KeyguardStatusView.java revision b0da1e70ad8284f3ede2ffe650504152c7a49442 
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.content.res.Resources;
21import android.graphics.Typeface;
22import android.text.TextUtils;
23import android.util.AttributeSet;
24import android.util.Slog;
25import android.view.View;
26import android.widget.GridLayout;
27import android.widget.TextView;
28
29import com.android.internal.widget.LockPatternUtils;
30
31import java.text.SimpleDateFormat;
32import java.util.Date;
33import java.util.Locale;
34
35import libcore.icu.ICU;
36
37public class KeyguardStatusView extends GridLayout {
38    private static final boolean DEBUG = KeyguardViewMediator.DEBUG;
39    private static final String TAG = "KeyguardStatusView";
40
41    private LockPatternUtils mLockPatternUtils;
42
43    private TextView mAlarmStatusView;
44
45    private KeyguardUpdateMonitorCallback mInfoCallback = new KeyguardUpdateMonitorCallback() {
46
47        @Override
48        public void onTimeChanged() {
49            refresh();
50        }
51
52        @Override
53        void onKeyguardVisibilityChanged(boolean showing) {
54            if (showing) {
55                if (DEBUG) Slog.v(TAG, "refresh statusview showing:" + showing);
56                refresh();
57            }
58        };
59    };
60
61    public KeyguardStatusView(Context context) {
62        this(context, null, 0);
63    }
64
65    public KeyguardStatusView(Context context, AttributeSet attrs) {
66        this(context, attrs, 0);
67    }
68
69    public KeyguardStatusView(Context context, AttributeSet attrs, int defStyle) {
70        super(context, attrs, defStyle);
71    }
72
73    @Override
74    protected void onFinishInflate() {
75        super.onFinishInflate();
76
77        mAlarmStatusView = (TextView) findViewById(R.id.alarm_status);
78        mLockPatternUtils = new LockPatternUtils(getContext());
79
80        // Required to get Marquee to work.
81        final View marqueeViews[] = { mAlarmStatusView };
82        for (int i = 0; i < marqueeViews.length; i++) {
83            View v = marqueeViews[i];
84            if (v == null) {
85                throw new RuntimeException("Can't find widget at index " + i);
86            }
87            v.setSelected(true);
88        }
89        refresh();
90    }
91
92    protected void refresh() {
93        refreshAlarmStatus(); // might as well
94    }
95
96    void refreshAlarmStatus() {
97        // Update Alarm status
98        String nextAlarm = mLockPatternUtils.getNextAlarm();
99        if (!TextUtils.isEmpty(nextAlarm)) {
100            mAlarmStatusView.setText(nextAlarm);
101            mAlarmStatusView.setVisibility(View.VISIBLE);
102        } else {
103            mAlarmStatusView.setVisibility(View.GONE);
104        }
105    }
106
107    @Override
108    protected void onAttachedToWindow() {
109        super.onAttachedToWindow();
110        KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mInfoCallback);
111    }
112
113    @Override
114    protected void onDetachedFromWindow() {
115        super.onDetachedFromWindow();
116        KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mInfoCallback);
117    }
118
119    public int getAppWidgetId() {
120        return LockPatternUtils.ID_DEFAULT_STATUS_WIDGET;
121    }
122
123}
124