Merge pull request #54 from wJianZhong/master

Add props onLoad and onLoadEnd

lib/Canvas.js

@@ -14,7 +14,9 @@ var Canvas = createReactClass({
     propTypes: {
         style: PropTypes.object,
         context: PropTypes.object,
-        render: PropTypes.func.isRequired
+        render: PropTypes.func.isRequired,
+        onLoad: PropTypes.func,
+        onLoadEnd: PropTypes.func,
     },
 
     render() {
@@ -32,6 +34,8 @@ var Canvas = createReactClass({
                     style={this.props.style}
                     javaScriptEnabled={true}
                     scrollEnabled={false}
+                    onLoad={this.props.onLoad}
+                    onLoadEnd={this.props.onLoadEnd}
                 />
             </View>
         );

lib/QRCode.js

@@ -53,6 +53,8 @@ var QRCode = createReactClass({
         size: PropTypes.number,
         bgColor: PropTypes.string,
         fgColor: PropTypes.string,
+        onLoad: PropTypes.func,
+        onLoadEnd: PropTypes.func,
     },
 
     getDefaultProps: function() {
@@ -61,6 +63,8 @@ var QRCode = createReactClass({
             fgColor: 'white',
             bgColor: 'black',
             size: 128,
+            onLoad: () => {},
+            onLoadEnd: () => {},
         }
     },
 
@@ -98,6 +102,8 @@ var QRCode = createReactClass({
                         cells: qr(value).modules,
                     }}
                     render={renderCanvas}
+                    onLoad={this.props.onLoad}
+                    onLoadEnd={this.props.onLoadEnd}
                     style={{height: size, width: size}}
                 />
             </View>