content: /*
   * 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.annotation.SuppressLint;
  import android.content.ClipData;
  import android.content.ClipboardManager;
  import android.content.Context;
  import android.graphics.Canvas;
  import android.support.annotation.ColorInt;
  import android.support.annotation.Nullable;
  import android.support.v7.widget.PopupMenu;
  import android.text.Layout;
  import android.text.TextUtils;
  import android.view.MenuItem;
  import android.view.MotionEvent;
  import android.view.View;
  import org.apache.weex.ui.component.WXText;
  import org.apache.weex.ui.view.gesture.WXGesture;
  import org.apache.weex.ui.view.gesture.WXGestureObservable;
  import java.lang.ref.WeakReference;
  
  /**
   * TextView wrapper
   */
  public class WXTextView extends View implements WXGestureObservable, IWXTextView,
          IRenderStatus<WXText>, IRenderResult<WXText> {
  
    private WeakReference<WXText> mWeakReference;
    private WXGesture wxGesture;
    private Layout textLayout;
    private boolean mIsLabelSet = false;
  
    public WXTextView(Context context) {
      super(context);
    }
  
    @Override
    protected void onDraw(Canvas canvas) {
      super.onDraw(canvas);
      canvas.save();
      Layout layout= getTextLayout();
      if(layout!=null){
        canvas.translate(getPaddingLeft(),getPaddingTop());
        layout.draw(canvas);
      }
      canvas.restore();
    }
  
    @SuppressLint("ClickableViewAccessibility")
    @Override
    public boolean onTouchEvent(MotionEvent event) {
      boolean result = super.onTouchEvent(event);
      if (wxGesture != null) {
        result |= wxGesture.onTouch(this, event);
      }
      return result;
    }
  
    @Override
    public void registerGestureListener(WXGesture wxGesture) {
      this.wxGesture = wxGesture;
    }
  
    @Override
    public WXGesture getGestureListener() {
      return wxGesture;
    }
  
    @Override
    public CharSequence getText() {
      return textLayout != null ? textLayout.getText() : null;
    }
  
    public Layout getTextLayout() {
      return textLayout;
    }
  
    public void setTextLayout(Layout layout) {
      this.textLayout = layout;
      if(layout!=null && !mIsLabelSet){
        setContentDescription(layout.getText());
      }
      if (mWeakReference != null) {
        WXText wxText = mWeakReference.get();
        if (wxText != null) {
          wxText.readyToRender();
        }
      }
    }
  
    public void setAriaLabel(String label){
      if(!TextUtils.isEmpty(label)){
        mIsLabelSet = true;
        setContentDescription(label);
      }else{
        mIsLabelSet = false;
        if(textLayout != null){
          setContentDescription(textLayout.getText());
        }
      }
  
    }
  
    /**
     * Sets the text color for the text layout, it will be invalid
     * when {@link #setTextLayout(Layout)} happens, and color has to be
     * reset.
     *
     * @see #setTextLayout(Layout)
     *
     * @param color A color value in the form 0xAARRGGBB.
     */
    public void setTextColor(@ColorInt int color) {
      Layout layout = getTextLayout();
      if (layout != null) {
        layout.getPaint().setColor(color);
      }
    }
  
    @Override
    public void holdComponent(WXText component) {
      mWeakReference = new WeakReference<>(component);
    }
  
    @Nullable
    @Override
    public WXText getComponent() {
      return null != mWeakReference ? mWeakReference.get() : null;
    }
  
    public void enableCopy(boolean enable) {
      if (enable) {
        setOnLongClickListener(new OnLongClickListener() {
          @Override
          public boolean onLongClick(View v) {
            PopupMenu popupMenu = new PopupMenu(getContext(), WXTextView.this);
            String s = "Copy";
            try {
              s = getContext().getResources().getString(android.R.string.copy);
            } catch (Throwable t) {
              //ignore
            }
            final String title = s;
            popupMenu.getMenu().add(title);
            popupMenu.setOnMenuItemClickListener(new PopupMenu.OnMenuItemClickListener() {
              @Override
              public boolean onMenuItemClick(MenuItem item) {
                if (title.equals(item.getTitle())) {
                  String data = getText().toString();
                  ClipboardManager clipboardManager = (ClipboardManager) getContext().getSystemService(Context.CLIPBOARD_SERVICE);
                  if (clipboardManager != null) {
                    ClipData clipData = ClipData.newPlainText(data, data);
                    clipboardManager.setPrimaryClip(clipData);
                  }
                  return true;
                }
                return false;
              }
            });
            popupMenu.show();
            return true;
          }
        });
      } else {
        setOnLongClickListener(null);
      }
    }
  }
  