Removing some unused classes

Bug: 184183801
Test: Manual
Change-Id: I946b4b4d486d52e467bb3df7dcac65e534803b7d
diff --git a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
index e70450d..0921ad3 100644
--- a/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
+++ b/quickstep/src/com/android/launcher3/uioverrides/touchcontrollers/NoButtonNavbarToOverviewTouchController.java
@@ -38,7 +38,6 @@
 import android.animation.ValueAnimator;
 import android.graphics.PointF;
 import android.view.MotionEvent;
-import android.view.View;
 import android.view.ViewConfiguration;
 
 import com.android.launcher3.Launcher;
@@ -155,11 +154,6 @@
             super.onDragEnd(velocity);
         }
 
-        View searchView = mLauncher.getHotseat().getQsb();
-        if (searchView instanceof FeedbackHandler) {
-            ((FeedbackHandler) searchView).resetFeedback();
-        }
-
         mMotionPauseDetector.clear();
         mNormalToHintOverviewScrimAnimator = null;
         if (mLauncher.isInState(OVERVIEW)) {
@@ -314,15 +308,4 @@
         }
         return super.getConfigForStates(fromState, toState);
     }
-
-    /**
-     * Interface for views with feedback animation requiring reset
-     */
-    public interface FeedbackHandler {
-
-        /**
-         * reset searchWidget feedback
-         */
-        void resetFeedback();
-    }
 }
diff --git a/src/com/android/launcher3/graphics/NinePatchDrawHelper.java b/src/com/android/launcher3/graphics/NinePatchDrawHelper.java
deleted file mode 100644
index 5872689..0000000
--- a/src/com/android/launcher3/graphics/NinePatchDrawHelper.java
+++ /dev/null
@@ -1,100 +0,0 @@
-/*
- * Copyright (C) 2017 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-package com.android.launcher3.graphics;
-
-import android.graphics.Bitmap;
-import android.graphics.Canvas;
-import android.graphics.Paint;
-import android.graphics.Rect;
-import android.graphics.RectF;
-
-/**
- * Utility class which draws a bitmap by dissecting it into 3 segments and stretching
- * the middle segment.
- */
-public class NinePatchDrawHelper {
-
-    // The extra width used for the bitmap. This portion of the bitmap is stretched to match the
-    // width of the draw region. Randomly chosen, any value > 4 will be sufficient.
-    public static final int EXTENSION_PX = 20;
-
-    private final Rect mSrc = new Rect();
-    private final RectF mDst = new RectF();
-    // Enable filtering to always get a nice edge. This avoids jagged line, when bitmap is
-    // translated by half pixel.
-    public final Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG | Paint.FILTER_BITMAP_FLAG);
-
-    /**
-     * Draws the bitmap split into three parts horizontally, with the middle part having width
-     * as {@link #EXTENSION_PX} in the center of the bitmap.
-     */
-    public void draw(Bitmap bitmap, Canvas canvas, float left, float top, float right) {
-        int height = bitmap.getHeight();
-
-        mSrc.top = 0;
-        mSrc.bottom = height;
-        mDst.top = top;
-        mDst.bottom = top + height;
-        draw3Patch(bitmap, canvas, left, right);
-    }
-
-
-    /**
-     * Draws the bitmap split horizontally into 3 parts (same as {@link #draw}) and split
-     * vertically into two parts, bottom part of size {@link #EXTENSION_PX} / 2 which is
-     * stretched vertically.
-     */
-    public void drawVerticallyStretched(Bitmap bitmap, Canvas canvas, float left, float top,
-            float right, float bottom) {
-        draw(bitmap, canvas, left, top, right);
-
-        // Draw bottom stretched region.
-        int height = bitmap.getHeight();
-        mSrc.top = height - EXTENSION_PX / 4;
-        mSrc.bottom = height;
-        mDst.top = top + height;
-        mDst.bottom = bottom;
-        draw3Patch(bitmap, canvas, left, right);
-    }
-
-
-
-    private void draw3Patch(Bitmap bitmap, Canvas canvas, float left, float right) {
-        int width = bitmap.getWidth();
-        int halfWidth = width / 2;
-
-        // Draw left edge
-        drawRegion(bitmap, canvas, 0, halfWidth, left, left + halfWidth);
-
-        // Draw right edge
-        drawRegion(bitmap, canvas, halfWidth, width, right - halfWidth, right);
-
-        // Draw middle stretched region
-        int halfExt = EXTENSION_PX / 4;
-        drawRegion(bitmap, canvas, halfWidth - halfExt, halfWidth + halfExt,
-                left + halfWidth, right - halfWidth);
-    }
-
-    private void drawRegion(Bitmap bitmap, Canvas c,
-            int srcLeft, int srcRight, float dstLeft, float dstRight) {
-        mSrc.left = srcLeft;
-        mSrc.right = srcRight;
-
-        mDst.left = dstLeft;
-        mDst.right = dstRight;
-        c.drawBitmap(bitmap, mSrc, mDst, paint);
-    }
-}