tor-browser

The Tor Browser
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MediaSessionIPCUtils.h (3200B)

      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 "MediaMetadata.h"
      9 #include "ipc/EnumSerializer.h"
     10 #include "mozilla/Maybe.h"
     11 #include "mozilla/dom/BindingIPCUtils.h"
     12 #include "mozilla/dom/MediaSession.h"
     13 #include "mozilla/dom/MediaSessionBinding.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_