Revert 232547 "Pepper: Move FileIO host from renderer to browser."

trunk/src/content/browser/renderer_host/pepper/pepper_file_io_host.h

-// Copyright 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_IO_HOST_H_
-#define CONTENT_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_
-
-#include <string>
-
-#include "base/basictypes.h"
-#include "base/callback_forward.h"
-#include "base/memory/weak_ptr.h"
-#include "base/platform_file.h"
-#include "content/browser/renderer_host/pepper/browser_ppapi_host_impl.h"
-#include "ipc/ipc_listener.h"
-#include "ipc/ipc_platform_file.h"
-#include "ppapi/c/pp_file_info.h"
-#include "ppapi/c/pp_time.h"
-#include "ppapi/host/host_message_context.h"
-#include "ppapi/host/resource_host.h"
-#include "ppapi/shared_impl/file_io_state_manager.h"
-#include "url/gurl.h"
-#include "webkit/browser/fileapi/file_system_context.h"
-#include "webkit/browser/fileapi/file_system_operation_runner.h"
-#include "webkit/common/quota/quota_types.h"
-
-using ppapi::host::ReplyMessageContext;
-
-namespace content {
-class QuotaFileIO;
-
-class PepperFileIOHost : public ppapi::host::ResourceHost,
-                         public base::SupportsWeakPtr<PepperFileIOHost> {
- public:
-  typedef base::Callback<void (base::PlatformFileError)>
-      NotifyCloseFileCallback;
-
-  PepperFileIOHost(BrowserPpapiHostImpl* host,
-                   PP_Instance instance,
-                   PP_Resource resource);
-  virtual ~PepperFileIOHost();
-
-  // ppapi::host::ResourceHost override.
-  virtual int32_t OnResourceMessageReceived(
-      const IPC::Message& msg,
-      ppapi::host::HostMessageContext* context) OVERRIDE;
-
-  struct UIThreadStuff {
-    UIThreadStuff();
-    ~UIThreadStuff();
-    base::ProcessId resolved_render_process_id;
-    scoped_refptr<fileapi::FileSystemContext> file_system_context;
-  };
- private:
-  int32_t OnHostMsgOpen(ppapi::host::HostMessageContext* context,
-                        PP_Resource file_ref_resource,
-                        int32_t open_flags);
-  int32_t OnHostMsgTouch(ppapi::host::HostMessageContext* context,
-                         PP_Time last_access_time,
-                         PP_Time last_modified_time);
-  int32_t OnHostMsgWrite(ppapi::host::HostMessageContext* context,
-                         int64_t offset,
-                         const std::string& buffer);
-  int32_t OnHostMsgSetLength(ppapi::host::HostMessageContext* context,
-                             int64_t length);
-  int32_t OnHostMsgClose(ppapi::host::HostMessageContext* context);
-  int32_t OnHostMsgFlush(ppapi::host::HostMessageContext* context);
-  int32_t OnHostMsgRequestOSFileHandle(
-      ppapi::host::HostMessageContext* context);
-
-  void GotPluginAllowedToCallRequestOSFileHandle(
-      ppapi::host::ReplyMessageContext reply_context,
-      bool plugin_allowed);
-
-  // Callback handlers. These mostly convert the PlatformFileError to the
-  // PP_Error code and send back the reply. Note that the argument
-  // ReplyMessageContext is copied so that we have a closure containing all
-  // necessary information to reply.
-  void ExecutePlatformGeneralCallback(ReplyMessageContext reply_context,
-                                      base::PlatformFileError error_code);
-  void ExecutePlatformOpenFileCallback(ReplyMessageContext reply_context,
-                                       base::PlatformFileError error_code,
-                                       base::PassPlatformFile file,
-                                       bool unused_created);
-  void ExecutePlatformWriteCallback(ReplyMessageContext reply_context,
-                                    base::PlatformFileError error_code,
-                                    int bytes_written);
-
-  void GotUIThreadStuffForInternalFileSystems(
-      ReplyMessageContext reply_context,
-      int platform_file_flags,
-      UIThreadStuff ui_thread_stuff);
-  void DidOpenInternalFile(
-      ReplyMessageContext reply_context,
-      base::PlatformFileError result,
-      base::PlatformFile file,
-      const base::Closure& on_close_callback);
-  void GotResolvedRenderProcessId(
-      ReplyMessageContext reply_context,
-      base::FilePath path,
-      int platform_file_flags,
-      base::ProcessId resolved_render_process_id);
-
-  void DidCloseFile(base::PlatformFileError error);
-
-  // Adds file_ to |reply_context| with the specified |open_flags|.
-  bool AddFileToReplyContext(
-      int32_t open_flags,
-      ppapi::host::ReplyMessageContext* reply_context) const;
-
-  BrowserPpapiHostImpl* browser_ppapi_host_;
-
-  RenderProcessHost* render_process_host_;
-  int render_process_id_;
-  base::ProcessId resolved_render_process_id_;
-
-  base::PlatformFile file_;
-
-  // The file system type specified in the Open() call. This will be
-  // PP_FILESYSTEMTYPE_INVALID before open was called. This value does not
-  // indicate that the open command actually succeeded.
-  PP_FileSystemType file_system_type_;
-
-  // Valid only for PP_FILESYSTEMTYPE_LOCAL{PERSISTENT,TEMPORARY}.
-  scoped_refptr<fileapi::FileSystemContext> file_system_context_;
-  scoped_ptr<fileapi::FileSystemOperationRunner> file_system_operation_runner_;
-  fileapi::FileSystemURL file_system_url_;
-  base::Closure on_close_callback_;
-
-  // Used to check if we can pass file handle to plugins.
-  quota::QuotaLimitType quota_policy_;
-
-  // Pointer to a QuotaFileIO instance, which is valid only while a file
-  // of type PP_FILESYSTEMTYPE_LOCAL{PERSISTENT,TEMPORARY} is opened.
-  scoped_ptr<QuotaFileIO> quota_file_io_;
-
-  int32_t open_flags_;
-
-  ppapi::FileIOStateManager state_manager_;
-
-  scoped_refptr<base::MessageLoopProxy> file_message_loop_;
-
-  base::WeakPtrFactory<PepperFileIOHost> weak_factory_;
-
-  DISALLOW_COPY_AND_ASSIGN(PepperFileIOHost);
-};
-
-}  // namespace content
-
-#endif  // CONTENT_RENDERER_PEPPER_PEPPER_FILE_IO_HOST_H_