AppleRemote.m
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上传日期:2020-07-06
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midi
开发平台:
Unix_Linux
- /*****************************************************************************
- * AppleRemote.m
- * AppleRemote
- * $Id: f758f6adb1a16c3fb50dcbd973a0e09aac3d9190 $
- *
- * Created by Martin Kahr on 11.03.06 under a MIT-style license.
- * Copyright (c) 2006 martinkahr.com. All rights reserved.
- *
- * 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.
- *
- *****************************************************************************
- *
- * Note that changes made by any members or contributors of the VideoLAN team
- * (i.e. changes that were exclusively checked in to one of VideoLAN's source code
- * repositories) are licensed under the GNU General Public License version 2,
- * or (at your option) any later version.
- * Thus, the following statements apply to our changes:
- *
- * Copyright (C) 2006-2009 the VideoLAN team
- * Authors: Eric Petit <titer@m0k.org>
- * Felix Kühne <fkuehne at videolan dot org>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #import "AppleRemote.h"
- /* this was added by the VideoLAN team to ensure Leopard-compatibility and is VLC-only */
- #import "intf.h"
- const char* AppleRemoteDeviceName = "AppleIRController";
- const int REMOTE_SWITCH_COOKIE=19;
- const NSTimeInterval DEFAULT_MAXIMUM_CLICK_TIME_DIFFERENCE=0.35;
- const NSTimeInterval HOLD_RECOGNITION_TIME_INTERVAL=0.4;
- @implementation AppleRemote
- #pragma public interface
- - (id) init {
- if ( self = [super init] ) {
- openInExclusiveMode = YES;
- queue = NULL;
- hidDeviceInterface = NULL;
- cookieToButtonMapping = [[NSMutableDictionary alloc] init];
- if( NSAppKitVersionNumber < 1038.13 )
- {
- /* Leopard and early Snow Leopard Cookies */
- msg_Dbg( VLCIntf, "using Leopard AR cookies" );
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonVolume_Plus] forKey:@"31_29_28_18_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonVolume_Minus] forKey:@"31_30_28_18_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu] forKey:@"31_20_18_31_20_18_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay] forKey:@"31_21_18_31_21_18_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight] forKey:@"31_22_18_31_22_18_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft] forKey:@"31_23_18_31_23_18_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight_Hold] forKey:@"31_18_4_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft_Hold] forKey:@"31_18_3_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu_Hold] forKey:@"31_18_31_18_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay_Sleep] forKey:@"35_31_18_35_31_18_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteControl_Switched] forKey:@"19_"];
- }
- else
- {
- /* current Snow Leopard cookies */
- msg_Dbg( VLCIntf, "using Snow Leopard AR cookies" );
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonVolume_Plus] forKey:@"33_31_30_21_20_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonVolume_Minus] forKey:@"33_32_30_21_20_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu] forKey:@"33_22_21_20_2_33_22_21_20_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay] forKey:@"33_23_21_20_2_33_23_21_20_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight] forKey:@"33_24_21_20_2_33_24_21_20_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft] forKey:@"33_25_21_20_2_33_25_21_20_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonRight_Hold] forKey:@"33_21_20_14_12_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonLeft_Hold] forKey:@"33_21_20_13_12_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonMenu_Hold] forKey:@"33_21_20_2_33_21_20_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteButtonPlay_Sleep] forKey:@"37_33_21_20_2_37_33_21_20_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:kRemoteControl_Switched] forKey:@"19_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:k2009RemoteButtonPlay] forKey:@"33_21_20_8_2_33_21_20_8_2_"];
- [cookieToButtonMapping setObject:[NSNumber numberWithInt:k2009RemoteButtonMiddlePlay] forKey:@"33_21_20_3_2_33_21_20_3_2_"];
- }
- /* defaults */
- [self setSimulatesPlusMinusHold: YES];
- maxClickTimeDifference = DEFAULT_MAXIMUM_CLICK_TIME_DIFFERENCE;
- }
- return self;
- }
- - (void) dealloc {
- [self stopListening:self];
- [cookieToButtonMapping release];
- [super dealloc];
- }
- - (int) remoteId {
- return remoteId;
- }
- - (BOOL) isRemoteAvailable {
- io_object_t hidDevice = [self findAppleRemoteDevice];
- if (hidDevice != 0) {
- IOObjectRelease(hidDevice);
- return YES;
- } else {
- return NO;
- }
- }
- - (BOOL) isListeningToRemote {
- return (hidDeviceInterface != NULL && allCookies != NULL && queue != NULL);
- }
- - (void) setListeningToRemote: (BOOL) value {
- if (value == NO) {
- [self stopListening:self];
- } else {
- [self startListening:self];
- }
- }
- /* Delegates are not retained!
