Merge changes I675dbe99,Ia6daa741 into sc-v2-dev

* changes:
  [Hotseat] Fix hotseat edu flicker
  [Hotseat] Show edu tip within screen bounds
diff --git a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduController.java b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduController.java
index ffbe532..63e7390 100644
--- a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduController.java
+++ b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduController.java
@@ -18,8 +18,12 @@
 import static com.android.launcher3.logging.StatsLogManager.LauncherEvent.LAUNCHER_HOTSEAT_EDU_ONLY_TIP;
 
 import android.content.Intent;
+import android.graphics.Rect;
+import android.util.Log;
+import android.view.Gravity;
 import android.view.View;
 
+import com.android.launcher3.BubbleTextView;
 import com.android.launcher3.CellLayout;
 import com.android.launcher3.Hotseat;
 import com.android.launcher3.InvariantDeviceProfile;
@@ -46,6 +50,8 @@
  */
 public class HotseatEduController {
 
+    private static final String TAG = "HotseatEduController";
+
     public static final String SETTINGS_ACTION =
             "android.settings.ACTION_CONTENT_SUGGESTIONS_SETTINGS";
 
@@ -232,8 +238,7 @@
                     R.string.hotseat_prediction_settings, null,
                     () -> mLauncher.startActivity(getSettingsIntent()));
         } else {
-            new ArrowTipView(mLauncher).show(
-                    mLauncher.getString(R.string.hotseat_tip_no_empty_slots), mHotseat.getTop());
+            showHotseatArrowTip(true, mLauncher.getString(R.string.hotseat_tip_no_empty_slots));
         }
     }
 
@@ -254,15 +259,50 @@
         if (requiresMigration && canMigrateToFirstPage) {
             showDialog();
         } else {
-            new ArrowTipView(mLauncher).show(mLauncher.getString(
+            if (showHotseatArrowTip(requiresMigration, mLauncher.getString(
                     requiresMigration ? R.string.hotseat_tip_no_empty_slots
-                            : R.string.hotseat_auto_enrolled),
-                    mHotseat.getTop());
-            mLauncher.getStatsLogManager().logger().log(LAUNCHER_HOTSEAT_EDU_ONLY_TIP);
+                            : R.string.hotseat_auto_enrolled))) {
+                mLauncher.getStatsLogManager().logger().log(LAUNCHER_HOTSEAT_EDU_ONLY_TIP);
+            }
             finishOnboarding();
         }
     }
 
+    /**
+     * Finds a child suitable child in hotseat and shows arrow tip pointing at it.
+     *
+     * @param usePinned used to determine target view. If true, will use the first matching pinned
+     *                  item. Otherwise, will use the first predicted child
+     * @param message   String to be shown inside the arrowView
+     * @return whether suitable child was found and tip was shown
+     */
+    private boolean showHotseatArrowTip(boolean usePinned, String message) {
+        int childCount = mHotseat.getShortcutsAndWidgets().getChildCount();
+        boolean isPortrait = !mLauncher.getDeviceProfile().isVerticalBarLayout();
+
+        BubbleTextView tipTargetView = null;
+        for (int i = childCount - 1; i > -1; i--) {
+            int x = isPortrait ? i : 0;
+            int y = isPortrait ? 0 : i;
+            View v = mHotseat.getShortcutsAndWidgets().getChildAt(x, y);
+            if (v instanceof BubbleTextView && v.getTag() instanceof WorkspaceItemInfo) {
+                ItemInfo info = (ItemInfo) v.getTag();
+                boolean isPinned = info.container == LauncherSettings.Favorites.CONTAINER_HOTSEAT;
+                if (isPinned == usePinned) {
+                    tipTargetView = (BubbleTextView) v;
+                    break;
+                }
+            }
+        }
+        if (tipTargetView == null) {
+            Log.e(TAG, "Unable to find suitable view for ArrowTip");
+            return false;
+        }
+        Rect bounds = mLauncher.getViewBounds(tipTargetView);
+        new ArrowTipView(mLauncher).show(message, Gravity.END, bounds.centerX(), bounds.top);
+        return true;
+    }
+
     void showDialog() {
         if (mPredictedApps == null || mPredictedApps.isEmpty()) {
             return;
diff --git a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java
index c7c2567..c41f2ce 100644
--- a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java
+++ b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatEduDialog.java
@@ -77,6 +77,11 @@
         mContent = this;
     }
 
+    @Override
+    protected void onLayout(boolean changed, int l, int t, int r, int b) {
+        super.onLayout(changed, l, t, r, b);
+        setTranslationShift(TRANSLATION_SHIFT_CLOSED);
+    }
 
     @Override
     protected void onFinishInflate() {
@@ -200,9 +205,9 @@
         }
         AbstractFloatingView.closeAllOpenViews(mActivityContext);
         attachToContainer();
-        mActivityContext.getStatsLogManager().logger().log(LAUNCHER_HOTSEAT_EDU_SEEN);
         animateOpen();
         populatePreview(predictions);
+        mActivityContext.getStatsLogManager().logger().log(LAUNCHER_HOTSEAT_EDU_SEEN);
     }
 
