/*

* Copyright (c) 1999-2002 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:

*

*/

#include "CMIDToolkit.h"

#include "MIDUtils.h"

#include "javax_microedition_lcdui_Form.h"

struct TFormCreate

{

    jweak iRef;

    jint  iDisplayable;

};

struct TFormAttribs

{

    jint  iHandle;

    TSize iSize;

};

LOCAL_C void CreateFormL(CMIDToolkit* aToolkit, TFormCreate* aCreate, TFormAttribs* aAttribs)

{

    MMIDDisplayable* displayable = MIDUnhand<MMIDDisplayable>(aCreate->iDisplayable);

    MMIDForm* form = aToolkit->ComponentFactory()->CreateFormL(*displayable);

    CleanupDisposePushL(form);

    aAttribs->iHandle = aToolkit->RegisterComponentL(form, aCreate->iRef);

    CleanupPopComponent(form);

    aCreate->iRef = 0;

    aAttribs->iSize.iWidth  = form->Width();

    aAttribs->iSize.iHeight = form->Height();

}

JNIEXPORT jint JNICALL Java_javax_microedition_lcdui_Form__1create

(

    JNIEnv* aJni,

    jobject aForm,

    jint    aToolkit,

    jint    aDisplayable,

    jintArray aFormAttribReturn

)

{

    TFormCreate  create;

    TFormAttribs attribs;

    create.iDisplayable = aDisplayable;

    create.iRef = aJni->NewWeakGlobalRef(aForm);

    attribs.iHandle = 0;

    jint error;

    if (create.iRef)

    {

        CMIDToolkit* toolkit = JavaUnhand<CMIDToolkit>(aToolkit);

        error = toolkit->ExecuteTrap(&CreateFormL, toolkit, &create, &attribs);

    }

    else

    {

        error = KErrNoMemory;

    }

    if (create.iRef)

    {

        // CreateFormL clears if successful

        aJni->DeleteWeakGlobalRef(create.iRef);

    }

    jint attribArray[3];

    attribArray[0]=attribs.iHandle;

    attribArray[1]=attribs.iSize.iWidth;

    attribArray[2]=attribs.iSize.iHeight;

    aJni->SetIntArrayRegion(aFormAttribReturn, 0, 3, attribArray);

    return error;

}

LOCAL_C void RefreshItemL(MMIDForm* aForm,TInt aIndex)

{

    aForm->RefreshItemL(aIndex);

}

JNIEXPORT jint JNICALL Java_javax_microedition_lcdui_Form__1refresh

(JNIEnv*,jobject,jint aForm,jint aToolkit,jint aIndex)

{

    CMIDToolkit* toolkit = JavaUnhand<CMIDToolkit>(aToolkit);

    MMIDForm* form = MIDUnhandObject<MMIDForm>(aForm);

    return toolkit->ExecuteTrap(&RefreshItemL,form,(TInt)aIndex);

}

LOCAL_C TBool IsVisible(MMIDForm* aForm,TInt aIndex)

{

    return aForm->IsItemVisible(aIndex);

}

JNIEXPORT jboolean JNICALL Java_javax_microedition_lcdui_Form__1isVisible

(JNIEnv*,jobject,jint aForm,jint aToolkit,jint aIndex)

{

    CMIDToolkit* toolkit = JavaUnhand<CMIDToolkit>(aToolkit);

    MMIDForm* form = MIDUnhandObject<MMIDForm>(aForm);

    return (jboolean)toolkit->Execute(&IsVisible,form,(TInt)aIndex);

}

LOCAL_C void InsertItemL(MMIDForm* aForm,MMIDItem* aItem,TInt aIndex)

{

    aForm->InsertItemL(*aItem,aIndex);

}

JNIEXPORT jint JNICALL Java_javax_microedition_lcdui_Form__1insert

(JNIEnv*,jobject,jint aForm,jint aToolkit,jint aIndex,jint aItem)

{

    CMIDToolkit* toolkit = JavaUnhand<CMIDToolkit>(aToolkit);

    MMIDForm* form = MIDUnhandObject<MMIDForm>(aForm);

    MMIDItem* item = MIDUnhandObject<MMIDItem>(aItem);

    return toolkit->ExecuteTrap(&InsertItemL,form,item,(TInt)aIndex);

}

LOCAL_C void SetItemL(MMIDForm* aForm,MMIDItem* aItem,TInt aIndex)

{

    aForm->SetItemL(*aItem,aIndex);

}

JNIEXPORT jint JNICALL Java_javax_microedition_lcdui_Form__1set

(JNIEnv*,jobject,jint aForm,jint aToolkit,jint aIndex,jint aItem)

{

    CMIDToolkit* toolkit = JavaUnhand<CMIDToolkit>(aToolkit);

