1 /* 2 * Copyright (C) 2012 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.deskclock; 18 19 import android.app.AlarmManager; 20 import android.content.BroadcastReceiver; 21 import android.content.Context; 22 import android.content.Intent; 23 import android.content.IntentFilter; 24 import android.content.res.Configuration; 25 import android.database.ContentObserver; 26 import android.os.BatteryManager; 27 import android.os.Handler; 28 import android.provider.Settings; 29 import android.support.v7.app.AppCompatActivity; 30 import android.util.TypedValue; 31 import android.view.View; 32 import android.view.Window; 33 import android.view.WindowManager; 34 import android.widget.TextClock; 35 36 import com.android.deskclock.Utils.ScreensaverMoveSaverRunnable; 37 38 public class ScreensaverActivity extends AppCompatActivity { 39 static final boolean DEBUG = false; 40 static final String TAG = "DeskClock/ScreensaverActivity"; 41 42 private View mContentView, mSaverView; 43 private View mAnalogClock, mDigitalClock; 44 45 private final Handler mHandler = new Handler(); 46 private final ScreensaverMoveSaverRunnable mMoveSaverRunnable; 47 private String mDateFormat; 48 private String mDateFormatForAccessibility; 49 private boolean mPluggedIn = true; 50 private final int mFlags = (WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD 51 | WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED 52 | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON 53 | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON); 54 55 private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() { 56 @Override 57 public void onReceive(Context context, Intent intent) { 58 LogUtils.v(TAG, "ScreensaverActivity onReceive, action: " + intent.getAction()); 59 60 boolean changed = intent.getAction().equals(Intent.ACTION_TIME_CHANGED) 61 || intent.getAction().equals(Intent.ACTION_TIMEZONE_CHANGED); 62 if (intent.getAction().equals(Intent.ACTION_POWER_CONNECTED)) { 63 mPluggedIn = true; 64 setWakeLock(); 65 } else if (intent.getAction().equals(Intent.ACTION_POWER_DISCONNECTED)) { 66 mPluggedIn = false; 67 setWakeLock(); 68 } else if (intent.getAction().equals(Intent.ACTION_USER_PRESENT)) { 69 finish(); 70 } 71 72 if (changed) { 73 Utils.updateDate(mDateFormat, mDateFormatForAccessibility, mContentView); 74 Utils.refreshAlarm(ScreensaverActivity.this, mContentView); 75 Utils.setMidnightUpdater(mHandler, mMidnightUpdater); 76 } 77 78 if (intent.getAction().equals(AlarmManager.ACTION_NEXT_ALARM_CLOCK_CHANGED)) { 79 Utils.refreshAlarm(ScreensaverActivity.this, mContentView); 80 } 81 } 82 }; 83 84 /* Register ContentObserver to see alarm changes for pre-L */ 85 private final ContentObserver mSettingsContentObserver = Utils.isPreL() 86 ? new ContentObserver(mHandler) { 87 @Override 88 public void onChange(boolean selfChange) { 89 Utils.refreshAlarm(ScreensaverActivity.this, mContentView); 90 } 91 } 92 : null; 93 94 // Thread that runs every midnight and refreshes the date. 95 private final Runnable mMidnightUpdater = new Runnable() { 96 @Override 97 public void run() { 98 Utils.updateDate(mDateFormat, mDateFormatForAccessibility, mContentView); 99 Utils.setMidnightUpdater(mHandler, mMidnightUpdater); 100 } 101 }; 102 ScreensaverActivity()103 public ScreensaverActivity() { 104 LogUtils.d(TAG, "Screensaver allocated"); 105 mMoveSaverRunnable = new ScreensaverMoveSaverRunnable(mHandler); 106 } 107 108 @Override onStart()109 public void onStart() { 110 super.onStart(); 111 IntentFilter filter = new IntentFilter(); 112 filter.addAction(Intent.ACTION_POWER_CONNECTED); 