IOHIDReportElementQueue.cpp   [plain text]

/*
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 * Copyright (c) 2020 Apple Computer, Inc.  All Rights Reserved.
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 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
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 * file.
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#include <IOKit/system.h>
#include <IOKit/IOLib.h>
#include <AssertMacros.h>
#include "IOHIDDebug.h"
#include "IOHIDReportElementQueue.h"

#define super IOHIDEventQueue

OSDefineMetaClassAndStructors(IOHIDReportElementQueue, super)

IOHIDReportElementQueue *IOHIDReportElementQueue::withCapacity(UInt32 size, IOHIDLibUserClient *client)
{
    IOHIDReportElementQueue *queue = new IOHIDReportElementQueue;
    if (queue) {
        queue->fClient = client;
    }

    if (size < HID_QUEUE_CAPACITY_MIN) {
        size = HID_QUEUE_CAPACITY_MIN;
    }

    if (size > HID_QUEUE_CAPACITY_MAX_ENTITLED) {
        size = HID_QUEUE_CAPACITY_MAX_ENTITLED;
    }

    if (queue && !queue->initWithCapacity(size)) {
        queue->release();
        queue = NULL;
    }

    return queue;
}

Boolean IOHIDReportElementQueue::enqueue(IOHIDElementValue *value)
{
    return (fClient->processElement(value, this) == kIOReturnSuccess);
}

Boolean IOHIDReportElementQueue::enqueue(void *data, UInt32 dataSize)
{
    return super::enqueue(data, dataSize);
}