Fix resize info activity not showing in some cases

Show all visible activities in split screen primary window.
Add test to verify showing all activities.

Bug: 135520403
Test: atest WmTests:ActivityStarterTests
Change-Id: Ie0f25166c0008793b77f459157320f7901b44163

4 files changed, 96 insertions, 10 deletions

diff --git a/services/core/java/com/android/server/wm/ActivityStack.java b/services/core/java/com/android/server/wm/ActivityStack.java
index d71381ea0d79..6771842c6b73 100644
--- a/services/core/java/com/android/server/wm/ActivityStack.java
+++ b/services/core/java/com/android/server/wm/ActivityStack.java
@@ -1373,8 +1373,17 @@ class ActivityStack extends Task {
     /**
      * Make sure that all activities that need to be visible in the stack (that is, they
      * currently can be seen by the user) actually are and update their configuration.
+     * @param starting The top most activity in the task.
+     *                 The activity is either starting or resuming.
+     *                 Caller should ensure starting activity is visible.
+     * @param preserveWindows Flag indicating whether windows should be preserved when updating
+     *                        configuration in {@link mEnsureActivitiesVisibleHelper}.
+     * @param configChanges Parts of the configuration that changed for this activity for evaluating
+     *                      if the screen should be frozen as part of
+     *                      {@link mEnsureActivitiesVisibleHelper}.
+     *
      */
-    void ensureActivitiesVisible(ActivityRecord starting, int configChanges,
+    void ensureActivitiesVisible(@Nullable ActivityRecord starting, int configChanges,
             boolean preserveWindows) {
         ensureActivitiesVisible(starting, configChanges, preserveWindows, true /* notifyClients */);
     }
@@ -1383,9 +1392,19 @@ class ActivityStack extends Task {
      * Ensure visibility with an option to also update the configuration of visible activities.
      * @see #ensureActivitiesVisible(ActivityRecord, int, boolean)
      * @see RootWindowContainer#ensureActivitiesVisible(ActivityRecord, int, boolean)
+     * @param starting The top most activity in the task.
+     *                 The activity is either starting or resuming.
+     *                 Caller should ensure starting activity is visible.
+     * @param notifyClients Flag indicating whether the visibility updates should be sent to the
+     *                      clients in {@link mEnsureActivitiesVisibleHelper}.
+     * @param preserveWindows Flag indicating whether windows should be preserved when updating
+     *                        configuration in {@link mEnsureActivitiesVisibleHelper}.
+     * @param configChanges Parts of the configuration that changed for this activity for evaluating
+     *                      if the screen should be frozen as part of
+     *                      {@link mEnsureActivitiesVisibleHelper}.
      */
     // TODO: Should be re-worked based on the fact that each task as a stack in most cases.
-    void ensureActivitiesVisible(ActivityRecord starting, int configChanges,
+    void ensureActivitiesVisible(@Nullable ActivityRecord starting, int configChanges,
             boolean preserveWindows, boolean notifyClients) {
         mTopActivityOccludesKeyguard = false;
         mTopDismissingKeyguardActivity = null;
diff --git a/services/core/java/com/android/server/wm/ActivityStarter.java b/services/core/java/com/android/server/wm/ActivityStarter.java
index 4ea990285269..6b0ba46e5b1c 100644
--- a/services/core/java/com/android/server/wm/ActivityStarter.java
+++ b/services/core/java/com/android/server/wm/ActivityStarter.java
@@ -1539,7 +1539,10 @@ class ActivityStarter {
      *
      * Note: This method should only be called from {@link #startActivityUnchecked}.
      */
-    private int startActivityInner(final ActivityRecord r, ActivityRecord sourceRecord,
+
+    // TODO(b/152429287): Make it easier to exercise code paths through startActivityInner
+    @VisibleForTesting
+    int startActivityInner(final ActivityRecord r, ActivityRecord sourceRecord,
             IVoiceInteractionSession voiceSession, IVoiceInteractor voiceInteractor,
             int startFlags, boolean doResume, ActivityOptions options, Task inTask,
             boolean restrictedBgActivity) {
@@ -1660,7 +1663,10 @@ class ActivityStarter {
                 // Also, we don't want to resume activities in a task that currently has an overlay
                 // as the starting activity just needs to be in the visible paused state until the
                 // over is removed.
-                mTargetStack.ensureActivitiesVisible(mStartActivity, 0, !PRESERVE_WINDOWS);
+                // Passing {@code null} as the start parameter ensures all activities are made
+                // visible.
+                mTargetStack.ensureActivitiesVisible(null /* starting */,
+                        0 /* configChanges */, !PRESERVE_WINDOWS);
                 // Go ahead and tell window manager to execute app transition for this activity
                 // since the app transition will not be triggered through the resume channel.
                 mTargetStack.getDisplay().mDisplayContent.executeAppTransition();
diff --git a/services/core/java/com/android/server/wm/EnsureActivitiesVisibleHelper.java b/services/core/java/com/android/server/wm/EnsureActivitiesVisibleHelper.java
index c92de2b84df6..c4e03f5c65f5 100644
--- a/services/core/java/com/android/server/wm/EnsureActivitiesVisibleHelper.java
+++ b/services/core/java/com/android/server/wm/EnsureActivitiesVisibleHelper.java
@@ -21,6 +21,7 @@ import static android.app.WindowConfiguration.WINDOWING_MODE_FREEFORM;
 import static com.android.server.wm.ActivityStack.TAG_VISIBILITY;
 import static com.android.server.wm.ActivityTaskManagerDebugConfig.DEBUG_VISIBILITY;
 
