widget/WidgetMessageUtils.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 mozilla_WidgetMessageUtils_h
   6 #define mozilla_WidgetMessageUtils_h
   7
   8 #include "ipc/IPCMessageUtils.h"
   9 #include "mozilla/LookAndFeel.h"
  10 #include "nsIWidget.h"
  11
  12 namespace IPC {
  13
  14 template <>
  15 struct ParamTraits<LookAndFeelInt> {
  16   typedef LookAndFeelInt paramType;
  17
  18   static void Write(Message* aMsg, const paramType& aParam) {
  19     WriteParam(aMsg, aParam.id);
  20     WriteParam(aMsg, aParam.value);
  21   }
  22
  23   static bool Read(const Message* aMsg, PickleIterator* aIter,
  24                    paramType* aResult) {
  25     int32_t id, value;
  26     if (ReadParam(aMsg, aIter, &id) && ReadParam(aMsg, aIter, &value)) {
  27       aResult->id = id;
  28       aResult->value = value;
  29       return true;
  30     }
  31     return false;
  32   }
  33 };
  34
  35 template <>
  36 struct ParamTraits<nsTransparencyMode>
  37     : public ContiguousEnumSerializerInclusive<nsTransparencyMode,
  38                                                eTransparencyOpaque,
  39                                                eTransparencyBorderlessGlass> {};
  40
  41 template <>
  42 struct ParamTraits<nsCursor>
  43     : public ContiguousEnumSerializer<nsCursor, eCursor_standard,
  44                                       eCursorCount> {};
  45
  46 }  // namespace IPC
  47
  48 #endif  // WidgetMessageUtils_h