38 lines
		
	
	
	
		
			1.4 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			38 lines
		
	
	
	
		
			1.4 KiB
			
		
	
	
	
		
			C++
		
	
	
	
	
	
// Copyright (c) 2015 GitHub, Inc.
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// Use of this source code is governed by the MIT license that can be
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// found in the LICENSE file.
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#include "atom/common/api/event_emitter_caller.h"
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#include "atom/common/api/locker.h"
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#include "atom/common/node_includes.h"
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namespace mate {
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namespace internal {
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v8::Local<v8::Value> CallMethodWithArgs(v8::Isolate* isolate,
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                                        v8::Local<v8::Object> obj,
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                                        const char* method,
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                                        ValueVector* args) {
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  // Perform microtask checkpoint after running JavaScript.
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  v8::MicrotasksScope script_scope(isolate,
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                                   v8::MicrotasksScope::kRunMicrotasks);
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  // Use node::MakeCallback to call the callback, and it will also run pending
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  // tasks in Node.js.
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  v8::MaybeLocal<v8::Value> ret = node::MakeCallback(
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      isolate, obj, method, args->size(), &args->front(), {0, 0});
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  // If the JS function throws an exception (doesn't return a value) the result
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  // of MakeCallback will be empty and therefore ToLocal will be false, in this
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  // case we need to return "false" as that indicates that the event emitter did
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  // not handle the event
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  v8::Local<v8::Value> localRet;
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  if (ret.ToLocal(&localRet)) {
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    return localRet;
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  }
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  return v8::Boolean::New(isolate, false);
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}
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}  // namespace internal
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}  // namespace mate
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