Merge changes from topic "multiple-picture-listeners" into main

* changes:
  Add additional ActivePictureTracker test coverage and rename tests
  Support multiple active picture listeners
  Rename of ActivePictureUpdater to ActivePictureTracker
diff --git a/METADATA b/METADATA
index d97975c..86892cd 100644
--- a/METADATA
+++ b/METADATA
@@ -1,3 +1,3 @@
-third_party {
+ third_party {
   license_type: NOTICE
 }
diff --git a/libs/gui/SurfaceComposerClient.cpp b/libs/gui/SurfaceComposerClient.cpp
index be88b11..cabde22 100644
--- a/libs/gui/SurfaceComposerClient.cpp
+++ b/libs/gui/SurfaceComposerClient.cpp
@@ -3293,10 +3293,17 @@
     return statusTFromBinderStatus(status);
 }
 
-status_t SurfaceComposerClient::setActivePictureListener(
+status_t SurfaceComposerClient::addActivePictureListener(
         const sp<gui::IActivePictureListener>& listener) {
     binder::Status status =
-            ComposerServiceAIDL::getComposerService()->setActivePictureListener(listener);
+            ComposerServiceAIDL::getComposerService()->addActivePictureListener(listener);
+    return statusTFromBinderStatus(status);
+}
+
+status_t SurfaceComposerClient::removeActivePictureListener(
+        const sp<gui::IActivePictureListener>& listener) {
+    binder::Status status =
+            ComposerServiceAIDL::getComposerService()->removeActivePictureListener(listener);
     return statusTFromBinderStatus(status);
 }
 
diff --git a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
index 8c19bbb..da47ee2 100644
--- a/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
+++ b/libs/gui/aidl/android/gui/ISurfaceComposer.aidl
@@ -607,8 +607,14 @@
     oneway void removeJankListener(int layerId, IJankListener listener, long afterVsync);
 
     /**
-     * Sets the listener used to monitor visible content that is being processed with picture
+     * Adds a listener used to monitor visible content that is being processed with picture
      * profiles.
      */
-    oneway void setActivePictureListener(IActivePictureListener listener);
+    oneway void addActivePictureListener(IActivePictureListener listener);
+
+    /**
+     * Removes a listener used to monitor visible content that is being processed with picture
+     * profiles.
+     */
+    oneway void removeActivePictureListener(IActivePictureListener listener);
 }
diff --git a/libs/gui/include/gui/SurfaceComposerClient.h b/libs/gui/include/gui/SurfaceComposerClient.h
index 0ce0c0a..0f66c8b 100644
--- a/libs/gui/include/gui/SurfaceComposerClient.h
+++ b/libs/gui/include/gui/SurfaceComposerClient.h
@@ -298,7 +298,9 @@
     static status_t removeHdrLayerInfoListener(const sp<IBinder>& displayToken,
                                                const sp<gui::IHdrLayerInfoListener>& listener);
 
-    static status_t setActivePictureListener(const sp<gui::IActivePictureListener>& listener);
+    static status_t addActivePictureListener(const sp<gui::IActivePictureListener>& listener);
+
+    static status_t removeActivePictureListener(const sp<gui::IActivePictureListener>& listener);
 
     /*
      * Sends a power boost to the composer. This function is asynchronous.
diff --git a/libs/gui/tests/Surface_test.cpp b/libs/gui/tests/Surface_test.cpp
index 76362ff..3185778 100644
--- a/libs/gui/tests/Surface_test.cpp
+++ b/libs/gui/tests/Surface_test.cpp
@@ -1016,7 +1016,11 @@
         return binder::Status::ok();
     }
 
-    binder::Status setActivePictureListener(const sp<gui::IActivePictureListener>&) {
+    binder::Status addActivePictureListener(const sp<gui::IActivePictureListener>&) {
+        return binder::Status::ok();
+    }
+
+    binder::Status removeActivePictureListener(const sp<gui::IActivePictureListener>&) {
         return binder::Status::ok();
     }
 
