Implement Pepper proxy for PPB_DirectoryReader

webkit/plugins/ppapi/ppb_directory_reader_impl.h

-// Copyright (c) 2012 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 WEBKIT_PLUGINS_PPAPI_PPB_DIRECTORY_READER_IMPL_H_
-#define WEBKIT_PLUGINS_PPAPI_PPB_DIRECTORY_READER_IMPL_H_
-
-#include <queue>
-#include <vector>
-
-#include "base/files/file_util_proxy.h"
-#include "ppapi/shared_impl/resource.h"
-#include "ppapi/thunk/ppb_directory_reader_api.h"
-
-struct PP_DirectoryEntry_Dev;
-
-namespace webkit {
-namespace ppapi {
-
-class PPB_FileRef_Impl;
-
-class PPB_DirectoryReader_Impl
-    : public ::ppapi::Resource,
-      public ::ppapi::thunk::PPB_DirectoryReader_API {
- public:
-  explicit PPB_DirectoryReader_Impl(PPB_FileRef_Impl* directory_ref);
-  virtual ~PPB_DirectoryReader_Impl();
-
-  static PP_Resource Create(PP_Resource directory_ref);
-
-  // Resource overrides.
-  virtual ::ppapi::thunk::PPB_DirectoryReader_API* AsPPB_DirectoryReader_API()
-      OVERRIDE;
-
-  // PPB_DirectoryReader_API implementation.
-  virtual int32_t GetNextEntry(
-      PP_DirectoryEntry_Dev* entry,
-      scoped_refptr< ::ppapi::TrackedCallback> callback) OVERRIDE;
-
-  void AddNewEntries(const std::vector<base::FileUtilProxy::Entry>& entries,
-                     bool has_more);
-
- private:
-  bool FillUpEntry();
-
-  scoped_refptr<PPB_FileRef_Impl> directory_ref_;
-  std::queue<base::FileUtilProxy::Entry> entries_;
-  bool has_more_;
-  PP_DirectoryEntry_Dev* entry_;
-};
-
-}  // namespace ppapi
-}  // namespace webkit
-
-#endif  // WEBKIT_PLUGINS_PPAPI_PPB_DIRECTORY_READER_IMPL_H_