- * http://developer.apple.com/documentation/Cocoa/Conceptual/CocoaFundamentals/CommunicatingWithObjects/chapter_6_section_4.html
- * Delegating objects do not (and should not) retain their delegates.
- * However, clients of delegating objects (applications, usually) are responsible for ensuring that their delegates are around
- * to receive delegation messages. To do this, they may have to retain the delegate. */
- - (void) setDelegate: (id) _delegate {
- if (_delegate && [_delegate respondsToSelector:@selector(appleRemoteButton:pressedDown:clickCount:)]==NO) return;
- delegate = _delegate;
- }
- - (id) delegate {
- return delegate;
- }
- - (BOOL) isOpenInExclusiveMode {
- return openInExclusiveMode;
- }
- - (void) setOpenInExclusiveMode: (BOOL) value {
- openInExclusiveMode = value;
- }
- - (BOOL) clickCountingEnabled {
- return clickCountEnabledButtons != 0;
- }
- - (void) setClickCountingEnabled: (BOOL) value {
- if (value) {
- [self setClickCountEnabledButtons: kRemoteButtonVolume_Plus | kRemoteButtonVolume_Minus | kRemoteButtonPlay | kRemoteButtonLeft | kRemoteButtonRight | kRemoteButtonMenu | k2009RemoteButtonPlay | k2009RemoteButtonMiddlePlay];
- } else {
- [self setClickCountEnabledButtons: 0];
- }
- }
- - (unsigned int) clickCountEnabledButtons {
- return clickCountEnabledButtons;
- }
- - (void) setClickCountEnabledButtons: (unsigned int)value {
- clickCountEnabledButtons = value;
- }
- - (NSTimeInterval) maximumClickCountTimeDifference {
- return maxClickTimeDifference;
- }
- - (void) setMaximumClickCountTimeDifference: (NSTimeInterval) timeDiff {
- maxClickTimeDifference = timeDiff;
- }
- - (BOOL) processesBacklog {
- return processesBacklog;
- }
- - (void) setProcessesBacklog: (BOOL) value {
- processesBacklog = value;
- }
- - (BOOL) listeningOnAppActivate {
- id appDelegate = [NSApp delegate];
- return (appDelegate!=nil && [appDelegate isKindOfClass: [AppleRemoteApplicationDelegate class]]);
- }
- - (void) setListeningOnAppActivate: (BOOL) value {
- if (value) {
- if ([self listeningOnAppActivate]) return;
- AppleRemoteApplicationDelegate* appDelegate = [[AppleRemoteApplicationDelegate alloc] initWithApplicationDelegate: [NSApp delegate]];
- /* NSApp does not retain its delegate therefore we keep retain count on 1 */
- [NSApp setDelegate: appDelegate];
- } else {
- if ([self listeningOnAppActivate]==NO) return;
- AppleRemoteApplicationDelegate* appDelegate = (AppleRemoteApplicationDelegate*)[NSApp delegate];
- id previousAppDelegate = [appDelegate applicationDelegate];
- [NSApp setDelegate: previousAppDelegate];
- [appDelegate release];
- }
- }
- - (BOOL) simulatesPlusMinusHold {
- return simulatePlusMinusHold;
- }
- - (void) setSimulatesPlusMinusHold: (BOOL) value {
- simulatePlusMinusHold = value;
- }
- - (IBAction) startListening: (id) sender {
- if ([self isListeningToRemote]) return;
- io_object_t hidDevice = [self findAppleRemoteDevice];
- if (hidDevice == 0) return;
- if ([self createInterfaceForDevice:hidDevice] == NULL) {
- goto error;
- }
- if ([self initializeCookies]==NO) {
- goto error;
- }
- if ([self openDevice]==NO) {
- goto error;
- }
- goto cleanup;
- error:
- [self stopListening:self];
- cleanup:
- IOObjectRelease(hidDevice);
- }
- - (IBAction) stopListening: (id) sender {
- if (eventSource != NULL) {
- CFRunLoopRemoveSource(CFRunLoopGetCurrent(), eventSource, kCFRunLoopDefaultMode);
- CFRelease(eventSource);
