void setStats(BatteryStats stats) {
mStats = stats;
long uSecTime =
mStats.computeBatteryRealtime(
SystemClock.elapsedRealtime() * 1000, BatteryStats.STATS_SINCE_CHARGED);
mStatsPeriod = uSecTime;
String durationString = Utils.formatElapsedTime(getContext(), mStatsPeriod / 1000);
mDurationString = getContext().getString(R.string.battery_stats_on_battery, durationString);
mChargingLabel = getContext().getString(R.string.battery_stats_charging_label);
mScreenOnLabel = getContext().getString(R.string.battery_stats_screen_on_label);
mGpsOnLabel = getContext().getString(R.string.battery_stats_gps_on_label);
mWifiRunningLabel = getContext().getString(R.string.battery_stats_wifi_running_label);
mWakeLockLabel = getContext().getString(R.string.battery_stats_wake_lock_label);
mPhoneSignalLabel = getContext().getString(R.string.battery_stats_phone_signal_label);
int pos = 0;
int lastInteresting = 0;
byte lastLevel = -1;
mBatLow = 0;
mBatHigh = 100;
int aggrStates = 0;
boolean first = true;
if (stats.startIteratingHistoryLocked()) {
final HistoryItem rec = new HistoryItem();
while (stats.getNextHistoryLocked(rec)) {
pos++;
if (rec.cmd == HistoryItem.CMD_UPDATE) {
if (first) {
first = false;
mHistStart = rec.time;
}
if (rec.batteryLevel != lastLevel || pos == 1) {
lastLevel = rec.batteryLevel;
lastInteresting = pos;
mHistEnd = rec.time;
}
aggrStates |= rec.states;
}
}
}
mNumHist = lastInteresting;
mHaveGps = (aggrStates & HistoryItem.STATE_GPS_ON_FLAG) != 0;
mHaveWifi = (aggrStates & HistoryItem.STATE_WIFI_RUNNING_FLAG) != 0;
if (mHistEnd <= mHistStart) mHistEnd = mHistStart + 1;
mTotalDurationString = Utils.formatElapsedTime(getContext(), mHistEnd - mHistStart);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
super.onSizeChanged(w, h, oldw, oldh);
int textHeight = mTextDescent - mTextAscent;
mThinLineWidth =
(int)
TypedValue.applyDimension(
TypedValue.COMPLEX_UNIT_DIP, 2, getResources().getDisplayMetrics());
if (h > (textHeight * 6)) {
mLargeMode = true;
mLineWidth = textHeight / 2;
mLevelTop = textHeight + mLineWidth;
mScreenOnPaint.setARGB(255, 32, 64, 255);
mGpsOnPaint.setARGB(255, 32, 64, 255);
mWifiRunningPaint.setARGB(255, 32, 64, 255);
mWakeLockPaint.setARGB(255, 32, 64, 255);
} else {
mLargeMode = false;
mLineWidth = mThinLineWidth;
mLevelTop = 0;
mScreenOnPaint.setARGB(255, 0, 0, 255);
mGpsOnPaint.setARGB(255, 0, 0, 255);
mWifiRunningPaint.setARGB(255, 0, 0, 255);
mWakeLockPaint.setARGB(255, 0, 0, 255);
}
if (mLineWidth <= 0) mLineWidth = 1;
mTextPaint.setStrokeWidth(mThinLineWidth);
mBatteryGoodPaint.setStrokeWidth(mThinLineWidth);
mBatteryWarnPaint.setStrokeWidth(mThinLineWidth);
mBatteryCriticalPaint.setStrokeWidth(mThinLineWidth);
mChargingPaint.setStrokeWidth(mLineWidth);
mScreenOnPaint.setStrokeWidth(mLineWidth);
mGpsOnPaint.setStrokeWidth(mLineWidth);
mWifiRunningPaint.setStrokeWidth(mLineWidth);
mWakeLockPaint.setStrokeWidth(mLineWidth);
if (mLargeMode) {
int barOffset = textHeight + mLineWidth;
mChargingOffset = mLineWidth;
mScreenOnOffset = mChargingOffset + barOffset;
mWakeLockOffset = mScreenOnOffset + barOffset;
mWifiRunningOffset = mWakeLockOffset + barOffset;
mGpsOnOffset = mWifiRunningOffset + (mHaveWifi ? barOffset : 0);
mPhoneSignalOffset = mGpsOnOffset + (mHaveGps ? barOffset : 0);
mLevelOffset = mPhoneSignalOffset + barOffset + mLineWidth;
mPhoneSignalChart.init(w);
} else {
mScreenOnOffset = mGpsOnOffset = mWifiRunningOffset = mWakeLockOffset = mLineWidth;
mChargingOffset = mLineWidth * 2;
mPhoneSignalOffset = 0;
mLevelOffset = mLineWidth * 3;
mPhoneSignalChart.init(0);
}
mBatLevelPath.reset();
mBatGoodPath.reset();
mBatWarnPath.reset();
mBatCriticalPath.reset();
mScreenOnPath.reset();
mGpsOnPath.reset();
mWifiRunningPath.reset();
mWakeLockPath.reset();
mChargingPath.reset();
final long timeStart = mHistStart;
final long timeChange = mHistEnd - mHistStart;
final int batLow = mBatLow;
final int batChange = mBatHigh - mBatLow;
final int levelh = h - mLevelOffset - mLevelTop;
mLevelBottom = mLevelTop + levelh;
int x = 0, y = 0, startX = 0, lastX = -1, lastY = -1;
int i = 0;
Path curLevelPath = null;
Path lastLinePath = null;
boolean lastCharging = false, lastScreenOn = false, lastGpsOn = false;
boolean lastWifiRunning = false, lastWakeLock = false;
final int N = mNumHist;
if (mStats.startIteratingHistoryLocked()) {
final HistoryItem rec = new HistoryItem();
while (mStats.getNextHistoryLocked(rec) && i < N) {
if (rec.cmd == BatteryStats.HistoryItem.CMD_UPDATE) {
x = (int) (((rec.time - timeStart) * w) / timeChange);
y = mLevelTop + levelh - ((rec.batteryLevel - batLow) * (levelh - 1)) / batChange;
if (lastX != x) {
// We have moved by at least a pixel.
