rockbox/apps/hosted/android/yesno.c
2011-10-15 19:35:02 +00:00

132 lines
4.5 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
/* Function to manipulate all yesno dialogues.
This function needs the output text as an argument. */
bool yesno_pop(const char* text)
{
const char *lines[]={text};
const struct text_message message={lines, 1};
bool ret = (gui_syncyesno_run(&message,NULL,NULL)== YESNO_YES);
FOR_NB_SCREENS(i)
screens[i].clear_viewport();
return ret;
}