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58 lines
2.1 KiB
C++
58 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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#ifndef mozilla_dom_ScriptTrace_h
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#define mozilla_dom_ScriptTrace_h
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#include "mozilla/AsyncEventDispatcher.h"
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#include "mozilla/StaticPrefs_dom.h"
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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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#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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#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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namespace mozilla::dom::script {
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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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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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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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#endif // mozilla_dom_ScriptTrace_h
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