apple2ix/Apple2Mac/DDHidLib/lib/DDHidAppleMikey.m

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/*
* Copyright (c) 2007 Dave Dribin
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated documentation
* files (the "Software"), to deal in the Software without
* restriction, including without limitation the rights to use, copy,
* modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
* BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
* ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
#import "DDHidAppleMikey.h"
#import "DDHidElement.h"
#import "DDHidUsage.h"
#import "DDHidQueue.h"
#import "DDHidEvent.h"
#include <IOKit/hid/IOHIDUsageTables.h>
#define APPLE_MIC_ONLY 1
@interface DDHidAppleMikey (DDHidAppleMikeyDelegate)
- (void) ddhidAppleMikey: (DDHidAppleMikey *) mikey
press: (unsigned) usageId
upOrDown:(BOOL)upOrDown;
@end
@interface DDHidAppleMikey (Private)
- (void) initPressElements: (NSArray *) elements;
- (void) ddhidQueueHasEvents: (DDHidQueue *) hidQueue;
@end
@implementation DDHidAppleMikey
+ (NSArray *) allMikeys;
{
//add mikeys
id a2 = [self allDevicesMatchingUsagePage:12 usageId:1 withClass:self skipZeroLocations:NO];
#if APPLE_MIC_ONLY
a2 = [a2 filteredArrayUsingPredicate:[NSPredicate predicateWithFormat:@"productName == \"Apple Mikey HID Driver\""]];
#endif
return a2;
}
- (id) initWithDevice: (io_object_t) device error: (NSError **) error_;
{
self = [super initWithDevice: device error: error_];
if (self == nil)
return nil;
mPressElements = [[NSMutableArray alloc] init];
[self initPressElements: [self elements]];
return self;
}
//===========================================================
// dealloc
//===========================================================
- (void) dealloc
{
[mPressElements release];
mPressElements = nil;
[super dealloc];
}
#pragma mark -
#pragma mark Elements
- (NSArray *) pressElements;
{
return mPressElements;
}
- (unsigned) numberOfKeys;
{
return [mPressElements count];
}
- (void) addElementsToQueue: (DDHidQueue *) queue;
{
[queue addElements: mPressElements];
}
#pragma mark -
#pragma mark Asynchronous Notification
- (void) setDelegate: (id) delegate;
{
mDelegate = delegate;
}
- (void) addElementsToDefaultQueue;
{
[self addElementsToQueue: mDefaultQueue];
}
@end
@implementation DDHidAppleMikey (DDHidAppleMikeyDelegate)
- (void) ddhidAppleMikey:(DDHidAppleMikey *)mikey press:(unsigned int)usageId upOrDown:(BOOL)upOrDown
{
if ([mDelegate respondsToSelector: _cmd])
[mDelegate ddhidAppleMikey: mikey press: usageId upOrDown:(BOOL)upOrDown];
}
@end
@implementation DDHidAppleMikey (Private)
- (void) initPressElements: (NSArray *) elements;
{
NSEnumerator * e = [elements objectEnumerator];
DDHidElement * element;
while (element = [e nextObject])
{
// unsigned usagePage = [[element usage] usagePage];
// unsigned usageId = [[element usage] usageId];
// if (usagePage == kHIDPage_KeyboardOrKeypad)
// {
// if ((usageId >= 0x04) && (usageId <= 0xA4) ||
// (usageId >= 0xE0) && (usageId <= 0xE7))
{
[mPressElements addObject: element];
}
// }
NSArray * subElements = [element elements];
if (subElements != nil)
[self initPressElements: subElements];
}
}
- (void) ddhidQueueHasEvents: (DDHidQueue *) hidQueue;
{
DDHidEvent * event;
while ((event = [hidQueue nextEvent]))
{
DDHidElement * element = [self elementForCookie: [event elementCookie]];
unsigned usageId = [[element usage] usageId];
SInt32 value = [event value];
[self ddhidAppleMikey:self press:usageId upOrDown:value==1];
}
}
@end