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.keyguard;
18 
19 import android.app.ActivityManager;
20 import android.app.AlarmManager;
21 import android.content.Context;
22 import android.content.res.Configuration;
23 import android.content.res.Resources;
24 import android.os.UserHandle;
25 import android.text.TextUtils;
26 import android.text.format.DateFormat;
27 import android.util.AttributeSet;
28 import android.util.Log;
29 import android.util.Slog;
30 import android.util.TypedValue;
31 import android.view.View;
32 import android.view.ViewGroup;
33 import android.widget.GridLayout;
34 import android.widget.TextClock;
35 import android.widget.TextView;
36 
37 import com.android.internal.util.ArrayUtils;
38 import com.android.internal.widget.LockPatternUtils;
39 import com.android.systemui.ChargingView;
40 import com.android.systemui.statusbar.policy.DateView;
41 
42 import java.util.Locale;
43 
44 public class KeyguardStatusView extends GridLayout {
45     private static final boolean DEBUG = KeyguardConstants.DEBUG;
46     private static final String TAG = "KeyguardStatusView";
47 
48     private final LockPatternUtils mLockPatternUtils;
49     private final AlarmManager mAlarmManager;
50 
51     private TextView mAlarmStatusView;
52     private DateView mDateView;
53     private TextClock mClockView;
54     private TextView mOwnerInfo;
55     private ViewGroup mClockContainer;
56     private ChargingView mBatteryDoze;
57 
58     private View[] mVisibleInDoze;
59     private boolean mPulsing;
60     private boolean mDark;
61 
62     private KeyguardUpdateMonitorCallback mInfoCallback = new KeyguardUpdateMonitorCallback() {
63 
64         @Override
65         public void onTimeChanged() {
66             refresh();
67         }
68 
69         @Override
70         public void onKeyguardVisibilityChanged(boolean showing) {
71             if (showing) {
72                 if (DEBUG) Slog.v(TAG, "refresh statusview showing:" + showing);
73                 refresh();
74                 updateOwnerInfo();
75             }
76         }
77 
78         @Override
79         public void onStartedWakingUp() {
80             setEnableMarquee(true);
81         }
82 
83         @Override
84         public void onFinishedGoingToSleep(int why) {
85             setEnableMarquee(false);
86         }
87 
88         @Override
89         public void onUserSwitchComplete(int userId) {
90             refresh();
91             updateOwnerInfo();
92         }
93     };
94 
KeyguardStatusView(Context context)95     public KeyguardStatusView(Context context) {
96         this(context, null, 0);
97     }
98 
KeyguardStatusView(Context context, AttributeSet attrs)99     public KeyguardStatusView(Context context, AttributeSet attrs) {
100         this(context, attrs, 0);
101     }
102 
KeyguardStatusView(Context context, AttributeSet attrs, int defStyle)103     public KeyguardStatusView(Context context, AttributeSet attrs, int defStyle) {
104         super(context, attrs, defStyle);
105         mAlarmManager = (AlarmManager) context.getSystemService(Context.ALARM_SERVICE);
106         mLockPatternUtils = new LockPatternUtils(getContext());
107     }
108 
setEnableMarquee(boolean enabled)109     private void setEnableMarquee(boolean enabled) {
110         if (DEBUG) Log.v(TAG, (enabled ? "Enable" : "Disable") + " transport text marquee");
111         if (mAlarmStatusView != null) mAlarmStatusView.setSelected(enabled);
112         if (mOwnerInfo != null) mOwnerInfo.setSelected(enabled);
113     }
114 
115     @Override
onFinishInflate()116     protected void onFinishInflate() {
117         super.onFinishInflate();
118         mClockContainer = findViewById(R.id.keyguard_clock_container);
119         mAlarmStatusView = findViewById(R.id.alarm_status);
120         mDateView = findViewById(R.id.date_view);
121         mClockView = findViewById(R.id.clock_view);
122         mClockView.setShowCurrentUserTime(true);
123         mClockView.setAccessibilityDelegate(new KeyguardClockAccessibilityDelegate(mContext));
124         mOwnerInfo = findViewById(R.id.owner_info);
125         mBatteryDoze = findViewById(R.id.battery_doze);
126         mVisibleInDoze = new View[]{mBatteryDoze, mClockView};
127 
128         boolean shouldMarquee = KeyguardUpdateMonitor.getInstance(mContext).isDeviceInteractive();
129         setEnableMarquee(shouldMarquee);
130         refresh();
131         updateOwnerInfo();
132 
133         // Disable elegant text height because our fancy colon makes the ymin value huge for no
134         // reason.
