/*
* Copyright (C) 2009 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.deskclock;
import static android.os.BatteryManager.BATTERY_STATUS_UNKNOWN;
import android.app.Activity;
import android.app.AlarmManager;
import android.app.PendingIntent;
import android.app.UiModeManager;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.content.res.Configuration;
import android.content.res.Resources;
import android.database.ContentObserver;
import android.database.Cursor;
import android.graphics.Rect;
import android.graphics.drawable.Drawable;
import android.net.Uri;
import android.os.BatteryManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore;
import android.provider.Settings;
import android.text.TextUtils;
import android.text.format.DateFormat;
import android.util.DisplayMetrics;
import android.util.Log;
import android.view.GestureDetector;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.MotionEvent;
import android.view.View;
import android.view.ViewGroup;
import android.view.ViewTreeObserver;
import android.view.Window;
import android.view.WindowManager;
import android.view.animation.AnimationUtils;
import android.widget.AbsoluteLayout;
import android.widget.ImageButton;
import android.widget.ImageView;
import android.widget.TextView;
import java.util.Calendar;
import java.util.Date;
import java.util.Random;
/**
* DeskClock clock view for desk docks.
*/
public class DeskClock extends Activity {
private static final boolean DEBUG = false;
private static final String LOG_TAG = "DeskClock";
// Alarm action for midnight (so we can update the date display).
private static final String ACTION_MIDNIGHT = "com.android.deskclock.MIDNIGHT";
// This controls whether or not we will show a battery display when plugged
// in.
private static final boolean USE_BATTERY_DISPLAY = false;
// Intent to broadcast for dock settings.
private static final String DOCK_SETTINGS_ACTION = "com.android.settings.DOCK_SETTINGS";
// Delay before engaging the burn-in protection mode (green-on-black).
private final long SCREEN_SAVER_TIMEOUT = 5 * 60 * 1000; // 5 min
// Repositioning delay in screen saver.
public static final long SCREEN_SAVER_MOVE_DELAY = 60 * 1000; // 1 min
// Color to use for text & graphics in screen saver mode.
private int SCREEN_SAVER_COLOR = 0xFF006688;
private int SCREEN_SAVER_COLOR_DIM = 0xFF001634;
// Opacity of black layer between clock display and wallpaper.
private final float DIM_BEHIND_AMOUNT_NORMAL = 0.4f;
private final float DIM_BEHIND_AMOUNT_DIMMED = 0.8f; // higher contrast when display dimmed
private final int SCREEN_SAVER_TIMEOUT_MSG = 0x2000;
private final int SCREEN_SAVER_MOVE_MSG = 0x2001;
// State variables follow.
private DigitalClock mTime;
private TextView mDate;
private TextView mNextAlarm = null;
private TextView mBatteryDisplay;
private boolean mDimmed = false;
private boolean mScreenSaverMode = false;
private String mDateFormat;
private int mBatteryLevel = -1;
private boolean mPluggedIn = false;
private boolean mLaunchedFromDock = false;
private Random mRNG;
private PendingIntent mMidnightIntent;
private final BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (DEBUG) Log.d(LOG_TAG, "mIntentReceiver.onReceive: action=" + action + ", intent=" + intent);
if (Intent.ACTION_DATE_CHANGED.equals(action) || ACTION_MIDNIGHT.equals(action)) {
refreshDate();
} else if (Intent.ACTION_BATTERY_CHANGED.equals(action)) {
handleBatteryUpdate(
intent.getIntExtra(BatteryManager.EXTRA_PLUGGED, 0),
intent.getIntExtra(BatteryManager.EXTRA_STATUS, BATTERY_STATUS_UNKNOWN),
intent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0));
} else if (UiModeManager.ACTION_EXIT_DESK_MODE.equals(action)) {
if (mLaunchedFromDock) {
// moveTaskToBack(false);
finish();
}
mLaunchedFromDock = false;
}
}
};
private final Handler mHandy = new Handler() {
@Override
public void handleMessage(Message m) {
if (m.what == SCREEN_SAVER_TIMEOUT_MSG) {
saveScreen();
} else if (m.what == SCREEN_SAVER_MOVE_MSG) {
moveScreenSaver();
}
}
};
private View mAlarmButton;
private void moveScreenSaver() {
moveScreenSaverTo(-1,-1);
}
private void moveScreenSaverTo(int x, int y) {
if (!mScreenSaverMode) return;
final View saver_view = findViewById(R.id.saver_view);
DisplayMetrics metrics = new DisplayMetrics();
getWindowManager().getDefaultDisplay().getMetrics(metrics);
if (x < 0 || y < 0) {
int myWidth = saver_view.getMeasuredWidth();
int myHeight = saver_view.getMeasuredHeight();
x = (int)(mRNG.nextFloat()*(metrics.widthPixels - myWidth));
y = (int)(mRNG.nextFloat()*(metrics.heightPixels - myHeight));
}
if (DEBUG) Log.d(LOG_TAG, String.format("screen saver: %d: jumping to (%d,%d)",
System.currentTimeMillis(), x, y));
saver_view.setLayoutParams(new AbsoluteLayout.LayoutParams(
ViewGroup.LayoutParams.WRAP_CONTENT,
ViewGroup.LayoutParams.WRAP_CONTENT,
x,
y));
// Synchronize our jumping so that it happens exactly on the second.
