Add OOBE/login html dialog.

chrome/browser/chromeos/login/login_html_dialog.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_BROWSER_CHROMEOS_LOGIN_LOGIN_HTML_DIALOG_H_
+#define CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_HTML_DIALOG_H_
+
+#include <string>
+
+#include "chrome/browser/dom_ui/html_dialog_ui.h"
+#include "gfx/native_widget_types.h"
+#include "gfx/size.h"
+
+namespace chromeos {
+
+// Launches html dialog during OOBE/Login with specified URL and title.
+class LoginHtmlDialog : public HtmlDialogUIDelegate {
+ public:
+  // Delegate class to get notifications from the dialog.
+  class Delegate {
+  public:
+    virtual ~Delegate() {}
+
+    // Called when dialog has been closed.
+    virtual void OnDialogClosed() = 0;
+  };
+
+  LoginHtmlDialog(Delegate* delegate,
+                  gfx::NativeWindow parent_window,
+                  const std::wstring& title,
+                  const GURL& url);
+  ~LoginHtmlDialog();
+
+  // Shows created dialog.
+  void Show();
+
+ protected:
+  // HtmlDialogUIDelegate implementation.
+  virtual bool IsDialogModal() const { return true; }
+  virtual std::wstring GetDialogTitle() const { return title_; }
+  virtual GURL GetDialogContentURL() const { return url_; }
+  virtual void GetDOMMessageHandlers(
+      std::vector<DOMMessageHandler*>* handlers) const {}
+  virtual void GetDialogSize(gfx::Size* size) const;
+  virtual std::string GetDialogArgs() const { return std::string(); }
+  virtual void OnDialogClosed(const std::string& json_retval);
+  virtual void OnCloseContents(TabContents* source, bool* out_close_dialog);
+
+ private:
+  // Notifications receiver.
+  Delegate* delegate_;
+
+  gfx::NativeWindow parent_window_;
+  std::wstring title_;
+  GURL url_;
+
+  DISALLOW_COPY_AND_ASSIGN(LoginHtmlDialog);
+};
+
+}  // namespace chromeos
+
+#endif  // CHROME_BROWSER_CHROMEOS_LOGIN_LOGIN_HTML_DIALOG_H_