Merge "Drive Launcher unfold animation from System UI" into tm-qpr-dev am: a8719c31a8

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21298222 Change-Id: I831a3d8dddbdc4451e53747c7f935840ad3ef4c5 Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>
2023-02-11 10:11:36 +00:00
parent a4364f3b4e a8719c31a8
commit 7fa4c627ac
14 changed files with 556 additions and 110 deletions
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/system/QuickStepContract.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/system/QuickStepContract.java
@@ -43,6 +43,7 @@ public class QuickStepContract {
    public static final String KEY_EXTRA_SYSUI_PROXY = "extra_sysui_proxy";
    public static final String KEY_EXTRA_WINDOW_CORNER_RADIUS = "extra_window_corner_radius";
    public static final String KEY_EXTRA_SUPPORTS_WINDOW_CORNERS = "extra_supports_window_corners";
+    public static final String KEY_EXTRA_UNFOLD_ANIMATION_FORWARDER = "extra_unfold_animation";
    // See ISysuiUnlockAnimationController.aidl
    public static final String KEY_EXTRA_UNLOCK_ANIMATION_CONTROLLER = "unlock_animation";

--- a/packages/SystemUI/src/com/android/systemui/dagger/SysUIComponent.java
+++ b/packages/SystemUI/src/com/android/systemui/dagger/SysUIComponent.java
@@ -35,6 +35,8 @@ import com.android.systemui.unfold.FoldStateLogger;
 import com.android.systemui.unfold.FoldStateLoggingProvider;
 import com.android.systemui.unfold.SysUIUnfoldComponent;
 import com.android.systemui.unfold.UnfoldLatencyTracker;
+import com.android.systemui.unfold.UnfoldTransitionProgressProvider;
+import com.android.systemui.unfold.progress.UnfoldTransitionProgressForwarder;
 import com.android.systemui.unfold.util.NaturalRotationUnfoldProgressProvider;
 import com.android.wm.shell.TaskViewFactory;
 import com.android.wm.shell.back.BackAnimation;
@@ -137,6 +139,10 @@ public interface SysUIComponent {
        getUnfoldLatencyTracker().init();
        getFoldStateLoggingProvider().ifPresent(FoldStateLoggingProvider::init);
        getFoldStateLogger().ifPresent(FoldStateLogger::init);
+        getUnfoldTransitionProgressProvider().ifPresent((progressProvider) ->
+                getUnfoldTransitionProgressForwarder().ifPresent((forwarder) ->
+                        progressProvider.addCallback(forwarder)
+                ));
    }

    /**
@@ -163,6 +169,18 @@ public interface SysUIComponent {
    @SysUISingleton
    UnfoldLatencyTracker getUnfoldLatencyTracker();

+    /**
+     * Creates a UnfoldTransitionProgressProvider.
+     */
+    @SysUISingleton
+    Optional<UnfoldTransitionProgressProvider> getUnfoldTransitionProgressProvider();
+
+    /**
+     * Creates a UnfoldTransitionProgressForwarder.
+     */
+    @SysUISingleton
+    Optional<UnfoldTransitionProgressForwarder> getUnfoldTransitionProgressForwarder();
+
    /**
     * Creates a FoldStateLoggingProvider.
     */
--- a/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java
+++ b/packages/SystemUI/src/com/android/systemui/recents/OverviewProxyService.java
@@ -25,6 +25,7 @@ import static android.view.WindowManagerPolicyConstants.NAV_BAR_MODE_3BUTTON;
 import static com.android.internal.accessibility.common.ShortcutConstants.CHOOSER_PACKAGE_NAME;
 import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SUPPORTS_WINDOW_CORNERS;
 import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_SYSUI_PROXY;
+import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_UNFOLD_ANIMATION_FORWARDER;
 import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_UNLOCK_ANIMATION_CONTROLLER;
 import static com.android.systemui.shared.system.QuickStepContract.KEY_EXTRA_WINDOW_CORNER_RADIUS;
 import static com.android.systemui.shared.system.QuickStepContract.SYSUI_STATE_BOUNCER_SHOWING;
@@ -99,6 +100,7 @@ import com.android.systemui.statusbar.NotificationShadeWindowController;
 import com.android.systemui.statusbar.phone.CentralSurfaces;
 import com.android.systemui.statusbar.phone.StatusBarWindowCallback;
 import com.android.systemui.statusbar.policy.CallbackController;
+import com.android.systemui.unfold.progress.UnfoldTransitionProgressForwarder;
 import com.android.wm.shell.sysui.ShellInterface;

