Introduce RenderView::Observer interface so that RenderView doesn't have to k...

chrome/renderer/password_autocomplete_manager.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_PASSWORD_AUTOCOMPLETE_MANAGER_H_
 #define CHROME_RENDERER_PASSWORD_AUTOCOMPLETE_MANAGER_H_
 #pragma once
 
 #include <map>
 #include <vector>
 
 #include "base/task.h"
 #include "chrome/renderer/page_click_listener.h"
+#include "chrome/renderer/render_view_observer.h"
 #include "webkit/glue/password_form_dom_manager.h"
 #include "third_party/WebKit/WebKit/chromium/public/WebInputElement.h"
 
-class RenderView;
 namespace WebKit {
+class WebInputElement;
 class WebKeyboardEvent;
-class WebView;
 }
 
 // This class is responsible for filling password forms.
 // There is one PasswordAutocompleteManager per RenderView.
-class PasswordAutocompleteManager : public PageClickListener {
+class PasswordAutocompleteManager : public RenderViewObserver,
+                                    public PageClickListener {
  public:
   explicit PasswordAutocompleteManager(RenderView* render_view);
   virtual ~PasswordAutocompleteManager();
 
-  // Invoked by the renderer when it receives the password info from the
-  // browser.  This triggers a password autocomplete (if wait_for_username is
-  // false on |form_data|).
-  void ReceivedPasswordFormFillData(WebKit::WebView* view,
-      const webkit_glue::PasswordFormFillData& form_data);
-
   // Invoked when the passed frame is closing.  Gives us a chance to clear any
   // reference we may have to elements in that frame.
   void FrameClosing(const WebKit::WebFrame* frame);
 
   // Fills the password associated with |user_input|, using its current value
   // as the actual user name.  Returns true if the password field was filled,
   // false otherwise, typically if there was no matching suggestions for the
   // currently typed username.
   bool FillPassword(const WebKit::WebInputElement& user_input);
 
   // Fills |login_input| and |password| with the most relevant suggestion from
   // |fill_data| and shows a popup with other suggestions.
   void PerformInlineAutocomplete(
       const WebKit::WebInputElement& username,
       const WebKit::WebInputElement& password,
       const webkit_glue::PasswordFormFillData& fill_data);
 
-  // Scans the given frame for password forms and sends them up to the browser.
-  // If |only_visible| is true, only forms visible in the layout are sent.
-  void SendPasswordForms(WebKit::WebFrame* frame, bool only_visible);
-
   // WebViewClient editor related calls forwarded by the RenderView.
   // If they return true, it indicates the event was consumed and should not
   // be used for any other autofill activity.
   bool TextFieldDidEndEditing(const WebKit::WebInputElement& element);
   bool TextDidChangeInTextField(const WebKit::WebInputElement& element);
   void TextFieldHandlingKeyDown(const WebKit::WebInputElement& element,
                                 const WebKit::WebKeyboardEvent& event);
 
  private:
+  friend class PasswordAutocompleteManagerTest;
+
   struct PasswordInfo {
     WebKit::WebInputElement password_field;
     webkit_glue::PasswordFormFillData fill_data;
     bool backspace_pressed_last;
     PasswordInfo() : backspace_pressed_last(false) {}
   };
   typedef std::map<WebKit::WebElement, PasswordInfo> LoginToPasswordInfoMap;
 
+  // RenderView::Observer implementation.
+  virtual bool OnMessageReceived(const IPC::Message& message);
+  virtual void DidFinishDocumentLoad(WebKit::WebFrame* frame);
+  virtual void DidFinishLoad(WebKit::WebFrame* frame);
+
   // PageClickListener implementation:
   virtual bool InputElementClicked(const WebKit::WebInputElement& element,
                                    bool was_focused,
                                    bool is_focused);
 
+  void OnFillPasswordForm(
+      const webkit_glue::PasswordFormFillData& form_data);
+
+  // Scans the given frame for password forms and sends them up to the browser.
+  // If |only_visible| is true, only forms visible in the layout are sent.
+  void SendPasswordForms(WebKit::WebFrame* frame, bool only_visible);
+
   void GetSuggestions(
       const webkit_glue::PasswordFormFillData& fill_data,
       const string16& input,
       std::vector<string16>* suggestions);
 
   bool ShowSuggestionPopup(
       const webkit_glue::PasswordFormFillData& fill_data,
       const WebKit::WebInputElement& user_input);
 
   bool FillUserNameAndPassword(
       WebKit::WebInputElement* username_element,
       WebKit::WebInputElement* password_element,
       const webkit_glue::PasswordFormFillData& fill_data,
       bool exact_username_match);
 
-  // Convenience method that returns the routing ID of the render view we are
-  // associated with.
-  int GetRoutingID() const;
-
-  // Weak reference.
-  RenderView* render_view_;
-
   // The logins we have filled so far with their associated info.
   LoginToPasswordInfoMap login_to_password_info_;
 
   ScopedRunnableMethodFactory<PasswordAutocompleteManager> method_factory_;
 
   DISALLOW_COPY_AND_ASSIGN(PasswordAutocompleteManager);
 };
 
 #endif  // CHROME_RENDERER_PASSWORD_AUTOCOMPLETE_MANAGER_H_