- eventSource = NULL;
- }
- if (queue != NULL) {
- (*queue)->stop(queue);
- //dispose of queue
- (*queue)->dispose(queue);
- //release the queue we allocated
- (*queue)->Release(queue);
- queue = NULL;
- }
- if (allCookies != nil) {
- [allCookies autorelease];
- allCookies = nil;
- }
- if (hidDeviceInterface != NULL) {
- //close the device
- (*hidDeviceInterface)->close(hidDeviceInterface);
- //release the interface
- (*hidDeviceInterface)->Release(hidDeviceInterface);
- hidDeviceInterface = NULL;
- }
- }
- @end
- @implementation AppleRemote (Singleton)
- static AppleRemote* sharedInstance=nil;
- + (AppleRemote*) sharedRemote {
- @synchronized(self) {
- if (sharedInstance == nil) {
- sharedInstance = [[self alloc] init];
- }
- }
- return sharedInstance;
- }
- + (id)allocWithZone:(NSZone *)zone {
- @synchronized(self) {
- if (sharedInstance == nil) {
- return [super allocWithZone:zone];
- }
- }
- return sharedInstance;
- }
- - (id)copyWithZone:(NSZone *)zone {
- return self;
- }
- - (id)retain {
- return self;
- }
- - (NSUInteger)retainCount {
- return UINT_MAX; //denotes an object that cannot be released
- }
- - (void)release {
- //do nothing
- }
- - (id)autorelease {
- return self;
- }
- @end
- @implementation AppleRemote (PrivateMethods)
- - (void) setRemoteId: (int) value {
- remoteId = value;
- }
- - (IOHIDQueueInterface**) queue {
- return queue;
- }
- - (IOHIDDeviceInterface**) hidDeviceInterface {
- return hidDeviceInterface;
- }
- - (NSDictionary*) cookieToButtonMapping {
- return cookieToButtonMapping;
- }
- - (NSString*) validCookieSubstring: (NSString*) cookieString {
- if (cookieString == nil || [cookieString length] == 0) return nil;
- NSEnumerator* keyEnum = [[self cookieToButtonMapping] keyEnumerator];
- NSString* key;
- while(key = [keyEnum nextObject]) {
- NSRange range = [cookieString rangeOfString:key];
- if (range.location == 0) return key;
- }
- return nil;
- }
- - (void) sendSimulatedPlusMinusEvent: (id) time {
- BOOL startSimulateHold = NO;
- AppleRemoteEventIdentifier event = lastPlusMinusEvent;
- @synchronized(self) {
- startSimulateHold = (lastPlusMinusEvent>0 && lastPlusMinusEventTime == [time doubleValue]);
- }
- if (startSimulateHold) {
- lastEventSimulatedHold = YES;
- event = (event==kRemoteButtonVolume_Plus) ? kRemoteButtonVolume_Plus_Hold : kRemoteButtonVolume_Minus_Hold;
- [delegate appleRemoteButton:event pressedDown: YES clickCount: 1];
- }
- }
- - (void) sendRemoteButtonEvent: (AppleRemoteEventIdentifier) event pressedDown: (BOOL) pressedDown {
- if (delegate) {
- if (simulatePlusMinusHold) {
- if (event == kRemoteButtonVolume_Plus || event == kRemoteButtonVolume_Minus) {
- if (pressedDown) {
- lastPlusMinusEvent = event;
- lastPlusMinusEventTime = [NSDate timeIntervalSinceReferenceDate];
- [self performSelector:@selector(sendSimulatedPlusMinusEvent:)
- withObject:[NSNumber numberWithDouble:lastPlusMinusEventTime]
- afterDelay:HOLD_RECOGNITION_TIME_INTERVAL];
- return;
- } else {
- if (lastEventSimulatedHold) {
- event = (event==kRemoteButtonVolume_Plus) ? kRemoteButtonVolume_Plus_Hold : kRemoteButtonVolume_Minus_Hold;
- lastPlusMinusEvent = 0;
- lastEventSimulatedHold = NO;
- } else {
- @synchronized(self) {
- lastPlusMinusEvent = 0;
- }
- pressedDown = YES;
- }
- }
- }
- }
- if (([self clickCountEnabledButtons] & event) == event) {