diff --git a/services/surfaceflinger/ActivePictureTracker.cpp b/services/surfaceflinger/ActivePictureTracker.cpp
new file mode 100644
index 0000000..4e6fa66
--- /dev/null
+++ b/services/surfaceflinger/ActivePictureTracker.cpp
@@ -0,0 +1,106 @@
+/*
+ * Copyright 2024 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.
+ */
+
+#include "ActivePictureTracker.h"
+
+#include <algorithm>
+
+#include "Layer.h"
+#include "LayerFE.h"
+
+namespace android {
+
+using gui::ActivePicture;
+using gui::IActivePictureListener;
+
+void ActivePictureTracker::onLayerComposed(const Layer& layer, const LayerFE& layerFE,
+                                           const CompositionResult& result) {
+    if (result.wasPictureProfileCommitted) {
+        gui::ActivePicture picture;
+        picture.layerId = int32_t(layer.sequence);
+        picture.ownerUid = int32_t(layer.getOwnerUid());
+        // TODO(b/337330263): Why does LayerFE coming from SF have a null composition state?
+        if (layerFE.getCompositionState()) {
+            picture.pictureProfileId = layerFE.getCompositionState()->pictureProfileHandle.getId();
+        } else {
+            picture.pictureProfileId = result.pictureProfileHandle.getId();
+        }
+        mNewActivePictures.push_back(picture);
+    }
+}
+
+void ActivePictureTracker::updateAndNotifyListeners(const Listeners& listenersToAdd,
+                                                    const Listeners& listenersToRemove) {
+    Listeners newListeners = updateListeners(listenersToAdd, listenersToRemove);
+    if (updateAndHasChanged()) {
+        for (auto listener : mListeners) {
+            listener->onActivePicturesChanged(getActivePictures());
+        }
+    } else {
+        for (auto listener : newListeners) {
+            listener->onActivePicturesChanged(getActivePictures());
+        }
+    }
+}
+
+ActivePictureTracker::Listeners ActivePictureTracker::updateListeners(
+        const Listeners& listenersToAdd, const Listeners& listenersToRemove) {
+    Listeners newListeners;
+    for (auto listener : listenersToRemove) {
+        std::erase_if(mListeners, [listener](const sp<IActivePictureListener>& otherListener) {
+            return IInterface::asBinder(listener) == IInterface::asBinder(otherListener);
+        });
+    }
+    for (auto listener : listenersToAdd) {
+        if (std::find_if(mListeners.begin(), mListeners.end(),
+                         [listener](const sp<IActivePictureListener>& otherListener) {
+                             return IInterface::asBinder(listener) ==
+                                     IInterface::asBinder(otherListener);
+                         }) == mListeners.end()) {
+            newListeners.push_back(listener);
+        }
+    }
+    for (auto listener : newListeners) {
+        mListeners.push_back(listener);
+    }
+    return newListeners;
+}
+
+bool ActivePictureTracker::updateAndHasChanged() {
+    bool hasChanged = true;
+    if (mNewActivePictures.size() == mOldActivePictures.size()) {
+        auto compare = [](const ActivePicture& lhs, const ActivePicture& rhs) -> int {
+            if (lhs.layerId == rhs.layerId) {
+                return lhs.pictureProfileId < rhs.pictureProfileId;
+            }
+            return lhs.layerId < rhs.layerId;
+        };
+        std::sort(mNewActivePictures.begin(), mNewActivePictures.end(), compare);
+        if (std::equal(mNewActivePictures.begin(), mNewActivePictures.end(),
+                       mOldActivePictures.begin())) {
+            hasChanged = false;
+        }
+    }
+    std::swap(mOldActivePictures, mNewActivePictures);
+    mNewActivePictures.resize(0);
+    return hasChanged;
+}
+
+const std::vector<ActivePicture>& ActivePictureTracker::getActivePictures() const {
+    return mOldActivePictures;
+}
+
+} // namespace android
diff --git a/services/surfaceflinger/ActivePictureUpdater.h b/services/surfaceflinger/ActivePictureTracker.h
similarity index 76%
rename from services/surfaceflinger/ActivePictureUpdater.h
rename to services/surfaceflinger/ActivePictureTracker.h
index 20779bb..cb319a5 100644
--- a/services/surfaceflinger/ActivePictureUpdater.h
+++ b/services/surfaceflinger/ActivePictureTracker.h
@@ -19,6 +19,7 @@
 #include <vector>
 
 #include <android/gui/ActivePicture.h>
+#include <android/gui/IActivePictureListener.h>
 
 namespace android {
 
@@ -27,21 +28,28 @@
 struct CompositionResult;
 
 // Keeps track of active pictures - layers that are undergoing picture processing.
-class ActivePictureUpdater {
+class ActivePictureTracker {
 public:
+    typedef std::vector<sp<gui::IActivePictureListener>> Listeners;
+
     // Called for each visible layer when SurfaceFlinger finishes composing.
     void onLayerComposed(const Layer& layer, const LayerFE& layerFE,
                          const CompositionResult& result);
 
     // Update internals and return whether the set of active pictures have changed.
-    bool updateAndHasChanged();
+    void updateAndNotifyListeners(const Listeners& activePictureListenersToAdd,
+                                  const Listeners& activePictureListenersToRemove);
 
     // The current set of active pictures.
     const std::vector<gui::ActivePicture>& getActivePictures() const;
 
 private:
+    Listeners updateListeners(const Listeners& listenersToAdd, const Listeners& listenersToRemove);
+    bool updateAndHasChanged();
+
     std::vector<gui::ActivePicture> mOldActivePictures;
     std::vector<gui::ActivePicture> mNewActivePictures;
+    Listeners mListeners;
 };
 
