1 /* 2 * Copyright (C) 2013 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; 18 19 import static com.android.documentsui.Shared.TAG; 20 21 import android.app.AlertDialog; 22 import android.app.Dialog; 23 import android.app.DialogFragment; 24 import android.app.FragmentManager; 25 import android.content.ContentProviderClient; 26 import android.content.ContentResolver; 27 import android.content.Context; 28 import android.content.DialogInterface; 29 import android.content.DialogInterface.OnClickListener; 30 import android.net.Uri; 31 import android.os.AsyncTask; 32 import android.os.Bundle; 33 import android.provider.DocumentsContract; 34 import android.provider.DocumentsContract.Document; 35 import android.support.annotation.Nullable; 36 import android.support.design.widget.Snackbar; 37 import android.util.Log; 38 import android.view.KeyEvent; 39 import android.view.inputmethod.EditorInfo; 40 import android.view.LayoutInflater; 41 import android.view.View; 42 import android.widget.EditText; 43 import android.widget.TextView; 44 import android.widget.TextView.OnEditorActionListener; 45 46 import com.android.documentsui.model.DocumentInfo; 47 48 /** 49 * Dialog to create a new directory. 50 */ 51 public class CreateDirectoryFragment extends DialogFragment { 52 private static final String TAG_CREATE_DIRECTORY = "create_directory"; 53 show(FragmentManager fm)54 public static void show(FragmentManager fm) { 55 final CreateDirectoryFragment dialog = new CreateDirectoryFragment(); 56 dialog.show(fm, TAG_CREATE_DIRECTORY); 57 } 58 59 @Override onCreateDialog(Bundle savedInstanceState)60 public Dialog onCreateDialog(Bundle savedInstanceState) { 61 final Context context = getActivity(); 62 final ContentResolver resolver = context.getContentResolver(); 63 64 final AlertDialog.Builder builder = new AlertDialog.Builder(context); 65 final LayoutInflater dialogInflater = LayoutInflater.from(builder.getContext()); 66 67 final View view = dialogInflater.inflate(R.layout.dialog_file_name, null, false); 68 final EditText editText = (EditText) view.findViewById(android.R.id.text1); 69 70 builder.setTitle(R.string.menu_create_dir); 71 builder.setView(view); 72 73 builder.setPositiveButton( 74 android.R.string.ok, 75 new OnClickListener() { 76 @Override 77 public void onClick(DialogInterface dialog, int which) { 78 createDirectory(editText.getText().toString()); 79 } 80 }); 81 82 builder.setNegativeButton(android.R.string.cancel, null); 83 final AlertDialog dialog = builder.create(); 84 85 // Workaround for the problem - virtual keyboard doesn't show on the phone. 86 Shared.ensureKeyboardPresent(context, dialog); 87 88 editText.setOnEditorActionListener( 89 new OnEditorActionListener() { 90 @Override 91 public boolean onEditorAction( 92 TextView view, int actionId, @Nullable KeyEvent event) { 93 if ((actionId == EditorInfo.IME_ACTION_DONE) || (event != null 94 && event.getKeyCode() == KeyEvent.KEYCODE_ENTER 95 && event.hasNoModifiers())) { 96 createDirectory(editText.getText().toString()); 97 dialog.dismiss(); 98 return true; 99 } 100 return false; 101 } 102 }); 103 104 105 return dialog; 106 } 107 createDirectory(String name)108 private void createDirectory(String name) { 109 final BaseActivity activity = (BaseActivity) getActivity(); 110 final DocumentInfo cwd = activity.getCurrentDirectory(); 111 112 new CreateDirectoryTask(activity, cwd, name).executeOnExecutor( 113 ProviderExecutor.forAuthority(cwd.authority)); 114 } 115 116 private class CreateDirectoryTask extends AsyncTask<Void, Void, DocumentInfo> { 117 private final BaseActivity mActivity; 118 private final DocumentInfo mCwd; 119 private final String mDisplayName; 120 CreateDirectoryTask( BaseActivity activity, DocumentInfo cwd, String displayName)121 public CreateDirectoryTask( 122 BaseActivity activity, DocumentInfo cwd, String displayName) { 123 mActivity = activity; 124 mCwd = cwd; 125 mDisplayName = displayName; 126 } 127 128 @Override onPreExecute()129 protected void onPreExecute() { 130 mActivity.setPending(true); 131 } 132 133 @Override doInBackground(Void... params)134 protected DocumentInfo doInBackground(Void... params) { 135 final ContentResolver resolver = mActivity.getContentResolver(); 136 ContentProviderClient client = null; 137 try { 138 client = DocumentsApplication.acquireUnstableProviderOrThrow( 139 resolver, mCwd.derivedUri.getAuthority()); 140 final Uri childUri = DocumentsContract.createDocument( 141 client, mCwd.derivedUri, Document.MIME_TYPE_DIR, mDisplayName); 142 return DocumentInfo.fromUri(resolver, childUri); 143 } catch (Exception e) { 144 Log.w(TAG, "Failed to create directory", e); 145 return null; 146 } finally { 147 ContentProviderClient.releaseQuietly(client); 148 } 149 } 150 151 @Override onPostExecute(DocumentInfo result)152 protected void onPostExecute(DocumentInfo result) { 153 if (result != null) { 154 // Navigate into newly created child 155 mActivity.onDirectoryCreated(result); 156 Metrics.logCreateDirOperation(getContext()); 157 } else { 158 Snackbars.makeSnackbar(mActivity, R.string.create_error, Snackbar.LENGTH_SHORT) 159 .show(); 160 Metrics.logCreateDirError(getContext()); 161 } 162 mActivity.setPending(false); 163 } 164 } 165 } 166