135         mClockView.setElegantTextHeight(false);
136     }
137 
138     @Override
onConfigurationChanged(Configuration newConfig)139     protected void onConfigurationChanged(Configuration newConfig) {
140         super.onConfigurationChanged(newConfig);
141         mClockView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
142                 getResources().getDimensionPixelSize(R.dimen.widget_big_font_size));
143         // Some layouts like burmese have a different margin for the clock
144         MarginLayoutParams layoutParams = (MarginLayoutParams) mClockView.getLayoutParams();
145         layoutParams.bottomMargin = getResources().getDimensionPixelSize(
146                 R.dimen.bottom_text_spacing_digital);
147         mClockView.setLayoutParams(layoutParams);
148         mDateView.setTextSize(TypedValue.COMPLEX_UNIT_PX,
149                 getResources().getDimensionPixelSize(R.dimen.widget_label_font_size));
150         if (mOwnerInfo != null) {
151             mOwnerInfo.setTextSize(TypedValue.COMPLEX_UNIT_PX,
152                     getResources().getDimensionPixelSize(R.dimen.widget_label_font_size));
153         }
154     }
155 
refreshTime()156     public void refreshTime() {
157         mDateView.setDatePattern(Patterns.dateViewSkel);
158 
159         mClockView.setFormat12Hour(Patterns.clockView12);
160         mClockView.setFormat24Hour(Patterns.clockView24);
161     }
162 
refresh()163     private void refresh() {
164         AlarmManager.AlarmClockInfo nextAlarm =
165                 mAlarmManager.getNextAlarmClock(UserHandle.USER_CURRENT);
166         Patterns.update(mContext, nextAlarm != null);
167 
168         refreshTime();
169         refreshAlarmStatus(nextAlarm);
170     }
171 
refreshAlarmStatus(AlarmManager.AlarmClockInfo nextAlarm)172     void refreshAlarmStatus(AlarmManager.AlarmClockInfo nextAlarm) {
173         if (nextAlarm != null) {
174             String alarm = formatNextAlarm(mContext, nextAlarm);
175             mAlarmStatusView.setText(alarm);
176             mAlarmStatusView.setContentDescription(
177                     getResources().getString(R.string.keyguard_accessibility_next_alarm, alarm));
178             mAlarmStatusView.setVisibility(View.VISIBLE);
179         } else {
180             mAlarmStatusView.setVisibility(View.GONE);
181         }
182     }
183 
getClockBottom()184     public int getClockBottom() {
185         return mClockView.getBottom() +
186                 ((MarginLayoutParams) mClockView.getLayoutParams()).bottomMargin;
187     }
188 
formatNextAlarm(Context context, AlarmManager.AlarmClockInfo info)189     public static String formatNextAlarm(Context context, AlarmManager.AlarmClockInfo info) {
190         if (info == null) {
191             return "";
192         }
193         String skeleton = DateFormat.is24HourFormat(context, ActivityManager.getCurrentUser())
194                 ? "EHm"
195                 : "Ehma";
196         String pattern = DateFormat.getBestDateTimePattern(Locale.getDefault(), skeleton);
197         return DateFormat.format(pattern, info.getTriggerTime()).toString();
198     }
199 
updateOwnerInfo()200     private void updateOwnerInfo() {
201         if (mOwnerInfo == null) return;
202         String ownerInfo = getOwnerInfo();
203         if (!TextUtils.isEmpty(ownerInfo)) {
204             mOwnerInfo.setVisibility(View.VISIBLE);
205             mOwnerInfo.setText(ownerInfo);
206         } else {
207             mOwnerInfo.setVisibility(View.GONE);
208         }
209     }
210 
211     @Override
onAttachedToWindow()212     protected void onAttachedToWindow() {
213         super.onAttachedToWindow();
214         KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mInfoCallback);
215     }
216 
217     @Override
onDetachedFromWindow()218     protected void onDetachedFromWindow() {
219         super.onDetachedFromWindow();
220         KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mInfoCallback);
221     }
222 
getOwnerInfo()223     private String getOwnerInfo() {
224         String info = null;
225         if (mLockPatternUtils.isDeviceOwnerInfoEnabled()) {
226             // Use the device owner information set by device policy client via
227             // device policy manager.
