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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_WEBUI_NEW_TAB_FOOTER_NEW_TAB_FOOTER_HANDLER_H_
#define CHROME_BROWSER_UI_WEBUI_NEW_TAB_FOOTER_NEW_TAB_FOOTER_HANDLER_H_
#include "base/memory/raw_ptr.h"
#include "base/scoped_observation.h"
#include "chrome/browser/search/background/ntp_custom_background_service.h"
#include "chrome/browser/search/background/ntp_custom_background_service_observer.h"
#include "chrome/browser/ui/webui/new_tab_footer/new_tab_footer.mojom.h"
#include "chrome/browser/ui/webui/top_chrome/top_chrome_web_ui_controller.h"
#include "components/policy/core/common/management/management_service.h"
#include "components/prefs/pref_change_registrar.h"
#include "content/public/browser/web_contents.h"
#include "extensions/browser/extension_registry.h"
#include "extensions/browser/extension_registry_observer.h"
#include "mojo/public/cpp/bindings/pending_receiver.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "mojo/public/cpp/bindings/remote.h"
class Profile;
class NewTabFooterHandler : public new_tab_footer::mojom::NewTabFooterHandler,
public extensions::ExtensionRegistryObserver,
public policy::ManagementService::Observer,
public NtpCustomBackgroundServiceObserver {
public:
NewTabFooterHandler(
mojo::PendingReceiver<new_tab_footer::mojom::NewTabFooterHandler>
pending_handler,
mojo::PendingRemote<new_tab_footer::mojom::NewTabFooterDocument>
pending_document,
base::WeakPtr<TopChromeWebUIController::Embedder> embedder,
NtpCustomBackgroundService* ntp_custom_background_service,
content::WebContents* web_contents);
NewTabFooterHandler(const NewTabFooterHandler&) = delete;
NewTabFooterHandler& operator=(const NewTabFooterHandler&) = delete;
~NewTabFooterHandler() override;
// new_tab_footer::mojom::NewTabFooterHandler:
void UpdateNtpExtensionName() override;
void UpdateManagementNotice() override;
void UpdateAttachedTabState() override;
void UpdateBackgroundAttribution() override;
void OpenExtensionOptionsPageWithFallback() override;
void OpenManagementPage() override;
void OpenUrlInCurrentTab(const GURL& url) override;
void ShowContextMenu(const gfx::Point& point) override;
// Returns the bitmap representation of the management logo.
// Exposed for testing only.
SkBitmap GetManagementNoticeIconBitmap();
// Passes `AttachedTabStateUpdated` calls to the `document_`.
void AttachedTabStateUpdated(const GURL& url);
// ManagementService::Observer
void OnEnterpriseLogoUpdatedForBrowser() override;
void SetThemeProviderForTesting(ui::ThemeProvider* theme_provider);
private:
std::string GetManagementNoticeText();
std::string GetManagementNoticeIconDataUrl();
// extensions::ExtensionRegistryObserver.
void OnExtensionUnloaded(content::BrowserContext* browser_context,
const extensions::Extension* extension,
extensions::UnloadedExtensionReason reason) override;
void OnExtensionReady(content::BrowserContext* browser_context,
const extensions::Extension* extension) override;
// NtpCustomBackgroundServiceObserver:
void OnCustomBackgroundImageUpdated() override;
GURL curr_background_url_;
std::string curr_ntp_extension_id_;
base::WeakPtr<TopChromeWebUIController::Embedder> embedder_;
const raw_ptr<Profile> profile_;
const raw_ptr<content::WebContents> web_contents_;
raw_ptr<NtpCustomBackgroundService> ntp_custom_background_service_;
raw_ptr<const ui::ThemeProvider> theme_provider_;
PrefChangeRegistrar profile_pref_change_registrar_;
PrefChangeRegistrar local_state_pref_change_registrar_;
GURL last_source_url_;
base::ScopedObservation<extensions::ExtensionRegistry,
extensions::ExtensionRegistryObserver>
extension_registry_observation_{this};
base::ScopedObservation<policy::ManagementService,
policy::ManagementService::Observer>
management_observation_{this};
base::ScopedObservation<NtpCustomBackgroundService,
NtpCustomBackgroundServiceObserver>
ntp_custom_background_service_observation_{this};
// These are located at the end of the list of member variables to ensure the
// WebUI page is disconnected before other members are destroyed.
mojo::Remote<new_tab_footer::mojom::NewTabFooterDocument> document_;
mojo::Receiver<new_tab_footer::mojom::NewTabFooterHandler> handler_;
};
#endif // CHROME_BROWSER_UI_WEBUI_NEW_TAB_FOOTER_NEW_TAB_FOOTER_HANDLER_H_
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