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