🔍 Clean up the search widget code

chrome/android/java/src/org/chromium/chrome/browser/searchwidget/BoxAnimatorScrim.java

Index: chrome/android/java/src/org/chromium/chrome/browser/searchwidget/BoxAnimatorScrim.java
diff --git a/chrome/android/java/src/org/chromium/chrome/browser/searchwidget/BoxAnimatorScrim.java b/chrome/android/java/src/org/chromium/chrome/browser/searchwidget/BoxAnimatorScrim.java
deleted file mode 100644
index ae7a4d882582546679901f0258465cbfd96710d3..0000000000000000000000000000000000000000
--- a/chrome/android/java/src/org/chromium/chrome/browser/searchwidget/BoxAnimatorScrim.java
+++ /dev/null
@@ -1,87 +0,0 @@
-// Copyright 2017 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.chrome.browser.searchwidget;
-
-import android.animation.ValueAnimator;
-import android.content.Context;
-import android.graphics.Canvas;
-import android.graphics.Rect;
-import android.graphics.drawable.Drawable;
-import android.util.AttributeSet;
-import android.view.View;
-
-import org.chromium.base.ApiCompatibilityUtils;
-import org.chromium.chrome.R;
-
-/** Draws a scrim and animates a search box moving into place. */
-class BoxAnimatorScrim extends View implements ValueAnimator.AnimatorUpdateListener {
-    /** Transparency used for the scrim. */
-    private static final int BACKGROUND_TRANSPARENCY = 154;
-
-    private final Drawable mCardDrawable;
-    private final Rect mAnimationRect = new Rect();
-    private final int mBackgroundColor;
-
-    private Rect mSourceRect;
-    private Rect mTargetRect;
-    private float mInterpolatedValue;
-
-    public BoxAnimatorScrim(Context context, AttributeSet attrs) {
-        super(context, attrs);
-
-        mBackgroundColor =
-                ApiCompatibilityUtils.getColor(getResources(), R.color.light_normal_color)
-                & 0x00ffffff;
-
-        // Mutate to prevent the animation from affecting other places the Drawable is used.
-        mCardDrawable = ApiCompatibilityUtils.getDrawable(getResources(), R.drawable.card_single);
-        mCardDrawable.mutate();
-    }
-
-    /** Sets where the box will animate from and where it will go. */
-    public void setAnimationRects(Rect source, Rect target) {
-        mSourceRect = source;
-        mTargetRect = target;
-    }
-
-    /** Returns the last known value of the animation. */
-    public float getInterpolatedValue() {
-        return mInterpolatedValue;
-    }
-
-    /** Set the current value of the animation. */
-    public void setInterpolatedValue(float value) {
-        mInterpolatedValue = Math.max(0.0f, Math.min(1.0f, value));
-        postInvalidateOnAnimation();
-    }
-
-    @Override
-    public void onDraw(Canvas canvas) {
-        // Draw the background.
-        int currentAlpha = (int) (BACKGROUND_TRANSPARENCY * mInterpolatedValue);
-        int color = (currentAlpha << 24) + mBackgroundColor;
-        canvas.drawColor(color);
-
-        // Draw the search box moving into place, if needed.
-        if (mSourceRect == null || mTargetRect == null) return;
-        if (mInterpolatedValue >= 1.0f) return;
-
-        mAnimationRect.left = (int) interpolate(mSourceRect.left, mTargetRect.left);
-        mAnimationRect.right = (int) interpolate(mSourceRect.right, mTargetRect.right);
-        mAnimationRect.top = (int) interpolate(mSourceRect.top, mTargetRect.top);
-        mAnimationRect.bottom = (int) interpolate(mSourceRect.bottom, mTargetRect.bottom);
-        mCardDrawable.setBounds(mAnimationRect);
-        mCardDrawable.draw(canvas);
-    }
-
-    @Override
-    public void onAnimationUpdate(ValueAnimator animation) {
-        setInterpolatedValue((Float) animation.getAnimatedValue());
-    }
-
-    private float interpolate(float start, float end) {
-        return ((1.0f - mInterpolatedValue) * start) + (mInterpolatedValue * end);
-    }
-}