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      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 import com.android.dialer.util.TouchPointManager;
     24 
     25 /**
     26  * Linear layout for an activity that listens to all touch events on the screen and saves the touch
     27  * point. Typically touch events are handled by child views--this class intercepts those touch
     28  * events before passing them on to the child.
     29  */
     30 public class ActivityTouchLinearLayout extends LinearLayout {
     31 
     32   public ActivityTouchLinearLayout(Context context, AttributeSet attrs) {
     33     super(context, attrs);
     34   }
     35 
     36   @Override
     37   public boolean onInterceptTouchEvent(MotionEvent ev) {
     38     if (ev.getAction() == MotionEvent.ACTION_DOWN) {
     39       TouchPointManager.getInstance().setPoint((int) ev.getRawX(), (int) ev.getRawY());
     40     }
     41     return false;
     42   }
     43 }
     44