1 /*
2  * Copyright (C) 2014 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.android.contacts.common.widget;
18 
19 import android.content.Context;
20 import android.util.AttributeSet;
21 import android.view.MotionEvent;
22 import android.widget.LinearLayout;
23 
24 import com.android.contacts.common.interactions.TouchPointManager;
25 
26 /**
27  * Linear layout for an activity that listens to all touch events on the screen and saves the touch
28  * point.
29  * Typically touch events are handled by child views--this class intercepts those touch events
30  * before passing them on to the child.
31  */
32 public class ActivityTouchLinearLayout extends LinearLayout {
ActivityTouchLinearLayout(Context context, AttributeSet attrs)33     public ActivityTouchLinearLayout(Context context, AttributeSet attrs) {
34         super(context, attrs);
35     }
36 
37     @Override
onInterceptTouchEvent(MotionEvent ev)38     public boolean onInterceptTouchEvent (MotionEvent ev) {
39         if (ev.getAction() == MotionEvent.ACTION_DOWN) {
40             TouchPointManager.getInstance().setPoint((int) ev.getRawX(), (int) ev.getRawY());
41         }
42         return false;
43     }
44 }
45