mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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117 lines
3.6 KiB
C++
117 lines
3.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef GMPParent_h_
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#define GMPParent_h_
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#include "GMPProcessParent.h"
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#include "GMPVideoDecoderParent.h"
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#include "GMPVideoEncoderParent.h"
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#include "mozilla/gmp/PGMPParent.h"
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#include "nsCOMPtr.h"
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#include "nscore.h"
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#include "nsISupports.h"
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#include "nsString.h"
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#include "nsTArray.h"
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#include "nsIFile.h"
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class nsILineInputStream;
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class nsIThread;
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namespace mozilla {
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namespace gmp {
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class GMPCapability
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{
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public:
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nsCString mAPIName;
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nsTArray<nsCString> mAPITags;
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};
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enum GMPState {
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GMPStateNotLoaded,
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GMPStateLoaded
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};
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class GMPParent MOZ_FINAL : public PGMPParent
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{
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public:
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NS_INLINE_DECL_REFCOUNTING(GMPParent)
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GMPParent();
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nsresult Init(nsIFile* aPluginDir);
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nsresult LoadProcess();
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void MaybeUnloadProcess();
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void UnloadProcess();
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bool SupportsAPI(const nsCString& aAPI, const nsCString& aTag);
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nsresult GetGMPVideoDecoder(GMPVideoDecoderParent** aGMPVD);
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void VideoDecoderDestroyed(GMPVideoDecoderParent* aDecoder);
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nsresult GetGMPVideoEncoder(GMPVideoEncoderParent** aGMPVE);
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void VideoEncoderDestroyed(GMPVideoEncoderParent* aEncoder);
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GMPState State() const;
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#ifdef DEBUG
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nsIThread* GMPThread();
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#endif
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// A GMP can either be a single instance shared across all origins (like
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// in the OpenH264 case), or we can require a new plugin instance for every
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// origin running the plugin (as in the EME plugin case).
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//
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// Plugins are associated with an origin by calling SetOrigin() before
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// loading.
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//
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// If a plugin has no origin specified and it is loaded, it is assumed to
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// be shared across origins.
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// Specifies that a GMP can only work with the specified origin.
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void SetOrigin(const nsAString& aOrigin);
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// Returns true if a plugin can be or is being used across multiple origins.
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bool CanBeSharedCrossOrigin() const;
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// A GMP can be used from an origin if it's already been set to work with
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// that origin, or if it's not been set to work with any origin and has
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// not yet been loaded (i.e. it's not shared across origins).
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bool CanBeUsedFrom(const nsAString& aOrigin) const;
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already_AddRefed<nsIFile> GetDirectory() {
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return nsCOMPtr<nsIFile>(mDirectory).forget();
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}
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private:
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~GMPParent();
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bool EnsureProcessLoaded();
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nsresult ReadGMPMetaData();
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virtual void ActorDestroy(ActorDestroyReason aWhy) MOZ_OVERRIDE;
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virtual PGMPVideoDecoderParent* AllocPGMPVideoDecoderParent() MOZ_OVERRIDE;
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virtual bool DeallocPGMPVideoDecoderParent(PGMPVideoDecoderParent* aActor) MOZ_OVERRIDE;
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virtual PGMPVideoEncoderParent* AllocPGMPVideoEncoderParent() MOZ_OVERRIDE;
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virtual bool DeallocPGMPVideoEncoderParent(PGMPVideoEncoderParent* aActor) MOZ_OVERRIDE;
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GMPState mState;
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nsCOMPtr<nsIFile> mDirectory; // plugin directory on disk
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nsString mName; // base name of plugin on disk, UTF-16 because used for paths
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nsCString mDisplayName; // name of plugin displayed to users
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nsCString mDescription; // description of plugin for display to users
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nsCString mVersion;
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nsTArray<nsAutoPtr<GMPCapability>> mCapabilities;
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GMPProcessParent* mProcess;
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nsTArray<nsRefPtr<GMPVideoDecoderParent>> mVideoDecoders;
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nsTArray<nsRefPtr<GMPVideoEncoderParent>> mVideoEncoders;
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#ifdef DEBUG
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nsCOMPtr<nsIThread> mGMPThread;
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#endif
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// Origin the plugin is assigned to, or empty if the the plugin is not
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// assigned to an origin.
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nsAutoString mOrigin;
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};
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} // namespace gmp
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} // namespace mozilla
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#endif // GMPParent_h_
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