| /* 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. |
| */ |
| |
| [generate_thunk] |
| |
| label Chrome { |
| M18 = 0.1 |
| }; |
| |
| /** |
| * Defines the callback type to receive device change notifications for |
| * <code>PPB_AudioInput_Dev.MonitorDeviceChange()</code> and |
| * <code>PPB_VideoCapture_Dev.MonitorDeviceChange()</code>. |
| * |
| * @param[inout] user_data The opaque pointer that the caller passed into |
| * <code>MonitorDeviceChange()</code>. |
| * @param[in] device_count How many devices in the array. |
| * @param[in] devices An array of <code>PPB_DeviceRef_Dev</code>. Please note |
| * that the ref count of the elements is not increased on behalf of the plugin. |
| */ |
| typedef void PP_MonitorDeviceChangeCallback( |
| [inout] mem_t user_data, |
| [in] uint32_t device_count, |
| [in, size_is(device_count)] PP_Resource[] devices); |
| |
| /** |
| * Device types. |
| */ |
| [assert_size(4)] |
| enum PP_DeviceType_Dev { |
| PP_DEVICETYPE_DEV_INVALID = 0, |
| PP_DEVICETYPE_DEV_AUDIOCAPTURE = 1, |
| PP_DEVICETYPE_DEV_VIDEOCAPTURE = 2, |
| PP_DEVICETYPE_DEV_AUDIOOUTPUT = 3, |
| PP_DEVICETYPE_DEV_MAX = PP_DEVICETYPE_DEV_AUDIOOUTPUT |
| }; |
| |
| 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. |
| */ |
| [on_failure=PP_DEVICETYPE_DEV_INVALID] |
| 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); |
| }; |