Move DirectoryReader::ReadEntries to FileRef::ReadDirectoryEntries

ppapi/cpp/dev/directory_entry_dev.h

-// Copyright (c) 2011 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 PPAPI_CPP_DEV_DIRECTORY_ENTRY_DEV_H_
-#define PPAPI_CPP_DEV_DIRECTORY_ENTRY_DEV_H_
-
-#include <vector>
-
-#include "ppapi/c/dev/ppb_directory_reader_dev.h"
-#include "ppapi/c/pp_array_output.h"
-#include "ppapi/cpp/array_output.h"
-#include "ppapi/cpp/file_ref.h"
-#include "ppapi/cpp/pass_ref.h"
-#include "ppapi/cpp/output_traits.h"
-
-namespace pp {
-
-class DirectoryEntry_Dev {
- public:
-  DirectoryEntry_Dev();
-  DirectoryEntry_Dev(PassRef, const PP_DirectoryEntry_Dev& data);
-  DirectoryEntry_Dev(const DirectoryEntry_Dev& other);
-
-  ~DirectoryEntry_Dev();
-
-  DirectoryEntry_Dev& operator=(const DirectoryEntry_Dev& other);
-
-  // Returns true if the DirectoryEntry is invalid or uninitialized.
-  bool is_null() const { return !data_.file_ref; }
-
-  // Returns the FileRef held by this DirectoryEntry.
-  FileRef file_ref() const { return FileRef(data_.file_ref); }
-
-  // Returns the type of the file referenced by this DirectoryEntry.
-  PP_FileType file_type() const { return data_.file_type; }
-
- private:
-  PP_DirectoryEntry_Dev data_;
-};
-
-namespace internal {
-
-class DirectoryEntryArrayOutputAdapterWithStorage
-    : public ArrayOutputAdapter<PP_DirectoryEntry_Dev> {
- public:
-  DirectoryEntryArrayOutputAdapterWithStorage();
-  virtual ~DirectoryEntryArrayOutputAdapterWithStorage();
-
-  // Returns the final array of resource objects, converting the
-  // PP_DirectoryEntry_Dev written by the browser to pp::DirectoryEntry_Dev
-  // objects.
-  //
-  // This function should only be called once or we would end up converting
-  // the array more than once, which would mess up the refcounting.
-  std::vector<DirectoryEntry_Dev>& output();
-
- private:
-  // The browser will write the PP_DirectoryEntry_Devs into this array.
-  std::vector<PP_DirectoryEntry_Dev> temp_storage_;
-
-  // When asked for the output, the PP_DirectoryEntry_Devs above will be
-  // converted to the pp::DirectoryEntry_Devs in this array for passing to the
-  // calling code.
-  std::vector<DirectoryEntry_Dev> output_storage_;
-};
-
-// A specialization of CallbackOutputTraits to provide the callback system the
-// information on how to handle vectors of pp::DirectoryEntry_Dev. This converts
-// PP_DirectoryEntry_Dev to pp::DirectoryEntry_Dev when passing to the plugin.
-template <>
-struct CallbackOutputTraits< std::vector<DirectoryEntry_Dev> > {
-  typedef PP_ArrayOutput APIArgType;
-  typedef DirectoryEntryArrayOutputAdapterWithStorage StorageType;
-
-  static inline APIArgType StorageToAPIArg(StorageType& t) {
-    return t.pp_array_output();
-  }
-
-  static inline std::vector<DirectoryEntry_Dev>& StorageToPluginArg(
-      StorageType& t) {
-    return t.output();
-  }
-};
-
-}  // namespace internal
-}  // namespace pp
-
-#endif  // PPAPI_CPP_DEV_DIRECTORY_ENTRY_DEV_H_