// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_WEBUI_ASH_PRINT_PREVIEW_CROS_PRINT_PREVIEW_CROS_DIALOG_H_
#define CHROME_BROWSER_UI_WEBUI_ASH_PRINT_PREVIEW_CROS_PRINT_PREVIEW_CROS_DIALOG_H_
#include <string>
#include "base/observer_list_types.h"
#include "base/unguessable_token.h"
#include "chrome/browser/ui/webui/ash/system_web_dialog_delegate.h"
#include "ui/gfx/native_widget_types.h"
namespace ash::printing::print_preview {
// Print preview dialog implementation. A SystemWebDialog to inherit base
// behaviors.
class PrintPreviewCrosDialog : public SystemWebDialogDelegate {
public:
// Notifies clients of events related to lifetime of dialog.
class PrintPreviewCrosDialogObserver : public base::CheckedObserver {
public:
~PrintPreviewCrosDialogObserver() override = default;
virtual void OnDialogClosed(base::UnguessableToken token) = 0;
};
~PrintPreviewCrosDialog() override;
static PrintPreviewCrosDialog* ShowDialog(base::UnguessableToken token);
void AddObserver(PrintPreviewCrosDialogObserver* observer);
void RemoveObserver(PrintPreviewCrosDialogObserver* observer);
// SystemWebDialogDelegate:
void OnDialogShown(content::WebUI* webui) override;
void OnDialogClosed(const std::string& json_retval) override;
gfx::NativeWindow GetDialogWindowForTesting();
protected:
friend class PrintPreviewCrosDialogTest;
explicit PrintPreviewCrosDialog(base::UnguessableToken token);
private:
// SystemWebDialogDelegate:
std::string Id() override;
base::ObserverList<PrintPreviewCrosDialogObserver> observer_list_;
base::UnguessableToken dialog_id_;
};
} // namespace ash::printing::print_preview
#endif // CHROME_BROWSER_UI_WEBUI_ASH_PRINT_PREVIEW_CROS_PRINT_PREVIEW_CROS_DIALOG_H_