Support web contents modal dialogs within SimpleWebViewDialog and WebUILoginView

chrome/browser/chromeos/login/webui_login_view.h

 // Copyright (c) 2012 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_BROWSER_CHROMEOS_LOGIN_WEBUI_LOGIN_VIEW_H_
 #define CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_LOGIN_VIEW_H_
 
 #include <map>
 #include <string>
 
 #include "base/memory/scoped_ptr.h"
+#include "base/observer_list.h"
 #include "chrome/browser/extensions/scoped_gaia_auth_extension.h"
+#include "chrome/browser/ui/chrome_web_modal_dialog_manager_delegate.h"
+#include "components/web_modal/web_contents_modal_dialog_host.h"
 #include "content/public/browser/notification_observer.h"
 #include "content/public/browser/notification_registrar.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "ui/views/controls/webview/unhandled_keyboard_event_handler.h"
 #include "ui/views/widget/widget.h"
 #include "ui/views/widget/widget_delegate.h"
 
 class GURL;
 
 namespace content {
 class WebUI;
 }
 
 namespace views {
 class View;
 class WebView;
 class Widget;
 }
 
 namespace chromeos {
 
 // View used to render a WebUI supporting Widget. This widget is used for the
 // WebUI based start up and lock screens. It contains a WebView.
 class WebUILoginView : public views::View,
                        public content::WebContentsDelegate,
-                       public content::NotificationObserver {
+                       public content::NotificationObserver,
+                       public ChromeWebModalDialogManagerDelegate,
+                       public web_modal::WebContentsModalDialogHost {
  public:
   // Internal class name.
   static const char kViewClassName[];
 
   WebUILoginView();
   virtual ~WebUILoginView();
 
   // Initializes the webui login view.
   virtual void Init(views::Widget* login_window);
 
   // Overridden from views::Views:
   virtual bool AcceleratorPressed(
       const ui::Accelerator& accelerator) OVERRIDE;
   virtual const char* GetClassName() const OVERRIDE;
 
+  // Overridden from ChromeWebModalDialogManagerDelegate:
+  virtual web_modal::WebContentsModalDialogHost*
+      GetWebContentsModalDialogHost() OVERRIDE;
+
+  // Overridden from web_modal::WebContentsModalDialogHost:
+  virtual gfx::NativeView GetHostView() const OVERRIDE;
+  virtual gfx::Point GetDialogPosition(const gfx::Size& size) OVERRIDE;
+  virtual void AddObserver(
+      web_modal::WebContentsModalDialogHostObserver* observer) OVERRIDE;
+  virtual void RemoveObserver(
+      web_modal::WebContentsModalDialogHostObserver* observer) OVERRIDE;
+
   // Called when WebUI window is created.
   virtual void OnWindowCreated();
 
   // Gets the native window from the view widget.
   gfx::NativeWindow GetNativeWindow() const;
 
   // Invokes SetWindowType for the window. This is invoked during startup and
   // after we've painted.
   void UpdateWindowType();
 
@@ skipping 90 matching lines @@
 
   // Should we emit the login-prompt-visible signal when the login page is
   // displayed?
   bool should_emit_login_prompt_visible_;
 
   // True to forward keyboard event.
   bool forward_keyboard_event_;
 
   scoped_ptr<ScopedGaiaAuthExtension> auth_extension_;
 
+  ObserverList<web_modal::WebContentsModalDialogHostObserver> observer_list_;
+
   DISALLOW_COPY_AND_ASSIGN(WebUILoginView);
 };
 
 }  // namespace chromeos
 
 #endif  // CHROME_BROWSER_CHROMEOS_LOGIN_WEBUI_LOGIN_VIEW_H_