1/* 2 * Copyright (C) 2009 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.magicsmoke; 18 19import android.app.Activity; 20import android.app.WallpaperManager; 21import android.app.WallpaperInfo; 22import android.app.Dialog; 23import android.service.wallpaper.IWallpaperConnection; 24import android.service.wallpaper.IWallpaperService; 25import android.service.wallpaper.IWallpaperEngine; 26import android.service.wallpaper.WallpaperSettingsActivity; 27import android.content.ServiceConnection; 28import android.content.Intent; 29import android.content.Context; 30import android.content.ComponentName; 31import android.content.SharedPreferences; 32import android.content.SharedPreferences.Editor; 33import android.os.RemoteException; 34import android.os.IBinder; 35import android.os.ParcelFileDescriptor; 36import android.os.Bundle; 37import android.view.MotionEvent; 38import android.view.View; 39import android.view.WindowManager; 40import android.view.ViewGroup; 41import android.view.Window; 42import android.view.LayoutInflater; 43import android.util.Log; 44import android.widget.TextView; 45 46public class MagicSmokeSelector extends Activity { 47 48 private static final String LOG_TAG = "MagicSmokeSelector"; 49 50 private WallpaperManager mWallpaperManager; 51 private WallpaperConnection mWallpaperConnection; 52 53 private Intent mWallpaperIntent; 54 private SharedPreferences mSharedPref; 55 private int mCurrentPreset; 56 57 @Override 58 protected void onCreate(Bundle savedInstanceState) { 59 super.onCreate(savedInstanceState); 60 61 setContentView(R.layout.selector); 62 63 mWallpaperIntent = new Intent(this, MagicSmoke.class); 64 65 mWallpaperManager = WallpaperManager.getInstance(this); 66 mWallpaperConnection = new WallpaperConnection(mWallpaperIntent); 67 68 mSharedPref = getSharedPreferences("magicsmoke", Context.MODE_PRIVATE); 69 mCurrentPreset = mSharedPref.getInt("preset", MagicSmokeRS.DEFAULT_PRESET); 70 if (mCurrentPreset >= MagicSmokeRS.mPreset.length) { 71 mCurrentPreset = 0; 72 updatePrefs(); 73 } 74 } 75 76 // button hook 77 public void setLiveWallpaper(View v) { 78 finish(); 79 } 80 81 82 @Override 83 public void onResume() { 84 super.onResume(); 85 if (mWallpaperConnection != null && mWallpaperConnection.mEngine != null) { 86 try { 87 mWallpaperConnection.mEngine.setVisibility(true); 88 } catch (RemoteException e) { 89 // Ignore 90 } 91 } 92 } 93 94 @Override 95 public void onPause() { 96 super.onPause(); 97 if (mWallpaperConnection != null && mWallpaperConnection.mEngine != null) { 98 try { 99 mWallpaperConnection.mEngine.setVisibility(false); 100 } catch (RemoteException e) { 101 // Ignore 102 } 103 } 104 } 105 106 @Override 107 public void onAttachedToWindow() { 108 super.onAttachedToWindow(); 109 110 if (!mWallpaperConnection.connect()) { 111 mWallpaperConnection = null; 112 } 113 } 114 115 @Override 116 public void onDetachedFromWindow() { 117 super.onDetachedFromWindow(); 118 119 if (mWallpaperConnection != null) { 120 mWallpaperConnection.disconnect(); 121 } 122 mWallpaperConnection = null; 123 } 124 125 @Override 126 public boolean onTouchEvent(MotionEvent event) { 127 // TODO: make this conditional on preview mode. Right now we 128 // don't get touch events in preview mode. 129 switch(event.getAction()) { 130 case MotionEvent.ACTION_DOWN: 131 if (mCurrentPreset == 0) { 132 mCurrentPreset = MagicSmokeRS.mPreset.length - 1; 133 } else { 134 mCurrentPreset--; 135 } 136 updatePrefs(); 137 return true; 138 } 139 140 return super.onTouchEvent(event); 141 } 142 143 private void updatePrefs() { 144 145 Editor edit = mSharedPref.edit(); 146 edit.putInt("preset", mCurrentPreset); 147 edit.commit(); 148 149 } 150 151 class WallpaperConnection extends IWallpaperConnection.Stub implements ServiceConnection { 152 final Intent mIntent; 153 IWallpaperService mService; 154 IWallpaperEngine mEngine; 155 boolean mConnected; 156 157 WallpaperConnection(Intent intent) { 158 mIntent = intent; 159 } 160 161 public boolean connect() { 162 synchronized (this) { 163 if (!bindService(mIntent, this, Context.BIND_AUTO_CREATE)) { 164 return false; 165 } 166 167 mConnected = true; 168 return true; 169 } 170 } 171 172 public void disconnect() { 173 synchronized (this) { 174 mConnected = false; 175 if (mEngine != null) { 176 try { 177 mEngine.destroy(); 178 } catch (RemoteException e) { 179 // Ignore 180 } 181 mEngine = null; 182 } 183 unbindService(this); 184 mService = null; 185 } 186 } 187 188 public void onServiceConnected(ComponentName name, IBinder service) { 189 if (mWallpaperConnection == this) { 190 mService = IWallpaperService.Stub.asInterface(service); 191 try { 192 final View view = findViewById(R.id.backgroundview); 193 final View root = view.getRootView(); 194 mService.attach(this, view.getWindowToken(), 195 WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA_OVERLAY, 196 true, root.getWidth(), root.getHeight()); 197 } catch (RemoteException e) { 198 Log.w(LOG_TAG, "Failed attaching wallpaper; clearing", e); 199 } 200 } 201 } 202 203 public void onServiceDisconnected(ComponentName name) { 204 mService = null; 205 mEngine = null; 206 if (mWallpaperConnection == this) { 207 Log.w(LOG_TAG, "Wallpaper service gone: " + name); 208 } 209 } 210 211 public void attachEngine(IWallpaperEngine engine) { 212 synchronized (this) { 213 if (mConnected) { 214 mEngine = engine; 215 try { 216 engine.setVisibility(true); 217 } catch (RemoteException e) { 218 // Ignore 219 } 220 } else { 221 try { 222 engine.destroy(); 223 } catch (RemoteException e) { 224 // Ignore 225 } 226 } 227 } 228 } 229 230 public ParcelFileDescriptor setWallpaper(String name) { 231 return null; 232 } 233 } 234} 235