124 lines
4.9 KiB
Objective-C
124 lines
4.9 KiB
Objective-C
//
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// MGMFireWireWatcher.m
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// SoundNote
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//
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// Created by Mr. Gecko on 2/15/11.
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// Copyright (c) 2011 Mr. Gecko's Media (James Coleman). http://mrgeckosmedia.com/
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//
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// Permission to use, copy, modify, and/or distribute this software for any purpose
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// with or without fee is hereby granted, provided that the above copyright notice
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// and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES WITH
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// REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND
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// FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT,
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// OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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// DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS
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// ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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//
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#import "MGMFireWireWatcher.h"
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#import "MGMController.h"
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#import <IOKit/IOKitLib.h>
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char * const IOFireWireDevice = "IOFireWireDevice";
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static void firewireConnected(void *refCon, io_iterator_t iterator) {
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io_object_t object;
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while ((object = IOIteratorNext(iterator))) {
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[(MGMFireWireWatcher *)refCon firewireDeviceConnected:object];
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IOObjectRelease(object);
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}
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}
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static void firewireDisconnected(void *refCon, io_iterator_t iterator) {
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io_object_t object;
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while ((object = IOIteratorNext(iterator))) {
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[(MGMFireWireWatcher *)refCon firewireDeviceDisconnected:object];
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IOObjectRelease(object);
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}
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}
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static NSString *nameForIOFW(io_object_t object) {
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io_name_t ioDeviceName;
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NSString *deviceName = nil;
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kern_return_t result = IORegistryEntryGetName(object, ioDeviceName);
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if (result==noErr)
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deviceName = [(NSString *)CFStringCreateWithCString(kCFAllocatorDefault, ioDeviceName, kCFStringEncodingUTF8) autorelease];
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if (deviceName!=nil)
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return deviceName;
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if (deviceName!=nil && ![deviceName isEqual:@"IOFireWireDevice"])
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return deviceName;
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deviceName = [(NSString *)IORegistryEntrySearchCFProperty(object, kIOFireWirePlane, (CFStringRef)@"FireWire Product Name", nil, kIORegistryIterateRecursively) autorelease];
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if (deviceName!=nil)
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return deviceName;
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deviceName = [(NSString *)IORegistryEntrySearchCFProperty(object, kIOFireWirePlane, (CFStringRef)@"FireWire Vendor Name", nil, kIORegistryIterateRecursively) autorelease];
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if (deviceName!=nil)
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return deviceName;
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return @"Unnamed Device";
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}
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@implementation MGMFireWireWatcher
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- (id)init {
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if ((self = [super init])) {
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notificationPort = IONotificationPortCreate(kIOMasterPortDefault);
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runLoop = IONotificationPortGetRunLoopSource(notificationPort);
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CFRunLoopAddSource(CFRunLoopGetCurrent(), runLoop, kCFRunLoopDefaultMode);
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firewireDevices = [NSMutableArray new];
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CFDictionaryRef servicesMatch = IOServiceMatching(IOFireWireDevice);
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io_iterator_t found;
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kern_return_t result = IOServiceAddMatchingNotification(notificationPort, kIOPublishNotification, servicesMatch, firewireConnected, NULL, &found);
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if (result!=kIOReturnSuccess)
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NSLog(@"Unable to register for firewire add %d", result);
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io_object_t object;
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while ((object = IOIteratorNext(found))) {
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NSString *deviceName = nameForIOFW(object);
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if (![firewireDevices containsObject:deviceName])
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[firewireDevices addObject:deviceName];
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IOObjectRelease(object);
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}
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servicesMatch = IOServiceMatching(IOFireWireDevice);
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result = IOServiceAddMatchingNotification(notificationPort, kIOTerminatedNotification, servicesMatch, firewireDisconnected, NULL, &found);
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if (result!=kIOReturnSuccess)
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NSLog(@"Unable to register for firewire remove %d", result);
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else {
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while ((object = IOIteratorNext(found))) {
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NSString *deviceName = nameForIOFW(object);
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if ([firewireDevices containsObject:deviceName])
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[firewireDevices removeObject:deviceName];
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IOObjectRelease(object);
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}
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}
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}
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return self;
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}
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- (void)dealloc {
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if (notificationPort) {
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CFRunLoopRemoveSource(CFRunLoopGetCurrent(), runLoop, kCFRunLoopDefaultMode);
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IONotificationPortDestroy(notificationPort);
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}
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[firewireDevices release];
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[super dealloc];
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}
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- (void)firewireDeviceConnected:(io_object_t)theDevice {
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NSString *deviceName = nameForIOFW(theDevice);
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if (![firewireDevices containsObject:deviceName]) {
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[firewireDevices addObject:deviceName];
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[[MGMController sharedController] startNotificationWithInfo:[NSDictionary dictionaryWithObjectsAndKeys:@"firewireconnected", MGMNName, @"FireWire Connected", MGMNTitle, deviceName, MGMNDescription, [NSImage imageNamed:@"FireWire"], MGMNIcon, nil]];
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}
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}
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- (void)firewireDeviceDisconnected:(io_object_t)theDevice {
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NSString *deviceName = nameForIOFW(theDevice);
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if ([firewireDevices containsObject:deviceName]) {
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[firewireDevices removeObject:deviceName];
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[[MGMController sharedController] startNotificationWithInfo:[NSDictionary dictionaryWithObjectsAndKeys:@"firewiredisconnected", MGMNName, @"FireWire Disconnected", MGMNTitle, deviceName, MGMNDescription, [NSImage imageNamed:@"FireWire"], MGMNIcon, nil]];
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}
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}
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@end |