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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 THIRD_PARTY_BLINK_RENDERER_MODULES_FILESYSTEM_ASYNC_CALLBACK_HELPER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_FILESYSTEM_ASYNC_CALLBACK_HELPER_H_
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/core/dom/dom_exception.h"
#include "third_party/blink/renderer/core/execution_context/execution_context.h"
#include "third_party/blink/renderer/core/fileapi/file_error.h"
#include "third_party/blink/renderer/modules/filesystem/directory_entry.h"
#include "third_party/blink/renderer/modules/filesystem/dom_file_system.h"
#include "third_party/blink/renderer/modules/filesystem/entry.h"
#include "third_party/blink/renderer/platform/heap/persistent.h"
#include "third_party/blink/renderer/platform/wtf/functional.h"
namespace blink {
class AsyncCallbackHelper {
STATIC_ONLY(AsyncCallbackHelper);
public:
template <typename CallbackParam, typename V8Callback>
static base::OnceCallback<void(CallbackParam*)> SuccessCallback(
V8Callback* success_callback) {
if (!success_callback)
return base::OnceCallback<void(CallbackParam*)>();
auto success_callback_wrapper = WTF::BindOnce(
[](V8Callback* persistent_callback, CallbackParam* param) {
persistent_callback->InvokeAndReportException(nullptr, param);
},
WrapPersistent(success_callback));
return success_callback_wrapper;
}
static base::OnceCallback<void(base::File::Error)> ErrorCallback(
V8ErrorCallback* error_callback) {
if (!error_callback)
return base::OnceCallback<void(base::File::Error)>();
return WTF::BindOnce(
[](V8ErrorCallback* persistent_callback, base::File::Error error) {
persistent_callback->InvokeAndReportException(
nullptr, file_error::CreateDOMException(error));
},
WrapPersistent(error_callback));
}
// The method below is not templatized, to be used exclusively for
// VoidCallbacks.
static base::OnceCallback<void()> VoidSuccessCallback(
V8VoidCallback* success_callback) {
if (!success_callback)
return VoidCallbacks::SuccessCallback();
auto success_callback_wrapper = WTF::BindOnce(
[](V8VoidCallback* persistent_callback) {
persistent_callback->InvokeAndReportException(nullptr);
},
WrapPersistent(success_callback));
return success_callback_wrapper;
}
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_FILESYSTEM_ASYNC_CALLBACK_HELPER_H_
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