content/common/font_config_ipc_linux.h

   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   ~FontConfigIPC() override;
  21
  22   bool matchFamilyName(const char familyName[],
  23                        SkTypeface::Style requested,
  24                        FontIdentity* outFontIdentifier,
  25                        SkString* outFamilyName,
  26                        SkTypeface::Style* outStyle) override;
  27
  28   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_