- if (pressedDown==NO && (event == kRemoteButtonVolume_Minus || event == kRemoteButtonVolume_Plus)) {
- return; // this one is triggered automatically by the handler
- }
- NSNumber* eventNumber;
- NSNumber* timeNumber;
- @synchronized(self) {
- lastClickCountEventTime = [NSDate timeIntervalSinceReferenceDate];
- if (lastClickCountEvent == event) {
- eventClickCount = eventClickCount + 1;
- } else {
- eventClickCount = 1;
- }
- lastClickCountEvent = event;
- timeNumber = [NSNumber numberWithDouble:lastClickCountEventTime];
- eventNumber= [NSNumber numberWithUnsignedInt:event];
- }
- [self performSelector: @selector(executeClickCountEvent:)
- withObject: [NSArray arrayWithObjects:eventNumber, timeNumber, nil]
- afterDelay: maxClickTimeDifference];
- } else {
- [delegate appleRemoteButton:event pressedDown: pressedDown clickCount:1];
- }
- }
- }
- - (void) executeClickCountEvent: (NSArray*) values {
- AppleRemoteEventIdentifier event = [[values objectAtIndex: 0] unsignedIntValue];
- NSTimeInterval eventTimePoint = [[values objectAtIndex: 1] doubleValue];
- BOOL finishedClicking = NO;
- int finalClickCount = eventClickCount;
- @synchronized(self) {
- finishedClicking = (event != lastClickCountEvent || eventTimePoint == lastClickCountEventTime);
- if (finishedClicking) eventClickCount = 0;
- }
- if (finishedClicking) {
- [delegate appleRemoteButton:event pressedDown: YES clickCount:finalClickCount];
- if ([self simulatesPlusMinusHold]==NO && (event == kRemoteButtonVolume_Minus || event == kRemoteButtonVolume_Plus)) {
- // trigger a button release event, too
- [NSThread sleepUntilDate: [NSDate dateWithTimeIntervalSinceNow:0.1]];
- [delegate appleRemoteButton:event pressedDown: NO clickCount:finalClickCount];
- }
- }
- }
- - (void) handleEventWithCookieString: (NSString*) cookieString sumOfValues: (SInt32) sumOfValues {
- /*
- if (previousRemainingCookieString) {
- cookieString = [previousRemainingCookieString stringByAppendingString: cookieString];
- NSLog(@"New cookie string is %@", cookieString);
- [previousRemainingCookieString release], previousRemainingCookieString=nil;
- }*/
- if (cookieString == nil || [cookieString length] == 0) return;
- NSNumber* buttonId = [[self cookieToButtonMapping] objectForKey: cookieString];
- if (buttonId != nil) {
- switch ([buttonId intValue]) {
- case k2009RemoteButtonPlay:
- case k2009RemoteButtonMiddlePlay:
- buttonId = [NSNumber numberWithInt:kRemoteButtonPlay];
- break;
- default:
- break;
- }
- [self sendRemoteButtonEvent: [buttonId intValue] pressedDown: (sumOfValues>0)];
- } else {
- // let's see if a number of events are stored in the cookie string. this does
- // happen when the main thread is too busy to handle all incoming events in time.
- NSString* subCookieString;
- NSString* lastSubCookieString=nil;
- while(subCookieString = [self validCookieSubstring: cookieString]) {
- cookieString = [cookieString substringFromIndex: [subCookieString length]];
- lastSubCookieString = subCookieString;
- if (processesBacklog) [self handleEventWithCookieString: subCookieString sumOfValues:sumOfValues];
- }
- if (processesBacklog == NO && lastSubCookieString != nil) {
- // process the last event of the backlog and assume that the button is not pressed down any longer.
- // The events in the backlog do not seem to be in order and therefore (in rare cases) the last event might be
- // a button pressed down event while in reality the user has released it.