+import android.annotation.Nullable;
 import android.util.Slog;
 
 import com.android.internal.util.function.pooled.PooledConsumer;
@@ -42,6 +43,16 @@ class EnsureActivitiesVisibleHelper {
         mContiner = container;
     }
 
+    /**
+     * Update all attributes except {@link mContiner} to use in subsequent calculations.
+     *
+     * @param starting The activity that is being started
+     * @param configChanges Parts of the configuration that changed for this activity for evaluating
+     *                      if the screen should be frozen.
+     * @param preserveWindows Flag indicating whether windows should be preserved when updating.
+     * @param notifyClients Flag indicating whether the configuration and visibility changes shoulc
+     *                      be sent to the clients.
+     */
     void reset(ActivityRecord starting, int configChanges, boolean preserveWindows,
             boolean notifyClients) {
         mStarting = starting;
@@ -60,8 +71,17 @@ class EnsureActivitiesVisibleHelper {
      * Ensure visibility with an option to also update the configuration of visible activities.
      * @see ActivityStack#ensureActivitiesVisible(ActivityRecord, int, boolean)
      * @see RootWindowContainer#ensureActivitiesVisible(ActivityRecord, int, boolean)
+     * @param starting The top most activity in the task.
+     *                 The activity is either starting or resuming.
+     *                 Caller should ensure starting activity is visible.
+     *
+     * @param configChanges Parts of the configuration that changed for this activity for evaluating
+     *                      if the screen should be frozen.
+     * @param preserveWindows Flag indicating whether windows should be preserved when updating.
+     * @param notifyClients Flag indicating whether the configuration and visibility changes shoulc
+     *                      be sent to the clients.
      */
-    void process(ActivityRecord starting, int configChanges, boolean preserveWindows,
+    void process(@Nullable ActivityRecord starting, int configChanges, boolean preserveWindows,
             boolean notifyClients) {
         reset(starting, configChanges, preserveWindows, notifyClients);
 
diff --git a/services/tests/wmtests/src/com/android/server/wm/ActivityStarterTests.java b/services/tests/wmtests/src/com/android/server/wm/ActivityStarterTests.java
index edc9756d6d0e..02d1f9b43e91 100644
--- a/services/tests/wmtests/src/com/android/server/wm/ActivityStarterTests.java
+++ b/services/tests/wmtests/src/com/android/server/wm/ActivityStarterTests.java
@@ -49,6 +49,7 @@ import static com.android.dx.mockito.inline.extended.ExtendedMockito.spy;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.spyOn;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.times;
 import static com.android.dx.mockito.inline.extended.ExtendedMockito.verify;
+import static com.android.server.wm.ActivityStackSupervisor.PRESERVE_WINDOWS;
 import static com.android.server.wm.WindowContainer.POSITION_BOTTOM;
 import static com.android.server.wm.WindowContainer.POSITION_TOP;
 
