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73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set sw=2 ts=8 et ft=cpp : */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this file,
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* You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_MediaChild_h
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#define mozilla_MediaChild_h
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#include "mozilla/dom/ContentChild.h"
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#include "mozilla/media/PMediaChild.h"
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#include "mozilla/media/PMediaParent.h"
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#include "nsIIPCBackgroundChildCreateCallback.h"
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#include "MediaUtils.h"
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namespace mozilla {
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namespace media {
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// media::Child implements proxying to the chrome process for some media-related
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// functions, for the moment just:
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//
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// GetOriginKey() - get a cookie-like persisted unique key for a given origin.
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// SanitizeOriginKeys() - reset persisted unique keys.
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// GetOriginKey and SanitizeOriginKeys are asynchronous APIs that return pledges
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// (promise-like objects) with the future value. Use pledge.Then(func) to access.
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class Child;
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template<typename ValueType>
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class ChildPledge : public Pledge<ValueType>,
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public nsIIPCBackgroundChildCreateCallback
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{
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friend Child;
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NS_DECL_NSIIPCBACKGROUNDCHILDCREATECALLBACK
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NS_DECL_ISUPPORTS
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public:
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explicit ChildPledge() {};
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protected:
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virtual ~ChildPledge() {}
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virtual void Run(PMediaChild* aMedia) = 0;
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};
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already_AddRefed<ChildPledge<nsCString>>
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GetOriginKey(const nsCString& aOrigin, bool aPrivateBrowsing);
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already_AddRefed<ChildPledge<bool>>
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SanitizeOriginKeys(const uint64_t& aSinceWhen);
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class Child : public PMediaChild
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{
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NS_INLINE_DECL_REFCOUNTING(Child)
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public:
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Child();
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bool RecvGetOriginKeyResponse(const uint32_t& aRequestId, const nsCString& aKey);
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uint32_t AddRequestPledge(ChildPledge<nsCString>& aPledge);
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already_AddRefed<ChildPledge<nsCString>> RemoveRequestPledge(uint32_t aRequestId);
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private:
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virtual ~Child();
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CoatCheck<ChildPledge<nsCString>> mRequestPledges;
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};
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PMediaChild* AllocPMediaChild();
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bool DeallocPMediaChild(PMediaChild *aActor);
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} // namespace media
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} // namespace mozilla
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#endif // mozilla_MediaChild_h
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