- // NSLog(@"processing last event of backlog");
- [self handleEventWithCookieString: lastSubCookieString sumOfValues:0];
- }
- if ([cookieString length] > 0) {
- msg_Warn( VLCIntf, "Unknown AR button for cookiestring %s", [cookieString UTF8String]);
- }
- }
- }
- @end
- /* Callback method for the device queue
- Will be called for any event of any type (cookie) to which we subscribe
- */
- static void QueueCallbackFunction(void* target, IOReturn result, void* refcon, void* sender) {
- AppleRemote* remote = (AppleRemote*)target;
- IOHIDEventStruct event;
- AbsoluteTime zeroTime = {0,0};
- NSMutableString* cookieString = [NSMutableString string];
- SInt32 sumOfValues = 0;
- while (result == kIOReturnSuccess)
- {
- result = (*[remote queue])->getNextEvent([remote queue], &event, zeroTime, 0);
- if ( result != kIOReturnSuccess )
- continue;
- //printf("%d %d %dn", event.elementCookie, event.value, event.longValue);
- if (REMOTE_SWITCH_COOKIE == (int)event.elementCookie) {
- [remote setRemoteId: event.value];
- [remote handleEventWithCookieString: @"19_" sumOfValues: 0];
- } else {
- if (((int)event.elementCookie)!=5) {
- sumOfValues+=event.value;
- [cookieString appendString:[NSString stringWithFormat:@"%d_", event.elementCookie]];
- }
- }
- }
- [remote handleEventWithCookieString: cookieString sumOfValues: sumOfValues];
- }
- @implementation AppleRemote (IOKitMethods)
- - (IOHIDDeviceInterface**) createInterfaceForDevice: (io_object_t) hidDevice {
- io_name_t className;
- IOCFPlugInInterface** plugInInterface = NULL;
- HRESULT plugInResult = S_OK;
- SInt32 score = 0;
- IOReturn ioReturnValue = kIOReturnSuccess;
- hidDeviceInterface = NULL;
- ioReturnValue = IOObjectGetClass(hidDevice, className);
- if (ioReturnValue != kIOReturnSuccess) {
- msg_Err( VLCIntf, "Failed to get IOKit class name.");
- return NULL;
- }
- ioReturnValue = IOCreatePlugInInterfaceForService(hidDevice,
- kIOHIDDeviceUserClientTypeID,
- kIOCFPlugInInterfaceID,
- &plugInInterface,
- &score);
- if (ioReturnValue == kIOReturnSuccess)
- {
- //Call a method of the intermediate plug-in to create the device interface
- plugInResult = (*plugInInterface)->QueryInterface(plugInInterface, CFUUIDGetUUIDBytes(kIOHIDDeviceInterfaceID), (LPVOID) &hidDeviceInterface);
- if (plugInResult != S_OK) {
- msg_Err( VLCIntf, "Couldn't create HID class device interface");
- }
- // Release
- if (plugInInterface) (*plugInInterface)->Release(plugInInterface);
- }
- return hidDeviceInterface;
- }
- - (io_object_t) findAppleRemoteDevice {
- CFMutableDictionaryRef hidMatchDictionary = NULL;
- IOReturn ioReturnValue = kIOReturnSuccess;
- io_iterator_t hidObjectIterator = 0;
- io_object_t hidDevice = 0;
- // Set up a matching dictionary to search the I/O Registry by class
- // name for all HID class devices
- hidMatchDictionary = IOServiceMatching(AppleRemoteDeviceName);
- // Now search I/O Registry for matching devices.
- ioReturnValue = IOServiceGetMatchingServices(kIOMasterPortDefault, hidMatchDictionary, &hidObjectIterator);
- if ((ioReturnValue == kIOReturnSuccess) && (hidObjectIterator != 0)) {
- hidDevice = IOIteratorNext(hidObjectIterator);
- }
- // release the iterator
- IOObjectRelease(hidObjectIterator);
- return hidDevice;
- }
- - (BOOL) initializeCookies {
- IOHIDDeviceInterface122** handle = (IOHIDDeviceInterface122**)hidDeviceInterface;
- IOHIDElementCookie cookie;
- long usage;
- long usagePage;
- id object;
- NSArray* elements = nil;
- NSDictionary* element;
- IOReturn success;
- if (!handle || !(*handle)) return NO;
- /* Copy all elements, since we're grabbing most of the elements
- * for this device anyway, and thus, it's faster to iterate them
- * ourselves. When grabbing only one or two elements, a matching
- * dictionary should be passed in here instead of NULL. */
- success = (*handle)->copyMatchingElements(handle, NULL, (CFArrayRef*)&elements);
- if (success == kIOReturnSuccess) {
- [elements autorelease];
- /*
- cookies = calloc(NUMBER_OF_APPLE_REMOTE_ACTIONS, sizeof(IOHIDElementCookie));
- memset(cookies, 0, sizeof(IOHIDElementCookie) * NUMBER_OF_APPLE_REMOTE_ACTIONS);
- */
- allCookies = [[NSMutableArray alloc] init];
- int i;
- for (i=0; i< [elements count]; i++) {
- element = [elements objectAtIndex:i];
- //Get cookie
- object = [element valueForKey: (NSString*)CFSTR(kIOHIDElementCookieKey) ];
- if (object == nil || ![object isKindOfClass:[NSNumber class]]) continue;
- if (object == 0 || CFGetTypeID(object) != CFNumberGetTypeID()) continue;
- cookie = (IOHIDElementCookie) [object longValue];
- //Get usage
- object = [element valueForKey: (NSString*)CFSTR(kIOHIDElementUsageKey) ];
- if (object == nil || ![object isKindOfClass:[NSNumber class]]) continue;
- usage = [object longValue];
- //Get usage page
- object = [element valueForKey: (NSString*)CFSTR(kIOHIDElementUsagePageKey) ];
- if (object == nil || ![object isKindOfClass:[NSNumber class]]) continue;
- usagePage = [object longValue];
- [allCookies addObject: [NSNumber numberWithInt:(int)cookie]];
- }
- } else {
- return NO;
- }
- return YES;
- }
- - (BOOL) openDevice {
- HRESULT result;
- IOHIDOptionsType openMode = kIOHIDOptionsTypeNone;
- if ([self isOpenInExclusiveMode]) openMode = kIOHIDOptionsTypeSeizeDevice;
- IOReturn ioReturnValue = (*hidDeviceInterface)->open(hidDeviceInterface, openMode);
- if (ioReturnValue == KERN_SUCCESS) {
- queue = (*hidDeviceInterface)->allocQueue(hidDeviceInterface);
- if (queue) {
- result = (*queue)->create(queue, 0, 12); //depth: maximum number of elements in queue before oldest elements in queue begin to be lost.
