Merge changes from topic "b215583339-AnimBigPic" into tm-qpr-dev

* changes:
  Animates drawables in Notifications
  Adds flag for Animated Big Picture notifications

packages/SystemUI/src/com/android/systemui/flags/Flags.kt

@@ -102,6 +102,10 @@ object Flags {
     val FILTER_UNSEEN_NOTIFS_ON_KEYGUARD =
         unreleasedFlag(254647461, "filter_unseen_notifs_on_keyguard", teamfood = true)
 
+    // TODO(b/263414400): Tracking Bug
+    @JvmField
+    val NOTIFICATION_ANIMATE_BIG_PICTURE = unreleasedFlag(120, "notification_animate_big_picture")
+
     // 200 - keyguard/lockscreen
     // ** Flag retired **
     // public static final BooleanFlag KEYGUARD_LAYOUT =

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRow.java

@@ -79,6 +79,8 @@ import com.android.internal.widget.CallLayout;
 import com.android.systemui.R;
 import com.android.systemui.animation.Interpolators;
 import com.android.systemui.classifier.FalsingCollector;
+import com.android.systemui.flags.FeatureFlags;
+import com.android.systemui.flags.Flags;
 import com.android.systemui.plugins.FalsingManager;
 import com.android.systemui.plugins.PluginListener;
 import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin;
@@ -177,6 +179,7 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
     private PeopleNotificationIdentifier mPeopleNotificationIdentifier;
     private Optional<BubblesManager> mBubblesManagerOptional;
     private MetricsLogger mMetricsLogger;
+    private FeatureFlags mFeatureFlags;
     private int mIconTransformContentShift;
     private int mMaxHeadsUpHeightBeforeN;
     private int mMaxHeadsUpHeightBeforeP;
@@ -277,7 +280,7 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
     private boolean mChildIsExpanding;
 
     private boolean mJustClicked;
-    private boolean mIconAnimationRunning;
+    private boolean mAnimationRunning;
     private boolean mShowNoBackground;
     private ExpandableNotificationRow mNotificationParent;
     private OnExpandClickListener mOnExpandClickListener;
@@ -451,10 +454,26 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
         return mPublicLayout;
     }
 
-    public void setIconAnimationRunning(boolean running) {
+    /**
-        for (NotificationContentView l : mLayouts) {
+     * Sets animations running in the layouts of this row, including public, private, and children.
-            setIconAnimationRunning(running, l);
+     * @param running whether the animations should be started running or stopped.
+     */
+    public void setAnimationRunning(boolean running) {
+        // Sets animations running in the private/public layouts.
+        if (mFeatureFlags.isEnabled(Flags.NOTIFICATION_ANIMATE_BIG_PICTURE)) {
+            for (NotificationContentView l : mLayouts) {
+                if (l != null) {
+                    l.setContentAnimationRunning(running);
+                    setIconAnimationRunning(running, l);
+                }
+            }
+        } else {
+            for (NotificationContentView l : mLayouts) {
+                setIconAnimationRunning(running, l);
+            }
         }
+        // For groups summaries with children, we want to set the children containers
+        // animating as well.
         if (mIsSummaryWithChildren) {
             NotificationViewWrapper viewWrapper = mChildrenContainer.getNotificationViewWrapper();
             if (viewWrapper != null) {
@@ -468,12 +487,18 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
                     mChildrenContainer.getAttachedChildren();
             for (int i = 0; i < notificationChildren.size(); i++) {
                 ExpandableNotificationRow child = notificationChildren.get(i);
-                child.setIconAnimationRunning(running);
+                child.setAnimationRunning(running);
             }
         }
-        mIconAnimationRunning = running;
+        mAnimationRunning = running;
     }
 
+    /**
+     * Starts or stops animations of the icons in all potential content views (regardless of
+     * whether they're contracted, expanded, etc).
+     *
+     * @param running whether to start or stop the icon's animation.
+     */
     private void setIconAnimationRunning(boolean running, NotificationContentView layout) {
         if (layout != null) {
             View contractedChild = layout.getContractedChild();
@@ -485,16 +510,29 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
         }
     }
 
+    /**
+     * Starts or stops animations of the icon in the provided view's icon and right icon.
+     *
+     * @param running whether to start or stop the icon's animation.
+     * @param child   the view with the icon to start or stop.
+     */
     private void setIconAnimationRunningForChild(boolean running, View child) {
         if (child != null) {
             ImageView icon = child.findViewById(com.android.internal.R.id.icon);
-            setIconRunning(icon, running);
+            setImageViewAnimationRunning(icon, running);
             ImageView rightIcon = child.findViewById(com.android.internal.R.id.right_icon);
-            setIconRunning(rightIcon, running);
+            setImageViewAnimationRunning(rightIcon, running);
         }
     }
 
-    private void setIconRunning(ImageView imageView, boolean running) {
+    /**
+     * Starts or stops the animation of a provided image view if it's an AnimationDrawable or an
+     * AnimatedVectorDrawable.
+     *
+     * @param imageView the image view on which to start/stop animation.
+     * @param running   whether to start or stop the view's animation.
+     */
+    private void setImageViewAnimationRunning(ImageView imageView, boolean running) {
         if (imageView != null) {
             Drawable drawable = imageView.getDrawable();
             if (drawable instanceof AnimationDrawable) {
@@ -561,8 +599,8 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
             mChildrenContainer.recreateNotificationHeader(mExpandClickListener, isConversation());
             mChildrenContainer.onNotificationUpdated();
         }
-        if (mIconAnimationRunning) {
+        if (mAnimationRunning) {
-            setIconAnimationRunning(true);
+            setAnimationRunning(true);
         }
         if (mLastChronometerRunning) {
             setChronometerRunning(true);
@@ -1038,7 +1076,7 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
             notifyHeightChanged(false /* needsAnimation */);
         }
         if (pinned) {
-            setIconAnimationRunning(true);
+            setAnimationRunning(true);
             mExpandedWhenPinned = false;
         } else if (mExpandedWhenPinned) {
             setUserExpanded(true);
@@ -1627,6 +1665,11 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
         );
     }
 
