1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
|
/*
* Copyright (C) 2014 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.systemui.statusbar;
import com.android.internal.app.IBatteryStats;
import com.android.keyguard.KeyguardUpdateMonitor;
import com.android.keyguard.KeyguardUpdateMonitorCallback;
import com.android.systemui.R;
import com.android.systemui.statusbar.phone.KeyguardIndicationTextView;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.graphics.Color;
import android.os.BatteryManager;
import android.os.BatteryStats;
import android.os.Handler;
import android.os.Message;
import android.os.RemoteException;
import android.os.ServiceManager;
import android.os.UserHandle;
import android.text.TextUtils;
import android.text.format.Formatter;
import android.util.Log;
import android.view.View;
/**
* Controls the little text indicator on the keyguard.
*/
public class KeyguardIndicationController {
private static final String TAG = "KeyguardIndicationController";
private static final int MSG_HIDE_TRANSIENT = 1;
private final Context mContext;
private final KeyguardIndicationTextView mTextView;
private final IBatteryStats mBatteryInfo;
private String mRestingIndication;
private String mTransientIndication;
private int mTransientTextColor;
private boolean mVisible;
private boolean mPowerPluggedIn;
private boolean mPowerCharged;
public KeyguardIndicationController(Context context, KeyguardIndicationTextView textView) {
mContext = context;
mTextView = textView;
mBatteryInfo = IBatteryStats.Stub.asInterface(
ServiceManager.getService(BatteryStats.SERVICE_NAME));
KeyguardUpdateMonitor.getInstance(context).registerCallback(mUpdateMonitor);
context.registerReceiverAsUser(
mReceiver, UserHandle.OWNER, new IntentFilter(Intent.ACTION_TIME_TICK), null, null);
}
public void setVisible(boolean visible) {
mVisible = visible;
mTextView.setVisibility(visible ? View.VISIBLE : View.GONE);
if (visible) {
hideTransientIndication();
updateIndication();
}
}
/**
* Sets the indication that is shown if nothing else is showing.
*/
public void setRestingIndication(String restingIndication) {
mRestingIndication = restingIndication;
updateIndication();
}
/**
* Hides transient indication in {@param delayMs}.
*/
public void hideTransientIndicationDelayed(long delayMs) {
mHandler.sendMessageDelayed(
mHandler.obtainMessage(MSG_HIDE_TRANSIENT), delayMs);
}
/**
* Shows {@param transientIndication} until it is hidden by {@link #hideTransientIndication}.
*/
public void showTransientIndication(int transientIndication) {
showTransientIndication(mContext.getResources().getString(transientIndication));
}
/**
* Shows {@param transientIndication} until it is hidden by {@link #hideTransientIndication}.
*/
public void showTransientIndication(String transientIndication) {
showTransientIndication(transientIndication, Color.WHITE);
}
/**
* Shows {@param transientIndication} until it is hidden by {@link #hideTransientIndication}.
*/
public void showTransientIndication(String transientIndication, int textColor) {
mTransientIndication = transientIndication;
mTransientTextColor = textColor;
mHandler.removeMessages(MSG_HIDE_TRANSIENT);
updateIndication();
}
/**
* Hides transient indication.
*/
public void hideTransientIndication() {
if (mTransientIndication != null) {
mTransientIndication = null;
mHandler.removeMessages(MSG_HIDE_TRANSIENT);
updateIndication();
}
}
private void updateIndication() {
if (mVisible) {
mTextView.switchIndication(computeIndication());
mTextView.setTextColor(computeColor());
}
}
private int computeColor() {
if (!TextUtils.isEmpty(mTransientIndication)) {
return mTransientTextColor;
}
return Color.WHITE;
}
private String computeIndication() {
if (!TextUtils.isEmpty(mTransientIndication)) {
return mTransientIndication;
}
if (mPowerPluggedIn) {
return computePowerIndication();
}
return mRestingIndication;
}
private String computePowerIndication() {
if (mPowerCharged) {
return mContext.getResources().getString(R.string.keyguard_charged);
}
// Try fetching charging time from battery stats.
try {
long chargingTimeRemaining = mBatteryInfo.computeChargeTimeRemaining();
if (chargingTimeRemaining > 0) {
String chargingTimeFormatted = Formatter.formatShortElapsedTimeRoundingUpToMinutes(
mContext, chargingTimeRemaining);
return mContext.getResources().getString(
R.string.keyguard_indication_charging_time, chargingTimeFormatted);
}
} catch (RemoteException e) {
Log.e(TAG, "Error calling IBatteryStats: ", e);
}
// Fall back to simple charging label.
return mContext.getResources().getString(R.string.keyguard_plugged_in);
}
KeyguardUpdateMonitorCallback mUpdateMonitor = new KeyguardUpdateMonitorCallback() {
@Override
public void onRefreshBatteryInfo(KeyguardUpdateMonitor.BatteryStatus status) {
boolean isChargingOrFull = status.status == BatteryManager.BATTERY_STATUS_CHARGING
|| status.status == BatteryManager.BATTERY_STATUS_FULL;
mPowerPluggedIn = status.isPluggedIn() && isChargingOrFull;
mPowerCharged = status.isCharged();
updateIndication();
}
};
BroadcastReceiver mReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
if (mVisible) {
updateIndication();
}
}
};
private final Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
if (msg.what == MSG_HIDE_TRANSIENT && mTransientIndication != null) {
mTransientIndication = null;
updateIndication();
}
}
};
}
|
