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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_COMMON_FILEAPI_FILE_SYSTEM_DISPATCHER_H_ | |
| 6 #define CONTENT_COMMON_FILEAPI_FILE_SYSTEM_DISPATCHER_H_ | |
| 7 | |
| 8 #include <string> | |
| 9 #include <vector> | |
| 10 | |
| 11 #include "base/basictypes.h" | |
| 12 #include "base/callback_forward.h" | |
| 13 #include "base/id_map.h" | |
| 14 #include "base/process.h" | |
| 15 #include "ipc/ipc_listener.h" | |
| 16 #include "ipc/ipc_platform_file.h" | |
| 17 #include "webkit/common/fileapi/file_system_types.h" | |
| 18 #include "webkit/common/quota/quota_types.h" | |
| 19 | |
| 20 namespace base { | |
| 21 class FilePath; | |
| 22 struct PlatformFileInfo; | |
| 23 } | |
| 24 | |
| 25 namespace fileapi { | |
| 26 struct DirectoryEntry; | |
| 27 } | |
| 28 | |
| 29 class GURL; | |
| 30 | |
| 31 namespace content { | |
| 32 | |
| 33 // Dispatches and sends file system related messages sent to/from a child | |
| 34 // process from/to the main browser process. There is one instance | |
| 35 // per child process. Messages are dispatched on the main child thread. | |
| 36 class FileSystemDispatcher : public IPC::Listener { | |
| 37 public: | |
| 38 typedef base::Callback<void(base::PlatformFileError error)> StatusCallback; | |
| 39 typedef base::Callback<void( | |
| 40 const base::PlatformFileInfo& file_info, | |
| 41 const base::FilePath& platform_path)> MetadataCallback; | |
| 42 typedef MetadataCallback CreateSnapshotFileCallback; | |
| 43 typedef base::Callback<void( | |
| 44 const std::vector<fileapi::DirectoryEntry>& entries, | |
| 45 bool has_more)> ReadDirectoryCallback; | |
| 46 typedef base::Callback<void( | |
| 47 const std::string& name, | |
| 48 const GURL& root)> OpenFileSystemCallback; | |
| 49 typedef base::Callback<void( | |
| 50 int64 bytes, | |
| 51 bool complete)> WriteCallback; | |
| 52 typedef base::Callback<void( | |
| 53 base::PlatformFile file, | |
| 54 int file_open_id, | |
| 55 quota::QuotaLimitType quota_policy)> OpenFileCallback; | |
| 56 | |
| 57 FileSystemDispatcher(); | |
| 58 virtual ~FileSystemDispatcher(); | |
| 59 | |
| 60 // IPC::Listener implementation. | |
| 61 virtual bool OnMessageReceived(const IPC::Message& msg) OVERRIDE; | |
| 62 | |
| 63 bool OpenFileSystem(const GURL& origin_url, | |
| 64 fileapi::FileSystemType type, | |
| 65 long long size, | |
| 66 bool create, | |
| 67 const OpenFileSystemCallback& success_callback, | |
| 68 const StatusCallback& error_callback); | |
| 69 bool DeleteFileSystem(const GURL& origin_url, | |
| 70 fileapi::FileSystemType type, | |
| 71 const StatusCallback& callback); | |
| 72 bool Move(const GURL& src_path, | |
| 73 const GURL& dest_path, | |
| 74 const StatusCallback& callback); | |
| 75 bool Copy(const GURL& src_path, | |
| 76 const GURL& dest_path, | |
| 77 const StatusCallback& callback); | |
| 78 bool Remove(const GURL& path, | |
| 79 bool recursive, | |
| 80 const StatusCallback& callback); | |
| 81 bool ReadMetadata(const GURL& path, | |
| 82 const MetadataCallback& success_callback, | |
| 83 const StatusCallback& error_callback); | |
| 84 bool Create(const GURL& path, | |
| 85 bool exclusive, | |
| 86 bool is_directory, | |
| 87 bool recursive, | |
| 88 const StatusCallback& callback); | |
| 89 bool Exists(const GURL& path, | |
| 90 bool for_directory, | |
| 91 const StatusCallback& callback); | |
| 92 bool ReadDirectory(const GURL& path, | |
| 93 const ReadDirectoryCallback& success_callback, | |
| 94 const StatusCallback& error_callback); | |
| 95 bool Truncate(const GURL& path, | |
| 96 int64 offset, | |
| 97 int* request_id_out, | |
| 98 const StatusCallback& callback); | |
| 99 bool Write(const GURL& path, | |
| 100 const GURL& blob_url, | |
| 101 int64 offset, | |
| 102 int* request_id_out, | |
| 103 const WriteCallback& success_callback, | |
| 104 const StatusCallback& error_callback); | |
| 105 bool Cancel(int request_id_to_cancel, | |
| 106 const StatusCallback& callback); | |
| 107 bool TouchFile(const GURL& file_path, | |
| 108 const base::Time& last_access_time, | |
| 109 const base::Time& last_modified_time, | |
| 110 const StatusCallback& callback); | |
| 111 | |
| 112 // This returns a raw open PlatformFile, unlike the above, which are | |
| 113 // self-contained operations. | |
| 114 bool OpenFile(const GURL& file_path, | |
| 115 int file_flags, // passed to FileUtilProxy::CreateOrOpen | |
| 116 const OpenFileCallback& success_callback, | |
| 117 const StatusCallback& error_callback); | |
| 118 // This must be paired with OpenFile, and called after finished using the | |
| 119 // raw PlatformFile returned from OpenFile. | |
| 120 bool NotifyCloseFile(int file_open_id); | |
| 121 | |
| 122 bool CreateSnapshotFile(const GURL& file_path, | |
| 123 const CreateSnapshotFileCallback& success_callback, | |
| 124 const StatusCallback& error_callback); | |
| 125 | |
| 126 private: | |
| 127 class CallbackDispatcher; | |
| 128 | |
| 129 // Message handlers. | |
| 130 void OnDidOpenFileSystem(int request_id, | |
| 131 const std::string& name, | |
| 132 const GURL& root); | |
| 133 void OnDidSucceed(int request_id); | |
| 134 void OnDidReadMetadata(int request_id, | |
| 135 const base::PlatformFileInfo& file_info, | |
| 136 const base::FilePath& platform_path); | |
| 137 void OnDidCreateSnapshotFile(int request_id, | |
| 138 const base::PlatformFileInfo& file_info, | |
| 139 const base::FilePath& platform_path); | |
| 140 void OnDidReadDirectory(int request_id, | |
| 141 const std::vector<fileapi::DirectoryEntry>& entries, | |
| 142 bool has_more); | |
| 143 void OnDidFail(int request_id, base::PlatformFileError error_code); | |
| 144 void OnDidWrite(int request_id, int64 bytes, bool complete); | |
| 145 void OnDidOpenFile( | |
| 146 int request_id, | |
| 147 IPC::PlatformFileForTransit file, | |
| 148 int file_open_id, | |
| 149 quota::QuotaLimitType quota_policy); | |
| 150 | |
| 151 IDMap<CallbackDispatcher, IDMapOwnPointer> dispatchers_; | |
| 152 | |
| 153 DISALLOW_COPY_AND_ASSIGN(FileSystemDispatcher); | |
| 154 }; | |
| 155 | |
| 156 } // namespace content | |
| 157 | |
| 158 #endif // CONTENT_COMMON_FILEAPI_FILE_SYSTEM_DISPATCHER_H_ | |
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Chromium Code Reviews
Issue 16328003:
Move a bunch of child-only code from content/common to content/child (Closed)
Base URL: svn://svn.chromium.org/chrome/trunk/src