import android.view.View;
public class BatteryHistoryChart extends View {
+ static final int CHART_DATA_X_MASK = 0x0000ffff;
+ static final int CHART_DATA_BIN_MASK = 0xffff0000;
+ static final int CHART_DATA_BIN_SHIFT = 16;
+
+ static class ChartData {
+ int[] mColors;
+ Paint[] mPaints;
+
+ int mNumTicks;
+ int[] mTicks;
+ int mLastBin;
+
+ void setColors(int[] colors) {
+ mColors = colors;
+ mPaints = new Paint[colors.length];
+ for (int i=0; i<colors.length; i++) {
+ mPaints[i] = new Paint();
+ mPaints[i].setColor(colors[i]);
+ mPaints[i].setStyle(Paint.Style.FILL);
+ }
+ }
+
+ void init(int width) {
+ if (width > 0) {
+ mTicks = new int[width*2];
+ } else {
+ mTicks = null;
+ }
+ mNumTicks = 0;
+ mLastBin = 0;
+ }
+
+ void addTick(int x, int bin) {
+ if (bin != mLastBin && mNumTicks < mTicks.length) {
+ mTicks[mNumTicks] = x | bin << CHART_DATA_BIN_SHIFT;
+ mNumTicks++;
+ mLastBin = bin;
+ }
+ }
+
+ void finish(int width) {
+ if (mLastBin != 0) {
+ addTick(width, 0);
+ }
+ }
+
+ void draw(Canvas canvas, int top, int height) {
+ int lastBin=0, lastX=0;
+ int bottom = top + height;
+ for (int i=0; i<mNumTicks; i++) {
+ int tick = mTicks[i];
+ int x = tick&CHART_DATA_X_MASK;
+ int bin = (tick&CHART_DATA_BIN_MASK) >> CHART_DATA_BIN_SHIFT;
+ if (lastBin != 0) {
+ canvas.drawRect(lastX, top, x, bottom, mPaints[lastBin]);
+ }
+ lastBin = bin;
+ lastX = x;
+ }
+
+ }
+ }
+
static final int SANS = 1;
static final int SERIF = 2;
static final int MONOSPACE = 3;
static final int BATTERY_WARN = 29;
static final int BATTERY_CRITICAL = 14;
- // First value if for phone off; sirst value is "scanning"; following values
+ // First value if for phone off; first value is "scanning"; following values
// are battery stats signal strength buckets.
static final int NUM_PHONE_SIGNALS = 7;
final Paint mGpsOnPaint = new Paint();
final Paint mWifiRunningPaint = new Paint();
final Paint mWakeLockPaint = new Paint();
- final Paint[] mPhoneSignalPaints = new Paint[NUM_PHONE_SIGNALS];
- final int[] mPhoneSignalColors = new int[] {
- 0x00000000, 0xffa00000, 0xffa0a000, 0xff808020,
- 0xff808040, 0xff808060, 0xff008000
- };
+ final ChartData mPhoneSignalChart = new ChartData();
final TextPaint mTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG);
final Path mBatLevelPath = new Path();
int mLevelOffset;
int mLevelTop;
int mLevelBottom;
- static final int PHONE_SIGNAL_X_MASK = 0x0000ffff;
- static final int PHONE_SIGNAL_BIN_MASK = 0xffff0000;
- static final int PHONE_SIGNAL_BIN_SHIFT = 16;
- int mNumPhoneSignalTicks;
- int[] mPhoneSignalTicks;
+ static final int PHONE_SIGNAL_X_MASK = CHART_DATA_X_MASK;
+ static final int PHONE_SIGNAL_BIN_MASK = CHART_DATA_BIN_MASK;
+ static final int PHONE_SIGNAL_BIN_SHIFT = CHART_DATA_BIN_SHIFT;
int mNumHist;
- BatteryStats.HistoryItem mHistFirst;
long mHistStart;
long mHistEnd;
int mBatLow;
int mBatHigh;
boolean mHaveWifi;
boolean mHaveGps;
+ boolean mHavePhoneSignal;
public BatteryHistoryChart(Context context, AttributeSet attrs) {
super(context, attrs);
mBatteryCriticalPaint.setStyle(Paint.Style.STROKE);
mChargingPaint.setARGB(255, 0, 128, 0);
mChargingPaint.setStyle(Paint.Style.STROKE);
- mScreenOnPaint.setARGB(255, 0, 0, 255);
mScreenOnPaint.setStyle(Paint.Style.STROKE);
- mGpsOnPaint.setARGB(255, 0, 0, 255);
