1/* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17package com.android.documentsui.picker; 18 19import android.app.Activity; 20import android.content.ContentProviderClient; 21import android.content.ContentResolver; 22import android.net.Uri; 23import android.provider.DocumentsContract; 24import android.support.design.widget.Snackbar; 25import android.util.Log; 26 27import com.android.documentsui.DocumentsAccess; 28import com.android.documentsui.DocumentsApplication; 29import com.android.documentsui.R; 30import com.android.documentsui.base.BooleanConsumer; 31import com.android.documentsui.base.DocumentInfo; 32import com.android.documentsui.base.DocumentStack; 33import com.android.documentsui.base.PairedTask; 34import com.android.documentsui.ui.Snackbars; 35 36import java.util.function.Consumer; 37 38/** 39 * Task that creates a new document in the background. 40 */ 41class CreatePickedDocumentTask extends PairedTask<Activity, Void, Uri> { 42 private final LastAccessedStorage mLastAccessed; 43 private final DocumentsAccess mDocs; 44 private final DocumentStack mStack; 45 private final String mMimeType; 46 private final String mDisplayName; 47 private final BooleanConsumer mInProgressStateListener; 48 private final Consumer<Uri> mCallback; 49 50 CreatePickedDocumentTask( 51 Activity activity, 52 DocumentsAccess docs, 53 LastAccessedStorage lastAccessed, 54 DocumentStack stack, 55 String mimeType, 56 String displayName, 57 BooleanConsumer inProgressStateListener, 58 Consumer<Uri> callback) { 59 super(activity); 60 mLastAccessed = lastAccessed; 61 mDocs = docs; 62 mStack = stack; 63 mMimeType = mimeType; 64 mDisplayName = displayName; 65 mInProgressStateListener = inProgressStateListener; 66 mCallback = callback; 67 } 68 69 @Override 70 protected void prepare() { 71 mInProgressStateListener.accept(true); 72 } 73 74 @Override 75 protected Uri run(Void... params) { 76 DocumentInfo cwd = mStack.peek(); 77 78 Uri childUri = mDocs.createDocument(cwd, mMimeType, mDisplayName); 79 80 if (childUri != null) { 81 mLastAccessed.setLastAccessed(mOwner, mStack); 82 } 83 84 return childUri; 85 } 86 87 @Override 88 protected void finish(Uri result) { 89 if (result != null) { 90 mCallback.accept(result); 91 } else { 92 Snackbars.makeSnackbar( 93 mOwner, R.string.save_error, Snackbar.LENGTH_SHORT).show(); 94 } 95 96 mInProgressStateListener.accept(false); 97 } 98} 99