A modern Music Player Daemon based on Rockbox open source high quality audio player
tsiry-sandratraina.com
libadwaita
audio
rust
zig
deno
mpris
rockbox
mpd
1/***************************************************************************
2 * __________ __ ___.
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
7 * \/ \/ \/ \/ \/
8 * $Id$
9 *
10 * Copyright (C) 2010 Thomas Martitz
11 *
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
16 *
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
19 *
20 ****************************************************************************/
21
22package org.rockbox;
23
24import java.nio.ByteBuffer;
25
26import android.content.Context;
27import android.graphics.Bitmap;
28import android.graphics.Canvas;
29import android.graphics.Rect;
30import android.util.DisplayMetrics;
31import android.view.KeyEvent;
32import android.view.MotionEvent;
33import android.view.SurfaceHolder;
34import android.view.SurfaceView;
35import android.view.ViewConfiguration;
36
37public class RockboxFramebuffer extends SurfaceView
38 implements SurfaceHolder.Callback
39{
40 private final DisplayMetrics metrics;
41 private final ViewConfiguration view_config;
42 private Bitmap btm;
43
44 /* first stage init; needs to run from a thread that has a Looper
45 * setup stuff that needs a Context */
46 public RockboxFramebuffer(Context c)
47 {
48 super(c);
49 metrics = c.getResources().getDisplayMetrics();
50 view_config = ViewConfiguration.get(c);
51 getHolder().addCallback(this);
52 /* Needed so we can catch KeyEvents */
53 setFocusable(true);
54 setFocusableInTouchMode(true);
55 setClickable(true);
56 /* don't draw until native is ready (2nd stage) */
57 setEnabled(false);
58 }
59
60 private void update(ByteBuffer framebuffer)
61 {
62 SurfaceHolder holder = getHolder();
63 Canvas c = holder.lockCanvas();
64 if (c == null)
65 return;
66
67 btm.copyPixelsFromBuffer(framebuffer);
68 synchronized (holder)
69 { /* draw */
70 c.drawBitmap(btm, 0.0f, 0.0f, null);
71 }
72 holder.unlockCanvasAndPost(c);
73 }
74
75 private void update(ByteBuffer framebuffer, Rect dirty)
76 {
77 SurfaceHolder holder = getHolder();
78 Canvas c = holder.lockCanvas(dirty);
79
80 if (c == null)
81 return;
82
83 /* can't copy a partial buffer, but it doesn't make a noticeable difference anyway */
84 btm.copyPixelsFromBuffer(framebuffer);
85 synchronized (holder)
86 { /* draw */
87 c.drawBitmap(btm, dirty, dirty, null);
88 }
89 holder.unlockCanvasAndPost(c);
90 }
91
92 public boolean onTouchEvent(MotionEvent me)
93 {
94 int x = (int) me.getX();
95 int y = (int) me.getY();
96
97 switch (me.getAction())
98 {
99 case MotionEvent.ACTION_CANCEL:
100 case MotionEvent.ACTION_UP:
101 touchHandler(false, x, y);
102 return true;
103 case MotionEvent.ACTION_MOVE:
104 case MotionEvent.ACTION_DOWN:
105 touchHandler(true, x, y);
106 return true;
107 }
108
109 return false;
110 }
111
112 public boolean onKeyDown(int keyCode, KeyEvent event)
113 {
114 return buttonHandler(keyCode, true);
115 }
116
117 public boolean onKeyUp(int keyCode, KeyEvent event)
118 {
119 return buttonHandler(keyCode, false);
120 }
121
122 private int getDpi()
123 {
124 return metrics.densityDpi;
125 }
126
127
128 private int getScrollThreshold()
129 {
130 return view_config.getScaledTouchSlop();
131 }
132
133 private native void touchHandler(boolean down, int x, int y);
134 public native static boolean buttonHandler(int keycode, boolean state);
135
136 public native void surfaceCreated(SurfaceHolder holder);
137 public native void surfaceDestroyed(SurfaceHolder holder);
138 public void surfaceChanged(SurfaceHolder holder, int format, int width, int height)
139 {
140 btm = Bitmap.createBitmap(width, height, Bitmap.Config.RGB_565);
141 setEnabled(true);
142 }
143}