fixed pasting files and images

src/lib/blob-helpers.js

@@ -199,7 +199,7 @@ export function blobToBase64(blob) {
 // File pasted from the clipboard. It's either an inline image or a file attachment.
 export function filePasted(event, onImageSuccess, onAttachmentSuccess, onError) {
   const items = (event.clipboardData || event.originalEvent.clipboardData || {}).items;
-  if (!Array.isArray(items)) {
+  if (!items || !items.length) {
     return false;
   }
 

src/widgets/send-message.jsx

@@ -104,12 +104,8 @@ class SendMessage extends React.PureComponent {
     }
     // FIXME: handle large files too.
     if (filePasted(e,
-      (bits, mime, width, height, fname) => {
-        this.props.onAttachImage(mime, bits, width, height, fname);
-      },
-      (mime, bits, fname) => {
-        this.props.onAttachFile(mime, bits, fname);
-      },
+      file => { this.props.onAttachImage(file); },
+      file => { this.props.onAttachFile(file); },
       this.props.onError)) {
 
       // If a file was pasted, don't paste base64 data into input field.