 } // namespace android
diff --git a/services/surfaceflinger/ActivePictureUpdater.cpp b/services/surfaceflinger/ActivePictureUpdater.cpp
deleted file mode 100644
index 210e948..0000000
--- a/services/surfaceflinger/ActivePictureUpdater.cpp
+++ /dev/null
@@ -1,66 +0,0 @@
-/*
- * Copyright 2024 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.
- */
-
-#include "ActivePictureUpdater.h"
-
-#include <algorithm>
-
-#include "Layer.h"
-#include "LayerFE.h"
-
-namespace android {
-
-void ActivePictureUpdater::onLayerComposed(const Layer& layer, const LayerFE& layerFE,
-                                           const CompositionResult& result) {
-    if (result.wasPictureProfileCommitted) {
-        gui::ActivePicture picture;
-        picture.layerId = int32_t(layer.sequence);
-        picture.ownerUid = int32_t(layer.getOwnerUid());
-        // TODO(b/337330263): Why does LayerFE coming from SF have a null composition state?
-        if (layerFE.getCompositionState()) {
-            picture.pictureProfileId = layerFE.getCompositionState()->pictureProfileHandle.getId();
-        } else {
-            picture.pictureProfileId = result.pictureProfileHandle.getId();
-        }
-        mNewActivePictures.push_back(picture);
-    }
-}
-
-bool ActivePictureUpdater::updateAndHasChanged() {
-    bool hasChanged = true;
-    if (mNewActivePictures.size() == mOldActivePictures.size()) {
-        auto compare = [](const gui::ActivePicture& lhs, const gui::ActivePicture& rhs) -> int {
-            if (lhs.layerId == rhs.layerId) {
-                return lhs.pictureProfileId < rhs.pictureProfileId;
-            }
-            return lhs.layerId < rhs.layerId;
-        };
-        std::sort(mNewActivePictures.begin(), mNewActivePictures.end(), compare);
-        if (std::equal(mNewActivePictures.begin(), mNewActivePictures.end(),
-                       mOldActivePictures.begin())) {
-            hasChanged = false;
-        }
-    }
-    std::swap(mOldActivePictures, mNewActivePictures);
-    mNewActivePictures.resize(0);
-    return hasChanged;
-}
-
-const std::vector<gui::ActivePicture>& ActivePictureUpdater::getActivePictures() const {
-    return mOldActivePictures;
-}
-
-} // namespace android
diff --git a/services/surfaceflinger/Android.bp b/services/surfaceflinger/Android.bp
index 7b90363..71c779e 100644
--- a/services/surfaceflinger/Android.bp
+++ b/services/surfaceflinger/Android.bp
@@ -198,7 +198,7 @@
     name: "libsurfaceflinger_sources",
     srcs: [
         ":libsurfaceflinger_backend_sources",
-        "ActivePictureUpdater.cpp",
+        "ActivePictureTracker.cpp",
         "BackgroundExecutor.cpp",
         "Client.cpp",
         "ClientCache.cpp",
diff --git a/services/surfaceflinger/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index 0de2673..220133d 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -126,7 +126,6 @@
 #include <gui/SchedulingPolicy.h>
 #include <gui/SyncScreenCaptureListener.h>
 #include <ui/DisplayIdentification.h>
-#include "ActivePictureUpdater.h"
 #include "BackgroundExecutor.h"
 #include "Client.h"
 #include "ClientCache.h"
@@ -2952,7 +2951,7 @@
             layer->setWasClientComposed(compositionResult.lastClientCompositionFence);
         }
         if (com_android_graphics_libgui_flags_apply_picture_profiles()) {
-            mActivePictureUpdater.onLayerComposed(*layer, *layerFE, compositionResult);
+            mActivePictureTracker.onLayerComposed(*layer, *layerFE, compositionResult);
         }
     }
 
@@ -3264,8 +3263,8 @@
     std::vector<std::pair<std::shared_ptr<compositionengine::Display>, sp<HdrLayerInfoReporter>>>
             hdrInfoListeners;
     bool haveNewHdrInfoListeners = false;
-    sp<gui::IActivePictureListener> activePictureListener;
-    bool haveNewActivePictureListener = false;
+    ActivePictureTracker::Listeners activePictureListenersToAdd;
+    ActivePictureTracker::Listeners activePictureListenersToRemove;
     {
         Mutex::Autolock lock(mStateLock);
         if (mFpsReporter) {
@@ -3287,9 +3286,8 @@
         haveNewHdrInfoListeners = mAddingHDRLayerInfoListener; // grab this with state lock
         mAddingHDRLayerInfoListener = false;
 
-        activePictureListener = mActivePictureListener;
-        haveNewActivePictureListener = mHaveNewActivePictureListener;
-        mHaveNewActivePictureListener = false;
+        std::swap(activePictureListenersToAdd, mActivePictureListenersToAdd);
+        std::swap(activePictureListenersToRemove, mActivePictureListenersToRemove);
     }
 
     if (haveNewHdrInfoListeners || mHdrLayerInfoChanged) {
@@ -3353,14 +3351,10 @@
     mHdrLayerInfoChanged = false;
 
     if (com_android_graphics_libgui_flags_apply_picture_profiles()) {
-        // Track, update and notify changes to active pictures - layers that are undergoing picture
-        // processing
-        if (mActivePictureUpdater.updateAndHasChanged() || haveNewActivePictureListener) {
-            if (activePictureListener) {
-                activePictureListener->onActivePicturesChanged(
-                        mActivePictureUpdater.getActivePictures());
-            }
-        }
+        // Track, update and notify changes to active pictures - layers that are undergoing
+        // picture processing
+        mActivePictureTracker.updateAndNotifyListeners(activePictureListenersToAdd,
+                                                       activePictureListenersToRemove);
     }
 
     mTransactionCallbackInvoker.sendCallbacks(false /* onCommitOnly */);
@@ -8226,12 +8220,20 @@
     }));
 }
 
-void SurfaceFlinger::setActivePictureListener(const sp<gui::IActivePictureListener>& listener) {
-    if (com_android_graphics_libgui_flags_apply_picture_profiles()) {
-        Mutex::Autolock lock(mStateLock);
-        mActivePictureListener = listener;
-        mHaveNewActivePictureListener = listener != nullptr;
-    }
+void SurfaceFlinger::addActivePictureListener(const sp<gui::IActivePictureListener>& listener) {
+    Mutex::Autolock lock(mStateLock);
+    std::erase_if(mActivePictureListenersToRemove, [listener](const auto& otherListener) {
+        return IInterface::asBinder(listener) == IInterface::asBinder(otherListener);
+    });
+    mActivePictureListenersToAdd.push_back(listener);
+}
+
+void SurfaceFlinger::removeActivePictureListener(const sp<gui::IActivePictureListener>& listener) {
+    Mutex::Autolock lock(mStateLock);
+    std::erase_if(mActivePictureListenersToAdd, [listener](const auto& otherListener) {
+        return IInterface::asBinder(listener) == IInterface::asBinder(otherListener);
+    });
+    mActivePictureListenersToRemove.push_back(listener);
 }
 
 std::shared_ptr<renderengine::ExternalTexture> SurfaceFlinger::getExternalTextureFromBufferData(
@@ -9184,11 +9186,20 @@
     return binderStatusFromStatusT(status);
 }
 
