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.internal.policy.impl.keyguard;
18
19import android.content.Context;
20import android.content.res.Resources;
21import android.graphics.Typeface;
22import android.text.TextUtils;
23import android.text.format.DateFormat;
24import android.util.AttributeSet;
25import android.util.Slog;
26import android.view.View;
27import android.widget.GridLayout;
28import android.widget.TextView;
29
30import com.android.internal.R;
31import com.android.internal.widget.LockPatternUtils;
32
33import java.util.Date;
34
35public class KeyguardStatusView extends GridLayout {
36    private static final boolean DEBUG = KeyguardViewMediator.DEBUG;
37    private static final String TAG = "KeyguardStatusView";
38
39    public static final int LOCK_ICON = 0; // R.drawable.ic_lock_idle_lock;
40    public static final int ALARM_ICON = com.android.internal.R.drawable.ic_lock_idle_alarm;
41    public static final int CHARGING_ICON = 0; //R.drawable.ic_lock_idle_charging;
42    public static final int BATTERY_LOW_ICON = 0; //R.drawable.ic_lock_idle_low_battery;
43
44    private CharSequence mDateFormatString;
45    private LockPatternUtils mLockPatternUtils;
46
47    private TextView mDateView;
48    private TextView mAlarmStatusView;
49    private ClockView mClockView;
50
51    private KeyguardUpdateMonitorCallback mInfoCallback = new KeyguardUpdateMonitorCallback() {
52
53        @Override
54        public void onTimeChanged() {
55            refresh();
56        }
57
58        @Override
59        void onKeyguardVisibilityChanged(boolean showing) {
60            if (showing) {
61                if (DEBUG) Slog.v(TAG, "refresh statusview showing:" + showing);
62                refresh();
63            }
64        };
65    };
66
67    public KeyguardStatusView(Context context) {
68        this(context, null, 0);
69    }
70
71    public KeyguardStatusView(Context context, AttributeSet attrs) {
72        this(context, attrs, 0);
73    }
74
75    public KeyguardStatusView(Context context, AttributeSet attrs, int defStyle) {
76        super(context, attrs, defStyle);
77    }
78
79    @Override
80    protected void onFinishInflate() {
81        super.onFinishInflate();
82        Resources res = getContext().getResources();
83        mDateFormatString =
84                res.getText(com.android.internal.R.string.abbrev_wday_month_day_no_year);
85        mDateView = (TextView) findViewById(R.id.date);
86        mAlarmStatusView = (TextView) findViewById(R.id.alarm_status);
87        mClockView = (ClockView) findViewById(R.id.clock_view);
88        mLockPatternUtils = new LockPatternUtils(getContext());
89
90        // Use custom font in mDateView
91        mDateView.setTypeface(Typeface.SANS_SERIF, Typeface.BOLD);
92
93        // Required to get Marquee to work.
94        final View marqueeViews[] = { mDateView, mAlarmStatusView };
95        for (int i = 0; i < marqueeViews.length; i++) {
96            View v = marqueeViews[i];
97            if (v == null) {
98                throw new RuntimeException("Can't find widget at index " + i);
99            }
100            v.setSelected(true);
101        }
102        refresh();
103    }
104
105    protected void refresh() {
106        mClockView.updateTime();
107        refreshDate();
108        refreshAlarmStatus(); // might as well
109    }
110
111    void refreshAlarmStatus() {
112        // Update Alarm status
113        String nextAlarm = mLockPatternUtils.getNextAlarm();
114        if (!TextUtils.isEmpty(nextAlarm)) {
115            maybeSetUpperCaseText(mAlarmStatusView, nextAlarm);
116            mAlarmStatusView.setCompoundDrawablesWithIntrinsicBounds(ALARM_ICON, 0, 0, 0);
117            mAlarmStatusView.setVisibility(View.VISIBLE);
118        } else {
119            mAlarmStatusView.setVisibility(View.GONE);
120        }
121    }
122
123    void refreshDate() {
124        maybeSetUpperCaseText(mDateView, DateFormat.format(mDateFormatString, new Date()));
125    }
126
127    @Override
128    protected void onAttachedToWindow() {
129        super.onAttachedToWindow();
130        KeyguardUpdateMonitor.getInstance(mContext).registerCallback(mInfoCallback);
131    }
132
133    @Override
134    protected void onDetachedFromWindow() {
135        super.onDetachedFromWindow();
136        KeyguardUpdateMonitor.getInstance(mContext).removeCallback(mInfoCallback);
137    }
138
139    public int getAppWidgetId() {
140        return LockPatternUtils.ID_DEFAULT_STATUS_WIDGET;
141    }
142
143    private void maybeSetUpperCaseText(TextView textView, CharSequence text) {
144        if (KeyguardViewManager.USE_UPPER_CASE
145                && textView.getId() != R.id.owner_info) { // currently only required for date view
146            textView.setText(text != null ? text.toString().toUpperCase() : null);
147        } else {
148            textView.setText(text);
149        }
150    }
151}
152