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 <string> 9 10 #include "base/basictypes.h" 11 #include "base/memory/weak_ptr.h" 12 #include "ppapi/c/pp_file_info.h" 13 #include "ppapi/c/private/ppb_isolated_file_system_private.h" 14 #include "ppapi/host/host_message_context.h" 15 #include "ppapi/host/resource_host.h" 16 #include "url/gurl.h" 17 18 namespace content { 19 20 class RendererPpapiHost; 21 22 class PepperFileSystemHost 23 : public ppapi::host::ResourceHost, 24 public base::SupportsWeakPtr<PepperFileSystemHost> { 25 public: 26 // Creates a new PepperFileSystemHost for a file system of a given |type|. The 27 // host will not be connected to any specific file system, and will need to 28 // subsequently be opened before use. 29 PepperFileSystemHost(RendererPpapiHost* host, 30 PP_Instance instance, 31 PP_Resource resource, 32 PP_FileSystemType type); 33 // Creates a new PepperFileSystemHost with an existing file system at the 34 // given |root_url| and of the given |type|. The file system must already be 35 // opened. Once created, the PepperFileSystemHost is already opened for use. 36 PepperFileSystemHost(RendererPpapiHost* host, 37 PP_Instance instance, 38 PP_Resource resource, 39 const GURL& root_url, 40 PP_FileSystemType type); 41 virtual ~PepperFileSystemHost(); 42 43 // ppapi::host::ResourceHost override. 44 virtual int32_t OnResourceMessageReceived( 45 const IPC::Message& msg, 46 ppapi::host::HostMessageContext* context) OVERRIDE; 47 virtual bool IsFileSystemHost() OVERRIDE; 48 49 // Supports FileRefs direct access on the host side. 50 PP_FileSystemType GetType() const { return type_; } 51 bool IsOpened() const { return opened_; } 52 GURL GetRootUrl() const { return root_url_; } 53 54 private: 55 // Callback for OpenFileSystem. 56 void DidOpenFileSystem(const std::string& name_unused, const GURL& root); 57 void DidFailOpenFileSystem(base::PlatformFileError error); 58 59 int32_t OnHostMsgOpen(ppapi::host::HostMessageContext* context, 60 int64_t expected_size); 61 int32_t OnHostMsgInitIsolatedFileSystem( 62 ppapi::host::HostMessageContext* context, 63 const std::string& fsid, 64 PP_IsolatedFileSystemType_Private type); 65 66 RendererPpapiHost* renderer_ppapi_host_; 67 ppapi::host::ReplyMessageContext reply_context_; 68 69 PP_FileSystemType type_; 70 bool opened_; // whether open is successful. 71 GURL root_url_; 72 bool called_open_; // whether open has been called. 73 74 base::WeakPtrFactory<PepperFileSystemHost> weak_factory_; 75 76 DISALLOW_COPY_AND_ASSIGN(PepperFileSystemHost); 77 }; 78 79 } // namespace content 80 81 #endif // CONTENT_RENDERER_PEPPER_PEPPER_FILE_SYSTEM_HOST_H_ 82