 import java.io.PrintWriter;
@@ -144,6 +146,7 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
    private final CommandQueue mCommandQueue;
    private final UserTracker mUserTracker;
    private final KeyguardUnlockAnimationController mSysuiUnlockAnimationController;
+    private final Optional<UnfoldTransitionProgressForwarder> mUnfoldTransitionProgressForwarder;
    private final UiEventLogger mUiEventLogger;
    private final DisplayTracker mDisplayTracker;

@@ -415,6 +418,10 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
            params.putBoolean(KEY_EXTRA_SUPPORTS_WINDOW_CORNERS, mSupportsRoundedCornersOnWindows);
            params.putBinder(KEY_EXTRA_UNLOCK_ANIMATION_CONTROLLER,
                    mSysuiUnlockAnimationController.asBinder());
+            mUnfoldTransitionProgressForwarder.ifPresent(
+                    unfoldProgressForwarder -> params.putBinder(
+                            KEY_EXTRA_UNFOLD_ANIMATION_FORWARDER,
+                            unfoldProgressForwarder.asBinder()));
            // Add all the interfaces exposed by the shell
            mShellInterface.createExternalInterfaces(params);

@@ -512,7 +519,9 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
            DisplayTracker displayTracker,
            KeyguardUnlockAnimationController sysuiUnlockAnimationController,
            AssistUtils assistUtils,
-            DumpManager dumpManager) {
+            DumpManager dumpManager,
+            Optional<UnfoldTransitionProgressForwarder> unfoldTransitionProgressForwarder
+    ) {
        // b/241601880: This component shouldn't be running for a non-primary user
        if (!Process.myUserHandle().equals(UserHandle.SYSTEM)) {
            Log.e(TAG_OPS, "Unexpected initialization for non-primary user", new Throwable());
@@ -538,6 +547,7 @@ public class OverviewProxyService implements CallbackController<OverviewProxyLis
        mSysUiState.addCallback(this::notifySystemUiStateFlags);
        mUiEventLogger = uiEventLogger;
        mDisplayTracker = displayTracker;
+        mUnfoldTransitionProgressForwarder = unfoldTransitionProgressForwarder;

        dumpManager.registerDumpable(getClass().getSimpleName(), this);

--- a/packages/SystemUI/tests/src/com/android/systemui/unfold/progress/PhysicsBasedUnfoldTransitionProgressProviderTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/unfold/progress/PhysicsBasedUnfoldTransitionProgressProviderTest.kt
@@ -20,17 +20,13 @@ import androidx.test.filters.SmallTest
 import androidx.test.platform.app.InstrumentationRegistry
 import com.android.systemui.SysuiTestCase
 import com.android.systemui.unfold.UnfoldTransitionProgressProvider
-import com.android.systemui.unfold.UnfoldTransitionProgressProvider.TransitionProgressListener
-import com.android.systemui.unfold.updates.FOLD_UPDATE_START_OPENING
-import com.android.systemui.unfold.updates.FOLD_UPDATE_UNFOLDED_SCREEN_AVAILABLE
+import com.android.systemui.unfold.updates.FOLD_UPDATE_FINISH_CLOSED
 import com.android.systemui.unfold.updates.FOLD_UPDATE_FINISH_FULL_OPEN
 import com.android.systemui.unfold.updates.FOLD_UPDATE_FINISH_HALF_OPEN
 import com.android.systemui.unfold.updates.FOLD_UPDATE_START_CLOSING
-import com.android.systemui.unfold.updates.FOLD_UPDATE_FINISH_CLOSED
+import com.android.systemui.unfold.updates.FOLD_UPDATE_START_OPENING
+import com.android.systemui.unfold.updates.FOLD_UPDATE_UNFOLDED_SCREEN_AVAILABLE
 import com.android.systemui.unfold.util.TestFoldStateProvider
-import com.android.systemui.util.leak.ReferenceTestUtils.waitForCondition
-import com.google.common.truth.Truth.assertThat
-import com.google.common.truth.Truth.assertWithMessage
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -45,9 +41,7 @@ class PhysicsBasedUnfoldTransitionProgressProviderTest : SysuiTestCase() {

