javauis/lcdui_akn/javalcdui/inc/CMIDImageLoader.h
branchRCL_3
changeset 19 04becd199f91
equal deleted inserted replaced
16:f5050f1da672 19:04becd199f91
       
     1 /*
       
     2 * Copyright (c) 2004-2005 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:
       
    15 *
       
    16 */
       
    17 
       
    18 #ifndef CMIDIMAGELOADER_H
       
    19 #define CMIDIMAGELOADER_H
       
    20 
       
    21 #include <mevents.h>
       
    22 #include <fbs.h>
       
    23 #include "CMIDToolkit.h"
       
    24 
       
    25 //
       
    26 //
       
    27 //
       
    28 class CAsyncDecodeEvent;
       
    29 class CMIDImageLoader : public CJavaEventSource<CMIDImageLoader>, private MMIDImageObserver
       
    30 {
       
    31 public:
       
    32     static TInt New(JNIEnv& aJni, jobject aPeer, TJavaEventServer aServer, jint aToolkitHandle);
       
    33 
       
    34     CMIDImageLoader();
       
    35     void ConstructJniL(JNIEnv& aJni, jobject aPeer, TJavaEventServer aServer, CMIDToolkit*);
       
    36     void ConstructSvrL(CMIDToolkit& aToolkit);
       
    37     void FinalizeSvr();
       
    38     void FinalizeJni(JNIEnv& aJni);
       
    39     ~CMIDImageLoader();
       
    40 
       
    41     MMIDImageDecoder* Decoder();
       
    42 
       
    43 public:
       
    44     /**
       
    45      * Append data to decoder buffer.
       
    46      */
       
    47     TInt AppendJni(JNIEnv& aJni, jbyteArray aByteArray, jint aByteOffset, jint aByteCount);
       
    48 
       
    49     /**
       
    50      * Initiate asynchronous decode.
       
    51      */
       
    52     TInt AsyncDecodeJni(JNIEnv& aJni);
       
    53 
       
    54 private:
       
    55     static void InvokeAppendSvrL(CMIDImageLoader*);
       
    56     static void InvokeAsyncDecodeSvrL(CMIDImageLoader*);
       
    57     static void InvokeConstructSvrL(CMIDImageLoader*, CMIDToolkit*);
       
    58 
       
    59 private:
       
    60     void AppendSvrL();
       
    61     void AsyncDecodeSvrL();
       
    62     void DecodeComplete(TInt aError);
       
    63 
       
    64 private:
       
    65     CAsyncDecodeEvent*  iNotifyEvent;
       
    66     MMIDImageDecoder*   iDecoder;
       
    67     TUint8*             iBufferArray;
       
    68     TInt                iBufferLength;
       
    69     TInt                iBufferCount;
       
    70 };
       
    71 
       
    72 #endif // CMIDIMAGELOADER_H