-binder::Status SurfaceComposerAIDL::setActivePictureListener(
+binder::Status SurfaceComposerAIDL::addActivePictureListener(
         const sp<gui::IActivePictureListener>& listener) {
     status_t status = checkObservePictureProfilesPermission();
     if (status == OK) {
-        mFlinger->setActivePictureListener(listener);
+        mFlinger->addActivePictureListener(listener);
+    }
+    return binderStatusFromStatusT(status);
+}
+
+binder::Status SurfaceComposerAIDL::removeActivePictureListener(
+        const sp<gui::IActivePictureListener>& listener) {
+    status_t status = checkObservePictureProfilesPermission();
+    if (status == OK) {
+        mFlinger->removeActivePictureListener(listener);
     }
     return binderStatusFromStatusT(status);
 }
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index 05a511e..c85c084 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -69,7 +69,7 @@
 #include <ui/FenceResult.h>
 
 #include <common/FlagManager.h>
-#include "ActivePictureUpdater.h"
+#include "ActivePictureTracker.h"
 #include "BackgroundExecutor.h"
 #include "Display/DisplayModeController.h"
 #include "Display/PhysicalDisplay.h"
@@ -667,7 +667,9 @@
 
     void updateHdcpLevels(hal::HWDisplayId hwcDisplayId, int32_t connectedLevel, int32_t maxLevel);
 
-    void setActivePictureListener(const sp<gui::IActivePictureListener>& listener);
+    void addActivePictureListener(const sp<gui::IActivePictureListener>& listener);
+
+    void removeActivePictureListener(const sp<gui::IActivePictureListener>& listener);
 
     // IBinder::DeathRecipient overrides:
     void binderDied(const wp<IBinder>& who) override;
@@ -1407,9 +1409,9 @@
     std::unordered_map<DisplayId, sp<HdrLayerInfoReporter>> mHdrLayerInfoListeners
             GUARDED_BY(mStateLock);
 
-    sp<gui::IActivePictureListener> mActivePictureListener GUARDED_BY(mStateLock);
-    bool mHaveNewActivePictureListener GUARDED_BY(mStateLock);
-    ActivePictureUpdater mActivePictureUpdater GUARDED_BY(kMainThreadContext);
+    ActivePictureTracker mActivePictureTracker GUARDED_BY(kMainThreadContext);
+    ActivePictureTracker::Listeners mActivePictureListenersToAdd GUARDED_BY(mStateLock);
+    ActivePictureTracker::Listeners mActivePictureListenersToRemove GUARDED_BY(mStateLock);
 
     std::atomic<ui::Transform::RotationFlags> mActiveDisplayTransformHint;
 
@@ -1646,8 +1648,8 @@
     binder::Status flushJankData(int32_t layerId) override;
     binder::Status removeJankListener(int32_t layerId, const sp<gui::IJankListener>& listener,
                                       int64_t afterVsync) override;
-    binder::Status setActivePictureListener(const sp<gui::IActivePictureListener>& listener);
-    binder::Status clearActivePictureListener();
+    binder::Status addActivePictureListener(const sp<gui::IActivePictureListener>& listener);
+    binder::Status removeActivePictureListener(const sp<gui::IActivePictureListener>& listener);
 
