1 files changed, 189 insertions, 0 deletions
diff --git a/accessible/ipc/IPCTypes.h b/accessible/ipc/IPCTypes.h
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+++ b/accessible/ipc/IPCTypes.h
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+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* 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 mozilla_a11y_IPCTypes_h
+#define mozilla_a11y_IPCTypes_h
+
+#ifdef ACCESSIBILITY
+#  include "mozilla/a11y/AccAttributes.h"
+#  include "mozilla/a11y/AccTypes.h"
+#  include "mozilla/a11y/CacheConstants.h"
+#  include "mozilla/a11y/Role.h"
+#  include "mozilla/a11y/AccGroupInfo.h"
+#  include "mozilla/GfxMessageUtils.h"
+#  include "ipc/EnumSerializer.h"
+#  include "ipc/IPCMessageUtilsSpecializations.h"
+
+namespace IPC {
+
+template <>
+struct ParamTraits<mozilla::a11y::role>
+    : public ContiguousEnumSerializerInclusive<mozilla::a11y::role,
+                                               mozilla::a11y::role::NOTHING,
+                                               mozilla::a11y::role::LAST_ROLE> {
+};
+
+template <>
+struct ParamTraits<mozilla::a11y::AccType>
+    : public ContiguousEnumSerializerInclusive<
+          mozilla::a11y::AccType, mozilla::a11y::AccType::eNoType,
+          mozilla::a11y::AccType::eLastAccType> {};
+
+template <>
+struct ParamTraits<mozilla::a11y::AccGenericType>
+    : public BitFlagsEnumSerializer<
+          mozilla::a11y::AccGenericType,
+          mozilla::a11y::AccGenericType::eAllGenericTypes> {};
+
+template <>
+struct ParamTraits<mozilla::a11y::CacheUpdateType>
+    : public ContiguousEnumSerializerInclusive<
+          mozilla::a11y::CacheUpdateType,
+          mozilla::a11y::CacheUpdateType::Initial,
+          mozilla::a11y::CacheUpdateType::Update> {};
+
+template <>
+struct ParamTraits<mozilla::a11y::FontSize> {
+  typedef mozilla::a11y::FontSize paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.mValue);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    return ReadParam(aReader, &(aResult->mValue));
+  }
+};
+
+template <>
+struct ParamTraits<mozilla::a11y::DeleteEntry> {
+  typedef mozilla::a11y::DeleteEntry paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.mValue);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    return ReadParam(aReader, &(aResult->mValue));
+  }
+};
+
+template <>
+struct ParamTraits<mozilla::a11y::AccGroupInfo> {
+  typedef mozilla::a11y::AccGroupInfo paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    MOZ_ASSERT_UNREACHABLE("Cannot serialize AccGroupInfo");
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    MOZ_ASSERT_UNREACHABLE("Cannot de-serialize AccGroupInfo");
+    return false;
+  }
+};
+
+template <>
+struct ParamTraits<mozilla::a11y::Color> {
+  typedef mozilla::a11y::Color paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType& aParam) {
+    WriteParam(aWriter, aParam.mValue);
+  }
+
+  static bool Read(MessageReader* aReader, paramType* aResult) {
+    return ReadParam(aReader, &(aResult->mValue));
+  }
+};
+
+template <>
+struct ParamTraits<mozilla::a11y::AccAttributes*> {
+  typedef mozilla::a11y::AccAttributes paramType;
+
+  static void Write(MessageWriter* aWriter, const paramType* aParam) {
+    if (!aParam) {
+      WriteParam(aWriter, true);
+      return;
+    }
+
+    WriteParam(aWriter, false);
+    uint32_t count = aParam->mData.Count();
+    WriteParam(aWriter, count);
+    for (auto iter = aParam->mData.ConstIter(); !iter.Done(); iter.Next()) {
+      RefPtr<nsAtom> key = iter.Key();
+      WriteParam(aWriter, key);
+      const paramType::AttrValueType& data = iter.Data();
+      WriteParam(aWriter, data);
+    }
+  }
+
+  static bool Read(MessageReader* aReader, RefPtr<paramType>* aResult) {
+    bool isNull = false;
+    if (!ReadParam(aReader, &isNull)) {
+      return false;
+    }
+
+    if (isNull) {
+      *aResult = nullptr;
+      return true;
+    }
+
+    *aResult = mozilla::MakeRefPtr<mozilla::a11y::AccAttributes>();
+    uint32_t count;
+    if (!ReadParam(aReader, &count)) {
+      return false;
+    }
+    for (uint32_t i = 0; i < count; ++i) {
+      RefPtr<nsAtom> key;
+      if (!ReadParam(aReader, &key)) {
+        return false;
+      }
+      paramType::AttrValueType val(0);
+      if (!ReadParam(aReader, &val)) {
+        return false;
+      }
+      (*aResult)->mData.InsertOrUpdate(key, std::move(val));
+    }
+    return true;
+  }
+};
+
+}  // namespace IPC
+#else
+namespace mozilla {
+namespace a11y {
+typedef uint32_t role;
+}  // namespace a11y
+}  // namespace mozilla
+#endif  // ACCESSIBILITY
+
+/**
+ * Since IPDL does not support preprocessing, this header file allows us to
+ * define types used by PDocAccessible differently depending on platform.
+ */
+
+#if defined(MOZ_WIDGET_COCOA)
+#  if defined(ACCESSIBILITY)
+#    include "mozilla/a11y/PlatformExtTypes.h"
+namespace IPC {
+
+template <>
+struct ParamTraits<mozilla::a11y::EWhichRange>
+    : public ContiguousEnumSerializerInclusive<
+          mozilla::a11y::EWhichRange, mozilla::a11y::EWhichRange::eLeftWord,
+          mozilla::a11y::EWhichRange::eStyle> {};
+
+}  // namespace IPC
+
+#  else
+namespace mozilla {
+namespace a11y {
+typedef uint32_t EWhichRange;
+}  // namespace a11y
+}  // namespace mozilla
+#  endif  // defined(ACCESSIBILITY)
+#endif    // defined(MOZ_WIDGET_COCOA)
+
+#endif  // mozilla_a11y_IPCTypes_h