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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 CHROME_BROWSER_UI_TAB_MODAL_CONFIRM_DIALOG_DELEGATE_H_
#define CHROME_BROWSER_UI_TAB_MODAL_CONFIRM_DIALOG_DELEGATE_H_
#pragma once
#include "base/callback.h"
#include "base/compiler_specific.h"
#include "base/string16.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
namespace gfx {
class Image;
}
class ConstrainedWindow;
class TabContents;
// This class acts as the delegate for a simple tab-modal dialog confirming
// whether the user wants to execute a certain action.
class TabModalConfirmDialogDelegate : public content::NotificationObserver {
public:
explicit TabModalConfirmDialogDelegate(TabContents* tab_contents);
virtual ~TabModalConfirmDialogDelegate();
void set_window(ConstrainedWindow* window) { window_ = window; }
void Accept();
void Cancel();
// The title of the dialog. Note that the title is not shown on all platforms.
virtual string16 GetTitle() = 0;
virtual string16 GetMessage() = 0;
// Icon to show for the dialog. If this method is not overridden, a default
// icon (like the application icon) is shown.
virtual gfx::Image* GetIcon();
// Title for the accept and the cancel buttons.
// The default implementation uses IDS_OK and IDS_CANCEL.
virtual string16 GetAcceptButtonTitle();
virtual string16 GetCancelButtonTitle();
// GTK stock icon names for the accept and cancel buttons, respectively.
// The icons are only used on GTK. If these methods are not overriden,
// the buttons have no stock icons.
virtual const char* GetAcceptButtonIcon();
virtual const char* GetCancelButtonIcon();
protected:
ConstrainedWindow* window() { return window_; }
// content::NotificationObserver implementation.
// Watch for a new load or a closed tab and dismiss the dialog if they occur.
virtual void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) OVERRIDE;
content::NotificationRegistrar registrar_;
private:
// Called when the user accepts or cancels the dialog, respectively.
virtual void OnAccepted();
virtual void OnCanceled();
// Close the dialog.
void CloseDialog();
ConstrainedWindow* window_;
// True iff we are in the process of closing, to avoid running callbacks
// multiple times.
bool closing_;
DISALLOW_COPY_AND_ASSIGN(TabModalConfirmDialogDelegate);
};
#endif // CHROME_BROWSER_UI_TAB_MODAL_CONFIRM_DIALOG_DELEGATE_H_
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