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WebDriverAgentLib/Routing/FBXCDeviceEvent.m

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