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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_WEBAPPS_BROWSER_INSTALLABLE_INSTALLABLE_ICON_FETCHER_H_
#define COMPONENTS_WEBAPPS_BROWSER_INSTALLABLE_INSTALLABLE_ICON_FETCHER_H_
#include <vector>
#include "base/functional/callback.h"
#include "base/task/cancelable_task_tracker.h"
#include "build/android_buildflags.h"
#include "components/webapps/browser/installable/installable_logging.h"
#include "components/webapps/browser/installable/installable_page_data.h"
#include "third_party/blink/public/mojom/manifest/manifest.mojom.h"
#include "third_party/skia/include/core/SkBitmap.h"
#include "url/gurl.h"
namespace content {
class WebContents;
} // namespace content
namespace favicon_base {
struct LargeIconResult;
}
namespace webapps {
namespace test {
extern int g_minimum_favicon_size_for_testing;
} // namespace test
// This class is responsible for fetching the primary icon for installing a site
// When done, it'll store the result in InstallablePageData and run the
// finish_callback.
class InstallableIconFetcher {
public:
InstallableIconFetcher(
content::WebContents* web_contents,
InstallablePageData& data,
const std::vector<blink::Manifest::ImageResource>& manifest_icons,
bool prefer_maskable,
bool fetch_favicon,
base::OnceCallback<void(InstallableStatusCode)> finish_callback);
~InstallableIconFetcher();
InstallableIconFetcher(const InstallableIconFetcher&) = delete;
InstallableIconFetcher& operator=(const InstallableIconFetcher&) = delete;
private:
void TryFetchingNextIcon();
void OnManifestIconFetched(
const GURL& icon_url,
const blink::mojom::ManifestImageResource_Purpose purpose,
const SkBitmap& bitmap);
void FetchFavicon();
void OnFaviconFetched(const favicon_base::LargeIconResult& result);
void OnIconFetched(const GURL& icon_url,
const blink::mojom::ManifestImageResource_Purpose purpose,
const SkBitmap& bitmap);
// Gives a chance for desktop android to generate an icon instead of
// ending with an error. Other platforms end immediately with an error.
void MaybeEndWithError(InstallableStatusCode code);
// Ends the fetch with an error.
void EndWithError(InstallableStatusCode code);
#if BUILDFLAG(IS_DESKTOP_ANDROID)
void OnHomeScreenIconGenerated(const GURL& page_url, const SkBitmap& bitmap);
#endif
base::WeakPtr<content::WebContents> web_contents_;
const raw_ref<InstallablePageData> page_data_;
const raw_ref<const std::vector<blink::Manifest::ImageResource>>
manifest_icons_;
const bool prefer_maskable_;
const bool fetch_favicon_;
base::OnceCallback<void(InstallableStatusCode)> finish_callback_;
std::vector<IconPurpose> downloading_icons_type_;
base::CancelableTaskTracker favicon_task_tracker_;
base::WeakPtrFactory<InstallableIconFetcher> weak_ptr_factory_{this};
};
} // namespace webapps
#endif // COMPONENTS_WEBAPPS_BROWSER_INSTALLABLE_INSTALLABLE_ICON_FETCHER_H_
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