    @Before
    fun setUp() {
-        progressProvider = PhysicsBasedUnfoldTransitionProgressProvider(
-            foldStateProvider
-        )
+        progressProvider = PhysicsBasedUnfoldTransitionProgressProvider(foldStateProvider)
        progressProvider.addCallback(listener)
    }

@@ -79,9 +73,7 @@ class PhysicsBasedUnfoldTransitionProgressProviderTest : SysuiTestCase() {
            { foldStateProvider.sendFoldUpdate(FOLD_UPDATE_FINISH_FULL_OPEN) },
        )

-        with(listener.ensureTransitionFinished()) {
-            assertHasSingleFinishingEvent()
-        }
+        with(listener.ensureTransitionFinished()) { assertHasSingleFinishingEvent() }
    }

    @Test
@@ -150,106 +142,12 @@ class PhysicsBasedUnfoldTransitionProgressProviderTest : SysuiTestCase() {
            { foldStateProvider.sendFoldUpdate(FOLD_UPDATE_FINISH_CLOSED) },
        )

-        with(listener.ensureTransitionFinished()) {
-            assertHasFoldAnimationAtTheEnd()
-        }
-    }
-
-    private class TestUnfoldProgressListener : TransitionProgressListener {
-
-        private val recordings: MutableList<UnfoldTransitionRecording> = arrayListOf()
-        private var currentRecording: UnfoldTransitionRecording? = null
-
-        override fun onTransitionStarted() {
-            assertWithMessage("Trying to start a transition when it is already in progress")
-                .that(currentRecording).isNull()
-
-            currentRecording = UnfoldTransitionRecording()
-        }
-
-        override fun onTransitionProgress(progress: Float) {
-            assertWithMessage("Received transition progress event when it's not started")
-                .that(currentRecording).isNotNull()
-            currentRecording!!.addProgress(progress)
-        }
-
-        override fun onTransitionFinishing() {
-            assertWithMessage("Received transition finishing event when it's not started")
-                    .that(currentRecording).isNotNull()
-            currentRecording!!.onFinishing()
-        }
-
-        override fun onTransitionFinished() {
-            assertWithMessage("Received transition finish event when it's not started")
-                .that(currentRecording).isNotNull()
-            recordings += currentRecording!!
-            currentRecording = null
-        }
-
-        fun ensureTransitionFinished(): UnfoldTransitionRecording {
-            waitForCondition { recordings.size == 1 }
-            return recordings.first()
-        }
-
-        class UnfoldTransitionRecording {
-            private val progressHistory: MutableList<Float> = arrayListOf()
-            private var finishingInvocations: Int = 0
-
-            fun addProgress(progress: Float) {
-                assertThat(progress).isAtMost(1.0f)
-                assertThat(progress).isAtLeast(0.0f)
-
-                progressHistory += progress
-            }
-
-            fun onFinishing() {
-                finishingInvocations++
-            }
-
-            fun assertIncreasingProgress() {
-                assertThat(progressHistory.size).isGreaterThan(MIN_ANIMATION_EVENTS)
-                assertThat(progressHistory).isInOrder()
-            }
-
-            fun assertDecreasingProgress() {
-                assertThat(progressHistory.size).isGreaterThan(MIN_ANIMATION_EVENTS)
-                assertThat(progressHistory).isInOrder(Comparator.reverseOrder<Float>())
-            }
-
-            fun assertFinishedWithUnfold() {
-                assertThat(progressHistory).isNotEmpty()
-                assertThat(progressHistory.last()).isEqualTo(1.0f)
-            }
-
-            fun assertFinishedWithFold() {
-                assertThat(progressHistory).isNotEmpty()
-                assertThat(progressHistory.last()).isEqualTo(0.0f)
-            }
-
-            fun assertHasFoldAnimationAtTheEnd() {
-                // Check that there are at least a few decreasing events at the end
-                assertThat(progressHistory.size).isGreaterThan(MIN_ANIMATION_EVENTS)
-                assertThat(progressHistory.takeLast(MIN_ANIMATION_EVENTS))
-                    .isInOrder(Comparator.reverseOrder<Float>())
-                assertThat(progressHistory.last()).isEqualTo(0.0f)
-            }
-
-            fun assertHasSingleFinishingEvent() {
-                assertWithMessage("onTransitionFinishing callback should be invoked exactly " +
-                        "one time").that(finishingInvocations).isEqualTo(1)
-            }
-        }
-
-        private companion object {
-            private const val MIN_ANIMATION_EVENTS = 5
-        }
+        with(listener.ensureTransitionFinished()) { assertHasFoldAnimationAtTheEnd() }
    }