mGpsOnPaint.setStyle(Paint.Style.STROKE);
- mWifiRunningPaint.setARGB(255, 0, 0, 255);
mWifiRunningPaint.setStyle(Paint.Style.STROKE);
- mWakeLockPaint.setARGB(255, 0, 0, 255);
mWakeLockPaint.setStyle(Paint.Style.STROKE);
- for (int i=0; i<NUM_PHONE_SIGNALS; i++) {
- mPhoneSignalPaints[i] = new Paint();
- mPhoneSignalPaints[i].setColor(mPhoneSignalColors[i]);
- mPhoneSignalPaints[i].setStyle(Paint.Style.FILL);
- }
+ mPhoneSignalChart.setColors(new int[] {
+ 0x00000000, 0xffa00000, 0xffa0a000, 0xff808020,
+ 0xff808040, 0xff808060, 0xff008000
+ });
mTextPaint.density = getResources().getDisplayMetrics().density;
mTextPaint.setCompatibilityScaling(
}
}
+ a.recycle();
+
mTextPaint.setColor(textColor.getDefaultColor());
mTextPaint.setTextSize(textSize);
mWakeLockLabel = getContext().getString(R.string.battery_stats_wake_lock_label);
mPhoneSignalLabel = getContext().getString(R.string.battery_stats_phone_signal_label);
- BatteryStats.HistoryItem rec = stats.getHistory();
- mHistFirst = null;
int pos = 0;
int lastInteresting = 0;
byte lastLevel = -1;
mBatLow = 0;
mBatHigh = 100;
int aggrStates = 0;
- while (rec != null) {
- pos++;
- if (rec.cmd == HistoryItem.CMD_UPDATE) {
- if (mHistFirst == null) {
- mHistFirst = rec;
- mHistStart = rec.time;
- }
- if (rec.batteryLevel != lastLevel || pos == 1) {
- lastLevel = rec.batteryLevel;
- lastInteresting = pos;
- mHistEnd = rec.time;
+ 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;
}
- aggrStates |= rec.states;
}
- rec = rec.next;
}
mNumHist = lastInteresting;
mHaveGps = (aggrStates&HistoryItem.STATE_GPS_ON_FLAG) != 0;
mHaveWifi = (aggrStates&HistoryItem.STATE_WIFI_RUNNING_FLAG) != 0;
-
+ if (!com.android.settings.Utils.isWifiOnly()) {
+ mHavePhoneSignal = true;
+ }
if (mHistEnd <= mHistStart) mHistEnd = mHistStart+1;
mTotalDurationString = Utils.formatElapsedTime(getContext(), mHistEnd - mHistStart);
}
mTextDescent = (int)mTextPaint.descent();
}
- void addPhoneSignalTick(int x, int bin) {
- mPhoneSignalTicks[mNumPhoneSignalTicks]
- = x | bin << PHONE_SIGNAL_BIN_SHIFT;
- mNumPhoneSignalTicks++;
- }
-
void finishPaths(int w, int h, int levelh, int startX, int y, Path curLevelPath,
int lastX, boolean lastCharging, boolean lastScreenOn, boolean lastGpsOn,
- boolean lastWifiRunning, boolean lastWakeLock, int lastPhoneSignal, Path lastPath) {
+ boolean lastWifiRunning, boolean lastWakeLock, Path lastPath) {
if (curLevelPath != null) {
if (lastX >= 0 && lastX < w) {
if (lastPath != null) {
if (lastWakeLock) {
mWakeLockPath.lineTo(w, h-mWakeLockOffset);
}
- if (lastPhoneSignal != 0) {
- addPhoneSignalTick(w, 0);
+ if (mHavePhoneSignal) {
+ mPhoneSignalChart.finish(w);
}
}
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);
mWifiRunningOffset = mWakeLockOffset + barOffset;
mGpsOnOffset = mWifiRunningOffset + (mHaveWifi ? barOffset : 0);
mPhoneSignalOffset = mGpsOnOffset + (mHaveGps ? barOffset : 0);
- mLevelOffset = mPhoneSignalOffset + barOffset + mLineWidth;
- mPhoneSignalTicks = new int[w+2];
+ mLevelOffset = mPhoneSignalOffset + (mHavePhoneSignal ? barOffset : 0) + mLineWidth;
+ if (mHavePhoneSignal) {
+ mPhoneSignalChart.init(w);
+ }
} else {
mScreenOnOffset = mGpsOnOffset = mWifiRunningOffset
= mWakeLockOffset = mLineWidth;
mChargingOffset = mLineWidth*2;
