components/translate/content/common/data_file_cld_data_provider_messages.h

   1 // Copyright 2014 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 // Multiply-included message file, hence no include guard.
   6
   7 #include "ipc/ipc_message_macros.h"
   8 #include "ipc/ipc_message_utils.h"
   9 #include "ipc/ipc_platform_file.h"
  10
  11 // Note, for clean abstraction there is only one "CldDataProviderMessageStart"
  12 // that is declared in ipc_message_start.h. All implementations share it,
  13 // which avoids the need for each implementation to make its own entry.
  14 // This would otherwise be very messy, as there is no mechanism to customize
  15 // or extend the IPCMessageStart enum.
  16 #define IPC_MESSAGE_START CldDataProviderMsgStart
  17
  18 // Informs the browser process that Compact Language Detector (CLD) data is
  19 // needed in the form of a data file.
  20 // This message is sent by a DataFileRendererCldDataProvider to a
  21 // DataFileBrowserCldDataProvider.
  22 IPC_MESSAGE_ROUTED0(ChromeViewHostMsg_NeedCldDataFile)
  23
  24 // Informs the renderer process that Compact Language Detector (CLD) data is
  25 // available and provides an IPC::PlatformFileForTransit obtained from
  26 // IPC::GetFileHandleForProcess(...)
  27 // This message is sent by a DataFileBrowserCldDataProvider to a
  28 // DataFileRendererCldDataProvider.
  29 IPC_MESSAGE_ROUTED3(ChromeViewMsg_CldDataFileAvailable,
  30                     IPC::PlatformFileForTransit /* ipc_file_handle */,
  31                     uint64 /* data_offset */,
  32                     uint64 /* data_length */)