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// Copyright (c) 2009 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.


#include <string>

#include "build/build_config.h"
#include "chrome/browser/app_modal_dialog.h"
#include "chrome/common/notification_observer.h"
#include "chrome/common/notification_registrar.h"
#include "net/base/cookie_monster.h"

#if defined(OS_MACOSX)
#if __OBJC__
@class NSAlert;
class NSAlert;

class ExtensionHost;
class JavaScriptMessageBoxClient;

// A controller+model class for JavaScript alert, confirm, prompt, and
// onbeforeunload dialog boxes.
class JavaScriptAppModalDialog : public AppModalDialog,
                                 public NotificationObserver {
  // A union of data necessary to determine the type of message box to
  // show.  |dialog_flags| is a MessageBox flag.
  JavaScriptAppModalDialog(JavaScriptMessageBoxClient* client,
                           const std::wstring& title,
                           int dialog_flags,
                           const std::wstring& message_text,
                           const std::wstring& default_prompt_text,
                           bool display_suppress_checkbox,
                           bool is_before_unload_dialog,
                           IPC::Message* reply_msg);
  virtual ~JavaScriptAppModalDialog();

  // AppModalDialog overrides.
#if defined(OS_POSIX)
  virtual void CreateAndShowDialog();
#if defined(TOOLKIT_USES_GTK)
  virtual void HandleDialogResponse(GtkDialog* dialog, gint response_id);
  virtual int GetDialogButtons();
  virtual void AcceptWindow();
  virtual void CancelWindow();

  // Getters so NativeDialog can get information about the message box.
  JavaScriptMessageBoxClient* client() {
    return client_;
  int dialog_flags() {
    return dialog_flags_;
  bool is_before_unload_dialog() {
    return is_before_unload_dialog_;

#if defined(OS_MACOSX)
  virtual void CloseModalDialog();

  // Callbacks from NativeDialog when the user accepts or cancels the dialog.
  void OnCancel();
  void OnAccept(const std::wstring& prompt_text, bool suppress_js_messages);
  void OnClose();

  // AppModalDialog overrides.
  virtual void Cleanup();
  virtual NativeDialog CreateNativeDialog();

  // NotificationObserver implementation.
  virtual void Observe(NotificationType type,
                       const NotificationSource& source,
                       const NotificationDetails& details);

  // Initializes for notifications to listen.
  void InitNotifications();

#if defined(OS_MACOSX)
  NSAlert* dialog_;

  NotificationRegistrar registrar_;

  // An implementation of the client interface to provide supporting methods
  // and receive results.
  JavaScriptMessageBoxClient* client_;

  // The client_ as an ExtensionHost, cached for use during notifications that
  // may arrive after the client has entered its destructor (and is thus
  // treated as a base JavaScriptMessageBoxClient). This will be NULL if the
  // client is not an ExtensionHost.
  ExtensionHost* extension_host_;

  // Information about the message box is held in the following variables.
  int dialog_flags_;
  std::wstring message_text_;
  std::wstring default_prompt_text_;
  bool display_suppress_checkbox_;
  bool is_before_unload_dialog_;
  IPC::Message* reply_msg_;



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