43 lines
1.8 KiB
Mathematica
43 lines
1.8 KiB
Mathematica
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/**
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* Copyright (c) 2015-present, Facebook, Inc.
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* All rights reserved.
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*
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* This source code is licensed under the BSD-style license found in the
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* LICENSE file in the root directory of this source tree.
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*/
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#import "FBXCDeviceEvent.h"
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#import "FBErrorBuilder.h"
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id<FBXCDeviceEvent> FBCreateXCDeviceEvent(unsigned int page,
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unsigned int usage,
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double duration,
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NSError **error)
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{
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Class xcDeviceEventClass = NSClassFromString(@"XCDeviceEvent");
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if (nil == xcDeviceEventClass) {
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[[[FBErrorBuilder builder]
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withDescription:@"Cannot find XCDeviceEvent class"]
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buildError:error];
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return nil;
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}
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SEL deviceEventFactorySelector = NSSelectorFromString(@"deviceEventWithPage:usage:duration:");
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if (![xcDeviceEventClass respondsToSelector:deviceEventFactorySelector]) {
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[[[FBErrorBuilder builder]
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withDescription:@"'deviceEventWithPage:usage:duration:' factory method is not found on XCDeviceEvent class"]
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buildError:error];
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return nil;
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}
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NSMethodSignature *deviceEventFactorySignature = [xcDeviceEventClass methodSignatureForSelector:deviceEventFactorySelector];
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NSInvocation *deviceEventFactoryInvocation = [NSInvocation invocationWithMethodSignature:deviceEventFactorySignature];
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[deviceEventFactoryInvocation setSelector:deviceEventFactorySelector];
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[deviceEventFactoryInvocation setArgument:&page atIndex:2];
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[deviceEventFactoryInvocation setArgument:&usage atIndex:3];
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[deviceEventFactoryInvocation setArgument:&duration atIndex:4];
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[deviceEventFactoryInvocation invokeWithTarget:xcDeviceEventClass];
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id<FBXCDeviceEvent> __unsafe_unretained instance;
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[deviceEventFactoryInvocation getReturnValue:&instance];
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return instance;
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}
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