    private fun runOnMainThreadWithInterval(vararg blocks: () -> Unit, intervalMillis: Long = 60) {
        blocks.forEach {
-            InstrumentationRegistry.getInstrumentation().runOnMainSync {
-                it()
-            }
+            InstrumentationRegistry.getInstrumentation().runOnMainSync { it() }
            Thread.sleep(intervalMillis)
        }
    }
--- a/packages/SystemUI/tests/src/com/android/systemui/unfold/progress/RemoteUnfoldTransitionReceiverTest.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/unfold/progress/RemoteUnfoldTransitionReceiverTest.kt
@@ -0,0 +1,72 @@
+/*
+ * 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.unfold.progress
+
+import android.testing.AndroidTestingRunner
+import androidx.test.filters.SmallTest
+import com.android.systemui.SysuiTestCase
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+
+@RunWith(AndroidTestingRunner::class)
+@SmallTest
+class RemoteUnfoldTransitionReceiverTest : SysuiTestCase() {
+
+    private val progressProvider = RemoteUnfoldTransitionReceiver { it.run() }
+    private val listener = TestUnfoldProgressListener()
+
+    @Before
+    fun setUp() {
+        progressProvider.addCallback(listener)
+    }
+
+    @Test
+    fun onTransitionStarted_propagated() {
+        progressProvider.onTransitionStarted()
+
+        listener.assertStarted()
+    }
+
+    @Test
+    fun onTransitionProgress_propagated() {
+        progressProvider.onTransitionStarted()
+
+        progressProvider.onTransitionProgress(0.5f)
+
+        listener.assertLastProgress(0.5f)
+    }
+
+    @Test
+    fun onTransitionEnded_propagated() {
+        progressProvider.onTransitionStarted()
+        progressProvider.onTransitionProgress(0.5f)
+
+        progressProvider.onTransitionFinished()
+
+        listener.ensureTransitionFinished()
+    }
+
+    @Test
+    fun onTransitionStarted_afterCallbackRemoved_notPropagated() {
+        progressProvider.removeCallback(listener)
+
+        progressProvider.onTransitionStarted()
+
+        listener.assertNotStarted()
+    }
+}
--- a/packages/SystemUI/tests/src/com/android/systemui/unfold/progress/TestUnfoldProgressListener.kt
+++ b/packages/SystemUI/tests/src/com/android/systemui/unfold/progress/TestUnfoldProgressListener.kt
@@ -0,0 +1,136 @@
+/*
+ * 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.unfold.progress
+
+import com.android.systemui.unfold.UnfoldTransitionProgressProvider
+import com.android.systemui.util.leak.ReferenceTestUtils.waitForCondition
+import com.google.common.truth.Truth.assertThat
+import com.google.common.truth.Truth.assertWithMessage
+
+/** Listener usable by tests with some handy assertions. */
+class TestUnfoldProgressListener : UnfoldTransitionProgressProvider.TransitionProgressListener {
+
+    private val recordings: MutableList<UnfoldTransitionRecording> = arrayListOf()
+    private var currentRecording: UnfoldTransitionRecording? = null
+
+    override fun onTransitionStarted() {
+        assertWithMessage("Trying to start a transition when it is already in progress")
+            .that(currentRecording)
+            .isNull()
+
+        currentRecording = UnfoldTransitionRecording()
+    }
+
+    override fun onTransitionProgress(progress: Float) {
+        assertWithMessage("Received transition progress event when it's not started")
+            .that(currentRecording)
+            .isNotNull()
+        currentRecording!!.addProgress(progress)
+    }
+
+    override fun onTransitionFinishing() {
