1 files changed, 87 insertions, 0 deletions

diff --git a/firmware/target/hosted/android/button-android.c b/firmware/target/hosted/android/button-android.c
new file mode 100644
index 0000000000..67e8ca1f89
--- /dev/null
+++ b/firmware/target/hosted/android/button-android.c
@@ -0,0 +1,87 @@
+/***************************************************************************
+ *             __________               __   ___.
+ *   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.
+ *
+ ****************************************************************************/
+
+
+#include <jni.h>
+#include <stdbool.h>
+#include "config.h"
+#include "kernel.h"
+#include "system.h"
+#include "touchscreen.h"
+
+static long last_touch;
+static int last_y, last_x;
+
+static enum {
+    STATE_UNKNOWN,
+    STATE_UP,
+    STATE_DOWN,
+} last_state = STATE_UNKNOWN;
+
+
+/*
+ * this writes in an interrupt-like fashion the last pixel coordinates
+ * that the user pressed on the screen */
+JNIEXPORT void JNICALL
+Java_org_rockbox_RockboxFramebuffer_pixelHandler(JNIEnv*env, jobject this,
+                                                        int x, int y)
+{
+    (void)env;
+    (void)this;
+    last_x = x;
+    last_y = y;
+    last_touch = current_tick;
+}
+
+/*
+ * this notifies us in an interrupt-like fashion whether the user just
+ * began or stopped the touch action */
+JNIEXPORT void JNICALL
+Java_org_rockbox_RockboxFramebuffer_touchHandler(JNIEnv*env, jobject this,
+                                                        int down)
+{
+    (void)env;
+    (void)this;
+    if (down)
+        last_state = STATE_DOWN;
+    else
+        last_state = STATE_UP;
+}
+
+void button_init_device(void)
+{
+    last_touch = current_tick;
+}
+
+int button_read_device(int *data)
+{
+    /* get grid button/coordinates based on the current touchscreen mode */
+    int btn = touchscreen_to_pixels(last_x, last_y, data);
+    if (last_state == STATE_DOWN)
+    {
+        return btn;
+    }
+    else
+    {
+        *data = last_x = last_y = 0;
+        return 0;
+    }
+}