forked from len0rd/rockbox
b2f52477df
Making a JNI call from tick tasks is not permitted as the underlying thread is not attached to the Java VM. This is an error and crashes in the emulator (which has stricter JNI checks enabled by default). git-svn-id: svn://svn.rockbox.org/rockbox/trunk@30173 a1c6a512-1295-4272-9138-f99709370657
161 lines
4.4 KiB
C
161 lines
4.4 KiB
C
/***************************************************************************
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* __________ __ ___.
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* Open \______ \ ____ ____ | | _\_ |__ _______ ___
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* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
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* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
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* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
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* \/ \/ \/ \/ \/
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* $Id$
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*
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* Copyright (c) 2010 Thomas Martitz
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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****************************************************************************/
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#include <jni.h>
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#include <stdbool.h>
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#include "button.h"
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#include "buttonmap.h"
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#include "config.h"
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#include "kernel.h"
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#include "system.h"
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#include "touchscreen.h"
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#include "powermgmt.h"
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extern JNIEnv *env_ptr;
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extern jclass RockboxService_class;
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extern jobject RockboxService_instance;
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static int last_y, last_x;
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static int last_btns;
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static enum {
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STATE_UNKNOWN,
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STATE_UP,
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STATE_DOWN,
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} last_touch_state = STATE_UNKNOWN;
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/*
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* this notifies us in an interrupt-like fashion whether the user just
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* began or stopped the touch action + where (pixel coordinates) */
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JNIEXPORT void JNICALL
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Java_org_rockbox_RockboxFramebuffer_touchHandler(JNIEnv*env, jobject this,
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jboolean down, jint x, jint y)
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{
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(void)env;
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(void)this;
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if (down)
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last_touch_state = STATE_DOWN;
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else
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last_touch_state = STATE_UP;
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last_x = x;
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last_y = y;
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}
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/*
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* this writes in an interrupt-like fashion the button events that the user
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* generated by pressing/releasing them to a variable */
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JNIEXPORT bool JNICALL
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Java_org_rockbox_RockboxFramebuffer_buttonHandler(JNIEnv*env, jclass class,
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jint keycode, jboolean state)
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{
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(void)env;
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(void)class;
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unsigned button = 0;
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if (!state)
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{
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button = multimedia_to_button((int)keycode);
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if (!button)
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button = dpad_to_button((int)keycode);
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if (button)
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{
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reset_poweroff_timer();
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queue_post(&button_queue, button, 0);
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return true;
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}
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}
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if (!button)
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{
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button = key_to_button(keycode);
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}
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if (button == BUTTON_NONE)
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{
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last_btns = button;
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return false;
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}
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if (state)
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{
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last_btns |= button;
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}
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else
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{
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last_btns &= (~button);
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return false;
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}
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return true;
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}
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void button_init_device(void)
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{
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JNIEnv e = *env_ptr;
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jclass class = e->FindClass(env_ptr, "org/rockbox/monitors/HeadphoneMonitor");
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jmethodID constructor = e->GetMethodID(env_ptr, class,
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"<init>",
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"(Landroid/content/Context;)V");
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e->NewObject(env_ptr, class,
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constructor,
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RockboxService_instance);
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}
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int button_read_device(int *data)
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{
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int btn = last_btns;
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/* Get grid button/coordinates based on the current touchscreen mode
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*
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* Caveat: the caller seemingly depends on *data always being filled with
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* the last known touchscreen position, so always call
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* touchscreen_to_pixels() */
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int touch = touchscreen_to_pixels(last_x, last_y, data);
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if (last_touch_state == STATE_DOWN)
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btn |= touch;
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return btn;
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}
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static int hp_state;
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JNIEXPORT void JNICALL
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Java_org_rockbox_monitors_HeadphoneMonitor_postCallHungUp(JNIEnv *env,
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jobject this,
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jint state)
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{
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(void)env; (void)this;
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hp_state = state;
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}
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/* Tell if anything is in the jack.
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*
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* since this is called from the tick task, which isn't attached to
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* the dalvik VM, it's not permitted to make JNI calls (therefore
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* we need the above callback) */
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bool headphones_inserted(void)
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{
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/* 0 is disconnected, 1 and 2 are connected */
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return (hp_state == 0) ? false : true;
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}
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