ppapi/proxy/flash_font_file_resource.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 PPAPI_PROXY_FLASH_FONT_FILE_RESOURCE_H_
   6 #define PPAPI_PROXY_FLASH_FONT_FILE_RESOURCE_H_
   7
   8 #include <map>
   9 #include <string>
  10
  11 #include "base/basictypes.h"
  12 #include "base/compiler_specific.h"
  13 #include "base/memory/linked_ptr.h"
  14 #include "ppapi/c/private/pp_private_font_charset.h"
  15 #include "ppapi/proxy/plugin_resource.h"
  16 #include "ppapi/proxy/serialized_structs.h"
  17 #include "ppapi/thunk/ppb_flash_font_file_api.h"
  18
  19 struct PP_BrowserFont_Trusted_Description;
  20
  21 namespace ppapi {
  22 namespace proxy {
  23
  24 // TODO(yzshen): write unittest and browser test.
  25 class FlashFontFileResource : public PluginResource,
  26                               public thunk::PPB_Flash_FontFile_API {
  27  public:
  28   FlashFontFileResource(Connection connection,
  29                         PP_Instance instance,
  30                         const PP_BrowserFont_Trusted_Description* description,
  31                         PP_PrivateFontCharset charset);
  32   virtual ~FlashFontFileResource();
  33
  34   // Resource overrides.
  35   virtual thunk::PPB_Flash_FontFile_API* AsPPB_Flash_FontFile_API() OVERRIDE;
  36
  37   // PPB_Flash_FontFile_API.
  38   virtual PP_Bool GetFontTable(uint32_t table,
  39                                void* output,
  40                                uint32_t* output_length) OVERRIDE;
  41
  42  private:
  43   // Sees if we have a cache of the font table and returns a pointer to it.
  44   // Returns NULL if we don't have it.
  45   std::string* GetFontTable(uint32_t table) const;
  46
  47   std::string* AddFontTable(uint32_t table, const std::string& contents);
  48
  49   typedef std::map<uint32_t, linked_ptr<std::string> > FontTableMap;
  50   FontTableMap font_tables_;
  51
  52   SerializedFontDescription description_;
  53   PP_PrivateFontCharset charset_;
  54
  55   DISALLOW_COPY_AND_ASSIGN(FlashFontFileResource);
  56 };
  57
  58 }  // namespace proxy
  59 }  // namespace ppapi
  60
  61 #endif  // PPAPI_PROXY_FLASH_FONT_FILE_RESOURCE_H_