Add CarPowerManager

- Add Java API for apps to call into power manager
- Update EmbeddedKitchenSink to test API
- Update CarPowrManagementService to handle binder interface

Bug: 32061842
Test: EmbeddedKitchenSink
Change-Id: I15f5c25262507d4a6d6e5f381643f3e584f1843e

5 files changed, 152 insertions, 41 deletions

diff --git a/tests/EmbeddedKitchenSinkApp/res/layout/power_test.xml b/tests/EmbeddedKitchenSinkApp/res/layout/power_test.xml
index 6ad14d43e3..62f80d0887 100644
--- a/tests/EmbeddedKitchenSinkApp/res/layout/power_test.xml
+++ b/tests/EmbeddedKitchenSinkApp/res/layout/power_test.xml
@@ -19,19 +19,53 @@
     android:layout_width="match_parent"
     android:orientation="vertical">
 
-    <Button
-        android:clickable="true"
-        android:id="@+id/btnPwrShutdown"
-        android:layout_height="@dimen/powerBtnHeight"
-        android:layout_width ="250dp"
-        android:text="@string/power_shutdown"
-        android:textSize="@dimen/powerTextSize"/>
-
-    <Button
-        android:clickable="true"
-        android:id="@+id/btnPwrSleep"
-        android:layout_height="@dimen/powerBtnHeight"
-        android:layout_width ="250dp"
-        android:text="@string/power_sleep"
-        android:textSize="@dimen/powerTextSize"/>
+    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_height="wrap_content"
+        android:layout_width="match_parent"
+        android:orientation="horizontal">
+        <Button
+            android:clickable="true"
+            android:id="@+id/btnPwrShutdown"
+            android:layout_height="@dimen/powerBtnHeight"
+            android:layout_width ="@dimen/powerBtnWidth"
+            android:text="@string/power_shutdown"
+            android:textSize="@dimen/powerTextSize"/>
+
+        <Button
+            android:clickable="true"
+            android:id="@+id/btnPwrSleep"
+            android:layout_height="@dimen/powerBtnHeight"
+            android:layout_width ="@dimen/powerBtnWidth"
+            android:text="@string/power_sleep"
+            android:textSize="@dimen/powerTextSize"/>
+    </LinearLayout>
+
+    <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
+        android:layout_height="wrap_content"
+        android:layout_width="match_parent"
+        android:orientation="horizontal">
+
+        <Button
+            android:clickable="true"
+            android:id="@+id/btnPwrRequestShutdown"
+            android:layout_height="@dimen/powerBtnHeight"
+            android:layout_width ="@dimen/powerBtnWidth"
+            android:text="@string/power_request_shutdown"
+            android:textSize="@dimen/powerTextSize"/>
+
+        <Button
+            android:clickable="true"
+            android:id="@+id/btnPwrGetBootReason"
+            android:layout_height="@dimen/powerBtnHeight"
+            android:layout_width ="@dimen/powerBtnWidth"
+            android:text="@string/power_get_boot_reason"
+            android:textSize="@dimen/powerTextSize"/>
+
+        <TextView
+            android:id="@+id/tvPowerBootReason"
+            android:layout_height="@dimen/powerBtnHeight"
+            android:layout_width ="@dimen/powerBtnWidth"
+            android:layout_weight="1"
+            android:textSize="@dimen/powerTextSize"/>
+    </LinearLayout>
 </LinearLayout>
diff --git a/tests/EmbeddedKitchenSinkApp/res/values/dimens.xml b/tests/EmbeddedKitchenSinkApp/res/values/dimens.xml
index 95a88d2b59..39d862e4e2 100644
--- a/tests/EmbeddedKitchenSinkApp/res/values/dimens.xml
+++ b/tests/EmbeddedKitchenSinkApp/res/values/dimens.xml
@@ -17,7 +17,8 @@
     <dimen name="hvacBtnHeight">60dp</dimen>
     <dimen name="hvacBtnMargin">10dp</dimen>
     <dimen name="hvacTextSize">24sp</dimen>
-    <dimen name="powerBtnHeight">60dp</dimen>
+    <dimen name="powerBtnHeight">80dp</dimen>
+    <dimen name="powerBtnWidth">300dp</dimen>
     <dimen name="powerTextSize">24sp</dimen>
     <dimen name="rvcBtnHeight">40dp</dimen>
     <dimen name="rvcBtnWidth">150dp</dimen>
diff --git a/tests/EmbeddedKitchenSinkApp/res/values/strings.xml b/tests/EmbeddedKitchenSinkApp/res/values/strings.xml
index c5d32a44bb..07a97ffd8a 100644
--- a/tests/EmbeddedKitchenSinkApp/res/values/strings.xml
+++ b/tests/EmbeddedKitchenSinkApp/res/values/strings.xml
@@ -168,6 +168,8 @@
     <string name="music_stop">Stop</string>
 
