1 /* 2 * Copyright (C) 2008 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.music; 18 19 import android.app.Activity; 20 import android.content.ContentResolver; 21 import android.content.ContentUris; 22 import android.content.ContentValues; 23 import android.database.Cursor; 24 import android.media.AudioManager; 25 import android.net.Uri; 26 import android.os.Bundle; 27 import android.provider.MediaStore; 28 import android.text.Editable; 29 import android.text.TextWatcher; 30 import android.util.Log; 31 import android.view.KeyEvent; 32 import android.view.View; 33 import android.view.Window; 34 import android.view.WindowManager; 35 import android.widget.Button; 36 import android.widget.EditText; 37 import android.widget.TextView; 38 import android.widget.Toast; 39 40 public class RenamePlaylist extends Activity 41 { 42 private EditText mPlaylist; 43 private TextView mPrompt; 44 private Button mSaveButton; 45 private long mRenameId; 46 private String mOriginalName; 47 48 @Override onCreate(Bundle icicle)49 public void onCreate(Bundle icicle) { 50 super.onCreate(icicle); 51 setVolumeControlStream(AudioManager.STREAM_MUSIC); 52 53 requestWindowFeature(Window.FEATURE_NO_TITLE); 54 setContentView(R.layout.create_playlist); 55 getWindow().setLayout(WindowManager.LayoutParams.FILL_PARENT, 56 WindowManager.LayoutParams.WRAP_CONTENT); 57 58 mPrompt = (TextView)findViewById(R.id.prompt); 59 mPlaylist = (EditText)findViewById(R.id.playlist); 60 mSaveButton = (Button) findViewById(R.id.create); 61 mSaveButton.setOnClickListener(mOpenClicked); 62 63 ((Button)findViewById(R.id.cancel)).setOnClickListener(new View.OnClickListener() { 64 public void onClick(View v) { 65 finish(); 66 } 67 }); 68 69 mRenameId = icicle != null ? icicle.getLong("rename") 70 : getIntent().getLongExtra("rename", -1); 71 mOriginalName = nameForId(mRenameId); 72 String defaultname = icicle != null ? icicle.getString("defaultname") : mOriginalName; 73 74 if (mRenameId < 0 || mOriginalName == null || defaultname == null) { 75 Log.i("@@@@", "Rename failed: " + mRenameId + "/" + defaultname); 76 finish(); 77 return; 78 } 79 80 String promptformat; 81 if (mOriginalName.equals(defaultname)) { 82 promptformat = getString(R.string.rename_playlist_same_prompt); 83 } else { 84 promptformat = getString(R.string.rename_playlist_diff_prompt); 85 } 86 87 String prompt = String.format(promptformat, mOriginalName, defaultname); 88 mPrompt.setText(prompt); 89 mPlaylist.setText(defaultname); 90 mPlaylist.setSelection(defaultname.length()); 91 mPlaylist.addTextChangedListener(mTextWatcher); 92 setSaveButton(); 93 } 94 95 TextWatcher mTextWatcher = new TextWatcher() { 96 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 97 // don't care about this one 98 } 99 public void onTextChanged(CharSequence s, int start, int before, int count) { 100 // check if playlist with current name exists already, and warn the user if so. 101 setSaveButton(); 102 }; 103 public void afterTextChanged(Editable s) { 104 // don't care about this one 105 } 106 }; 107 setSaveButton()108 private void setSaveButton() { 109 String typedname = mPlaylist.getText().toString(); 110 if (idForplaylist(typedname) >= 0 111 && ! mOriginalName.equals(typedname)) { 112 mSaveButton.setText(R.string.create_playlist_overwrite_text); 113 } else { 114 mSaveButton.setText(R.string.create_playlist_create_text); 115 } 116 } 117 idForplaylist(String name)118 private int idForplaylist(String name) { 119 Cursor c = MusicUtils.query(this, MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, 120 new String[] { MediaStore.Audio.Playlists._ID }, 121 MediaStore.Audio.Playlists.NAME + "=?", 122 new String[] { name }, 123 MediaStore.Audio.Playlists.NAME); 124 int id = -1; 125 if (c != null) { 126 c.moveToFirst(); 127 if (!c.isAfterLast()) { 128 id = c.getInt(0); 129 } 130 } 131 c.close(); 132 return id; 133 } 134 nameForId(long id)135 private String nameForId(long id) { 136 Cursor c = MusicUtils.query(this, MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, 137 new String[] { MediaStore.Audio.Playlists.NAME }, 138 MediaStore.Audio.Playlists._ID + "=?", 139 new String[] { Long.valueOf(id).toString() }, 140 MediaStore.Audio.Playlists.NAME); 141 String name = null; 142 if (c != null) { 143 c.moveToFirst(); 144 if (!c.isAfterLast()) { 145 name = c.getString(0); 146 } 147 } 148 c.close(); 149 return name; 150 } 151 152 153 @Override onSaveInstanceState(Bundle outcicle)154 public void onSaveInstanceState(Bundle outcicle) { 155 outcicle.putString("defaultname", mPlaylist.getText().toString()); 156 outcicle.putLong("rename", mRenameId); 157 } 158 159 @Override onResume()160 public void onResume() { 161 super.onResume(); 162 } 163 164 private View.OnClickListener mOpenClicked = new View.OnClickListener() { 165 public void onClick(View v) { 166 String name = mPlaylist.getText().toString(); 167 if (name != null && name.length() > 0) { 168 ContentResolver resolver = getContentResolver(); 169 ContentValues values = new ContentValues(1); 170 values.put(MediaStore.Audio.Playlists.NAME, name); 171 resolver.update(MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, 172 values, 173 MediaStore.Audio.Playlists._ID + "=?", 174 new String[] { Long.valueOf(mRenameId).toString()}); 175 176 setResult(RESULT_OK); 177 Toast.makeText(RenamePlaylist.this, R.string.playlist_renamed_message, Toast.LENGTH_SHORT).show(); 178 finish(); 179 } 180 } 181 }; 182 } 183