Implement the auto-logout on idle feature for Kiosk mode.

chrome/browser/ui/webui/chromeos/idle_logout_dialog.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_UI_WEBUI_CHROMEOS_IDLE_LOGOUT_DIALOG_H_
+#define CHROME_BROWSER_UI_WEBUI_CHROMEOS_IDLE_LOGOUT_DIALOG_H_
+#pragma once
+
+#include <string>
+#include <vector>
+
+#include "base/memory/scoped_ptr.h"
+#include "base/string16.h"
+#include "base/values.h"
+#include "chrome/browser/ui/webui/html_dialog_ui.h"
+#include "ui/gfx/native_widget_types.h"
+
+class IdleLogoutDialogHandler;
+
+// A class to show the logout on idle dialog if the machine is in retail mode.
+class IdleLogoutDialog : private HtmlDialogUIDelegate {
+ public:
+  static void ShowIdleLogoutDialog();
+  static void CloseIdleLogoutDialog();
+
+ private:
+  IdleLogoutDialog();
+  virtual ~IdleLogoutDialog();
+
+  void ShowDialog();
+  void CloseDialog();
+
+  // HtmlDialogUIDelegate methods
+  virtual ui::ModalType GetDialogModalType() const OVERRIDE;
+  virtual string16 GetDialogTitle() const OVERRIDE;
+  virtual GURL GetDialogContentURL() const OVERRIDE;
+  virtual void GetWebUIMessageHandlers(
+      std::vector<content::WebUIMessageHandler*>* handlers) const OVERRIDE;
+  virtual void GetDialogSize(gfx::Size* size) const OVERRIDE;
+  virtual std::string GetDialogArgs() const OVERRIDE;
+  virtual void OnDialogClosed(const std::string& json_retval) OVERRIDE;
+  virtual void OnCloseContents(content::WebContents* source,
+                               bool* out_close_dialog) OVERRIDE;
+  virtual bool ShouldShowDialogTitle() const OVERRIDE;
+
+  content::WebContents* contents_;
+  IdleLogoutDialogHandler* handler_;
+
+  DISALLOW_COPY_AND_ASSIGN(IdleLogoutDialog);
+};
+
+class IdleLogoutDialogUI : public HtmlDialogUI {

[xiyuan, 2012/03/01 23:15:56]

nit: Does this have to be in the header file? If no, move it into cc file.

[rkc, 2012/03/02 00:10:19]

Yep, it's needed by the webui controller factory.

+ public:
+  explicit IdleLogoutDialogUI(content::WebUI* web_ui);
+  virtual ~IdleLogoutDialogUI() {}
+
+ private:
+  DISALLOW_COPY_AND_ASSIGN(IdleLogoutDialogUI);
+};
+
+#endif  // CHROME_BROWSER_UI_WEBUI_CHROMEOS_IDLE_LOGOUT_DIALOG_H_