     <!-- power test -->
+    <string name="power_get_boot_reason">Get Boot Reason</string>
+    <string name="power_request_shutdown">Request Shutdown</string>
     <string name="power_shutdown">Shutdown</string>
     <string name="power_sleep">Sleep</string>
 
diff --git a/tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/KitchenSinkActivity.java b/tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/KitchenSinkActivity.java
index 2748ece795..bfc90d1be6 100644
--- a/tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/KitchenSinkActivity.java
+++ b/tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/KitchenSinkActivity.java
@@ -16,17 +16,8 @@
 
 package com.google.android.car.kitchensink;
 
-import android.car.hardware.hvac.CarHvacManager;
-import android.content.Intent;
-import android.content.pm.PackageManager;
-import android.os.Bundle;
-import android.support.car.Car;
-import android.support.car.CarAppFocusManager;
-import android.support.car.CarConnectionCallback;
-import android.support.car.CarNotConnectedException;
-import android.support.car.hardware.CarSensorManager;
-import android.support.v4.app.Fragment;
-import android.util.Log;
+import java.util.ArrayList;
+import java.util.List;
 
 import com.google.android.car.kitchensink.alertdialog.AlertDialogTestFragment;
 import com.google.android.car.kitchensink.assistant.CarAssistantFragment;
@@ -50,8 +41,18 @@ import com.google.android.car.kitchensink.touch.TouchTestFragment;
 import com.google.android.car.kitchensink.vhal.VehicleHalFragment;
 import com.google.android.car.kitchensink.volume.VolumeTestFragment;
 
-import java.util.ArrayList;
-import java.util.List;
+import android.car.hardware.hvac.CarHvacManager;
+import android.car.hardware.power.CarPowerManager;
+import android.content.Intent;
+import android.content.pm.PackageManager;
+import android.os.Bundle;
+import android.support.car.Car;
+import android.support.car.CarAppFocusManager;
+import android.support.car.CarConnectionCallback;
+import android.support.car.CarNotConnectedException;
+import android.support.car.hardware.CarSensorManager;
+import android.support.v4.app.Fragment;
+import android.util.Log;
 
 import androidx.car.drawer.CarDrawerActivity;
 import androidx.car.drawer.CarDrawerAdapter;
@@ -172,6 +173,7 @@ public class KitchenSinkActivity extends CarDrawerActivity {
     };
     private Car mCarApi;
     private CarHvacManager mHvacManager;
+    private CarPowerManager mPowerManager;
     private CarSensorManager mCarSensorManager;
     private CarAppFocusManager mCarAppFocusManager;
 
@@ -187,6 +189,10 @@ public class KitchenSinkActivity extends CarDrawerActivity {
         return mHvacManager;
     }
 
+    public CarPowerManager getPowerManager() {
+        return mPowerManager;
+    }
+
     @Override
     protected CarDrawerAdapter getRootAdapter() {
         return new DrawerAdapter();
@@ -260,6 +266,8 @@ public class KitchenSinkActivity extends CarDrawerActivity {
             Log.d(TAG, "Connected to Car Service");
             try {
                 mHvacManager = (CarHvacManager) mCarApi.getCarManager(android.car.Car.HVAC_SERVICE);
+                mPowerManager = (CarPowerManager) mCarApi.getCarManager(
+                    android.car.Car.POWER_SERVICE);
                 mCarSensorManager = (CarSensorManager) mCarApi.getCarManager(Car.SENSOR_SERVICE);
                 mCarSensorManager.addListener(mListener,
                         CarSensorManager.SENSOR_TYPE_DRIVING_STATUS,
diff --git a/tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/power/PowerTestFragment.java b/tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/power/PowerTestFragment.java
index b90f02104a..4dd7eeff11 100644
--- a/tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/power/PowerTestFragment.java
+++ b/tests/EmbeddedKitchenSinkApp/src/com/google/android/car/kitchensink/power/PowerTestFragment.java
@@ -17,10 +17,15 @@
 package com.google.android.car.kitchensink.power;
 
 import static java.lang.Integer.toHexString;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.concurrent.Executor;
 
 import com.google.android.car.kitchensink.KitchenSinkActivity;
 import com.google.android.car.kitchensink.R;
 
