javauis/mmapi_qt/baseline/src/managerimpl.cpp
branchRCL_3
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24:6c158198356e 25:ae942d28ec0e
       
     1 /*
       
     2 * Copyright (c) 2002 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:  This class has ManagerImpl JNI functions
       
    15 *
       
    16 */
       
    17 
       
    18 #include <logger.h>
       
    19 
       
    20 #include <JniEnvWrapper.h>
       
    21 
       
    22 #include "com_nokia_microedition_media_ManagerImpl.h"
       
    23 #include "cmmamanager.h"
       
    24 #include "cmmaplayer.h"
       
    25 #include "jstringutils.h"
       
    26 #include "s60commonutils.h"
       
    27 using namespace java::util;
       
    28 
       
    29 const TInt KMMADefaultArrayGranularity = 8;
       
    30 
       
    31 JNIEXPORT void JNICALL Java_com_nokia_microedition_media_ManagerImpl__1dispose
       
    32 (JNIEnv* /*aJni*/, jobject, jint aEventSourceHandle)
       
    33 {
       
    34     LOG(EJavaMMAPI,EInfo,"MMA::ManagerImpl dispose");
       
    35     MMAFunctionServer* eventSource =
       
    36         reinterpret_cast< MMAFunctionServer* >(aEventSourceHandle);
       
    37     delete eventSource;
       
    38 }
       
    39 
       
    40 LOCAL_C void ReleaseEventSource(MMAFunctionServer* aEventSource)
       
    41 {
       
    42     aEventSource->Release();
       
    43 }
       
    44 
       
    45 JNIEXPORT void JNICALL Java_com_nokia_microedition_media_ManagerImpl__1release
       
    46 (JNIEnv*, jobject, jint aEventSourceHandle)
       
    47 {
       
    48     LOG(EJavaMMAPI, EInfo, "MMA::ManagerImpl release");
       
    49     MMAFunctionServer* eventSource =
       
    50         reinterpret_cast< MMAFunctionServer* >(aEventSourceHandle);
       
    51     eventSource->ExecuteV(&ReleaseEventSource,
       
    52                           eventSource);
       
    53 }
       
    54 
       
    55 /*
       
    56  * Class:     javax_microedition_media_Manager
       
    57  * Method:    _createManager
       
    58  * Signature: (II)I
       
    59  */
       
    60 JNIEXPORT jint JNICALL Java_com_nokia_microedition_media_ManagerImpl__1createManager
       
    61 (JNIEnv*, jobject, jint aEventSourceHandle, jint aMIDletSuiteID)
       
    62 {
       
    63     MMAFunctionServer* eventSource =  reinterpret_cast<MMAFunctionServer*>(aEventSourceHandle);
       
    64 
       
    65     CMMAManager* manager = NULL;
       
    66     TInt error = eventSource->ExecuteTrap(&CMMAManager::StaticCreateManagerL,
       
    67                                           &manager,
       
    68                                           aMIDletSuiteID);
       
    69     ELOG1(EJavaMMAPI, "MMA::ManagerImpl createManager StaticCreateManagerL %d",
       
    70           error);
       
    71     if (error != KErrNone)
       
    72     {
       
    73         return error;
       
    74     }
       
    75 
       
    76     TInt managerHandle(reinterpret_cast<TInt>(manager));
       
    77 
       
    78     error = eventSource->ExecuteTrap(MMAFunctionServer::StaticAddObjectFromHandleL,
       
    79                                      eventSource,
       
    80                                      managerHandle);
       
    81 
       
    82     ELOG1(EJavaMMAPI, "MMA::ManagerImpl createManager StaticAddObjectFromHandleL %d",
       
    83           error);
       
    84 
       
    85     if (error != KErrNone)
       
    86     {
       
    87         // Adding manager to event source failed.
       
