rockbox/apps/hosted/android/yesno.c
Thomas Martitz 046cec3aa7 Android: Partly revert r29569 and only call the new getJavaEnvironment() when needed.
The environment is fine to share in general, just not across OS threads, so it's only needed
for functions which are possibly called from multiple OS threads (only 1 currently).

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29601 a1c6a512-1295-4272-9138-f99709370657
2011-03-16 14:33:55 +00:00

120 lines
4.2 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 <stdio.h>
#include "yesno.h"
#include "settings.h"
#include "lang.h"
#include "kernel.h"
extern JNIEnv *env_ptr;
static jobject RockboxYesno_instance = NULL;
static jmethodID yesno_func;
static struct semaphore yesno_done;
static bool ret;
JNIEXPORT void JNICALL
Java_org_rockbox_RockboxYesno_put_1result(JNIEnv *env, jobject this, jboolean result)
{
(void)env;
(void)this;
ret = (bool)result;
semaphore_release(&yesno_done);
}
static void yesno_init(void)
{
JNIEnv e = *env_ptr;
static jmethodID yesno_is_usable;
if (RockboxYesno_instance == NULL)
{
semaphore_init(&yesno_done, 1, 0);
/* get the class and its constructor */
jclass RockboxYesno_class = e->FindClass(env_ptr,
"org/rockbox/RockboxYesno");
jmethodID constructor = e->GetMethodID(env_ptr,
RockboxYesno_class,
"<init>", "()V");
RockboxYesno_instance = e->NewObject(env_ptr,
RockboxYesno_class,
constructor);
yesno_func = e->GetMethodID(env_ptr, RockboxYesno_class,
"yesno_display",
"(Ljava/lang/String;"
"Ljava/lang/String;"
"Ljava/lang/String;)V");
yesno_is_usable = e->GetMethodID(env_ptr, RockboxYesno_class,
"is_usable", "()Z");
}
/* need to get it every time incase the activity died/restarted */
while (!e->CallBooleanMethod(env_ptr, RockboxYesno_instance,
yesno_is_usable))
sleep(HZ/10);
}
jstring build_message(const struct text_message *message)
{
char msg[1024] = "";
JNIEnv e = *env_ptr;
int i;
for(i=0; i<message->nb_lines; i++)
{
char* text = P2STR((unsigned char *)message->message_lines[i]);
if (i>0)
strlcat(msg, "\n", 1024);
strlcat(msg, text, 1024);
}
/* make sure the questions end in a ?, for some reason they dont! */
if (!strrchr(msg, '?'))
strlcat(msg, "?", 1024);
return e->NewStringUTF(env_ptr, msg);
}
enum yesno_res gui_syncyesno_run(const struct text_message * main_message,
const struct text_message * yes_message,
const struct text_message * no_message)
{
(void)yes_message;
(void)no_message;
yesno_init();
JNIEnv e = *env_ptr;
jstring message = build_message(main_message);
jstring yes = (*env_ptr)->NewStringUTF(env_ptr, str(LANG_SET_BOOL_YES));
jstring no = (*env_ptr)->NewStringUTF(env_ptr, str(LANG_SET_BOOL_NO));
e->CallVoidMethod(env_ptr, RockboxYesno_instance, yesno_func,
message, yes, no);
semaphore_wait(&yesno_done, TIMEOUT_BLOCK);
e->DeleteLocalRef(env_ptr, message);
e->DeleteLocalRef(env_ptr, yes);
e->DeleteLocalRef(env_ptr, no);
return ret ? YESNO_YES : YESNO_NO;
}
#endif