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// 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 PPAPI_SHARED_IMPL_PPB_FILE_REF_SHARED_H_
#define PPAPI_SHARED_IMPL_PPB_FILE_REF_SHARED_H_
#include <string>
#include "base/compiler_specific.h"
#include "ppapi/shared_impl/resource.h"
#include "ppapi/thunk/ppb_file_ref_api.h"
namespace ppapi {
class StringVar;
// FileRefs are created in a number of places and they include a number of
// return values. This struct encapsulates everything in one place.
struct PPB_FileRef_CreateInfo {
PPB_FileRef_CreateInfo()
: file_system_type(PP_FILESYSTEMTYPE_EXTERNAL),
file_system_plugin_resource(0) {}
ppapi::HostResource resource;
int file_system_type; // One of PP_FileSystemType values.
std::string path;
std::string name;
// Since FileRef needs to hold a FileSystem reference, we need to pass the
// resource in this CreateInfo. Note that this is a plugin resource as
// FileSystem is already in new design.
PP_Resource file_system_plugin_resource;
};
// This class provides the shared implementation of a FileRef. The functions
// that actually "do stuff" like Touch and MakeDirectory are implemented
// differently for the proxied and non-proxied derived classes.
class PPAPI_SHARED_EXPORT PPB_FileRef_Shared
: public Resource,
public thunk::PPB_FileRef_API {
public:
PPB_FileRef_Shared(ResourceObjectType type,
const PPB_FileRef_CreateInfo& info);
virtual ~PPB_FileRef_Shared();
// Resource overrides.
virtual thunk::PPB_FileRef_API* AsPPB_FileRef_API() OVERRIDE;
// PPB_FileRef_API implementation (partial).
virtual PP_FileSystemType GetFileSystemType() const OVERRIDE;
virtual PP_Var GetName() const OVERRIDE;
virtual PP_Var GetPath() const OVERRIDE;
virtual const PPB_FileRef_CreateInfo& GetCreateInfo() const OVERRIDE;
virtual PP_Var GetAbsolutePath() = 0;
private:
PPB_FileRef_CreateInfo create_info_;
// Lazily initialized vars created from the create_info_. This is so we can
// return the identical string object every time they're requested.
mutable scoped_refptr<StringVar> name_var_;
mutable scoped_refptr<StringVar> path_var_;
DISALLOW_IMPLICIT_CONSTRUCTORS(PPB_FileRef_Shared);
};
} // namespace ppapi
#endif // PPAPI_SHARED_IMPL_PPB_FILE_REF_SHARED_H_
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