dom/ipc/TabMessageUtils.h

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #ifndef TABMESSAGE_UTILS_H
   8 #define TABMESSAGE_UTILS_H
   9
  10 #include "ipc/EnumSerializer.h"
  11 #include "mozilla/RefPtr.h"
  12 #include "mozilla/dom/Event.h"
  13 #include "nsIRemoteTab.h"
  14 #include "nsPIDOMWindow.h"
  15 #include "nsCOMPtr.h"
  16 #include "mozilla/dom/EffectsInfo.h"
  17 #include "mozilla/layers/LayersMessageUtils.h"
  18 #include "TabMessageTypes.h"
  19 #include "X11UndefineNone.h"
  20
  21 namespace IPC {
  22
  23 template <>
  24 struct ParamTraits<nsSizeMode>
  25     : public ContiguousEnumSerializer<nsSizeMode, nsSizeMode_Normal,
  26                                       nsSizeMode_Invalid> {};
  27
  28 template <>
  29 struct ParamTraits<nsIRemoteTab::NavigationType>
  30     : public ContiguousEnumSerializerInclusive<
  31           nsIRemoteTab::NavigationType,
  32           nsIRemoteTab::NavigationType::NAVIGATE_BACK,
  33           nsIRemoteTab::NavigationType::NAVIGATE_URL> {};
  34
  35 template <>
  36 struct ParamTraits<mozilla::dom::EffectsInfo> {
  37   typedef mozilla::dom::EffectsInfo paramType;
  38
  39   static void Write(MessageWriter* aWriter, const paramType& aParam) {
  40     WriteParam(aWriter, aParam.mVisibleRect);
  41     WriteParam(aWriter, aParam.mRasterScale);
  42     WriteParam(aWriter, aParam.mTransformToAncestorScale);
  43   }
  44
  45   static bool Read(MessageReader* aReader, paramType* aResult) {
  46     return ReadParam(aReader, &aResult->mVisibleRect) &&
  47            ReadParam(aReader, &aResult->mRasterScale) &&
  48            ReadParam(aReader, &aResult->mTransformToAncestorScale);
  49   }
  50 };
  51
  52 template <>
  53 struct ParamTraits<mozilla::WhenToScroll>
  54     : public ContiguousEnumSerializerInclusive<
  55           mozilla::WhenToScroll, mozilla::WhenToScroll::Always,
  56           mozilla::WhenToScroll::IfNotFullyVisible> {};
  57
  58 template <>
  59 struct ParamTraits<mozilla::ScrollFlags>
  60     : public BitFlagsEnumSerializer<mozilla::ScrollFlags,
  61                                     mozilla::ScrollFlags::ALL_BITS> {};
  62
  63 template <>
  64 struct ParamTraits<mozilla::WhereToScroll> {
  65   using paramType = mozilla::WhereToScroll;
  66
  67   static void Write(MessageWriter* aWriter, const paramType& aParam) {
  68     WriteParam(aWriter, aParam.mPercentage);
  69   }
  70
  71   static bool Read(MessageReader* aReader, paramType* aResult) {
  72     return ReadParam(aReader, &aResult->mPercentage);
  73   }
  74 };
  75
  76 template <>
  77 struct ParamTraits<mozilla::ScrollAxis> {
  78   typedef mozilla::ScrollAxis paramType;
  79
  80   static void Write(MessageWriter* aWriter, const paramType& aParam) {
  81     WriteParam(aWriter, aParam.mWhereToScroll);
  82     WriteParam(aWriter, aParam.mWhenToScroll);
  83     WriteParam(aWriter, aParam.mOnlyIfPerceivedScrollableDirection);
  84   }
  85
  86   static bool Read(MessageReader* aReader, paramType* aResult) {
  87     if (!ReadParam(aReader, &aResult->mWhereToScroll)) {
  88       return false;
  89     }
  90     if (!ReadParam(aReader, &aResult->mWhenToScroll)) {
  91       return false;
  92     }
  93
  94     // We can't set mOnlyIfPerceivedScrollableDirection directly since it's
  95     // a bitfield.
  96     bool value;
  97     if (!ReadParam(aReader, &value)) {
  98       return false;
  99     }
 100     aResult->mOnlyIfPerceivedScrollableDirection = value;
 101
 102     return true;
 103   }
 104 };
 105
 106 template <>
 107 struct ParamTraits<mozilla::dom::EmbedderElementEventType>
 108     : public ContiguousEnumSerializer<
 109           mozilla::dom::EmbedderElementEventType,
 110           mozilla::dom::EmbedderElementEventType::NoEvent,
 111           mozilla::dom::EmbedderElementEventType::EndGuard_> {};
 112
 113 }  // namespace IPC
 114
 115 #endif  // TABMESSAGE_UTILS_H