        contentType = info->SupportedMimeTypes()[ 0 ].AllocLC();
+                    }
+                }
+            }
+        }
+    }
+    else
+    {
+        DEBUG("CMMAMMFResolver::ResolveContentTypeL - KErrNotSupported");
+        // EMatchAny is not supported
+        User::Leave(KErrNotSupported);
+    }
+
+    // iContentType remains NULL if content type was not found.
+    if (contentType)
+    {
+        DEBUG_STR8("CMMAMMFResolver::ResolveContentTypeL - contentType : %s", (*contentType).Des());
+
+        HBufC* ct = HBufC::NewL(contentType->Length());
+        (ct->Des()).Copy(*contentType);
+        CleanupStack::PopAndDestroy(contentType);
+        delete iContentType;
+        iContentType = ct;
+    }
+    else
+    {
+        //This situation should never occur
+        DEBUG("CMMAMMFResolver::ResolveContentTypeL - contentType = NULL");
+        User::Leave(KErrUnknown);
+    }
+    DEBUG("- CMMAMMFResolver::ResolveContentTypeL()");
+}
+
+
+TBool CMMAMMFResolver::IsRealVideoTypeL(const TDesC& aFileName)
+{
+    TBool result = EFalse;
+
+    CHXMetaDataUtility *putil;
+    putil = CHXMetaDataUtility::NewL();
+    CleanupStack::PushL(putil);
+    TRAPD(err, putil->OpenFileL(aFileName));
+    DEBUG_INT("MMA:CMMAMMFResolver::IsRealVideoTypeL, err = %d", err);
+
+    if (err != KErrNone)
+    {
+        CleanupStack::Pop(putil);
+        putil->ResetL();
+        delete putil;
+        return EFalse;
+    }
+
+    TUint count = 0;
+    putil->GetMetaDataCount(count);
+
+    TUint i;
+    HXMetaDataKeys::EHXMetaDataId  id;
+
+    for (i = 0; i < count; i++)
+    {
+        HBufC* pDes = NULL;
+
+        putil->GetMetaDataAt(i, id, pDes);
+
+        if (id == HXMetaDataKeys::EHXMimeType)
+        {
+            if (IsRealMimeTypeSupported(*pDes))
+            {
+                result = ETrue;
+            }
+        }
+    }
+
+    CleanupStack::Pop(putil);
+
+    putil->ResetL();
+    delete putil;
+
+    return result;
+}
+
+
+TBool CMMAMMFResolver::IsRealMimeTypeSupported(const TDesC& aMimeType)
+{
+    TBool match = EFalse;
+
+    if (!aMimeType.Compare(KRVMimeType1()))
+    {
+        match = ETrue;
+        return match;
+    }
+    if (!aMimeType.Compare(KRVMimeType2()))
+    {
+        match = ETrue;
+        return match;
+    }
+    if (!aMimeType.Compare(KRVMimeType3()))
+    {
+        match = ETrue;
+        return match;
+    }
+
+    return match;
+}
+
+
+void CMMAMMFResolver::GetSupportedContentTypesL(CDesC16Array& aMimeTypeArray)
+{
+    iControllerSelection->ListImplementationsL(*iImplementations);
+
+    TInt impCount = iImplementations->Count();
+    for (TInt i = 0; i < impCount; i++)
+    {
+        const RMMFFormatImplInfoArray* formats = Formats((*iImplementations)[ i ]);
+        TInt formatsCount(formats->Count());
+        for (TInt format = 0; format < formatsCount; format++)
+        {
+            const CMMFFormatImplementationInformation* info = (*formats)[ format ];
+            const CDesC8Array& supportedMimes = info->SupportedMimeTypes();
+            TInt mimeCount = supportedMimes.Count();
+            for (TInt mime = 0; mime < mimeCount; mime++)
+            {
+                // must convert from 8 bits to 16 bits
+                HBufC* tmpBuf = HBufC::NewLC(supportedMimes[ mime ].Length());
+                tmpBuf->Des().Copy(supportedMimes[ mime ]);
+                aMimeTypeArray.AppendL(*tmpBuf);
+                CleanupStack::PopAndDestroy(tmpBuf);
+            }
+        }
+    }
+}
+
+
+void CMMAMMFResolver::SetRequiredPlayFormatSupportL(
+    CMMFFormatSelectionParameters& aRequiredSupport)
+{
+    iControllerSelection->SetRequiredPlayFormatSupportL(aRequiredSupport);
+    iRequiredPlayFormatSupport = &aRequiredSupport;
+}
+
+void CMMAMMFResolver::SetRequiredRecordFormatSupportL(
+    CMMFFormatSelectionParameters& aRequiredSupport)
+{
+    iControllerSelection->SetRequiredRecordFormatSupportL(aRequiredSupport);
+    iRequiredRecordFormatSupport = &aRequiredSupport;
+}
+
+const RMMFFormatImplInfoArray* CMMAMMFResolver::Formats(CMMFControllerImplementationInformation* aImplementation)
+{
+    const RMMFFormatImplInfoArray* formats = NULL;
+    if (iRequiredPlayFormatSupport)
+    {
+        formats = &(aImplementation->PlayFormats());
+    }
+    else
+    {
+        // if there is no play or record formats this object is not
+        // initialized correctly.
+        __ASSERT_DEBUG(iRequiredRecordFormatSupport, User::Invariant());
+
+        formats = &(aImplementation->RecordFormats());
+    }
+    return formats;
+}
+
+CMMFControllerPluginSelectionParameters*
+CMMAMMFResolver::SelectionParameters()
+{
+    return iControllerSelection;
+}
+
+CMMAMMFResolver::~CMMAMMFResolver()
+{
+    if (iImplementations)
+    {
+        iImplementations->ResetAndDestroy();
+    }
+    delete iImplementations;
+    delete iContentType;
+    delete iControllerSelection;
+    delete iFileName;
+}
+
+
+CMMAMMFResolver::CMMAMMFResolver()
+{
+}
+
+
+void CMMAMMFResolver::ConstructL()
+{
+    iImplementations = new(ELeave)RMMFControllerImplInfoArray();
+    iControllerSelection = CMMFControllerPluginSelectionParameters::NewL();
+}
+
+
+//  END OF FILE