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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
#include "mozilla/PRemoteCDMChild.h"
#include "mozilla/dom/PromiseNativeHandler.h"
#include "nsISerialEventTarget.h"
namespace mozilla {
/**
* MediaDrm may require us to provision during EME playback, which consists of
* sending a POST request to the given URL with a given sequence of request
* bytes, granted by AMediaDrm_getProvisionRequest. When we receive the
* response, we need to call AMediaDrm_provideProvisionResponse. This class runs
* in the content process to perform this network request on behalf of the
* decrypting process.
*/
class MediaDrmProvisioningHelper final : public dom::PromiseNativeHandler {
public:
NS_DECL_THREADSAFE_ISUPPORTS
explicit MediaDrmProvisioningHelper(
const RemoteCDMProvisionRequestIPDL& aRequest,
PRemoteCDMChild::ProvisionResolver&& aResolver);
void Provision();
MOZ_CAN_RUN_SCRIPT
void ResolvedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue,
ErrorResult& aRv) override;
MOZ_CAN_RUN_SCRIPT
void RejectedCallback(JSContext* aCx, JS::Handle<JS::Value> aValue,
ErrorResult& aRv) override;
private:
~MediaDrmProvisioningHelper() override;
template <class T>
void MaybeResolve(T&& aResult) {
if (!mResolver) {
return;
}
Unused << mEventTarget->Dispatch(NS_NewRunnableFunction(
__func__, [result = std::move(aResult),
resolver = std::move(mResolver)]() { resolver(result); }));
mResolver = nullptr;
}
const nsCOMPtr<nsISerialEventTarget> mEventTarget;
nsString mServerUrl;
nsString mRequestData;
PRemoteCDMChild::ProvisionResolver mResolver;
};
} // namespace mozilla