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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 COMPONENTS_WEBAPPS_BROWSER_ANDROID_WEBAPK_WEBAPK_ICONS_HASHER_H_
#define COMPONENTS_WEBAPPS_BROWSER_ANDROID_WEBAPK_WEBAPK_ICONS_HASHER_H_
#include <map>
#include <memory>
#include <string>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/weak_ptr.h"
#include "base/types/pass_key.h"
#include "components/webapps/browser/android/webapk/webapk_single_icon_hasher.h"
#include "url/gurl.h"
#include "url/origin.h"
namespace network::mojom {
class URLLoaderFactory;
}
namespace content {
class WebContents;
} // namespace content
namespace webapps {
struct ShortcutInfo;
class WebappIcon;
// Downloads WebAPK icons and takes a Murmur2 hashes of the downloaded images.
class WebApkIconsHasher {
public:
using Murmur2HashMultipleCallback =
base::OnceCallback<void(std::map<GURL, std::unique_ptr<WebappIcon>>)>;
using PassKey = base::PassKey<WebApkIconsHasher>;
static PassKey PassKeyForTesting();
WebApkIconsHasher();
~WebApkIconsHasher();
WebApkIconsHasher(const WebApkIconsHasher&) = delete;
WebApkIconsHasher& operator=(const WebApkIconsHasher&) = delete;
// Creates a self-owned WebApkIconHasher instance. The instance downloads all
// the |icon_urls| and calls |callback| with the Murmur2 hash of the
// downloaded images. The hash is taken over the raw image bytes (no image
// encoding/decoding beforehand). |callback| is called with a std::nullopt if
// any image cannot not be downloaded in time (e.g. 404 HTTP error code).
void DownloadAndComputeMurmur2Hash(
network::mojom::URLLoaderFactory* url_loader_factory,
base::WeakPtr<content::WebContents> web_contents,
const url::Origin& request_initiator,
const ShortcutInfo& shortcut_info,
const SkBitmap& primary_icon_bitmap,
Murmur2HashMultipleCallback callback);
private:
void OnAllMurmur2Hashes(Murmur2HashMultipleCallback callback,
const GURL& primary_icon_url,
bool primary_icon_maskable,
const SkBitmap& primary_icon_bitmap);
std::map<GURL, std::unique_ptr<WebappIcon>> webapk_icons_;
std::vector<std::unique_ptr<WebApkSingleIconHasher>> hashers_;
base::WeakPtrFactory<WebApkIconsHasher> weak_ptr_factory_{this};
};
} // namespace webapps
#endif // COMPONENTS_WEBAPPS_BROWSER_ANDROID_WEBAPK_WEBAPK_ICONS_HASHER_H_
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