+    /**
+     * Constructs an ExpandableNotificationRow.
+     * @param context context passed to image resolver
+     * @param attrs attributes used to initialize parent view
+     */
     public ExpandableNotificationRow(Context context, AttributeSet attrs) {
         super(context, attrs);
         mImageResolver = new NotificationInlineImageResolver(context,
@@ -1662,7 +1705,8 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
             NotificationGutsManager gutsManager,
             MetricsLogger metricsLogger,
             SmartReplyConstants smartReplyConstants,
-            SmartReplyController smartReplyController) {
+            SmartReplyController smartReplyController,
+            FeatureFlags featureFlags) {
         mEntry = entry;
         mAppName = appName;
         if (mMenuRow == null) {
@@ -1697,6 +1741,7 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
         mBubblesManagerOptional = bubblesManagerOptional;
         mNotificationGutsManager = gutsManager;
         mMetricsLogger = metricsLogger;
+        mFeatureFlags = featureFlags;
     }
 
     private void initDimens() {
@@ -3588,11 +3633,13 @@ public class ExpandableNotificationRow extends ActivatableNotificationView
     @VisibleForTesting
     protected void setPrivateLayout(NotificationContentView privateLayout) {
         mPrivateLayout = privateLayout;
+        mLayouts = new NotificationContentView[]{mPrivateLayout, mPublicLayout};
     }
 
     @VisibleForTesting
     protected void setPublicLayout(NotificationContentView publicLayout) {
         mPublicLayout = publicLayout;
+        mLayouts = new NotificationContentView[]{mPrivateLayout, mPublicLayout};
     }
 
     /**

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRowController.java

@@ -219,7 +219,8 @@ public class ExpandableNotificationRowController implements NotifViewController
                 mNotificationGutsManager,
                 mMetricsLogger,
                 mSmartReplyConstants,
-                mSmartReplyController
+                mSmartReplyController,
+                mFeatureFlags
         );
         mView.setDescendantFocusability(ViewGroup.FOCUS_BLOCK_DESCENDANTS);
         if (mAllowLongPress) {

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/NotificationContentView.java

@@ -184,6 +184,8 @@ public class NotificationContentView extends FrameLayout implements Notification
     private boolean mRemoteInputVisible;
     private int mUnrestrictedContentHeight;
 
+    private boolean mContentAnimating;
+
     public NotificationContentView(Context context, AttributeSet attrs) {
         super(context, attrs);
         mHybridGroupManager = new HybridGroupManager(getContext());
@@ -2129,8 +2131,49 @@ public class NotificationContentView extends FrameLayout implements Notification
         return false;
     }
 
+    /**
+     * Starts and stops animations in the underlying views.
+     * Avoids restarting the animations by checking whether they're already running first.
+     * Return value is used for testing.
+     *
+     * @param running whether to start animations running, or stop them.
+     * @return true if the state of animations changed.
+     */
+    public boolean setContentAnimationRunning(boolean running) {
+        boolean stateChangeRequired = (running != mContentAnimating);
+        if (stateChangeRequired) {
+            // Starts or stops the animations in the potential views.
+            if (mContractedWrapper != null) {
+                mContractedWrapper.setAnimationsRunning(running);
+            }
+            if (mExpandedWrapper != null) {
+                mExpandedWrapper.setAnimationsRunning(running);
+            }
+            if (mHeadsUpWrapper != null) {
+                mHeadsUpWrapper.setAnimationsRunning(running);
+            }
+            // Updates the state tracker.
+            mContentAnimating = running;
+            return true;
+        }
+        return false;
+    }
+
     private static class RemoteInputViewData {
         @Nullable RemoteInputView mView;
         @Nullable RemoteInputViewController mController;
     }
+
+    @VisibleForTesting
+    protected void setContractedWrapper(NotificationViewWrapper contractedWrapper) {
+        mContractedWrapper = contractedWrapper;
+    }
+    @VisibleForTesting
+    protected void setExpandedWrapper(NotificationViewWrapper expandedWrapper) {
+        mExpandedWrapper = expandedWrapper;
+    }
+    @VisibleForTesting
+    protected void setHeadsUpWrapper(NotificationViewWrapper headsUpWrapper) {
+        mHeadsUpWrapper = headsUpWrapper;
+    }
 }

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/wrapper/NotificationBigPictureTemplateViewWrapper.java

@@ -18,11 +18,15 @@ package com.android.systemui.statusbar.notification.row.wrapper;
 
 import android.app.Notification;
 import android.content.Context;
+import android.graphics.drawable.AnimatedImageDrawable;
+import android.graphics.drawable.Drawable;
 import android.graphics.drawable.Icon;
 import android.os.Bundle;
 import android.service.notification.StatusBarNotification;
 import android.view.View;
 
+import com.android.internal.R;
+import com.android.internal.widget.BigPictureNotificationImageView;
 import com.android.systemui.statusbar.notification.ImageTransformState;
 import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
 
@@ -31,6 +35,8 @@ import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow
  */
 public class NotificationBigPictureTemplateViewWrapper extends NotificationTemplateViewWrapper {
 
+    private BigPictureNotificationImageView mImageView;
+
     protected NotificationBigPictureTemplateViewWrapper(Context ctx, View view,
             ExpandableNotificationRow row) {
         super(ctx, view, row);
@@ -39,9 +45,14 @@ public class NotificationBigPictureTemplateViewWrapper extends NotificationTempl
     @Override
     public void onContentUpdated(ExpandableNotificationRow row) {
         super.onContentUpdated(row);
+        resolveViews();
         updateImageTag(row.getEntry().getSbn());
     }
 