+        assertWithMessage("Received transition finishing event when it's not started")
+            .that(currentRecording)
+            .isNotNull()
+        currentRecording!!.onFinishing()
+    }
+
+    override fun onTransitionFinished() {
+        assertWithMessage("Received transition finish event when it's not started")
+            .that(currentRecording)
+            .isNotNull()
+        recordings += currentRecording!!
+        currentRecording = null
+    }
+
+    fun ensureTransitionFinished(): UnfoldTransitionRecording {
+        waitForCondition { recordings.size == 1 }
+        return recordings.first()
+    }
+
+    fun assertStarted() {
+        assertWithMessage("Transition didn't start").that(currentRecording).isNotNull()
+    }
+
+    fun assertNotStarted() {
+        assertWithMessage("Transition started").that(currentRecording).isNull()
+    }
+
+    fun assertLastProgress(progress: Float) {
+        currentRecording?.assertLastProgress(progress) ?: error("unfold not in progress.")
+    }
+
+    class UnfoldTransitionRecording {
+        private val progressHistory: MutableList<Float> = arrayListOf()
+        private var finishingInvocations: Int = 0
+
+        fun addProgress(progress: Float) {
+            assertThat(progress).isAtMost(1.0f)
+            assertThat(progress).isAtLeast(0.0f)
+
+            progressHistory += progress
+        }
+
+        fun onFinishing() {
+            finishingInvocations++
+        }
+
+        fun assertIncreasingProgress() {
+            assertThat(progressHistory.size).isGreaterThan(MIN_ANIMATION_EVENTS)
+            assertThat(progressHistory).isInOrder()
+        }
+
+        fun assertDecreasingProgress() {
+            assertThat(progressHistory.size).isGreaterThan(MIN_ANIMATION_EVENTS)
+            assertThat(progressHistory).isInOrder(Comparator.reverseOrder<Float>())
+        }
+
+        fun assertFinishedWithUnfold() {
+            assertThat(progressHistory).isNotEmpty()
+            assertThat(progressHistory.last()).isEqualTo(1.0f)
+        }
+
+        fun assertFinishedWithFold() {
+            assertThat(progressHistory).isNotEmpty()
+            assertThat(progressHistory.last()).isEqualTo(0.0f)
+        }
+
+        fun assertHasFoldAnimationAtTheEnd() {
+            // Check that there are at least a few decreasing events at the end
+            assertThat(progressHistory.size).isGreaterThan(MIN_ANIMATION_EVENTS)
+            assertThat(progressHistory.takeLast(MIN_ANIMATION_EVENTS))
+                .isInOrder(Comparator.reverseOrder<Float>())
+            assertThat(progressHistory.last()).isEqualTo(0.0f)
+        }
+
+        fun assertHasSingleFinishingEvent() {
+            assertWithMessage(
+                    "onTransitionFinishing callback should be invoked exactly " + "one time"
+                )
+                .that(finishingInvocations)
+                .isEqualTo(1)
+        }
+
+        fun assertLastProgress(progress: Float) {
+            assertThat(progressHistory.last()).isEqualTo(progress)
+        }
+    }
+
+    private companion object {
+        private const val MIN_ANIMATION_EVENTS = 5
+    }
+}
--- a/packages/SystemUI/unfold/src/com/android/systemui/unfold/UnfoldRemoteModule.kt
+++ b/packages/SystemUI/unfold/src/com/android/systemui/unfold/UnfoldRemoteModule.kt
@@ -0,0 +1,45 @@
+/*
+ * 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.unfold
+
+import com.android.systemui.unfold.config.UnfoldTransitionConfig
+import com.android.systemui.unfold.progress.RemoteUnfoldTransitionReceiver
