ppapi/api/dev/ppb_device_ref_dev.idl

/* Copyright (c) 2012 The Chromium Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

/**
 * This file defines the <code>PPB_DeviceRef_Dev</code> interface.
 */
label Chrome {
  M18 = 0.1
};

/**
 * Device types.
 */
[assert_size(4)]
enum PP_DeviceType_Dev {
  PP_DEVICETYPE_DEV_INVALID = 0,
  PP_DEVICETYPE_DEV_AUDIOCAPTURE = 1,
  PP_DEVICETYPE_DEV_VIDEOCAPTURE = 2
};

interface PPB_DeviceRef_Dev {
  /**
   * Determines if the provided resource is a device reference.
   *
   * @param[in] resource A <code>PP_Resource</code> corresponding to a generic
   * resource.
   *
   * @return A <code>PP_Bool</code> that is <code>PP_TRUE</code> if the given
   * resource is a device reference, otherwise <code>PP_FALSE</code>.
   */
  PP_Bool IsDeviceRef([in] PP_Resource resource);

  /**
   * Gets the device type.
   *
   * @param[in] device_ref A <code>PP_Resource</code> corresponding to a device
   * reference.
   *
   * @return A <code>PP_DeviceType_Dev</code> value.
   */
  PP_DeviceType_Dev GetType([in] PP_Resource device_ref);

  /**
   * Gets the device name.
   *
   * @param[in] device_ref A <code>PP_Resource</code> corresponding to a device
   * reference.
   *
   * @return A <code>PP_Var</code> of type <code>PP_VARTYPE_STRING</code>
   * containing the name of the device if successful; a <code>PP_Var</code> of
   * type <code>PP_VARTYPE_UNDEFINED</code> if failed.
   */
  PP_Var GetName([in] PP_Resource device_ref);
};