Removing Launcher dependency in search box layout

Bug: 118758696
Change-Id: Id918c44b8bd2a97ab577481b7584afbe56e8a591

src/com/android/launcher3/allapps/AllAppsContainerView.java

@@ -304,6 +304,8 @@ public class AllAppsContainerView extends SpringRelativeLayout implements DragSo
 
         mNavBarScrimHeight = insets.bottom;
         InsettableFrameLayout.dispatchInsets(this, insets);
+        mLauncher.getAllAppsController()
+                .setScrollRangeDelta(mSearchUiManager.getScrollRangeDelta(insets));
     }
 
     @Override

src/com/android/launcher3/allapps/AllAppsTransitionController.java

@@ -221,7 +221,7 @@ public class AllAppsTransitionController implements StateHandler, OnDeviceProfil
     /**
      * Updates the total scroll range but does not update the UI.
      */
-    public void setScrollRangeDelta(float delta) {
+    void setScrollRangeDelta(float delta) {
         mScrollRangeDelta = delta;
         mShiftRange = mLauncher.getDeviceProfile().heightPx - mScrollRangeDelta;
 

src/com/android/launcher3/allapps/SearchUiManager.java

@@ -15,6 +15,7 @@
  */
 package com.android.launcher3.allapps;
 
+import android.graphics.Rect;
 import android.view.KeyEvent;
 import android.view.animation.Interpolator;
 
@@ -41,6 +42,11 @@ public interface SearchUiManager {
      */
     void preDispatchKeyEvent(KeyEvent keyEvent);
 
+    /**
+     * Returns the vertical shift for the all-apps view, so that it aligns with the hotseat.
+     */
+    float getScrollRangeDelta(Rect insets);
+
     /**
      * Called as part of state transition to update the content UI
      */

src/com/android/launcher3/allapps/search/AppsSearchContainerLayout.java

@@ -208,13 +208,16 @@ public class AppsSearchContainerLayout extends ExtendedEditText
         MarginLayoutParams mlp = (MarginLayoutParams) getLayoutParams();
         mlp.topMargin = Math.round(Math.max(-mFixedTranslationY, insets.top - mMarginTopAdjusting));
         requestLayout();
+    }
 
-        DeviceProfile dp = mLauncher.getDeviceProfile();
-        if (dp.isVerticalBarLayout()) {
-            mLauncher.getAllAppsController().setScrollRangeDelta(0);
+    @Override
+    public float getScrollRangeDelta(Rect insets) {
+        if (mLauncher.getDeviceProfile().isVerticalBarLayout()) {
+            return 0;
         } else {
-            mLauncher.getAllAppsController().setScrollRangeDelta(
-                    insets.bottom + mlp.topMargin + mFixedTranslationY);
+            int topMargin = Math.round(Math.max(
+                    -mFixedTranslationY, insets.top - mMarginTopAdjusting));
+           return insets.bottom + topMargin + mFixedTranslationY;
         }
     }