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      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_EXTERNAL_FILE_REF_BACKEND_H_
      6 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_EXTERNAL_FILE_REF_BACKEND_H_
      7 
      8 #include <string>
      9 
     10 #include "base/files/file_path.h"
     11 #include "base/memory/ref_counted.h"
     12 #include "base/task_runner.h"
     13 #include "content/browser/renderer_host/pepper/pepper_file_ref_host.h"
     14 #include "ppapi/c/pp_instance.h"
     15 #include "ppapi/c/pp_resource.h"
     16 #include "ppapi/c/pp_time.h"
     17 #include "ppapi/host/ppapi_host.h"
     18 
     19 namespace content {
     20 
     21 // Implementations of FileRef operations for external filesystems.
     22 class PepperExternalFileRefBackend : public PepperFileRefBackend {
     23  public:
     24   PepperExternalFileRefBackend(ppapi::host::PpapiHost* host,
     25                                int render_process_id,
     26                                const base::FilePath& path);
     27   virtual ~PepperExternalFileRefBackend();
     28 
     29   // PepperFileRefBackend overrides.
     30   virtual int32_t MakeDirectory(ppapi::host::ReplyMessageContext context,
     31                                 bool make_ancestors) OVERRIDE;
     32   virtual int32_t Touch(ppapi::host::ReplyMessageContext context,
     33                         PP_Time last_accessed_time,
     34                         PP_Time last_modified_time) OVERRIDE;
     35   virtual int32_t Delete(ppapi::host::ReplyMessageContext context) OVERRIDE;
     36   virtual int32_t Rename(ppapi::host::ReplyMessageContext context,
     37                          PepperFileRefHost* new_file_ref) OVERRIDE;
     38   virtual int32_t Query(ppapi::host::ReplyMessageContext context) OVERRIDE;
     39   virtual int32_t ReadDirectoryEntries(
     40       ppapi::host::ReplyMessageContext context) OVERRIDE;
     41   virtual int32_t GetAbsolutePath(ppapi::host::ReplyMessageContext context)
     42       OVERRIDE;
     43   virtual fileapi::FileSystemURL GetFileSystemURL() const OVERRIDE;
     44   virtual std::string GetFileSystemURLSpec() const OVERRIDE;
     45   virtual base::FilePath GetExternalPath() const OVERRIDE;
     46 
     47   virtual int32_t CanRead() const OVERRIDE;
     48   virtual int32_t CanWrite() const OVERRIDE;
     49   virtual int32_t CanCreate() const OVERRIDE;
     50   virtual int32_t CanReadWrite() const OVERRIDE;
     51 
     52  private:
     53   // Generic reply callback.
     54   void DidFinish(ppapi::host::ReplyMessageContext reply_context,
     55                  const IPC::Message& msg,
     56                  base::PlatformFileError error);
     57 
     58   // Operation specific callbacks.
     59   void GetMetadataComplete(
     60     ppapi::host::ReplyMessageContext reply_context,
     61     base::PlatformFileError error,
     62     const base::PlatformFileInfo& file_info);
     63 
     64   ppapi::host::PpapiHost* host_;
     65   base::FilePath path_;
     66   int render_process_id_;
     67 
     68   scoped_refptr<base::TaskRunner> task_runner_;
     69 
     70   base::WeakPtrFactory<PepperExternalFileRefBackend> weak_factory_;
     71 };
     72 
     73 }  // namespace content
     74 
     75 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_EXTERNAL_FILE_REF_BACKEND_H_
     76