| // 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_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FILE_REF_HOST_H_ |
| #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FILE_REF_HOST_H_ |
| |
| #include <string> |
| |
| #include "base/memory/weak_ptr.h" |
| #include "content/public/browser/browser_ppapi_host.h" |
| #include "ppapi/c/pp_file_info.h" |
| #include "ppapi/c/pp_instance.h" |
| #include "ppapi/c/pp_resource.h" |
| #include "ppapi/c/pp_time.h" |
| #include "ppapi/host/host_message_context.h" |
| #include "ppapi/host/resource_host.h" |
| #include "webkit/browser/fileapi/file_system_url.h" |
| |
| namespace content { |
| |
| class PepperFileRefHost; |
| |
| // Internal and external filesystems have very different codepaths for |
| // performing FileRef operations. The logic is split into separate classes |
| // to make it easier to read. |
| class PepperFileRefBackend { |
| public: |
| virtual ~PepperFileRefBackend(); |
| |
| virtual int32_t MakeDirectory(ppapi::host::ReplyMessageContext context, |
| bool make_ancestors) = 0; |
| virtual int32_t Touch(ppapi::host::ReplyMessageContext context, |
| PP_Time last_accessed_time, |
| PP_Time last_modified_time) = 0; |
| virtual int32_t Delete(ppapi::host::ReplyMessageContext context) = 0; |
| virtual int32_t Rename(ppapi::host::ReplyMessageContext context, |
| PepperFileRefHost* new_file_ref) = 0; |
| virtual int32_t Query(ppapi::host::ReplyMessageContext context) = 0; |
| virtual int32_t ReadDirectoryEntries( |
| ppapi::host::ReplyMessageContext context) = 0; |
| virtual int32_t GetAbsolutePath( |
| ppapi::host::ReplyMessageContext context) = 0; |
| virtual fileapi::FileSystemURL GetFileSystemURL() const = 0; |
| |
| // Returns an error from the pp_errors.h enum. |
| virtual int32_t CanRead() const = 0; |
| virtual int32_t CanWrite() const = 0; |
| virtual int32_t CanCreate() const = 0; |
| virtual int32_t CanReadWrite() const = 0; |
| }; |
| |
| class CONTENT_EXPORT PepperFileRefHost |
| : public ppapi::host::ResourceHost, |
| public base::SupportsWeakPtr<PepperFileRefHost> { |
| public: |
| PepperFileRefHost(BrowserPpapiHost* host, |
| PP_Instance instance, |
| PP_Resource resource, |
| PP_Resource file_system, |
| const std::string& internal_path); |
| |
| PepperFileRefHost(BrowserPpapiHost* host, |
| PP_Instance instance, |
| PP_Resource resource, |
| const base::FilePath& external_path); |
| |
| virtual ~PepperFileRefHost(); |
| |
| // ResourceHost overrides. |
| virtual int32_t OnResourceMessageReceived( |
| const IPC::Message& msg, |
| ppapi::host::HostMessageContext* context) OVERRIDE; |
| virtual bool IsFileRefHost() OVERRIDE; |
| |
| // Required to support Rename(). |
| PP_FileSystemType GetFileSystemType() const; |
| fileapi::FileSystemURL GetFileSystemURL() const; |
| |
| int32_t CanRead() const; |
| int32_t CanWrite() const; |
| int32_t CanCreate() const; |
| int32_t CanReadWrite() const; |
| |
| private: |
| int32_t OnMakeDirectory(ppapi::host::HostMessageContext* context, |
| bool make_ancestors); |
| int32_t OnTouch(ppapi::host::HostMessageContext* context, |
| PP_Time last_access_time, |
| PP_Time last_modified_time); |
| int32_t OnDelete(ppapi::host::HostMessageContext* context); |
| int32_t OnRename(ppapi::host::HostMessageContext* context, |
| PP_Resource new_file_ref); |
| int32_t OnQuery(ppapi::host::HostMessageContext* context); |
| int32_t OnReadDirectoryEntries(ppapi::host::HostMessageContext* context); |
| int32_t OnGetAbsolutePath(ppapi::host::HostMessageContext* context); |
| |
| BrowserPpapiHost* host_; |
| scoped_ptr<PepperFileRefBackend> backend_; |
| PP_FileSystemType fs_type_; |
| |
| DISALLOW_COPY_AND_ASSIGN(PepperFileRefHost); |
| }; |
| |
| } // namespace content |
| |
| #endif // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FILE_REF_HOST_H_ |