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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2010 Thomas Martitz
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
package org.rockbox;
import java.nio.ByteBuffer;
import org.rockbox.Helper.MediaButtonReceiver;
import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Rect;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.KeyEvent;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewConfiguration;
public class RockboxFramebuffer extends View
{
private Bitmap btm;
private Rect rect;
private ByteBuffer native_buf;
private MediaButtonReceiver media_monitor;
private final DisplayMetrics metrics;
private final ViewConfiguration view_config;
public RockboxFramebuffer(Context c, int lcd_width,
int lcd_height, ByteBuffer native_fb)
{
super(c);
/* Needed so we can catch KeyEvents */
setFocusable(true);
setFocusableInTouchMode(true);
setClickable(true);
btm = Bitmap.createBitmap(lcd_width, lcd_height, Bitmap.Config.RGB_565);
rect = new Rect();
native_buf = native_fb;
media_monitor = new MediaButtonReceiver(c);
media_monitor.register();
/* the service needs to know the about us */
((RockboxService)c).set_fb(this);
metrics = c.getResources().getDisplayMetrics();
view_config = ViewConfiguration.get(c);
}
public void onDraw(Canvas c)
{
/* can't copy a partial buffer :( */
btm.copyPixelsFromBuffer(native_buf);
c.getClipBounds(rect);
c.drawBitmap(btm, rect, rect, null);
post_update_done();
}
@SuppressWarnings("unused")
private void LOG(CharSequence text)
{
Log.d("Rockbox", (String) text);
}
public boolean onTouchEvent(MotionEvent me)
{
int x = (int) me.getX();
int y = (int) me.getY();
switch (me.getAction())
{
case MotionEvent.ACTION_CANCEL:
case MotionEvent.ACTION_UP:
touchHandler(false, x, y);
return true;
case MotionEvent.ACTION_MOVE:
case MotionEvent.ACTION_DOWN:
touchHandler(true, x, y);
return true;
}
return false;
}
public boolean onKeyDown(int keyCode, KeyEvent event)
{
return buttonHandler(keyCode, true);
}
public boolean onKeyUp(int keyCode, KeyEvent event)
{
return buttonHandler(keyCode, false);
}
public void destroy()
{
set_lcd_active(0);
media_monitor.unregister();
}
@Override
protected void onWindowVisibilityChanged(int visibility)
{
super.onWindowVisibilityChanged(visibility);
switch (visibility) {
case VISIBLE:
set_lcd_active(1);
break;
case GONE:
case INVISIBLE:
set_lcd_active(0);
break;
}
}
@SuppressWarnings("unused")
private int getDpi()
{
return metrics.densityDpi;
}
@SuppressWarnings("unused")
private int getScrollThreshold()
{
return view_config.getScaledTouchSlop();
}
private native void post_update_done();
private native void set_lcd_active(int active);
private native void touchHandler(boolean down, int x, int y);
private native boolean buttonHandler(int keycode, boolean state);
}
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