 private:
     static const constexpr bool kUsePermissionCache = true;
diff --git a/services/surfaceflinger/tests/unittests/ActivePictureTrackerTest.cpp b/services/surfaceflinger/tests/unittests/ActivePictureTrackerTest.cpp
new file mode 100644
index 0000000..8011309
--- /dev/null
+++ b/services/surfaceflinger/tests/unittests/ActivePictureTrackerTest.cpp
@@ -0,0 +1,482 @@
+/*
+ * Copyright 2024 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.
+ */
+
+#include <gmock/gmock.h>
+#include <gtest/gtest.h>
+
+#include <android/gui/ActivePicture.h>
+#include <android/gui/IActivePictureListener.h>
+#include <compositionengine/mock/CompositionEngine.h>
+#include <mock/DisplayHardware/MockComposer.h>
+#include <mock/MockLayer.h>
+#include <renderengine/mock/RenderEngine.h>
+
+#include "ActivePictureTracker.h"
+#include "LayerFE.h"
+#include "TestableSurfaceFlinger.h"
+
+namespace android {
+
+using android::compositionengine::LayerFECompositionState;
+using android::gui::ActivePicture;
+using android::gui::IActivePictureListener;
+using android::mock::MockLayer;
+using surfaceflinger::frontend::LayerSnapshot;
+using testing::_;
+using testing::NiceMock;
+using testing::Return;
+using testing::SizeIs;
+using testing::StrictMock;
+
+class TestableLayerFE : public LayerFE {
+public:
+    TestableLayerFE() : LayerFE("TestableLayerFE"), snapshot(*(new LayerSnapshot)) {
+        mSnapshot = std::unique_ptr<LayerSnapshot>(&snapshot);
+    }
+
+    LayerSnapshot& snapshot;
+};
+
+class MockActivePictureListener : public gui::BnActivePictureListener {
+public:
+    operator ActivePictureTracker::Listeners const() {
+        return {sp<IActivePictureListener>::fromExisting(this)};
+    }
+
+    MOCK_METHOD(binder::Status, onActivePicturesChanged, (const std::vector<ActivePicture>&),
+                (override));
+};
+
+class ActivePictureTrackerTest : public testing::Test {
+protected:
+    const static ActivePictureTracker::Listeners NO_LISTENERS;
+
+    SurfaceFlinger* flinger() {
+        if (!mFlingerSetup) {
+            mFlinger.setupMockScheduler();
+            mFlinger.setupComposer(std::make_unique<Hwc2::mock::Composer>());
+            mFlinger.setupRenderEngine(std::make_unique<renderengine::mock::RenderEngine>());
+            mFlingerSetup = true;
+        }
+        return mFlinger.flinger();
+    }
+
+    sp<NiceMock<MockLayer>> createMockLayer(int layerId, int ownerUid) {
+        auto layer = sp<NiceMock<MockLayer>>::make(flinger(), layerId);
+        EXPECT_CALL(*layer, getOwnerUid()).WillRepeatedly(Return(uid_t(ownerUid)));
+        return layer;
+    }
+
+    sp<StrictMock<MockActivePictureListener>> createMockListener() {
+        return sp<StrictMock<MockActivePictureListener>>::make();
+    }
+
+    ActivePictureTracker::Listeners mListenersToAdd;
+    ActivePictureTracker::Listeners mListenersToRemove;
+
+private:
+    TestableSurfaceFlinger mFlinger;
+    bool mFlingerSetup = false;
+};
+
+const ActivePictureTracker::Listeners ActivePictureTrackerTest::NO_LISTENERS;
+
+// Hack to workaround initializer lists not working for parcelables because parcelables inherit from
+// Parcelable, which has a virtual destructor.
+auto UnorderedElementsAre(std::initializer_list<std::tuple<int32_t, int32_t, int64_t>> tuples) {
+    std::vector<ActivePicture> activePictures;
+    for (auto tuple : tuples) {
+        ActivePicture ap;
+        ap.layerId = std::get<0>(tuple);
+        ap.ownerUid = std::get<1>(tuple);
+        ap.pictureProfileId = std::get<2>(tuple);
+        activePictures.push_back(ap);
+    }
+    return testing::UnorderedElementsAreArray(activePictures);
+}
+
+// Parcelables don't define this for matchers, which is unfortunate
+void PrintTo(const ActivePicture& activePicture, std::ostream* os) {
+    *os << activePicture.toString();
+}
+
+TEST_F(ActivePictureTrackerTest, whenListenerAdded_called) {
+    ActivePictureTracker tracker;
+    auto listener = createMockListener();
+    EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(0))).Times(1);
+    tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+}
+
+TEST_F(ActivePictureTrackerTest, whenListenerAdded_withListenerAlreadyAdded_notCalled) {
+    ActivePictureTracker tracker;
+    auto listener = createMockListener();
+    {
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(0))).Times(1);
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+    {
+        EXPECT_CALL(*listener, onActivePicturesChanged(_)).Times(0);
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+}
+
+TEST_F(ActivePictureTrackerTest, whenListenerAdded_withUncommittedProfile_calledWithNone) {
+    auto layer = createMockLayer(100, 10);
+    TestableLayerFE layerFE;
+
+    ActivePictureTracker tracker;
+    {
+        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+        tracker.updateAndNotifyListeners(NO_LISTENERS, NO_LISTENERS);
+    }
+    {
+        auto listener = createMockListener();
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(0))).Times(1);
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+}
+
+TEST_F(ActivePictureTrackerTest, whenListenerAdded_withCommittedProfile_calledWithActivePicture) {
+    auto layer = createMockLayer(100, 10);
+    TestableLayerFE layerFE;
+
+    ActivePictureTracker tracker;
+    {
+        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+
+        auto listener = createMockListener();
+        EXPECT_CALL(*listener, onActivePicturesChanged(_))
+                .WillOnce([](const std::vector<gui::ActivePicture>& activePictures) {
+                    EXPECT_THAT(activePictures, UnorderedElementsAre({{100, 10, 1}}));
+                    return binder::Status::ok();
+                });
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+}
+
+TEST_F(ActivePictureTrackerTest, whenProfileAdded_calledWithActivePicture) {
+    auto layer = createMockLayer(100, 10);
+    TestableLayerFE layerFE;
+
+    ActivePictureTracker tracker;
+    auto listener = createMockListener();
+    {
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(0))).Times(1);
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+    {
+        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(_))
+                .WillOnce([](const std::vector<gui::ActivePicture>& activePictures) {