- int i=0;
- for(i=0; i<[allCookies count]; i++) {
- IOHIDElementCookie cookie = (IOHIDElementCookie)[[allCookies objectAtIndex:i] intValue];
- (*queue)->addElement(queue, cookie, 0);
- }
- // add callback for async events
- ioReturnValue = (*queue)->createAsyncEventSource(queue, &eventSource);
- if (ioReturnValue == KERN_SUCCESS) {
- ioReturnValue = (*queue)->setEventCallout(queue,QueueCallbackFunction, self, NULL);
- if (ioReturnValue == KERN_SUCCESS) {
- CFRunLoopAddSource(CFRunLoopGetCurrent(), eventSource, kCFRunLoopDefaultMode);
- //start data delivery to queue
- (*queue)->start(queue);
- return YES;
- } else {
- msg_Err( VLCIntf, "Error when setting event callout");
- }
- } else {
- msg_Err( VLCIntf, "Error when creating async event source");
- }
- } else {
- msg_Err( VLCIntf, "Error when opening HUD device");
- }
- }
- return NO;
- }
- @end
- @implementation AppleRemoteApplicationDelegate
- - (id) initWithApplicationDelegate: (id) delegate {
- if (self = [super init]) {
- applicationDelegate = [delegate retain];
- }
- return self;
- }
- - (void) dealloc {
- [applicationDelegate release];
- [super dealloc];
- }
- - (id) applicationDelegate {
- return applicationDelegate;
- }
- - (void)applicationWillBecomeActive:(NSNotification *)aNotification {
- if ([applicationDelegate respondsToSelector: @selector(applicationWillBecomeActive:)]) {
- [applicationDelegate applicationWillBecomeActive: aNotification];
- }
- }
- - (void)applicationDidBecomeActive:(NSNotification *)aNotification {
- [[AppleRemote sharedRemote] setListeningToRemote: YES];
- if ([applicationDelegate respondsToSelector: @selector(applicationDidBecomeActive:)]) {
- [applicationDelegate applicationDidBecomeActive: aNotification];
- }
- }
- - (void)applicationWillResignActive:(NSNotification *)aNotification {
- [[AppleRemote sharedRemote] setListeningToRemote: NO];
- if ([applicationDelegate respondsToSelector: @selector(applicationWillResignActive:)]) {
- [applicationDelegate applicationWillResignActive: aNotification];
- }
- }
- - (void)applicationDidResignActive:(NSNotification *)aNotification {
- if ([applicationDelegate respondsToSelector: @selector(applicationDidResignActive:)]) {
- [applicationDelegate applicationDidResignActive: aNotification];
- }
- }
- - (NSMethodSignature *)methodSignatureForSelector:(SEL)aSelector {
- NSMethodSignature* signature = [super methodSignatureForSelector: aSelector];
- if (signature == nil && applicationDelegate != nil) {
- signature = [applicationDelegate methodSignatureForSelector: aSelector];
- }
- return signature;
- }
- - (void)forwardInvocation:(NSInvocation *)invocation {
- SEL aSelector = [invocation selector];
- if (applicationDelegate==nil || [applicationDelegate respondsToSelector:aSelector]==NO) {
- [super forwardInvocation: invocation];
- return;
- }
- [invocation invokeWithTarget:applicationDelegate];
- }
- @end