Add CoreStartable and basic module for keyboard

Adds empty KeyboardModule and KeyboardCoreStartable that will be used to trigger all keyboard listeners/interactions

Bug: 268638504
Test: project builds
Change-Id: I17be22f372e6e0454b95f032fe042817466700cd

packages/SystemUI/src/com/android/systemui/dagger/SystemUICoreStartableModule.kt

@@ -30,6 +30,7 @@ import com.android.systemui.controls.dagger.StartControlsStartableModule
 import com.android.systemui.dagger.qualifiers.PerUser
 import com.android.systemui.dreams.DreamMonitor
 import com.android.systemui.globalactions.GlobalActionsComponent
+import com.android.systemui.keyboard.PhysicalKeyboardCoreStartable
 import com.android.systemui.keyboard.KeyboardUI
 import com.android.systemui.keyguard.KeyguardViewMediator
 import com.android.systemui.keyguard.data.quickaffordance.MuteQuickAffordanceCoreStartable
@@ -286,6 +287,11 @@ abstract class SystemUICoreStartableModule {
     @ClassKey(StylusUsiPowerStartable::class)
     abstract fun bindStylusUsiPowerStartable(sysui: StylusUsiPowerStartable): CoreStartable
 
+    @Binds
+    @IntoMap
+    @ClassKey(PhysicalKeyboardCoreStartable::class)
+    abstract fun bindKeyboardCoreStartable(listener: PhysicalKeyboardCoreStartable): CoreStartable
+
     /** Inject into MuteQuickAffordanceCoreStartable*/
     @Binds
     @IntoMap

packages/SystemUI/src/com/android/systemui/dagger/SystemUIModule.java

@@ -47,6 +47,7 @@ import com.android.systemui.dump.DumpManager;
 import com.android.systemui.flags.FeatureFlags;
 import com.android.systemui.flags.FlagsModule;
 import com.android.systemui.fragments.FragmentService;
+import com.android.systemui.keyboard.KeyboardModule;
 import com.android.systemui.keyguard.data.BouncerViewModule;
 import com.android.systemui.log.dagger.LogModule;
 import com.android.systemui.mediaprojection.appselector.MediaProjectionModule;
@@ -150,6 +151,7 @@ import dagger.Provides;
             SystemPropertiesFlagsModule.class,
             FooterActionsModule.class,
             GarbageMonitorModule.class,
+            KeyboardModule.class,
             LogModule.class,
             MediaProjectionModule.class,
             MotionToolModule.class,

packages/SystemUI/src/com/android/systemui/keyboard/KeyboardModule.kt

@@ -0,0 +1,22 @@
+/*
+ *  Copyright (C) 2023 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.systemui.keyboard
+
+import dagger.Module
+
+@Module abstract class KeyboardModule

packages/SystemUI/src/com/android/systemui/keyboard/PhysicalKeyboardCoreStartable.kt

@@ -0,0 +1,38 @@
+/*
+ *  Copyright (C) 2023 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.systemui.keyboard
+
+import com.android.systemui.CoreStartable
+import com.android.systemui.dagger.SysUISingleton
+import com.android.systemui.flags.FeatureFlags
+import com.android.systemui.flags.Flags
+import javax.inject.Inject
+
+/** A [CoreStartable] that launches components interested in physical keyboard interaction. */
+@SysUISingleton
+class PhysicalKeyboardCoreStartable
+@Inject
+constructor(
+    private val featureFlags: FeatureFlags,
+) : CoreStartable {
+    override fun start() {
+        if (featureFlags.isEnabled(Flags.KEYBOARD_BACKLIGHT_INDICATOR)) {
+            // TODO(b/268645743) start listening for keyboard backlight brightness
+        }
+    }
+}