+                    EXPECT_THAT(activePictures, UnorderedElementsAre({{100, 10, 1}}));
+                    return binder::Status::ok();
+                });
+        tracker.updateAndNotifyListeners(NO_LISTENERS, NO_LISTENERS);
+    }
+}
+
+TEST_F(ActivePictureTrackerTest, whenContinuesUsingProfile_notCalled) {
+    auto layer = createMockLayer(100, 10);
+    TestableLayerFE layerFE;
+
+    ActivePictureTracker tracker;
+    auto listener = createMockListener();
+    {
+        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(1))).Times(1);
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+    {
+        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(_)).Times(0);
+        tracker.updateAndNotifyListeners(NO_LISTENERS, NO_LISTENERS);
+    }
+}
+
+TEST_F(ActivePictureTrackerTest, whenProfileIsRemoved_calledWithNoActivePictures) {
+    auto layer = createMockLayer(100, 10);
+    TestableLayerFE layerFE;
+
+    ActivePictureTracker tracker;
+    auto listener = createMockListener();
+    {
+        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(1))).Times(1);
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+    {
+        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle::NONE;
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(0))).Times(1);
+        tracker.updateAndNotifyListeners(NO_LISTENERS, NO_LISTENERS);
+    }
+}
+
+TEST_F(ActivePictureTrackerTest, whenProfileIsNotCommitted_calledWithNoActivePictures) {
+    auto layer = createMockLayer(100, 10);
+    TestableLayerFE layerFE;
+
+    ActivePictureTracker tracker;
+    auto listener = createMockListener();
+    {
+        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(1))).Times(1);
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+    {
+        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(0))).Times(1);
+        tracker.updateAndNotifyListeners(NO_LISTENERS, NO_LISTENERS);
+    }
+}
+
+TEST_F(ActivePictureTrackerTest, whenProfileChanges_calledWithDifferentProfile) {
+    auto layer = createMockLayer(100, 10);
+    TestableLayerFE layerFE;
+
+    ActivePictureTracker tracker;
+    auto listener = createMockListener();
+    {
+        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(1)))
+                .WillOnce([](const std::vector<gui::ActivePicture>& activePictures) {
+                    EXPECT_THAT(activePictures, UnorderedElementsAre({{100, 10, 1}}));
+                    return binder::Status::ok();
+                });
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+    {
+        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(2);
+        layerFE.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(1)))
+                .WillOnce([](const std::vector<gui::ActivePicture>& activePictures) {
+                    EXPECT_THAT(activePictures, UnorderedElementsAre({{100, 10, 2}}));
+                    return binder::Status::ok();
+                });
+        tracker.updateAndNotifyListeners(NO_LISTENERS, NO_LISTENERS);
+    }
+}
+
+TEST_F(ActivePictureTrackerTest, whenMultipleCommittedProfiles_calledWithMultipleActivePictures) {
+    auto layer1 = createMockLayer(100, 10);
+    TestableLayerFE layerFE1;
+
+    auto layer2 = createMockLayer(200, 20);
+    TestableLayerFE layerFE2;
+
+    ActivePictureTracker tracker;
+    auto listener = createMockListener();
+    {
+        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE1.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+
+        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(2);
+        layerFE2.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(2)))
+                .WillOnce([](const std::vector<gui::ActivePicture>& activePictures) {
+                    EXPECT_THAT(activePictures, UnorderedElementsAre({{100, 10, 1}, {200, 20, 2}}));
+                    return binder::Status::ok();
+                });
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+}
+
+TEST_F(ActivePictureTrackerTest, whenNonCommittedProfileChanges_notCalled) {
+    auto layer1 = createMockLayer(100, 10);
+    TestableLayerFE layerFE1;
+
+    auto layer2 = createMockLayer(200, 20);
+    TestableLayerFE layerFE2;
+
+    ActivePictureTracker tracker;
+    auto listener = createMockListener();
+    {
+        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE1.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+
+        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(1))).Times(1);
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+    {
+        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE1.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+
+        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(2);
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(_)).Times(0);
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+}
+
+TEST_F(ActivePictureTrackerTest, whenDifferentLayerUsesSameProfile_called) {
+    auto layer1 = createMockLayer(100, 10);
+    TestableLayerFE layerFE1;
+
+    auto layer2 = createMockLayer(200, 20);
+    TestableLayerFE layerFE2;
+
+    ActivePictureTracker tracker;
+    auto listener = createMockListener();
+    {
+        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE1.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+
+        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(2);
+        layerFE2.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(_))
+                .WillOnce([](const std::vector<gui::ActivePicture>& activePictures) {
+                    EXPECT_THAT(activePictures, UnorderedElementsAre({{100, 10, 1}, {200, 20, 2}}));
+                    return binder::Status::ok();
+                });
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+    {
+        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(2);
+        layerFE1.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+
+        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE2.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(_))
+                .WillOnce([](const std::vector<gui::ActivePicture>& activePictures) {
+                    EXPECT_THAT(activePictures, UnorderedElementsAre({{100, 10, 2}, {200, 20, 1}}));
+                    return binder::Status::ok();
+                });
+        tracker.updateAndNotifyListeners(NO_LISTENERS, NO_LISTENERS);
+    }
+}
+
