forked from mirrors/gecko-dev
		
	
		
			
				
	
	
		
			57 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			57 lines
		
	
	
	
		
			2.1 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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| /* vim: set ts=8 sts=2 et sw=2 tw=80: */
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| /* This Source Code Form is subject to the terms of the Mozilla Public
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|  * License, v. 2.0. If a copy of the MPL was not distributed with this
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|  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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| 
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| #ifndef mozilla_dom_ScriptTrace_h
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| #define mozilla_dom_ScriptTrace_h
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| 
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| #include "mozilla/AsyncEventDispatcher.h"
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| #include "mozilla/StaticPrefs_dom.h"
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| 
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| // This macro is used to wrap a tracing mechanism which is scheduling events
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| // which are then used by the JavaScript code of test cases to track the code
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| // path to verify the optimizations are working as expected.
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| #define TRACE_FOR_TEST(elem, str)                  \
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|   PR_BEGIN_MACRO                                   \
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|   nsresult rv = NS_OK;                             \
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|   rv = mozilla::dom::script::TestingDispatchEvent( \
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|       elem, NS_LITERAL_STRING_FROM_CSTRING(str));  \
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|   NS_ENSURE_SUCCESS(rv, rv);                       \
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|   PR_END_MACRO
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| 
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| #define TRACE_FOR_TEST_BOOL(elem, str)             \
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|   PR_BEGIN_MACRO                                   \
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|   nsresult rv = NS_OK;                             \
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|   rv = mozilla::dom::script::TestingDispatchEvent( \
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|       elem, NS_LITERAL_STRING_FROM_CSTRING(str));  \
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|   NS_ENSURE_SUCCESS(rv, false);                    \
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|   PR_END_MACRO
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| 
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| #define TRACE_FOR_TEST_NONE(elem, str)            \
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|   PR_BEGIN_MACRO                                  \
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|   mozilla::dom::script::TestingDispatchEvent(     \
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|       elem, NS_LITERAL_STRING_FROM_CSTRING(str)); \
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|   PR_END_MACRO
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| 
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| namespace mozilla::dom::script {
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| 
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| static nsresult TestingDispatchEvent(nsIScriptElement* aScriptElement,
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|                                      const nsAString& aEventType) {
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|   if (!StaticPrefs::dom_expose_test_interfaces()) {
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|     return NS_OK;
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|   }
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| 
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|   nsCOMPtr<nsINode> target(do_QueryInterface(aScriptElement));
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|   if (!target) {
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|     return NS_OK;
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|   }
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| 
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|   RefPtr<AsyncEventDispatcher> dispatcher = new AsyncEventDispatcher(
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|       target, aEventType, CanBubble::eYes, ChromeOnlyDispatch::eNo);
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|   return dispatcher->PostDOMEvent();
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| }
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| }  // namespace mozilla::dom::script
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| 
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| #endif  // mozilla_dom_ScriptTrace_h
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