content/renderer/pepper/pepper_file_system_host.h

   1 // Copyright (c) 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_RENDERER_PEPPER_PEPPER_FILE_SYSTEM_HOST_H_
   6 #define CONTENT_RENDERER_PEPPER_PEPPER_FILE_SYSTEM_HOST_H_
   7
   8 #include "base/basictypes.h"
   9 #include "base/memory/weak_ptr.h"
  10 #include "googleurl/src/gurl.h"
  11 #include "ppapi/c/pp_file_info.h"
  12 #include "ppapi/host/host_message_context.h"
  13 #include "ppapi/host/resource_host.h"
  14
  15 namespace content {
  16
  17 class RendererPpapiHost;
  18
  19 class PepperFileSystemHost :
  20     public ppapi::host::ResourceHost,
  21     public base::SupportsWeakPtr<PepperFileSystemHost> {
  22  public:
  23   PepperFileSystemHost(RendererPpapiHost* host,
  24                        PP_Instance instance,
  25                        PP_Resource resource,
  26                        PP_FileSystemType type);
  27   virtual ~PepperFileSystemHost();
  28
  29   // ppapi::host::ResourceHost override.
  30   virtual int32_t OnResourceMessageReceived(
  31       const IPC::Message& msg,
  32       ppapi::host::HostMessageContext* context) OVERRIDE;
  33
  34   // Supports FileRefs direct access on the host side.
  35   PP_FileSystemType GetType() const { return type_; }
  36   bool IsOpened() const { return opened_; }
  37   GURL GetRootUrl() const { return root_url_; }
  38
  39   // It's public only to allow PlatformCallbackAdaptor to access.
  40   void OpenFileSystemReply(int32_t pp_error,
  41                            const GURL& root);
  42
  43  private:
  44   int32_t OnHostMsgOpen(ppapi::host::HostMessageContext* context,
  45                         int64_t expected_size);
  46
  47   RendererPpapiHost* renderer_ppapi_host_;
  48   ppapi::host::ReplyMessageContext reply_context_;
  49   base::WeakPtrFactory<PepperFileSystemHost> weak_factory_;
  50
  51   PP_FileSystemType type_;
  52   bool opened_;  // whether open is successful.
  53   GURL root_url_;
  54   bool called_open_;  // whether open has been called.
  55
  56   DISALLOW_COPY_AND_ASSIGN(PepperFileSystemHost);
  57 };
  58
  59 }  // namespace content
  60
  61 #endif  // CONTENT_RENDERER_PEPPER_PEPPER_FILE_SYSTEM_HOST_H_