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// 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_JS_MODAL_DIALOG_H_
#define CHROME_BROWSER_JS_MODAL_DIALOG_H_
#pragma once
#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 "gfx/native_widget_types.h"
class ExtensionHost;
class NativeAppModalDialog;
class TabContents;
namespace IPC {
class Message;
}
class JavaScriptAppModalDialogDelegate {
public:
// AppModalDialog calls this when the dialog is closed.
virtual void OnMessageBoxClosed(IPC::Message* reply_msg,
bool success,
const std::wstring& prompt) = 0;
// Indicates whether additional message boxes should be suppressed.
virtual void SetSuppressMessageBoxes(bool suppress_message_boxes) = 0;
// Returns the root native window with which the message box is associated.
virtual gfx::NativeWindow GetMessageBoxRootWindow() = 0;
// Returns the TabContents or ExtensionHost associated with this message
// box -- in practice, the object implementing this interface. Exactly one
// of these must be non-NULL; behavior is undefined (read: it'll probably
// crash) if that is not the case.
virtual TabContents* AsTabContents() = 0;
virtual ExtensionHost* AsExtensionHost() = 0;
protected:
virtual ~JavaScriptAppModalDialogDelegate() {}
};
// A controller + model class for JavaScript alert, confirm, prompt, and
// onbeforeunload dialog boxes.
class JavaScriptAppModalDialog : public AppModalDialog,
public NotificationObserver {
public:
JavaScriptAppModalDialog(JavaScriptAppModalDialogDelegate* delegate,
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();
// Overridden from AppModalDialog:
virtual NativeAppModalDialog* CreateNativeDialog();
JavaScriptAppModalDialogDelegate* delegate() const { return delegate_; }
// Callbacks from NativeDialog when the user accepts or cancels the dialog.
void OnCancel(bool suppress_js_messages);
void OnAccept(const std::wstring& prompt_text, bool suppress_js_messages);
void OnClose();
// Accessors
int dialog_flags() const { return dialog_flags_; }
std::wstring message_text() const { return message_text_; }
std::wstring default_prompt_text() const { return default_prompt_text_; }
bool display_suppress_checkbox() const { return display_suppress_checkbox_; }
bool is_before_unload_dialog() const { return is_before_unload_dialog_; }
protected:
// Overridden from AppModalDialog:
virtual void Cleanup();
private:
// Overridden from NotificationObserver:
virtual void Observe(NotificationType type,
const NotificationSource& source,
const NotificationDetails& details);
// Initializes for notifications to listen.
void InitNotifications();
NotificationRegistrar registrar_;
// An implementation of the client interface to provide supporting methods
// and receive results.
JavaScriptAppModalDialogDelegate* delegate_;
// 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 Delegate). This will be NULL if the |delegate_| 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_;
DISALLOW_COPY_AND_ASSIGN(JavaScriptAppModalDialog);
};
#endif // CHROME_BROWSER_JS_MODAL_DIALOG_H_
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