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/*
* Copyright (C) 2016 Cyanogen, Inc.
* Copyright (C) 2016 The CyanogenMod 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 org.cyanogenmod.theme.widget;
import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.ScrollView;
public class LockableScrollView extends ScrollView {
private boolean mScrollingEnabled = true;
public LockableScrollView(Context context) {
this(context, null);
}
public LockableScrollView(Context context, AttributeSet attrs) {
this(context, attrs, 0);
}
public LockableScrollView(Context context, AttributeSet attrs, int defStyle) {
super(context, attrs, defStyle);
}
public void setScrollingEnabled(boolean enabled) {
mScrollingEnabled = enabled;
}
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
return mScrollingEnabled && super.onInterceptTouchEvent(ev);
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
switch (ev.getAction()) {
case MotionEvent.ACTION_DOWN:
return mScrollingEnabled && super.onTouchEvent(ev);
default:
return super.onTouchEvent(ev);
}
}
@Override
public void setOverScrollMode(int mode) {
// Some themes can cause theme chooser to crash when creating the EdgeEffects for
// the scroll view. If an exception occurs we fallback to no overscroll
try {
super.setOverScrollMode(mode);
} catch (Exception e) {
super.setOverScrollMode(OVER_SCROLL_NEVER);
}
}
}
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