godot/platform/android/dir_access_jandroid.cpp

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/*************************************************************************/
/* dir_access_jandroid.cpp */
/*************************************************************************/
/* This file is part of: */
/* GODOT ENGINE */
/* https://godotengine.org */
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/*************************************************************************/
/* Copyright (c) 2007-2019 Juan Linietsky, Ariel Manzur. */
/* Copyright (c) 2014-2019 Godot Engine contributors (cf. AUTHORS.md) */
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/* */
/* 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. */
/*************************************************************************/
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#include "dir_access_jandroid.h"
#include "core/print_string.h"
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#include "file_access_jandroid.h"
#include "string_android.h"
#include "thread_jandroid.h"
jobject DirAccessJAndroid::io = NULL;
jclass DirAccessJAndroid::cls = NULL;
jmethodID DirAccessJAndroid::_dir_open = NULL;
jmethodID DirAccessJAndroid::_dir_next = NULL;
jmethodID DirAccessJAndroid::_dir_close = NULL;
jmethodID DirAccessJAndroid::_dir_is_dir = NULL;
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DirAccess *DirAccessJAndroid::create_fs() {
return memnew(DirAccessJAndroid);
}
Error DirAccessJAndroid::list_dir_begin() {
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list_dir_end();
JNIEnv *env = ThreadAndroid::get_env();
jstring js = env->NewStringUTF(current_dir.utf8().get_data());
int res = env->CallIntMethod(io, _dir_open, js);
if (res <= 0)
return ERR_CANT_OPEN;
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id = res;
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return OK;
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}
String DirAccessJAndroid::get_next() {
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ERR_FAIL_COND_V(id == 0, "");
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JNIEnv *env = ThreadAndroid::get_env();
jstring str = (jstring)env->CallObjectMethod(io, _dir_next, id);
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if (!str)
return "";
String ret = jstring_to_string((jstring)str, env);
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env->DeleteLocalRef((jobject)str);
return ret;
}
bool DirAccessJAndroid::current_is_dir() const {
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JNIEnv *env = ThreadAndroid::get_env();
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return env->CallBooleanMethod(io, _dir_is_dir, id);
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}
bool DirAccessJAndroid::current_is_hidden() const {
return current != "." && current != ".." && current.begins_with(".");
}
void DirAccessJAndroid::list_dir_end() {
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if (id == 0)
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return;
JNIEnv *env = ThreadAndroid::get_env();
env->CallVoidMethod(io, _dir_close, id);
id = 0;
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}
int DirAccessJAndroid::get_drive_count() {
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return 0;
}
String DirAccessJAndroid::get_drive(int p_drive) {
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return "";
}
Error DirAccessJAndroid::change_dir(String p_dir) {
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JNIEnv *env = ThreadAndroid::get_env();
p_dir = p_dir.simplify_path();
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if (p_dir == "" || p_dir == "." || (p_dir == ".." && current_dir == ""))
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return OK;
String new_dir;
if (p_dir != "res://" && p_dir.length() > 1 && p_dir.ends_with("/"))
p_dir = p_dir.substr(0, p_dir.length() - 1);
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if (p_dir.begins_with("/"))
new_dir = p_dir.substr(1, p_dir.length());
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else if (p_dir.begins_with("res://"))
new_dir = p_dir.substr(6, p_dir.length());
else if (current_dir == "")
new_dir = p_dir;
else
new_dir = current_dir.plus_file(p_dir);
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//test if newdir exists
new_dir = new_dir.simplify_path();
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jstring js = env->NewStringUTF(new_dir.utf8().get_data());
int res = env->CallIntMethod(io, _dir_open, js);
env->DeleteLocalRef(js);
if (res <= 0)
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return ERR_INVALID_PARAMETER;
env->CallVoidMethod(io, _dir_close, res);
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current_dir = new_dir;
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return OK;
}
String DirAccessJAndroid::get_current_dir() {
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return "res://" + current_dir;
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}
bool DirAccessJAndroid::file_exists(String p_file) {
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String sd;
if (current_dir == "")
sd = p_file;
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else
sd = current_dir.plus_file(p_file);
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FileAccessJAndroid *f = memnew(FileAccessJAndroid);
bool exists = f->file_exists(sd);
memdelete(f);
return exists;
}
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bool DirAccessJAndroid::dir_exists(String p_dir) {
JNIEnv *env = ThreadAndroid::get_env();
String sd;
if (current_dir == "")
sd = p_dir;
else {
if (p_dir.is_rel_path())
sd = current_dir.plus_file(p_dir);
else
sd = fix_path(p_dir);
}
String path = sd.simplify_path();
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if (path.begins_with("/"))
path = path.substr(1, path.length());
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else if (path.begins_with("res://"))
path = path.substr(6, path.length());
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jstring js = env->NewStringUTF(path.utf8().get_data());
int res = env->CallIntMethod(io, _dir_open, js);
env->DeleteLocalRef(js);
if (res <= 0)
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return false;
env->CallVoidMethod(io, _dir_close, res);
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return true;
}
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Error DirAccessJAndroid::make_dir(String p_dir) {
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ERR_FAIL_V(ERR_UNAVAILABLE);
}
Error DirAccessJAndroid::rename(String p_from, String p_to) {
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ERR_FAIL_V(ERR_UNAVAILABLE);
}
Error DirAccessJAndroid::remove(String p_name) {
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ERR_FAIL_V(ERR_UNAVAILABLE);
}
String DirAccessJAndroid::get_filesystem_type() const {
return "APK";
}
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//FileType get_file_type() const;
size_t DirAccessJAndroid::get_space_left() {
return 0;
}
void DirAccessJAndroid::setup(jobject p_io) {
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JNIEnv *env = ThreadAndroid::get_env();
io = p_io;
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jclass c = env->GetObjectClass(io);
cls = (jclass)env->NewGlobalRef(c);
_dir_open = env->GetMethodID(cls, "dir_open", "(Ljava/lang/String;)I");
_dir_next = env->GetMethodID(cls, "dir_next", "(I)Ljava/lang/String;");
_dir_close = env->GetMethodID(cls, "dir_close", "(I)V");
_dir_is_dir = env->GetMethodID(cls, "dir_is_dir", "(I)Z");
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//(*env)->CallVoidMethod(env,obj,aMethodID, myvar);
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}
DirAccessJAndroid::DirAccessJAndroid() {
id = 0;
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}
DirAccessJAndroid::~DirAccessJAndroid() {
list_dir_end();
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}