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// 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 WEBKIT_PLUGINS_PPAPI_PPB_FILE_REF_IMPL_H_
#define WEBKIT_PLUGINS_PPAPI_PPB_FILE_REF_IMPL_H_
#include <string>
#include "base/file_path.h"
#include "googleurl/src/gurl.h"
#include "ppapi/c/ppb_file_ref.h"
#include "ppapi/shared_impl/file_ref_impl.h"
namespace webkit {
namespace ppapi {
class PPB_FileSystem_Impl;
class PPB_FileRef_Impl : public ::ppapi::FileRefImpl {
public:
PPB_FileRef_Impl(const ::ppapi::PPB_FileRef_CreateInfo& info,
PPB_FileSystem_Impl* file_system);
PPB_FileRef_Impl(const ::ppapi::PPB_FileRef_CreateInfo& info,
const FilePath& external_file_path);
virtual ~PPB_FileRef_Impl();
// The returned object will have a refcount of 0 (just like "new").
static PPB_FileRef_Impl* CreateInternal(PP_Resource pp_file_system,
const std::string& path);
// The returned object will have a refcount of 0 (just like "new").
static PPB_FileRef_Impl* CreateExternal(PP_Instance instance,
const FilePath& external_file_path);
// PPB_FileRef_API implementation (not provided by FileRefImpl).
virtual PP_Resource GetParent() OVERRIDE;
virtual int32_t MakeDirectory(PP_Bool make_ancestors,
PP_CompletionCallback callback) OVERRIDE;
virtual int32_t Touch(PP_Time last_access_time,
PP_Time last_modified_time,
PP_CompletionCallback callback) OVERRIDE;
virtual int32_t Delete(PP_CompletionCallback callback) OVERRIDE;
virtual int32_t Rename(PP_Resource new_file_ref,
PP_CompletionCallback callback) OVERRIDE;
PPB_FileSystem_Impl* file_system() const { return file_system_.get(); }
// Returns the system path corresponding to this file. Valid only for
// external filesystems.
FilePath GetSystemPath() const;
// Returns the FileSystem API URL corresponding to this file.
GURL GetFileSystemURL() const;
// Checks if file ref has file system instance and if the instance is opened.
bool HasValidFileSystem() const;
private:
// Many mutation functions are allow only to non-external filesystems, This
// function returns true if the filesystem is opened and isn't external as an
// access check for these functions.
bool IsValidNonExternalFileSystem() const;
// Null for external filesystems.
scoped_refptr<PPB_FileSystem_Impl> file_system_;
// Used only for external filesystems.
FilePath external_file_system_path_;
DISALLOW_COPY_AND_ASSIGN(PPB_FileRef_Impl);
};
} // namespace ppapi
} // namespace webkit
#endif // WEBKIT_PLUGINS_PPAPI_PPB_FILE_REF_IMPL_H_
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