| /** |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.weex.ui.view; |
| |
| import android.content.Context; |
| import android.graphics.Canvas; |
| import android.graphics.drawable.Drawable; |
| import android.support.annotation.NonNull; |
| import android.widget.FrameLayout; |
| import org.apache.weex.ui.flat.widget.Widget; |
| import org.apache.weex.utils.WXLogUtils; |
| import org.apache.weex.utils.WXViewUtils; |
| import java.util.List; |
| |
| public class BaseFrameLayout extends FrameLayout{ |
| private List<Widget> mWidgets; |
| |
| public BaseFrameLayout(Context context){ |
| super(context); |
| } |
| |
| @Override |
| protected void dispatchDraw(Canvas canvas) { |
| try { |
| dispatchDrawInterval(canvas); |
| } catch (Throwable e) { |
| WXLogUtils.e(WXLogUtils.getStackTrace(e)); |
| } |
| } |
| |
| protected void dispatchDrawInterval(Canvas canvas) { |
| if (mWidgets != null) { |
| canvas.save(); |
| canvas.translate(getPaddingLeft(), getPaddingTop()); |
| for (Widget widget : mWidgets) { |
| widget.draw(canvas); |
| } |
| canvas.restore(); |
| } else { |
| WXViewUtils.clipCanvasWithinBorderBox(this, canvas); |
| super.dispatchDraw(canvas); |
| } |
| } |
| public void mountFlatGUI(List<Widget> widgets){ |
| this.mWidgets = widgets; |
| if (mWidgets != null) { |
| setWillNotDraw(true); |
| } |
| invalidate(); |
| } |
| |
| public void unmountFlatGUI(){ |
| mWidgets = null; |
| setWillNotDraw(false); |
| invalidate(); |
| } |
| |
| @Override |
| protected boolean verifyDrawable(@NonNull Drawable who) { |
| return mWidgets != null || super.verifyDrawable(who); |
| } |
| |
| } |