228             info = mLockPatternUtils.getDeviceOwnerInfo();
229         } else {
230             // Use the current user owner information if enabled.
231             final boolean ownerInfoEnabled = mLockPatternUtils.isOwnerInfoEnabled(
232                     KeyguardUpdateMonitor.getCurrentUser());
233             if (ownerInfoEnabled) {
234                 info = mLockPatternUtils.getOwnerInfo(KeyguardUpdateMonitor.getCurrentUser());
235             }
236         }
237         return info;
238     }
239 
240     @Override
hasOverlappingRendering()241     public boolean hasOverlappingRendering() {
242         return false;
243     }
244 
245     // DateFormat.getBestDateTimePattern is extremely expensive, and refresh is called often.
246     // This is an optimization to ensure we only recompute the patterns when the inputs change.
247     private static final class Patterns {
248         static String dateViewSkel;
249         static String clockView12;
250         static String clockView24;
251         static String cacheKey;
252 
update(Context context, boolean hasAlarm)253         static void update(Context context, boolean hasAlarm) {
254             final Locale locale = Locale.getDefault();
255             final Resources res = context.getResources();
256             dateViewSkel = res.getString(hasAlarm
257                     ? R.string.abbrev_wday_month_day_no_year_alarm
258                     : R.string.abbrev_wday_month_day_no_year);
259             final String clockView12Skel = res.getString(R.string.clock_12hr_format);
260             final String clockView24Skel = res.getString(R.string.clock_24hr_format);
261             final String key = locale.toString() + dateViewSkel + clockView12Skel + clockView24Skel;
262             if (key.equals(cacheKey)) return;
263 
264             clockView12 = DateFormat.getBestDateTimePattern(locale, clockView12Skel);
265             // CLDR insists on adding an AM/PM indicator even though it wasn't in the skeleton
266             // format.  The following code removes the AM/PM indicator if we didn't want it.
267             if (!clockView12Skel.contains("a")) {
268                 clockView12 = clockView12.replaceAll("a", "").trim();
269             }
270 
271             clockView24 = DateFormat.getBestDateTimePattern(locale, clockView24Skel);
272 
273             // Use fancy colon.
274             clockView24 = clockView24.replace(':', '\uee01');
275             clockView12 = clockView12.replace(':', '\uee01');
276 
277             cacheKey = key;
278         }
279     }
280 
setDark(boolean dark)281     public void setDark(boolean dark) {
282         if (mDark == dark) {
283             return;
284         }
285         mDark = dark;
286 
287         final int N = mClockContainer.getChildCount();
288         for (int i = 0; i < N; i++) {
289             View child = mClockContainer.getChildAt(i);
290             if (ArrayUtils.contains(mVisibleInDoze, child)) {
291                 continue;
292             }
293             child.setAlpha(dark ? 0 : 1);
294         }
295         updateDozeVisibleViews();
296         mBatteryDoze.setDark(dark);
297     }
298 
setPulsing(boolean pulsing)299     public void setPulsing(boolean pulsing) {
300         mPulsing = pulsing;
301         updateDozeVisibleViews();
302     }
303 
updateDozeVisibleViews()304     private void updateDozeVisibleViews() {
305         for (View child : mVisibleInDoze) {
306             child.setAlpha(mDark && mPulsing ? 0.8f : 1);
307         }
308     }
309 }
310