commit 739a66eb8c2e043fce7b0ad4b46c2d4b6d91388a
author Becky Qiu <xuqiu@google.com> Wed Mar 18 12:34:10 2020 -0700
committer Becky Qiu <xuqiu@google.com> Wed Mar 18 17:41:35 2020 -0700
tree 22d0b589eb054b1935fa0b980cafca4418ba594b
parent 24b449d5571979698fe1350f0be397608a64b3fd

[Overview Actions] Hide task view footers when it's modal.

Demo: https://drive.google.com/a/google.com/file/d/1sXfHG0aMe7OzmIx7uZLAincvg6KizCLj/view?usp=sharing

Test: local
Bug: 151745339
Change-Id: Icf1263b87dbada2025a2d494bf1f2f067584f8c4

quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java

diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java
index c94b56c..56e3632 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/views/TaskView.java
@@ -247,8 +247,17 @@
 
     /** Updates UI based on whether the task is modal. */
     public void updateUiForModalTask() {
+        boolean isOverlayModal = isTaskOverlayModal();
         if (getRecentsView() != null) {
-            getRecentsView().updateUiForModalTask(this, isTaskOverlayModal());
+            getRecentsView().updateUiForModalTask(this, isOverlayModal);
+        }
+        // Hide footers when overlay is modal.
+        if (isOverlayModal) {
+            for (FooterWrapper footer : mFooters) {
+                if (footer != null) {
+                    footer.animateHide();
+                }
+            }
         }
     }
 
@@ -780,6 +789,22 @@
             animator.setDuration(100);
             animator.start();
         }
+
+        void animateHide() {
+            ValueAnimator animator = ValueAnimator.ofFloat(0.0f, 1.0f);
+            animator.addUpdateListener(anim -> {
+                mFooterVerticalOffset = anim.getAnimatedFraction();
+                updateFooterOffset();
+            });
+            animator.addListener(new AnimatorListenerAdapter() {
+                @Override
+                public void onAnimationEnd(Animator animation) {
+                    removeView(mView);
+                }
+            });
+            animator.setDuration(100);
+            animator.start();
+        }
     }
 
     @Override