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      1 // Copyright (c) 2012 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_FLASH_FILE_MESSAGE_FILTER_H_
      6 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FLASH_FILE_MESSAGE_FILTER_H_
      7 
      8 #include "base/callback_forward.h"
      9 #include "base/compiler_specific.h"
     10 #include "base/files/file_path.h"
     11 #include "base/memory/ref_counted.h"
     12 #include "base/process/process.h"
     13 #include "ppapi/c/pp_instance.h"
     14 #include "ppapi/host/resource_host.h"
     15 #include "ppapi/host/resource_message_filter.h"
     16 
     17 namespace content {
     18 class BrowserPpapiHost;
     19 }
     20 
     21 namespace ppapi {
     22 class PepperFilePath;
     23 }
     24 
     25 namespace ppapi {
     26 namespace host {
     27 struct HostMessageContext;
     28 }
     29 }
     30 
     31 namespace content {
     32 
     33 class BrowserPpapiHost;
     34 
     35 // All file messages are handled by BrowserThread's blocking pool.
     36 class PepperFlashFileMessageFilter : public ppapi::host::ResourceMessageFilter {
     37  public:
     38   PepperFlashFileMessageFilter(PP_Instance instance, BrowserPpapiHost* host);
     39 
     40   static base::FilePath GetDataDirName(const base::FilePath& profile_path);
     41 
     42  private:
     43   typedef base::Callback<bool(int, const base::FilePath&)>
     44       CheckPermissionsCallback;
     45 
     46   virtual ~PepperFlashFileMessageFilter();
     47 
     48   // ppapi::host::ResourceMessageFilter overrides.
     49   virtual scoped_refptr<base::TaskRunner> OverrideTaskRunnerForMessage(
     50       const IPC::Message& msg) OVERRIDE;
     51   virtual int32_t OnResourceMessageReceived(
     52       const IPC::Message& msg,
     53       ppapi::host::HostMessageContext* context) OVERRIDE;
     54 
     55   int32_t OnOpenFile(ppapi::host::HostMessageContext* context,
     56                      const ppapi::PepperFilePath& path,
     57                      int pp_open_flags);
     58   int32_t OnRenameFile(ppapi::host::HostMessageContext* context,
     59                        const ppapi::PepperFilePath& from_path,
     60                        const ppapi::PepperFilePath& to_path);
     61   int32_t OnDeleteFileOrDir(ppapi::host::HostMessageContext* context,
     62                             const ppapi::PepperFilePath& path,
     63                             bool recursive);
     64   int32_t OnCreateDir(ppapi::host::HostMessageContext* context,
     65                       const ppapi::PepperFilePath& path);
     66   int32_t OnQueryFile(ppapi::host::HostMessageContext* context,
     67                       const ppapi::PepperFilePath& path);
     68   int32_t OnGetDirContents(ppapi::host::HostMessageContext* context,
     69                            const ppapi::PepperFilePath& path);
     70   int32_t OnCreateTemporaryFile(ppapi::host::HostMessageContext* context);
     71 
     72   base::FilePath ValidateAndConvertPepperFilePath(
     73       const ppapi::PepperFilePath& pepper_path,
     74       const CheckPermissionsCallback& check_permissions_callback) const;
     75 
     76   base::FilePath plugin_data_directory_;
     77   int render_process_id_;
     78   base::ProcessHandle plugin_process_handle_;
     79 
     80   DISALLOW_COPY_AND_ASSIGN(PepperFlashFileMessageFilter);
     81 };
     82 
     83 }  // namespace content
     84 
     85 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FLASH_FILE_MESSAGE_FILTER_H_
     86