In 2 button mode, animate to HINT_STATE instead of OVERVIEW directly

When reaching HINT_STATE_TWO_BUTTON, we goToState(OVERVIEW) with a
haptic, to keep the same feeling as before.

Test: Swipe up from home on nav bar, ensure it goes to overview
Bug: 175137718
Change-Id: Ib17d4a5e9e33b8bf9b074f926faa6d0e2fb487fa
diff --git a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
index bae97d7..fc1f30a 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/QuickstepLauncher.java
@@ -28,6 +28,7 @@
 import static com.android.launcher3.compat.AccessibilityManagerCompat.sendCustomAccessibilityEvent;
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_APP_LAUNCH_TAP;
 import static com.android.launcher3.testing.TestProtocol.HINT_STATE_ORDINAL;
+import static com.android.launcher3.testing.TestProtocol.HINT_STATE_TWO_BUTTON_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.OVERVIEW_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.QUICK_SWITCH_STATE_ORDINAL;
 import static com.android.systemui.shared.system.ActivityManagerWrapper.CLOSE_SYSTEM_WINDOWS_REASON_HOME_KEY;
@@ -35,6 +36,7 @@
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
+import android.view.HapticFeedbackConstants;
 import android.view.View;
 
 import com.android.launcher3.BaseQuickstepLauncher;
@@ -251,6 +253,11 @@
                 }
                 break;
             }
+            case HINT_STATE_TWO_BUTTON_ORDINAL: {
+                getStateManager().goToState(OVERVIEW);
+                getDragLayer().performHapticFeedback(HapticFeedbackConstants.VIRTUAL_KEY);
+                break;
+            }
             case OVERVIEW_STATE_ORDINAL: {
                 RecentsView rv = getOverviewPanel();
                 sendCustomAccessibilityEvent(
diff --git a/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java b/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
index de7be5d..ba61923 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/states/QuickstepAtomicAnimationFactory.java
@@ -18,6 +18,7 @@
 import static android.view.View.VISIBLE;
 
 import static com.android.launcher3.LauncherState.HINT_STATE;
+import static com.android.launcher3.LauncherState.HINT_STATE_TWO_BUTTON;
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.WorkspaceStateTransitionAnimation.getSpringScaleAnimator;
@@ -115,7 +116,8 @@
                     qsbContainer.setScaleY(0.92f);
                 }
             }
-        } else if ((fromState == NORMAL || fromState == HINT_STATE) && toState == OVERVIEW) {
+        } else if ((fromState == NORMAL || fromState == HINT_STATE
+                || fromState == HINT_STATE_TWO_BUTTON) && toState == OVERVIEW) {
             if (SysUINavigationMode.getMode(mActivity) == NO_BUTTON) {
                 config.setInterpolator(ANIM_WORKSPACE_SCALE,
                         fromState == NORMAL ? ACCEL : OVERSHOOT_1_2);
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TwoButtonNavbarTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TwoButtonNavbarTouchController.java
index faf5054..5781469 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TwoButtonNavbarTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/TwoButtonNavbarTouchController.java
@@ -17,11 +17,13 @@
 
 import static com.android.launcher3.AbstractFloatingView.TYPE_ALL_APPS_EDU;
 import static com.android.launcher3.AbstractFloatingView.getOpenView;
+import static com.android.launcher3.LauncherState.HINT_STATE_TWO_BUTTON;
 import static com.android.launcher3.LauncherState.NORMAL;
 import static com.android.launcher3.LauncherState.OVERVIEW;
 import static com.android.launcher3.Utilities.EDGE_NAV_BAR;
 
 import android.animation.ValueAnimator;
+import android.os.SystemClock;
 import android.view.MotionEvent;
 
 import com.android.launcher3.AbstractFloatingView;
@@ -91,10 +93,10 @@
         if (mIsTransposed) {
             boolean draggingFromNav =
                     mLauncher.getDeviceProfile().isSeascape() == isDragTowardPositive;
-            return draggingFromNav ? OVERVIEW : NORMAL;
+            return draggingFromNav ? HINT_STATE_TWO_BUTTON : NORMAL;
         } else {
             LauncherState startState = mStartState != null ? mStartState : fromState;
-            return isDragTowardPositive ^ (startState == OVERVIEW) ? OVERVIEW : NORMAL;
+            return isDragTowardPositive ^ (startState == OVERVIEW) ? HINT_STATE_TWO_BUTTON : NORMAL;
         }
     }
 
@@ -104,6 +106,12 @@
         super.updateSwipeCompleteAnimation(animator, expectedDuration, targetState,
                 velocity, isFling);
         mFinishFastOnSecondTouch = !mIsTransposed && mFromState == NORMAL;
+
+        if (targetState == HINT_STATE_TWO_BUTTON) {
+            // We were going to HINT_STATE_TWO_BUTTON, but end that animation immediately so we go
+            // to OVERVIEW instead.
+            animator.setDuration(0);
+        }
     }
 