     /**
diff --git a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
index a408e6c..85d9f01 100644
--- a/quickstep/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
+++ b/quickstep/src/com/android/launcher3/hybridhotseat/HotseatPredictionController.java
@@ -57,7 +57,6 @@
 import com.android.launcher3.uioverrides.QuickstepLauncher;
 import com.android.launcher3.util.ItemInfoMatcher;
 import com.android.launcher3.util.OnboardingPrefs;
-import com.android.launcher3.views.ArrowTipView;
 import com.android.launcher3.views.Snackbar;
 
 import java.util.ArrayList;
@@ -153,38 +152,15 @@
      */
     public void showEdu() {
         mLauncher.getStateManager().goToState(NORMAL, true, forSuccessCallback(() -> {
-            if (mPredictedItems.isEmpty()) {
-                // launcher has empty predictions set
-                Snackbar.show(mLauncher, R.string.hotsaet_tip_prediction_disabled,
-                        R.string.hotseat_prediction_settings, null,
-                        () -> mLauncher.startActivity(getSettingsIntent()));
-            } else if (getPredictedIcons().size() >= (mHotSeatItemsCount + 1) / 2) {
-                showDiscoveryTip();
-            } else {
-                HotseatEduController eduController = new HotseatEduController(mLauncher);
-                eduController.setPredictedApps(mPredictedItems.stream()
-                        .map(i -> (WorkspaceItemInfo) i)
-                        .collect(Collectors.toList()));
-                eduController.showEdu();
-            }
+            HotseatEduController eduController = new HotseatEduController(mLauncher);
+            eduController.setPredictedApps(mPredictedItems.stream()
+                    .map(i -> (WorkspaceItemInfo) i)
+                    .collect(Collectors.toList()));
+            eduController.showEdu();
         }));
     }
 
     /**
-     * Shows educational tip for hotseat if user does not go through Tips app.
-     */
-    private void showDiscoveryTip() {
-        if (getPredictedIcons().isEmpty()) {
-            new ArrowTipView(mLauncher).show(
-                    mLauncher.getString(R.string.hotseat_tip_no_empty_slots), mHotseat.getTop());
-        } else {
-            Snackbar.show(mLauncher, R.string.hotseat_tip_gaps_filled,
-                    R.string.hotseat_prediction_settings, null,
-                    () -> mLauncher.startActivity(getSettingsIntent()));
-        }
-    }
-
-    /**
      * Returns if hotseat client has predictions
      */
     public boolean hasPredictions() {
diff --git a/src/com/android/launcher3/views/ArrowTipView.java b/src/com/android/launcher3/views/ArrowTipView.java
index e449a4b..ce26a66 100644
--- a/src/com/android/launcher3/views/ArrowTipView.java
+++ b/src/com/android/launcher3/views/ArrowTipView.java
@@ -37,6 +37,7 @@
 
 import com.android.launcher3.AbstractFloatingView;
 import com.android.launcher3.BaseDraggingActivity;
+import com.android.launcher3.DeviceProfile;
 import com.android.launcher3.R;
 import com.android.launcher3.anim.Interpolators;
 import com.android.launcher3.dragndrop.DragLayer;
@@ -56,6 +57,7 @@
     protected final BaseDraggingActivity mActivity;
     private final Handler mHandler = new Handler();
     private final int mArrowWidth;
+    private final int mArrowMinOffset;
     private boolean mIsPointingUp;
     private Runnable mOnClosed;
     private View mArrowView;
@@ -69,6 +71,8 @@
         mActivity = BaseDraggingActivity.fromContext(context);
         mIsPointingUp = isPointingUp;
         mArrowWidth = context.getResources().getDimensionPixelSize(R.dimen.arrow_toast_arrow_width);
+        mArrowMinOffset = context.getResources().getDimensionPixelSize(
+                R.dimen.dynamic_grid_cell_border_spacing);
         init(context);
     }
 
@@ -126,10 +130,10 @@
     /**
      * Show the ArrowTipView (tooltip) center, start, or end aligned.
      *
-     * @param text The text to be shown in the tooltip.
-     * @param gravity The gravity aligns the tooltip center, start, or end.
+     * @param text             The text to be shown in the tooltip.
+     * @param gravity          The gravity aligns the tooltip center, start, or end.
      * @param arrowMarginStart The margin from start to place arrow (ignored if center)
-     * @param top The Y coordinate of the bottom of tooltip.
+     * @param top              The Y coordinate of the bottom of tooltip.
      * @return The tooltip.
      */
     public ArrowTipView show(String text, int gravity, int arrowMarginStart, int top) {
@@ -137,23 +141,28 @@
         ViewGroup parent = mActivity.getDragLayer();
         parent.addView(this);
 
+        DeviceProfile grid = mActivity.getDeviceProfile();
+
         DragLayer.LayoutParams params = (DragLayer.LayoutParams) getLayoutParams();
         params.gravity = gravity;
+        params.leftMargin = mArrowMinOffset + grid.getInsets().left;
+        params.rightMargin = mArrowMinOffset + grid.getInsets().right;
         LinearLayout.LayoutParams lp = (LinearLayout.LayoutParams) mArrowView.getLayoutParams();
+
         lp.gravity = gravity;
 
         if (parent.getLayoutDirection() == LAYOUT_DIRECTION_RTL) {
             arrowMarginStart = parent.getMeasuredWidth() - arrowMarginStart;
         }
         if (gravity == Gravity.END) {
-            lp.setMarginEnd(parent.getMeasuredWidth() - arrowMarginStart - mArrowWidth);
+            lp.setMarginEnd(Math.max(mArrowMinOffset,
+                    parent.getMeasuredWidth() - params.rightMargin - arrowMarginStart
+                            - mArrowWidth / 2));
         } else if (gravity == Gravity.START) {
-            lp.setMarginStart(arrowMarginStart - mArrowWidth / 2);
+            lp.setMarginStart(Math.max(mArrowMinOffset,
+                    arrowMarginStart - params.leftMargin - mArrowWidth / 2));
         }
         requestLayout();
-
-        params.leftMargin = mActivity.getDeviceProfile().workspacePadding.left;
-        params.rightMargin = mActivity.getDeviceProfile().workspacePadding.right;
         post(() -> setY(top - (mIsPointingUp ? 0 : getHeight())));
 
         mIsOpen = true;