Implement HTML5 multiple file upload

lib/capybara/webkit/node.rb

@@ -33,7 +33,7 @@ module Capybara::Webkit
     end
 
     def set(value)
-      invoke "set", value
+      invoke "set", *[value].flatten
     end
 
     def select_option

src/WebPage.cpp

@@ -221,13 +221,12 @@ QString WebPage::chooseFile(QWebFrame *parentFrame, const QString &suggestedFile
   Q_UNUSED(parentFrame);
   Q_UNUSED(suggestedFile);
 
-  return getLastAttachedFileName();
+  return getAttachedFileNames().first();
 }
 
 bool WebPage::extension(Extension extension, const ExtensionOption *option, ExtensionReturn *output) {
   if (extension == ChooseMultipleFilesExtension) {
-    QStringList names = QStringList() << getLastAttachedFileName();
-    static_cast<ChooseMultipleFilesExtensionReturn*>(output)->fileNames = names;
+    static_cast<ChooseMultipleFilesExtensionReturn*>(output)->fileNames = getAttachedFileNames();
     return true;
   }
   else if (extension == QWebPage::ErrorPageExtension) {
@@ -239,8 +238,8 @@ bool WebPage::extension(Extension extension, const ExtensionOption *option, Exte
   return false;
 }
 
-QString WebPage::getLastAttachedFileName() {
-  return currentFrame()->evaluateJavaScript(QString("Capybara.lastAttachedFile")).toString();
+QStringList WebPage::getAttachedFileNames() {
+  return currentFrame()->evaluateJavaScript(QString("Capybara.attachedFiles")).toStringList();
 }
 
 void WebPage::handleSslErrorsForReply(QNetworkReply *reply, const QList<QSslError> &errors) {

src/WebPage.h

@@ -66,7 +66,7 @@ class WebPage : public QWebPage {
     QString m_userAgent;
     bool m_loading;
     bool m_failed;
-    QString getLastAttachedFileName();
+    QStringList getAttachedFileNames();
     void loadJavascript();
     void setUserStylesheet();
     bool m_confirm;

src/capybara.js

@@ -1,7 +1,7 @@
 Capybara = {
   nextIndex: 0,
   nodes: {},
-  lastAttachedFile: "",
+  attachedFiles: [],
 
   invoke: function () {
     return this[CapybaraInvocation.functionName].apply(this, CapybaraInvocation.arguments);
@@ -260,7 +260,7 @@ Capybara = {
       }
 
     } else if (type === "file") {
-      this.lastAttachedFile = value;
+      this.attachedFiles = Array.prototype.slice.call(arguments, 1);
       this.click(index);
 
     } else {