     @Override
@@ -122,12 +130,26 @@
     }
 
     @Override
+    protected void updateProgress(float fraction) {
+        super.updateProgress(fraction);
+
+        // We have reached HINT_STATE, end the gesture now to go to OVERVIEW.
+        if (fraction >= 1 && mToState == HINT_STATE_TWO_BUTTON) {
+            final long now = SystemClock.uptimeMillis();
+            MotionEvent event = MotionEvent.obtain(now, now,
+                    MotionEvent.ACTION_UP, 0.0f, 0.0f, 0);
+            mDetector.onTouchEvent(event);
+            event.recycle();
+        }
+    }
+
+    @Override
     protected void onSwipeInteractionCompleted(LauncherState targetState) {
         super.onSwipeInteractionCompleted(targetState);
         if (!mIsTransposed) {
             mContinuousTouchCount++;
         }
-        if (mStartState == NORMAL && targetState == OVERVIEW) {
+        if (mStartState == NORMAL && targetState == HINT_STATE_TWO_BUTTON) {
             SystemUiProxy.INSTANCE.get(mLauncher).onOverviewShown(true, TAG);
         } else if (targetState == NORMAL
                 && mContinuousTouchCount >= MAX_NUM_SWIPES_TO_TRIGGER_EDU) {
diff --git a/src/com/android/launcher3/LauncherState.java b/src/com/android/launcher3/LauncherState.java
index 06bc438..0df7c21 100644
--- a/src/com/android/launcher3/LauncherState.java
+++ b/src/com/android/launcher3/LauncherState.java
@@ -17,9 +17,11 @@
 
 import static com.android.launcher3.anim.Interpolators.ACCEL_2;
 import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_HOME;
+import static com.android.launcher3.logging.StatsLogManager.LAUNCHER_STATE_OVERVIEW;
 import static com.android.launcher3.testing.TestProtocol.ALL_APPS_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.BACKGROUND_APP_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.HINT_STATE_ORDINAL;
+import static com.android.launcher3.testing.TestProtocol.HINT_STATE_TWO_BUTTON_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.NORMAL_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.OVERVIEW_MODAL_TASK_STATE_ORDINAL;
 import static com.android.launcher3.testing.TestProtocol.OVERVIEW_SPLIT_SELECT_ORDINAL;
@@ -89,7 +91,7 @@
                 }
             };
 
-    private static final LauncherState[] sAllStates = new LauncherState[9];
+    private static final LauncherState[] sAllStates = new LauncherState[10];
 
     /**
      * TODO: Create a separate class for NORMAL state.
@@ -112,6 +114,8 @@
             SPRING_LOADED_STATE_ORDINAL);
     public static final LauncherState ALL_APPS = new AllAppsState(ALL_APPS_STATE_ORDINAL);
     public static final LauncherState HINT_STATE = new HintState(HINT_STATE_ORDINAL);
+    public static final LauncherState HINT_STATE_TWO_BUTTON = new HintState(
+            HINT_STATE_TWO_BUTTON_ORDINAL, LAUNCHER_STATE_OVERVIEW);
 
     public static final LauncherState OVERVIEW = new OverviewState(OVERVIEW_STATE_ORDINAL);
     public static final LauncherState OVERVIEW_MODAL_TASK = OverviewState.newModalTaskState(
diff --git a/src/com/android/launcher3/states/HintState.java b/src/com/android/launcher3/states/HintState.java
index eb2c551..76f89bc 100644
--- a/src/com/android/launcher3/states/HintState.java
+++ b/src/com/android/launcher3/states/HintState.java
@@ -31,7 +31,11 @@
             | FLAG_HAS_SYS_UI_SCRIM;
 
     public HintState(int id) {
-        super(id, LAUNCHER_STATE_HOME, STATE_FLAGS);
+        this(id, LAUNCHER_STATE_HOME);
+    }
+
+    public HintState(int id, int statsLogOrdinal) {
+        super(id, statsLogOrdinal, STATE_FLAGS);
     }
 
     @Override
diff --git a/src/com/android/launcher3/testing/TestProtocol.java b/src/com/android/launcher3/testing/TestProtocol.java
index f34bff6..943d129 100644
--- a/src/com/android/launcher3/testing/TestProtocol.java
+++ b/src/com/android/launcher3/testing/TestProtocol.java
@@ -32,7 +32,8 @@
     public static final int ALL_APPS_STATE_ORDINAL = 5;
     public static final int BACKGROUND_APP_STATE_ORDINAL = 6;
     public static final int HINT_STATE_ORDINAL = 7;
-    public static final int OVERVIEW_SPLIT_SELECT_ORDINAL = 8;
+    public static final int HINT_STATE_TWO_BUTTON_ORDINAL = 8;
+    public static final int OVERVIEW_SPLIT_SELECT_ORDINAL = 9;
     public static final String TAPL_EVENTS_TAG = "TaplEvents";
     public static final String SEQUENCE_MAIN = "Main";
     public static final String SEQUENCE_TIS = "TIS";
@@ -56,6 +57,8 @@
                 return "Background";
             case HINT_STATE_ORDINAL:
                 return "Hint";
+            case HINT_STATE_TWO_BUTTON_ORDINAL:
+                return "Hint2Button";
             case OVERVIEW_SPLIT_SELECT_ORDINAL:
                 return "OverviewSplitSelect";
             default: