Forgot to add SPMediaKeyTap files
Chris Moeller
parent
5091d13fcb
commit
505d145f94
30
ThirdParty/SPMediaKeyTap/SPInvocationGrabbing/NSObject+SPInvocationGrabbing.h
vendored
Normal file
30
ThirdParty/SPMediaKeyTap/SPInvocationGrabbing/NSObject+SPInvocationGrabbing.h
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#import <Foundation/Foundation.h>
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@interface SPInvocationGrabber : NSObject {
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id _object;
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NSInvocation *_invocation;
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int frameCount;
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char **frameStrings;
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BOOL backgroundAfterForward;
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BOOL onMainAfterForward;
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BOOL waitUntilDone;
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}
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-(id)initWithObject:(id)obj;
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-(id)initWithObject:(id)obj stacktraceSaving:(BOOL)saveStack;
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@property (readonly, retain, nonatomic) id object;
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@property (readonly, retain, nonatomic) NSInvocation *invocation;
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@property BOOL backgroundAfterForward;
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@property BOOL onMainAfterForward;
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@property BOOL waitUntilDone;
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-(void)invoke; // will release object and invocation
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-(void)printBacktrace;
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-(void)saveBacktrace;
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@end
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@interface NSObject (SPInvocationGrabbing)
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-(id)grab;
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-(id)invokeAfter:(NSTimeInterval)delta;
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-(id)nextRunloop;
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-(id)inBackground;
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-(id)onMainAsync:(BOOL)async;
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@end
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127
ThirdParty/SPMediaKeyTap/SPInvocationGrabbing/NSObject+SPInvocationGrabbing.m
vendored
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127
ThirdParty/SPMediaKeyTap/SPInvocationGrabbing/NSObject+SPInvocationGrabbing.m
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#import "NSObject+SPInvocationGrabbing.h"
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#import <execinfo.h>
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#pragma mark Invocation grabbing
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@interface SPInvocationGrabber ()
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@property (readwrite, retain, nonatomic) id object;
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@property (readwrite, retain, nonatomic) NSInvocation *invocation;
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@end
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@implementation SPInvocationGrabber
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- (id)initWithObject:(id)obj;
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{
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return [self initWithObject:obj stacktraceSaving:YES];
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}
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-(id)initWithObject:(id)obj stacktraceSaving:(BOOL)saveStack;
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{
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self.object = obj;
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if(saveStack)
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[self saveBacktrace];
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return self;
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}
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-(void)dealloc;
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{
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free(frameStrings);
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self.object = nil;
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self.invocation = nil;
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[super dealloc];
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}
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@synthesize invocation = _invocation, object = _object;
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@synthesize backgroundAfterForward, onMainAfterForward, waitUntilDone;
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- (void)runInBackground;
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{
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NSAutoreleasePool *pool = [[NSAutoreleasePool alloc] init];
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@try {
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[self invoke];
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}
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@finally {
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[pool drain];
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}
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}
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- (void)forwardInvocation:(NSInvocation *)anInvocation {
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[anInvocation retainArguments];
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anInvocation.target = _object;
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self.invocation = anInvocation;
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if(backgroundAfterForward)
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[NSThread detachNewThreadSelector:@selector(runInBackground) toTarget:self withObject:nil];
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else if(onMainAfterForward)
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[self performSelectorOnMainThread:@selector(invoke) withObject:nil waitUntilDone:waitUntilDone];
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}
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- (NSMethodSignature *)methodSignatureForSelector:(SEL)inSelector {
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NSMethodSignature *signature = [super methodSignatureForSelector:inSelector];
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if (signature == NULL)
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signature = [_object methodSignatureForSelector:inSelector];
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return signature;
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}
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- (void)invoke;
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{
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@try {
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[_invocation invoke];
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}
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@catch (NSException * e) {
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NSLog(@"SPInvocationGrabber's target raised %@:\n\t%@\nInvocation was originally scheduled at:", e.name, e);
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[self printBacktrace];
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printf("\n");
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[e raise];
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}
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self.invocation = nil;
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self.object = nil;
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}
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-(void)saveBacktrace;
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{
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void *backtraceFrames[128];
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frameCount = backtrace(&backtraceFrames[0], 128);
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frameStrings = backtrace_symbols(&backtraceFrames[0], frameCount);
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}
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-(void)printBacktrace;
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{
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for(int x = 3; x < frameCount; x++) {
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if(frameStrings[x] == NULL) { break; }
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printf("%s\n", frameStrings[x]);
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}
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}
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@end
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@implementation NSObject (SPInvocationGrabbing)
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-(id)grab;
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{
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return [[[SPInvocationGrabber alloc] initWithObject:self] autorelease];
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}
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-(id)invokeAfter:(NSTimeInterval)delta;
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{
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id grabber = [self grab];
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[NSTimer scheduledTimerWithTimeInterval:delta target:grabber selector:@selector(invoke) userInfo:nil repeats:NO];
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return grabber;
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}
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- (id)nextRunloop;
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{
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return [self invokeAfter:0];
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}
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-(id)inBackground;
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{
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SPInvocationGrabber *grabber = [self grab];
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grabber.backgroundAfterForward = YES;
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return grabber;
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}
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-(id)onMainAsync:(BOOL)async;
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{
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SPInvocationGrabber *grabber = [self grab];
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grabber.onMainAfterForward = YES;
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grabber.waitUntilDone = !async;
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return grabber;
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}
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@end
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@ -0,0 +1,43 @@
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#include <Cocoa/Cocoa.h>
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#import <IOKit/hidsystem/ev_keymap.h>
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#import <Carbon/Carbon.h>
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// http://overooped.com/post/2593597587/mediakeys
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#define SPSystemDefinedEventMediaKeys 8
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@interface SPMediaKeyTap : NSObject {
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EventHandlerRef _app_switching_ref;
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EventHandlerRef _app_terminating_ref;
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CFMachPortRef _eventPort;
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CFRunLoopSourceRef _eventPortSource;
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CFRunLoopRef _tapThreadRL;
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BOOL _shouldInterceptMediaKeyEvents;
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id _delegate;
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// The app that is frontmost in this list owns media keys
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NSMutableArray *_mediaKeyAppList;
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}
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+ (NSArray*)defaultMediaKeyUserBundleIdentifiers;
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-(id)initWithDelegate:(id)delegate;
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+(BOOL)usesGlobalMediaKeyTap;
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-(void)startWatchingMediaKeys;
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-(void)stopWatchingMediaKeys;
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-(void)handleAndReleaseMediaKeyEvent:(NSEvent *)event;
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@end
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@interface NSObject (SPMediaKeyTapDelegate)
