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// Copyright (c) 2013 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 CONTENT_RENDERER_PEPPER_PEPPER_FILE_SYSTEM_HOST_H_
#define CONTENT_RENDERER_PEPPER_PEPPER_FILE_SYSTEM_HOST_H_
#include <stdint.h>
#include <string>
#include "base/files/file.h"
#include "base/macros.h"
#include "base/memory/weak_ptr.h"
#include "ppapi/c/pp_file_info.h"
#include "ppapi/c/private/ppb_isolated_file_system_private.h"
#include "ppapi/host/host_message_context.h"
#include "ppapi/host/resource_host.h"
#include "url/gurl.h"
namespace content {
class RendererPpapiHost;
class PepperFileSystemHost
: public ppapi::host::ResourceHost,
public base::SupportsWeakPtr<PepperFileSystemHost> {
public:
// Creates a new PepperFileSystemHost for a file system of a given |type|. The
// host will not be connected to any specific file system, and will need to
// subsequently be opened before use.
PepperFileSystemHost(RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource,
PP_FileSystemType type);
// Creates a new PepperFileSystemHost with an existing file system at the
// given |root_url| and of the given |type|. The file system must already be
// opened. Once created, the PepperFileSystemHost is already opened for use.
PepperFileSystemHost(RendererPpapiHost* host,
PP_Instance instance,
PP_Resource resource,
const GURL& root_url,
PP_FileSystemType type);
~PepperFileSystemHost() override;
// ppapi::host::ResourceHost override.
int32_t OnResourceMessageReceived(
const IPC::Message& msg,
ppapi::host::HostMessageContext* context) override;
bool IsFileSystemHost() override;
// Supports FileRefs direct access on the host side.
PP_FileSystemType GetType() const { return type_; }
bool IsOpened() const { return opened_; }
GURL GetRootUrl() const { return root_url_; }
private:
// Callback for OpenFileSystem.
void DidOpenFileSystem(const std::string& name_unused, const GURL& root);
void DidFailOpenFileSystem(base::File::Error error);
int32_t OnHostMsgOpen(ppapi::host::HostMessageContext* context,
int64_t expected_size);
int32_t OnHostMsgInitIsolatedFileSystem(
ppapi::host::HostMessageContext* context,
const std::string& fsid,
PP_IsolatedFileSystemType_Private type);
RendererPpapiHost* renderer_ppapi_host_;
ppapi::host::ReplyMessageContext reply_context_;
PP_FileSystemType type_;
bool opened_; // whether open is successful.
GURL root_url_;
bool called_open_; // whether open has been called.
DISALLOW_COPY_AND_ASSIGN(PepperFileSystemHost);
};
} // namespace content
#endif // CONTENT_RENDERER_PEPPER_PEPPER_FILE_SYSTEM_HOST_H_
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