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Listen to battery saver changes.

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Listen to battery saver changes using the broadcast.

Bug: 158300259
Test: manual
Change-Id: I8785b65e6f9aa2b7bea53f9e81a40c2b9b71c2bd
This commit is contained in:
Kweku Adams
2022-02-23 18:36:34 +00:00
parent 68453bc360
commit 56e477eb95
1 changed files with 65 additions and 5 deletions
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70
apex/jobscheduler/service/java/com/android/server/tare/PowerSaveModeModifier.java
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@@ -17,27 +17,48 @@
package com.android.server.tare;
import android.annotation.NonNull;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.os.PowerManager;
import android.os.SystemClock;
import android.util.IndentingPrintWriter;
import android.util.Log;
import android.util.Slog;
/** Modifier that makes things more expensive in adaptive and full battery saver are active. */
class PowerSaveModeModifier extends Modifier {
private static final String TAG = "TARE-" + PowerSaveModeModifier.class.getSimpleName();
private static final boolean DEBUG = InternalResourceService.DEBUG
|| Log.isLoggable(TAG, Log.DEBUG);
private final InternalResourceService mIrs;
private final PowerManager mPowerManager;
private final PowerSaveModeTracker mPowerSaveModeTracker;
PowerSaveModeModifier(@NonNull InternalResourceService irs) {
super();
mIrs = irs;
mPowerManager = irs.getContext().getSystemService(PowerManager.class);
mPowerSaveModeTracker = new PowerSaveModeTracker();
}
@Override
public void setup() {
mPowerSaveModeTracker.startTracking(mIrs.getContext());
}
@Override
public void tearDown() {
mPowerSaveModeTracker.stopTracking(mIrs.getContext());
}
@Override
long getModifiedCostToProduce(long ctp) {
if (mPowerManager.isPowerSaveMode()) {
if (mPowerSaveModeTracker.mPowerSaveModeEnabled) {
return (long) (1.5 * ctp);
}
// TODO: get adaptive power save mode
if (mPowerManager.isPowerSaveMode()) {
if (mPowerSaveModeTracker.mPowerSaveModeEnabled) {
return (long) (1.25 * ctp);
}
return ctp;
@@ -46,6 +67,45 @@ class PowerSaveModeModifier extends Modifier {
@Override
void dump(IndentingPrintWriter pw) {
pw.print("power save=");
pw.println(mPowerManager.isPowerSaveMode());
pw.println(mPowerSaveModeTracker.mPowerSaveModeEnabled);
}
// TODO: migrate to relying on PowerSaveState and ServiceType.TARE
private final class PowerSaveModeTracker extends BroadcastReceiver {
private final PowerManager mPowerManager;
private volatile boolean mPowerSaveModeEnabled;
private PowerSaveModeTracker() {
mPowerManager = mIrs.getContext().getSystemService(PowerManager.class);
}
public void startTracking(@NonNull Context context) {
final IntentFilter filter = new IntentFilter();
filter.addAction(PowerManager.ACTION_POWER_SAVE_MODE_CHANGED);
context.registerReceiver(this, filter);
// Initialise tracker state.
mPowerSaveModeEnabled = mPowerManager.isPowerSaveMode();
}
public void stopTracking(@NonNull Context context) {
context.unregisterReceiver(this);
}
@Override
public void onReceive(Context context, Intent intent) {
final String action = intent.getAction();
if (PowerManager.ACTION_POWER_SAVE_MODE_CHANGED.equals(action)) {
final boolean enabled = mPowerManager.isPowerSaveMode();
if (DEBUG) {
Slog.d(TAG, "Power save mode changed to " + enabled
+ ", fired @ " + SystemClock.elapsedRealtime());
}
if (mPowerSaveModeEnabled != enabled) {
mPowerSaveModeEnabled = enabled;
mIrs.onDeviceStateChanged();
}
}
}
}
}