File: ppp_pexe_stream_handler.idl

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/* Copyright 2014 The Chromium Authors
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

/* This file contains NaCl private interfaces. This interface is not versioned
 * and is for internal Chrome use. It may change without notice. */

#inline c
#include "ppapi/c/private/pp_file_handle.h"
#endinl

label Chrome {
  M25 = 1.0
};

interface PPP_PexeStreamHandler {
  /**
   * Invoked as a result of a cache hit for a translated pexe.
   */
  void DidCacheHit([inout] mem_t user_data,
                   [in] PP_FileHandle nexe_file_handle);

  /**
   * Invoked as a result of a cache miss for a translated pexe.
   * Provides the expected length of the pexe, as read from HTTP headers.
   */
  void DidCacheMiss([inout] mem_t user_data,
                    [in] int64_t expected_total_length,
                    [in] PP_FileHandle temp_nexe_file);

  /**
   * Invoked when a block of data has been downloaded.
   * Only invoked after DidCacheMiss().
   */
  void DidStreamData([inout] mem_t user_data,
                     [in] mem_t data,
                     [in] int32_t length);

  /**
   * Invoked when the stream has finished downloading, regardless of whether it
   * succeeded. Not invoked if DidCacheHit() was called.
   */
  void DidFinishStream([inout] mem_t user_data,
                       [in] int32_t pp_error);
};