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// 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_APPS_ALMANAC_API_CLIENT_ALMANAC_APP_ICON_LOADER_H_
#define CHROME_BROWSER_APPS_ALMANAC_API_CLIENT_ALMANAC_APP_ICON_LOADER_H_
#include <memory>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "components/services/app_service/public/cpp/icon_types.h"
class GURL;
class Profile;
namespace gfx {
class Image;
} // namespace gfx
namespace apps {
class AlmanacIconCache;
// Generic app icon loader for the different use cases of the Almanac server.
// Similar to AlmanacIconCache except it also supports SVG icons and applies app
// masking consistent with App Service.
class AlmanacAppIconLoader {
public:
explicit AlmanacAppIconLoader(Profile& profile);
virtual ~AlmanacAppIconLoader();
AlmanacAppIconLoader(const AlmanacAppIconLoader&) = delete;
AlmanacAppIconLoader& operator=(const AlmanacAppIconLoader&) = delete;
// Downloads `icon_url` from the internet, decodes/rasterizes it and applies
// ChromeOS app icon mask filtering to match what is seen in the
// launcher/shelf.
// Note that if the mimetype is SVG then a background WebContents will be spun
// up and used to render the icon, this WebContents lives until the
// AlmanacAppIconLoader is destroyed. Be sure to clean up this loader when not
// in use.
void GetAppIcon(const GURL& icon_url,
std::string_view icon_mime_type,
bool icon_masking_allowed,
base::OnceCallback<void(apps::IconValuePtr)> callback);
private:
class SvgLoader;
void OnSvgLoaded(bool icon_masking_allowed,
base::OnceCallback<void(apps::IconValuePtr)> callback,
std::optional<SkBitmap> bitmap);
void OnBitmapLoaded(bool icon_masking_allowed,
base::OnceCallback<void(apps::IconValuePtr)> callback,
const gfx::Image& icon_bitmap);
void ApplyIconEffects(bool icon_masking_allowed,
gfx::Image icon_bitmap,
base::OnceCallback<void(apps::IconValuePtr)> callback);
base::WeakPtr<Profile> profile_;
std::unique_ptr<SvgLoader> svg_loader_;
std::unique_ptr<AlmanacIconCache> icon_cache_;
base::WeakPtrFactory<AlmanacAppIconLoader> weak_ptr_factory_{this};
};
} // namespace apps
#endif // CHROME_BROWSER_APPS_ALMANAC_API_CLIENT_ALMANAC_APP_ICON_LOADER_H_
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