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-(void)mediaKeyTap:(SPMediaKeyTap*)keyTap receivedMediaKeyEvent:(NSEvent*)event;
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@end
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#ifdef __cplusplus
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extern "C" {
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#endif
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extern NSString *kMediaKeyUsingBundleIdentifiersDefaultsKey;
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extern NSString *kIgnoreMediaKeysDefaultsKey;
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#ifdef __cplusplus
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}
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#endif
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@ -0,0 +1,335 @@
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// Copyright (c) 2010 Spotify AB
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#import "SPMediaKeyTap.h"
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#import "SPInvocationGrabbing/NSObject+SPInvocationGrabbing.h" // https://gist.github.com/511181, in submodule
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@interface SPMediaKeyTap ()
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-(BOOL)shouldInterceptMediaKeyEvents;
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-(void)setShouldInterceptMediaKeyEvents:(BOOL)newSetting;
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-(void)startWatchingAppSwitching;
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-(void)stopWatchingAppSwitching;
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-(void)eventTapThread;
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@end
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static SPMediaKeyTap *singleton = nil;
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static pascal OSStatus appSwitched (EventHandlerCallRef nextHandler, EventRef evt, void* userData);
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static pascal OSStatus appTerminated (EventHandlerCallRef nextHandler, EventRef evt, void* userData);
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static CGEventRef tapEventCallback(CGEventTapProxy proxy, CGEventType type, CGEventRef event, void *refcon);
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// Inspired by http://gist.github.com/546311
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@implementation SPMediaKeyTap
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#pragma mark -
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#pragma mark Setup and teardown
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-(id)initWithDelegate:(id)delegate;
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{
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_delegate = delegate;
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[self startWatchingAppSwitching];
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singleton = self;
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_mediaKeyAppList = [NSMutableArray new];
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_tapThreadRL=nil;
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_eventPort=nil;
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_eventPortSource=nil;
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return self;
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}
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-(void)dealloc;
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{
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[self stopWatchingMediaKeys];
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[self stopWatchingAppSwitching];
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[_mediaKeyAppList release];
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[super dealloc];
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}
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-(void)startWatchingAppSwitching;
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{
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// Listen to "app switched" event, so that we don't intercept media keys if we
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// weren't the last "media key listening" app to be active
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EventTypeSpec eventType = { kEventClassApplication, kEventAppFrontSwitched };
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OSStatus err = InstallApplicationEventHandler(NewEventHandlerUPP(appSwitched), 1, &eventType, self, &_app_switching_ref);
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assert(err == noErr);
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eventType.eventKind = kEventAppTerminated;
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err = InstallApplicationEventHandler(NewEventHandlerUPP(appTerminated), 1, &eventType, self, &_app_terminating_ref);
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assert(err == noErr);
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}
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-(void)stopWatchingAppSwitching;
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{
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if(!_app_switching_ref) return;
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RemoveEventHandler(_app_switching_ref);
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_app_switching_ref = NULL;
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}
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-(void)startWatchingMediaKeys;{
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// Prevent having multiple mediaKeys threads
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[self stopWatchingMediaKeys];
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[self setShouldInterceptMediaKeyEvents:YES];
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// Add an event tap to intercept the system defined media key events
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_eventPort = CGEventTapCreate(kCGSessionEventTap,
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kCGHeadInsertEventTap,
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kCGEventTapOptionDefault,
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CGEventMaskBit(NX_SYSDEFINED),
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tapEventCallback,
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self);
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assert(_eventPort != NULL);
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_eventPortSource = CFMachPortCreateRunLoopSource(kCFAllocatorSystemDefault, _eventPort, 0);
