dom/media/mediasession/MediaSessionIPCUtils.h

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this
   3  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #ifndef DOM_MEDIA_MEDIASESSION_MEDIASESSIONIPCUTILS_H_
   6 #define DOM_MEDIA_MEDIASESSION_MEDIASESSIONIPCUTILS_H_
   7
   8 #include "ipc/EnumSerializer.h"
   9 #include "mozilla/dom/BindingIPCUtils.h"
  10 #include "MediaMetadata.h"
  11 #include "mozilla/dom/MediaSession.h"
  12 #include "mozilla/dom/MediaSessionBinding.h"
  13 #include "mozilla/Maybe.h"
  14
  15 namespace mozilla {
  16 namespace dom {
  17
  18 typedef Maybe<MediaMetadataBase> MaybeMediaMetadataBase;
  19
  20 }  // namespace dom
  21 }  // namespace mozilla
  22
  23 namespace IPC {
  24
  25 template <>
  26 struct ParamTraits<mozilla::dom::MediaImage> {
  27   typedef mozilla::dom::MediaImage paramType;
  28
  29   static void Write(MessageWriter* aWriter, const paramType& aParam) {
  30     WriteParam(aWriter, aParam.mSizes);
  31     WriteParam(aWriter, aParam.mSrc);
  32     WriteParam(aWriter, aParam.mType);
  33   }
  34
  35   static bool Read(MessageReader* aReader, paramType* aResult) {
  36     if (!ReadParam(aReader, &(aResult->mSizes)) ||
  37         !ReadParam(aReader, &(aResult->mSrc)) ||
  38         !ReadParam(aReader, &(aResult->mType))) {
  39       return false;
  40     }
  41     return true;
  42   }
  43 };
  44
  45 template <>
  46 struct ParamTraits<mozilla::dom::MediaMetadataBase> {
  47   typedef mozilla::dom::MediaMetadataBase paramType;
  48
  49   static void Write(MessageWriter* aWriter, const paramType& aParam) {
  50     WriteParam(aWriter, aParam.mTitle);
  51     WriteParam(aWriter, aParam.mArtist);
  52     WriteParam(aWriter, aParam.mAlbum);
  53     WriteParam(aWriter, aParam.mUrl);
  54     WriteParam(aWriter, aParam.mArtwork);
  55   }
  56
  57   static bool Read(MessageReader* aReader, paramType* aResult) {
  58     if (!ReadParam(aReader, &(aResult->mTitle)) ||
  59         !ReadParam(aReader, &(aResult->mArtist)) ||
  60         !ReadParam(aReader, &(aResult->mAlbum)) ||
  61         !ReadParam(aReader, &(aResult->mUrl)) ||
  62         !ReadParam(aReader, &(aResult->mArtwork))) {
  63       return false;
  64     }
  65     return true;
  66   }
  67 };
  68
  69 template <>
  70 struct ParamTraits<mozilla::dom::PositionState> {
  71   typedef mozilla::dom::PositionState paramType;
  72
  73   static void Write(MessageWriter* aWriter, const paramType& aParam) {
  74     WriteParam(aWriter, aParam.mDuration);
  75     WriteParam(aWriter, aParam.mPlaybackRate);
  76     WriteParam(aWriter, aParam.mLastReportedPlaybackPosition);
  77     WriteParam(aWriter, aParam.mPositionUpdatedTime);
  78   }
  79
  80   static bool Read(MessageReader* aReader, paramType* aResult) {
  81     if (!ReadParam(aReader, &(aResult->mDuration)) ||
  82         !ReadParam(aReader, &(aResult->mPlaybackRate)) ||
  83         !ReadParam(aReader, &(aResult->mLastReportedPlaybackPosition)) ||
  84         !ReadParam(aReader, &(aResult->mPositionUpdatedTime))) {
  85       return false;
  86     }
  87     return true;
  88   }
  89 };
  90
  91 template <>
  92 struct ParamTraits<mozilla::dom::MediaSessionPlaybackState>
  93     : public mozilla::dom::WebIDLEnumSerializer<
  94           mozilla::dom::MediaSessionPlaybackState> {};
  95
  96 template <>
  97 struct ParamTraits<mozilla::dom::MediaSessionAction>
  98     : public mozilla::dom::WebIDLEnumSerializer<
  99           mozilla::dom::MediaSessionAction> {};
 100
 101 }  // namespace IPC
 102
 103 #endif  // DOM_MEDIA_MEDIASESSION_MEDIASESSIONIPCUTILS_H_