+TEST_F(ActivePictureTrackerTest, whenSameUidDifferentLayerUsesSameProfile_called) {
+    auto layer1 = createMockLayer(100, 10);
+    TestableLayerFE layerFE1;
+
+    auto layer2 = createMockLayer(200, 10);
+    TestableLayerFE layerFE2;
+
+    ActivePictureTracker tracker;
+    auto listener = createMockListener();
+    {
+        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE1.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+
+        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(2);
+        layerFE2.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(_))
+                .WillOnce([](const std::vector<gui::ActivePicture>& activePictures) {
+                    EXPECT_THAT(activePictures, UnorderedElementsAre({{100, 10, 1}, {200, 10, 2}}));
+                    return binder::Status::ok();
+                });
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+    {
+        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(2);
+        layerFE1.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+
+        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE2.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(_))
+                .WillOnce([](const std::vector<gui::ActivePicture>& activePictures) {
+                    EXPECT_THAT(activePictures, UnorderedElementsAre({{100, 10, 2}, {200, 10, 1}}));
+                    return binder::Status::ok();
+                });
+        tracker.updateAndNotifyListeners(NO_LISTENERS, NO_LISTENERS);
+    }
+}
+
+TEST_F(ActivePictureTrackerTest, whenNewLayerUsesSameProfile_called) {
+    auto layer1 = createMockLayer(100, 10);
+    TestableLayerFE layerFE1;
+
+    ActivePictureTracker tracker;
+    auto listener = createMockListener();
+    {
+        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE1.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(SizeIs(1))).Times(1);
+        tracker.updateAndNotifyListeners(*listener, NO_LISTENERS);
+    }
+
+    auto layer2 = createMockLayer(200, 10);
+    TestableLayerFE layerFE2;
+    {
+        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE1.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
+
+        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(1);
+        layerFE2.onPictureProfileCommitted();
+        tracker.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
+
+        EXPECT_CALL(*listener, onActivePicturesChanged(_))
+                .WillOnce([](const std::vector<gui::ActivePicture>& activePictures) {
+                    EXPECT_THAT(activePictures, UnorderedElementsAre({{100, 10, 1}, {200, 10, 1}}));
+                    return binder::Status::ok();
+                });
+        tracker.updateAndNotifyListeners(NO_LISTENERS, NO_LISTENERS);
+    }
+}
+
+} // namespace android
diff --git a/services/surfaceflinger/tests/unittests/ActivePictureUpdaterTest.cpp b/services/surfaceflinger/tests/unittests/ActivePictureUpdaterTest.cpp
deleted file mode 100644
index b926d2f..0000000
--- a/services/surfaceflinger/tests/unittests/ActivePictureUpdaterTest.cpp
+++ /dev/null
@@ -1,336 +0,0 @@
-/*
- * Copyright 2024 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.
- */
-
-#include <gmock/gmock.h>
-#include <gtest/gtest.h>
-
-#include <android/gui/ActivePicture.h>
-#include <android/gui/IActivePictureListener.h>
-#include <compositionengine/mock/CompositionEngine.h>
-#include <mock/DisplayHardware/MockComposer.h>
-#include <mock/MockLayer.h>
-#include <renderengine/mock/RenderEngine.h>
-
-#include "ActivePictureUpdater.h"
-#include "LayerFE.h"
-#include "TestableSurfaceFlinger.h"
-
-namespace android {
-
-using android::compositionengine::LayerFECompositionState;
-using android::gui::ActivePicture;
-using android::gui::IActivePictureListener;
-using android::mock::MockLayer;
-using surfaceflinger::frontend::LayerSnapshot;
-using testing::_;
-using testing::NiceMock;
-using testing::Return;
-
-class TestableLayerFE : public LayerFE {
-public:
-    TestableLayerFE() : LayerFE("TestableLayerFE"), snapshot(*(new LayerSnapshot)) {
-        mSnapshot = std::unique_ptr<LayerSnapshot>(&snapshot);
-    }
-
-    LayerSnapshot& snapshot;
-};
-
-class ActivePictureUpdaterTest : public testing::Test {
-protected:
-    SurfaceFlinger* flinger() {
-        if (!mFlingerSetup) {
-            mFlinger.setupMockScheduler();
-            mFlinger.setupComposer(std::make_unique<Hwc2::mock::Composer>());
-            mFlinger.setupRenderEngine(std::make_unique<renderengine::mock::RenderEngine>());
-            mFlingerSetup = true;
-        }
-        return mFlinger.flinger();
-    }
-
-private:
-    TestableSurfaceFlinger mFlinger;
-    bool mFlingerSetup = false;
-};
-
-// Hack to workaround initializer lists not working for parcelables because parcelables inherit from
-// Parcelable, which has a virtual destructor.
-auto UnorderedElementsAre(std::initializer_list<std::tuple<int32_t, int32_t, int64_t>> tuples) {
-    std::vector<ActivePicture> activePictures;
-    for (auto tuple : tuples) {
-        ActivePicture ap;
-        ap.layerId = std::get<0>(tuple);
-        ap.ownerUid = std::get<1>(tuple);
-        ap.pictureProfileId = std::get<2>(tuple);
-        activePictures.push_back(ap);
-    }
-    return testing::UnorderedElementsAreArray(activePictures);
-}
-
-// Parcelables don't define this for matchers, which is unfortunate
-void PrintTo(const ActivePicture& activePicture, std::ostream* os) {
-    *os << activePicture.toString();
-}
-
-TEST_F(ActivePictureUpdaterTest, notCalledWithNoProfile) {
-    sp<NiceMock<MockLayer>> layer = sp<NiceMock<MockLayer>>::make(flinger(), 100);
-    TestableLayerFE layerFE;
-    EXPECT_CALL(*layer, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
-
-    ActivePictureUpdater updater;
-    {
-        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle::NONE;
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
-
-        ASSERT_FALSE(updater.updateAndHasChanged());
-    }
-}
-
-TEST_F(ActivePictureUpdaterTest, calledWhenLayerStartsUsingProfile) {
-    sp<NiceMock<MockLayer>> layer = sp<NiceMock<MockLayer>>::make(flinger(), 100);
-    TestableLayerFE layerFE;
-    EXPECT_CALL(*layer, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
-
-    ActivePictureUpdater updater;
-    {
-        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle::NONE;