    MMIDForm* form = MIDUnhandObject<MMIDForm>(aForm);

    MMIDItem* item = MIDUnhandObject<MMIDItem>(aItem);

    return toolkit->ExecuteTrap(&SetItemL,form,item,(TInt)aIndex);

}

LOCAL_C void SetAllItemsL(MMIDForm* aForm,RArray<MMIDItem*>* aItems)

{

    aForm->SetAllItemsL(*aItems);

}

JNIEXPORT jint JNICALL Java_javax_microedition_lcdui_Form__1setAll

(JNIEnv* aJni,jobject,jint aForm,jint aToolkit,jintArray aItems)

{

    jint* items = aJni->GetIntArrayElements(aItems,0);

    TInt count = aJni->GetArrayLength(aItems);

    RArray<MMIDItem*> MIDItems(count);

    TInt ret = KErrNone;

    for (TInt i=0; i<count; i++)

        ret = MIDItems.Append(MIDUnhandObject<MMIDItem>(items[i]));

    aJni->ReleaseIntArrayElements(aItems,items,JNI_ABORT);

    if (ret == KErrNone)

    {

        CMIDToolkit* toolkit = JavaUnhand<CMIDToolkit>(aToolkit);

        MMIDForm* form = MIDUnhandObject<MMIDForm>(aForm);

        ret =  toolkit->ExecuteTrap(&SetAllItemsL,form,&MIDItems);

    }

    MIDItems.Close();

    return ret;

}

LOCAL_C void DeleteItemL(MMIDForm* aForm,TInt aIndex)

{

    aForm->DeleteItemL(aIndex);

}

JNIEXPORT jint JNICALL Java_javax_microedition_lcdui_Form__1delete

(JNIEnv*,jobject,jint aForm,jint aToolkit,jint aIndex)

{

    CMIDToolkit* toolkit = JavaUnhand<CMIDToolkit>(aToolkit);

    MMIDForm* form = MIDUnhandObject<MMIDForm>(aForm);

    return toolkit->ExecuteTrap(&DeleteItemL,form,(TInt)aIndex);

}

LOCAL_C void DeleteAllItemsL(MMIDForm* aForm)

{

    aForm->DeleteAllItemsL();

}

JNIEXPORT jint JNICALL Java_javax_microedition_lcdui_Form__1deleteAll

(JNIEnv*,jobject,jint aForm,jint aToolkit)

{

    CMIDToolkit* toolkit = JavaUnhand<CMIDToolkit>(aToolkit);

    MMIDForm* form = MIDUnhandObject<MMIDForm>(aForm);

    return toolkit->ExecuteTrap(&DeleteAllItemsL,form);

}

LOCAL_C void NotifyStateChanged(MMIDEnv* aEnv,MMIDForm* aForm,TInt aIndex)

{

    aEnv->PostJavaEvent(*aForm,EDisplayable,aIndex);

}

JNIEXPORT void JNICALL Java_javax_microedition_lcdui_Form__1notifyStateChanged

(JNIEnv*,jobject,jint aForm,jint aToolkit,jint aIndex)

{

    CMIDToolkit* toolkit = JavaUnhand<CMIDToolkit>(aToolkit);

    MMIDForm* form = MIDUnhandObject<MMIDForm>(aForm);

    toolkit->ExecuteV(&NotifyStateChanged,toolkit->Env(),form,(TInt)aIndex);

}

LOCAL_C void SetCurrentItemL(MMIDForm* aForm,TInt aIndex)

{

    aForm->SetCurrentItemL(aIndex);

}

JNIEXPORT jint JNICALL Java_javax_microedition_lcdui_Form__1setCurrentItem

(JNIEnv*,jobject,jint aForm,jint aToolkit,jint aIndex)

{

    CMIDToolkit* toolkit = JavaUnhand<CMIDToolkit>(aToolkit);

    MMIDForm* form = MIDUnhandObject<MMIDForm>(aForm);

    return toolkit->ExecuteTrap(&SetCurrentItemL,form,(TInt)aIndex);

}

LOCAL_C void GetFormSize(MMIDForm* aForm, TSize* aSize)

{

    aSize->iWidth  = aForm->Width();

    aSize->iHeight = aForm->Height();

}

JNIEXPORT jint JNICALL Java_javax_microedition_lcdui_Form__1getFormSize

(JNIEnv*,jobject,jint aForm,jint aToolkit)

{

    CMIDToolkit* toolkit = JavaUnhand<CMIDToolkit>(aToolkit);

    if (!toolkit)

    {

        return KErrGeneral;

    }

    MMIDForm* form = MIDUnhandObject<MMIDForm>(aForm);

    TSize size;

    toolkit->ExecuteV(&GetFormSize, form, &size);

    return (size.iWidth << 16) | (size.iHeight & 0x0000ffff);

}