1 files changed, 0 insertions, 120 deletions
diff --git a/src/com/android/launcher3/RampUpScroller.java b/src/com/android/launcher3/RampUpScroller.java
deleted file mode 100644
index 89eb5798e..000000000
--- a/src/com/android/launcher3/RampUpScroller.java
+++ /dev/null
@@ -1,120 +0,0 @@
-/*
- * Copyright (C) 2013 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;
-
-import android.view.animation.AccelerateInterpolator;
-import android.view.animation.AnimationUtils;
-import android.view.animation.Interpolator;
-
-/**
- * Scroller that gradually reaches a target velocity.
- */
-class RampUpScroller {
-    private final Interpolator mInterpolator;
-    private final long mRampUpTime;
-
-    private long mStartTime;
-    private long mDeltaTime;
-    private float mTargetVelocityX;
-    private float mTargetVelocityY;
-    private int mDeltaX;
-    private int mDeltaY;
-
-    /**
-     * Creates a new ramp-up scroller that reaches full velocity after a
-     * specified duration.
-     *
-     * @param rampUpTime Duration before the scroller reaches target velocity.
-     */
-    public RampUpScroller(long rampUpTime) {
-        mInterpolator = new AccelerateInterpolator();
-        mRampUpTime = rampUpTime;
-    }
-
-    /**
-     * Starts the scroller at the current animation time.
-     */
-    public void start() {
-        mStartTime = AnimationUtils.currentAnimationTimeMillis();
-        mDeltaTime = mStartTime;
-    }
-
-    /**
-     * Computes the current scroll deltas. This usually only be called after
-     * starting the scroller with {@link #start()}.
-     *
-     * @see #getDeltaX()
-     * @see #getDeltaY()
-     */
-    public void computeScrollDelta() {
-        final long currentTime = AnimationUtils.currentAnimationTimeMillis();
-        final long elapsedSinceStart = currentTime - mStartTime;
-        final float scale;
-        if (elapsedSinceStart < mRampUpTime) {
-            scale = mInterpolator.getInterpolation((float) elapsedSinceStart / mRampUpTime);
-        } else {
-            scale = 1f;
-        }
-
-        final long elapsedSinceDelta = currentTime - mDeltaTime;
-        mDeltaTime = currentTime;
-
-        mDeltaX = (int) (elapsedSinceDelta * scale * mTargetVelocityX);
-        mDeltaY = (int) (elapsedSinceDelta * scale * mTargetVelocityY);
-    }
-
-    /**
-     * Sets the target velocity for this scroller.
-     *
-     * @param x The target X velocity in pixels per millisecond.
-     * @param y The target Y velocity in pixels per millisecond.
-     */
-    public void setTargetVelocity(float x, float y) {
-        mTargetVelocityX = x;
-        mTargetVelocityY = y;
-    }
-
-    /**
-     * @return The target X velocity for this scroller.
-     */
-    public float getTargetVelocityX() {
-        return mTargetVelocityX;
-    }
-
-    /**
-     * @return The target Y velocity for this scroller.
-     */
-    public float getTargetVelocityY() {
-        return mTargetVelocityY;
-    }
-
-    /**
-     * The distance traveled in the X-coordinate computed by the last call to
-     * {@link #computeScrollDelta()}.
-     */
-    public int getDeltaX() {
-        return mDeltaX;
-    }
-
-    /**
-     * The distance traveled in the Y-coordinate computed by the last call to
-     * {@link #computeScrollDelta()}.
-     */
-    public int getDeltaY() {
-        return mDeltaY;
-    }
-}