+import com.android.systemui.unfold.util.ATraceLoggerTransitionProgressListener
+import dagger.Module
+import dagger.Provides
+import java.util.Optional
+import javax.inject.Provider
+import javax.inject.Singleton
+
+/** Binds classes needed to provide unfold transition progresses to another process. */
+@Module
+class UnfoldRemoteModule {
+    @Provides
+    @Singleton
+    fun provideTransitionProvider(
+        config: UnfoldTransitionConfig,
+        traceListener: ATraceLoggerTransitionProgressListener,
+        remoteReceiverProvider: Provider<RemoteUnfoldTransitionReceiver>,
+    ): Optional<RemoteUnfoldTransitionReceiver> {
+        if (!config.isEnabled) {
+            return Optional.empty()
+        }
+        val remoteReceiver = remoteReceiverProvider.get()
+        remoteReceiver.addCallback(traceListener)
+        return Optional.of(remoteReceiver)
+    }
+}
--- a/packages/SystemUI/unfold/src/com/android/systemui/unfold/UnfoldSharedComponent.kt
+++ b/packages/SystemUI/unfold/src/com/android/systemui/unfold/UnfoldSharedComponent.kt
@@ -24,6 +24,7 @@ import android.view.IWindowManager
 import com.android.systemui.unfold.config.UnfoldTransitionConfig
 import com.android.systemui.unfold.dagger.UnfoldMain
 import com.android.systemui.unfold.dagger.UnfoldSingleThreadBg
+import com.android.systemui.unfold.progress.RemoteUnfoldTransitionReceiver
 import com.android.systemui.unfold.updates.FoldProvider
 import com.android.systemui.unfold.updates.RotationChangeProvider
 import com.android.systemui.unfold.updates.screen.ScreenStatusProvider
@@ -68,3 +69,38 @@ interface UnfoldSharedComponent {
    val unfoldTransitionProvider: Optional<UnfoldTransitionProgressProvider>
    val rotationChangeProvider: RotationChangeProvider
 }
+
+/**
+ * Generates a [RemoteTransitionProgress] usable to receive unfold transition progress from another
+ * process.
+ */
+@Singleton
+@Component(modules = [UnfoldRemoteModule::class])
+interface RemoteUnfoldSharedComponent {
+
+    @Component.Factory
+    interface Factory {
+        fun create(
+            @BindsInstance context: Context,
+            @BindsInstance config: UnfoldTransitionConfig,
+            @BindsInstance @UnfoldMain executor: Executor,
+            @BindsInstance @UnfoldSingleThreadBg singleThreadBgExecutor: Executor,
+            @BindsInstance windowManager: IWindowManager,
+            @BindsInstance @UnfoldTransitionATracePrefix tracingTagPrefix: String,
+        ): RemoteUnfoldSharedComponent
+    }
+
+    val remoteTransitionProgress: Optional<RemoteUnfoldTransitionReceiver>
+    val rotationChangeProvider: RotationChangeProvider
+}
+
+/**
+ * Usable to receive and propagate unfold transition progresses
+ *
+ * All unfold events received by [remoteReceiver] will be propagated to [localProvider].
+ * [remoteReceiver] is meant to receive events from a remote process (E.g. from a binder service).
+ */
+data class RemoteTransitionProgress(
+    val localProvider: UnfoldTransitionProgressProvider,
+    val remoteReceiver: UnfoldTransitionProgressProvider.TransitionProgressListener
+)
--- a/packages/SystemUI/unfold/src/com/android/systemui/unfold/UnfoldSharedModule.kt
+++ b/packages/SystemUI/unfold/src/com/android/systemui/unfold/UnfoldSharedModule.kt
@@ -19,6 +19,7 @@ package com.android.systemui.unfold
 import com.android.systemui.unfold.config.UnfoldTransitionConfig
 import com.android.systemui.unfold.progress.FixedTimingTransitionProgressProvider
 import com.android.systemui.unfold.progress.PhysicsBasedUnfoldTransitionProgressProvider
