Add a method to calculate battery usage diff results from history

Bug: 184807417 Test: make SettingsRoboTests Test: make SettingsGoogleRoboTests Change-Id: If613c5cfd7e00e1883107385d3d8552774378cd7
2021-04-12 15:58:32 +08:00
parent bdaee1431f
commit aeb5b95705
6 changed files with 338 additions and 4 deletions
--- a/src/com/android/settings/fuelgauge/BatteryDiffEntry.java
+++ b/src/com/android/settings/fuelgauge/BatteryDiffEntry.java
@@ -0,0 +1,68 @@
+/*
+ * Copyright (C) 2021 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.settings.fuelgauge;
+
+import java.time.Duration;
+
+/** A container class to carry battery data in a specific time slot. */
+public final class BatteryDiffEntry {
+    private static final String TAG = "BatteryDiffEntry";
+
+    public final long mForegroundUsageTimeInMs;
+    public final long mBackgroundUsageTimeInMs;
+    public final double mConsumePower;
+    // A BatteryHistEntry corresponding to this diff usage daata.
+    public final BatteryHistEntry mBatteryHistEntry;
+
+    private double mTotalConsumePower;
+    private double mPercentOfTotal;
+
+    public BatteryDiffEntry(
+            long foregroundUsageTimeInMs,
+            long backgroundUsageTimeInMs,
+            double consumePower,
+            BatteryHistEntry batteryHistEntry) {
+        mForegroundUsageTimeInMs = foregroundUsageTimeInMs;
+        mBackgroundUsageTimeInMs = backgroundUsageTimeInMs;
+        mConsumePower = consumePower;
+        mBatteryHistEntry = batteryHistEntry;
+    }
+
+    /** Sets the total consumed power in a specific time slot. */
+    public void setTotalConsumePower(double totalConsumePower) {
+        mTotalConsumePower = totalConsumePower;
+        mPercentOfTotal = totalConsumePower == 0
+            ? 0 : (mConsumePower / mTotalConsumePower) * 100.0;
+    }
+
+    /** Gets the percentage of total consumed power. */
+    public double getPercentOfTotal() {
+        return mPercentOfTotal;
+    }
+
+    @Override
+    public String toString() {
+        final StringBuilder builder = new StringBuilder()
+            .append("BatteryDiffEntry{")
+            .append("\n\tname=" + mBatteryHistEntry.mAppLabel)
+            .append(String.format("\n\tconsume=%.2f%% %f/%f",
+                  mPercentOfTotal, mConsumePower, mTotalConsumePower))
+            .append(String.format("\n\tforeground:%d background:%d",
+                  Duration.ofMillis(mForegroundUsageTimeInMs).getSeconds(),
+                  Duration.ofMillis(mBackgroundUsageTimeInMs).getSeconds()))
+            .append(String.format("\n\tpackage:%s uid:%s",
+                  mBatteryHistEntry.mPackageName, mBatteryHistEntry.mUid));
+        return builder.toString();
+    }
+}