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// Copyright (C) 2021 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
//
// W A R N I N G
// -------------
//
// This file is not part of the Qt API. It exists purely as an
// implementation detail. This header file may change from version to
// version without notice, or even be removed.
//
// We mean it.
//
#ifndef FAVICON_DRIVER_QT_H
#define FAVICON_DRIVER_QT_H
#include "qtwebenginecoreglobal_p.h"
#include "components/favicon/core/favicon_driver.h"
#include "components/favicon/core/favicon_handler.h"
#include "content/public/browser/favicon_status.h"
#include "content/public/browser/web_contents_observer.h"
#include "content/public/browser/web_contents_user_data.h"
#include "third_party/blink/public/mojom/favicon/favicon_url.mojom.h"
namespace content {
class WebContents;
}
namespace favicon {
class FaviconService;
}
namespace QtWebEngineCore {
class WebContentsAdapterClient;
struct FaviconStatusQt : public content::FaviconStatus
{
FaviconStatusQt();
// Type of the favicon::FaviconHandler that provided this icon.
favicon::FaviconDriverObserver::NotificationIconType source;
};
class FaviconDriverQt : public favicon::FaviconDriver,
public favicon::FaviconHandler::Delegate,
public content::WebContentsObserver,
public content::WebContentsUserData<FaviconDriverQt>
{
public:
static void CreateForWebContents(content::WebContents *webContents,
favicon::FaviconService *faviconService,
WebContentsAdapterClient *viewClient);
// FaviconDriver implementation.
void FetchFavicon(const GURL &page_url, bool is_same_document) override;
gfx::Image GetFavicon() const override;
bool FaviconIsValid() const override;
GURL GetActiveURL() override;
GURL GetFaviconURL() const;
protected:
FaviconDriverQt(content::WebContents *webContent, favicon::FaviconService *faviconService,
WebContentsAdapterClient *viewClient);
private:
friend class content::WebContentsUserData<FaviconDriverQt>;
// FaviconHandler::Delegate implementation.
int DownloadImage(const GURL &url, int max_image_size, ImageDownloadCallback callback) override;
void DownloadManifest(const GURL &url, ManifestDownloadCallback callback) override;
bool IsOffTheRecord() override;
void OnFaviconUpdated(const GURL &page_url,
favicon::FaviconDriverObserver::NotificationIconType icon_type,
const GURL &icon_url, bool icon_url_changed,
const gfx::Image &image) override;
void OnFaviconDeleted(
const GURL &page_url,
favicon::FaviconDriverObserver::NotificationIconType notification_icon_type) override;
void OnHandlerCompleted(favicon::FaviconHandler *handler) override;
// content::WebContentsObserver implementation.
void DidUpdateFaviconURL(content::RenderFrameHost *render_frame_host,
const std::vector<blink::mojom::FaviconURLPtr> &candidates) override;
void DidUpdateWebManifestURL(content::RenderFrameHost *target_frame,
const GURL &manifest_url) override;
void DidStartNavigation(content::NavigationHandle *navigation_handle) override;
void DidFinishNavigation(content::NavigationHandle *navigation_handle) override;
void DocumentOnLoadCompletedInMainFrame(content::RenderFrameHost *render_frame_host) override;
// Informs FaviconService that the favicon for |url| is out of date. If
// |force_reload| is true, then discard information about favicon download
// failures.
void SetFaviconOutOfDateForPage(const GURL &url, bool force_reload);
// Broadcasts new favicon URL candidates to FaviconHandlers.
void OnUpdateCandidates(const GURL &page_url,
const std::vector<favicon::FaviconURL> &candidates,
const GURL &manifest_url);
void emitIconChangedIfNeeded();
// KeyedService used by FaviconDriverImpl. It may be null during testing,
// but if it is defined, it must outlive the FaviconDriverImpl.
favicon::FaviconService *m_faviconService;
WebContentsAdapterClient *m_viewClient;
// FaviconHandlers used to download the different kind of favicons.
std::vector<std::unique_ptr<favicon::FaviconHandler>> m_handlers;
GURL m_bypassCachePageURL;
bool m_documentOnLoadCompleted = false;
// nullopt until the actual list is reported via DidUpdateFaviconURL().
absl::optional<std::vector<blink::mojom::FaviconURLPtr>> m_faviconUrls;
// Web Manifest URL or empty URL if none.
GURL m_manifestUrl;
int m_completedHandlersCount = 0;
FaviconStatusQt m_latestFavicon;
WEB_CONTENTS_USER_DATA_KEY_DECL();
};
} // namespace QtWebEngineCore
#endif // FAVICON_DRIVER_QT_H
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