118 lines
3.6 KiB
C
118 lines
3.6 KiB
C
|
/*
|
||
|
|
* Android support routines for PhysicsFS.
|
||
|
|
*
|
||
|
|
* Please see the file LICENSE.txt in the source's root directory.
|
||
|
|
*
|
||
|
|
* This file written by Ryan C. Gordon.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define __PHYSICSFS_INTERNAL__
|
||
|
|
#include "physfs_platforms.h"
|
||
|
|
|
||
|
|
#ifdef PHYSFS_PLATFORM_ANDROID
|
||
|
|
|
||
|
|
#include <jni.h>
|
||
|
|
#include <android/log.h>
|
||
|
|
#include "physfs_internal.h"
|
||
|
|
|
||
|
|
static char *prefpath = NULL;
|
||
|
|
|
||
|
|
|
||
|
|
int __PHYSFS_platformInit(void)
|
||
|
|
{
|
||
|
|
return 1; /* always succeed. */
|
||
|
|
} /* __PHYSFS_platformInit */
|
||
|
|
|
||
|
|
|
||
|
|
void __PHYSFS_platformDeinit(void)
|
||
|
|
{
|
||
|
|
if (prefpath)
|
||
|
|
{
|
||
|
|
allocator.Free(prefpath);
|
||
|
|
prefpath = NULL;
|
||
|
|
} /* if */
|
||
|
|
} /* __PHYSFS_platformDeinit */
|
||
|
|
|
||
|
|
|
||
|
|
void __PHYSFS_platformDetectAvailableCDs(PHYSFS_StringCallback cb, void *data)
|
||
|
|
{
|
||
|
|
/* no-op. */
|
||
|
|
} /* __PHYSFS_platformDetectAvailableCDs */
|
||
|
|
|
||
|
|
|
||
|
|
char *__PHYSFS_platformCalcBaseDir(const char *argv0)
|
||
|
|
{
|
||
|
|
/* as a cheat, we expect argv0 to be a PHYSFS_AndroidInit* on Android. */
|
||
|
|
PHYSFS_AndroidInit *ainit = (PHYSFS_AndroidInit *) argv0;
|
||
|
|
char *retval = NULL;
|
||
|
|
JNIEnv *jenv = NULL;
|
||
|
|
jobject jcontext;
|
||
|
|
|
||
|
|
if (ainit == NULL)
|
||
|
|
return __PHYSFS_strdup("/"); /* oh well. */
|
||
|
|
|
||
|
|
jenv = (JNIEnv *) ainit->jnienv;
|
||
|
|
jcontext = (jobject) ainit->context;
|
||
|
|
|
||
|
|
if ((*jenv)->PushLocalFrame(jenv, 16) >= 0)
|
||
|
|
{
|
||
|
|
jobject jfileobj = 0;
|
||
|
|
jmethodID jmeth = 0;
|
||
|
|
jthrowable jexception = 0;
|
||
|
|
jstring jstr = 0;
|
||
|
|
|
||
|
|
jmeth = (*jenv)->GetMethodID(jenv, (*jenv)->GetObjectClass(jenv, jcontext), "getPackageResourcePath", "()Ljava/lang/String;");
|
||
|
|
jstr = (jstring)(*jenv)->CallObjectMethod(jenv, jcontext, jmeth);
|
||
|
|
jexception = (*jenv)->ExceptionOccurred(jenv); /* this can't throw an exception, right? Just in case. */
|
||
|
|
if (jexception != NULL)
|
||
|
|
(*jenv)->ExceptionClear(jenv);
|
||
|
|
else
|
||
|
|
{
|
||
|
|
const char *path = (*jenv)->GetStringUTFChars(jenv, jstr, NULL);
|
||
|
|
retval = __PHYSFS_strdup(path);
|
||
|
|
(*jenv)->ReleaseStringUTFChars(jenv, jstr, path);
|
||
|
|
} /* else */
|
||
|
|
|
||
|
|
/* We only can rely on the Activity being valid during this function call,
|
||
|
|
so go ahead and grab the prefpath too. */
|
||
|
|
jmeth = (*jenv)->GetMethodID(jenv, (*jenv)->GetObjectClass(jenv, jcontext), "getFilesDir", "()Ljava/io/File;");
|
||
|
|
jfileobj = (*jenv)->CallObjectMethod(jenv, jcontext, jmeth);
|
||
|
|
if (jfileobj)
|
||
|
|
{
|
||
|
|
jmeth = (*jenv)->GetMethodID(jenv, (*jenv)->GetObjectClass(jenv, jfileobj), "getCanonicalPath", "()Ljava/lang/String;");
|
||
|
|
jstr = (jstring)(*jenv)->CallObjectMethod(jenv, jfileobj, jmeth);
|
||
|
|
jexception = (*jenv)->ExceptionOccurred(jenv);
|
||
|
|
if (jexception != NULL)
|
||
|
|
(*jenv)->ExceptionClear(jenv);
|
||
|
|
else
|
||
|
|
{
|
||
|
|
const char *path = (*jenv)->GetStringUTFChars(jenv, jstr, NULL);
|
||
|
|
const size_t len = strlen(path) + 2;
|
||
|
|
prefpath = allocator.Malloc(len);
|
||
|
|
if (prefpath)
|
||
|
|
snprintf(prefpath, len, "%s/", path);
|
||
|
|
(*jenv)->ReleaseStringUTFChars(jenv, jstr, path);
|
||
|
|
} /* else */
|
||
|
|
} /* if */
|
||
|
|
|
||
|
|
(*jenv)->PopLocalFrame(jenv, NULL);
|
||
|
|
} /* if */
|
||
|
|
|
||
|
|
/* we can't return NULL because then PhysicsFS will treat argv0 as a string, but it's a non-NULL jobject! */
|
||
|
|
if (retval == NULL)
|
||
|
|
retval = __PHYSFS_strdup("/"); /* we pray this works. */
|
||
|
|
|
||
|
|
return retval;
|
||
|
|
} /* __PHYSFS_platformCalcBaseDir */
|
||
|
|
|
||
|
|
|
||
|
|
char *__PHYSFS_platformCalcPrefDir(const char *org, const char *app)
|
||
|
|
{
|
||
|
|
return __PHYSFS_strdup(prefpath ? prefpath : "/");
|
||
|
|
} /* __PHYSFS_platformCalcPrefDir */
|
||
|
|
|
||
|
|
#endif /* PHYSFS_PLATFORM_ANDROID */
|
||
|
|
|
||
|
|
/* end of physfs_platform_android.c ... */
|
||
|
|
|