+    private void resolveViews() {
+        mImageView = mView.findViewById(R.id.big_picture);
+    }
+
     private void updateImageTag(StatusBarNotification sbn) {
         final Bundle extras = sbn.getNotification().extras;
         Icon bigLargeIcon = extras.getParcelable(Notification.EXTRA_LARGE_ICON_BIG, Icon.class);
@@ -54,4 +65,25 @@ public class NotificationBigPictureTemplateViewWrapper extends NotificationTempl
             mRightIcon.setTag(ImageTransformState.ICON_TAG, getLargeIcon(sbn.getNotification()));
         }
     }
+
+    /**
+     * Starts or stops the animations in any drawables contained in this BigPicture Notification.
+     *
+     * @param running Whether the animations should be set to run.
+     */
+    @Override
+    public void setAnimationsRunning(boolean running) {
+        if (mImageView == null) {
+            return;
+        }
+        Drawable d = mImageView.getDrawable();
+        if (d instanceof AnimatedImageDrawable) {
+            AnimatedImageDrawable animatedImageDrawable = (AnimatedImageDrawable) d;
+            if (running) {
+                animatedImageDrawable.start();
+            } else {
+                animatedImageDrawable.stop();
+            }
+        }
+    }
 }

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/wrapper/NotificationConversationTemplateViewWrapper.kt

@@ -17,16 +17,20 @@
 package com.android.systemui.statusbar.notification.row.wrapper
 
 import android.content.Context
+import android.graphics.drawable.AnimatedImageDrawable
 import android.view.View
 import android.view.ViewGroup
 import com.android.internal.widget.CachingIconView
 import com.android.internal.widget.ConversationLayout
+import com.android.internal.widget.MessagingGroup
+import com.android.internal.widget.MessagingImageMessage
 import com.android.internal.widget.MessagingLinearLayout
 import com.android.systemui.R
 import com.android.systemui.statusbar.notification.NotificationFadeAware
 import com.android.systemui.statusbar.notification.NotificationUtils
 import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow
 import com.android.systemui.statusbar.notification.row.wrapper.NotificationMessagingTemplateViewWrapper.setCustomImageMessageTransform
+import com.android.systemui.util.children
 
 /**
  * Wraps a notification containing a conversation template
@@ -49,6 +53,7 @@ class NotificationConversationTemplateViewWrapper constructor(
     private lateinit var expandBtn: View
     private lateinit var expandBtnContainer: View
     private lateinit var imageMessageContainer: ViewGroup
+    private lateinit var messageContainers: ArrayList<MessagingGroup>
     private lateinit var messagingLinearLayout: MessagingLinearLayout
     private lateinit var conversationTitleView: View
     private lateinit var importanceRing: View
@@ -60,6 +65,7 @@ class NotificationConversationTemplateViewWrapper constructor(
     private fun resolveViews() {
         messagingLinearLayout = conversationLayout.messagingLinearLayout
         imageMessageContainer = conversationLayout.imageMessageContainer
+        messageContainers = conversationLayout.messagingGroups
         with(conversationLayout) {
             conversationIconContainer =
                     requireViewById(com.android.internal.R.id.conversation_icon_container)
@@ -146,4 +152,26 @@ class NotificationConversationTemplateViewWrapper constructor(
         NotificationFadeAware.setLayerTypeForFaded(expandBtn, faded)
         NotificationFadeAware.setLayerTypeForFaded(conversationIconContainer, faded)
     }
+
+    // Starts or stops the animations in any drawables contained in this Conversation Notification.
+    override fun setAnimationsRunning(running: Boolean) {
+        // We apply to both the child message containers in a conversation group,
+        // and the top level image message container.
+        val containers = messageContainers.asSequence().map { it.messageContainer } +
+                sequenceOf(imageMessageContainer)
+        val drawables =
+                containers
+                        .flatMap { it.children }
+                        .mapNotNull { child ->
+                            (child as? MessagingImageMessage)?.let { imageMessage ->
+                                imageMessage.drawable as? AnimatedImageDrawable
+                            }
+                        }
+        drawables.toSet().forEach {
+            when {
+                running -> it.start()
+                !running -> it.stop()
+            }
+        }
+    }
 }

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/wrapper/NotificationMessagingTemplateViewWrapper.java

@@ -17,9 +17,13 @@
 package com.android.systemui.statusbar.notification.row.wrapper;
 
 import android.content.Context;
+import android.graphics.drawable.AnimatedImageDrawable;
+import android.graphics.drawable.Drawable;
 import android.view.View;
 import android.view.ViewGroup;
 
+import com.android.internal.widget.MessagingGroup;
+import com.android.internal.widget.MessagingImageMessage;
 import com.android.internal.widget.MessagingLayout;
 import com.android.internal.widget.MessagingLinearLayout;
 import com.android.systemui.R;
@@ -127,4 +131,40 @@ public class NotificationMessagingTemplateViewWrapper extends NotificationTempla
         }
         return super.getMinLayoutHeight();
     }
+
+    /**
+     * Starts or stops the animations in any drawables contained in this Messaging Notification.
+     *
+     * @param running Whether the animations should be set to run.
+     */
+    @Override
+    public void setAnimationsRunning(boolean running) {
+        if (mMessagingLayout == null) {
+            return;
+        }
+
+        for (MessagingGroup group : mMessagingLayout.getMessagingGroups()) {
+            for (int i = 0; i < group.getMessageContainer().getChildCount(); i++) {
+                View view = group.getMessageContainer().getChildAt(i);
+                // We only need to set animations in MessagingImageMessages.
+                if (!(view instanceof MessagingImageMessage)) {
+                    continue;
+                }
+                MessagingImageMessage imageMessage =
+                        (com.android.internal.widget.MessagingImageMessage) view;
+
+                // If the drawable isn't an AnimatedImageDrawable, we can't set it to animate.
+                Drawable d = imageMessage.getDrawable();
+                if (!(d instanceof AnimatedImageDrawable)) {
+                    continue;
+                }
+                AnimatedImageDrawable animatedImageDrawable = (AnimatedImageDrawable) d;
+                if (running) {
+                    animatedImageDrawable.start();
+                } else {
+                    animatedImageDrawable.stop();
+                }
+            }
+        }
+    }
 }

packages/SystemUI/src/com/android/systemui/statusbar/notification/row/wrapper/NotificationViewWrapper.java

