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// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/extensions/api/image_writer_private/image_writer_utility_client.h"
#include <optional>
#include <utility>
#include "base/files/file_path.h"
#include "base/functional/bind.h"
#include "base/location.h"
#include "base/memory/raw_ptr.h"
#include "base/task/sequenced_task_runner.h"
#include "build/build_config.h"
#include "chrome/grit/generated_resources.h"
#include "chrome/services/removable_storage_writer/public/mojom/removable_storage_writer.mojom.h"
#include "content/public/browser/browser_thread.h"
#include "content/public/browser/service_process_host.h"
#include "mojo/public/cpp/bindings/receiver.h"
#include "ui/base/l10n/l10n_util.h"
namespace extensions {
namespace image_writer {
namespace {
ImageWriterUtilityClient::ImageWriterUtilityClientFactory*
g_factory_for_testing = nullptr;
void DeleteRemote(mojo::Remote<chrome::mojom::RemovableStorageWriter> writer) {
// Just let the parameter go out of scope so it's deleted.
}
} // namespace
class ImageWriterUtilityClient::RemovableStorageWriterClientImpl
: public chrome::mojom::RemovableStorageWriterClient {
public:
RemovableStorageWriterClientImpl(
ImageWriterUtilityClient* owner,
mojo::PendingReceiver<chrome::mojom::RemovableStorageWriterClient>
receiver)
: receiver_(this, std::move(receiver)),
image_writer_utility_client_(owner) {
receiver_.set_disconnect_handler(
base::BindOnce(&ImageWriterUtilityClient::OnConnectionError,
image_writer_utility_client_));
}
RemovableStorageWriterClientImpl(const RemovableStorageWriterClientImpl&) =
delete;
RemovableStorageWriterClientImpl& operator=(
const RemovableStorageWriterClientImpl&) = delete;
~RemovableStorageWriterClientImpl() override = default;
private:
void Progress(int64_t progress) override {
image_writer_utility_client_->OperationProgress(progress);
}
void Complete(const std::optional<std::string>& error) override {
if (error) {
image_writer_utility_client_->OperationFailed(error.value());
} else {
image_writer_utility_client_->OperationSucceeded();
}
}
mojo::Receiver<chrome::mojom::RemovableStorageWriterClient> receiver_;
// |image_writer_utility_client_| owns |this|.
const raw_ptr<ImageWriterUtilityClient> image_writer_utility_client_;
};
ImageWriterUtilityClient::ImageWriterUtilityClient(
const scoped_refptr<base::SequencedTaskRunner>& task_runner)
: task_runner_(task_runner) {}
ImageWriterUtilityClient::~ImageWriterUtilityClient() {
// We could be running on a different TaskRunner (typically, the UI thread).
// Post to be safe.
task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&DeleteRemote, std::move(removable_storage_writer_)));
}
// static
scoped_refptr<ImageWriterUtilityClient> ImageWriterUtilityClient::Create(
const scoped_refptr<base::SequencedTaskRunner>& task_runner) {
if (g_factory_for_testing)
return g_factory_for_testing->Run();
return base::WrapRefCounted(new ImageWriterUtilityClient(task_runner));
}
// static
void ImageWriterUtilityClient::SetFactoryForTesting(
ImageWriterUtilityClientFactory* factory) {
g_factory_for_testing = factory;
}
void ImageWriterUtilityClient::Write(ProgressCallback progress_callback,
SuccessCallback success_callback,
ErrorCallback error_callback,
const base::FilePath& source,
const base::FilePath& target) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(!removable_storage_writer_client_);
progress_callback_ = std::move(progress_callback);
success_callback_ = std::move(success_callback);
error_callback_ = std::move(error_callback);
BindServiceIfNeeded();
mojo::PendingRemote<chrome::mojom::RemovableStorageWriterClient>
remote_client;
removable_storage_writer_client_ =
std::make_unique<RemovableStorageWriterClientImpl>(
this, remote_client.InitWithNewPipeAndPassReceiver());
removable_storage_writer_->Write(source, target, std::move(remote_client));
}
void ImageWriterUtilityClient::Verify(ProgressCallback progress_callback,
SuccessCallback success_callback,
ErrorCallback error_callback,
const base::FilePath& source,
const base::FilePath& target) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(!removable_storage_writer_client_);
progress_callback_ = std::move(progress_callback);
success_callback_ = std::move(success_callback);
error_callback_ = std::move(error_callback);
BindServiceIfNeeded();
mojo::PendingRemote<chrome::mojom::RemovableStorageWriterClient>
remote_client;
removable_storage_writer_client_ =
std::make_unique<RemovableStorageWriterClientImpl>(
this, remote_client.InitWithNewPipeAndPassReceiver());
removable_storage_writer_->Verify(source, target, std::move(remote_client));
}
void ImageWriterUtilityClient::Cancel(CancelCallback cancel_callback) {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
DCHECK(cancel_callback);
ResetRequest();
base::SequencedTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, std::move(cancel_callback));
}
void ImageWriterUtilityClient::Shutdown() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
ResetRequest();
removable_storage_writer_.reset();
}
void ImageWriterUtilityClient::BindServiceIfNeeded() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
if (removable_storage_writer_)
return;
content::ServiceProcessHost::Launch(
removable_storage_writer_.BindNewPipeAndPassReceiver(),
content::ServiceProcessHost::Options()
.WithDisplayName(IDS_UTILITY_PROCESS_IMAGE_WRITER_NAME)
.Pass());
removable_storage_writer_.set_disconnect_handler(
base::BindOnce(&ImageWriterUtilityClient::OnConnectionError, this));
}
void ImageWriterUtilityClient::OnConnectionError() {
DCHECK_CALLED_ON_VALID_SEQUENCE(sequence_checker_);
OperationFailed(
"Error with the connection to the RemovableStorageWriter service.");
removable_storage_writer_.reset();
}
void ImageWriterUtilityClient::OperationProgress(int64_t progress) {
if (progress_callback_)
progress_callback_.Run(progress);
}
void ImageWriterUtilityClient::OperationSucceeded() {
SuccessCallback success_callback = std::move(success_callback_);
ResetRequest();
if (success_callback)
std::move(success_callback).Run();
}
void ImageWriterUtilityClient::OperationFailed(const std::string& error) {
ErrorCallback error_callback = std::move(error_callback_);
ResetRequest();
if (error_callback)
std::move(error_callback).Run(error);
}
void ImageWriterUtilityClient::ResetRequest() {
removable_storage_writer_client_.reset();
// Clear handlers to not hold any reference to the caller.
progress_callback_.Reset();
success_callback_.Reset();
error_callback_.Reset();
}
} // namespace image_writer
} // namespace extensions
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