Merge changes I7b9e6e7f,I9729cd40 into sc-dev am: 51b35256d2 am: ae054d8584

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/apps/Launcher3/+/14800258

Change-Id: I775c0edcfe403c854a7c87104fa9aba78761f18d

quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java

@@ -51,7 +51,7 @@ import com.android.quickstep.views.RecentsView;
  * first home screen instead of to Overview.
  */
 public class NoButtonNavbarToOverviewTouchController extends PortraitStatesTouchController {
-
+    private static final float ONE_HANDED_ACTIVATED_SLOP_MULTIPLIER = 2.5f;
 
     // How much of the movement to use for translating overview after swipe and hold.
     private static final float OVERVIEW_MOVEMENT_FACTOR = 0.25f;
@@ -260,4 +260,14 @@ public class NoButtonNavbarToOverviewTouchController extends PortraitStatesTouch
     private float dpiFromPx(float pixels) {
         return Utilities.dpiFromPx(pixels, mLauncher.getResources().getDisplayMetrics().densityDpi);
     }
+
+    @Override
+    public void onOneHandedModeStateChanged(boolean activated) {
+        if (activated) {
+            mDetector.setTouchSlopMultiplier(ONE_HANDED_ACTIVATED_SLOP_MULTIPLIER);
+        } else {
+            // Reset touch slop multiplier to default 1.0f
+            mDetector.setTouchSlopMultiplier(1f /* default */);
+        }
+    }
 }

quickstep/src/com/android/quickstep/BaseActivityInterface.java

@@ -114,6 +114,9 @@ public abstract class BaseActivityInterface<STATE_TYPE extends BaseState<STATE_T
 
     public abstract void onAssistantVisibilityChanged(float visibility);
 
+    /** Called when one handed mode activated or deactivated. */
+    public abstract void onOneHandedModeStateChanged(boolean activated);
+
     public abstract AnimationFactory prepareRecentsUI(RecentsAnimationDeviceState deviceState,
             boolean activityVisible, Consumer<AnimatorControllerWithResistance> callback);
 

quickstep/src/com/android/quickstep/FallbackActivityInterface.java

@@ -73,6 +73,11 @@ public final class FallbackActivityInterface extends
         // set to zero prior to this class becoming active.
     }
 
+    @Override
+    public void onOneHandedModeStateChanged(boolean activated) {
+        // Do nothing for FallbackActivityInterface
+    }
+
     /** 6 */
     @Override
     public AnimationFactory prepareRecentsUI(RecentsAnimationDeviceState deviceState,

quickstep/src/com/android/quickstep/LauncherActivityInterface.java

@@ -104,6 +104,15 @@ public final class LauncherActivityInterface extends
         launcher.onAssistantVisibilityChanged(visibility);
     }
 
+    @Override
+    public void onOneHandedModeStateChanged(boolean activated) {
+        Launcher launcher = getCreatedActivity();
+        if (launcher == null) {
+            return;
+        }
+        launcher.onOneHandedStateChanged(activated);
+    }
+
     @Override
     public AnimationFactory prepareRecentsUI(RecentsAnimationDeviceState deviceState,
             boolean activityVisible, Consumer<AnimatorControllerWithResistance> callback) {

quickstep/src/com/android/quickstep/OverviewComponentObserver.java

@@ -111,6 +111,11 @@ public final class OverviewComponentObserver {
         if (mDeviceState.isHomeDisabled() != mIsHomeDisabled) {
             updateOverviewTargets();
         }
+
+        // Notify ALL_APPS touch controller when one handed mode state activated or deactivated
+        if (mDeviceState.isOneHandedModeEnabled()) {
+            mActivityInterface.onOneHandedModeStateChanged(mDeviceState.isOneHandedModeActive());
+        }
     }
 
     private void updateOverviewTargets(Intent unused) {