Return to IOHIDUserClient.cpp CVS log

Up to [Apple XNU] / XNU / iokit / Families / IOHIDSystem

Annotation of XNU/iokit/Families/IOHIDSystem/IOHIDUserClient.cpp, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * The contents of this file constitute Original Code as defined in and
        !             7:  * are subject to the Apple Public Source License Version 1.1 (the
        !             8:  * "License").  You may not use this file except in compliance with the
        !             9:  * License.  Please obtain a copy of the License at
        !            10:  * http://www.apple.com/publicsource and read it before using this file.
        !            11:  * 
        !            12:  * This Original Code and all software distributed under the License are
        !            13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            17:  * License for the specific language governing rights and limitations
        !            18:  * under the License.
        !            19:  * 
        !            20:  * @APPLE_LICENSE_HEADER_END@
        !            21:  */
        !            22: /*
        !            23:  * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved. 
        !            24:  *
        !            25:  * HISTORY
        !            26:  *
        !            27:  */
        !            28: 
        !            29: 
        !            30: #include <IOKit/IOLib.h>
        !            31: #include <libkern/c++/OSContainers.h>
        !            32: 
        !            33: #include "IOHIDUserClient.h"
        !            34: 
        !            35: 
        !            36: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            37: 
        !            38: #undef super
        !            39: #define super IOUserClient
        !            40: 
        !            41: OSDefineMetaClassAndStructors(IOHIDUserClient, IOUserClient)
        !            42: 
        !            43: OSDefineMetaClassAndStructors(IOHIDParamUserClient, IOUserClient)
        !            44: 
        !            45: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !            46: 
        !            47: bool IOHIDUserClient::start( IOService * _owner )
        !            48: {
        !            49:     static const IOExternalMethod methodTemplate[] = {
        !            50: /* 0 */  { NULL, NULL, kIOUCScalarIScalarO, 1, 0 },
        !            51: /* 1 */  { NULL, NULL, kIOUCScalarIScalarO, 1, 0 },
        !            52: /* 2 */  { NULL, NULL, kIOUCScalarIScalarO, 1, 0 },
        !            53: /* 3 */  { NULL, NULL, kIOUCStructIStructO, sizeof(struct evioLLEvent), 0 },
        !            54: /* 4 */  { NULL, NULL, kIOUCStructIStructO, sizeof(Point), 0 },
        !            55: /* 5 */  { NULL, NULL, kIOUCScalarIScalarO, 1, 1 }
        !            56:     };
        !            57: 
        !            58:     if( !super::start( _owner ))
        !            59:        return( false);
        !            60: 
        !            61:     owner = (IOHIDSystem *) _owner;
        !            62: 
        !            63:     bcopy( methodTemplate, externals, sizeof( methodTemplate ));
        !            64: 
        !            65:     externals[0].object = owner;
        !            66:     externals[0].func = (IOMethod) &IOHIDSystem::createShmem;
        !            67: 
        !            68:     externals[1].object = owner;
        !            69:     externals[1].func = (IOMethod) &IOHIDSystem::setEventsEnable;
        !            70: 
        !            71:     externals[2].object = owner;
        !            72:     externals[2].func = (IOMethod) &IOHIDSystem::setCursorEnable;
        !            73: 
        !            74:     externals[3].object = owner;
        !            75:     externals[3].func = (IOMethod) &IOHIDSystem::extPostEvent;
        !            76: 
        !            77:     externals[4].object = owner;
        !            78:     externals[4].func = (IOMethod) &IOHIDSystem::extSetMouseLocation;
        !            79: 
        !            80:     externals[5].object = owner;
        !            81:     externals[5].func = (IOMethod) &IOHIDSystem::extGetButtonEventNum;
        !            82: 
        !            83:     return( true );
        !            84: }
        !            85: 
        !            86: IOReturn IOHIDUserClient::clientClose( void )
        !            87: {
        !            88:     owner->evClose();
        !            89: #ifdef DEBUG
        !            90:     kprintf("%s: client token invalidated\n", getName());
        !            91: #endif
        !            92: 
        !            93:     owner->serverConnect = 0;
        !            94:     detach( owner);
        !            95: 
        !            96:     return( kIOReturnSuccess);
        !            97: }
        !            98: 
        !            99: IOService * IOHIDUserClient::getService( void )
        !           100: {
        !           101:     return( owner );
        !           102: }
        !           103: 
        !           104: IOReturn IOHIDUserClient::registerNotificationPort(
        !           105:                mach_port_t     port,
        !           106:                UInt32          type,
        !           107:                UInt32          refCon )
        !           108: {
        !           109:     if( type != kIOHIDEventNotification)
        !           110:        return( kIOReturnUnsupported);
        !           111: 
        !           112:     owner->setEventPort(port);
        !           113:     return( kIOReturnSuccess);
        !           114: }
        !           115: 
        !           116: IOReturn IOHIDUserClient::connectClient( IOUserClient * client )
        !           117: {
        !           118:     Bounds *           bounds;
        !           119:     IOGraphicsDevice * graphicsDevice;
        !           120: 
        !           121:     // yikes
        !           122:     if( 0 == (graphicsDevice = OSDynamicCast(IOGraphicsDevice,
        !           123:                                                client->getProvider())) )
        !           124:        return( kIOReturnBadArgument );
