ppapi/api/ppb_url_response_info.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 /**
   7  * This file defines the <code>PPB_URLResponseInfo</code> API for examining URL
   8  * responses.
   9  */
  10
  11 [generate_thunk]
  12
  13 label Chrome {
  14   M14 = 1.0
  15 };
  16
  17 /**
  18  * This enumeration contains properties set on a URL response.
  19  */
  20 [assert_size(4)]
  21 enum PP_URLResponseProperty {
  22   /**
  23    * This corresponds to a string (PP_VARTYPE_STRING); an absolute URL formed by
  24    * resolving the relative request URL with the absolute document URL. Refer
  25    * to the
  26    * <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec5.html#sec5.1.2">
  27    * HTTP Request URI</a> and
  28    * <a href="http://www.w3.org/TR/html4/struct/links.html#h-12.4.1">
  29    * HTML Resolving Relative URIs</a> documentation for further information.
  30    */
  31   PP_URLRESPONSEPROPERTY_URL = 0,
  32
  33   /**
  34    * This corresponds to a string (PP_VARTYPE_STRING); the absolute URL returned
  35    * in the response header's 'Location' field if this is a redirect response,
  36    * an empty string otherwise. Refer to the
  37    * <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3">
  38    * HTTP Status Codes - Redirection</a> documentation for further information.
  39    */
  40   PP_URLRESPONSEPROPERTY_REDIRECTURL = 1,
  41
  42   /**
  43    * This corresponds to a string (PP_VARTYPE_STRING); the HTTP method to be
  44    * used in a new request if this is a redirect response, an empty string
  45    * otherwise. Refer to the
  46    * <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html#sec10.3">
  47    * HTTP Status Codes - Redirection</a> documentation for further information.
  48    */
  49   PP_URLRESPONSEPROPERTY_REDIRECTMETHOD = 2,
  50
  51   /**
  52    * This corresponds to an int32 (PP_VARETYPE_INT32); the status code from the
  53    * response, e.g., 200 if the request was successful. Refer to the
  54    * <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec6.html#sec6.1.1">
  55    * HTTP Status Code and Reason Phrase</a> documentation for further
  56    * information.
  57    */
  58   PP_URLRESPONSEPROPERTY_STATUSCODE = 3,
  59
  60   /**
  61    * This corresponds to a string (PP_VARTYPE_STRING); the status line
  62    * from the response. Refer to the
  63    * <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec6.html#sec6.1">
  64    * HTTP Response Status Line</a> documentation for further information.
  65    */
  66   PP_URLRESPONSEPROPERTY_STATUSLINE = 4,
  67
  68   /**
  69    * This corresponds to a string(PP_VARTYPE_STRING), a \n-delimited list of
  70    * header field/value pairs of the form "field: value", returned by the
  71    * server. Refer to the
  72    * <a href="http://www.w3.org/Protocols/rfc2616/rfc2616-sec14.html#sec14">
  73    * HTTP Header Field Definitions</a> documentation for further information.
  74    */
  75   PP_URLRESPONSEPROPERTY_HEADERS = 5
  76 };
  77
  78
  79 /**
  80  * The PPB_URLResponseInfo interface contains APIs for
  81  * examining URL responses. Refer to <code>PPB_URLLoader</code> for further
  82  * information.
  83  */
  84 interface PPB_URLResponseInfo {
  85   /**
  86    * IsURLResponseInfo() determines if a response is a
  87    * <code>URLResponseInfo</code>.
  88    *
  89    * @param[in] resource A <code>PP_Resource</code> corresponding to a
  90    * <code>URLResponseInfo</code>.
  91    *
  92    * @return <code>PP_TRUE</code> if the resource is a
  93    * <code>URLResponseInfo</code>, <code>PP_FALSE</code> if the resource is
  94    * invalid or some type other than <code>URLResponseInfo</code>.
  95    */
  96   PP_Bool IsURLResponseInfo(
  97       [in] PP_Resource resource);
  98
  99   /**
 100    * GetProperty() gets a response property.
 101    *
 102    * @param[in] request A <code>PP_Resource</code> corresponding to a
 103    * <code>URLResponseInfo</code>.
 104    * @param[in] property A <code>PP_URLResponseProperty</code> identifying
 105    * the type of property in the response.
 106    *
 107    * @return A <code>PP_Var</code> containing the response property value if
 108    * successful, <code>PP_VARTYPE_VOID</code> if an input parameter is invalid.
 109    */
 110   PP_Var GetProperty(
 111       [in] PP_Resource response,
 112       [in] PP_URLResponseProperty property);
 113
 114   /**
 115    * GetBodyAsFileRef() returns a FileRef pointing to the file containing the
 116    * response body.  This is only valid if
 117    * <code>PP_URLREQUESTPROPERTY_STREAMTOFILE</code> was set on the
 118    * <code>URLRequestInfo</code> used to produce this response.  This file
 119    * remains valid until the <code>URLLoader</code> associated with this
 120    * <code>URLResponseInfo</code> is closed or destroyed.
 121    *
 122    * @param[in] request A <code>PP_Resource</code> corresponding to a
 123    * <code>URLResponseInfo</code>.
 124    *
 125    * @return A <code>PP_Resource</code> corresponding to a <code>FileRef</code>
 126    * if successful, 0 if <code>PP_URLREQUESTPROPERTY_STREAMTOFILE</code> was
 127    * not requested or if the <code>URLLoader</code> has not been opened yet.
 128    */
 129   PP_Resource GetBodyAsFileRef(
 130       [in] PP_Resource response);
 131 };
 132