Remove DozeHost from Components.

DozeHost is injectable. Inject it where needed.

Bug: 143982853
Test: atest SystemUITests
Change-Id: I76e01b6fc6946754baf2218e5fd7b68728e206c1

packages/SystemUI/src/com/android/systemui/doze/DozeFactory.java

@@ -18,7 +18,6 @@ package com.android.systemui.doze;
 
 import android.annotation.Nullable;
 import android.app.AlarmManager;
-import android.app.Application;
 import android.app.IWallpaperManager;
 import android.content.Context;
 import android.hardware.Sensor;
@@ -28,13 +27,13 @@ import android.os.Handler;
 
 import com.android.keyguard.KeyguardUpdateMonitor;
 import com.android.systemui.R;
-import com.android.systemui.SystemUIApplication;
 import com.android.systemui.broadcast.BroadcastDispatcher;
 import com.android.systemui.dock.DockManager;
 import com.android.systemui.keyguard.WakefulnessLifecycle;
 import com.android.systemui.plugins.FalsingManager;
 import com.android.systemui.statusbar.phone.BiometricUnlockController;
 import com.android.systemui.statusbar.phone.DozeParameters;
+import com.android.systemui.statusbar.phone.DozeServiceHost;
 import com.android.systemui.statusbar.policy.BatteryController;
 import com.android.systemui.util.sensors.AsyncSensorManager;
 import com.android.systemui.util.sensors.ProximitySensor;
@@ -60,6 +59,7 @@ public class DozeFactory {
     private final Handler mHandler;
     private final BiometricUnlockController mBiometricUnlockController;
     private final BroadcastDispatcher mBroadcastDispatcher;
+    private final DozeServiceHost mDozeServiceHost;
 
     @Inject
     public DozeFactory(FalsingManager falsingManager, DozeLog dozeLog,
@@ -70,7 +70,7 @@ public class DozeFactory {
             ProximitySensor proximitySensor,
             DelayedWakeLock.Builder delayedWakeLockBuilder, Handler handler,
             BiometricUnlockController biometricUnlockController,
-            BroadcastDispatcher broadcastDispatcher) {
+            BroadcastDispatcher broadcastDispatcher, DozeServiceHost dozeServiceHost) {
         mFalsingManager = falsingManager;
         mDozeLog = dozeLog;
         mDozeParameters = dozeParameters;
@@ -86,16 +86,16 @@ public class DozeFactory {
         mHandler = handler;
         mBiometricUnlockController = biometricUnlockController;
         mBroadcastDispatcher = broadcastDispatcher;
+        mDozeServiceHost = dozeServiceHost;
     }
 
     /** Creates a DozeMachine with its parts for {@code dozeService}. */
     DozeMachine assembleMachine(DozeService dozeService) {
-        DozeHost host = getHost(dozeService);
         AmbientDisplayConfiguration config = new AmbientDisplayConfiguration(dozeService);
         WakeLock wakeLock = mDelayedWakeLockBuilder.setHandler(mHandler).setTag("Doze").build();
 
         DozeMachine.Service wrappedService = dozeService;
-        wrappedService = new DozeBrightnessHostForwarder(wrappedService, host);
+        wrappedService = new DozeBrightnessHostForwarder(wrappedService, mDozeServiceHost);
         wrappedService = DozeScreenStatePreventingAdapter.wrapIfNeeded(
                 wrappedService, mDozeParameters);
         wrappedService = DozeSuspendScreenStatePreventingAdapter.wrapIfNeeded(
@@ -106,16 +106,19 @@ public class DozeFactory {
         machine.setParts(new DozeMachine.Part[]{
                 new DozePauser(mHandler, machine, mAlarmManager, mDozeParameters.getPolicy()),
                 new DozeFalsingManagerAdapter(mFalsingManager),
-                createDozeTriggers(dozeService, mAsyncSensorManager, host, mAlarmManager, config,
-                        mDozeParameters, mHandler, wakeLock, machine, mDockManager, mDozeLog),
-                createDozeUi(dozeService, host, wakeLock, machine, mHandler, mAlarmManager,
-                        mDozeParameters, mDozeLog),
-                new DozeScreenState(wrappedService, mHandler, host, mDozeParameters, wakeLock),
-                createDozeScreenBrightness(dozeService, wrappedService, mAsyncSensorManager, host,
-                        mDozeParameters, mHandler),
-                new DozeWallpaperState(
-                        mWallpaperManager, mBiometricUnlockController, mDozeParameters),
-                new DozeDockHandler(dozeService, machine, host, config, mHandler, mDockManager),
+                createDozeTriggers(dozeService, mAsyncSensorManager, mDozeServiceHost,
+                        mAlarmManager, config, mDozeParameters, mHandler, wakeLock, machine,
+                        mDockManager, mDozeLog),
+                createDozeUi(dozeService, mDozeServiceHost, wakeLock, machine, mHandler,
+                        mAlarmManager, mDozeParameters, mDozeLog),
+                new DozeScreenState(wrappedService, mHandler, mDozeServiceHost, mDozeParameters,
+                        wakeLock),
+                createDozeScreenBrightness(dozeService, wrappedService, mAsyncSensorManager,
+                        mDozeServiceHost, mDozeParameters, mHandler),
+                new DozeWallpaperState(mWallpaperManager, mBiometricUnlockController,
+                        mDozeParameters),
+                new DozeDockHandler(dozeService, machine, mDozeServiceHost, config, mHandler,
+                        mDockManager),
                 new DozeAuthRemover(dozeService)
         });
 
@@ -148,10 +151,4 @@ public class DozeFactory {
         return new DozeUi(context, alarmManager, machine, wakeLock, host, handler, params,
                           mKeyguardUpdateMonitor, dozeLog);
     }
-
-    public static DozeHost getHost(DozeService service) {
-        Application appCandidate = service.getApplication();
-        final SystemUIApplication app = (SystemUIApplication) appCandidate;
-        return app.getComponent(DozeHost.class);
-    }
 }

packages/SystemUI/src/com/android/systemui/doze/DozeService.java

@@ -55,10 +55,6 @@ public class DozeService extends DreamService
 
         setWindowless(true);
 
-        if (DozeFactory.getHost(this) == null) {
-            finish();
-            return;
-        }
         mPluginManager.addPluginListener(this, DozeServicePlugin.class, false /* allowMultiple */);
         mDozeMachine = mDozeFactory.assembleMachine(this);
     }