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// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_DOWNLOAD_DEFERRED_CLIENT_WRAPPER_H_
#define CHROME_BROWSER_DOWNLOAD_DEFERRED_CLIENT_WRAPPER_H_
#include <string>
#include <vector>
#include "base/functional/callback.h"
#include "base/memory/raw_ptr.h"
#include "base/memory/weak_ptr.h"
#include "build/build_config.h"
#include "components/download/public/background_service/client.h"
#include "components/download/public/background_service/clients.h"
#include "net/http/http_response_headers.h"
#include "url/gurl.h"
class SimpleFactoryKey;
class Profile;
namespace download {
using ClientFactory = base::OnceCallback<std::unique_ptr<Client>(Profile*)>;
class DeferredClientWrapper : public Client {
public:
DeferredClientWrapper(ClientFactory factory, SimpleFactoryKey* key);
~DeferredClientWrapper() override;
// Client implementation.
void OnServiceInitialized(
bool state_lost,
const std::vector<DownloadMetaData>& downloads) override;
void OnServiceUnavailable() override;
void OnDownloadStarted(
const std::string& guid,
const std::vector<GURL>& url_chain,
const scoped_refptr<const net::HttpResponseHeaders>& headers) override;
void OnDownloadUpdated(const std::string& guid,
uint64_t bytes_uploaded,
uint64_t bytes_downloaded) override;
void OnDownloadFailed(const std::string& guid,
const download::CompletionInfo& info,
FailureReason reason) override;
void OnDownloadSucceeded(const std::string& guid,
const CompletionInfo& completion_info) override;
bool CanServiceRemoveDownloadedFile(const std::string& guid,
bool force_delete) override;
void GetUploadData(const std::string& guid,
GetUploadDataCallback callback) override;
private:
// Forwarding functions
void ForwardOnServiceInitialized(
bool state_lost,
const std::vector<DownloadMetaData>& downloads);
void ForwardOnServiceUnavailable();
void ForwardOnDownloadStarted(
const std::string& guid,
const std::vector<GURL>& url_chain,
const scoped_refptr<const net::HttpResponseHeaders>& headers);
void ForwardOnDownloadUpdated(const std::string& guid,
uint64_t bytes_uploaded,
uint64_t bytes_downloaded);
void ForwardOnDownloadFailed(const std::string& guid,
const download::CompletionInfo& info,
FailureReason reason);
void ForwardOnDownloadSucceeded(const std::string& guid,
const CompletionInfo& completion_info);
void ForwardCanServiceRemoveDownloadedFile(const std::string& guid,
bool force_delete);
void ForwardGetUploadData(const std::string& guid,
GetUploadDataCallback callback);
void RunDeferredClosures(bool force_inflate);
void DoRunDeferredClosures();
void InflateClient(Profile* profile);
std::unique_ptr<download::Client> wrapped_client_;
std::vector<base::OnceClosure> deferred_closures_;
ClientFactory client_factory_;
raw_ptr<SimpleFactoryKey> key_;
#if BUILDFLAG(IS_ANDROID)
// This is needed to record UMA for when DownloadClientWrapper requests a full
// browser start while the browser is running in reduced mode. Reduced mode is
// only on Android so it is ifdefed out on other platforms to prevent the
// compiler from complaining that it is unused.
bool full_browser_requested_;
void LaunchFullBrowser();
#endif
base::WeakPtrFactory<DeferredClientWrapper> weak_ptr_factory_{this};
};
} // namespace download
#endif // CHROME_BROWSER_DOWNLOAD_DEFERRED_CLIENT_WRAPPER_H_
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