@@ -56,10 +57,10 @@ import static com.google.common.truth.Truth.assertThat;
 
 import static org.junit.Assert.assertEquals;
 import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
 import static org.mockito.ArgumentMatchers.any;
 import static org.mockito.ArgumentMatchers.anyBoolean;
 import static org.mockito.ArgumentMatchers.anyInt;
-import static org.mockito.ArgumentMatchers.anyObject;
 import static org.mockito.ArgumentMatchers.anyString;
 import static org.mockito.ArgumentMatchers.eq;
 
@@ -99,7 +100,6 @@ import org.junit.runner.RunWith;
 @Presubmit
 @RunWith(WindowTestRunner.class)
 public class ActivityStarterTests extends ActivityTestsBase {
-    private ActivityStarter mStarter;
     private ActivityStartController mController;
     private ActivityMetricsLogger mActivityMetricsLogger;
     private PackageManagerInternal mMockPackageManager;
@@ -127,8 +127,6 @@ public class ActivityStarterTests extends ActivityTestsBase {
         mController = mock(ActivityStartController.class);
         mActivityMetricsLogger = mock(ActivityMetricsLogger.class);
         clearInvocations(mActivityMetricsLogger);
-        mStarter = new ActivityStarter(mController, mService, mService.mStackSupervisor,
-                mock(ActivityStartInterceptor.class));
     }
 
     @Test
@@ -181,6 +179,7 @@ public class ActivityStarterTests extends ActivityTestsBase {
      * {@link ActivityStarter#execute} based on these preconditions and ensures the result matches
      * the expected. It is important to note that the method also checks side effects of the start,
      * such as ensuring {@link ActivityOptions#abort()} is called in the relevant scenarios.
+     *
      * @param preconditions A bitmask representing the preconditions for the launch
      * @param launchFlags The launch flags to be provided by the launch {@link Intent}.
      * @param expectedResult The expected result from the launch.
@@ -202,7 +201,7 @@ public class ActivityStarterTests extends ActivityTestsBase {
         final WindowProcessController wpc =
                 containsConditions(preconditions, PRECONDITION_NO_CALLER_APP)
                 ? null : new WindowProcessController(service, ai, null, 0, -1, null, listener);
-        doReturn(wpc).when(service).getProcessController(anyObject());
+        doReturn(wpc).when(service).getProcessController(any());
 
         final Intent intent = new Intent();
         intent.setFlags(launchFlags);
@@ -1034,4 +1033,46 @@ public class ActivityStarterTests extends ActivityTestsBase {
 
         verify(recentTasks, times(1)).add(any());
     }
+
+    @Test
+    public void testStartActivityInner_allSplitScreenPrimaryActivitiesVisible() {
+        // Given
+        final ActivityStarter starter = prepareStarter(0, false);
+
+        starter.setReason("testAllSplitScreenPrimaryActivitiesAreResumed");
+
+        final ActivityRecord targetRecord = new ActivityBuilder(mService).build();
+        targetRecord.setFocusable(false);
+        targetRecord.setVisibility(false);
+        final ActivityRecord sourceRecord = new ActivityBuilder(mService).build();
+
+        final ActivityStack stack = spy(
+                mRootWindowContainer.getDefaultTaskDisplayArea()
+                        .createStack(WINDOWING_MODE_SPLIT_SCREEN_PRIMARY, ACTIVITY_TYPE_STANDARD,
+                                /* onTop */true));
+
+        stack.addChild(targetRecord);
+
+        doReturn(stack).when(mRootWindowContainer)
+                .getLaunchStack(any(), any(), any(), anyBoolean(), any(), anyInt(), anyInt());
+
+        starter.mStartActivity = new ActivityBuilder(mService).build();
+
+        // When
+        starter.startActivityInner(
+                /* r */targetRecord,
+                /* sourceRecord */ sourceRecord,
+                /* voiceSession */null,
+                /* voiceInteractor */ null,
+                /* startFlags */ 0,
+                /* doResume */true,
+                /* options */null,
+                /* inTask */null,
+                /* restrictedBgActivity */false);
+
+        // Then
+        verify(stack).ensureActivitiesVisible(null, 0, !PRESERVE_WINDOWS);
+        verify(targetRecord).makeVisibleIfNeeded(null, true);
+        assertTrue(targetRecord.mVisibleRequested);
+    }
 }