    88         delete manager;
       
    89 
       
    90         // Error code will be returned to java
       
    91         managerHandle = error;
       
    92     }
       
    93     LOG1(EJavaMMAPI, EInfo, "MMA::ManagerImpl createManager %d",
       
    94          managerHandle);
       
    95     return managerHandle;
       
    96 }
       
    97 
       
    98 
       
    99 LOCAL_C void InvokeConstructSvrL(MMAFunctionServer* aEventSource)
       
   100 {
       
   101     aEventSource->ConstructSvrL();
       
   102 }
       
   103 
       
   104 /*
       
   105  * Class:     javax_microedition_media_Manager
       
   106  * Method:    _getEventSource
       
   107  */
       
   108 JNIEXPORT jint JNICALL Java_com_nokia_microedition_media_ManagerImpl__1createEventSource
       
   109 (JNIEnv* aJni, jobject aPeer)
       
   110 {
       
   111     TInt eventSourceHandle = -1;
       
   112     TRAPD(err,eventSourceHandle = MMAFunctionServer::NewL(*aJni, aPeer));
       
   113     if (err != KErrNone)
       
   114         eventSourceHandle = err;
       
   115     if (eventSourceHandle > KErrNone)
       
   116     {
       
   117         MMAFunctionServer* eventSource =
       
   118             reinterpret_cast< MMAFunctionServer* >(eventSourceHandle);
       
   119 
       
   120         // third phase construction
       
   121         TInt error = eventSource->ExecuteTrap(&InvokeConstructSvrL,
       
   122                                               eventSource);
       
   123         if (error != KErrNone)
       
   124         {
       
   125             eventSourceHandle = error;
       
   126         }
       
   127     }
       
   128     LOG1(EJavaMMAPI, EInfo, "MMA::ManagerImpl createEventSource %d",
       
   129          eventSourceHandle);
       
   130     return eventSourceHandle;
       
   131 }
       
   132 
       
   133 /**
       
   134  * Local function which can be used to call CMMAManager class methods.
       
   135  * Type of of the function pointer must be
       
   136  * void CMMAManager::aFuncL( RPointerArray< HBufC >&, const TDesC& )
       
   137  * Java String array will be created and set to aArray variable.
       
   138  *
       
   139  * @param aManager CMMAManager instance.
       
   140  * @param aFuncL Pointer to the CMMAManager method.
       
   141  * @param aJni Used to create an array.
       
   142  * @param aArray Values got from aFuncL will be copied to this array.
       
   143  * @param aParam Parameter that will be passed to aFuncL method.
       
   144  */
       
   145 LOCAL_C void GetObjectArrayL(MMAFunctionServer* aEventSource,
       
   146                              CMMAManager* aManager,
       
   147                              void (CMMAManager::*aFuncL)(const TDesC&,
       
   148                                                          CDesC16Array&),
       
   149                              JNIEnv* aJni,
       
   150                              jobjectArray* aArray,
       
   151                              const TDesC* aParam)
       
   152 {
       
   153     // Temporary descriptor array to be copied to Java array.
       
   154     CDesC16ArrayFlat* values = new(ELeave) CDesC16ArrayFlat(
       
   155         KMMADefaultArrayGranularity);
       
   156     CleanupStack::PushL(values);
       
   157 
       
   158     // Call void CMMAManager::aFuncL( const TDesC&, RPointerArray< HBufC >& )
       
   159     // method. Method can leave.
       
   160     // Elements of the array will be owned by this method.
       
   161     (aManager->*aFuncL)(*aParam, *values);
       
   162 
       
   163     // JNI interface pointer can't be passed to different thread, so
       
   164     // it is needed to get valid JNI interface pointer for Event Server thread
       
   165     aJni =aEventSource->getValidJniEnv();
       
   166 
       
   167     // Create new java String array and copy values from the values array
       
   168     *aArray = MMAPIUtils::CopyToNewJavaStringArrayL(*aJni, *values);
       
