godot/platform/android/file_access_jandroid.cpp

253 lines
7.1 KiB
C++

/*************************************************************************/
/* file_access_jandroid.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* http://www.godotengine.org */
/*************************************************************************/
/* Copyright (c) 2007-2015 Juan Linietsky, Ariel Manzur. */
/* */
/* Permission is hereby granted, free of charge, to any person obtaining */
/* a copy of this software and associated documentation files (the */
/* "Software"), to deal in the Software without restriction, including */
/* without limitation the rights to use, copy, modify, merge, publish, */
/* distribute, sublicense, and/or sell copies of the Software, and to */
/* permit persons to whom the Software is furnished to do so, subject to */
/* the following conditions: */
/* */
/* The above copyright notice and this permission notice shall be */
/* included in all copies or substantial portions of the Software. */
/* */
/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, */
/* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF */
/* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.*/
/* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY */
/* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, */
/* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE */
/* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */
/*************************************************************************/
#ifndef ANDROID_NATIVE_ACTIVITY
#include "file_access_jandroid.h"
#include "os/os.h"
#include <unistd.h>
#include "thread_jandroid.h"
jobject FileAccessJAndroid::io=NULL;
jclass FileAccessJAndroid::cls;
jmethodID FileAccessJAndroid::_file_open=0;
jmethodID FileAccessJAndroid::_file_get_size=0;
jmethodID FileAccessJAndroid::_file_seek=0;
jmethodID FileAccessJAndroid::_file_read=0;
jmethodID FileAccessJAndroid::_file_tell=0;
jmethodID FileAccessJAndroid::_file_eof=0;
jmethodID FileAccessJAndroid::_file_close=0;
FileAccess* FileAccessJAndroid::create_jandroid() {
return memnew(FileAccessJAndroid);
}
Error FileAccessJAndroid::_open(const String& p_path, int p_mode_flags) {
if (is_open())
close();
String path=fix_path(p_path).simplify_path();
if (path.begins_with("/"))
path=path.substr(1,path.length());
else if (path.begins_with("res://"))
path=path.substr(6,path.length());
JNIEnv *env = ThreadAndroid::get_env();
//OS::get_singleton()->print("env: %p, io %p, fo: %p\n",env,io,_file_open);
jstring js = env->NewStringUTF(path.utf8().get_data());
int res = env->CallIntMethod(io,_file_open,js,p_mode_flags&WRITE?true:false);
env->DeleteLocalRef(js);
if (res<=0)
return ERR_FILE_CANT_OPEN;
id=res;
return OK;
}
void FileAccessJAndroid::close() {
if (!is_open())
return;
JNIEnv *env = ThreadAndroid::get_env();
env->CallVoidMethod(io,_file_close,id);
id=0;
}
bool FileAccessJAndroid::is_open() const {
return id!=0;
}
void FileAccessJAndroid::seek(size_t p_position) {
JNIEnv *env = ThreadAndroid::get_env();
ERR_FAIL_COND(!is_open());
env->CallVoidMethod(io,_file_seek,id,p_position);
}
void FileAccessJAndroid::seek_end(int64_t p_position) {
ERR_FAIL_COND(!is_open());
seek(get_len());
}
size_t FileAccessJAndroid::get_pos() const {
JNIEnv *env = ThreadAndroid::get_env();
ERR_FAIL_COND_V(!is_open(),0);
return env->CallIntMethod(io,_file_tell,id);
}
size_t FileAccessJAndroid::get_len() const {
JNIEnv *env = ThreadAndroid::get_env();
ERR_FAIL_COND_V(!is_open(),0);
return env->CallIntMethod(io,_file_get_size,id);
}
bool FileAccessJAndroid::eof_reached() const {
JNIEnv *env = ThreadAndroid::get_env();
ERR_FAIL_COND_V(!is_open(),0);
return env->CallIntMethod(io,_file_eof,id);
}
uint8_t FileAccessJAndroid::get_8() const {
ERR_FAIL_COND_V(!is_open(),0);
uint8_t byte;
get_buffer(&byte,1);
return byte;
}
int FileAccessJAndroid::get_buffer(uint8_t *p_dst, int p_length) const {
ERR_FAIL_COND_V(!is_open(),0);
if (p_length==0)
return 0;
JNIEnv *env = ThreadAndroid::get_env();
jbyteArray jca = (jbyteArray)env->CallObjectMethod(io,_file_read,id,p_length);
int len = env->GetArrayLength(jca);
env->GetByteArrayRegion(jca,0,len,(jbyte*)p_dst);
env->DeleteLocalRef((jobject)jca);
return len;
}
Error FileAccessJAndroid::get_error() const {
if (eof_reached())
return ERR_FILE_EOF;
return OK;
}
void FileAccessJAndroid::store_8(uint8_t p_dest) {
}
bool FileAccessJAndroid::file_exists(const String& p_path) {
JNIEnv *env = ThreadAndroid::get_env();
String path=fix_path(p_path).simplify_path();
if (path.begins_with("/"))
path=path.substr(1,path.length());
else if (path.begins_with("res://"))
path=path.substr(6,path.length());
jstring js = env->NewStringUTF(path.utf8().get_data());
int res = env->CallIntMethod(io,_file_open,js,false);
if (res<=0)
return false;
env->CallVoidMethod(io,_file_close,res);
env->DeleteLocalRef(js);
return true;
}
void FileAccessJAndroid::setup( jobject p_io) {
io=p_io;
JNIEnv *env = ThreadAndroid::get_env();
__android_log_print(ANDROID_LOG_INFO,"godot","STEP5");
jclass c = env->GetObjectClass(io);
__android_log_print(ANDROID_LOG_INFO,"godot","STEP6");
cls=(jclass)env->NewGlobalRef(c);
_file_open = env->GetMethodID(cls, "file_open", "(Ljava/lang/String;Z)I");
if(_file_open != 0) {
__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_open ok!!");
}
_file_get_size = env->GetMethodID(cls, "file_get_size", "(I)I");
if(_file_get_size != 0) {
__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_get_size ok!!");
}
_file_tell = env->GetMethodID(cls, "file_tell", "(I)I");
if(_file_tell != 0) {
__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_tell ok!!");
}
_file_eof = env->GetMethodID(cls, "file_eof", "(I)Z");
if(_file_eof != 0) {
__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_eof ok!!");
}
_file_seek = env->GetMethodID(cls, "file_seek", "(II)V");
if(_file_seek != 0) {
__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_seek ok!!");
}
_file_read = env->GetMethodID(cls, "file_read", "(II)[B");
if(_file_read != 0) {
__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_read ok!!");
}
_file_close = env->GetMethodID(cls, "file_close", "(I)V");
if(_file_close != 0) {
__android_log_print(ANDROID_LOG_INFO,"godot","*******GOT METHOD _file_close ok!!");
}
// (*env)->CallVoidMethod(env,obj,aMethodID, myvar);
}
FileAccessJAndroid::FileAccessJAndroid()
{
id=0;
}
FileAccessJAndroid::~FileAccessJAndroid()
{
if (is_open())
close();
}
#endif