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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 "button.h"
#include "buttonmap.h"
#include "config.h"
#include "kernel.h"
#include "system.h"
#include "touchscreen.h"
#include "powermgmt.h"
extern JNIEnv *env_ptr;
extern jclass RockboxService_class;
extern jobject RockboxService_instance;
static int last_y, last_x;
static int last_btns;
static enum {
STATE_UNKNOWN,
STATE_UP,
STATE_DOWN,
} last_touch_state = STATE_UNKNOWN;
/*
* this notifies us in an interrupt-like fashion whether the user just
* began or stopped the touch action + where (pixel coordinates) */
JNIEXPORT void JNICALL
Java_org_rockbox_RockboxFramebuffer_touchHandler(JNIEnv*env, jobject this,
jboolean down, jint x, jint y)
{
(void)env;
(void)this;
if (down)
last_touch_state = STATE_DOWN;
else
last_touch_state = STATE_UP;
last_x = x;
last_y = y;
}
/*
* this writes in an interrupt-like fashion the button events that the user
* generated by pressing/releasing them to a variable */
JNIEXPORT bool JNICALL
Java_org_rockbox_RockboxFramebuffer_buttonHandler(JNIEnv*env, jclass class,
jint keycode, jboolean state)
{
(void)env;
(void)class;
unsigned button = 0;
if (!state)
{
button = multimedia_to_button((int)keycode);
if (!button)
button = dpad_to_button((int)keycode);
if (button)
{
/* ensure button_queue can be safely posted to */
wait_rockbox_ready();
reset_poweroff_timer();
queue_post(&button_queue, button, 0);
return true;
}
}
if (!button)
{
button = key_to_button(keycode);
}
if (button == BUTTON_NONE)
{
last_btns = button;
return false;
}
if (state)
{
last_btns |= button;
}
else
{
last_btns &= (~button);
return false;
}
return true;
}
void button_init_device(void)
{
JNIEnv e = *env_ptr;
jclass class = e->FindClass(env_ptr, "org/rockbox/monitors/HeadphoneMonitor");
jmethodID constructor = e->GetMethodID(env_ptr, class,
"<init>",
"(Landroid/content/Context;)V");
e->NewObject(env_ptr, class,
constructor,
RockboxService_instance);
/* when reaching this point, rockbox can be considered ready because the
* input system (button.c) is initialized. This implies the kernel and threading
* is up and running */
set_rockbox_ready();
}
void touchscreen_enable_device(bool en)
{
(void)en; /* FIXME: do something smart */
}
int button_read_device(int *data)
{
int btn = last_btns;
/* Get grid button/coordinates based on the current touchscreen mode
*
* Caveat: the caller seemingly depends on *data always being filled with
* the last known touchscreen position, so always call
* touchscreen_to_pixels() */
int touch = touchscreen_to_pixels(last_x, last_y, data);
if (last_touch_state == STATE_DOWN)
btn |= touch;
return btn;
}
static int hp_state;
JNIEXPORT void JNICALL
Java_org_rockbox_monitors_HeadphoneMonitor_postHpStateChanged(JNIEnv *env,
jobject this,
jint state)
{
(void)env; (void)this;
hp_state = state;
}
/* Tell if anything is in the jack.
*
* since this is called from the tick task, which isn't attached to
* the dalvik VM, it's not permitted to make JNI calls (therefore
* we need the above callback) */
bool headphones_inserted(void)
{
/* 0 is disconnected, 1 and 2 are connected */
return (hp_state == 0) ? false : true;
}
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