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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_PAYMENTS_CONTENT_PAYMENT_MANIFEST_PARSER_HOST_H_
#define COMPONENTS_PAYMENTS_CONTENT_PAYMENT_MANIFEST_PARSER_HOST_H_
#include <stdint.h>
#include <memory>
#include <unordered_map>
#include <vector>
#include "base/callback_forward.h"
#include "base/macros.h"
#include "components/payments/content/payment_manifest_parser.mojom.h"
#include "url/gurl.h"
namespace content {
template <class MojoInterface>
class UtilityProcessMojoClient;
}
namespace payments {
// Host of the utility process that parses manifest contents.
class PaymentManifestParserHost {
public:
// Called on successful parsing of a payment method manifest. The result is a
// move-only vector, which is empty on parse failure.
using PaymentMethodCallback = base::OnceCallback<void(std::vector<GURL>)>;
// Called on successful parsing of a web app manifest. The result is a
// move-only vector, which is empty on parse failure.
using WebAppCallback =
base::OnceCallback<void(std::vector<mojom::WebAppManifestSectionPtr>)>;
PaymentManifestParserHost();
// Stops the utility process.
~PaymentManifestParserHost();
// Starts the utility process. This can take up to 2 seconds and should be
// done as soon as it is known that the parser will be needed.
void StartUtilityProcess();
void ParsePaymentMethodManifest(const std::string& content,
PaymentMethodCallback callback);
void ParseWebAppManifest(const std::string& content, WebAppCallback callback);
private:
void OnPaymentMethodParse(int64_t callback_identifier,
const std::vector<GURL>& web_app_manifest_urls);
void OnWebAppParse(int64_t callback_identifier,
std::vector<mojom::WebAppManifestSectionPtr> manifest);
void OnUtilityProcessStopped();
std::unique_ptr<
content::UtilityProcessMojoClient<mojom::PaymentManifestParser>>
mojo_client_;
int64_t callback_counter_;
std::unordered_map<int64_t, PaymentMethodCallback>
pending_payment_method_callbacks_;
std::unordered_map<int64_t, WebAppCallback> pending_web_app_callbacks_;
DISALLOW_COPY_AND_ASSIGN(PaymentManifestParserHost);
};
} // namespace payments
#endif // COMPONENTS_PAYMENTS_CONTENT_PAYMENT_MANIFEST_PARSER_HOST_H_
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