DDHIDLib 1.1.1

1 files changed, 236 insertions, 0 deletions

diff --git a/lib/DDHidAppleRemote.m b/lib/DDHidAppleRemote.m
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--- /dev/null
+++ b/lib/DDHidAppleRemote.m
@@ -0,0 +1,236 @@
+/*
+ * 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.
+ */
+
+// Based on Martin Kahr's Apple Remote wrapper
+// http://www.martinkahr.com/source-code/
+
+#import "DDHidAppleRemote.h"
+#import "DDHidElement.h"
+#import "DDHidUsage.h"
+#import "DDHidQueue.h"
+#import "DDHidEvent.h"
+#import "NSDictionary+DDHidExtras.h"
+
+@interface DDHidAppleRemote (Private)
+
+- (void) initRemoteElements: (NSArray *) elements;
+
+- (void) ddhidQueueHasEvents: (DDHidQueue *) hidQueue;
+
+- (void) handleEventWithCookieString: (NSString*) cookieString
+                         sumOfValues: (SInt32) sumOfValues;
+
+@end
+
+@implementation DDHidAppleRemote
+
++ (NSArray *) allRemotes;
+{
+    CFMutableDictionaryRef hidMatchDictionary =
+        IOServiceMatching("AppleIRController");
+    
+    return
+        [DDHidDevice allDevicesMatchingCFDictionary: hidMatchDictionary
+                                          withClass: self
+                                  skipZeroLocations: YES];
+}
+
++ (DDHidAppleRemote *) firstRemote;
+{
+    NSArray * allRemotes = [self allRemotes];
+    if ([allRemotes count] > 0)
+        return [allRemotes objectAtIndex: 0];
+    else
+        return nil;
+}
+
+- (id) initWithDevice: (io_object_t) device error: (NSError **) error_;
+{
+    self = [super initWithDevice: device error: error_];
+    if (self == nil)
+        return nil;
+    
+    mCookieToButtonMapping = [[NSMutableDictionary alloc] init];
+    
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonVolume_Plus
+                                  forKey: @"14_12_11_6_5_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonVolume_Plus
+                                  forKey: @"31_29_28_19_18_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonVolume_Minus
+                                  forKey: @"14_13_11_6_5_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonVolume_Minus
+                                  forKey: @"31_30_28_19_18_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonMenu
+                                  forKey: @"14_7_6_5_14_7_6_5_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonMenu
+                                  forKey: @"31_20_19_18_31_20_19_18_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonPlay
+                                  forKey: @"14_8_6_5_14_8_6_5_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonPlay
+                                  forKey: @"31_21_19_18_31_21_19_18_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonRight
+                                  forKey: @"14_9_6_5_14_9_6_5_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonRight
+                                  forKey: @"31_22_19_18_31_22_19_18_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonLeft
+                                  forKey: @"14_10_6_5_14_10_6_5_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonLeft
+                                  forKey: @"31_23_19_18_31_23_19_18_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonRight_Hold
+                                  forKey: @"14_6_5_4_2_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonRight_Hold
+                                  forKey: @"31_19_18_4_2_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonLeft_Hold
+                                  forKey: @"14_6_5_3_2_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonLeft_Hold
+                                  forKey: @"31_19_18_3_2_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonMenu_Hold
+                                  forKey: @"14_6_5_14_6_5_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonMenu_Hold
+                                  forKey: @"31_19_18_31_19_18_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonPlay_Sleep
+                                  forKey: @"18_14_6_5_18_14_6_5_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteButtonPlay_Sleep
+                                  forKey: @"35_31_19_18_35_31_19_18_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteControl_Switched
+                                  forKey: @"19_"];
+    //[mCookieToButtonMapping ddhid_setInt: kDDHidRemoteControl_Switched
+    //                              forKey: @"??_"]; // unknown for 10.5
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteControl_Paired
+                                  forKey: @"15_14_6_5_15_14_6_5_"];
+    [mCookieToButtonMapping ddhid_setInt: kDDHidRemoteControl_Paired
+                                  forKey: @"32_31_19_18_32_31_19_18_"];
+    
+    [self initRemoteElements: [self elements]];
+    
+    
+    return self;
+}
+
+//=========================================================== 
+// dealloc
+//=========================================================== 
+- (void) dealloc
+{
+    [mCookieToButtonMapping release];
+    [mButtonElements release];
+    [mIdElement release];
+    
+    mCookieToButtonMapping = nil;
+    mButtonElements = nil;
+    mIdElement = nil;
+    [super dealloc];
+}
+
+#pragma mark -
+#pragma mark Asynchronous Notification
+
+- (void) setDelegate: (id) delegate;
+{
+    mDelegate = delegate;
+}
+
+- (void) addElementsToDefaultQueue;
+{
+    [mDefaultQueue addElements: mButtonElements];
+}
+
+#pragma mark -
+#pragma mark Properties
+
+//=========================================================== 
+//  remoteId 
+//=========================================================== 
+- (int) remoteId
+{
+    return mRemoteId;
+}
+
+- (void) setRemoteId: (int) theRemoteId
+{
+    mRemoteId = theRemoteId;
+}
+
+@end
+
+@implementation DDHidAppleRemote (Private)
+
+- (void) initRemoteElements: (NSArray *) elements;
+{
+    NSAssert([elements count] == 1, @"Assume only 1 top level remote element");
+    DDHidElement * consumerControlsElement = [elements objectAtIndex: 0];
+    mButtonElements = [[consumerControlsElement elements] retain];
+    DDHidElement * element;
+    NSEnumerator * e = [mButtonElements objectEnumerator];
+    while (element = [e nextObject])
+    {
+        if ([[element usage] isEqualToUsagePage: 0x0006
+                                        usageId: 0x0022])
+        {
+            mIdElement = [element retain];
+        }
+    }
+}
+
+- (void) ddhidQueueHasEvents: (DDHidQueue *) hidQueue;
+{
+	NSMutableString * cookieString = [NSMutableString string];
+	SInt32 sumOfValues = 0;
+
+    DDHidEvent * event;
+    while (event = [hidQueue nextEvent])
+    {
+        if ([event elementCookie] == [mIdElement cookie])
+        {
+            [self setRemoteId: [event value]];
+        }
+        else
+        {
+            sumOfValues += [event value];
+            [cookieString appendString:
+                [NSString stringWithFormat: @"%u_", [event elementCookieAsUnsigned]]];
+        }
+    }
+    [self handleEventWithCookieString: cookieString sumOfValues: sumOfValues];	
+}
+
+- (void) handleEventWithCookieString: (NSString*) cookieString
+                         sumOfValues: (SInt32) sumOfValues;
+{
+	NSNumber* buttonId = [mCookieToButtonMapping objectForKey: cookieString];
+	if (buttonId != nil)
+    {
+		if ([mDelegate respondsToSelector: @selector(ddhidAppleRemoteButton:pressedDown:)])
+        {
+			[mDelegate ddhidAppleRemoteButton: [buttonId intValue]
+                                 pressedDown: (sumOfValues>0)];
+		}
+	}
+    else
+		NSLog(@"Unknown button for cookiestring %@", cookieString);
+
+}
+
+@end
+