mHandy.sendEmptyMessageDelayed(SCREEN_SAVER_MOVE_MSG,
SCREEN_SAVER_MOVE_DELAY +
(1000 - (System.currentTimeMillis() % 1000)));
}
private void setWakeLock(boolean hold) {
if (DEBUG) Log.d(LOG_TAG, (hold ? "hold" : " releas") + "ing wake lock");
Window win = getWindow();
WindowManager.LayoutParams winParams = win.getAttributes();
winParams.flags |= (WindowManager.LayoutParams.FLAG_DISMISS_KEYGUARD
| WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED
| WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
| WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON);
if (hold)
winParams.flags |= WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;
else
winParams.flags &= (~WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
win.setAttributes(winParams);
}
private void scheduleScreenSaver() {
if (!getResources().getBoolean(R.bool.config_requiresScreenSaver)) {
return;
}
// reschedule screen saver
mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
mHandy.sendMessageDelayed(
Message.obtain(mHandy, SCREEN_SAVER_TIMEOUT_MSG),
SCREEN_SAVER_TIMEOUT);
}
private void restoreScreen() {
if (!mScreenSaverMode) return;
if (DEBUG) Log.d(LOG_TAG, "restoreScreen");
mScreenSaverMode = false;
initViews();
doDim(false); // restores previous dim mode
scheduleScreenSaver();
refreshAll();
}
// Special screen-saver mode for OLED displays that burn in quickly
private void saveScreen() {
if (mScreenSaverMode) return;
if (DEBUG) Log.d(LOG_TAG, "saveScreen");
// quickly stash away the x/y of the current date
final View oldTimeDate = findViewById(R.id.time_date);
int oldLoc[] = new int[2];
oldTimeDate.getLocationOnScreen(oldLoc);
mScreenSaverMode = true;
Window win = getWindow();
WindowManager.LayoutParams winParams = win.getAttributes();
winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
win.setAttributes(winParams);
// give up any internal focus before we switch layouts
final View focused = getCurrentFocus();
if (focused != null) focused.clearFocus();
setContentView(R.layout.desk_clock_saver);
mTime = (DigitalClock) findViewById(R.id.time);
mDate = (TextView) findViewById(R.id.date);
final int color = mDimmed ? SCREEN_SAVER_COLOR_DIM : SCREEN_SAVER_COLOR;
((AndroidClockTextView)findViewById(R.id.timeDisplay)).setTextColor(color);
((AndroidClockTextView)findViewById(R.id.am_pm)).setTextColor(color);
mDate.setTextColor(color);
mTime.setSystemUiVisibility(View.STATUS_BAR_HIDDEN);
mBatteryDisplay = null;
refreshDate();
refreshAlarm();
moveScreenSaverTo(oldLoc[0], oldLoc[1]);
}
@Override
public void onUserInteraction() {
if (mScreenSaverMode)
restoreScreen();
}
// Adapted from KeyguardUpdateMonitor.java
private void handleBatteryUpdate(int plugged, int status, int level) {
final boolean pluggedIn = (plugged != 0);
if (pluggedIn != mPluggedIn) {
setWakeLock(pluggedIn);
}
if (pluggedIn != mPluggedIn || level != mBatteryLevel) {
mBatteryLevel = level;
mPluggedIn = pluggedIn;
refreshBattery();
}
}
private void refreshBattery() {
// UX wants the battery level removed. This makes it not visible but
// allows it to be easily turned back on if they change their mind.
