xref: /packages/apps/ContactsCommon/src/com/android/contacts/common/widget/ActivityTouchLinearLayout.java

/*
 * Copyright (C) 2014 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.contacts.common.widget;

import android.content.Context;
import android.util.AttributeSet;
import android.view.MotionEvent;
import android.widget.LinearLayout;

import com.android.contacts.common.interactions.TouchPointManager;

/**
 * Linear layout for an activity that listens to all touch events on the screen and saves the touch
 * point.
 * Typically touch events are handled by child views--this class intercepts those touch events
 * before passing them on to the child.
 */
public class ActivityTouchLinearLayout extends LinearLayout {
    public ActivityTouchLinearLayout(Context context, AttributeSet attrs) {
        super(context, attrs);
    }

    @Override
    public boolean onInterceptTouchEvent (MotionEvent ev) {
        if (ev.getAction() == MotionEvent.ACTION_DOWN) {
            TouchPointManager.getInstance().setPoint((int) ev.getRawX(), (int) ev.getRawY());
        }
        return false;
    }
}