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assert(_eventPortSource != NULL);
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// Let's do this in a separate thread so that a slow app doesn't lag the event tap
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[NSThread detachNewThreadSelector:@selector(eventTapThread) toTarget:self withObject:nil];
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}
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-(void)stopWatchingMediaKeys;
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{
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// TODO<nevyn>: Shut down thread, remove event tap port and source
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if(_tapThreadRL){
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CFRunLoopStop(_tapThreadRL);
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_tapThreadRL=nil;
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}
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if(_eventPort){
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CFMachPortInvalidate(_eventPort);
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CFRelease(_eventPort);
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_eventPort=nil;
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}
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if(_eventPortSource){
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CFRelease(_eventPortSource);
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_eventPortSource=nil;
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}
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}
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#pragma mark -
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#pragma mark Accessors
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+(BOOL)usesGlobalMediaKeyTap
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{
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#ifdef _DEBUG
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// breaking in gdb with a key tap inserted sometimes locks up all mouse and keyboard input forever, forcing reboot
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return NO;
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#else
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// XXX(nevyn): MediaKey event tap doesn't work on 10.4, feel free to figure out why if you have the energy.
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return
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![[NSUserDefaults standardUserDefaults] boolForKey:kIgnoreMediaKeysDefaultsKey]
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&& floor(NSAppKitVersionNumber) >= 949/*NSAppKitVersionNumber10_5*/;
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#endif
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}
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+ (NSArray*)defaultMediaKeyUserBundleIdentifiers;
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{
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return [NSArray arrayWithObjects:
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[[NSBundle mainBundle] bundleIdentifier], // your app
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@"com.spotify.client",
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@"com.apple.iTunes",
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@"com.apple.QuickTimePlayerX",
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@"com.apple.quicktimeplayer",
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@"com.apple.iWork.Keynote",
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@"com.apple.iPhoto",
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@"org.videolan.vlc",
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@"com.apple.Aperture",
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@"com.plexsquared.Plex",
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@"com.soundcloud.desktop",
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@"org.niltsh.MPlayerX",
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@"com.ilabs.PandorasHelper",
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@"com.mahasoftware.pandabar",
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@"com.bitcartel.pandorajam",
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@"org.clementine-player.clementine",
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@"fm.last.Last.fm",
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@"fm.last.Scrobbler",
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@"com.beatport.BeatportPro",
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@"com.Timenut.SongKey",
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@"com.macromedia.fireworks", // the tap messes up their mouse input
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nil
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];
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}
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-(BOOL)shouldInterceptMediaKeyEvents;
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{
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BOOL shouldIntercept = NO;
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@synchronized(self) {
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shouldIntercept = _shouldInterceptMediaKeyEvents;
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}
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return shouldIntercept;
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}
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-(void)pauseTapOnTapThread:(BOOL)yeahno;
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{
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CGEventTapEnable(self->_eventPort, yeahno);
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}
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-(void)setShouldInterceptMediaKeyEvents:(BOOL)newSetting;
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{
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BOOL oldSetting;
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@synchronized(self) {
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oldSetting = _shouldInterceptMediaKeyEvents;
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_shouldInterceptMediaKeyEvents = newSetting;
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}
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if(_tapThreadRL && oldSetting != newSetting) {
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id grab = [self grab];
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[grab pauseTapOnTapThread:newSetting];
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NSTimer *timer = [NSTimer timerWithTimeInterval:0 invocation:[grab invocation] repeats:NO];
