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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /dom/events/AsyncEventDispatcher.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'dom/events/AsyncEventDispatcher.cpp')
-rw-r--r--dom/events/AsyncEventDispatcher.cpp90
1 files changed, 90 insertions, 0 deletions
diff --git a/dom/events/AsyncEventDispatcher.cpp b/dom/events/AsyncEventDispatcher.cpp
new file mode 100644
index 000000000..da36f7993
--- /dev/null
+++ b/dom/events/AsyncEventDispatcher.cpp
@@ -0,0 +1,90 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=8 sts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "mozilla/AsyncEventDispatcher.h"
+#include "mozilla/BasicEvents.h"
+#include "mozilla/EventDispatcher.h"
+#include "mozilla/dom/Event.h" // for nsIDOMEvent::InternalDOMEvent()
+#include "mozilla/dom/EventTarget.h"
+#include "nsContentUtils.h"
+#include "nsIDOMEvent.h"
+
+namespace mozilla {
+
+using namespace dom;
+
+/******************************************************************************
+ * mozilla::AsyncEventDispatcher
+ ******************************************************************************/
+
+AsyncEventDispatcher::AsyncEventDispatcher(EventTarget* aTarget,
+ WidgetEvent& aEvent)
+ : mTarget(aTarget)
+{
+ MOZ_ASSERT(mTarget);
+ RefPtr<Event> event =
+ EventDispatcher::CreateEvent(aTarget, nullptr, &aEvent, EmptyString());
+ mEvent = event.forget();
+ NS_ASSERTION(mEvent, "Should never fail to create an event");
+ mEvent->DuplicatePrivateData();
+ mEvent->SetTrusted(aEvent.IsTrusted());
+}
+
+NS_IMETHODIMP
+AsyncEventDispatcher::Run()
+{
+ if (mCanceled) {
+ return NS_OK;
+ }
+ mTarget->AsyncEventRunning(this);
+ RefPtr<Event> event = mEvent ? mEvent->InternalDOMEvent() : nullptr;
+ if (!event) {
+ event = NS_NewDOMEvent(mTarget, nullptr, nullptr);
+ event->InitEvent(mEventType, mBubbles, false);
+ event->SetTrusted(true);
+ }
+ if (mOnlyChromeDispatch) {
+ MOZ_ASSERT(event->IsTrusted());
+ event->WidgetEventPtr()->mFlags.mOnlyChromeDispatch = true;
+ }
+ bool dummy;
+ mTarget->DispatchEvent(event, &dummy);
+ return NS_OK;
+}
+
+nsresult
+AsyncEventDispatcher::Cancel()
+{
+ mCanceled = true;
+ return NS_OK;
+}
+
+nsresult
+AsyncEventDispatcher::PostDOMEvent()
+{
+ RefPtr<AsyncEventDispatcher> ensureDeletionWhenFailing = this;
+ return NS_DispatchToCurrentThread(this);
+}
+
+void
+AsyncEventDispatcher::RunDOMEventWhenSafe()
+{
+ RefPtr<AsyncEventDispatcher> ensureDeletionWhenFailing = this;
+ nsContentUtils::AddScriptRunner(this);
+}
+
+/******************************************************************************
+ * mozilla::LoadBlockingAsyncEventDispatcher
+ ******************************************************************************/
+
+LoadBlockingAsyncEventDispatcher::~LoadBlockingAsyncEventDispatcher()
+{
+ if (mBlockedDoc) {
+ mBlockedDoc->UnblockOnload(true);
+ }
+}
+
+} // namespace mozilla