   169     CleanupStack::PopAndDestroy(values);
       
   170 }
       
   171 
       
   172 
       
   173 /*
       
   174  * Class:     javax_microedition_media_Manager
       
   175  * Method:    _getSupportedContentTypes
       
   176  * Signature: (II)[[B
       
   177  */
       
   178 JNIEXPORT jobjectArray JNICALL Java_com_nokia_microedition_media_ManagerImpl__1getSupportedContentTypes
       
   179 (JNIEnv* aJni,
       
   180  jclass,
       
   181  jint aEventSourceHandle,
       
   182  jint aManagerHandle,
       
   183  jstring aProtocol)
       
   184 {
       
   185     MMAFunctionServer* eventSource =
       
   186         reinterpret_cast< MMAFunctionServer * >(aEventSourceHandle);
       
   187     CMMAManager* manager = reinterpret_cast< CMMAManager *>(aManagerHandle);
       
   188 
       
   189     jobjectArray contentTypes = NULL;
       
   190 
       
   191     // Create descritor from Java String.
       
   192     // JStringUtils is derived from TPtrC16 and is save to cast to TDesC
       
   193     JStringUtils tmp(*aJni, aProtocol);
       
   194     const TDesC* protocol = &tmp;
       
   195     if (aProtocol == NULL)
       
   196     {
       
   197         protocol = &KNullDesC;
       
   198     }
       
   199 
       
   200     // Call manager->GetSupportedContentTypesL and create Java array.
       
   201     TInt err = eventSource->ExecuteTrap(&GetObjectArrayL,
       
   202                                         eventSource,
       
   203                                         manager,
       
   204                                         &CMMAManager::GetSupportedContentTypesL,
       
   205                                         aJni,
       
   206                                         &contentTypes,
       
   207                                         protocol);
       
   208 
       
   209     if (err != KErrNone)
       
   210     {
       
   211         // Something failed. Returning NULL, because contentTypes array may not
       
   212         // be complete. contentTypes array is left for carbage collertor,
       
   213         // because it can't be released.
       
   214         return NULL;
       
   215     }
       
   216     return contentTypes;
       
   217 }
       
   218 
       
   219 /*
       
   220  * Class:     javax_microedition_media_Manager
       
   221  * Method:    _getSupportedProtocols
       
   222  * Signature: (II)[[B
       
   223  */
       
   224 JNIEXPORT jobjectArray JNICALL Java_com_nokia_microedition_media_ManagerImpl__1getSupportedProtocols
       
   225 (JNIEnv* aJni,
       
   226  jclass,
       
   227  jint aEventSourceHandle,
       
   228  jint aManagerHandle,
       
   229  jstring aContentType)
       
   230 {
       
   231     MMAFunctionServer* eventSource =
       
   232         reinterpret_cast< MMAFunctionServer *>(aEventSourceHandle);
       
   233     CMMAManager* manager = reinterpret_cast< CMMAManager *>(aManagerHandle);
       
   234 
       
   235     jobjectArray protocols = NULL;
       
   236 
       
   237     // Create descritor from Java String.
       
   238     // JStringUtils is derived from TPtrC16 and is save to cast to TDesC
       
   239     JStringUtils tmp(*aJni, aContentType);
       
   240     const TDesC* contentType = &tmp;
       
   241     if (aContentType == NULL)
       
   242     {
       
   243         contentType = &KNullDesC;
       
   244     }
       
   245 
       
   246     // Call manager->GetSupportedProtocolsL and create Java array.
       
   247     TInt err = eventSource->ExecuteTrap(&GetObjectArrayL,
       
   248                                         eventSource,
       
   249                                         manager,
       
   250                                         &CMMAManager::GetSupportedProtocolsL,
       
   251                                         aJni,
       
   252                                         &protocols,
       
   253                                         contentType);
       
   254     if (err != KErrNone)
       
   255     {
       
   256         // Something failed. Returning NULL, because contentTypes array may not
       
   257         // be complete. contentTypes array is left for carbage collertor,
       
   258         // because it can't be released.
       
   259         return NULL;
       
   260     }
       
   261     return protocols;
       
   262 }
       
   263 
       
   264 //  END OF FILE