KeyguardStatusView.java revision 38ab277ad478b1c858a852ba900ec0cd85fe2d2d 
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
17package com.android.keyguard;
18
19import android.content.Context;
20import android.text.TextUtils;
21import android.text.format.DateFormat;
22import android.util.AttributeSet;
23import android.util.Log;
24import android.util.Slog;
25import android.view.View;
26import android.widget.GridLayout;
27import android.widget.TextClock;
28import android.widget.TextView;
29
30import com.android.internal.widget.LockPatternUtils;
31
32import java.util.Locale;
33
34public class KeyguardStatusView extends GridLayout {
35    private static final boolean DEBUG = KeyguardViewMediator.DEBUG;
36    private static final String TAG = "KeyguardStatusView";
37
38    private LockPatternUtils mLockPatternUtils;
39
40    private TextView mAlarmStatusView;
41    private TextClock mDateView;
42
43    private KeyguardUpdateMonitorCallback mInfoCallback = new KeyguardUpdateMonitorCallback() {
44
45        @Override
46        public void onTimeChanged() {
47            refresh();
48        }
49
50        @Override
51        void onKeyguardVisibilityChanged(boolean showing) {
52            if (showing) {
53                if (DEBUG) Slog.v(TAG, "refresh statusview showing:" + showing);
54                refresh();
55            }
56        };
57
58        @Override
59        public void onScreenTurnedOn() {
60            setEnableMarquee(true);
61        };
62
63        @Override
64        public void onScreenTurnedOff(int why) {
65            setEnableMarquee(false);
66        };
67    };
68
69    public KeyguardStatusView(Context context) {
70        this(context, null, 0);
71    }
72
73    public KeyguardStatusView(Context context, AttributeSet attrs) {
74        this(context, attrs, 0);
75    }
76
77    public KeyguardStatusView(Context context, AttributeSet attrs, int defStyle) {
78        super(context, attrs, defStyle);
79    }
80
81    private void setEnableMarquee(boolean enabled) {
82        if (DEBUG) Log.v(TAG, (enabled ? "Enable" : "Disable") + " transport text marquee");
83        if (mAlarmStatusView != null) mAlarmStatusView.setSelected(enabled);
84    }
85
86    @Override
87    protected void onFinishInflate() {
88        super.onFinishInflate();
89        mAlarmStatusView = (TextView) findViewById(R.id.alarm_status);
90        mDateView = (TextClock) findViewById(R.id.date_view);
91        mLockPatternUtils = new LockPatternUtils(getContext());
92        final boolean screenOn = KeyguardUpdateMonitor.getInstance(mContext).isScreenOn();
93        setEnableMarquee(screenOn);
94        refresh();
95    }
96
97    protected void refresh() {
98        final String fmt = DateFormat.getBestDateTimePattern(Locale.getDefault(),
99                mContext.getResources().getString(R.string.abbrev_wday_month_day_no_year));
100        mDateView.setFormat24Hour(fmt);
101        mDateView.setFormat12Hour(fmt);
102        refreshAlarmStatus();
103    }
104
105    void refreshAlarmStatus() {
106        // Update Alarm status
107        String nextAlarm = mLockPatternUtils.getNextAlarm();
108        if (!TextUtils.isEmpty(nextAlarm)) {
109            mAlarmStatusView.setText(nextAlarm);
110            mAlarmStatusView.setVisibility(View.VISIBLE);
111        } else {
112            mAlarmStatusView.setVisibility(View.GONE);
113        }
114    }
115
116    @Override
117    protected void onAttachedToWindow() {
118        super.onAttachedToWindow();
119        KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mInfoCallback);
120    }
121
122    @Override
123    protected void onDetachedFromWindow() {
124        super.onDetachedFromWindow();
125        KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mInfoCallback);
126    }
127
128    public int getAppWidgetId() {
129        return LockPatternUtils.ID_DEFAULT_STATUS_WIDGET;
130    }
131
132}
133