+import android.car.CarNotConnectedException;
+import android.car.hardware.power.CarPowerManager;
 import android.content.Context;
 import android.os.Bundle;
 import android.os.PowerManager;
@@ -31,23 +36,67 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
-
-import java.util.ArrayList;
-import java.util.List;
+import android.widget.TextView;
+import android.widget.Toast;
 
 public class PowerTestFragment extends Fragment {
     private final boolean DBG = false;
     private final String TAG = "PowerTestFragment";
+    private CarPowerManager mCarPowerManager;
+    private TextView mTvBootReason;
+    private Executor mExecutor;
+
+    private class ThreadPerTaskExecutor implements Executor {
+        public void execute(Runnable r) {
+            new Thread(r).start();
+        }
+    }
+
+    private final CarPowerManager.CarPowerStateListener mPowerListener =
+            new CarPowerManager.CarPowerStateListener () {
+                @Override
+                public void onStateChanged(int state) {
+                    Log.i(TAG, "onStateChanged() state = " + state);
+                }
+            };
+
+    @Override
+    public void onCreate(Bundle savedInstanceState) {
+        mCarPowerManager = ((KitchenSinkActivity)getActivity()).getPowerManager();
+        mExecutor = new ThreadPerTaskExecutor();
+        super.onCreate(savedInstanceState);
+        try {
+            mCarPowerManager.setListener(mPowerListener, mExecutor);
+        } catch (CarNotConnectedException e) {
+            Log.e(TAG, "Car is not connected!");
+        } catch (IllegalStateException e) {
+            Log.e(TAG, "CarPowerManager listener was not cleared");
+        }
+    }
+
+    @Override
+    public void onDestroy() {
+        super.onDestroy();
+        mCarPowerManager.clearListener();
+    }
 
     @Override
     public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstance) {
         View v = inflater.inflate(R.layout.power_test, container, false);
 
-        Button b = v.findViewById(R.id.btnPwrShutdown);
-        b.setOnClickListener(this::shutdown);
+        Button b = v.findViewById(R.id.btnPwrGetBootReason);
+        b.setOnClickListener(this::getBootReasonBtn);
+
+        b = v.findViewById(R.id.btnPwrRequestShutdown);
+        b.setOnClickListener(this::requestShutdownBtn);
+
+        b = v.findViewById(R.id.btnPwrShutdown);
+        b.setOnClickListener(this::shutdownBtn);
 
         b = v.findViewById(R.id.btnPwrSleep);
-        b.setOnClickListener(this::sleep);
+        b.setOnClickListener(this::sleepBtn);
+
+        mTvBootReason = v.findViewById(R.id.tvPowerBootReason);
 
         if(DBG) {
             Log.d(TAG, "Starting PowerTestFragment");
@@ -56,23 +105,40 @@ public class PowerTestFragment extends Fragment {
         return v;
     }
 
-    private void shutdown(View v) {
+    private void getBootReasonBtn(View v) {
+        try {
+            int bootReason = mCarPowerManager.getBootReason();
+            mTvBootReason.setText(String.valueOf(bootReason));
+        } catch (CarNotConnectedException e) {
+            Log.e(TAG, "Failed to getBootReason()", e);
+        }
+    }
+
+    private void requestShutdownBtn(View v) {
+        try {
+            mCarPowerManager.requestShutdownOnNextSuspend();
+        } catch (CarNotConnectedException e) {
+            Log.e(TAG, "Failed to set requestShutdownOnNextSuspend()", e);
+        }
+    }
+
+    private void shutdownBtn(View v) {
         if(DBG) {
             Log.d(TAG, "Calling shutdown method");
         }
-
         PowerManager pm = (PowerManager) getActivity().getSystemService(Context.POWER_SERVICE);
         pm.shutdown(/* confirm */ false, /* reason */ null, /* wait */ false);
         Log.d(TAG, "shutdown called!");
     }
 
-    private void sleep(View v) {
-        // TBD
+    private void sleepBtn(View v) {
         if(DBG) {
             Log.d(TAG, "Calling sleep method");
         }
-
+        // NOTE:  This doesn't really work to sleep the device.  Actual sleep is implemented via
+        //  SystemInterface via libsuspend::force_suspend()
         PowerManager pm = (PowerManager) getActivity().getSystemService(Context.POWER_SERVICE);
-        pm.goToSleep(SystemClock.uptimeMillis(), PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN, PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
+        pm.goToSleep(SystemClock.uptimeMillis(), PowerManager.GO_TO_SLEEP_REASON_DEVICE_ADMIN,
+                     PowerManager.GO_TO_SLEEP_FLAG_NO_DOZE);
     }
 }