1 /* 2 * Copyright (C) 2010 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.settings; 18 19 import com.android.settings.bluetooth.DockEventReceiver; 20 21 import android.app.AlertDialog; 22 import android.app.Dialog; 23 import android.bluetooth.BluetoothDevice; 24 import android.content.BroadcastReceiver; 25 import android.content.ContentResolver; 26 import android.content.Context; 27 import android.content.Intent; 28 import android.content.IntentFilter; 29 import android.os.Bundle; 30 import android.preference.CheckBoxPreference; 31 import android.preference.Preference; 32 import android.preference.PreferenceScreen; 33 import android.provider.Settings; 34 35 public class DockSettings extends SettingsPreferenceFragment { 36 37 private static final int DIALOG_NOT_DOCKED = 1; 38 private static final String KEY_AUDIO_SETTINGS = "dock_audio"; 39 private static final String KEY_DOCK_SOUNDS = "dock_sounds"; 40 private Preference mAudioSettings; 41 private CheckBoxPreference mDockSounds; 42 private Intent mDockIntent; 43 44 private BroadcastReceiver mReceiver = new BroadcastReceiver() { 45 @Override 46 public void onReceive(Context context, Intent intent) { 47 if (intent.getAction().equals(Intent.ACTION_DOCK_EVENT)) { 48 handleDockChange(intent); 49 } 50 } 51 }; 52 53 @Override onCreate(Bundle savedInstanceState)54 public void onCreate(Bundle savedInstanceState) { 55 super.onCreate(savedInstanceState); 56 addPreferencesFromResource(R.xml.dock_settings); 57 58 initDockSettings(); 59 } 60 61 @Override onResume()62 public void onResume() { 63 super.onResume(); 64 65 IntentFilter filter = new IntentFilter(Intent.ACTION_DOCK_EVENT); 66 getActivity().registerReceiver(mReceiver, filter); 67 } 68 69 @Override onPause()70 public void onPause() { 71 super.onPause(); 72 73 getActivity().unregisterReceiver(mReceiver); 74 } 75 initDockSettings()76 private void initDockSettings() { 77 ContentResolver resolver = getContentResolver(); 78 79 mAudioSettings = findPreference(KEY_AUDIO_SETTINGS); 80 if (mAudioSettings != null) { 81 mAudioSettings.setSummary(R.string.dock_audio_summary_none); 82 } 83 84 mDockSounds = (CheckBoxPreference) findPreference(KEY_DOCK_SOUNDS); 85 mDockSounds.setPersistent(false); 86 mDockSounds.setChecked(Settings.System.getInt(resolver, 87 Settings.System.DOCK_SOUNDS_ENABLED, 0) != 0); 88 } 89 handleDockChange(Intent intent)90 private void handleDockChange(Intent intent) { 91 if (mAudioSettings != null) { 92 int dockState = intent.getIntExtra(Intent.EXTRA_DOCK_STATE, 0); 93 94 boolean isBluetooth = intent.getParcelableExtra(BluetoothDevice.EXTRA_DEVICE) != null; 95 96 if (!isBluetooth) { 97 // No dock audio if not on Bluetooth. 98 mAudioSettings.setEnabled(false); 99 mAudioSettings.setSummary(R.string.dock_audio_summary_unknown); 100 } else { 101 mAudioSettings.setEnabled(true); 102 103 mDockIntent = intent; 104 int resId = R.string.dock_audio_summary_unknown; 105 switch (dockState) { 106 case Intent.EXTRA_DOCK_STATE_CAR: 107 resId = R.string.dock_audio_summary_car; 108 break; 109 case Intent.EXTRA_DOCK_STATE_DESK: 110 case Intent.EXTRA_DOCK_STATE_LE_DESK: 111 case Intent.EXTRA_DOCK_STATE_HE_DESK: 112 resId = R.string.dock_audio_summary_desk; 113 break; 114 case Intent.EXTRA_DOCK_STATE_UNDOCKED: 115 resId = R.string.dock_audio_summary_none; 116 } 117 mAudioSettings.setSummary(resId); 118 } 119 120 if (dockState != Intent.EXTRA_DOCK_STATE_UNDOCKED) { 121 // remove undocked dialog if currently showing. 122 try { 123 removeDialog(DIALOG_NOT_DOCKED); 124 } catch (IllegalArgumentException iae) { 125 // Maybe it was already dismissed 126 } 127 } 128 } 129 } 130 131 @Override onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference)132 public boolean onPreferenceTreeClick(PreferenceScreen preferenceScreen, Preference preference) { 133 if (preference == mAudioSettings) { 134 int dockState = mDockIntent != null 135 ? mDockIntent.getIntExtra(Intent.EXTRA_DOCK_STATE, 0) 136 : Intent.EXTRA_DOCK_STATE_UNDOCKED; 137 if (dockState == Intent.EXTRA_DOCK_STATE_UNDOCKED) { 138 showDialog(DIALOG_NOT_DOCKED); 139 } else { 140 Intent i = new Intent(mDockIntent); 141 i.setAction(DockEventReceiver.ACTION_DOCK_SHOW_UI); 142 i.setClass(getActivity(), DockEventReceiver.class); 143 getActivity().sendBroadcast(i); 144 } 145 } else if (preference == mDockSounds) { 146 Settings.System.putInt(getContentResolver(), Settings.System.DOCK_SOUNDS_ENABLED, 147 mDockSounds.isChecked() ? 1 : 0); 148 } 149 150 return true; 151 } 152 153 @Override onCreateDialog(int id)154 public Dialog onCreateDialog(int id) { 155 if (id == DIALOG_NOT_DOCKED) { 156 return createUndockedMessage(); 157 } 158 return null; 159 } 160 createUndockedMessage()161 private Dialog createUndockedMessage() { 162 final AlertDialog.Builder ab = new AlertDialog.Builder(getActivity()); 163 ab.setTitle(R.string.dock_not_found_title); 164 ab.setMessage(R.string.dock_not_found_text); 165 ab.setPositiveButton(android.R.string.ok, null); 166 return ab.create(); 167 } 168 } 169