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
-
-        ASSERT_FALSE(updater.updateAndHasChanged());
-    }
-    {
-        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
-    }
-}
-
-TEST_F(ActivePictureUpdaterTest, notCalledWhenLayerContinuesUsingProfile) {
-    sp<NiceMock<MockLayer>> layer = sp<NiceMock<MockLayer>>::make(flinger(), 100);
-    TestableLayerFE layerFE;
-    EXPECT_CALL(*layer, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
-
-    ActivePictureUpdater updater;
-    {
-        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
-    }
-    {
-        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
-
-        ASSERT_FALSE(updater.updateAndHasChanged());
-    }
-}
-
-TEST_F(ActivePictureUpdaterTest, calledWhenLayerStopsUsingProfile) {
-    sp<NiceMock<MockLayer>> layer = sp<NiceMock<MockLayer>>::make(flinger(), 100);
-    TestableLayerFE layerFE;
-    EXPECT_CALL(*layer, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
-
-    ActivePictureUpdater updater;
-    {
-        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
-    }
-    {
-        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle::NONE;
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({}));
-    }
-}
-
-TEST_F(ActivePictureUpdaterTest, calledWhenLayerChangesProfile) {
-    sp<NiceMock<MockLayer>> layer = sp<NiceMock<MockLayer>>::make(flinger(), 100);
-    TestableLayerFE layerFE;
-    EXPECT_CALL(*layer, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
-
-    ActivePictureUpdater updater;
-    {
-        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
-    }
-    {
-        layerFE.snapshot.pictureProfileHandle = PictureProfileHandle(2);
-        layerFE.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer, layerFE, layerFE.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 2}}));
-    }
-}
-
-TEST_F(ActivePictureUpdaterTest, notCalledWhenUncommittedLayerChangesProfile) {
-    sp<NiceMock<MockLayer>> layer1 = sp<NiceMock<MockLayer>>::make(flinger(), 100);
-    TestableLayerFE layerFE1;
-    EXPECT_CALL(*layer1, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
-
-    sp<NiceMock<MockLayer>> layer2 = sp<NiceMock<MockLayer>>::make(flinger(), 200);
-    TestableLayerFE layerFE2;
-    EXPECT_CALL(*layer2, getOwnerUid()).WillRepeatedly(Return(uid_t(20)));
-
-    ActivePictureUpdater updater;
-    {
-        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
-
-        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
-    }
-    {
-        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
-
-        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(2);
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
-
-        ASSERT_FALSE(updater.updateAndHasChanged());
-    }
-}
-
-TEST_F(ActivePictureUpdaterTest, calledWhenDifferentLayerUsesSameProfile) {
-    sp<NiceMock<MockLayer>> layer1 = sp<NiceMock<MockLayer>>::make(flinger(), 100);
-    TestableLayerFE layerFE1;
-    EXPECT_CALL(*layer1, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
-
-    sp<NiceMock<MockLayer>> layer2 = sp<NiceMock<MockLayer>>::make(flinger(), 200);
-    TestableLayerFE layerFE2;
-    EXPECT_CALL(*layer2, getOwnerUid()).WillRepeatedly(Return(uid_t(20)));
-
-    ActivePictureUpdater updater;
-    {
-        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
-
-        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(2);
-        layerFE2.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(),
-                    UnorderedElementsAre({{100, 10, 1}, {200, 20, 2}}));
-    }
-    {
-        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(2);
-        layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
-
-        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE2.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(),
-                    UnorderedElementsAre({{100, 10, 2}, {200, 20, 1}}));
-    }
-}
-
-TEST_F(ActivePictureUpdaterTest, calledWhenSameUidUsesSameProfile) {
-    sp<NiceMock<MockLayer>> layer1 = sp<NiceMock<MockLayer>>::make(flinger(), 100);
-    TestableLayerFE layerFE1;
-    EXPECT_CALL(*layer1, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
-
-    sp<NiceMock<MockLayer>> layer2 = sp<NiceMock<MockLayer>>::make(flinger(), 200);
-    TestableLayerFE layerFE2;
-    EXPECT_CALL(*layer2, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
-
-    ActivePictureUpdater updater;
-    {
-        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
-
-        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(2);
-        layerFE2.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(),
-                    UnorderedElementsAre({{100, 10, 1}, {200, 10, 2}}));
-    }
-    {
-        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(2);
-        layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
-
-        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE2.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(),
-                    UnorderedElementsAre({{100, 10, 2}, {200, 10, 1}}));
-    }
-}
-
-TEST_F(ActivePictureUpdaterTest, calledWhenNewLayerUsesSameProfile) {
-    sp<NiceMock<MockLayer>> layer1 = sp<NiceMock<MockLayer>>::make(flinger(), 100);
-    TestableLayerFE layerFE1;
-    EXPECT_CALL(*layer1, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
-
-    ActivePictureUpdater updater;
-    {
-        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(), UnorderedElementsAre({{100, 10, 1}}));
-    }
-
-    sp<NiceMock<MockLayer>> layer2 = sp<NiceMock<MockLayer>>::make(flinger(), 200);
-    TestableLayerFE layerFE2;
-    EXPECT_CALL(*layer2, getOwnerUid()).WillRepeatedly(Return(uid_t(10)));
-
-    {
-        layerFE1.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE1.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer1, layerFE1, layerFE1.stealCompositionResult());
-
-        layerFE2.snapshot.pictureProfileHandle = PictureProfileHandle(1);
-        layerFE2.onPictureProfileCommitted();
-        updater.onLayerComposed(*layer2, layerFE2, layerFE2.stealCompositionResult());
-
-        ASSERT_TRUE(updater.updateAndHasChanged());
-        EXPECT_THAT(updater.getActivePictures(),
-                    UnorderedElementsAre({{100, 10, 1}, {200, 10, 1}}));
-    }
-}
-
-} // namespace android