ppapi/api/dev/ppb_var_resource_dev.idl

   1 /* Copyright 2013 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_VarResource</code> struct providing
   8  * a way to interact with resource vars.
   9  */
  10
  11 label Chrome {
  12   M32 = 0.1
  13 };
  14
  15 [macro="PPB_VAR_RESOURCE_DEV_INTERFACE"]
  16 interface PPB_VarResource_Dev {
  17   /**
  18    * Converts a resource-type var to a <code>PP_Resource</code>.
  19    *
  20    * @param[in] var A <code>PP_Var</code> struct containing a resource-type var.
  21    *
  22    * @return A <code>PP_Resource</code> retrieved from the var, or 0 if the var
  23    * is not a resource. The reference count of the resource is incremented on
  24    * behalf of the caller.
  25    */
  26   PP_Resource VarToResource([in] PP_Var var);
  27
  28   /**
  29    * Creates a new <code>PP_Var</code> from a given resource.
  30    *
  31    * @param[in] resource A <code>PP_Resource</code> to be wrapped in a var.
  32    *
  33    * @return A <code>PP_Var</code> created for this resource, with type
  34    * <code>PP_VARTYPE_RESOURCE</code>. The reference count of the var is set to
  35    * 1 on behalf of the caller.
  36    */
  37   PP_Var VarFromResource([in] PP_Resource resource);
  38 };