/* 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.
*/
/* From dev/ppb_device_ref_dev.idl modified Wed Nov 07 13:28:37 2012. */
#ifndef PPAPI_C_DEV_PPB_DEVICE_REF_DEV_H_
#define PPAPI_C_DEV_PPB_DEVICE_REF_DEV_H_
#include "ppapi/c/pp_bool.h"
#include "ppapi/c/pp_macros.h"
#include "ppapi/c/pp_resource.h"
#include "ppapi/c/pp_stdint.h"
#include "ppapi/c/pp_var.h"
#define PPB_DEVICEREF_DEV_INTERFACE_0_1 "PPB_DeviceRef(Dev);0.1"
#define PPB_DEVICEREF_DEV_INTERFACE PPB_DEVICEREF_DEV_INTERFACE_0_1
/**
* @file
* This file defines the <code>PPB_DeviceRef_Dev</code> interface.
*/
/**
* @addtogroup Typedefs
* @{
*/
/**
* 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)(void* user_data,
uint32_t device_count,
const PP_Resource devices[]);
/**
* @}
*/
/**
* @addtogroup Enums
* @{
*/
/**
* Device types.
*/
typedef enum {
PP_DEVICETYPE_DEV_INVALID = 0,
PP_DEVICETYPE_DEV_AUDIOCAPTURE = 1,
PP_DEVICETYPE_DEV_VIDEOCAPTURE = 2
} PP_DeviceType_Dev;
PP_COMPILE_ASSERT_SIZE_IN_BYTES(PP_DeviceType_Dev, 4);
/**
* @}
*/
/**
* @addtogroup Interfaces
* @{
*/
struct PPB_DeviceRef_Dev_0_1 {
/**
* 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)(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)(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.
*/
struct PP_Var (*GetName)(PP_Resource device_ref);
};
typedef struct PPB_DeviceRef_Dev_0_1 PPB_DeviceRef_Dev;
/**
* @}
*/
#endif /* PPAPI_C_DEV_PPB_DEVICE_REF_DEV_H_ */