| /* |
| * Copyright (C) 2008 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.providers.settings; |
| |
| import android.backup.BackupDataInput; |
| import android.content.ContentResolver; |
| import android.content.Context; |
| import android.content.IContentService; |
| import android.location.LocationManager; |
| import android.media.AudioManager; |
| import android.os.IHardwareService; |
| import android.os.RemoteException; |
| import android.os.ServiceManager; |
| import android.provider.Settings; |
| import android.util.Log; |
| |
| public class SettingsHelper { |
| private static final String TAG = "SettingsHelper"; |
| |
| private Context mContext; |
| private AudioManager mAudioManager; |
| private IContentService mContentService; |
| private static final String[] PROVIDERS = { "gmail-ls", "calendar", "contacts" }; |
| |
| private boolean mSilent; |
| private boolean mVibrate; |
| |
| public SettingsHelper(Context context) { |
| mContext = context; |
| mAudioManager = (AudioManager) context |
| .getSystemService(Context.AUDIO_SERVICE); |
| mContentService = ContentResolver.getContentService(); |
| } |
| |
| /** |
| * Sets the property via a call to the appropriate API, if any, and returns |
| * whether or not the setting should be saved to the database as well. |
| * @param name the name of the setting |
| * @param value the string value of the setting |
| * @return whether to continue with writing the value to the database. In |
| * some cases the data will be written by the call to the appropriate API, |
| * and in some cases the property value needs to be modified before setting. |
| */ |
| public boolean restoreValue(String name, String value) { |
| if (Settings.System.SCREEN_BRIGHTNESS.equals(name)) { |
| setBrightness(Integer.parseInt(value)); |
| } else if (Settings.System.SOUND_EFFECTS_ENABLED.equals(name)) { |
| setSoundEffects(Integer.parseInt(value) == 1); |
| } else if (Settings.Secure.LOCATION_PROVIDERS_ALLOWED.equals(name)) { |
| setGpsLocation(value); |
| return false; |
| } |
| return true; |
| } |
| |
| private void setGpsLocation(String value) { |
| final String GPS = LocationManager.GPS_PROVIDER; |
| boolean enabled = |
| GPS.equals(value) || |
| value.startsWith(GPS + ",") || |
| value.endsWith("," + GPS) || |
| value.contains("," + GPS + ","); |
| Settings.Secure.setLocationProviderEnabled( |
| mContext.getContentResolver(), GPS, enabled); |
| } |
| |
| private void setSoundEffects(boolean enable) { |
| if (enable) { |
| mAudioManager.loadSoundEffects(); |
| } else { |
| mAudioManager.unloadSoundEffects(); |
| } |
| } |
| |
| private void setBrightness(int brightness) { |
| try { |
| IHardwareService hardware = IHardwareService.Stub |
| .asInterface(ServiceManager.getService("hardware")); |
| if (hardware != null) { |
| hardware.setBacklights(brightness); |
| } |
| } catch (RemoteException doe) { |
| |
| } |
| } |
| |
| private void setRingerMode() { |
| if (mSilent) { |
| mAudioManager.setRingerMode(mVibrate ? AudioManager.RINGER_MODE_VIBRATE : |
| AudioManager.RINGER_MODE_SILENT); |
| } else { |
| mAudioManager.setRingerMode(AudioManager.RINGER_MODE_NORMAL); |
| mAudioManager.setVibrateSetting(AudioManager.VIBRATE_TYPE_RINGER, |
| mVibrate ? AudioManager.VIBRATE_SETTING_ON |
| : AudioManager.VIBRATE_SETTING_OFF); |
| } |
| } |
| |
| /* TODO: Get a list of all sync providers and save/restore the settings */ |
| byte[] getSyncProviders() { |
| byte[] sync = new byte[1 + PROVIDERS.length]; |
| try { |
| sync[0] = (byte) (mContentService.getListenForNetworkTickles() ? 1 : 0); |
| for (int i = 0; i < PROVIDERS.length; i++) { |
| sync[i + 1] = (byte) |
| (mContentService.getSyncProviderAutomatically(PROVIDERS[i]) ? 1 : 0); |
| } |
| } catch (RemoteException re) { |
| Log.w(TAG, "Unable to backup sync providers"); |
| return sync; |
| } |
| return sync; |
| } |
| |
| void setSyncProviders(BackupDataInput backup) { |
| byte[] sync = new byte[backup.getDataSize()]; |
| |
| try { |
| backup.readEntityData(sync, 0, sync.length); |
| mContentService.setListenForNetworkTickles(sync[0] == 1); |
| for (int i = 0; i < PROVIDERS.length; i++) { |
| mContentService.setSyncProviderAutomatically(PROVIDERS[i], sync[i + 1] > 0); |
| } |
| } catch (RemoteException re) { |
| Log.w(TAG, "Unable to restore sync providers"); |
| } catch (java.io.IOException ioe) { |
| Log.w(TAG, "Unable to read sync settings"); |
| } |
| } |
| } |