if (!USE_BATTERY_DISPLAY)
return;
if (mBatteryDisplay == null) return;
if (mPluggedIn /* || mBatteryLevel < LOW_BATTERY_THRESHOLD */) {
mBatteryDisplay.setCompoundDrawablesWithIntrinsicBounds(
0, 0, android.R.drawable.ic_lock_idle_charging, 0);
mBatteryDisplay.setText(
getString(R.string.battery_charging_level, mBatteryLevel));
mBatteryDisplay.setVisibility(View.VISIBLE);
} else {
mBatteryDisplay.setVisibility(View.INVISIBLE);
}
}
private void refreshDate() {
final Date now = new Date();
if (DEBUG) Log.d(LOG_TAG, "refreshing date..." + now);
mDate.setText(DateFormat.format(mDateFormat, now));
}
private void refreshAlarm() {
if (mNextAlarm == null) return;
String nextAlarm = Settings.System.getString(getContentResolver(),
Settings.System.NEXT_ALARM_FORMATTED);
if (!TextUtils.isEmpty(nextAlarm)) {
mNextAlarm.setText(getString(R.string.control_set_alarm_with_existing, nextAlarm));
mNextAlarm.setVisibility(View.VISIBLE);
} else if (mAlarmButton != null) {
mNextAlarm.setVisibility(View.INVISIBLE);
} else {
mNextAlarm.setText(R.string.control_set_alarm);
mNextAlarm.setVisibility(View.VISIBLE);
}
}
private void refreshAll() {
refreshDate();
refreshAlarm();
refreshBattery();
}
private void doDim(boolean fade) {
View tintView = findViewById(R.id.window_tint);
if (tintView == null) return;
mTime.setSystemUiVisibility(mDimmed ? View.SYSTEM_UI_FLAG_LOW_PROFILE
: View.SYSTEM_UI_FLAG_VISIBLE);
Window win = getWindow();
WindowManager.LayoutParams winParams = win.getAttributes();
winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN);
winParams.flags |= (WindowManager.LayoutParams.FLAG_LAYOUT_NO_LIMITS);
// dim the wallpaper somewhat (how much is determined below)
winParams.flags |= (WindowManager.LayoutParams.FLAG_DIM_BEHIND);
if (mDimmed) {
winParams.flags |= WindowManager.LayoutParams.FLAG_FULLSCREEN;
winParams.dimAmount = DIM_BEHIND_AMOUNT_DIMMED;
winParams.buttonBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_OFF;
// show the window tint
tintView.startAnimation(AnimationUtils.loadAnimation(this,
fade ? R.anim.dim
: R.anim.dim_instant));
} else {
winParams.flags &= (~WindowManager.LayoutParams.FLAG_FULLSCREEN);
winParams.dimAmount = DIM_BEHIND_AMOUNT_NORMAL;
winParams.buttonBrightness = WindowManager.LayoutParams.BRIGHTNESS_OVERRIDE_NONE;
// hide the window tint
tintView.startAnimation(AnimationUtils.loadAnimation(this,
fade ? R.anim.undim
: R.anim.undim_instant));
}
win.setAttributes(winParams);
}
@Override
public void onNewIntent(Intent newIntent) {
super.onNewIntent(newIntent);
if (DEBUG) Log.d(LOG_TAG, "onNewIntent with intent: " + newIntent);
// update our intent so that we can consult it to determine whether or
// not the most recent launch was via a dock event
setIntent(newIntent);
}
@Override
public void onStart() {
super.onStart();
SCREEN_SAVER_COLOR = getResources().getColor(R.color.screen_saver_color);
SCREEN_SAVER_COLOR_DIM = getResources().getColor(R.color.screen_saver_dim_color);
IntentFilter filter = new IntentFilter();
filter.addAction(Intent.ACTION_DATE_CHANGED);
filter.addAction(Intent.ACTION_BATTERY_CHANGED);
filter.addAction(UiModeManager.ACTION_EXIT_DESK_MODE);
filter.addAction(ACTION_MIDNIGHT);
registerReceiver(mIntentReceiver, filter);
}
@Override
public void onStop() {
super.onStop();
unregisterReceiver(mIntentReceiver);
}
@Override
public void onResume() {
super.onResume();
if (DEBUG) Log.d(LOG_TAG, "onResume with intent: " + getIntent());
// reload the date format in case the user has changed settings
// recently
mDateFormat = getString(R.string.full_wday_month_day_no_year);
// Elaborate mechanism to find out when the day rolls over
Calendar today = Calendar.getInstance();
today.set(Calendar.HOUR_OF_DAY, 0);
today.set(Calendar.MINUTE, 0);
today.set(Calendar.SECOND, 0);
today.add(Calendar.DATE, 1);
long alarmTimeUTC = today.getTimeInMillis();
mMidnightIntent = PendingIntent.getBroadcast(this, 0, new Intent(ACTION_MIDNIGHT), 0);
AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
am.setRepeating(AlarmManager.RTC, alarmTimeUTC, AlarmManager.INTERVAL_DAY, mMidnightIntent);
if (DEBUG) Log.d(LOG_TAG, "set repeating midnight event at UTC: "
+ alarmTimeUTC + " ("
+ (alarmTimeUTC - System.currentTimeMillis())
+ " ms from now) repeating every "
+ AlarmManager.INTERVAL_DAY + " with intent: " + mMidnightIntent);
// If we weren't previously visible but now we are, it's because we're
// being started from another activity. So it's OK to un-dim.
