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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_DATA_FETCHER_H_
#define COMPONENTS_WEBAPPS_BROWSER_INSTALLABLE_INSTALLABLE_DATA_FETCHER_H_
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "components/webapps/browser/installable/installable_icon_fetcher.h"
#include "components/webapps/browser/installable/installable_logging.h"
#include "components/webapps/browser/installable/installable_page_data.h"
#include "components/webapps/common/web_page_metadata.mojom.h"
#include "components/webapps/common/web_page_metadata_agent.mojom.h"
#include "mojo/public/cpp/bindings/associated_remote.h"
#include "third_party/blink/public/mojom/manifest/manifest.mojom.h"
#include "url/gurl.h"
namespace content {
class WebContents;
} // namespace content
namespace webapps {
using FetcherCallback = base::OnceCallback<void(InstallableStatusCode)>;
// This class is responsible for fetching the resources required to install a
// site and store them into InstallablePageData. It'll return the result if the
// result is already cached in the InstallablePageData.
class InstallableDataFetcher {
public:
InstallableDataFetcher(content::WebContents* web_contents,
InstallablePageData& data);
~InstallableDataFetcher();
void FetchManifest(FetcherCallback finish_callback);
void FetchWebPageMetadata(FetcherCallback finish_callback);
void CheckAndFetchBestPrimaryIcon(FetcherCallback finish_callback,
bool prefer_maskable,
bool fetch_favicon);
void CheckAndFetchScreenshots(FetcherCallback finish_callback);
private:
void OnDidGetManifest(FetcherCallback finish_callback,
blink::mojom::ManifestRequestResult result,
const GURL& manifest_url,
blink::mojom::ManifestPtr manifest);
void OnDidGetWebPageMetadata(
mojo::AssociatedRemote<mojom::WebPageMetadataAgent> metadata_agent,
FetcherCallback finish_callback,
mojom::WebPageMetadataPtr web_page_metadata);
void OnScreenshotFetched(GURL screenshot_url, const SkBitmap& bitmap);
content::WebContents* web_contents() { return web_contents_.get(); }
base::WeakPtr<content::WebContents> web_contents_;
const raw_ref<InstallablePageData> page_data_;
std::unique_ptr<InstallableIconFetcher> icon_fetcher_;
// A map of screenshots downloaded. Used temporarily until images are moved to
// the screenshots_ member.
std::map<GURL, SkBitmap> downloaded_screenshots_;
// The number of screenshots currently being downloaded.
int screenshots_downloading_ = 0;
FetcherCallback screenshot_complete_;
base::WeakPtrFactory<InstallableDataFetcher> weak_ptr_factory_{this};
};
} // namespace webapps
#endif // COMPONENTS_WEBAPPS_BROWSER_INSTALLABLE_INSTALLABLE_DATA_FETCHER_H_
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