mPhoneSignalOffset = 0;
mLevelOffset = mLineWidth*3;
- mPhoneSignalTicks = null;
+ if (mHavePhoneSignal) {
+ mPhoneSignalChart.init(0);
+ }
}
mBatLevelPath.reset();
final int levelh = h - mLevelOffset - mLevelTop;
mLevelBottom = mLevelTop + levelh;
- BatteryStats.HistoryItem rec = mHistFirst;
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;
- int lastPhoneSignalBin = 0;
final int N = mNumHist;
- while (rec != null && 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);
+ 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);
}
- 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;
}
-
- if (curLevelPath == null) {
- curLevelPath = mBatLevelPath;
- curLevelPath.moveTo(x, y);
- startX = x;
- } else {
- curLevelPath.lineTo(x, 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;
}
- 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);
+ 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;
}
- 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);
+ 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;
}
- 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);
+ 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;
}
- 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);
+ 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;
}
- 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);
+ if (mLargeMode && mHavePhoneSignal) {
+ 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);
}
- 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;
- }
- if (bin != lastPhoneSignalBin) {
- addPhoneSignalTick(x, bin);
- lastPhoneSignalBin = 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;
}
}
- } 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, lastPhoneSignalBin, lastLinePath);
- lastX = lastY = -1;
- curLevelPath = null;
- lastLinePath = null;
- lastCharging = lastScreenOn = lastGpsOn = lastWakeLock = false;
- lastPhoneSignalBin = 0;
- }
+ i++;
}
-
- rec = rec.next;
- i++;
}
finishPaths(w, h, levelh, startX, lastY, curLevelPath, lastX,
lastCharging, lastScreenOn, lastGpsOn, lastWifiRunning,
- lastWakeLock, lastPhoneSignalBin, lastLinePath);
+ lastWakeLock, lastLinePath);
}
@Override
if (!mBatCriticalPath.isEmpty()) {
canvas.drawPath(mBatCriticalPath, mBatteryCriticalPaint);
}
- int lastBin=0, lastX=0;
- int top = height-mPhoneSignalOffset - (mLineWidth/2);
- int bottom = top + mLineWidth;
- for (int i=0; i<mNumPhoneSignalTicks; i++) {
- int tick = mPhoneSignalTicks[i];
- int x = tick&PHONE_SIGNAL_X_MASK;
- int bin = (tick&PHONE_SIGNAL_BIN_MASK) >> PHONE_SIGNAL_BIN_SHIFT;
- if (lastBin != 0) {
- canvas.drawRect(lastX, top, x, bottom, mPhoneSignalPaints[lastBin]);
- }
- lastBin = bin;
- lastX = x;
+ int top = height - (mHavePhoneSignal ? mPhoneSignalOffset - (mLineWidth/2) : 0);
+ if (mHavePhoneSignal) {
+ mPhoneSignalChart.draw(canvas, top, mLineWidth);
}
if (!mScreenOnPath.isEmpty()) {
canvas.drawPath(mScreenOnPath, mScreenOnPaint);
}
if (mLargeMode) {
- canvas.drawText(mPhoneSignalLabel, 0,
- height - mPhoneSignalOffset - mTextDescent, mTextPaint);
+ if (mHavePhoneSignal) {
+ canvas.drawText(mPhoneSignalLabel, 0,
+ height - mPhoneSignalOffset - mTextDescent, mTextPaint);
+ }
if (mHaveGps) {
canvas.drawText(mGpsOnLabel, 0,
height - mGpsOnOffset - mTextDescent, mTextPaint);