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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_THUNK_PPB_FILE_REF_API_H_
#define PPAPI_THUNK_PPB_FILE_REF_API_H_
#include <vector>
#include "base/memory/linked_ptr.h"
#include "base/memory/ref_counted.h"
#include "ppapi/c/ppb_file_ref.h"
#include "ppapi/thunk/ppapi_thunk_export.h"
namespace ppapi {
struct PPB_FileRef_CreateInfo;
class TrackedCallback;
namespace thunk {
class PPAPI_THUNK_EXPORT PPB_FileRef_API {
public:
virtual ~PPB_FileRef_API() {}
virtual PP_FileSystemType GetFileSystemType() const = 0;
virtual PP_Var GetName() const = 0;
virtual PP_Var GetPath() const = 0;
virtual PP_Resource GetParent() = 0;
virtual int32_t MakeDirectory(PP_Bool make_ancestors,
scoped_refptr<TrackedCallback> callback) = 0;
virtual int32_t Touch(PP_Time last_access_time,
PP_Time last_modified_time,
scoped_refptr<TrackedCallback> callback) = 0;
virtual int32_t Delete(scoped_refptr<TrackedCallback> callback) = 0;
virtual int32_t Rename(PP_Resource new_file_ref,
scoped_refptr<TrackedCallback> callback) = 0;
virtual int32_t Query(PP_FileInfo* info,
scoped_refptr<TrackedCallback> callback) = 0;
virtual int32_t ReadDirectoryEntries(
const PP_ArrayOutput& output,
scoped_refptr<TrackedCallback> callback) = 0;
// We define variants of Query and ReadDirectoryEntries because
// 1. we need to take linked_ptr instead of raw pointers to avoid
// use-after-free, and 2. we don't use PP_ArrayOutput for the
// communication between renderers and the browser in
// ReadDirectoryEntries. The *InHost functions must not be called in
// plugins, and Query and ReadDirectoryEntries must not be called in
// renderers.
// TODO(hamaji): These functions must be removed when we move
// FileRef to the new resource design. http://crbug.com/225441
virtual int32_t QueryInHost(linked_ptr<PP_FileInfo> info,
scoped_refptr<TrackedCallback> callback) = 0;
virtual int32_t ReadDirectoryEntriesInHost(
linked_ptr<std::vector<ppapi::PPB_FileRef_CreateInfo> > files,
linked_ptr<std::vector<PP_FileType> > file_types,
scoped_refptr<TrackedCallback> callback) = 0;
// Internal function for use in proxying. Returns the internal CreateInfo
// (the contained resource does not carry a ref on behalf of the caller).
virtual const PPB_FileRef_CreateInfo& GetCreateInfo() const = 0;
// Private API
virtual PP_Var GetAbsolutePath() = 0;
};
} // namespace thunk
} // namespace ppapi
#endif // PPAPI_THUNK_PPB_FILE_REF_API_H_
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