Enforce platform level animation in CrossProfileApps.startMainActivity

With this change, whenever apps start an activity in another profile
using CrossProfileApps.startMainActivity, an animation will be enforced.
For now, we are showing the "open task" animation.
We may put something fancier if we have time in P.

Test: cts-tradefed run cts-dev --module DevicePolicyManager --test - com.android.cts.devicepolicy.CrossProfileAppsHostsideTest
Test: atest services/tests/servicestests/src/com/android/server/pm/crossprofile/CrossProfileAppsServiceImplTest.java
Bug: 70799822

Change-Id: I03525080151c6112633108419d69d64e76a511f3
diff --git a/services/core/java/com/android/server/wm/AppTransition.java b/services/core/java/com/android/server/wm/AppTransition.java
index c2cbced..4a74e29 100644
--- a/services/core/java/com/android/server/wm/AppTransition.java
+++ b/services/core/java/com/android/server/wm/AppTransition.java
@@ -44,17 +44,17 @@
 import static com.android.server.wm.WindowManagerDebugConfig.TAG_WITH_CLASS_NAME;
 import static com.android.server.wm.WindowManagerDebugConfig.TAG_WM;
 import static com.android.server.wm.WindowManagerInternal.AppTransitionListener;
+import static com.android.server.wm.WindowStateAnimator.STACK_CLIP_AFTER_ANIM;
 import static com.android.server.wm.WindowStateAnimator.STACK_CLIP_BEFORE_ANIM;
 import static com.android.server.wm.WindowStateAnimator.STACK_CLIP_NONE;
-import static com.android.server.wm.WindowStateAnimator.STACK_CLIP_AFTER_ANIM;
 import static com.android.server.wm.proto.AppTransitionProto.APP_TRANSITION_STATE;
 import static com.android.server.wm.proto.AppTransitionProto.LAST_USED_APP_TRANSITION;
 
 import android.annotation.Nullable;
 import android.app.ActivityManager;
+import android.content.ComponentName;
 import android.content.Context;
 import android.content.res.Configuration;
-import android.graphics.Bitmap;
 import android.graphics.GraphicBuffer;
 import android.graphics.Path;
 import android.graphics.Rect;
@@ -64,6 +64,7 @@
 import android.os.IRemoteCallback;
 import android.os.RemoteException;
 import android.os.SystemProperties;
+import android.os.UserHandle;
 import android.util.ArraySet;
 import android.util.Slog;
 import android.util.SparseArray;
@@ -199,6 +200,13 @@
     private static final int NEXT_TRANSIT_TYPE_THUMBNAIL_ASPECT_SCALE_DOWN = 6;
     private static final int NEXT_TRANSIT_TYPE_CUSTOM_IN_PLACE = 7;
     private static final int NEXT_TRANSIT_TYPE_CLIP_REVEAL = 8;
+
+    /**
+     * Refers to the transition to activity started by using {@link
+     * android.content.pm.crossprofile.CrossProfileApps#startMainActivity(ComponentName, UserHandle)
+     * }.
+     */
+    private static final int NEXT_TRANSIT_TYPE_OPEN_CROSS_PROFILE_APPS = 9;
     private int mNextAppTransitionType = NEXT_TRANSIT_TYPE_NONE;
 
     // These are the possible states for the enter/exit activities during a thumbnail transition
@@ -1605,6 +1613,17 @@
                         + " transit=" + appTransitionToString(transit) + " isEntrance=" + enter
                         + " Callers=" + Debug.getCallers(3));
             }
+        } else if (mNextAppTransitionType == NEXT_TRANSIT_TYPE_OPEN_CROSS_PROFILE_APPS
+                && (transit == TRANSIT_ACTIVITY_OPEN
+                        || transit == TRANSIT_TASK_OPEN
+                        || transit == TRANSIT_TASK_TO_FRONT)) {
+            a = loadAnimationRes("android", enter
+                    ? com.android.internal.R.anim.activity_open_enter
+                    : com.android.internal.R.anim.activity_open_exit);
+            Slog.v(TAG,
+                    "applyAnimation NEXT_TRANSIT_TYPE_OPEN_CROSS_PROFILE_APPS:"
+                            + " anim=" + a + " transit=" + appTransitionToString(transit)
+                            + " isEntrance=" + enter + " Callers=" + Debug.getCallers(3));
         } else {
             int animAttr = 0;
             switch (transit) {
@@ -1833,6 +1852,17 @@
     }
 
     /**
+     * @see {@link #NEXT_TRANSIT_TYPE_OPEN_CROSS_PROFILE_APPS}
+     */
+    void overridePendingAppTransitionStartCrossProfileApps() {
+        if (isTransitionSet()) {
+            clear();
+            mNextAppTransitionType = NEXT_TRANSIT_TYPE_OPEN_CROSS_PROFILE_APPS;
+            postAnimationCallback();
+        }
+    }
+
+    /**
      * If a future is set for the app transition specs, fetch it in another thread.
      */
     private void fetchAppTransitionSpecsFromFuture() {