rockbox/apps/hosted/android/keyboard.c

120 lines
4.3 KiB
C

/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2010 Jonathan Gordon
*
* 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 "config.h"
#if (CONFIG_PLATFORM&PLATFORM_ANDROID)
#include <jni.h>
#include <stdbool.h>
#include "string-extra.h"
#include "kernel.h"
#include "lang.h"
extern JNIEnv *env_ptr;
static jclass RockboxKeyboardInput_class;
static jobject RockboxKeyboardInput_instance;
static jmethodID kbd_inputfunc;
static struct semaphore kbd_wakeup;
static bool accepted;
static jstring new_string;
JNIEXPORT void JNICALL
Java_org_rockbox_RockboxKeyboardInput_put_1result(JNIEnv *env, jobject this,
jboolean _accepted,
jstring _new_string)
{
(void)env;(void)this;
accepted = (bool)_accepted;
if (accepted)
{
new_string = _new_string;
(*env)->NewGlobalRef(env, new_string); /* prevet GC'ing */
}
semaphore_release(&kbd_wakeup);
}
static void kdb_init(void)
{
JNIEnv e = *env_ptr;
static jmethodID kbd_is_usable;
if (RockboxKeyboardInput_class == NULL)
{
semaphore_init(&kbd_wakeup, 1, 0);
/* get the class and its constructor */
RockboxKeyboardInput_class = e->FindClass(env_ptr,
"org/rockbox/RockboxKeyboardInput");
jmethodID constructor = e->GetMethodID(env_ptr,
RockboxKeyboardInput_class,
"<init>", "()V");
RockboxKeyboardInput_instance = e->NewObject(env_ptr,
RockboxKeyboardInput_class,
constructor);
kbd_inputfunc = e->GetMethodID(env_ptr, RockboxKeyboardInput_class,
"kbd_input",
"(Ljava/lang/String;"
"Ljava/lang/String;"
"Ljava/lang/String;)V");
kbd_is_usable = e->GetMethodID(env_ptr, RockboxKeyboardInput_class,
"is_usable", "()Z");
}
/* need to get it every time incase the activity died/restarted */
while (!e->CallBooleanMethod(env_ptr, RockboxKeyboardInput_instance,
kbd_is_usable))
sleep(HZ/10);
}
int kbd_input(char* text, int buflen)
{
JNIEnv e = *env_ptr;
jstring str = e->NewStringUTF(env_ptr, text);
jstring ok_text = e->NewStringUTF(env_ptr, str(LANG_KBD_OK));
jstring cancel_text = e->NewStringUTF(env_ptr, str(LANG_KBD_CANCEL));
const char *utf8_string;
kdb_init();
e->CallVoidMethod(env_ptr, RockboxKeyboardInput_instance,kbd_inputfunc,
str, ok_text, cancel_text);
semaphore_wait(&kbd_wakeup, TIMEOUT_BLOCK);
if (accepted)
{
utf8_string = e->GetStringUTFChars(env_ptr, new_string, 0);
strlcpy(text, utf8_string, buflen);
e->ReleaseStringUTFChars(env_ptr, new_string, utf8_string);
e->DeleteGlobalRef(env_ptr, new_string);
}
e->DeleteLocalRef(env_ptr, str);
e->DeleteLocalRef(env_ptr, ok_text);
e->DeleteLocalRef(env_ptr, cancel_text);
return !accepted; /* return 0 on success */
}
int load_kbd(unsigned char* filename)
{
(void)filename;
return 1;
}
#endif