AutoFill: Preview form field values when the user changes the AutoFill dropdown

chrome/renderer/render_view.h

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #ifndef CHROME_RENDERER_RENDER_VIEW_H_
 #define CHROME_RENDERER_RENDER_VIEW_H_
 
 #include <deque>
 #include <map>
 #include <set>
@@ skipping 264 matching lines @@
                                          const WebKit::WebString& value);
   virtual void queryAutofillSuggestions(
       const WebKit::WebNode& node, const WebKit::WebString& name,
       const WebKit::WebString& value);
   virtual void removeAutofillSuggestions(
       const WebKit::WebString& name, const WebKit::WebString& value);
   virtual void didAcceptAutoFillSuggestion(
       const WebKit::WebNode& node,
       const WebKit::WebString& value,
       const WebKit::WebString& label);
+  virtual void didSelectAutoFillSuggestion(
+      const WebKit::WebNode& node,
+      const WebKit::WebString& value,
+      const WebKit::WebString& label);
+  virtual void didClearAutoFillSelection(const WebKit::WebNode& node);
 
   virtual WebKit::WebNotificationPresenter* GetNotificationPresenter() {
     return notification_provider_.get();
   }
   virtual WebKit::WebGeolocationService* geolocationService();
 
   // Sets the content settings that back allowScripts(), allowImages(), and
   // allowPlugins().
   void SetContentSettings(const ContentSettings& settings);
 
@@ skipping 269 matching lines @@
   FRIEND_TEST(RenderViewTest, InsertCharacters);
 #if defined(OS_MACOSX)
   FRIEND_TEST(RenderViewTest, MacTestCmdUp);
 #endif
   FRIEND_TEST(RenderViewTest, JSBlockSentAfterPageLoad);
   FRIEND_TEST(RenderViewTest, UpdateTargetURLWithInvalidURL);
 
   typedef std::map<GURL, ContentSettings> HostContentSettings;
   typedef std::map<GURL, int> HostZoomLevels;
 
+  enum AutoFillAction {
+    AUTOFILL_NONE,    // No state set.
+    AUTOFILL_FILL,    // Fill the AutoFill form data.
+    AUTOFILL_PREVIEW, // Preview the AutoFill form data.
+  };
+
   explicit RenderView(RenderThreadBase* render_thread,
                       const WebPreferences& webkit_preferences,
                       int64 session_storage_namespace_id);
 
   // Initializes this view with the given parent and ID. The |routing_id| can be
   // set to 'MSG_ROUTING_NONE' if the true ID is not yet known. In this case,
   // CompleteInit must be called later with the true ID.
   void Init(gfx::NativeViewId parent,
             int32 opener_id,
             const RendererPreferences& renderer_prefs,
@@ skipping 338 matching lines @@
 
   // Should only be called if this object wraps a PluginDocument.
   webkit_glue::WebPluginDelegate* GetDelegateForPluginDocument();
 
   // Returns false unless this is a top-level navigation that
   // crosses origins.
   bool IsNonLocalTopLevelNavigation(const GURL& url,
                                     WebKit::WebFrame* frame,
                                     WebKit::WebNavigationType type);
 
+  // Queries the AutoFillManager for form data for the form containing |node|.
+  // |value| is the current text in the field, and |label| is the selected
+  // profile label.  |action| specifies whether to Fill or Preview the values
+  // returned from the AutoFillManager.
+  void QueryAutoFillFormData(const WebKit::WebNode& node,
+                             const WebKit::WebString& value,
+                             const WebKit::WebString& label,
+                             AutoFillAction action);
+
   // Bitwise-ORed set of extra bindings that have been enabled.  See
   // BindingsPolicy for details.
   int enabled_bindings_;
 
   // DOM Automation Controller CppBoundClass.
   DomAutomationController dom_automation_controller_;
 
   // Chrome page<->browser messaging CppBoundClass.
   DOMUIBindings dom_ui_bindings_;
 
@@ skipping 272 matching lines @@
   // languages.
   TranslateHelper translate_helper_;
 
   // Site isolation metrics flags.  These are per-page-load counts, reset to 0
   // in OnClosePage.
   int cross_origin_access_count_;
   int same_origin_access_count_;
 
   PepperPluginDelegateImpl pepper_delegate_;
 
+  // The action to take when receiving AutoFill data from the AutoFillManager.
+  AutoFillAction autofill_action_;
+
   DISALLOW_COPY_AND_ASSIGN(RenderView);
 };
 
 #endif  // CHROME_RENDERER_RENDER_VIEW_H_