WIP.

atom.gyp

@@ -223,6 +223,8 @@
       'atom/renderer/atom_render_view_observer.h',
       'atom/renderer/atom_renderer_client.cc',
       'atom/renderer/atom_renderer_client.h',
+      'atom/renderer/autofill/autofill_agent.cc',
+      'atom/renderer/autofill/autofill_agent.h',
       'atom/renderer/autofill/page_click_listener.h',
       'atom/renderer/autofill/page_click_tracker.cc',
       'atom/renderer/autofill/page_click_tracker.h',

atom/browser/default_app/index.html

@@ -80,6 +80,15 @@
 
   <h2>Welcome to Atom Shell</h2>
 
+  <input type="text" list="modules" />
+  <datalist id="modules">
+    <select>
+      <option value="IN4NWK"></option>
+      <option value="IN4CDT"></option>
+      <option value="IN4INS"></option>
+    </select>
+   </datalist>
+
   <p>
   To run your app with atom-shell, execute the following command under your
   Console (or Terminal):

atom/renderer/autofill/autofill_agent.cc

@@ -0,0 +1,24 @@
+// Copyright (c) 2014 GitHub, Inc. All rights reserved.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#include "atom/renderer/autofill/autofill_agent.h"
+
+#include "atom/renderer/autofill/page_click_tracker.h"
+#include "content/public/renderer/render_view.h"
+#include "third_party/WebKit/public/web/WebView.h"
+
+namespace autofill {
+
+AutofillAgent::AutofillAgent(content::RenderView* render_view)
+    : content::RenderViewObserver(render_view) {
+  render_view->GetWebView()->setAutofillClient(this);
+
+  // The PageClickTracker is a RenderViewObserver, and hence will be freed when
+  // the RenderView is destroyed.
+  new PageClickTracker(render_view, this);
+}
+
+AutofillAgent::~AutofillAgent() {}
+
+}  // namespace autofill

atom/renderer/autofill/autofill_agent.h

@@ -0,0 +1,69 @@
+// Copyright (c) 2014 GitHub, Inc. All rights reserved.
+// Use of this source code is governed by the MIT license that can be
+// found in the LICENSE file.
+
+#ifndef ATOM_RENDERER_AUTOFILL_AUTOFILL_AGENT_H_
+#define ATOM_RENDERER_AUTOFILL_AUTOFILL_AGENT_H_
+
+#include "atom/renderer/autofill/page_click_listener.h"
+#include "content/public/renderer/render_view_observer.h"
+#include "third_party/WebKit/public/web/WebAutofillClient.h"
+
+namespace autofill {
+
+// AutofillAgent deals with Autofill related communications between WebKit and
+// the browser. There is one AutofillAgent per RenderView.
+class AutofillAgent : public content::RenderViewObserver,
+                      public PageClickListener,
+                      public WebKit::WebAutofillClient {
+ public:
+  AutofillAgent(content::RenderView* render_view);
+  virtual ~AutofillAgent();
+
+ private:
+  enum AutofillAction {
+    AUTOFILL_NONE,     // No state set.
+    AUTOFILL_FILL,     // Fill the Autofill form data.
+    AUTOFILL_PREVIEW,  // Preview the Autofill form data.
+  };
+
+  // RenderView::Observer:
+  virtual void DidFinishDocumentLoad(WebKit::WebFrame* frame) OVERRIDE;
+  virtual void DidCommitProvisionalLoad(WebKit::WebFrame* frame,
+                                        bool is_new_navigation) OVERRIDE;
+  virtual void FrameDetached(WebKit::WebFrame* frame) OVERRIDE;
+  virtual void WillSubmitForm(WebKit::WebFrame* frame,
+                              const WebKit::WebFormElement& form) OVERRIDE;
+  virtual void ZoomLevelChanged() OVERRIDE;
+  virtual void DidChangeScrollOffset(WebKit::WebFrame* frame) OVERRIDE;
+  virtual void FocusedNodeChanged(const WebKit::WebNode& node) OVERRIDE;
+  virtual void OrientationChangeEvent(int orientation) OVERRIDE;
+
+  // PageClickListener:
+  virtual void InputElementClicked(const WebKit::WebInputElement& element,
+                                   bool was_focused,
+                                   bool is_focused) OVERRIDE;
+  virtual void InputElementLostFocus() OVERRIDE;
+
+  // WebKit::WebAutofillClient:
+  virtual void didClearAutofillSelection(const WebKit::WebNode& node) OVERRIDE;
+  virtual void textFieldDidEndEditing(
+      const WebKit::WebInputElement& element) OVERRIDE;
+  virtual void textFieldDidChange(
+      const WebKit::WebInputElement& element) OVERRIDE;
+  virtual void textFieldDidReceiveKeyDown(
+      const WebKit::WebInputElement& element,
+      const WebKit::WebKeyboardEvent& event) OVERRIDE;
+  virtual void didRequestAutocomplete(
+      WebKit::WebFrame* frame,
+      const WebKit::WebFormElement& form) OVERRIDE;
+  virtual void setIgnoreTextChanges(bool ignore) OVERRIDE;
+  virtual void didAssociateFormControls(
+      const WebKit::WebVector<WebKit::WebNode>& nodes) OVERRIDE;
+
+  DISALLOW_COPY_AND_ASSIGN(AutofillAgent);
+};
+
+}  // namespace autofill
+
+#endif  // ATOM_RENDERER_AUTOFILL_AUTOFILL_AGENT_H_