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-rw-r--r--src/com/android/gallery3d/ui/GestureRecognizer.java132
1 files changed, 0 insertions, 132 deletions
diff --git a/src/com/android/gallery3d/ui/GestureRecognizer.java b/src/com/android/gallery3d/ui/GestureRecognizer.java
deleted file mode 100644
index 1e5250b9b..000000000
--- a/src/com/android/gallery3d/ui/GestureRecognizer.java
+++ /dev/null
@@ -1,132 +0,0 @@
-/*
- * Copyright (C) 2012 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.os.SystemClock;
-import android.view.GestureDetector;
-import android.view.MotionEvent;
-import android.view.ScaleGestureDetector;
-
-// This class aggregates three gesture detectors: GestureDetector,
-// ScaleGestureDetector, and DownUpDetector.
-public class GestureRecognizer {
- @SuppressWarnings("unused")
- private static final String TAG = "GestureRecognizer";
-
- public interface Listener {
- boolean onSingleTapUp(float x, float y);
- boolean onDoubleTap(float x, float y);
- boolean onScroll(float dx, float dy, float totalX, float totalY);
- boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY);
- boolean onScaleBegin(float focusX, float focusY);
- boolean onScale(float focusX, float focusY, float scale);
- void onScaleEnd();
- void onDown(float x, float y);
- void onUp();
- }
-
- private final GestureDetector mGestureDetector;
- private final ScaleGestureDetector mScaleDetector;
- private final DownUpDetector mDownUpDetector;
- private final Listener mListener;
-
- public GestureRecognizer(Context context, Listener listener) {
- mListener = listener;
- mGestureDetector = new GestureDetector(context, new MyGestureListener(),
- null, true /* ignoreMultitouch */);
- mScaleDetector = new ScaleGestureDetector(
- context, new MyScaleListener());
- mDownUpDetector = new DownUpDetector(new MyDownUpListener());
- }
-
- public void onTouchEvent(MotionEvent event) {
- mGestureDetector.onTouchEvent(event);
- mScaleDetector.onTouchEvent(event);
- mDownUpDetector.onTouchEvent(event);
- }
-
- public boolean isDown() {
- return mDownUpDetector.isDown();
- }
-
- public void cancelScale() {
- long now = SystemClock.uptimeMillis();
- MotionEvent cancelEvent = MotionEvent.obtain(
- now, now, MotionEvent.ACTION_CANCEL, 0, 0, 0);
- mScaleDetector.onTouchEvent(cancelEvent);
- cancelEvent.recycle();
- }
-
- private class MyGestureListener
- extends GestureDetector.SimpleOnGestureListener {
- @Override
- public boolean onSingleTapUp(MotionEvent e) {
- return mListener.onSingleTapUp(e.getX(), e.getY());
- }
-
- @Override
- public boolean onDoubleTap(MotionEvent e) {
- return mListener.onDoubleTap(e.getX(), e.getY());
- }
-
- @Override
- public boolean onScroll(
- MotionEvent e1, MotionEvent e2, float dx, float dy) {
- return mListener.onScroll(
- dx, dy, e2.getX() - e1.getX(), e2.getY() - e1.getY());
- }
-
- @Override
- public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX,
- float velocityY) {
- return mListener.onFling(e1, e2, velocityX, velocityY);
- }
- }
-
- private class MyScaleListener
- extends ScaleGestureDetector.SimpleOnScaleGestureListener {
- @Override
- public boolean onScaleBegin(ScaleGestureDetector detector) {
- return mListener.onScaleBegin(
- detector.getFocusX(), detector.getFocusY());
- }
-
- @Override
- public boolean onScale(ScaleGestureDetector detector) {
- return mListener.onScale(detector.getFocusX(),
- detector.getFocusY(), detector.getScaleFactor());
- }
-
- @Override
- public void onScaleEnd(ScaleGestureDetector detector) {
- mListener.onScaleEnd();
- }
- }
-
- private class MyDownUpListener implements DownUpDetector.DownUpListener {
- @Override
- public void onDown(MotionEvent e) {
- mListener.onDown(e.getX(), e.getY());
- }
-
- @Override
- public void onUp(MotionEvent e) {
- mListener.onUp();
- }
- }
-}