IPC interface for font management.

content/common/fontmgr_messages.h

Index: content/common/fontmgr_messages.h
===================================================================
--- content/common/fontmgr_messages.h	(revision 0)
+++ content/common/fontmgr_messages.h	(working copy)
@@ -0,0 +1,115 @@
+// Copyright (c) 2014 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// IPC messages for font discovery.
+// Multiply-included message file, hence no include guard.
+
+#include "content/common/content_export.h"
+#include "content/common/content_param_traits.h"
+#include "content/public/common/common_param_traits.h"
+#include "ipc/ipc_message_macros.h"
+#include "skia/ext/refptr.h"
+#include "third_party/skia/include/core/SkDataTable.h"
+#include "third_party/skia/include/core/SkStream.h"
+#include "third_party/skia/include/core/SkString.h"
+#include "third_party/skia/include/ports/SkFontMgr_indirect.h"
+#include "third_party/skia/include/ports/SkFontStyle.h"
+
+#undef IPC_MESSAGE_EXPORT
+#define IPC_MESSAGE_EXPORT CONTENT_EXPORT
+
+#ifdef IPC_MESSAGE_START
+#error IPC_MESSAGE_START
+#endif
+
+#define IPC_MESSAGE_START FontMsgStart
+
+#ifndef CONTENT_COMMON_FONTMGR_MESSAGES_H_
+#define CONTENT_COMMON_FONTMGR_MESSAGES_H_
+
+namespace IPC {
+template<>
+struct ParamTraits<SkString> {
+  typedef SkString param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
+// SkStream is not default constructable, no ParamTraits<T>.
+template<>
+struct ParamTraits<skia::RefPtr<SkStream> > {
+  typedef skia::RefPtr<SkStream> param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
+// SkDataTable is not default constructable, no ParamTraits<T>.
+template<>
+struct ParamTraits<skia::RefPtr<SkDataTable> > {
+  typedef skia::RefPtr<SkDataTable> param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
+// SkRemotableFontIdentitySet not default constructable, no ParamTraits<T>.
+template<>
+struct ParamTraits<skia::RefPtr<SkRemotableFontIdentitySet> > {
+  typedef skia::RefPtr<SkRemotableFontIdentitySet> param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
+template<>
+struct ParamTraits<SkFontStyle> {
+  typedef SkFontStyle param_type;
+  static void Write(Message* m, const param_type& p);
+  static bool Read(const Message* m, PickleIterator* iter, param_type* r);
+  static void Log(const param_type& p, std::string* l);
+};
+
+}  // namespace IPC
+
+#endif  // CONTENT_COMMON_FONTMGR_MESSAGES_H_
+
+IPC_STRUCT_TRAITS_BEGIN(SkFontIdentity)
+  IPC_STRUCT_TRAITS_MEMBER(fDataId)
+  IPC_STRUCT_TRAITS_MEMBER(fTtcIndex)
+  IPC_STRUCT_TRAITS_MEMBER(fFontStyle)
+IPC_STRUCT_TRAITS_END()
+
+IPC_SYNC_MESSAGE_ROUTED0_1(FontMsg_GetFamilyNames,
+                           skia::RefPtr<SkDataTable> /* familyNames */)
+
+IPC_SYNC_MESSAGE_ROUTED1_1(FontMsg_GetIndexIdentities,
+                           int /*familyIndex*/,
+                           skia::RefPtr<SkRemotableFontIdentitySet> /*styles*/)
+
+IPC_SYNC_MESSAGE_ROUTED2_1(FontMsg_MatchIndexStyle,
+                           int /*familyIndex*/,
+                           SkFontStyle,
+                           SkFontIdentity)
+
+IPC_SYNC_MESSAGE_ROUTED1_1(FontMsg_MatchName,
+                           SkString /*familyName*/,
+                           skia::RefPtr<SkRemotableFontIdentitySet> /*styles*/)
+
+IPC_SYNC_MESSAGE_ROUTED2_1(FontMsg_MatchNameStyle,
+                           SkString /*familyName*/,
+                           SkFontStyle,
+                           SkFontIdentity)
+
+IPC_SYNC_MESSAGE_ROUTED4_1(FontMsg_MatchNameStyleCharacter,
+                           SkString /*familyName*/,
+                           SkFontStyle,
+                           SkString /*bpc47*/,
+                           uint32_t /*character*/,
+                           SkFontIdentity)
+
+IPC_SYNC_MESSAGE_ROUTED1_1(FontMsg_GetData,
+                           int /*fontId*/,
+                           skia::RefPtr<SkStream> /* fontData */)