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 17 package com.android.magicsmoke; 18 19 import android.app.Activity; 20 import android.app.WallpaperManager; 21 import android.app.WallpaperInfo; 22 import android.app.Dialog; 23 import android.service.wallpaper.IWallpaperConnection; 24 import android.service.wallpaper.IWallpaperService; 25 import android.service.wallpaper.IWallpaperEngine; 26 import android.service.wallpaper.WallpaperSettingsActivity; 27 import android.content.ServiceConnection; 28 import android.content.Intent; 29 import android.content.Context; 30 import android.content.ComponentName; 31 import android.content.SharedPreferences; 32 import android.content.SharedPreferences.Editor; 33 import android.os.RemoteException; 34 import android.os.IBinder; 35 import android.os.ParcelFileDescriptor; 36 import android.os.Bundle; 37 import android.view.MotionEvent; 38 import android.view.View; 39 import android.view.WindowManager; 40 import android.view.ViewGroup; 41 import android.view.Window; 42 import android.view.LayoutInflater; 43 import android.util.Log; 44 import android.widget.TextView; 45 46 public 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 Editor edit = mSharedPref.edit(); 145 edit.putInt("preset", mCurrentPreset); 146 edit.apply(); 147 } 148 149 class WallpaperConnection extends IWallpaperConnection.Stub implements ServiceConnection { 150 final Intent mIntent; 151 IWallpaperService mService; 152 IWallpaperEngine mEngine; 153 boolean mConnected; 154 155 WallpaperConnection(Intent intent) { 156 mIntent = intent; 157 } 158 159 public boolean connect() { 160 synchronized (this) { 161 if (!bindService(mIntent, this, Context.BIND_AUTO_CREATE)) { 162 return false; 163 } 164 165 mConnected = true; 166 return true; 167 } 168 } 169 170 public void disconnect() { 171 synchronized (this) { 172 mConnected = false; 173 if (mEngine != null) { 174 try { 175 mEngine.destroy(); 176 } catch (RemoteException e) { 177 // Ignore 178 } 179 mEngine = null; 180 } 181 unbindService(this); 182 mService = null; 183 } 184 } 185 186 public void onServiceConnected(ComponentName name, IBinder service) { 187 if (mWallpaperConnection == this) { 188 mService = IWallpaperService.Stub.asInterface(service); 189 try { 190 final View view = findViewById(R.id.backgroundview); 191 final View root = view.getRootView(); 192 mService.attach(this, view.getWindowToken(), 193 WindowManager.LayoutParams.TYPE_APPLICATION_MEDIA_OVERLAY, 194 true, root.getWidth(), root.getHeight()); 195 } catch (RemoteException e) { 196 Log.w(LOG_TAG, "Failed attaching wallpaper; clearing", e); 197 } 198 } 199 } 200 201 public void onServiceDisconnected(ComponentName name) { 202 mService = null; 203 mEngine = null; 204 if (mWallpaperConnection == this) { 205 Log.w(LOG_TAG, "Wallpaper service gone: " + name); 206 } 207 } 208 209 public void attachEngine(IWallpaperEngine engine) { 210 synchronized (this) { 211 if (mConnected) { 212 mEngine = engine; 213 try { 214 engine.setVisibility(true); 215 } catch (RemoteException e) { 216 // Ignore 217 } 218 } else { 219 try { 220 engine.destroy(); 221 } catch (RemoteException e) { 222 // Ignore 223 } 224 } 225 } 226 } 227 228 public ParcelFileDescriptor setWallpaper(String name) { 229 return null; 230 } 231 } 232 } 233
