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:

    15 *

    16 */

    17 

    18 

    19 #include "CMIDToolkit.h"

    20 #include "javax_microedition_lcdui_Device.h"

    21 

    22 const TInt KAlphaLevels = 256;

    23 

    24 LOCAL_C TInt GetDeviceAttribs(CMIDToolkit* aToolkit, jint* aAttribArray, jint aArrayLength)

    25 {

    26     if (aArrayLength < javax_microedition_lcdui_Device_ATTRIB_COUNT)

    27     {

    28         return KErrOverflow;

    29     }

    30 

    31     MMIDUtils& utils = *aToolkit->Utils();

    32     MMIDGraphicsFactory& factory = aToolkit->GraphicsFactory();

    33 

    34     jint caps = 0;

    35 

    36     if (factory.DoubleBuffer())

    37     {

    38         caps |= javax_microedition_lcdui_Device_CAPS_DOUBLE_BUFFERED;

    39     }

    40     if (utils.HasPointerEvents())

    41     {

    42         caps |= javax_microedition_lcdui_Device_CAPS_POINTER_EVENTS;

    43     }

    44     if (utils.HasPointerMotionEvents())

    45     {

    46         caps |= javax_microedition_lcdui_Device_CAPS_POINTER_MOTION_EVENTS;

    47     }

    48     if (utils.HasRepeatEvents())

    49     {

    50         caps |= javax_microedition_lcdui_Device_CAPS_KEY_REPEAT_EVENTS;

    51     }

    52 

    53 

    54 

    55     TDisplayMode frameBufferMode = factory.DisplayMode();

    56     if (frameBufferMode > EGray256)

    57     {

    58         caps |= javax_microedition_lcdui_Device_CAPS_COLOR;

    59     }

    60 

    61     CCoeEnv* controlEnv = CCoeEnv::Static();

    62     CWsScreenDevice* screenDevice = controlEnv->ScreenDevice();

    63 

    64     TSize screenSize = screenDevice->SizeInPixels();

    65 

    66     aAttribArray[ javax_microedition_lcdui_Device_ATTRIB_CAPABILITIES ] = caps;

    67     aAttribArray[ javax_microedition_lcdui_Device_ATTRIB_NUM_COLORS   ] = TDisplayModeUtils::NumDisplayModeColors(frameBufferMode);

    68     aAttribArray[ javax_microedition_lcdui_Device_ATTRIB_NUM_ALPHAS   ] = KAlphaLevels;

    69     aAttribArray[ javax_microedition_lcdui_Device_ATTRIB_SCREEN_WIDTH ] = screenSize.iWidth;

    70     aAttribArray[ javax_microedition_lcdui_Device_ATTRIB_SCREEN_HEIGHT] = screenSize.iHeight;

    71 

    72     return KErrNone;

    73 }

    74 

    75 JNIEXPORT jint JNICALL Java_javax_microedition_lcdui_Device__1getAttribs(JNIEnv* aJni, jobject, jint aToolkit, jintArray aAttribArray)

    76 {

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

    78 

    79     if (aJni->GetArrayLength(aAttribArray) != javax_microedition_lcdui_Device_ATTRIB_COUNT)

    80     {

    81         return KErrArgument;

    82     }

    83 

    84     jint attribArray[javax_microedition_lcdui_Device_ATTRIB_COUNT];

    85     jint attribCount = javax_microedition_lcdui_Device_ATTRIB_COUNT;

    86     jint err;

    87 

    88     err = toolkit->Execute(&GetDeviceAttribs, toolkit, &attribArray[0], attribCount);

    89     if (KErrNone == err)

    90     {

    91         aJni->SetIntArrayRegion(aAttribArray, 0, attribCount, &attribArray[0]);

    92     }

    93 

    94     return err;

    95 }

    96 

    97 LOCAL_C void InvokeCanvasSizeWithoutKeypad(MMIDDisplayable* aDisplayable, jint* aSizeArray)

    98 {

    99     TRect onScreenKeypadRect = aDisplayable->GetCanvasRectFromLaf();

   100     aSizeArray[0] = onScreenKeypadRect.Width();

   101     aSizeArray[1] = onScreenKeypadRect.Height();

   102 }

   103 

   104 JNIEXPORT void JNICALL Java_javax_microedition_lcdui_Device__1getCanvasSizeWithoutKeypad

   105 (JNIEnv* aEnv,jobject, jint aToolkit, jint aDisplayable, jintArray aSize)

   106 {

   107     MMIDDisplayable* displayable = MIDUnhandObject<MMIDDisplayable>(aDisplayable);

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

   109     jint sizeArray[2];

   110     toolkit->Execute(&InvokeCanvasSizeWithoutKeypad, displayable, sizeArray);

   111     aEnv->SetIntArrayRegion(aSize, 0, 2, sizeArray);

   112 }