@@ -403,4 +403,12 @@ public abstract class NotificationViewWrapper implements TransformableView {
         NotificationFadeAware.setLayerTypeForFaded(getIcon(), faded);
         NotificationFadeAware.setLayerTypeForFaded(getExpandButton(), faded);
     }
+
+    /**
+     * Starts or stops the animations in any drawables contained in this Notification.
+     *
+     * @param running Whether the animations should be set to run.
+     */
+    public void setAnimationsRunning(boolean running) {
+    }
 }

packages/SystemUI/src/com/android/systemui/statusbar/notification/stack/NotificationStackScrollLayout.java

@@ -3132,7 +3132,7 @@ public class NotificationStackScrollLayout extends ViewGroup implements Dumpable
     private void updateAnimationState(boolean running, View child) {
         if (child instanceof ExpandableNotificationRow) {
             ExpandableNotificationRow row = (ExpandableNotificationRow) child;
-            row.setIconAnimationRunning(running);
+            row.setAnimationRunning(running);
         }
     }
 

packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/ExpandableNotificationRowTest.java

@@ -44,16 +44,23 @@ import static org.mockito.Mockito.when;
 import android.app.Notification;
 import android.app.NotificationChannel;
 import android.graphics.Color;
+import android.graphics.drawable.AnimatedVectorDrawable;
+import android.graphics.drawable.AnimationDrawable;
+import android.graphics.drawable.Drawable;
 import android.testing.AndroidTestingRunner;
 import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 import android.util.DisplayMetrics;
 import android.view.View;
+import android.widget.ImageView;
 
 import androidx.test.filters.SmallTest;
 
 import com.android.internal.R;
+import com.android.internal.widget.CachingIconView;
 import com.android.systemui.SysuiTestCase;
+import com.android.systemui.flags.FakeFeatureFlags;
+import com.android.systemui.flags.Flags;
 import com.android.systemui.plugins.statusbar.NotificationMenuRowPlugin;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
 import com.android.systemui.statusbar.notification.AboveShelfChangedListener;
@@ -61,6 +68,7 @@ import com.android.systemui.statusbar.notification.FeedbackIcon;
 import com.android.systemui.statusbar.notification.SourceType;
 import com.android.systemui.statusbar.notification.collection.NotificationEntry;
 import com.android.systemui.statusbar.notification.row.ExpandableView.OnHeightChangedListener;
+import com.android.systemui.statusbar.notification.row.wrapper.NotificationViewWrapper;
 import com.android.systemui.statusbar.notification.stack.NotificationChildrenContainer;
 
 import org.junit.Assert;
@@ -72,6 +80,7 @@ import org.mockito.Mockito;
 import org.mockito.junit.MockitoJUnit;
 import org.mockito.junit.MockitoRule;
 
+import java.util.Arrays;
 import java.util.List;
 
