int64_t CCUtils::getAvailableStorageSize() {
// actually we returned internal storage size
string path = getInternalStoragePath();
// get statfs
JniMethodInfo t;
JniHelper::getMethodInfo(t, "android/os/StatFs", "<init>", "(Ljava/lang/String;)V");
jstring jPath = t.env->NewStringUTF(path.c_str());
jobject statfs = t.env->NewObject(t.classID, t.methodID, jPath);
// release
t.env->DeleteLocalRef(t.classID);
// get block size
JniHelper::getMethodInfo(t, "android/os/StatFs", "getBlockSize", "()I");
jint blockSize = t.env->CallIntMethod(statfs, t.methodID);
// release
t.env->DeleteLocalRef(t.classID);
// get available block count
JniHelper::getMethodInfo(t, "android/os/StatFs", "getAvailableBlocks", "()I");
jint blocks = t.env->CallIntMethod(statfs, t.methodID);
// release
t.env->DeleteLocalRef(jPath);
t.env->DeleteLocalRef(t.classID);
// return
return blockSize * blocks;
}
void CCUtils::wipeExternal(StringList paths) {
string internalStorage = getInternalStoragePath();
if(internalStorage[internalStorage.length() - 1] != '/') {
internalStorage += "/";
}
for(StringList::iterator iter = paths.begin(); iter != paths.end(); iter++) {
string fullpath = internalStorage + (*iter);
if(isPathExistent(fullpath)) {
deleteFile(fullpath);
}
}
}
string CCUtils::externalize(const string& path) {
if(!CCFileUtils::sharedFileUtils()->isAbsolutePath(path)) {
// ensure internal dir ends with slash
string internalStorage = getInternalStoragePath();
if(internalStorage[internalStorage.length() - 1] != '/') {
internalStorage += "/";
}
// append search path
const vector<string>& searchPaths = CCFileUtils::sharedFileUtils()->getSearchPaths();
for(vector<string>::const_iterator iter = searchPaths.begin(); iter != searchPaths.end(); iter++) {
string fullpath = internalStorage + (*iter) + path;
if(isPathExistent(fullpath)) {
return fullpath;
}
}
// fallback, without search path
return internalStorage + path;
} else {
return path;
}
}