113 filter.addAction(Intent.ACTION_POWER_DISCONNECTED); 114 filter.addAction(Intent.ACTION_USER_PRESENT); 115 filter.addAction(Intent.ACTION_TIME_CHANGED); 116 filter.addAction(Intent.ACTION_TIMEZONE_CHANGED); 117 registerReceiver(mIntentReceiver, filter); 118 if (Utils.isPreL()) { 119 getContentResolver().registerContentObserver( 120 Settings.System.getUriFor(Settings.System.NEXT_ALARM_FORMATTED), 121 false, 122 mSettingsContentObserver); 123 } 124 } 125 126 @Override onResume()127 public void onResume() { 128 super.onResume(); 129 Intent chargingIntent = 130 registerReceiver(null, new IntentFilter(Intent.ACTION_BATTERY_CHANGED)); 131 int plugged = chargingIntent.getIntExtra(BatteryManager.EXTRA_PLUGGED, -1); 132 mPluggedIn = plugged == BatteryManager.BATTERY_PLUGGED_AC 133 || plugged == BatteryManager.BATTERY_PLUGGED_USB 134 || plugged == BatteryManager.BATTERY_PLUGGED_WIRELESS; 135 136 mDateFormat = getString(R.string.abbrev_wday_month_day_no_year); 137 mDateFormatForAccessibility = getString(R.string.full_wday_month_day_no_year); 138 139 setWakeLock(); 140 layoutClockSaver(); 141 mHandler.post(mMoveSaverRunnable); 142 143 Utils.setMidnightUpdater(mHandler, mMidnightUpdater); 144 } 145 146 @Override onPause()147 public void onPause() { 148 mHandler.removeCallbacks(mMoveSaverRunnable); 149 Utils.cancelMidnightUpdater(mHandler, mMidnightUpdater); 150 super.onPause(); 151 } 152 153 @Override onStop()154 public void onStop() { 155 if (Utils.isPreL()) { 156 getContentResolver().unregisterContentObserver(mSettingsContentObserver); 157 } 158 unregisterReceiver(mIntentReceiver); 159 super.onStop(); 160 } 161 162 @Override onConfigurationChanged(Configuration newConfig)163 public void onConfigurationChanged(Configuration newConfig) { 164 LogUtils.d(TAG, "Screensaver configuration changed"); 165 super.onConfigurationChanged(newConfig); 166 mHandler.removeCallbacks(mMoveSaverRunnable); 167 layoutClockSaver(); 168 mHandler.postDelayed(mMoveSaverRunnable, Screensaver.ORIENTATION_CHANGE_DELAY_MS); 169 } 170 171 @Override onUserInteraction()172 public void onUserInteraction() { 173 // We want the screen saver to exit upon user interaction. 174 finish(); 175 } 176 setWakeLock()177 private void setWakeLock() { 178 Window win = getWindow(); 179 WindowManager.LayoutParams winParams = win.getAttributes(); 180 winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN; 181 if (mPluggedIn) 182 winParams.flags |= mFlags; 183 else 184 winParams.flags &= (~mFlags); 185 win.setAttributes(winParams); 186 } 187 setClockStyle()188 private void setClockStyle() { 189 Utils.setClockStyle(mDigitalClock, mAnalogClock); 190 mSaverView = findViewById(R.id.main_clock); 191 Utils.dimClockView(true, mSaverView); 192 } 193 layoutClockSaver()194 private void layoutClockSaver() { 195 setContentView(R.layout.desk_clock_saver); 196 mDigitalClock = findViewById(R.id.digital_clock); 197 mAnalogClock = findViewById(R.id.analog_clock); 198 setClockStyle(); 199 Utils.setTimeFormat(this, (TextClock) mDigitalClock); 200 201 mContentView = (View) mSaverView.getParent(); 202 mContentView.forceLayout(); 203 mSaverView.forceLayout(); 204 mSaverView.setAlpha(0); 205 206 mMoveSaverRunnable.registerViews(mContentView, mSaverView); 207 208 mContentView.setSystemUiVisibility(View.SYSTEM_UI_FLAG_LOW_PROFILE 209 | View.SYSTEM_UI_FLAG_FULLSCREEN 210 | View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN); 211 212 Utils.updateDate(mDateFormat, mDateFormatForAccessibility,mContentView); 213 Utils.refreshAlarm(ScreensaverActivity.this, mContentView); 214 } 215 }