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// Copyright 2020 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/webshare/store_files_task.h"
#include "base/functional/bind.h"
#include "base/task/thread_pool.h"
#include "content/public/browser/browser_task_traits.h"
#include "content/public/browser/browser_thread.h"
using content::BrowserThread;
namespace webshare {
StoreFilesTask::StoreFilesTask(
std::vector<base::FilePath> filenames,
std::vector<blink::mojom::SharedFilePtr> files,
uint64_t available_space,
blink::mojom::ShareService::ShareCallback callback)
: filenames_(std::move(filenames)),
files_(std::move(files)),
available_space_(available_space),
callback_(std::move(callback)),
index_(files_.size()) {
DCHECK_EQ(filenames_.size(), files_.size());
DCHECK(!files_.empty());
}
StoreFilesTask::~StoreFilesTask() = default;
void StoreFilesTask::Start() {
DCHECK_CURRENTLY_ON(BrowserThread::UI);
// The tasks posted to this sequenced task runner do synchronous File I/O.
file_task_runner_ = base::ThreadPool::CreateSequencedTaskRunner(
{base::MayBlock(), base::TaskPriority::USER_VISIBLE});
// The StoreFilesTask is self-owned. It is deleted in OnStoreFile.
file_task_runner_->PostTask(
FROM_HERE,
base::BindOnce(&StoreFilesTask::OnStoreFile, base::Unretained(this),
blink::mojom::ShareError::OK));
}
void StoreFilesTask::OnStoreFile(blink::mojom::ShareError result) {
DCHECK(file_task_runner_->RunsTasksInCurrentSequence());
store_file_task_.reset();
if (result != blink::mojom::ShareError::OK) {
index_ = 0U;
}
if (index_ == 0U) {
content::GetUIThreadTaskRunner({})->PostTask(
FROM_HERE, base::BindOnce(std::move(callback_), result));
delete this;
return;
}
--index_;
// The StoreFilesTask is self-owned. It is deleted in OnStoreFile.
store_file_task_ = std::make_unique<StoreFileTask>(
std::move(filenames_[index_]), std::move(files_[index_]),
available_space_,
base::BindOnce(&StoreFilesTask::OnStoreFile, base::Unretained(this)));
store_file_task_->Start();
}
} // namespace webshare
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