| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.support.v4.provider; |
| |
| import android.content.Context; |
| import android.net.Uri; |
| |
| class TreeDocumentFile extends DocumentFile { |
| private Context mContext; |
| private Uri mUri; |
| |
| TreeDocumentFile(DocumentFile parent, Context context, Uri uri) { |
| super(parent); |
| mContext = context; |
| mUri = uri; |
| } |
| |
| @Override |
| public DocumentFile createFile(String mimeType, String displayName) { |
| final Uri result = DocumentsContractApi21.createFile(mContext, mUri, mimeType, displayName); |
| return (result != null) ? new TreeDocumentFile(this, mContext, result) : null; |
| } |
| |
| @Override |
| public DocumentFile createDirectory(String displayName) { |
| final Uri result = DocumentsContractApi21.createDirectory(mContext, mUri, displayName); |
| return (result != null) ? new TreeDocumentFile(this, mContext, result) : null; |
| } |
| |
| @Override |
| public Uri getUri() { |
| return mUri; |
| } |
| |
| @Override |
| public String getName() { |
| return DocumentsContractApi19.getName(mContext, mUri); |
| } |
| |
| @Override |
| public String getType() { |
| return DocumentsContractApi19.getType(mContext, mUri); |
| } |
| |
| @Override |
| public boolean isDirectory() { |
| return DocumentsContractApi19.isDirectory(mContext, mUri); |
| } |
| |
| @Override |
| public boolean isFile() { |
| return DocumentsContractApi19.isFile(mContext, mUri); |
| } |
| |
| @Override |
| public long lastModified() { |
| return DocumentsContractApi19.lastModified(mContext, mUri); |
| } |
| |
| @Override |
| public long length() { |
| return DocumentsContractApi19.length(mContext, mUri); |
| } |
| |
| @Override |
| public boolean canRead() { |
| return DocumentsContractApi19.canRead(mContext, mUri); |
| } |
| |
| @Override |
| public boolean canWrite() { |
| return DocumentsContractApi19.canWrite(mContext, mUri); |
| } |
| |
| @Override |
| public boolean delete() { |
| return DocumentsContractApi19.delete(mContext, mUri); |
| } |
| |
| @Override |
| public boolean exists() { |
| return DocumentsContractApi19.exists(mContext, mUri); |
| } |
| |
| @Override |
| public DocumentFile[] listFiles() { |
| final Uri[] result = DocumentsContractApi21.listFiles(mContext, mUri); |
| final DocumentFile[] resultFiles = new DocumentFile[result.length]; |
| for (int i = 0; i < result.length; i++) { |
| resultFiles[i] = new TreeDocumentFile(this, mContext, result[i]); |
| } |
| return resultFiles; |
| } |
| |
| @Override |
| public boolean renameTo(String displayName) { |
| final Uri result = DocumentsContractApi21.renameTo(mContext, mUri, displayName); |
| if (result != null) { |
| mUri = result; |
| return true; |
| } else { |
| return false; |
| } |
| } |
| } |