IPC interface for font management.

content/browser/renderer_host/fontmgr_message_filter.h

Index: content/browser/renderer_host/fontmgr_message_filter.h
===================================================================
--- content/browser/renderer_host/fontmgr_message_filter.h	(revision 0)
+++ content/browser/renderer_host/fontmgr_message_filter.h	(working copy)
@@ -0,0 +1,69 @@
+// 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.
+
+#ifndef CONTENT_BROWSER_RENDERER_HOST_FONTMGR_MESSAGE_FILTER_H_
+#define CONTENT_BROWSER_RENDERER_HOST_FONTMGR_MESSAGE_FILTER_H_
+
+#include "base/basictypes.h"
+#include "content/public/browser/browser_message_filter.h"
+#include "skia/ext/refptr.h"
+#include "third_party/skia/include/ports/SkFontStyle.h"
+
+struct SkFontIdentity;
+
+class SkDataTable;
+class SkRemotableFontIdentitySet;
+class SkRemotableFontMgr;
+class SkStreamAsset;
+
+namespace IPC {
+template<class T> class Optional;
+}  // namespace
+
+namespace content {
+
+class FontMgrMessageFilter : public BrowserMessageFilter {
+ public:
+  explicit FontMgrMessageFilter(
+      const skia::RefPtr<SkRemotableFontMgr>& font_manager);
+
+  virtual bool OnMessageReceived(const IPC::Message& message,
+                                 bool* message_was_ok) OVERRIDE;
+
+ private:
+  virtual ~FontMgrMessageFilter();
+
+  void OnFontMsg_GetFamilyNames(skia::RefPtr<SkDataTable>* family_names);
+
+  void OnFontMsg_GetIndex(int familyIndex,
+                          skia::RefPtr<SkRemotableFontIdentitySet>* styles);
+
+  void OnFontMsg_MatchIndexStyle(int family_index,
+                                 SkFontStyle style,
+                                 SkFontIdentity* identity);
+
+  void OnFontMsg_MatchName(IPC::Optional<std::string> family_name,
+                           skia::RefPtr<SkRemotableFontIdentitySet>* styles);
+
+  void OnFontMsg_MatchNameStyle(IPC::Optional<std::string> family_name,
+                                SkFontStyle style,
+                                SkFontIdentity* identity);
+
+  void OnFontMsg_MatchNameStyleCharacter(IPC::Optional<std::string> family_name,
+                                         SkFontStyle style,
+                                         IPC::Optional<std::string> bpc47,
+                                         SkUnichar character,
+                                         SkFontIdentity* identity);
+
+  void OnFontMsg_GetData(uint32_t data_id,
+                         skia::RefPtr<SkStreamAsset>* font_data);
+
+  skia::RefPtr<SkRemotableFontMgr> font_manager_;
+
+  DISALLOW_COPY_AND_ASSIGN(FontMgrMessageFilter);
+};
+
+}  // namespace content
+
+#endif  // CONTENT_BROWSER_RENDERER_HOST_FONTMGR_MESSAGE_FILTER_H_