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// Copyright 2018 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_CREDENTIALMANAGEMENT_SCOPED_PROMISE_RESOLVER_H_
#define THIRD_PARTY_BLINK_RENDERER_MODULES_CREDENTIALMANAGEMENT_SCOPED_PROMISE_RESOLVER_H_
#include "third_party/blink/renderer/bindings/core/v8/script_promise_resolver.h"
#include "third_party/blink/renderer/platform/wtf/allocator/allocator.h"
namespace blink {
// Off-heap wrapper that holds a strong reference to a
// ScriptPromiseResolverBase.
class ScopedPromiseResolver {
USING_FAST_MALLOC(ScopedPromiseResolver);
public:
explicit ScopedPromiseResolver(ScriptPromiseResolverBase* resolver);
ScopedPromiseResolver(const ScopedPromiseResolver&) = delete;
ScopedPromiseResolver& operator=(const ScopedPromiseResolver&) = delete;
~ScopedPromiseResolver();
// Releases the owned |resolver_|. This is to be called by the Mojo response
// callback responsible for resolving the corresponding ScriptPromise
//
// If this method is not called before |this| goes of scope, it is assumed
// that a Mojo connection error has occurred, and the response callback was
// never invoked. The Promise will be rejected with an appropriate exception.
ScriptPromiseResolverBase* Release();
private:
void OnConnectionError();
Persistent<ScriptPromiseResolverBase> resolver_;
};
} // namespace blink
#endif // THIRD_PARTY_BLINK_RENDERER_MODULES_CREDENTIALMANAGEMENT_SCOPED_PROMISE_RESOLVER_H_
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