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// Copyright 2025 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_VIEWS_WEB_APPS_WEB_APP_MODAL_DIALOG_DELEGATE_H_
#define CHROME_BROWSER_UI_VIEWS_WEB_APPS_WEB_APP_MODAL_DIALOG_DELEGATE_H_
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/picture_in_picture/picture_in_picture_occlusion_observer.h"
#include "chrome/browser/picture_in_picture/scoped_picture_in_picture_occlusion_observation.h"
#include "content/public/browser/web_contents_observer.h"
#include "ui/base/models/dialog_model.h"
#include "ui/views/widget/widget_observer.h"
namespace views {
class Widget;
}
namespace web_app {
// Base class for modal web app dialogs (install, launch, etc.)
// Covers common functionality for web app modal dialogs, such as closing on
// tab changes, closing on occlusion by the picture in picture dialog, and
// widget destruction.
class WebAppModalDialogDelegate : public ui::DialogModelDelegate,
public content::WebContentsObserver,
public PictureInPictureOcclusionObserver,
public views::WidgetObserver {
public:
explicit WebAppModalDialogDelegate(content::WebContents* web_contents);
~WebAppModalDialogDelegate() override;
// Once the dialog is shown, start tracking the widget for:
// 1. Observing it to prevent picture in picture occlusion.
// 2. Observing it for size changes so that it can be closed if needed.
// 3. Tracking it as a security dialog so that extension popups do not appear
// over it.
void OnWidgetShownStartTracking(views::Widget* dialog_widget);
// content::WebContentsObserver overrides:
void OnVisibilityChanged(content::Visibility visibility) override;
void WebContentsDestroyed() override;
void PrimaryPageChanged(content::Page& page) override;
// views::WidgetObserver override:
void OnWidgetDestroyed(views::Widget* widget) override;
// PictureInPictureOcclusionObserver overrides:
void OnOcclusionStateChanged(bool occluded) override;
protected:
// Handle dialog close due to non-user actions - tab switch, navigation, etc.
virtual void CloseDialogAsIgnored() = 0;
private:
base::ScopedObservation<views::Widget, views::WidgetObserver>
widget_observation_{this};
ScopedPictureInPictureOcclusionObservation occlusion_observation_{this};
};
} // namespace web_app
#endif // CHROME_BROWSER_UI_VIEWS_WEB_APPS_WEB_APP_MODAL_DIALOG_DELEGATE_H_
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