        !           125: 
        !           126:     graphicsDevice->getBoundingRect(&bounds);
        !           127: 
        !           128:     owner->registerScreen(graphicsDevice, bounds);
        !           129: 
        !           130:     return( kIOReturnSuccess);
        !           131: }
        !           132: 
        !           133: IOReturn IOHIDUserClient::clientMemoryForType( UInt32 type,
        !           134:         UInt32 * flags, IOMemoryDescriptor ** memory )
        !           135: {
        !           136: 
        !           137:     if( type != kIOHIDGlobalMemory)
        !           138:        return( kIOReturnBadArgument);
        !           139: 
        !           140:     *flags = 0;
        !           141:     owner->globalMemory->retain();
        !           142:     *memory = owner->globalMemory;
        !           143: 
        !           144:     return( kIOReturnSuccess);
        !           145: }
        !           146: 
        !           147: IOExternalMethod * IOHIDUserClient::getExternalMethodForIndex( UInt32 index )
        !           148: {
        !           149:     if( index < (sizeof( externals) / sizeof( externals[0])))
        !           150:        return( externals + index);
        !           151:     else
        !           152:        return( NULL);
        !           153: }
        !           154: 
        !           155: /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
        !           156: 
        !           157: bool IOHIDParamUserClient::start( IOService * _owner )
        !           158: {
        !           159:     static const IOExternalMethod methodTemplate[] = {
        !           160: /* 0 */  { NULL, NULL, kIOUCScalarIScalarO, 1, 0 },
        !           161: /* 1 */  { NULL, NULL, kIOUCScalarIScalarO, 1, 0 },
        !           162: /* 2 */  { NULL, NULL, kIOUCScalarIScalarO, 1, 0 },
        !           163: /* 3 */  { NULL, NULL, kIOUCStructIStructO, sizeof(struct evioLLEvent), 0 },
        !           164: /* 4 */  { NULL, NULL, kIOUCStructIStructO, sizeof(Point), 0 },
        !           165:     };
        !           166: 
        !           167:     if( !super::start( _owner ))
        !           168:        return( false);
        !           169: 
        !           170:     owner = (IOHIDSystem *) _owner;
        !           171: 
        !           172:     bcopy( methodTemplate, externals, sizeof( methodTemplate ));
        !           173: 
        !           174:     externals[3].object = owner;
        !           175:     externals[3].func = (IOMethod) &IOHIDSystem::extPostEvent;
        !           176: 
        !           177:     externals[4].object = owner;
        !           178:     externals[4].func = (IOMethod) &IOHIDSystem::extSetMouseLocation;
        !           179: 
        !           180:     return( true );
        !           181: }
        !           182: 
        !           183: void IOHIDParamUserClient::free( void )
        !           184: {
        !           185:     retain(); retain();
        !           186:     owner->paramConnect = 0;
        !           187:     detach( owner);
        !           188:     super::free();
        !           189: }
        !           190: 
        !           191: void IOHIDParamUserClient::release() const
        !           192: {
        !           193:     super::release(2);
        !           194: }
        !           195: 
        !           196: 
        !           197: IOReturn IOHIDParamUserClient::clientClose( void )
        !           198: {
        !           199:     return( kIOReturnSuccess);
        !           200: }
        !           201: 
        !           202: IOService * IOHIDParamUserClient::getService( void )
        !           203: {
        !           204:     return( owner );
        !           205: }
        !           206: 
        !           207: IOExternalMethod * IOHIDParamUserClient::getExternalMethodForIndex(
        !           208:                                                UInt32 index )
        !           209: {
        !           210:     // get the same library function to work for param & server connects
        !           211:     if( (index >= 3)
        !           212:      && (index < (sizeof( externals) / sizeof( externals[0]))))
        !           213:        return( externals + index);
        !           214:     else
        !           215:        return( NULL);
        !           216: }
        !           217: 
        !           218: IOReturn IOHIDParamUserClient::setProperties( OSObject * properties )
        !           219: {
        !           220:     OSDictionary *     dict;
        !           221:     OSIterator *       iter;
        !           222:     IOHIDevice *       eventSrc;
        !           223:     IOReturn           err = kIOReturnSuccess;
        !           224:     IOReturn           ret;
        !           225: 
        !           226:     dict = OSDynamicCast( OSDictionary, properties );
        !           227:     if( dict) {
        !           228:         ret = owner->setParamProperties( dict );
        !           229:         if( (ret != kIOReturnSuccess) && (ret != kIOReturnBadArgument))
        !           230:             err = ret;
        !           231:         iter = owner->getOpenProviderIterator();
        !           232: 
        !           233:         if( iter) {
        !           234:             while( (eventSrc = (IOHIDevice *) iter->getNextObject())) {
        !           235:                 ret = eventSrc->setParamProperties( dict );
        !           236:                 if( (ret != kIOReturnSuccess) && (ret != kIOReturnBadArgument))
        !           237:                     err = ret;
        !           238:             }
        !           239:             iter->release();
        !           240:         }
        !           241:     } else
        !           242:        err = kIOReturnBadArgument;
        !           243: 
        !           244:     return( err );
        !           245: }
        !           246: 

This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.