+import com.android.systemui.unfold.progress.UnfoldTransitionProgressForwarder
 import com.android.systemui.unfold.updates.DeviceFoldStateProvider
 import com.android.systemui.unfold.updates.FoldStateProvider
 import com.android.systemui.unfold.updates.hinge.EmptyHingeAngleProvider
@@ -102,4 +103,16 @@ internal class UnfoldSharedInternalModule {
            EmptyHingeAngleProvider
        }
    }
+
+    @Provides
+    @Singleton
+    fun provideProgressForwarder(
+            config: UnfoldTransitionConfig,
+            progressForwarder: Provider<UnfoldTransitionProgressForwarder>
+    ): Optional<UnfoldTransitionProgressForwarder> {
+        if (!config.isEnabled) {
+            return Optional.empty()
+        }
+        return Optional.of(progressForwarder.get())
+    }
 }
--- a/packages/SystemUI/unfold/src/com/android/systemui/unfold/UnfoldTransitionFactory.kt
+++ b/packages/SystemUI/unfold/src/com/android/systemui/unfold/UnfoldTransitionFactory.kt
@@ -63,3 +63,26 @@ fun createUnfoldSharedComponent(
                        tracingTagPrefix,
                        windowManager,
                )
+
+/**
+ * Factory for [RemoteUnfoldSharedComponent].
+ *
+ * Wraps [DaggerRemoteUnfoldSharedComponent] (that is autogenerated), for better discoverability.
+ */
+fun createRemoteUnfoldSharedComponent(
+        context: Context,
+        config: UnfoldTransitionConfig,
+        mainExecutor: Executor,
+        singleThreadBgExecutor: Executor,
+        tracingTagPrefix: String,
+        windowManager: IWindowManager,
+        ): RemoteUnfoldSharedComponent =
+        DaggerRemoteUnfoldSharedComponent.factory()
+                .create(
+                        context,
+                        config,
+                        mainExecutor,
+                        singleThreadBgExecutor,
+                        windowManager,
+                        tracingTagPrefix,
+                )
--- a/packages/SystemUI/unfold/src/com/android/systemui/unfold/progress/IUnfoldAnimation.aidl
+++ b/packages/SystemUI/unfold/src/com/android/systemui/unfold/progress/IUnfoldAnimation.aidl
@@ -0,0 +1,34 @@
+/*
+ * 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.unfold.progress;
+
+
+import com.android.systemui.unfold.progress.IUnfoldTransitionListener;
+
+
+/**
+ * Interface exposed by System UI to allow remote process to register for unfold animation events.
+ */
+oneway interface IUnfoldAnimation {
+
+    /**
+     * Sets a listener for the animation.
+     *
+     * Only one listener is supported. If there are multiple, the earlier one will be overridden.
+     */
+    void setListener(in IUnfoldTransitionListener listener);
+}
--- a/packages/SystemUI/unfold/src/com/android/systemui/unfold/progress/IUnfoldTransitionListener.aidl
+++ b/packages/SystemUI/unfold/src/com/android/systemui/unfold/progress/IUnfoldTransitionListener.aidl
@@ -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.unfold.progress;
+
+
+/**
+ * Implemented by remote processes to receive unfold animation events from System UI.
+ */
+oneway interface IUnfoldTransitionListener {
+    /**
+    * Sent when unfold animation started.
+    */
+    void onTransitionStarted() = 1;
+
+    /**
+    * Sent when unfold animation progress changes.
+    */
+    void onTransitionProgress(float progress) = 2;
+
+    /**
+    * Sent when unfold animation finished.
+    */
+    void onTransitionFinished() = 3;
+}
--- a/packages/SystemUI/unfold/src/com/android/systemui/unfold/progress/RemoteUnfoldTransitionReceiver.kt
