autobots-lib/lib/camera-picker.js

汽车人基础库

'use strict';

import React,{Component} from 'react';
import ReactNative from 'react-native';
import Native from '../native';
import Toast from './toast';
import PropTypes from 'prop-types';

const {
  StyleSheet,
  requireNativeComponent,
  NativeModules,
  DeviceEventEmitter,
  Platform,
  View,
  Text,
} = ReactNative;

let openNative = function(callback)
{
    let url = 'autobots://testrn/CameraPicker';
    Native.callNative(url,function(result,data){
      if(callback)
      {
        callback(result,data);
      }
    });
}


class CameraPicker extends Component {


  Pick(callback){
    openNative(callback);
  }


  componentWillMount() {
    var that = this;

    function cb_android(e:Event)
    {
      if(that.props.onPicked)
      {
         that.props.onPicked(e.result);
      }
    }

    function cb_ios(p)
    {
      if(that.props.onPicked)
      {
         that.props.onPicked(p);
      }
    }

    if(Platform.OS==='android')
      {
        this.imglistener = DeviceEventEmitter.addListener('react_event_cameraPicker',cb_android);
      }else {
        this.imglistener = DeviceEventEmitter.addListener("react_event_cameraPicker",cb_ios);
      }

  }

  componentWillUnmount() {
    if(this.imglistener!=null)
    {
      this.imglistener.remove();
      this.imglistener = null;
    }
  }

  render() {
      return(<View/>);
  }

}

CameraPicker.propTypes= {
  display: PropTypes.bool,
    onPicked: PropTypes.func,
}

module.exports = CameraPicker;