| /* |
| * 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 com.taobao.weex.ui.view; |
| |
| import android.content.Context; |
| import android.graphics.Canvas; |
| import android.graphics.drawable.Drawable; |
| import android.support.annotation.NonNull; |
| import android.support.annotation.Nullable; |
| import android.view.MotionEvent; |
| import android.widget.FrameLayout; |
| import com.taobao.weex.ui.component.WXDiv; |
| import com.taobao.weex.ui.flat.widget.Widget; |
| import com.taobao.weex.ui.view.gesture.WXGesture; |
| import com.taobao.weex.ui.view.gesture.WXGestureObservable; |
| import com.taobao.weex.utils.WXLogUtils; |
| import com.taobao.weex.utils.WXViewUtils; |
| import java.lang.ref.WeakReference; |
| import java.util.List; |
| |
| /** |
| * FrameLayout wrapper |
| * |
| */ |
| public class WXFrameLayout extends FrameLayout implements WXGestureObservable,IRenderStatus<WXDiv>,IRenderResult<WXDiv> { |
| |
| private WXGesture wxGesture; |
| |
| private WeakReference<WXDiv> mWeakReference; |
| |
| private List<Widget> mWidgets; |
| |
| public WXFrameLayout(Context context) { |
| super(context); |
| } |
| |
| @Override |
| public void registerGestureListener(WXGesture wxGesture) { |
| this.wxGesture = wxGesture; |
| } |
| |
| @Override |
| public boolean onTouchEvent(MotionEvent event) { |
| boolean result = super.onTouchEvent(event); |
| if (wxGesture != null) { |
| result |= wxGesture.onTouch(this, event); |
| } |
| return result; |
| } |
| |
| @Override |
| public void holdComponent(WXDiv component) { |
| mWeakReference = new WeakReference<WXDiv>(component); |
| } |
| |
| @Nullable |
| @Override |
| public WXDiv getComponent() { |
| return null != mWeakReference ? mWeakReference.get() : null; |
| } |
| |
| 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); |
| } |
| |
| @Override |
| protected void dispatchDraw(Canvas canvas) { |
| try { |
| 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); |
| } |
| }catch (Throwable e){ |
| WXLogUtils.e("FlatGUI Crashed when dispatchDraw", WXLogUtils.getStackTrace(e)); |
| } |
| } |
| } |