зеркало из https://github.com/electron/electron.git
103 строки
3.6 KiB
C++
103 строки
3.6 KiB
C++
// Copyright (c) 2019 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "shell/browser/net/url_pipe_loader.h"
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#include <utility>
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#include "mojo/public/cpp/bindings/pending_remote.h"
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#include "mojo/public/cpp/system/string_data_source.h"
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#include "services/network/public/cpp/shared_url_loader_factory.h"
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#include "services/network/public/mojom/url_response_head.mojom.h"
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namespace electron {
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URLPipeLoader::URLPipeLoader(
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scoped_refptr<network::SharedURLLoaderFactory> factory,
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std::unique_ptr<network::ResourceRequest> request,
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mojo::PendingReceiver<network::mojom::URLLoader> loader,
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mojo::PendingRemote<network::mojom::URLLoaderClient> client,
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const net::NetworkTrafficAnnotationTag& annotation,
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base::DictionaryValue upload_data)
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: url_loader_(this, std::move(loader)), client_(std::move(client)) {
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url_loader_.set_disconnect_handler(base::BindOnce(
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&URLPipeLoader::NotifyComplete, base::Unretained(this), net::ERR_FAILED));
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// PostTask since it might destruct.
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base::SequencedTaskRunnerHandle::Get()->PostTask(
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FROM_HERE,
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base::BindOnce(&URLPipeLoader::Start, weak_factory_.GetWeakPtr(), factory,
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std::move(request), annotation, std::move(upload_data)));
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}
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URLPipeLoader::~URLPipeLoader() = default;
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void URLPipeLoader::Start(
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scoped_refptr<network::SharedURLLoaderFactory> factory,
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std::unique_ptr<network::ResourceRequest> request,
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const net::NetworkTrafficAnnotationTag& annotation,
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base::DictionaryValue upload_data) {
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loader_ = network::SimpleURLLoader::Create(std::move(request), annotation);
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loader_->SetOnResponseStartedCallback(base::BindOnce(
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&URLPipeLoader::OnResponseStarted, weak_factory_.GetWeakPtr()));
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// TODO(zcbenz): The old protocol API only supports string as upload data,
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// we should seek to support more types in future.
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std::string content_type, data;
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if (upload_data.GetString("contentType", &content_type) &&
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upload_data.GetString("data", &data))
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loader_->AttachStringForUpload(data, content_type);
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loader_->DownloadAsStream(factory.get(), this);
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}
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void URLPipeLoader::NotifyComplete(int result) {
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client_->OnComplete(network::URLLoaderCompletionStatus(result));
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delete this;
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}
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void URLPipeLoader::OnResponseStarted(
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const GURL& final_url,
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const network::mojom::URLResponseHead& response_head) {
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mojo::ScopedDataPipeProducerHandle producer;
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mojo::ScopedDataPipeConsumerHandle consumer;
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MojoResult rv = mojo::CreateDataPipe(nullptr, producer, consumer);
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if (rv != MOJO_RESULT_OK) {
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NotifyComplete(net::ERR_INSUFFICIENT_RESOURCES);
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return;
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}
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producer_ = std::make_unique<mojo::DataPipeProducer>(std::move(producer));
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client_->OnReceiveResponse(response_head.Clone());
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client_->OnStartLoadingResponseBody(std::move(consumer));
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}
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void URLPipeLoader::OnWrite(base::OnceClosure resume, MojoResult result) {
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if (result == MOJO_RESULT_OK)
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std::move(resume).Run();
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else
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NotifyComplete(net::ERR_FAILED);
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}
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void URLPipeLoader::OnDataReceived(base::StringPiece string_piece,
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base::OnceClosure resume) {
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producer_->Write(
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std::make_unique<mojo::StringDataSource>(
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string_piece, mojo::StringDataSource::AsyncWritingMode::
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STRING_MAY_BE_INVALIDATED_BEFORE_COMPLETION),
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base::BindOnce(&URLPipeLoader::OnWrite, weak_factory_.GetWeakPtr(),
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std::move(resume)));
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}
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void URLPipeLoader::OnRetry(base::OnceClosure start_retry) {
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NOTREACHED();
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}
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void URLPipeLoader::OnComplete(bool success) {
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NotifyComplete(loader_->NetError());
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}
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} // namespace electron
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