axmol/cocos2dx/platform/ios/AccelerometerDelegateWrapper.mm

/****************************************************************************
 Copyright (c) 2010 cocos2d-x.org
 
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#import "AccelerometerDelegateWrapper.h"

@implementation AccelerometerDispatcher

static AccelerometerDispatcher* s_pAccelerometerDispatcher;

@synthesize delegateWrappers;

+ (id) sharedAccelerometerDispather
{
    if (s_pAccelerometerDispatcher == nil) {
        s_pAccelerometerDispatcher = [[self alloc] init];
    }
    
    return s_pAccelerometerDispatcher;
}

- (id) init
{
    self.delegateWrappers = [NSMutableArray arrayWithCapacity:4];
    [[UIAccelerometer sharedAccelerometer] setDelegate: self];
    
    return self;
}

- (void) dealloc
{
    [[UIAccelerometer sharedAccelerometer] setDelegate: nil];
    [delegateWrappers release];
    [super dealloc];
}

- (id) findDelegateWrapperByDelegate: (cocos2d::CCAccelerometerDelegate *) delegate
{
    for (AccelerometerDelegateWrapper *wrapper in delegateWrappers) {
        if (wrapper.delegate_ == delegate) {
            return wrapper;
        }
    }
    
    return nil;
}

- (void) addDelegate: (cocos2d::CCAccelerometerDelegate *) delegate
{
    [delegateWrappers addObject: [AccelerometerDelegateWrapper delegateWrapperWithDelegate:delegate]];
}

- (void) removeDelegate: (cocos2d::CCAccelerometerDelegate *) delegate
{
    [delegateWrappers removeObject:[self findDelegateWrapperByDelegate:delegate]];
}

- (void)accelerometer:(UIAccelerometer *)accelerometer didAccelerate:(UIAcceleration *)acceleration
{
    cocos2d::CCAcceleration accelerationCpp;
    
    accelerationCpp.x = acceleration.x;
    accelerationCpp.y = acceleration.y;
    accelerationCpp.z = acceleration.z;
    accelerationCpp.timestamp = acceleration.timestamp;
    
    for (AccelerometerDelegateWrapper *wrapper in delegateWrappers) {
        [wrapper didAccelerate: &accelerationCpp];
    }
}

@end


@implementation AccelerometerDelegateWrapper

@synthesize delegate_;

+ (id)delegateWrapperWithDelegate:(cocos2d::CCAccelerometerDelegate *)delegate
{
    return [[self alloc] initWithDelegate: delegate];
}

-  (id) initWithDelegate: (cocos2d::CCAccelerometerDelegate *)delegate
{
    delegate->AccelerometerKeep();
    self.delegate_ = delegate;
    
    return self;
}

-  (void) didAccelerate: (cocos2d::CCAcceleration *)acceleration
{
    self.delegate_->didAccelerate(acceleration);
}

-  (void) dealloc
{
    self.delegate_->AccelerometerDestroy();
    
    [super dealloc];
}

@end