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// Copyright (c) 2010 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_GLUE_PLUGINS_PEPPER_FILE_IO_H_
#define WEBKIT_GLUE_PLUGINS_PEPPER_FILE_IO_H_
#include "base/file_path.h"
#include "base/platform_file.h"
#include "base/scoped_callback_factory.h"
#include "base/scoped_ptr.h"
#include "ppapi/c/dev/pp_file_info_dev.h"
#include "ppapi/c/pp_completion_callback.h"
#include "ppapi/c/pp_time.h"
#include "webkit/glue/plugins/pepper_plugin_delegate.h"
#include "webkit/glue/plugins/pepper_resource.h"
struct PP_CompletionCallback;
struct PPB_FileIO_Dev;
struct PPB_FileIOTrusted_Dev;
namespace pepper {
class PluginModule;
class FileIO : public Resource {
public:
explicit FileIO(PluginModule* module);
virtual ~FileIO();
// Returns a pointer to the interface implementing PPB_FileIO that is exposed
// to the plugin.
static const PPB_FileIO_Dev* GetInterface();
// Returns a pointer to the interface implementing PPB_FileIOTrusted that is
// exposed to the plugin.
static const PPB_FileIOTrusted_Dev* GetTrustedInterface();
// Resource overrides.
FileIO* AsFileIO() { return this; }
// PPB_FileIO implementation.
int32_t Open(FileRef* file_ref,
int32_t open_flags,
PP_CompletionCallback callback);
int32_t Query(PP_FileInfo_Dev* info,
PP_CompletionCallback callback);
int32_t Touch(PP_Time last_access_time,
PP_Time last_modified_time,
PP_CompletionCallback callback);
int32_t Read(int64_t offset,
char* buffer,
int32_t bytes_to_read,
PP_CompletionCallback callback);
int32_t Write(int64_t offset,
const char* buffer,
int32_t bytes_to_write,
PP_CompletionCallback callback);
int32_t SetLength(int64_t length,
PP_CompletionCallback callback);
int32_t Flush(PP_CompletionCallback callback);
void Close();
// PPB_FileIOTrusted implementation.
int32_t GetOSFileDescriptor();
int32_t WillWrite(int64_t offset,
int32_t bytes_to_write,
PP_CompletionCallback callback);
int32_t WillSetLength(int64_t length,
PP_CompletionCallback callback);
void RunPendingCallback(int result);
void StatusCallback(base::PlatformFileError error_code);
void AsyncOpenFileCallback(base::PlatformFileError error_code,
base::PlatformFile file);
void QueryInfoCallback(base::PlatformFileError error_code,
const base::PlatformFileInfo& file_info);
void ReadWriteCallback(base::PlatformFileError error_code,
int bytes_read_or_written);
private:
PluginDelegate* delegate_;
base::ScopedCallbackFactory<FileIO> callback_factory_;
base::PlatformFile file_;
PP_FileSystemType_Dev file_system_type_;
PP_CompletionCallback callback_;
PP_FileInfo_Dev* info_;
};
} // namespace pepper
#endif // WEBKIT_GLUE_PLUGINS_PEPPER_FILE_IO_H_
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