//creates a local ioc where the sourceIoc can be stored to
public static IOConnectionInfo GetInternalIoc(IOConnectionInfo sourceIoc, Context ctx, IKp2aApp app)
{
Java.IO.File internalDirectory = IoUtil.GetInternalDirectory(ctx);
var filestorage = app.GetFileStorage(sourceIoc);
string targetPath = filestorage.GetFilenameWithoutPathAndExt(sourceIoc);
targetPath = targetPath.Trim("|\\?*<\":>+[]/'".ToCharArray());
if (targetPath == "")
{
targetPath = "internal";
}
if (new File(internalDirectory, targetPath).Exists())
{
int c = 1;
var ext = UrlUtil.GetExtension(targetPath);
var filenameWithoutExt = UrlUtil.StripExtension(targetPath);
do
{
c++;
targetPath = filenameWithoutExt + c;
if (!String.IsNullOrEmpty(ext))
{
targetPath += "." + ext;
}
} while (new File(internalDirectory, targetPath).Exists());
}
return(IOConnectionInfo.FromPath(new File(internalDirectory, targetPath).CanonicalPath));
}
public void PrepareFileUsage(IFileStorageSetupInitiatorActivity activity, IOConnectionInfo ioc, int requestCode, bool alwaysReturnSuccess)
{
//check if we need to request the external-storage-permission at runtime
if (ioc.IsLocalFile())
{
bool requiresPermission = !(ioc.Path.StartsWith(activity.Activity.FilesDir.CanonicalPath) ||
ioc.Path.StartsWith(IoUtil.GetInternalDirectory(activity.Activity).CanonicalPath) ||
ioc.Path.StartsWith(IoUtil.GetInternalDirectory(activity.Activity).CanonicalPath));
var extDirectory = activity.Activity.GetExternalFilesDir(null);
if ((extDirectory != null) && (ioc.Path.StartsWith(extDirectory.CanonicalPath)))
{
requiresPermission = false;
}
if (requiresPermission && (Build.VERSION.SdkInt >= BuildVersionCodes.M))
{
if ((activity.Activity.CheckSelfPermission(Manifest.Permission.WriteExternalStorage) ==
Permission.Denied)
||
(activity.Activity.CheckSelfPermission(Manifest.Permission.ReadExternalStorage) ==
Permission.Denied))
{
activity.StartFileUsageProcess(ioc, requestCode, alwaysReturnSuccess);
return;
}
}
}
Intent intent = new Intent();
activity.IocToIntent(intent, ioc);
activity.OnImmediateResult(requestCode, (int)FileStorageResults.FileUsagePrepared, intent);
}
public static IOConnectionInfo ImportFileToInternalDirectory(IOConnectionInfo sourceIoc, Context ctx, IKp2aApp app)
{
var targetIoc = GetInternalIoc(sourceIoc, ctx, app);
IoUtil.Copy(targetIoc, sourceIoc, app);
return(targetIoc);
}
private bool IsLocalBackup(IOConnectionInfo ioc)
{
bool result;
if (_isLocalBackupCache.TryGetValue(ioc.Path, out result))
{
return(result);
}
result = (PreferenceManager.GetDefaultSharedPreferences(Application.Context)
.GetBoolean(IoUtil.GetIocPrefKey(ioc, "is_local_backup"), false));
_isLocalBackupCache[ioc.Path] = result;
return(result);
}
public CachingFileStorage(IFileStorage cachedStorage, Context cacheDirContext, ICacheSupervisor cacheSupervisor)
{
_cachedStorage = new OfflineSwitchableFileStorage(cachedStorage);
_cacheSupervisor = cacheSupervisor;
_legacyCacheDir = cacheDirContext.CacheDir.Path + Java.IO.File.Separator + "OfflineCache" + Java.IO.File.Separator;
if (!Directory.Exists(_legacyCacheDir))
{
Directory.CreateDirectory(_legacyCacheDir);
}
_cacheDir = IoUtil.GetInternalDirectory(cacheDirContext).Path + Java.IO.File.Separator + "OfflineCache" + Java.IO.File.Separator;
if (!Directory.Exists(_cacheDir))
{
Directory.CreateDirectory(_cacheDir);
}
}
public IOConnectionInfo GetParentPath(IOConnectionInfo ioc)
{
return(IoUtil.GetParentPath(ioc));
}
public void ClearCache()
{
IoUtil.DeleteDir(new Java.IO.File(_streamCacheDir), true);
}
public void ClearCache()
{
IoUtil.DeleteDir(new Java.IO.File(_legacyCacheDir), true);
IoUtil.DeleteDir(new Java.IO.File(_cacheDir), true);
}