[Pepper] Wire up append mode writing support of FileIO

ppapi/proxy/ppapi_messages.h

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 // Multiply-included message header, no traditional include guard.
 #include <map>
 #include <string>
 #include <vector>
 
 #include "base/basictypes.h"
@@ skipping 41 matching lines @@
 #include "ppapi/proxy/host_resolver_private_resource.h"
 #include "ppapi/proxy/network_list_resource.h"
 #include "ppapi/proxy/ppapi_param_traits.h"
 #include "ppapi/proxy/ppapi_proxy_export.h"
 #include "ppapi/proxy/resource_message_params.h"
 #include "ppapi/proxy/serialized_flash_menu.h"
 #include "ppapi/proxy/serialized_handle.h"
 #include "ppapi/proxy/serialized_structs.h"
 #include "ppapi/proxy/serialized_var.h"
 #include "ppapi/shared_impl/dir_contents.h"
+#include "ppapi/shared_impl/file_growth.h"
 #include "ppapi/shared_impl/file_path.h"
 #include "ppapi/shared_impl/file_ref_create_info.h"
 #include "ppapi/shared_impl/ppapi_nacl_channel_args.h"
 #include "ppapi/shared_impl/ppapi_preferences.h"
 #include "ppapi/shared_impl/ppb_device_ref_shared.h"
 #include "ppapi/shared_impl/ppb_input_event_shared.h"
 #include "ppapi/shared_impl/ppb_tcp_socket_shared.h"
 #include "ppapi/shared_impl/ppb_view_shared.h"
 #include "ppapi/shared_impl/ppp_flash_browser_operations_shared.h"
 #include "ppapi/shared_impl/private/ppb_x509_certificate_private_shared.h"
@@ skipping 131 matching lines @@
 
 IPC_STRUCT_TRAITS_BEGIN(PP_FileInfo)
   IPC_STRUCT_TRAITS_MEMBER(size)
   IPC_STRUCT_TRAITS_MEMBER(type)
   IPC_STRUCT_TRAITS_MEMBER(system_type)
   IPC_STRUCT_TRAITS_MEMBER(creation_time)
   IPC_STRUCT_TRAITS_MEMBER(last_access_time)
   IPC_STRUCT_TRAITS_MEMBER(last_modified_time)
 IPC_STRUCT_TRAITS_END()
 
+IPC_STRUCT_TRAITS_BEGIN(ppapi::FileGrowth)
+  IPC_STRUCT_TRAITS_MEMBER(max_written_offset)
+  IPC_STRUCT_TRAITS_MEMBER(append_mode_write_amount)
+IPC_STRUCT_TRAITS_END()
+
 IPC_STRUCT_TRAITS_BEGIN(ppapi::DeviceRefData)
   IPC_STRUCT_TRAITS_MEMBER(type)
   IPC_STRUCT_TRAITS_MEMBER(name)
   IPC_STRUCT_TRAITS_MEMBER(id)
 IPC_STRUCT_TRAITS_END()
 
 IPC_STRUCT_TRAITS_BEGIN(ppapi::DirEntry)
   IPC_STRUCT_TRAITS_MEMBER(name)
   IPC_STRUCT_TRAITS_MEMBER(is_dir)
 IPC_STRUCT_TRAITS_END()
@@ skipping 1000 matching lines @@
 
 // FileIO
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_FileIO_Create)
 IPC_MESSAGE_CONTROL2(PpapiHostMsg_FileIO_Open,
                      PP_Resource /* file_ref_resource */,
                      int32_t /* open_flags */)
 IPC_MESSAGE_CONTROL2(PpapiPluginMsg_FileIO_OpenReply,
                      PP_Resource /* quota_file_system */,
                      int64_t /* max_written_offset */)
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_FileIO_Close,
-                     int64_t /* max_written_offset */)
+                     ppapi::FileGrowth /* file_growth */)
 IPC_MESSAGE_CONTROL2(PpapiHostMsg_FileIO_Touch,
                      PP_Time /* last_access_time */,
                      PP_Time /* last_modified_time */)
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_FileIO_SetLength,
                      int64_t /* length */)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_FileIO_Flush)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_FileIO_RequestOSFileHandle)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_FileIO_RequestOSFileHandleReply)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_FileIO_GeneralReply)
 
@@ skipping 68 matching lines @@
 // Passed from renderer to browser. Creates an already-open file system with a
 // given |root_url| and |file_system_type|.
 IPC_MESSAGE_CONTROL2(PpapiHostMsg_FileSystem_CreateFromRenderer,
                      std::string /* root_url */,
                      PP_FileSystemType /* file_system_type */)
 // Nested within a ResourceVar for file systems being passed from the renderer
 // to the plugin. Creates an already-open file system resource on the plugin,
 // linked to the existing resource host given in the ResourceVar.
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_FileSystem_CreateFromPendingHost,
                      PP_FileSystemType /* file_system_type */)
-// IPC_MESSAGE macros choke on extra , in the std::map, when expanding. We need
-// to typedef it to avoid that.
-typedef std::map<int32_t, int64_t> FileOffsetMap;
 IPC_MESSAGE_CONTROL2(PpapiHostMsg_FileSystem_ReserveQuota,
                      int64_t /* amount */,
-                     FileOffsetMap /* max_written_offsets */)
+                     ppapi::FileGrowthMap /* file_growths */)
 IPC_MESSAGE_CONTROL2(PpapiPluginMsg_FileSystem_ReserveQuotaReply,
                      int64_t /* amount */,
-                     FileOffsetMap /* max_written_offsets */)
+                     ppapi::FileSizeMap /* max_written_offsets */)

[bbudge, 2014/01/22 20:47:27]

I'm wondering if we should now call this 'file_sizes', both here and in the host
and resource code.

[tzik, 2014/01/23 08:42:54]

Done.

 
 // Flash DRM ------------------------------------------------------------------
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_FlashDRM_Create)
 
 // Requests the device ID.
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_FlashDRM_GetDeviceID)
 // Reply for GetDeviceID which includes the device ID as a string.
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_FlashDRM_GetDeviceIDReply,
                      std::string /* id */)
 
@@ skipping 688 matching lines @@
 IPC_MESSAGE_CONTROL1(PpapiHostMsg_Talk_RequestPermission,
                      PP_TalkPermission /* permission */)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_Talk_RequestPermissionReply)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Talk_StartRemoting)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_Talk_StartRemotingReply)
 IPC_MESSAGE_CONTROL0(PpapiHostMsg_Talk_StopRemoting)
 IPC_MESSAGE_CONTROL0(PpapiPluginMsg_Talk_StopRemotingReply)
 IPC_MESSAGE_CONTROL1(PpapiPluginMsg_Talk_NotifyEvent, PP_TalkEvent /* event */)
 
 #endif  // !defined(OS_NACL) && !defined(NACL_WIN64)