if (lastY != y) {
// Don't plot changes within a pixel.
Path path;
byte value = rec.batteryLevel;
if (value <= BATTERY_CRITICAL) path = mBatCriticalPath;
else if (value <= BATTERY_WARN) path = mBatWarnPath;
else path = mBatGoodPath;
if (path != lastLinePath) {
if (lastLinePath != null) {
lastLinePath.lineTo(x, y);
}
path.moveTo(x, y);
lastLinePath = path;
} else {
path.lineTo(x, y);
}
if (curLevelPath == null) {
curLevelPath = mBatLevelPath;
curLevelPath.moveTo(x, y);
startX = x;
} else {
curLevelPath.lineTo(x, y);
}
lastX = x;
lastY = y;
}
final boolean charging = (rec.states & HistoryItem.STATE_BATTERY_PLUGGED_FLAG) != 0;
if (charging != lastCharging) {
if (charging) {
mChargingPath.moveTo(x, h - mChargingOffset);
} else {
mChargingPath.lineTo(x, h - mChargingOffset);
}
lastCharging = charging;
}
final boolean screenOn = (rec.states & HistoryItem.STATE_SCREEN_ON_FLAG) != 0;
if (screenOn != lastScreenOn) {
if (screenOn) {
mScreenOnPath.moveTo(x, h - mScreenOnOffset);
} else {
mScreenOnPath.lineTo(x, h - mScreenOnOffset);
}
lastScreenOn = screenOn;
}
final boolean gpsOn = (rec.states & HistoryItem.STATE_GPS_ON_FLAG) != 0;
if (gpsOn != lastGpsOn) {
if (gpsOn) {
mGpsOnPath.moveTo(x, h - mGpsOnOffset);
} else {
mGpsOnPath.lineTo(x, h - mGpsOnOffset);
}
lastGpsOn = gpsOn;
}
final boolean wifiRunning = (rec.states & HistoryItem.STATE_WIFI_RUNNING_FLAG) != 0;
if (wifiRunning != lastWifiRunning) {
if (wifiRunning) {
mWifiRunningPath.moveTo(x, h - mWifiRunningOffset);
} else {
mWifiRunningPath.lineTo(x, h - mWifiRunningOffset);
}
lastWifiRunning = wifiRunning;
}
final boolean wakeLock = (rec.states & HistoryItem.STATE_WAKE_LOCK_FLAG) != 0;
if (wakeLock != lastWakeLock) {
if (wakeLock) {
mWakeLockPath.moveTo(x, h - mWakeLockOffset);
} else {
mWakeLockPath.lineTo(x, h - mWakeLockOffset);
}
lastWakeLock = wakeLock;
}
if (mLargeMode) {
int bin;
if (((rec.states & HistoryItem.STATE_PHONE_STATE_MASK)
>> HistoryItem.STATE_PHONE_STATE_SHIFT)
== ServiceState.STATE_POWER_OFF) {
bin = 0;
} else if ((rec.states & HistoryItem.STATE_PHONE_SCANNING_FLAG) != 0) {
bin = 1;
} else {
bin =
(rec.states & HistoryItem.STATE_SIGNAL_STRENGTH_MASK)
>> HistoryItem.STATE_SIGNAL_STRENGTH_SHIFT;
bin += 2;
}
mPhoneSignalChart.addTick(x, bin);
}
}
} else if (rec.cmd != BatteryStats.HistoryItem.CMD_OVERFLOW) {
if (curLevelPath != null) {
finishPaths(
x + 1,
h,
levelh,
startX,
lastY,
curLevelPath,
lastX,
lastCharging,
lastScreenOn,
lastGpsOn,
lastWifiRunning,
lastWakeLock,
lastLinePath);
lastX = lastY = -1;
curLevelPath = null;
lastLinePath = null;
lastCharging = lastScreenOn = lastGpsOn = lastWakeLock = false;
}
}
i++;
}
}
finishPaths(
w,
h,
levelh,
startX,
lastY,
curLevelPath,
lastX,
lastCharging,
lastScreenOn,
lastGpsOn,
lastWifiRunning,
lastWakeLock,
lastLinePath);
}