java/com/android/contacts/common/widget/ActivityTouchLinearLayout.java


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/*
 * 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.dialer.util.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;
  }
}