firefox-main/dom/media/mediasession/MediaSessionIPCUtils.h (file symbol)

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/* 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
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#ifndef DOM_MEDIA_MEDIASESSION_MEDIASESSIONIPCUTILS_H_
#define DOM_MEDIA_MEDIASESSION_MEDIASESSIONIPCUTILS_H_
#include "MediaMetadata.h"
#include "ipc/EnumSerializer.h"
#include "ipc/IPCMessageUtils.h"
#include "mozilla/Maybe.h"
#include "mozilla/dom/BindingIPCUtils.h"
#include "mozilla/dom/DOMTypes.h"
#include "mozilla/dom/MediaSession.h"
#include "mozilla/dom/MediaSessionBinding.h"
#include "nsContentUtils.h"
namespace mozilla {
namespace dom {
typedef Maybe<MediaMetadataBase> MaybeMediaMetadataBase;
} // namespace dom
} // namespace mozilla
namespace IPC {
template <>
struct ParamTraits<mozilla::dom::MediaImageData> {
typedef mozilla::dom::MediaImageData paramType;
static void Write(MessageWriter* aWriter, const paramType& aParam) {
WriteParam(aWriter, aParam.mSizes);
WriteParam(aWriter, aParam.mSrc);
WriteParam(aWriter, aParam.mType);
mozilla::Maybe<mozilla::dom::IPCImage> image;
if (aParam.mDataSurface) {
image = nsContentUtils::SurfaceToIPCImage(*aParam.mDataSurface);
}
WriteParam(aWriter, std::move(image));
}
static bool Read(MessageReader* aReader, paramType* aResult) {
if (!ReadParam(aReader, &(aResult->mSizes)) ||
!ReadParam(aReader, &(aResult->mSrc)) ||
!ReadParam(aReader, &(aResult->mType))) {
return false;
}
mozilla::Maybe<mozilla::dom::IPCImage> image;
if (!ReadParam(aReader, &image)) {
return false;
}
if (image) {
aResult->mDataSurface = nsContentUtils::IPCImageToSurface(*image);
}
return true;
}
};
DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::dom::MediaMetadataBase, mTitle,
mArtist, mAlbum, mUrl, mArtwork);
DEFINE_IPC_SERIALIZER_WITH_FIELDS(mozilla::dom::PositionState, mDuration,
mPlaybackRate, mLastReportedPlaybackPosition,
mPositionUpdatedTime);
template <>
struct ParamTraits<mozilla::dom::MediaSessionPlaybackState>
: public mozilla::dom::WebIDLEnumSerializer<
mozilla::dom::MediaSessionPlaybackState> {};
template <>
struct ParamTraits<mozilla::dom::MediaSessionAction>
: public mozilla::dom::WebIDLEnumSerializer<
mozilla::dom::MediaSessionAction> {};
} // namespace IPC
#endif // DOM_MEDIA_MEDIASESSION_MEDIASESSIONIPCUTILS_H_