if (mTime != null && mTime.getWindowVisibility() != View.VISIBLE) {
mDimmed = false;
}
// Adjust the display to reflect the currently chosen dim mode.
doDim(false);
restoreScreen(); // disable screen saver
refreshAll(); // will schedule periodic weather fetch
setWakeLock(mPluggedIn);
scheduleScreenSaver();
final boolean launchedFromDock
= getIntent().hasCategory(Intent.CATEGORY_DESK_DOCK);
mLaunchedFromDock = launchedFromDock;
}
@Override
public void onPause() {
if (DEBUG) Log.d(LOG_TAG, "onPause");
// Turn off the screen saver and cancel any pending timeouts.
// (But don't un-dim.)
mHandy.removeMessages(SCREEN_SAVER_TIMEOUT_MSG);
restoreScreen();
AlarmManager am = (AlarmManager) getSystemService(Context.ALARM_SERVICE);
am.cancel(mMidnightIntent);
super.onPause();
}
private void initViews() {
// give up any internal focus before we switch layouts
final View focused = getCurrentFocus();
if (focused != null) focused.clearFocus();
setContentView(R.layout.desk_clock);
mTime = (DigitalClock) findViewById(R.id.time);
mDate = (TextView) findViewById(R.id.date);
mBatteryDisplay = (TextView) findViewById(R.id.battery);
mTime.setSystemUiVisibility(View.STATUS_BAR_VISIBLE);
mTime.getRootView().requestFocus();
final View.OnClickListener alarmClickListener = new View.OnClickListener() {
@Override
public void onClick(View v) {
mDimmed = false;
doDim(true);
startActivity(new Intent(DeskClock.this, AlarmClock.class));
}
};
mNextAlarm = (TextView) findViewById(R.id.nextAlarm);
mNextAlarm.setOnClickListener(alarmClickListener);
mAlarmButton = findViewById(R.id.alarm_button);
View alarmControl = mAlarmButton != null ? mAlarmButton : findViewById(R.id.nextAlarm);
alarmControl.setOnClickListener(alarmClickListener);
View touchView = findViewById(R.id.window_touch);
touchView.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// If the screen saver is on let onUserInteraction handle it
if (!mScreenSaverMode) {
mDimmed = !mDimmed;
doDim(true);
}
}
});
touchView.setOnLongClickListener(new View.OnLongClickListener() {
@Override
public boolean onLongClick(View v) {
saveScreen();
return true;
}
});
}
@Override
public void onConfigurationChanged(Configuration newConfig) {
super.onConfigurationChanged(newConfig);
if (mScreenSaverMode) {
moveScreenSaver();
} else {
initViews();
doDim(false);
refreshAll();
}
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case R.id.menu_item_dock_settings:
startActivity(new Intent(DOCK_SETTINGS_ACTION));
return true;
default:
return false;
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
MenuInflater inflater = getMenuInflater();
inflater.inflate(R.menu.desk_clock_menu, menu);
return true;
}
@Override
public boolean onPrepareOptionsMenu(Menu menu) {
// Only show the "Dock settings" menu item if the device supports it.
boolean isDockSupported =
(getPackageManager().resolveActivity(new Intent(DOCK_SETTINGS_ACTION), 0) != null);
menu.findItem(R.id.menu_item_dock_settings).setVisible(isDockSupported);
return super.onPrepareOptionsMenu(menu);
}
@Override
protected void onCreate(Bundle icicle) {
super.onCreate(icicle);
mRNG = new Random();
initViews();
}
}