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CFRunLoopAddTimer(_tapThreadRL, (CFRunLoopTimerRef)timer, kCFRunLoopCommonModes);
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}
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}
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#pragma mark
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#pragma mark -
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#pragma mark Event tap callbacks
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// Note: method called on background thread
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static CGEventRef tapEventCallback2(CGEventTapProxy proxy, CGEventType type, CGEventRef event, void *refcon)
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{
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SPMediaKeyTap *self = refcon;
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if(type == kCGEventTapDisabledByTimeout) {
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NSLog(@"Media key event tap was disabled by timeout");
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CGEventTapEnable(self->_eventPort, TRUE);
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return event;
|
||||||
|
} else if(type == kCGEventTapDisabledByUserInput) {
|
||||||
|
// Was disabled manually by -[pauseTapOnTapThread]
|
||||||
|
return event;
|
||||||
|
}
|
||||||
|
NSEvent *nsEvent = nil;
|
||||||
|
@try {
|
||||||
|
nsEvent = [NSEvent eventWithCGEvent:event];
|
||||||
|
}
|
||||||
|
@catch (NSException * e) {
|
||||||
|
NSLog(@"Strange CGEventType: %d: %@", type, e);
|
||||||
|
assert(0);
|
||||||
|
return event;
|
||||||
|
}
|
||||||
|
|
||||||
|
if (type != NX_SYSDEFINED || [nsEvent subtype] != SPSystemDefinedEventMediaKeys)
|
||||||
|
return event;
|
||||||
|
|
||||||
|
int keyCode = (([nsEvent data1] & 0xFFFF0000) >> 16);
|
||||||
|
if (keyCode != NX_KEYTYPE_PLAY && keyCode != NX_KEYTYPE_FAST && keyCode != NX_KEYTYPE_REWIND && keyCode != NX_KEYTYPE_PREVIOUS && keyCode != NX_KEYTYPE_NEXT)
|
||||||
|
return event;
|
||||||
|
|
||||||
|
if (![self shouldInterceptMediaKeyEvents])
|
||||||
|
return event;
|
||||||
|
|
||||||
|
[nsEvent retain]; // matched in handleAndReleaseMediaKeyEvent:
|
||||||
|
[self performSelectorOnMainThread:@selector(handleAndReleaseMediaKeyEvent:) withObject:nsEvent waitUntilDone:NO];
|
||||||
|
|
||||||
|
return NULL;
|
||||||
|
}
|
||||||
|
|
||||||
|
static CGEventRef tapEventCallback(CGEventTapProxy proxy, CGEventType type, CGEventRef event, void *refcon)
|
||||||
|
{
|
||||||
|
NSAutoreleasePool *pool = [NSAutoreleasePool new];
|
||||||
|
CGEventRef ret = tapEventCallback2(proxy, type, event, refcon);
|
||||||
|
[pool drain];
|
||||||
|
return ret;
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
// event will have been retained in the other thread
|
||||||
|
-(void)handleAndReleaseMediaKeyEvent:(NSEvent *)event {
|
||||||
|
[event autorelease];
|
||||||
|
|
||||||
|
[_delegate mediaKeyTap:self receivedMediaKeyEvent:event];
|
||||||
|
}
|
||||||
|
|
||||||
|
|
||||||
|
-(void)eventTapThread;
|
||||||
|
{
|
||||||
|
_tapThreadRL = CFRunLoopGetCurrent();
|
||||||
|
CFRunLoopAddSource(_tapThreadRL, _eventPortSource, kCFRunLoopCommonModes);
|
||||||
|
CFRunLoopRun();
|
||||||
|
}
|
||||||
|
|
||||||
|
#pragma mark Task switching callbacks
|
||||||
|
|
||||||
|
NSString *kMediaKeyUsingBundleIdentifiersDefaultsKey = @"SPApplicationsNeedingMediaKeys";
|
||||||
|
NSString *kIgnoreMediaKeysDefaultsKey = @"SPIgnoreMediaKeys";
|
||||||
|
|
||||||
|
|
||||||
|
|
||||||
|
-(void)mediaKeyAppListChanged;
|
||||||
|
{
|
||||||
|
if([_mediaKeyAppList count] == 0) return;
|
||||||
|
|
||||||
|
/*NSLog(@"--");
|
||||||
|
int i = 0;
|
||||||
|
for (NSValue *psnv in _mediaKeyAppList) {
|
||||||
|
ProcessSerialNumber psn; [psnv getValue:&psn];
|
||||||
|
NSDictionary *processInfo = [(id)ProcessInformationCopyDictionary(
|
||||||
|
&psn,
|
||||||
|
kProcessDictionaryIncludeAllInformationMask
|
||||||
|
) autorelease];
|
||||||
|
NSString *bundleIdentifier = [processInfo objectForKey:(id)kCFBundleIdentifierKey];
|
||||||
|
NSLog(@"%d: %@", i++, bundleIdentifier);
|
||||||
|
}*/
|
||||||
|
|
||||||
|
ProcessSerialNumber mySerial, topSerial;
|
||||||
|
GetCurrentProcess(&mySerial);
|
||||||
|
[[_mediaKeyAppList objectAtIndex:0] getValue:&topSerial];
|
||||||
|
|
||||||
|
Boolean same;
|
||||||
|
OSErr err = SameProcess(&mySerial, &topSerial, &same);
|
||||||
|
[self setShouldInterceptMediaKeyEvents:(err == noErr && same)];
|
||||||
|
|
||||||
|
}
|
||||||
|
-(void)appIsNowFrontmost:(ProcessSerialNumber)psn;
|
||||||
|
{
|
||||||
|
NSValue *psnv = [NSValue valueWithBytes:&psn objCType:@encode(ProcessSerialNumber)];
|
||||||
|
|
||||||
|
NSDictionary *processInfo = [(id)ProcessInformationCopyDictionary(
|
||||||
|
&psn,
|
||||||
|
kProcessDictionaryIncludeAllInformationMask
|
||||||
|
) autorelease];
|
||||||
|
NSString *bundleIdentifier = [processInfo objectForKey:(id)kCFBundleIdentifierKey];
|
||||||
|
|
||||||
|
NSArray *whitelistIdentifiers = [[NSUserDefaults standardUserDefaults] arrayForKey:kMediaKeyUsingBundleIdentifiersDefaultsKey];
|
||||||
|
if(![whitelistIdentifiers containsObject:bundleIdentifier]) return;
|
||||||
|
|
||||||
|
[_mediaKeyAppList removeObject:psnv];
|
||||||
|
[_mediaKeyAppList insertObject:psnv atIndex:0];
|
||||||
|
[self mediaKeyAppListChanged];
|
||||||
|
}
|
||||||
|
-(void)appTerminated:(ProcessSerialNumber)psn;
|
||||||
|
{
|
||||||
|
NSValue *psnv = [NSValue valueWithBytes:&psn objCType:@encode(ProcessSerialNumber)];
|
||||||
|
[_mediaKeyAppList removeObject:psnv];
|
||||||
|
[self mediaKeyAppListChanged];
|
||||||
|
}
|
||||||
|
|
||||||
|
static pascal OSStatus appSwitched (EventHandlerCallRef nextHandler, EventRef evt, void* userData)
|
||||||
|
{
|
||||||
|
SPMediaKeyTap *self = (id)userData;
|
||||||
|
|
||||||
|
ProcessSerialNumber newSerial;
|
||||||
|
GetFrontProcess(&newSerial);
|
||||||
|
|
||||||
|
[self appIsNowFrontmost:newSerial];
|
||||||
|
|
||||||
|
return CallNextEventHandler(nextHandler, evt);
|
||||||
|
}
|
||||||
|
|
||||||
|
static pascal OSStatus appTerminated (EventHandlerCallRef nextHandler, EventRef evt, void* userData)
|
||||||
|
{
|
||||||
|
SPMediaKeyTap *self = (id)userData;
|
||||||
|
|
||||||
|
ProcessSerialNumber deadPSN;
|
||||||
|
|
||||||
|
GetEventParameter(
|
||||||
|
evt,
|
||||||
|
kEventParamProcessID,
|
||||||
|
typeProcessSerialNumber,
|
||||||
|
NULL,
|
||||||
|
sizeof(deadPSN),
|
||||||
|
NULL,
|
||||||
|
&deadPSN
|
||||||
|
);
|
||||||
|
|
||||||
|
|
||||||
|
[self appTerminated:deadPSN];
|
||||||
|
return CallNextEventHandler(nextHandler, evt);
|
||||||
|
}
|
||||||
|
|
||||||
|
@end
|
||||||
Loading…
Reference in New Issue