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Merge "Optimize screen time cross power connection logic from O(N^2) to O(N)" into udc-dev

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This commit is contained in:
YK Hung
2023-04-12 06:01:00 +00:00
committed by Android (Google) Code Review
parent 65136fa9f8 680cd305a1
commit c00fb2efbd
1 changed files with 5 additions and 1 deletions
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6
src/com/android/settings/fuelgauge/batteryusage/DataProcessor.java
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@@ -852,9 +852,11 @@ public final class DataProcessor {
final List<AppUsagePeriod> usagePeriodList,
final List<BatteryEvent> batteryEventList) {
final List<AppUsagePeriod> resultList = new ArrayList<>();
int index = 0;
for (AppUsagePeriod inputPeriod : usagePeriodList) {
long lastStartTime = inputPeriod.getStartTime();
for (BatteryEvent batteryEvent : batteryEventList) {
while (index < batteryEventList.size()) {
BatteryEvent batteryEvent = batteryEventList.get(index);
if (batteryEvent.getTimestamp() < inputPeriod.getStartTime()) {
// Because the batteryEventList has been sorted, here is to mark the power
// connection state when the usage period starts. If power is connected when
@@ -865,6 +867,7 @@ public final class DataProcessor {
} else if (batteryEvent.getType() == BatteryEventType.POWER_DISCONNECTED) {
lastStartTime = inputPeriod.getStartTime();
}
index++;
continue;
}
if (batteryEvent.getTimestamp() > inputPeriod.getEndTime()) {
@@ -883,6 +886,7 @@ public final class DataProcessor {
} else if (batteryEvent.getType() == BatteryEventType.POWER_DISCONNECTED) {
lastStartTime = batteryEvent.getTimestamp();
}
index++;
}
if (lastStartTime != 0) {
resultList.add(AppUsagePeriod.newBuilder()