| /* |
| * Copyright (C) 2010 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.videoeditor.widgets; |
| |
| import android.content.Context; |
| import android.util.AttributeSet; |
| import android.view.View; |
| import android.view.ViewGroup; |
| import android.widget.RelativeLayout; |
| |
| /** |
| * The RelativeLayout which is the container for the timeline layout |
| */ |
| public class TimelineRelativeLayout extends RelativeLayout { |
| // Instance variables |
| private LayoutCallback mLayoutCallback; |
| |
| /** |
| * Layout complete callback interface |
| */ |
| public interface LayoutCallback { |
| /** |
| * This method is invoked when the layout completes after a call |
| * to requestLayout(LayoutCallback) |
| */ |
| public void onLayoutComplete(); |
| } |
| |
| public TimelineRelativeLayout(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| |
| setMotionEventSplittingEnabled(false); |
| } |
| |
| public TimelineRelativeLayout(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public TimelineRelativeLayout(Context context) { |
| this(context, null, 0); |
| } |
| |
| /** |
| * Request a layout and get a callback when the layout completes |
| * |
| * @param callback The layout callback |
| */ |
| public void requestLayout(LayoutCallback callback) { |
| mLayoutCallback = callback; |
| |
| requestLayout(); |
| } |
| |
| @Override |
| public void onLayout(boolean changed, int l, int t, int r, int b) { |
| super.onLayout(changed, l, t, r, b); |
| |
| if (mLayoutCallback != null) { |
| mLayoutCallback.onLayoutComplete(); |
| mLayoutCallback = null; |
| } |
| } |
| |
| @Override |
| public void setSelected(boolean selected) { |
| final int childrenCount = getChildCount(); |
| for (int i = 0; i < childrenCount; i++) { |
| final View childView = getChildAt(i); |
| if (childView instanceof ViewGroup) { |
| childView.setSelected(selected); |
| } |
| } |
| } |
| } |