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// Copyright (c) 2011 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 CONTENT_BROWSER_JAVASCRIPT_DIALOG_DELEGATE_H_
#define CONTENT_BROWSER_JAVASCRIPT_DIALOG_DELEGATE_H_
#pragma once
#include "base/string16.h"
#include "ui/gfx/native_widget_types.h"
class ExtensionHost;
class GURL;
class Profile;
class TabContents;
namespace IPC {
class Message;
}
namespace content {
// A class that invokes a JavaScript dialog must implement this interface to
// allow the dialog implementation to get needed information and return results.
class JavaScriptDialogDelegate {
public:
// This callback is invoked when the dialog is closed.
virtual void OnDialogClosed(IPC::Message* reply_msg,
bool success,
const string16& user_input) = 0;
// Returns the root native window with which to associate the dialog.
virtual gfx::NativeWindow GetDialogRootWindow() = 0;
// Returns the TabContents implementing this delegate, or NULL if there is
// none. TODO(avi): This breaks encapsulation and in general sucks; figure out
// a better way of doing this.
virtual TabContents* AsTabContents() = 0;
// Returns the ExtensionHost implementing this delegate, or NULL if there is
// none. TODO(avi): This is even suckier than AsTabContents above as it breaks
// layering; figure out a better way of doing this. http://crbug.com/84604
virtual ExtensionHost* AsExtensionHost() = 0;
protected:
virtual ~JavaScriptDialogDelegate() {}
};
// An interface consisting of methods that can be called to produce JavaScript
// dialogs.
class JavaScriptDialogCreator {
public:
// Displays a JavaScript dialog. |did_suppress_message| will not be nil; if
// |true| is returned in it, the caller will handle faking the reply.
// TODO(avi): Remove Profile from this call; http://crbug.com/84601
virtual void RunJavaScriptDialog(JavaScriptDialogDelegate* delegate,
const GURL& frame_url,
int dialog_flags,
const string16& message_text,
const string16& default_prompt_text,
IPC::Message* reply_message,
bool* did_suppress_message,
Profile* profile) = 0;
// Displays a dialog asking the user if they want to leave a page.
virtual void RunBeforeUnloadDialog(JavaScriptDialogDelegate* delegate,
const string16& message_text,
IPC::Message* reply_message) = 0;
// Resets any saved JavaScript dialog state for the delegate.
virtual void ResetJavaScriptState(JavaScriptDialogDelegate* delegate) = 0;
protected:
virtual ~JavaScriptDialogCreator() {}
};
} // namespace content
#endif // CONTENT_BROWSER_JAVASCRIPT_DIALOG_DELEGATE_H_
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