ppapi/api/trusted/ppb_url_loader_trusted.idl

   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
   6 /* URL loader trusted interfaces. */
   7
   8 [generate_thunk]
   9
  10 label Chrome {
  11   M14 = 0.3
  12 };
  13
  14 /**
  15  * Callback that indicates the status of the download and upload for the
  16  * given URLLoader resource.
  17  */
  18 typedef void PP_URLLoaderTrusted_StatusCallback(
  19       [in] PP_Instance pp_instance,
  20       [in] PP_Resource pp_resource,
  21       [in] int64_t bytes_sent,
  22       [in] int64_t total_bytes_to_be_sent,
  23       [in] int64_t bytes_received,
  24       [in] int64_t total_bytes_to_be_received);
  25
  26 /* Available only to trusted implementations. */
  27 interface PPB_URLLoaderTrusted {
  28   /**
  29    * Grant this URLLoader the capability to make unrestricted cross-origin
  30    * requests.
  31    */
  32   void GrantUniversalAccess([in] PP_Resource loader);
  33
  34   /**
  35    * Registers that the given function will be called when the upload or
  36    * downloaded byte count has changed. This is not exposed on the untrusted
  37    * interface because it can be quite chatty and encourages people to write
  38    * feedback UIs that update as frequently as the progress updates.
  39    *
  40    * The other serious gotcha with this callback is that the callback must not
  41    * mutate the URL loader or cause it to be destroyed.
  42    *
  43    * However, the proxy layer needs this information to push to the other
  44    * process, so we expose it here. Only one callback can be set per URL
  45    * Loader. Setting to a NULL callback will disable it.
  46    */
  47   void RegisterStatusCallback(
  48       [in] PP_Resource loader,
  49       [in] PP_URLLoaderTrusted_StatusCallback cb);
  50 };
  51