 @SmallTest
@@ -96,6 +105,9 @@ public class ExpandableNotificationRowTest extends SysuiTestCase {
                 mDependency,
                 TestableLooper.get(this));
         mNotificationTestHelper.setDefaultInflationFlags(FLAG_CONTENT_VIEW_ALL);
+        FakeFeatureFlags fakeFeatureFlags = new FakeFeatureFlags();
+        fakeFeatureFlags.set(Flags.NOTIFICATION_ANIMATE_BIG_PICTURE, true);
+        mNotificationTestHelper.setFeatureFlags(fakeFeatureFlags);
         // create a standard private notification row
         Notification normalNotif = mNotificationTestHelper.createNotification();
         normalNotif.publicVersion = null;
@@ -559,4 +571,123 @@ public class ExpandableNotificationRowTest extends SysuiTestCase {
         Assert.assertEquals(1f, mGroupRow.getBottomRoundness(), 0.001f);
         Assert.assertEquals(1f, mGroupRow.getChildrenContainer().getBottomRoundness(), 0.001f);
     }
+
+    @Test
+    public void testSetContentAnimationRunning_Run() throws Exception {
+        // Create views for the notification row.
+        NotificationContentView publicLayout = mock(NotificationContentView.class);
+        mNotifRow.setPublicLayout(publicLayout);
+        NotificationContentView privateLayout = mock(NotificationContentView.class);
+        mNotifRow.setPrivateLayout(privateLayout);
+
+        mNotifRow.setAnimationRunning(true);
+        verify(publicLayout, times(1)).setContentAnimationRunning(true);
+        verify(privateLayout, times(1)).setContentAnimationRunning(true);
+    }
+
+    @Test
+    public void testSetContentAnimationRunning_Stop() {
+        // Create views for the notification row.
+        NotificationContentView publicLayout = mock(NotificationContentView.class);
+        mNotifRow.setPublicLayout(publicLayout);
+        NotificationContentView privateLayout = mock(NotificationContentView.class);
+        mNotifRow.setPrivateLayout(privateLayout);
+
+        mNotifRow.setAnimationRunning(false);
+        verify(publicLayout, times(1)).setContentAnimationRunning(false);
+        verify(privateLayout, times(1)).setContentAnimationRunning(false);
+    }
+
+    @Test
+    public void testSetContentAnimationRunningInGroupChild_Run() {
+        // Creates parent views on mGroupRow.
+        NotificationContentView publicParentLayout = mock(NotificationContentView.class);
+        mGroupRow.setPublicLayout(publicParentLayout);
+        NotificationContentView privateParentLayout = mock(NotificationContentView.class);
+        mGroupRow.setPrivateLayout(privateParentLayout);
+
+        // Create child views on mNotifRow.
+        NotificationContentView publicChildLayout = mock(NotificationContentView.class);
+        mNotifRow.setPublicLayout(publicChildLayout);
+        NotificationContentView privateChildLayout = mock(NotificationContentView.class);
+        mNotifRow.setPrivateLayout(privateChildLayout);
+        when(mNotifRow.isGroupExpanded()).thenReturn(true);
+        setMockChildrenContainer(mGroupRow, mNotifRow);
+
+        mGroupRow.setAnimationRunning(true);
+        verify(publicParentLayout, times(1)).setContentAnimationRunning(true);
+        verify(privateParentLayout, times(1)).setContentAnimationRunning(true);
+        // The child layouts should be started too.
+        verify(publicChildLayout, times(1)).setContentAnimationRunning(true);
+        verify(privateChildLayout, times(1)).setContentAnimationRunning(true);
+    }
+
+
+    @Test
+    public void testSetIconAnimationRunningGroup_Run() {
+        // Create views for a group row.
+        NotificationContentView publicParentLayout = mock(NotificationContentView.class);
+        mGroupRow.setPublicLayout(publicParentLayout);
+        NotificationContentView privateParentLayout = mock(NotificationContentView.class);
+        mGroupRow.setPrivateLayout(privateParentLayout);
+        when(mGroupRow.isGroupExpanded()).thenReturn(true);
+
+        // Sets up mNotifRow as a child ExpandableNotificationRow.
+        NotificationContentView publicChildLayout = mock(NotificationContentView.class);
+        mNotifRow.setPublicLayout(publicChildLayout);
+        NotificationContentView privateChildLayout = mock(NotificationContentView.class);
+        mNotifRow.setPrivateLayout(privateChildLayout);
+        when(mNotifRow.isGroupExpanded()).thenReturn(true);
+
+        NotificationChildrenContainer mockContainer =
+                setMockChildrenContainer(mGroupRow, mNotifRow);
+
+        // Mock the children view wrappers, and give them each an icon.
+        NotificationViewWrapper mockViewWrapper = mock(NotificationViewWrapper.class);
+        when(mockContainer.getNotificationViewWrapper()).thenReturn(mockViewWrapper);
+        CachingIconView mockIcon = mock(CachingIconView.class);
+        when(mockViewWrapper.getIcon()).thenReturn(mockIcon);
+
+        NotificationViewWrapper mockLowPriorityViewWrapper = mock(NotificationViewWrapper.class);
+        when(mockContainer.getLowPriorityViewWrapper()).thenReturn(mockLowPriorityViewWrapper);
+        CachingIconView mockLowPriorityIcon = mock(CachingIconView.class);
+        when(mockLowPriorityViewWrapper.getIcon()).thenReturn(mockLowPriorityIcon);
+
+        // Give the icon image views drawables, so we can make sure they animate.
+        // We use both AnimationDrawables and AnimatedVectorDrawables to ensure both work.
+        AnimationDrawable drawable = mock(AnimationDrawable.class);
+        AnimatedVectorDrawable vectorDrawable = mock(AnimatedVectorDrawable.class);
+        setDrawableIconsInImageView(mockIcon, drawable, vectorDrawable);
+
+        AnimationDrawable lowPriDrawable = mock(AnimationDrawable.class);
+        AnimatedVectorDrawable lowPriVectorDrawable = mock(AnimatedVectorDrawable.class);
+        setDrawableIconsInImageView(mockLowPriorityIcon, lowPriDrawable, lowPriVectorDrawable);
+
+        mGroupRow.setAnimationRunning(true);
+        verify(drawable, times(1)).start();
+        verify(vectorDrawable, times(1)).start();
+        verify(lowPriDrawable, times(1)).start();
+        verify(lowPriVectorDrawable, times(1)).start();
+    }
+
+    private void setDrawableIconsInImageView(CachingIconView icon, Drawable iconDrawable,
+            Drawable rightIconDrawable) {
+        ImageView iconView = mock(ImageView.class);
+        when(icon.findViewById(com.android.internal.R.id.icon)).thenReturn(iconView);
+        when(iconView.getDrawable()).thenReturn(iconDrawable);
+
+        ImageView rightIconView = mock(ImageView.class);
+        when(icon.findViewById(com.android.internal.R.id.right_icon)).thenReturn(rightIconView);
+        when(rightIconView.getDrawable()).thenReturn(rightIconDrawable);
+    }
+
+    private NotificationChildrenContainer setMockChildrenContainer(
+            ExpandableNotificationRow parentRow, ExpandableNotificationRow childRow) {
+        List<ExpandableNotificationRow> rowList = Arrays.asList(childRow);
+        NotificationChildrenContainer mockContainer = mock(NotificationChildrenContainer.class);
+        when(mockContainer.getNotificationChildCount()).thenReturn(1);
+        when(mockContainer.getAttachedChildren()).thenReturn(rowList);
+        parentRow.setChildrenContainer(mockContainer);
+        return mockContainer;
+    }
 }

packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/NotificationContentViewTest.kt

@@ -34,9 +34,12 @@ import com.android.systemui.media.dialog.MediaOutputDialogFactory
 import com.android.systemui.statusbar.notification.FeedbackIcon
 import com.android.systemui.statusbar.notification.collection.NotificationEntry
 import com.android.systemui.statusbar.notification.people.PeopleNotificationIdentifier
+import com.android.systemui.statusbar.notification.row.wrapper.NotificationViewWrapper
 import com.android.systemui.util.mockito.mock
 import com.android.systemui.util.mockito.whenever
 import junit.framework.Assert.assertEquals
+import junit.framework.Assert.assertFalse
+import junit.framework.Assert.assertTrue
 import org.junit.Before
 import org.junit.Test
 import org.junit.runner.RunWith
@@ -44,6 +47,7 @@ import org.mockito.Mock
 import org.mockito.Mockito.doReturn
 import org.mockito.Mockito.never
 import org.mockito.Mockito.spy
+import org.mockito.Mockito.times
 import org.mockito.Mockito.verify
 import org.mockito.MockitoAnnotations.initMocks
 
@@ -305,6 +309,86 @@ class NotificationContentViewTest : SysuiTestCase() {
         assertEquals(0, getMarginBottom(actionListMarginTarget))
     }
 
