| /* |
| * Copyright (C) 2008 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.internal.widget; |
| |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.MotionEvent; |
| import android.widget.LinearLayout; |
| |
| |
| /** |
| * Like a normal linear layout, but supports dispatching all otherwise unhandled |
| * touch events to a particular descendant. This is for the unlock screen, so |
| * that a wider range of touch events than just the lock pattern widget can kick |
| * off a lock pattern if the finger is eventually dragged into the bounds of the |
| * lock pattern view. |
| */ |
| public class LinearLayoutWithDefaultTouchRecepient extends LinearLayout { |
| |
| private final Rect mTempRect = new Rect(); |
| private View mDefaultTouchRecepient; |
| |
| public LinearLayoutWithDefaultTouchRecepient(Context context) { |
| super(context); |
| } |
| |
| public LinearLayoutWithDefaultTouchRecepient(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| } |
| |
| public void setDefaultTouchRecepient(View defaultTouchRecepient) { |
| mDefaultTouchRecepient = defaultTouchRecepient; |
| } |
| |
| @Override |
| public boolean dispatchTouchEvent(MotionEvent ev) { |
| if (mDefaultTouchRecepient == null) { |
| return super.dispatchTouchEvent(ev); |
| } |
| |
| if (super.dispatchTouchEvent(ev)) { |
| return true; |
| } |
| mTempRect.set(0, 0, 0, 0); |
| offsetRectIntoDescendantCoords(mDefaultTouchRecepient, mTempRect); |
| ev.setLocation(ev.getX() + mTempRect.left, ev.getY() + mTempRect.top); |
| return mDefaultTouchRecepient.dispatchTouchEvent(ev); |
| } |
| |
| } |