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-rw-r--r--src/com/android/gallery3d/ui/ScrollerHelper.java97
1 files changed, 0 insertions, 97 deletions
diff --git a/src/com/android/gallery3d/ui/ScrollerHelper.java b/src/com/android/gallery3d/ui/ScrollerHelper.java
deleted file mode 100644
index aa68d19d9..000000000
--- a/src/com/android/gallery3d/ui/ScrollerHelper.java
+++ /dev/null
@@ -1,97 +0,0 @@
-/*
- * Copyright (C) 2010 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.gallery3d.ui;
-
-import android.content.Context;
-import android.view.ViewConfiguration;
-
-import com.android.gallery3d.common.OverScroller;
-import com.android.gallery3d.common.Utils;
-
-public class ScrollerHelper {
- private OverScroller mScroller;
- private int mOverflingDistance;
- private boolean mOverflingEnabled;
-
- public ScrollerHelper(Context context) {
- mScroller = new OverScroller(context);
- ViewConfiguration configuration = ViewConfiguration.get(context);
- mOverflingDistance = configuration.getScaledOverflingDistance();
- }
-
- public void setOverfling(boolean enabled) {
- mOverflingEnabled = enabled;
- }
-
- /**
- * Call this when you want to know the new location. The position will be
- * updated and can be obtained by getPosition(). Returns true if the
- * animation is not yet finished.
- */
- public boolean advanceAnimation(long currentTimeMillis) {
- return mScroller.computeScrollOffset();
- }
-
- public boolean isFinished() {
- return mScroller.isFinished();
- }
-
- public void forceFinished() {
- mScroller.forceFinished(true);
- }
-
- public int getPosition() {
- return mScroller.getCurrX();
- }
-
- public float getCurrVelocity() {
- return mScroller.getCurrVelocity();
- }
-
- public void setPosition(int position) {
- mScroller.startScroll(
- position, 0, // startX, startY
- 0, 0, 0); // dx, dy, duration
-
- // This forces the scroller to reach the final position.
- mScroller.abortAnimation();
- }
-
- public void fling(int velocity, int min, int max) {
- int currX = getPosition();
- mScroller.fling(
- currX, 0, // startX, startY
- velocity, 0, // velocityX, velocityY
- min, max, // minX, maxX
- 0, 0, // minY, maxY
- mOverflingEnabled ? mOverflingDistance : 0, 0);
- }
-
- // Returns the distance that over the scroll limit.
- public int startScroll(int distance, int min, int max) {
- int currPosition = mScroller.getCurrX();
- int finalPosition = mScroller.isFinished() ? currPosition :
- mScroller.getFinalX();
- int newPosition = Utils.clamp(finalPosition + distance, min, max);
- if (newPosition != currPosition) {
- mScroller.startScroll(
- currPosition, 0, // startX, startY
- newPosition - currPosition, 0, 0); // dx, dy, duration
- }
- return finalPosition + distance - newPosition;
- }
-}