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 17 package com.android.documentsui.picker; 18 19 import android.app.AlertDialog; 20 import android.app.Dialog; 21 import android.app.DialogFragment; 22 import android.app.Fragment; 23 import android.app.FragmentManager; 24 import android.app.FragmentTransaction; 25 import android.content.DialogInterface; 26 import android.os.Bundle; 27 28 import com.android.documentsui.R; 29 import com.android.documentsui.base.DocumentInfo; 30 import com.android.documentsui.base.Shared; 31 32 /** 33 * Used to confirm with user that it's OK to overwrite an existing file. 34 */ 35 public class OverwriteConfirmFragment extends DialogFragment { 36 37 private static final String TAG = "OverwriteConfirmFragment"; 38 39 private ActionHandler<PickActivity> mActions; 40 private DocumentInfo mOverwriteTarget; 41 42 @Override onActivityCreated(Bundle savedInstanceState)43 public void onActivityCreated(Bundle savedInstanceState) { 44 super.onActivityCreated(savedInstanceState); 45 46 mActions = ((PickActivity) getActivity()).getInjector().actions; 47 } 48 49 @Override onCreateDialog(Bundle savedInstanceState)50 public Dialog onCreateDialog(Bundle savedInstanceState) { 51 Bundle arg = (getArguments() != null) ? getArguments() : savedInstanceState; 52 53 mOverwriteTarget = arg.getParcelable(Shared.EXTRA_DOC); 54 55 final AlertDialog.Builder builder = new AlertDialog.Builder(getActivity()); 56 final String message = String.format( 57 getString(R.string.overwrite_file_confirmation_message), 58 mOverwriteTarget.displayName); 59 builder.setMessage(message); 60 builder.setPositiveButton( 61 android.R.string.ok, 62 (DialogInterface dialog, int id) -> 63 mActions.finishPicking(mOverwriteTarget.derivedUri)); 64 builder.setNegativeButton(android.R.string.cancel, null); 65 66 return builder.create(); 67 } 68 69 @Override onSaveInstanceState(Bundle outState)70 public void onSaveInstanceState(Bundle outState) { 71 super.onSaveInstanceState(outState); 72 73 outState.putParcelable(Shared.EXTRA_DOC, mOverwriteTarget); 74 } 75 show(FragmentManager fm, DocumentInfo overwriteTarget)76 public static void show(FragmentManager fm, DocumentInfo overwriteTarget) { 77 Bundle arg = new Bundle(); 78 arg.putParcelable(Shared.EXTRA_DOC, overwriteTarget); 79 80 FragmentTransaction ft = fm.beginTransaction(); 81 Fragment f = new OverwriteConfirmFragment(); 82 f.setArguments(arg); 83 ft.add(f, TAG); 84 ft.commitAllowingStateLoss(); 85 } 86 } 87