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-rw-r--r--firmware/target/hosted/android/button-android.c87
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diff --git a/firmware/target/hosted/android/button-android.c b/firmware/target/hosted/android/button-android.c
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+++ b/firmware/target/hosted/android/button-android.c
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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.
+ *
+ ****************************************************************************/
+
+
+#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;
+ }
+}