Reduces padding of the Overview shelf in no button mode.

Before: https://screenshot.googleplex.com/iw6baTCfoy2.png
After: https://screenshot.googleplex.com/8CcsQvLhYDo.png
Desired: https://b.corp.google.com/action/issues/139551306/attachments/26925873?download=false

Test: Examined before and after padding and verified 3-button is unaffected.
Fixes: 139551306

Change-Id: Ia416399cf25e7c6c2fb8aa84ad20e7ad74dcd31b
(cherry picked from commit ddc9622e92fb5a4b211a5942ec679d195dc10d19)

3 files changed, 13 insertions, 6 deletions

diff --git a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/OverviewState.java b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/OverviewState.java
index 151ceb834..93d4de17d 100644
--- a/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/OverviewState.java
+++ b/quickstep/recents_ui_overrides/src/com/android/launcher3/uioverrides/states/OverviewState.java
@@ -32,6 +32,7 @@ import static com.android.launcher3.anim.Interpolators.OVERSHOOT_1_7;
 import static com.android.launcher3.logging.LoggerUtils.newContainerTarget;
 import static com.android.launcher3.states.RotationHelper.REQUEST_ROTATE;
 
+import android.content.Context;
 import android.graphics.Rect;
 import android.view.View;
 
@@ -159,11 +160,15 @@ public class OverviewState extends LauncherState {
     }
 
     public static float getDefaultSwipeHeight(Launcher launcher) {
-        return getDefaultSwipeHeight(launcher.getDeviceProfile());
+        return getDefaultSwipeHeight(launcher, launcher.getDeviceProfile());
     }
 
-    public static float getDefaultSwipeHeight(DeviceProfile dp) {
-        return dp.allAppsCellHeightPx - dp.allAppsIconTextSizePx;
+    public static float getDefaultSwipeHeight(Context context, DeviceProfile dp) {
+        float swipeHeight = dp.allAppsCellHeightPx - dp.allAppsIconTextSizePx;
+        if (SysUINavigationMode.getMode(context) == SysUINavigationMode.Mode.NO_BUTTON) {
+            swipeHeight -= dp.getInsets().bottom;
+        }
+        return swipeHeight;
     }
 
     @Override
diff --git a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
index 4eb9df2cb..da4642636 100644
--- a/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
+++ b/quickstep/recents_ui_overrides/src/com/android/quickstep/QuickstepTestInformationHandler.java
@@ -24,7 +24,7 @@ public class QuickstepTestInformationHandler extends TestInformationHandler {
         switch (method) {
             case TestProtocol.REQUEST_HOME_TO_OVERVIEW_SWIPE_HEIGHT: {
                 final float swipeHeight =
-                        OverviewState.getDefaultSwipeHeight(mDeviceProfile);
+                        OverviewState.getDefaultSwipeHeight(mContext, mDeviceProfile);
                 response.putInt(TestProtocol.TEST_INFO_RESPONSE_FIELD, (int) swipeHeight);
                 return response;
             }
diff --git a/quickstep/src/com/android/quickstep/views/ShelfScrimView.java b/quickstep/src/com/android/quickstep/views/ShelfScrimView.java
index 3747f9a8b..dc6b56eec 100644
--- a/quickstep/src/com/android/quickstep/views/ShelfScrimView.java
+++ b/quickstep/src/com/android/quickstep/views/ShelfScrimView.java
@@ -156,12 +156,14 @@ public class ShelfScrimView extends ScrimView implements NavigationModeChangeLis
                 mDragHandleProgress = 1;
                 mMidAlpha = 0;
             } else {
-                mMidAlpha = Themes.getAttrInteger(getContext(), R.attr.allAppsInterimScrimAlpha);
+                Context context = getContext();
+                mMidAlpha = Themes.getAttrInteger(context, R.attr.allAppsInterimScrimAlpha);
                 mMidProgress =  OVERVIEW.getVerticalProgress(mLauncher);
                 Rect hotseatPadding = dp.getHotseatLayoutPadding();
                 int hotseatSize = dp.hotseatBarSizePx + dp.getInsets().bottom
                         - hotseatPadding.bottom - hotseatPadding.top;
-                float dragHandleTop = Math.min(hotseatSize, OverviewState.getDefaultSwipeHeight(dp));
+                float dragHandleTop =
+                        Math.min(hotseatSize, OverviewState.getDefaultSwipeHeight(context, dp));
                 mDragHandleProgress =  1 - (dragHandleTop / mShiftRange);
             }
             mTopOffset = dp.getInsets().top - mShelfOffset;