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.ContentValues; 22 import android.database.Cursor; 23 import android.media.AudioManager; 24 import android.os.Bundle; 25 import android.provider.MediaStore; 26 import android.text.Editable; 27 import android.text.TextWatcher; 28 import android.util.Log; 29 import android.view.View; 30 import android.view.Window; 31 import android.view.WindowManager; 32 import android.widget.Button; 33 import android.widget.EditText; 34 import android.widget.TextView; 35 import android.widget.Toast; 36 37 public class RenamePlaylist extends Activity 38 { 39 private EditText mPlaylist; 40 private TextView mPrompt; 41 private Button mSaveButton; 42 private long mRenameId; 43 private String mOriginalName; 44 45 @Override 46 public void onCreate(Bundle icicle) { 47 super.onCreate(icicle); 48 setVolumeControlStream(AudioManager.STREAM_MUSIC); 49 50 requestWindowFeature(Window.FEATURE_NO_TITLE); 51 setContentView(R.layout.create_playlist); 52 getWindow().setLayout(WindowManager.LayoutParams.MATCH_PARENT, 53 WindowManager.LayoutParams.WRAP_CONTENT); 54 55 mPrompt = (TextView)findViewById(R.id.prompt); 56 mPlaylist = (EditText)findViewById(R.id.playlist); 57 mSaveButton = (Button) findViewById(R.id.create); 58 mSaveButton.setOnClickListener(mOpenClicked); 59 60 ((Button)findViewById(R.id.cancel)).setOnClickListener(new View.OnClickListener() { 61 public void onClick(View v) { 62 finish(); 63 } 64 }); 65 66 mRenameId = icicle != null ? icicle.getLong("rename") 67 : getIntent().getLongExtra("rename", -1); 68 mOriginalName = nameForId(mRenameId); 69 String defaultname = icicle != null ? icicle.getString("defaultname") : mOriginalName; 70 71 if (mRenameId < 0 || mOriginalName == null || defaultname == null) { 72 Log.i("@@@@", "Rename failed: " + mRenameId + "/" + defaultname); 73 finish(); 74 return; 75 } 76 77 String promptformat; 78 if (mOriginalName.equals(defaultname)) { 79 promptformat = getString(R.string.rename_playlist_same_prompt); 80 } else { 81 promptformat = getString(R.string.rename_playlist_diff_prompt); 82 } 83 84 String prompt = String.format(promptformat, mOriginalName, defaultname); 85 mPrompt.setText(prompt); 86 mPlaylist.setText(defaultname); 87 mPlaylist.setSelection(defaultname.length()); 88 mPlaylist.addTextChangedListener(mTextWatcher); 89 setSaveButton(); 90 } 91 92 TextWatcher mTextWatcher = new TextWatcher() { 93 public void beforeTextChanged(CharSequence s, int start, int count, int after) { 94 // don't care about this one 95 } 96 public void onTextChanged(CharSequence s, int start, int before, int count) { 97 // check if playlist with current name exists already, and warn the user if so. 98 setSaveButton(); 99 }; 100 public void afterTextChanged(Editable s) { 101 // don't care about this one 102 } 103 }; 104 105 private void setSaveButton() { 106 String typedname = mPlaylist.getText().toString(); 107 if (typedname.trim().length() == 0) { 108 mSaveButton.setEnabled(false); 109 } else { 110 mSaveButton.setEnabled(true); 111 if (idForplaylist(typedname) >= 0 112 && ! mOriginalName.equals(typedname)) { 113 mSaveButton.setText(R.string.create_playlist_overwrite_text); 114 } else { 115 mSaveButton.setText(R.string.create_playlist_create_text); 116 } 117 } 118 119 } 120 121 private int idForplaylist(String name) { 122 Cursor c = MusicUtils.query(this, MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, 123 new String[] { MediaStore.Audio.Playlists._ID }, 124 MediaStore.Audio.Playlists.NAME + "=?", 125 new String[] { name }, 126 MediaStore.Audio.Playlists.NAME); 127 int id = -1; 128 if (c != null) { 129 c.moveToFirst(); 130 if (!c.isAfterLast()) { 131 id = c.getInt(0); 132 } 133 } 134 c.close(); 135 return id; 136 } 137 138 private String nameForId(long id) { 139 Cursor c = MusicUtils.query(this, MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, 140 new String[] { MediaStore.Audio.Playlists.NAME }, 141 MediaStore.Audio.Playlists._ID + "=?", 142 new String[] { Long.valueOf(id).toString() }, 143 MediaStore.Audio.Playlists.NAME); 144 String name = null; 145 if (c != null) { 146 c.moveToFirst(); 147 if (!c.isAfterLast()) { 148 name = c.getString(0); 149 } 150 } 151 c.close(); 152 return name; 153 } 154 155 156 @Override 157 public void onSaveInstanceState(Bundle outcicle) { 158 outcicle.putString("defaultname", mPlaylist.getText().toString()); 159 outcicle.putLong("rename", mRenameId); 160 } 161 162 @Override 163 public void onResume() { 164 super.onResume(); 165 } 166 167 private View.OnClickListener mOpenClicked = new View.OnClickListener() { 168 public void onClick(View v) { 169 String name = mPlaylist.getText().toString(); 170 if (name != null && name.length() > 0) { 171 ContentResolver resolver = getContentResolver(); 172 ContentValues values = new ContentValues(1); 173 values.put(MediaStore.Audio.Playlists.NAME, name); 174 resolver.update(MediaStore.Audio.Playlists.EXTERNAL_CONTENT_URI, 175 values, 176 MediaStore.Audio.Playlists._ID + "=?", 177 new String[] { Long.valueOf(mRenameId).toString()}); 178 179 setResult(RESULT_OK); 180 Toast.makeText(RenamePlaylist.this, R.string.playlist_renamed_message, Toast.LENGTH_SHORT).show(); 181 finish(); 182 } 183 } 184 }; 185 } 186