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      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CONTENT_COMMON_FONT_CONFIG_IPC_LINUX_H_
      6 #define CONTENT_COMMON_FONT_CONFIG_IPC_LINUX_H_
      7 
      8 #include "base/compiler_specific.h"
      9 #include "third_party/skia/include/ports/SkFontConfigInterface.h"
     10 
     11 #include <string>
     12 
     13 namespace content {
     14 
     15 // FontConfig implementation for Skia that proxies out of process to get out
     16 // of the sandbox. See http://code.google.com/p/chromium/wiki/LinuxSandboxIPC
     17 class FontConfigIPC : public SkFontConfigInterface {
     18  public:
     19   explicit FontConfigIPC(int fd);
     20   virtual ~FontConfigIPC();
     21 
     22   virtual bool matchFamilyName(const char familyName[],
     23                                SkTypeface::Style requested,
     24                                FontIdentity* outFontIdentifier,
     25                                SkString* outFamilyName,
     26                                SkTypeface::Style* outStyle) OVERRIDE;
     27 
     28   virtual SkStream* openStream(const FontIdentity&) OVERRIDE;
     29 
     30   enum Method {
     31     METHOD_MATCH = 0,
     32     METHOD_OPEN = 1,
     33   };
     34 
     35   enum {
     36     kMaxFontFamilyLength = 2048
     37   };
     38 
     39  private:
     40   const int fd_;
     41 };
     42 
     43 }  // namespace content
     44 
     45 #endif  // CONTENT_COMMON_FONT_CONFIG_IPC_LINUX_H_
     46