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.
5 #ifndef CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FILE_REF_HOST_H_
6 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FILE_REF_HOST_H_
10 #include "base/memory/weak_ptr.h"
11 #include "content/public/browser/browser_ppapi_host.h"
12 #include "ppapi/c/pp_file_info.h"
13 #include "ppapi/c/pp_instance.h"
14 #include "ppapi/c/pp_resource.h"
15 #include "ppapi/c/pp_time.h"
16 #include "ppapi/host/host_message_context.h"
17 #include "ppapi/host/resource_host.h"
18 #include "webkit/browser/fileapi/file_system_url.h"
22 class PepperFileRefHost;
24 // Internal and external filesystems have very different codepaths for
25 // performing FileRef operations. The logic is split into separate classes
26 // to make it easier to read.
27 class PepperFileRefBackend {
29 virtual ~PepperFileRefBackend();
31 virtual int32_t MakeDirectory(ppapi::host::ReplyMessageContext context,
32 bool make_ancestors) = 0;
33 virtual int32_t Touch(ppapi::host::ReplyMessageContext context,
34 PP_Time last_accessed_time,
35 PP_Time last_modified_time) = 0;
36 virtual int32_t Delete(ppapi::host::ReplyMessageContext context) = 0;
37 virtual int32_t Rename(ppapi::host::ReplyMessageContext context,
38 PepperFileRefHost* new_file_ref) = 0;
39 virtual int32_t Query(ppapi::host::ReplyMessageContext context) = 0;
40 virtual int32_t ReadDirectoryEntries(
41 ppapi::host::ReplyMessageContext context) = 0;
42 virtual int32_t GetAbsolutePath(
43 ppapi::host::ReplyMessageContext context) = 0;
44 virtual fileapi::FileSystemURL GetFileSystemURL() const = 0;
45 virtual base::FilePath GetExternalFilePath() const = 0;
47 // Returns an error from the pp_errors.h enum.
48 virtual int32_t CanRead() const = 0;
49 virtual int32_t CanWrite() const = 0;
50 virtual int32_t CanCreate() const = 0;
51 virtual int32_t CanReadWrite() const = 0;
54 class CONTENT_EXPORT PepperFileRefHost
55 : public ppapi::host::ResourceHost,
56 public base::SupportsWeakPtr<PepperFileRefHost> {
58 PepperFileRefHost(BrowserPpapiHost* host,
61 PP_Resource file_system,
62 const std::string& internal_path);
64 PepperFileRefHost(BrowserPpapiHost* host,
67 const base::FilePath& external_path);
69 virtual ~PepperFileRefHost();
71 // ResourceHost overrides.
72 virtual int32_t OnResourceMessageReceived(
73 const IPC::Message& msg,
74 ppapi::host::HostMessageContext* context) OVERRIDE;
75 virtual bool IsFileRefHost() OVERRIDE;
77 // Required to support Rename().
78 PP_FileSystemType GetFileSystemType() const;
79 fileapi::FileSystemURL GetFileSystemURL() const;
81 // Required to support FileIO.
82 base::FilePath GetExternalFilePath() const;
84 int32_t CanRead() const;
85 int32_t CanWrite() const;
86 int32_t CanCreate() const;
87 int32_t CanReadWrite() const;
90 int32_t OnMakeDirectory(ppapi::host::HostMessageContext* context,
92 int32_t OnTouch(ppapi::host::HostMessageContext* context,
93 PP_Time last_access_time,
94 PP_Time last_modified_time);
95 int32_t OnDelete(ppapi::host::HostMessageContext* context);
96 int32_t OnRename(ppapi::host::HostMessageContext* context,
97 PP_Resource new_file_ref);
98 int32_t OnQuery(ppapi::host::HostMessageContext* context);
99 int32_t OnReadDirectoryEntries(ppapi::host::HostMessageContext* context);
100 int32_t OnGetAbsolutePath(ppapi::host::HostMessageContext* context);
102 BrowserPpapiHost* host_;
103 scoped_ptr<PepperFileRefBackend> backend_;
104 PP_FileSystemType fs_type_;
106 DISALLOW_COPY_AND_ASSIGN(PepperFileRefHost);
109 } // namespace content
111 #endif // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FILE_REF_HOST_H_