+    @Test
+    fun onSetAnimationRunning() {
+        // Given: contractedWrapper, enpandedWrapper, and headsUpWrapper being set
+        val mockContracted = mock<NotificationViewWrapper>()
+        val mockExpanded = mock<NotificationViewWrapper>()
+        val mockHeadsUp = mock<NotificationViewWrapper>()
+
+        view.setContractedWrapper(mockContracted)
+        view.setExpandedWrapper(mockExpanded)
+        view.setHeadsUpWrapper(mockHeadsUp)
+
+        // When: we set content animation running.
+        assertTrue(view.setContentAnimationRunning(true))
+
+        // Then: contractedChild, expandedChild, and headsUpChild should have setAnimationsRunning
+        // called on them.
+        verify(mockContracted, times(1)).setAnimationsRunning(true)
+        verify(mockExpanded, times(1)).setAnimationsRunning(true)
+        verify(mockHeadsUp, times(1)).setAnimationsRunning(true)
+
+        // When: we set content animation running true _again_.
+        assertFalse(view.setContentAnimationRunning(true))
+
+        // Then: the children should not have setAnimationRunning called on them again.
+        // Verify counts number of calls so far on the object, so these still register as 1.
+        verify(mockContracted, times(1)).setAnimationsRunning(true)
+        verify(mockExpanded, times(1)).setAnimationsRunning(true)
+        verify(mockHeadsUp, times(1)).setAnimationsRunning(true)
+    }
+
+    @Test
+    fun onSetAnimationStopped() {
+        // Given: contractedWrapper, expandedWrapper, and headsUpWrapper being set
+        val mockContracted = mock<NotificationViewWrapper>()
+        val mockExpanded = mock<NotificationViewWrapper>()
+        val mockHeadsUp = mock<NotificationViewWrapper>()
+
+        view.setContractedWrapper(mockContracted)
+        view.setExpandedWrapper(mockExpanded)
+        view.setHeadsUpWrapper(mockHeadsUp)
+
+        // When: we set content animation running.
+        assertTrue(view.setContentAnimationRunning(true))
+
+        // Then: contractedChild, expandedChild, and headsUpChild should have setAnimationsRunning
+        // called on them.
+        verify(mockContracted).setAnimationsRunning(true)
+        verify(mockExpanded).setAnimationsRunning(true)
+        verify(mockHeadsUp).setAnimationsRunning(true)
+
+        // When: we set content animation running false, the state changes, so the function
+        // returns true.
+        assertTrue(view.setContentAnimationRunning(false))
+
+        // Then: the children have their animations stopped.
+        verify(mockContracted).setAnimationsRunning(false)
+        verify(mockExpanded).setAnimationsRunning(false)
+        verify(mockHeadsUp).setAnimationsRunning(false)
+    }
+
+    @Test
+    fun onSetAnimationInitStopped() {
+        // Given: contractedWrapper, expandedWrapper, and headsUpWrapper being set
+        val mockContracted = mock<NotificationViewWrapper>()
+        val mockExpanded = mock<NotificationViewWrapper>()
+        val mockHeadsUp = mock<NotificationViewWrapper>()
+
+        view.setContractedWrapper(mockContracted)
+        view.setExpandedWrapper(mockExpanded)
+        view.setHeadsUpWrapper(mockHeadsUp)
+
+        // When: we try to stop the animations before they've been started.
+        assertFalse(view.setContentAnimationRunning(false))
+
+        // Then: the children should not have setAnimationRunning called on them again.
+        verify(mockContracted, never()).setAnimationsRunning(false)
+        verify(mockExpanded, never()).setAnimationsRunning(false)
+        verify(mockHeadsUp, never()).setAnimationsRunning(false)
+    }
+
     private fun createMockContainingNotification(notificationEntry: NotificationEntry) =
         mock<ExpandableNotificationRow>().apply {
             whenever(this.entry).thenReturn(notificationEntry)

packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/NotificationTestHelper.java

@@ -53,6 +53,7 @@ import com.android.internal.logging.UiEventLogger;
 import com.android.systemui.TestableDependency;
 import com.android.systemui.classifier.FalsingCollectorFake;
 import com.android.systemui.classifier.FalsingManagerFake;
+import com.android.systemui.flags.FeatureFlags;
 import com.android.systemui.media.controls.util.MediaFeatureFlag;
 import com.android.systemui.media.dialog.MediaOutputDialogFactory;
 import com.android.systemui.plugins.statusbar.StatusBarStateController;
@@ -130,6 +131,7 @@ public class NotificationTestHelper {
     public final OnUserInteractionCallback mOnUserInteractionCallback;
     public final Runnable mFutureDismissalRunnable;
     private @InflationFlag int mDefaultInflationFlags;
+    private FeatureFlags mFeatureFlags;
 
     public NotificationTestHelper(
             Context context,
@@ -193,12 +195,17 @@ public class NotificationTestHelper {
         mFutureDismissalRunnable = mock(Runnable.class);
         when(mOnUserInteractionCallback.registerFutureDismissal(any(), anyInt()))
                 .thenReturn(mFutureDismissalRunnable);
+        mFeatureFlags = mock(FeatureFlags.class);
     }
 
     public void setDefaultInflationFlags(@InflationFlag int defaultInflationFlags) {
         mDefaultInflationFlags = defaultInflationFlags;
     }
 
+    public void setFeatureFlags(FeatureFlags featureFlags) {
+        mFeatureFlags = featureFlags;
+    }
+
     public ExpandableNotificationRowLogger getMockLogger() {
         return mMockLogger;
     }
@@ -561,7 +568,8 @@ public class NotificationTestHelper {
                 mock(NotificationGutsManager.class),
                 mock(MetricsLogger.class),
                 mock(SmartReplyConstants.class),
-                mock(SmartReplyController.class));
+                mock(SmartReplyController.class),
+                mFeatureFlags);
 
         row.setAboveShelfChangedListener(aboveShelf -> { });
         mBindStage.getStageParams(entry).requireContentViews(extraInflationFlags);

packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/wrapper/NotificationBigPictureTemplateViewWrapperTest.java

@@ -16,11 +16,12 @@
 
 package com.android.systemui.statusbar.notification.row.wrapper;
 
+import static org.junit.Assert.assertNotNull;
 import static org.mockito.Mockito.mock;
-import static org.mockito.Mockito.when;
+import static org.mockito.Mockito.verify;
 
 import android.app.Notification;
-import android.content.Context;
+import android.graphics.drawable.AnimatedImageDrawable;
 import android.graphics.drawable.Icon;
 import android.os.Bundle;
 import android.testing.AndroidTestingRunner;
@@ -28,11 +29,11 @@ import android.testing.TestableLooper;
 import android.testing.TestableLooper.RunWithLooper;
 import android.view.LayoutInflater;
 import android.view.View;
-import android.widget.LinearLayout;
-import android.widget.TextView;
 
 import androidx.test.filters.SmallTest;
 
