1/* 2 * Copyright (C) 2011 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.deskclock; 18 19import android.app.AlarmManager; 20import android.content.BroadcastReceiver; 21import android.content.Context; 22import android.content.Intent; 23import android.content.IntentFilter; 24import android.content.res.Configuration; 25import android.os.Handler; 26import android.preference.PreferenceManager; 27import android.service.dreams.DreamService; 28import android.util.Log; 29import android.view.View; 30import android.widget.TextClock; 31 32import com.android.deskclock.Utils.ScreensaverMoveSaverRunnable; 33 34public class Screensaver extends DreamService { 35 static final boolean DEBUG = false; 36 static final String TAG = "DeskClock/Screensaver"; 37 38 private View mContentView, mSaverView; 39 private View mAnalogClock, mDigitalClock; 40 private String mDateFormat; 41 private String mDateFormatForAccessibility; 42 43 private final Handler mHandler = new Handler(); 44 45 private final ScreensaverMoveSaverRunnable mMoveSaverRunnable; 46 47 // Thread that runs every midnight and refreshes the date. 48 private final Runnable mMidnightUpdater = new Runnable() { 49 @Override 50 public void run() { 51 Utils.updateDate(mDateFormat, mDateFormatForAccessibility, mContentView); 52 Utils.setMidnightUpdater(mHandler, mMidnightUpdater); 53 } 54 }; 55 56 /** 57 * Receiver to handle time reference changes. 58 */ 59 private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { 60 @Override 61 public void onReceive(Context context, Intent intent) { 62 final String action = intent.getAction(); 63 if (DEBUG) Log.v(TAG, "Screensaver onReceive, action: " + action); 64 65 if (action == null) { 66 return; 67 } 68 69 if (action.equals(Intent.ACTION_TIME_CHANGED) 70 || action.equals(Intent.ACTION_TIMEZONE_CHANGED)) { 71 Utils.updateDate(mDateFormat, mDateFormatForAccessibility, mContentView); 72 Utils.refreshAlarm(Screensaver.this, mContentView); 73 Utils.setMidnightUpdater(mHandler, mMidnightUpdater); 74 } else if (action.equals(AlarmManager.ACTION_NEXT_ALARM_CLOCK_CHANGED)) { 75 Utils.refreshAlarm(Screensaver.this, mContentView); 76 } 77 } 78 }; 79 80 public Screensaver() { 81 if (DEBUG) Log.d(TAG, "Screensaver allocated"); 82 mMoveSaverRunnable = new ScreensaverMoveSaverRunnable(mHandler); 83 } 84 85 @Override 86 public void onCreate() { 87 if (DEBUG) Log.d(TAG, "Screensaver created"); 88 super.onCreate(); 89 90 setTheme(R.style.DeskClockParentTheme); 91 92 mDateFormat = getString(R.string.abbrev_wday_month_day_no_year); 93 mDateFormatForAccessibility = getString(R.string.full_wday_month_day_no_year); 94 } 95 96 @Override 97 public void onConfigurationChanged(Configuration newConfig) { 98 if (DEBUG) Log.d(TAG, "Screensaver configuration changed"); 99 super.onConfigurationChanged(newConfig); 100 mHandler.removeCallbacks(mMoveSaverRunnable); 101 layoutClockSaver(); 102 mHandler.post(mMoveSaverRunnable); 103 } 104 105 @Override 106 public void onAttachedToWindow() { 107 if (DEBUG) Log.d(TAG, "Screensaver attached to window"); 108 super.onAttachedToWindow(); 109 110 // We want the screen saver to exit upon user interaction. 111 setInteractive(false); 112 113 setFullscreen(true); 114 115 layoutClockSaver(); 116 117 // Setup handlers for time reference changes and date updates. 118 IntentFilter filter = new IntentFilter(); 119 filter.addAction(Intent.ACTION_TIME_CHANGED); 120 filter.addAction(Intent.ACTION_TIMEZONE_CHANGED); 121 registerReceiver(mIntentReceiver, filter); 122 Utils.setMidnightUpdater(mHandler, mMidnightUpdater); 123 124 mHandler.post(mMoveSaverRunnable); 125 } 126 127 @Override 128 public void onDetachedFromWindow() { 129 if (DEBUG) Log.d(TAG, "Screensaver detached from window"); 130 super.onDetachedFromWindow(); 131 132 mHandler.removeCallbacks(mMoveSaverRunnable); 133 134 // Tear down handlers for time reference changes and date updates. 135 Utils.cancelMidnightUpdater(mHandler, mMidnightUpdater); 136 unregisterReceiver(mIntentReceiver); 137 } 138 139 private void setClockStyle() { 140 Utils.setClockStyle(this, mDigitalClock, mAnalogClock, 141 ScreensaverSettingsActivity.KEY_CLOCK_STYLE); 142 mSaverView = findViewById(R.id.main_clock); 143 boolean dimNightMode = PreferenceManager.getDefaultSharedPreferences(this) 144 .getBoolean(ScreensaverSettingsActivity.KEY_NIGHT_MODE, false); 145 Utils.dimClockView(dimNightMode, mSaverView); 146 setScreenBright(!dimNightMode); 147 } 148 149 private void layoutClockSaver() { 150 setContentView(R.layout.desk_clock_saver); 151 mDigitalClock = findViewById(R.id.digital_clock); 152 mAnalogClock =findViewById(R.id.analog_clock); 153 setClockStyle(); 154 Utils.setTimeFormat((TextClock)mDigitalClock, 155 (int)getResources().getDimension(R.dimen.main_ampm_font_size)); 156 157 mContentView = (View) mSaverView.getParent(); 158 mSaverView.setAlpha(0); 159 160 mMoveSaverRunnable.registerViews(mContentView, mSaverView); 161 162 Utils.updateDate(mDateFormat, mDateFormatForAccessibility, mContentView); 163 Utils.refreshAlarm(Screensaver.this, mContentView); 164 } 165} 166