content/browser/renderer_host/pepper/pepper_internal_file_ref_backend.h

   1 // Copyright 2013 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_INTERNAL_FILE_REF_BACKEND_H_
   6 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_INTERNAL_FILE_REF_BACKEND_H_
   7
   8 #include <string>
   9
  10 #include "content/browser/renderer_host/pepper/pepper_file_ref_host.h"
  11 #include "ppapi/c/pp_instance.h"
  12 #include "ppapi/c/pp_resource.h"
  13 #include "ppapi/c/pp_time.h"
  14 #include "ppapi/host/ppapi_host.h"
  15 #include "storage/browser/fileapi/file_system_context.h"
  16 #include "storage/browser/fileapi/file_system_operation.h"
  17 #include "storage/browser/fileapi/file_system_url.h"
  18
  19 namespace content {
  20
  21 class PepperFileSystemBrowserHost;
  22
  23 // Implementations of FileRef operations for internal filesystems.
  24 class PepperInternalFileRefBackend : public PepperFileRefBackend {
  25  public:
  26   PepperInternalFileRefBackend(
  27       ppapi::host::PpapiHost* host,
  28       int render_process_id,
  29       base::WeakPtr<PepperFileSystemBrowserHost> fs_host,
  30       const std::string& path);
  31   ~PepperInternalFileRefBackend() override;
  32
  33   // PepperFileRefBackend overrides.
  34   int32_t MakeDirectory(ppapi::host::ReplyMessageContext context,
  35                         int32_t make_directory_flags) override;
  36   int32_t Touch(ppapi::host::ReplyMessageContext context,
  37                 PP_Time last_accessed_time,
  38                 PP_Time last_modified_time) override;
  39   int32_t Delete(ppapi::host::ReplyMessageContext context) override;
  40   int32_t Rename(ppapi::host::ReplyMessageContext context,
  41                  PepperFileRefHost* new_file_ref) override;
  42   int32_t Query(ppapi::host::ReplyMessageContext context) override;
  43   int32_t ReadDirectoryEntries(
  44       ppapi::host::ReplyMessageContext context) override;
  45   int32_t GetAbsolutePath(ppapi::host::ReplyMessageContext context) override;
  46   storage::FileSystemURL GetFileSystemURL() const override;
  47   base::FilePath GetExternalFilePath() const override;
  48
  49   int32_t CanRead() const override;
  50   int32_t CanWrite() const override;
  51   int32_t CanCreate() const override;
  52   int32_t CanReadWrite() const override;
  53
  54  private:
  55   // Generic reply callback.
  56   void DidFinish(ppapi::host::ReplyMessageContext reply_context,
  57                  const IPC::Message& msg,
  58                  base::File::Error error);
  59
  60   // Operation specific callbacks.
  61   void GetMetadataComplete(ppapi::host::ReplyMessageContext reply_context,
  62                            base::File::Error error,
  63                            const base::File::Info& file_info);
  64   void ReadDirectoryComplete(
  65       ppapi::host::ReplyMessageContext context,
  66       storage::FileSystemOperation::FileEntryList* accumulated_file_list,
  67       base::File::Error error,
  68       const storage::FileSystemOperation::FileEntryList& file_list,
  69       bool has_more);
  70
  71   scoped_refptr<storage::FileSystemContext> GetFileSystemContext() const;
  72
  73   ppapi::host::PpapiHost* host_;
  74   int render_process_id_;
  75   base::WeakPtr<PepperFileSystemBrowserHost> fs_host_;
  76   PP_FileSystemType fs_type_;
  77   std::string path_;
  78
  79   mutable storage::FileSystemURL fs_url_;
  80
  81   base::WeakPtrFactory<PepperInternalFileRefBackend> weak_factory_;
  82
  83   DISALLOW_COPY_AND_ASSIGN(PepperInternalFileRefBackend);
  84 };
  85
  86 }  // namespace content
  87
  88 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_INTERNAL_FILE_REF_BACKEND_H_