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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_FILE_SYSTEM_BROWSER_HOST_H_
      6 #define CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FILE_SYSTEM_BROWSER_HOST_H_
      7 
      8 #include "base/basictypes.h"
      9 #include "base/memory/weak_ptr.h"
     10 #include "ppapi/c/pp_file_info.h"
     11 #include "ppapi/host/host_message_context.h"
     12 #include "ppapi/host/resource_host.h"
     13 #include "url/gurl.h"
     14 #include "webkit/browser/fileapi/file_system_context.h"
     15 #include "webkit/common/fileapi/file_system_types.h"
     16 
     17 namespace content {
     18 
     19 class BrowserPpapiHost;
     20 
     21 class PepperFileSystemBrowserHost :
     22     public ppapi::host::ResourceHost,
     23     public base::SupportsWeakPtr<PepperFileSystemBrowserHost> {
     24  public:
     25   PepperFileSystemBrowserHost(BrowserPpapiHost* host,
     26                               PP_Instance instance,
     27                               PP_Resource resource,
     28                               PP_FileSystemType type);
     29   virtual ~PepperFileSystemBrowserHost();
     30 
     31   // ppapi::host::ResourceHost override.
     32   virtual int32_t OnResourceMessageReceived(
     33       const IPC::Message& msg,
     34       ppapi::host::HostMessageContext* context) OVERRIDE;
     35   virtual bool IsFileSystemHost() OVERRIDE;
     36 
     37   // Supports FileRefs direct access on the host side.
     38   PP_FileSystemType GetType() const { return type_; }
     39   bool IsOpened() const { return opened_; }
     40   GURL GetRootUrl() const { return root_url_; }
     41   scoped_refptr<fileapi::FileSystemContext> GetFileSystemContext() const {
     42     return fs_context_;
     43   }
     44 
     45  private:
     46   void GotFileSystemContext(
     47       ppapi::host::ReplyMessageContext reply_context,
     48       fileapi::FileSystemType file_system_type,
     49       scoped_refptr<fileapi::FileSystemContext> fs_context);
     50   void OpenFileSystemComplete(
     51       ppapi::host::ReplyMessageContext reply_context,
     52       base::PlatformFileError error,
     53       const std::string& name,
     54       const GURL& root);
     55 
     56   int32_t OnHostMsgOpen(ppapi::host::HostMessageContext* context,
     57                         int64_t expected_size);
     58   int32_t OnHostMsgInitIsolatedFileSystem(
     59       ppapi::host::HostMessageContext* context,
     60       const std::string& fsid);
     61 
     62   BrowserPpapiHost* browser_ppapi_host_;
     63   base::WeakPtrFactory<PepperFileSystemBrowserHost> weak_factory_;
     64 
     65   PP_FileSystemType type_;
     66   bool opened_;  // whether open is successful.
     67   GURL root_url_;
     68   scoped_refptr<fileapi::FileSystemContext> fs_context_;
     69   bool called_open_;  // whether open has been called.
     70 
     71   DISALLOW_COPY_AND_ASSIGN(PepperFileSystemBrowserHost);
     72 };
     73 
     74 }  // namespace content
     75 
     76 #endif  // CONTENT_BROWSER_RENDERER_HOST_PEPPER_PEPPER_FILE_SYSTEM_BROWSER_HOST_H_
     77