+++ b/packages/SystemUI/unfold/src/com/android/systemui/unfold/progress/RemoteUnfoldTransitionReceiver.kt
@@ -0,0 +1,61 @@
+/*
+ * 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.unfold.progress
+
+import com.android.systemui.unfold.UnfoldTransitionProgressProvider
+import com.android.systemui.unfold.UnfoldTransitionProgressProvider.TransitionProgressListener
+import com.android.systemui.unfold.dagger.UnfoldMain
+import java.util.concurrent.Executor
+import javax.inject.Inject
+
+/**
+ * Receives unfold events from remote senders (System UI).
+ *
+ * A binder to an instance to this class (created with [RemoteUnfoldTransitionReceiver.asBinder])
+ * should be sent to the remote process providing events.
+ */
+class RemoteUnfoldTransitionReceiver
+@Inject
+constructor(@UnfoldMain private val executor: Executor) :
+    UnfoldTransitionProgressProvider, IUnfoldTransitionListener.Stub() {
+
+    private val listeners: MutableSet<TransitionProgressListener> = mutableSetOf()
+
+    override fun onTransitionStarted() {
+        executor.execute { listeners.forEach { it.onTransitionStarted() } }
+    }
+
+    override fun onTransitionProgress(progress: Float) {
+        executor.execute { listeners.forEach { it.onTransitionProgress(progress) } }
+    }
+
+    override fun onTransitionFinished() {
+        executor.execute { listeners.forEach { it.onTransitionFinished() } }
+    }
+
+    override fun addCallback(listener: TransitionProgressListener) {
+        listeners += listener
+    }
+
+    override fun removeCallback(listener: TransitionProgressListener) {
+        listeners -= listener
+    }
+
+    override fun destroy() {
+        listeners.clear()
+    }
+}
--- a/packages/SystemUI/unfold/src/com/android/systemui/unfold/progress/UnfoldTransitionProgressForwarder.kt
+++ b/packages/SystemUI/unfold/src/com/android/systemui/unfold/progress/UnfoldTransitionProgressForwarder.kt
@@ -0,0 +1,61 @@
+/*
+ * 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.unfold.progress
+
+import android.os.RemoteException
+import android.util.Log
+import com.android.systemui.unfold.UnfoldTransitionProgressProvider.TransitionProgressListener
+import javax.inject.Inject
+
+/** Forwards received unfold events to [remoteListener], when present. */
+class UnfoldTransitionProgressForwarder @Inject constructor() :
+    TransitionProgressListener, IUnfoldAnimation.Stub() {
+
+    private var remoteListener: IUnfoldTransitionListener? = null
+
+    override fun onTransitionStarted() {
+        try {
+            Log.d(TAG, "onTransitionStarted")
+            remoteListener?.onTransitionStarted()
+        } catch (e: RemoteException) {
+            Log.e(TAG, "Failed call onTransitionStarted", e)
+        }
+    }
+
+    override fun onTransitionFinished() {
+        try {
+            Log.d(TAG, "onTransitionFinished")
+            remoteListener?.onTransitionFinished()
+        } catch (e: RemoteException) {
+            Log.e(TAG, "Failed call onTransitionFinished", e)
+        }
+    }
+
+    override fun onTransitionProgress(progress: Float) {
+        try {
+            remoteListener?.onTransitionProgress(progress)
+        } catch (e: RemoteException) {
+            Log.e(TAG, "Failed call onTransitionProgress", e)
+        }
+    }
+
+    override fun setListener(listener: IUnfoldTransitionListener?) {
+        remoteListener = listener
+    }
+
+    companion object {
+        private val TAG = UnfoldTransitionProgressForwarder::class.java.simpleName
+    }
+}