+import com.android.internal.R;
+import com.android.internal.widget.BigPictureNotificationImageView;
 import com.android.systemui.SysuiTestCase;
 import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow;
 import com.android.systemui.statusbar.notification.row.NotificationTestHelper;
@@ -73,4 +74,38 @@ public class NotificationBigPictureTemplateViewWrapperTest extends SysuiTestCase
                 Notification.EXTRA_LARGE_ICON_BIG, new Bundle());
         wrapper.onContentUpdated(mRow);
     }
+
+    @Test
+    public void setAnimationsRunning_Run() {
+        BigPictureNotificationImageView imageView = mView.findViewById(R.id.big_picture);
+        AnimatedImageDrawable mockDrawable = mock(AnimatedImageDrawable.class);
+
+        assertNotNull(imageView);
+        imageView.setImageDrawable(mockDrawable);
+
+        NotificationViewWrapper wrapper = new NotificationBigPictureTemplateViewWrapper(mContext,
+                mView, mRow);
+        // Required to re-initialize the imageView to the imageView created above.
+        wrapper.onContentUpdated(mRow);
+
+        wrapper.setAnimationsRunning(true);
+        verify(mockDrawable).start();
+    }
+
+    @Test
+    public void setAnimationsRunning_Stop() {
+        BigPictureNotificationImageView imageView = mView.findViewById(R.id.big_picture);
+        AnimatedImageDrawable mockDrawable = mock(AnimatedImageDrawable.class);
+
+        assertNotNull(imageView);
+        imageView.setImageDrawable(mockDrawable);
+
+        NotificationViewWrapper wrapper = new NotificationBigPictureTemplateViewWrapper(mContext,
+                mView, mRow);
+        // Required to re-initialize the imageView to the imageView created above.
+        wrapper.onContentUpdated(mRow);
+
+        wrapper.setAnimationsRunning(false);
+        verify(mockDrawable).stop();
+    }
 }

packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/wrapper/NotificationConversationTemplateViewWrapperTest.kt

@@ -0,0 +1,143 @@
+/*
+ * Copyright (C) 2022 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.statusbar.notification.row.wrapper
+
+import android.graphics.drawable.AnimatedImageDrawable
+import android.testing.AndroidTestingRunner
+import android.testing.TestableLooper
+import android.testing.TestableLooper.RunWithLooper
+import android.view.View
+import androidx.test.filters.SmallTest
+import com.android.internal.R
+import com.android.internal.widget.CachingIconView
+import com.android.internal.widget.ConversationLayout
+import com.android.internal.widget.MessagingGroup
+import com.android.internal.widget.MessagingImageMessage
+import com.android.internal.widget.MessagingLinearLayout
+import com.android.systemui.SysuiTestCase
+import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow
+import com.android.systemui.statusbar.notification.row.NotificationTestHelper
+import com.android.systemui.util.mockito.any
+import com.android.systemui.util.mockito.mock
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mockito.verify
+import org.mockito.Mockito.`when` as whenever
+
+@SmallTest
+@RunWith(AndroidTestingRunner::class)
+@RunWithLooper
+class NotificationConversationTemplateViewWrapperTest : SysuiTestCase() {
+
+    private lateinit var mRow: ExpandableNotificationRow
+    private lateinit var helper: NotificationTestHelper
+
+    @Before
+    fun setUp() {
+        allowTestableLooperAsMainThread()
+        helper = NotificationTestHelper(mContext, mDependency, TestableLooper.get(this))
+        mRow = helper.createRow()
+    }
+
+    @Test
+    fun setAnimationsRunning_Run() {
+        // Creates a mocked out NotificationEntry of ConversationLayout type,
+        // with a mock imageMessage.drawable embedded in its MessagingImageMessages
+        // (both top level, and in a group).
+        val mockDrawable = mock<AnimatedImageDrawable>()
+        val mockDrawable2 = mock<AnimatedImageDrawable>()
+        val mockLayoutView: View = fakeConversationLayout(mockDrawable, mockDrawable2)
+
+        val wrapper: NotificationViewWrapper =
+            NotificationConversationTemplateViewWrapper(mContext, mockLayoutView, mRow)
+        wrapper.onContentUpdated(mRow)
+        wrapper.setAnimationsRunning(true)
+
+        // Verifies that each AnimatedImageDrawable is started animating.
+        verify(mockDrawable).start()
+        verify(mockDrawable2).start()
+    }
+
+    @Test
+    fun setAnimationsRunning_Stop() {
+        // Creates a mocked out NotificationEntry of ConversationLayout type,
+        // with a mock imageMessage.drawable embedded in its MessagingImageMessages
+        // (both top level, and in a group).
+        val mockDrawable = mock<AnimatedImageDrawable>()
+        val mockDrawable2 = mock<AnimatedImageDrawable>()
+        val mockLayoutView: View = fakeConversationLayout(mockDrawable, mockDrawable2)
+
+        val wrapper: NotificationViewWrapper =
+            NotificationConversationTemplateViewWrapper(mContext, mockLayoutView, mRow)
+        wrapper.onContentUpdated(mRow)
+        wrapper.setAnimationsRunning(false)
+
+        // Verifies that each AnimatedImageDrawable is started animating.
+        verify(mockDrawable).stop()
+        verify(mockDrawable2).stop()
+    }
+
+    private fun fakeConversationLayout(
+        mockDrawableGroupMessage: AnimatedImageDrawable,
+        mockDrawableImageMessage: AnimatedImageDrawable
+    ): View {
+        val mockMessagingImageMessage: MessagingImageMessage =
+            mock<MessagingImageMessage>().apply {
+                whenever(drawable).thenReturn(mockDrawableImageMessage)
+            }
+        val mockImageMessageContainer: MessagingLinearLayout =
+            mock<MessagingLinearLayout>().apply {
+                whenever(childCount).thenReturn(1)
+                whenever(getChildAt(any())).thenReturn(mockMessagingImageMessage)
+            }
+
+        val mockMessagingImageMessageForGroup: MessagingImageMessage =
+            mock<MessagingImageMessage>().apply {
+                whenever(drawable).thenReturn(mockDrawableGroupMessage)
+            }
+        val mockMessageContainer: MessagingLinearLayout =
+            mock<MessagingLinearLayout>().apply {
+                whenever(childCount).thenReturn(1)
+                whenever(getChildAt(any())).thenReturn(mockMessagingImageMessageForGroup)
+            }
+        val mockGroup: MessagingGroup =
+            mock<MessagingGroup>().apply {
+                whenever(messageContainer).thenReturn(mockMessageContainer)
+            }
+        val mockView: View =
+            mock<ConversationLayout>().apply {
+                whenever(messagingGroups).thenReturn(ArrayList<MessagingGroup>(listOf(mockGroup)))
+                whenever(imageMessageContainer).thenReturn(mockImageMessageContainer)
+                whenever(messagingLinearLayout).thenReturn(mockMessageContainer)
+
+                // These must be mocked as they're required to be nonnull.
+                whenever(requireViewById<View>(R.id.conversation_icon_container)).thenReturn(mock())
+                whenever(requireViewById<CachingIconView>(R.id.conversation_icon))
+                    .thenReturn(mock())
+                whenever(findViewById<CachingIconView>(R.id.icon)).thenReturn(mock())
+                whenever(requireViewById<View>(R.id.conversation_icon_badge_bg)).thenReturn(mock())
+                whenever(requireViewById<View>(R.id.expand_button)).thenReturn(mock())
+                whenever(requireViewById<View>(R.id.expand_button_container)).thenReturn(mock())
+                whenever(requireViewById<View>(R.id.conversation_icon_badge_ring))
+                    .thenReturn(mock())
+                whenever(requireViewById<View>(R.id.app_name_text)).thenReturn(mock())
+                whenever(requireViewById<View>(R.id.conversation_text)).thenReturn(mock())
+            }
+        return mockView
+    }
+}

