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// Copyright 2022 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CONTENT_BROWSER_SERVICE_WORKER_URL_LOADER_CLIENT_CHECKER_H_
#define CONTENT_BROWSER_SERVICE_WORKER_URL_LOADER_CLIENT_CHECKER_H_
#include "mojo/public/cpp/bindings/remote.h"
#include "services/network/public/mojom/early_hints.mojom-forward.h"
#include "services/network/public/mojom/url_loader.mojom.h"
#include "services/network/public/mojom/url_response_head.mojom.h"
namespace content {
// When used as replacement of a
// `mojo::Remote<network::mojom::URLLoaderClient>`, this checks the calling
// order of `network::mojom::URLLoaderClient` methods.
//
// Currently this only implements the assertions and interfaces needed for the
// investigation of https://crbug.com/1346074, and this can be only used to call
// `network::mojom::URLLoaderClient` methods.
class URLLoaderClientCheckedRemote final {
public:
// `URLLoaderClient` methods shouldn't have been called previously via
// `client`.
explicit URLLoaderClientCheckedRemote(
mojo::PendingRemote<network::mojom::URLLoaderClient> client);
class Proxy final {
public:
explicit Proxy(mojo::PendingRemote<network::mojom::URLLoaderClient> client);
~Proxy();
void OnReceiveEarlyHints(network::mojom::EarlyHintsPtr early_hints);
void OnReceiveResponse(
network::mojom::URLResponseHeadPtr head,
mojo::ScopedDataPipeConsumerHandle body,
std::optional<mojo_base::BigBuffer> cached_metadata) {
on_receive_response_called_ = true;
client_->OnReceiveResponse(std::move(head), std::move(body),
std::move(cached_metadata));
}
void OnReceiveRedirect(const net::RedirectInfo& redirect_info,
network::mojom::URLResponseHeadPtr head) {
client_->OnReceiveRedirect(redirect_info, std::move(head));
}
void OnUploadProgress(
int64_t current_position,
int64_t total_size,
network::mojom::URLLoaderClient::OnUploadProgressCallback callback) {
client_->OnUploadProgress(current_position, total_size,
std::move(callback));
}
void OnTransferSizeUpdated(int32_t transfer_size_diff);
void OnComplete(const network::URLLoaderCompletionStatus& status);
explicit operator bool() const { return static_cast<bool>(client_); }
private:
mojo::Remote<network::mojom::URLLoaderClient> client_;
bool on_receive_response_called_ = false;
};
Proxy* operator->() { return &proxy_; }
explicit operator bool() const { return static_cast<bool>(proxy_); }
private:
Proxy proxy_;
};
} // namespace content
#endif // CONTENT_BROWSER_SERVICE_WORKER_URL_LOADER_CLIENT_CHECKER_H_
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