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 PPAPI_PROXY_FILE_REF_RESOURCE_H_ 6 #define PPAPI_PROXY_FILE_REF_RESOURCE_H_ 7 8 #include <string> 9 10 #include "base/basictypes.h" 11 #include "base/memory/scoped_ptr.h" 12 #include "ppapi/c/pp_instance.h" 13 #include "ppapi/c/pp_resource.h" 14 #include "ppapi/c/pp_time.h" 15 #include "ppapi/proxy/plugin_resource.h" 16 #include "ppapi/proxy/ppapi_proxy_export.h" 17 #include "ppapi/shared_impl/file_ref_create_info.h" 18 #include "ppapi/shared_impl/scoped_pp_resource.h" 19 #include "ppapi/thunk/ppb_file_ref_api.h" 20 21 namespace ppapi { 22 class StringVar; 23 24 namespace proxy { 25 26 class PPAPI_PROXY_EXPORT FileRefResource 27 : public PluginResource, 28 public thunk::PPB_FileRef_API { 29 public: 30 static PP_Resource CreateFileRef(Connection connection, 31 PP_Instance instance, 32 const FileRefCreateInfo& info); 33 34 virtual ~FileRefResource(); 35 36 // Resource implementation. 37 virtual thunk::PPB_FileRef_API* AsPPB_FileRef_API() OVERRIDE; 38 39 // PPB_FileRef_API implementation. 40 virtual PP_FileSystemType GetFileSystemType() const OVERRIDE; 41 virtual PP_Var GetName() const OVERRIDE; 42 virtual PP_Var GetPath() const OVERRIDE; 43 virtual PP_Resource GetParent() OVERRIDE; 44 virtual int32_t MakeDirectory( 45 int32_t make_directory_flags, 46 scoped_refptr<TrackedCallback> callback) OVERRIDE; 47 virtual int32_t Touch(PP_Time last_access_time, 48 PP_Time last_modified_time, 49 scoped_refptr<TrackedCallback> callback) OVERRIDE; 50 virtual int32_t Delete(scoped_refptr<TrackedCallback> callback) OVERRIDE; 51 virtual int32_t Rename(PP_Resource new_file_ref, 52 scoped_refptr<TrackedCallback> callback) OVERRIDE; 53 virtual int32_t Query(PP_FileInfo* info, 54 scoped_refptr<TrackedCallback> callback) OVERRIDE; 55 virtual int32_t ReadDirectoryEntries( 56 const PP_ArrayOutput& output, 57 scoped_refptr<TrackedCallback> callback) OVERRIDE; 58 virtual const FileRefCreateInfo& GetCreateInfo() const OVERRIDE; 59 60 // Private API 61 virtual PP_Var GetAbsolutePath() OVERRIDE; 62 63 private: 64 FileRefResource(Connection connection, 65 PP_Instance instance, 66 const FileRefCreateInfo& info); 67 68 void RunTrackedCallback(scoped_refptr<TrackedCallback> callback, 69 const ResourceMessageReplyParams& params); 70 71 void OnQueryReply(PP_FileInfo* out_info, 72 scoped_refptr<TrackedCallback> callback, 73 const ResourceMessageReplyParams& params, 74 const PP_FileInfo& info); 75 76 void OnDirectoryEntriesReply( 77 const PP_ArrayOutput& output, 78 scoped_refptr<TrackedCallback> callback, 79 const ResourceMessageReplyParams& params, 80 const std::vector<ppapi::FileRefCreateInfo>& infos, 81 const std::vector<PP_FileType>& file_types); 82 83 bool uses_internal_paths() const; 84 85 // Populated after creation. 86 FileRefCreateInfo create_info_; 87 88 // Some file ref operations may fail if the the file system resource inside 89 // create_info_ is destroyed. Therefore, we explicitly hold a reference to 90 // the file system resource to make sure it outlives the file ref. 91 ScopedPPResource file_system_resource_; 92 93 scoped_refptr<StringVar> name_var_; 94 scoped_refptr<StringVar> path_var_; 95 scoped_refptr<StringVar> absolute_path_var_; 96 97 DISALLOW_COPY_AND_ASSIGN(FileRefResource); 98 }; 99 100 } // namespace proxy 101 } // namespace ppapi 102 103 #endif // PPAPI_PROXY_FILE_REF_RESOURCE_H_ 104
