rockbox/apps/hosted/notification.c
Thomas Martitz d69d406e09 Android: Fix crash when playback is passing invalid metadata around.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29454 a1c6a512-1295-4272-9138-f99709370657
2011-02-28 00:59:44 +00:00

111 lines
4 KiB
C

/***************************************************************************
* __________ __ ___.
* 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 <stdio.h>
#include "notification.h"
#include "appevents.h"
#include "metadata.h"
#include "albumart.h"
#include "misc.h"
#include "debug.h"
extern JNIEnv *env_ptr;
extern jclass RockboxService_class;
extern jobject RockboxService_instance;
static jmethodID updateNotification, finishNotification;
static jobject NotificationManager_instance;
static jstring title, artist, album, albumart;
/* completely arbitrary dimensions. neded for find_albumart() */
static const struct dim dim = { .width = 200, .height = 200 };
#define NZV(a) (a && a[0])
/*
* notify about track change, and show track info */
static void track_changed_callback(void *param)
{
struct mp3entry* id3 = (struct mp3entry*)param;
JNIEnv e = *env_ptr;
if (id3)
{
/* passing NULL to DeleteLocalRef() is OK */
e->DeleteLocalRef(env_ptr, title);
e->DeleteLocalRef(env_ptr, artist);
e->DeleteLocalRef(env_ptr, album);
e->DeleteLocalRef(env_ptr, albumart);
char buf[200];
const char * ptitle = id3->title;
if (!ptitle && *id3->path)
{ /* pass the filename as title if id3 info isn't available */
ptitle = strip_extension(buf, sizeof(buf), strrchr(id3->path,'/') + 1);
}
title = e->NewStringUTF(env_ptr, ptitle ?: "");
artist = e->NewStringUTF(env_ptr, id3->artist ?: "");
album = e->NewStringUTF(env_ptr, id3->album ?: "");
albumart = NULL;
if (find_albumart(id3, buf, sizeof(buf), &dim))
albumart = e->NewStringUTF(env_ptr, buf);
e->CallVoidMethod(env_ptr, NotificationManager_instance,
updateNotification, title, artist, album, albumart);
}
}
/*
* notify about track finishing */
static void track_finished_callback(void *param)
{
(void)param;
JNIEnv e = *env_ptr;
e->CallVoidMethod(env_ptr, NotificationManager_instance,
finishNotification);
}
void notification_init(void)
{
JNIEnv e = *env_ptr;
jfieldID nNM = e->GetFieldID(env_ptr, RockboxService_class,
"fg_runner", "Lorg/rockbox/Helper/RunForegroundManager;");
NotificationManager_instance = e->GetObjectField(env_ptr,
RockboxService_instance, nNM);
if (NotificationManager_instance == NULL)
{
DEBUGF("Failed to get RunForegroundManager instance. Performance will be bad");
return;
}
jclass class = e->GetObjectClass(env_ptr, NotificationManager_instance);
updateNotification = e->GetMethodID(env_ptr, class, "updateNotification",
"(Ljava/lang/String;"
"Ljava/lang/String;"
"Ljava/lang/String;"
"Ljava/lang/String;)V");
finishNotification = e->GetMethodID(env_ptr, class, "finishNotification",
"()V");
add_event(PLAYBACK_EVENT_TRACK_CHANGE, false, track_changed_callback);
add_event(PLAYBACK_EVENT_TRACK_FINISH, false, track_finished_callback);
}