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// Copyright 2014 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ContentDecryptionModuleResultPromise_h
#define ContentDecryptionModuleResultPromise_h
#include "bindings/core/v8/ScriptPromiseResolver.h"
#include "core/dom/ExceptionCode.h"
#include "platform/ContentDecryptionModuleResult.h"
namespace blink {
ExceptionCode WebCdmExceptionToExceptionCode(WebContentDecryptionModuleException);
// This class wraps the promise resolver to simplify creation of
// ContentDecryptionModuleResult objects. The default implementations of the
// complete(), completeWithSession(), etc. methods will reject the promise
// with an error. It needs to be subclassed and the appropriate complete()
// method overridden to resolve the promise as needed.
class ContentDecryptionModuleResultPromise : public ContentDecryptionModuleResult {
public:
virtual ~ContentDecryptionModuleResultPromise();
// ContentDecryptionModuleResult implementation.
virtual void complete() override;
virtual void completeWithContentDecryptionModule(WebContentDecryptionModule*) override;
virtual void completeWithSession(WebContentDecryptionModuleResult::SessionStatus) override;
virtual void completeWithError(WebContentDecryptionModuleException, unsigned long systemCode, const WebString&) final;
// It is only valid to call this before completion.
ScriptPromise promise();
virtual void trace(Visitor*);
protected:
explicit ContentDecryptionModuleResultPromise(ScriptState*);
// Resolves the promise with |value|. Used by subclasses to resolve the
// promise.
template <typename... T>
void resolve(T... value)
{
m_resolver->resolve(value...);
m_resolver.clear();
}
// Rejects the promise with a DOMException.
void reject(ExceptionCode, const String& errorMessage);
ExecutionContext* executionContext() const;
private:
RefPtrWillBeMember<ScriptPromiseResolver> m_resolver;
};
} // namespace blink
#endif // ContentDecryptionModuleResultPromise_h
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