ppapi/proxy/truetype_font_resource.h

   1 // Copyright (c) 2013 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_TRUETYPE_FONT_RESOURCE_H_
   6 #define PPAPI_PROXY_TRUETYPE_FONT_RESOURCE_H_
   7
   8 #include <queue>
   9 #include <string>
  10
  11 #include "ppapi/proxy/connection.h"
  12 #include "ppapi/proxy/plugin_resource.h"
  13 #include "ppapi/proxy/ppapi_proxy_export.h"
  14 #include "ppapi/proxy/serialized_structs.h"
  15 #include "ppapi/shared_impl/var.h"
  16 #include "ppapi/thunk/ppb_truetype_font_api.h"
  17
  18 namespace ppapi {
  19
  20 class TrackedCallback;
  21
  22 namespace proxy {
  23
  24 struct SerializedTrueTypeFontDesc;
  25
  26 class PPAPI_PROXY_EXPORT TrueTypeFontResource
  27     : public PluginResource,
  28       public thunk::PPB_TrueTypeFont_API {
  29  public:
  30   TrueTypeFontResource(Connection connection,
  31                        PP_Instance instance,
  32                        const PP_TrueTypeFontDesc_Dev& desc);
  33   virtual ~TrueTypeFontResource();
  34
  35   // Resource implementation.
  36   virtual thunk::PPB_TrueTypeFont_API* AsPPB_TrueTypeFont_API() override;
  37
  38   // PPB_TrueTypeFont_API implementation.
  39   virtual int32_t Describe(
  40       PP_TrueTypeFontDesc_Dev* desc,
  41       scoped_refptr<TrackedCallback> callback) override;
  42   virtual int32_t GetTableTags(
  43       const PP_ArrayOutput& output,
  44       scoped_refptr<TrackedCallback> callback) override;
  45   virtual int32_t GetTable(
  46       uint32_t table,
  47       int32_t offset,
  48       int32_t max_data_length,
  49       const PP_ArrayOutput& output,
  50       scoped_refptr<TrackedCallback> callback) override;
  51
  52   // PluginResource implementation.
  53   virtual void OnReplyReceived(const ResourceMessageReplyParams& params,
  54                                const IPC::Message& msg) override;
  55
  56  private:
  57   void OnPluginMsgCreateComplete(
  58       const ResourceMessageReplyParams& params,
  59       const ppapi::proxy::SerializedTrueTypeFontDesc& desc,
  60       int32_t result);
  61   void OnPluginMsgGetTableTagsComplete(
  62       scoped_refptr<TrackedCallback> callback,
  63       PP_ArrayOutput array_output,
  64       const ResourceMessageReplyParams& params,
  65       const std::vector<uint32_t>& data);
  66   void OnPluginMsgGetTableComplete(
  67       scoped_refptr<TrackedCallback> callback,
  68       PP_ArrayOutput array_output,
  69       const ResourceMessageReplyParams& params,
  70       const std::string& data);
  71
  72   int32_t create_result_;
  73   // Valid only when create_result_ == PP_OK.
  74   ppapi::proxy::SerializedTrueTypeFontDesc desc_;
  75
  76   // Params for pending Describe call.
  77   PP_TrueTypeFontDesc_Dev* describe_desc_;
  78   scoped_refptr<TrackedCallback> describe_callback_;
  79
  80   DISALLOW_COPY_AND_ASSIGN(TrueTypeFontResource);
  81 };
  82
  83 }  // namespace proxy
  84 }  // namespace ppapi
  85
  86 #endif  // PPAPI_PROXY_TRUETYPE_FONT_RESOURCE_H_