packages/SystemUI/tests/src/com/android/systemui/statusbar/notification/row/wrapper/NotificationMessagingTemplateViewWrapperTest.kt

@@ -0,0 +1,103 @@
+/*
+ * Copyright (C) 2022 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.statusbar.notification.row.wrapper
+
+import android.graphics.drawable.AnimatedImageDrawable
+import android.testing.AndroidTestingRunner
+import android.testing.TestableLooper
+import android.testing.TestableLooper.RunWithLooper
+import android.view.View
+import androidx.test.filters.SmallTest
+import com.android.internal.widget.MessagingGroup
+import com.android.internal.widget.MessagingImageMessage
+import com.android.internal.widget.MessagingLayout
+import com.android.internal.widget.MessagingLinearLayout
+import com.android.systemui.SysuiTestCase
+import com.android.systemui.statusbar.notification.row.ExpandableNotificationRow
+import com.android.systemui.statusbar.notification.row.NotificationTestHelper
+import com.android.systemui.util.mockito.any
+import com.android.systemui.util.mockito.mock
+import org.junit.Before
+import org.junit.Test
+import org.junit.runner.RunWith
+import org.mockito.Mockito.verify
+import org.mockito.Mockito.`when` as whenever
+
+@SmallTest
+@RunWith(AndroidTestingRunner::class)
+@RunWithLooper
+class NotificationMessagingTemplateViewWrapperTest : SysuiTestCase() {
+
+    private lateinit var mRow: ExpandableNotificationRow
+    private lateinit var helper: NotificationTestHelper
+
+    @Before
+    fun setUp() {
+        allowTestableLooperAsMainThread()
+        helper = NotificationTestHelper(mContext, mDependency, TestableLooper.get(this))
+        mRow = helper.createRow()
+    }
+
+    @Test
+    fun setAnimationsRunning_Run() {
+        // Creates a mocked out NotificationEntry of MessagingLayout/MessagingStyle type,
+        // with a mock imageMessage.drawable embedded in its MessagingImageMessage.
+        val mockDrawable = mock<AnimatedImageDrawable>()
+        val mockLayoutView: View = fakeMessagingLayout(mockDrawable)
+
+        val wrapper: NotificationViewWrapper =
+            NotificationMessagingTemplateViewWrapper(mContext, mockLayoutView, mRow)
+        wrapper.setAnimationsRunning(true)
+
+        // Verifies that each AnimatedImageDrawable is started animating.
+        verify(mockDrawable).start()
+    }
+
+    @Test
+    fun setAnimationsRunning_Stop() {
+        // Creates a mocked out NotificationEntry of MessagingLayout/MessagingStyle type,
+        // with a mock imageMessage.drawable embedded in its MessagingImageMessage.
+        val mockDrawable = mock<AnimatedImageDrawable>()
+        val mockLayoutView: View = fakeMessagingLayout(mockDrawable)
+
+        val wrapper: NotificationViewWrapper =
+            NotificationMessagingTemplateViewWrapper(mContext, mockLayoutView, mRow)
+        wrapper.setAnimationsRunning(false)
+
+        // Verifies that each AnimatedImageDrawable is started animating.
+        verify(mockDrawable).stop()
+    }
+
+    private fun fakeMessagingLayout(mockDrawable: AnimatedImageDrawable): View {
+        val mockMessagingImageMessage: MessagingImageMessage =
+            mock<MessagingImageMessage>().apply { whenever(drawable).thenReturn(mockDrawable) }
+        val mockMessageContainer: MessagingLinearLayout =
+            mock<MessagingLinearLayout>().apply {
+                whenever(childCount).thenReturn(1)
+                whenever(getChildAt(any())).thenReturn(mockMessagingImageMessage)
+            }
+        val mockGroup: MessagingGroup =
+            mock<MessagingGroup>().apply {
+                whenever(messageContainer).thenReturn(mockMessageContainer)
+            }
+        val mockView: View =
+            mock<MessagingLayout>().apply {
+                whenever(messagingGroups).thenReturn(ArrayList<MessagingGroup>(listOf(mockGroup)))
+            }
+        return mockView
+    }
+}