mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
105 lines
3.4 KiB
C++
105 lines
3.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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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#include "mozilla/AsyncEventDispatcher.h"
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#include "mozilla/BasicEvents.h"
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#include "mozilla/EventDispatcher.h"
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#include "mozilla/dom/Event.h" // for nsIDOMEvent::InternalDOMEvent()
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#include "mozilla/dom/EventTarget.h"
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#include "nsContentUtils.h"
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#include "nsIDOMEvent.h"
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namespace mozilla {
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using namespace dom;
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/******************************************************************************
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* mozilla::AsyncEventDispatcher
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******************************************************************************/
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AsyncEventDispatcher::AsyncEventDispatcher(EventTarget* aTarget,
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WidgetEvent& aEvent)
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: mTarget(aTarget)
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, mDispatchChromeOnly(false)
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{
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MOZ_ASSERT(mTarget);
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EventDispatcher::CreateEvent(aTarget, nullptr, &aEvent, EmptyString(),
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getter_AddRefs(mEvent));
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NS_ASSERTION(mEvent, "Should never fail to create an event");
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mEvent->DuplicatePrivateData();
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mEvent->SetTrusted(aEvent.mFlags.mIsTrusted);
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}
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NS_IMETHODIMP
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AsyncEventDispatcher::Run()
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{
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if (mEvent) {
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if (mDispatchChromeOnly) {
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MOZ_ASSERT(mEvent->InternalDOMEvent()->IsTrusted());
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nsCOMPtr<nsINode> node = do_QueryInterface(mTarget);
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MOZ_ASSERT(node, "ChromeOnly dispatch supported with Node targets only!");
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nsPIDOMWindow* window = node->OwnerDoc()->GetWindow();
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if (!window) {
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return NS_ERROR_INVALID_ARG;
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}
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nsCOMPtr<EventTarget> target = window->GetParentTarget();
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if (!target) {
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return NS_ERROR_INVALID_ARG;
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}
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EventDispatcher::DispatchDOMEvent(target, nullptr, mEvent,
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nullptr, nullptr);
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} else {
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bool defaultActionEnabled; // This is not used because the caller is async
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mTarget->DispatchEvent(mEvent, &defaultActionEnabled);
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}
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} else {
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if (mDispatchChromeOnly) {
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nsCOMPtr<nsINode> node = do_QueryInterface(mTarget);
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MOZ_ASSERT(node, "ChromeOnly dispatch supported with Node targets only!");
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nsContentUtils::DispatchChromeEvent(node->OwnerDoc(), node, mEventType,
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mBubbles, false);
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} else {
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nsCOMPtr<nsIDOMEvent> event;
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NS_NewDOMEvent(getter_AddRefs(event), mTarget, nullptr, nullptr);
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nsresult rv = event->InitEvent(mEventType, mBubbles, false);
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NS_ENSURE_SUCCESS(rv, rv);
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event->SetTrusted(true);
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bool dummy;
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mTarget->DispatchEvent(event, &dummy);
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}
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}
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return NS_OK;
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}
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nsresult
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AsyncEventDispatcher::PostDOMEvent()
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{
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nsRefPtr<AsyncEventDispatcher> ensureDeletionWhenFailing = this;
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return NS_DispatchToCurrentThread(this);
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}
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void
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AsyncEventDispatcher::RunDOMEventWhenSafe()
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{
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nsRefPtr<AsyncEventDispatcher> ensureDeletionWhenFailing = this;
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nsContentUtils::AddScriptRunner(this);
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}
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/******************************************************************************
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* mozilla::LoadBlockingAsyncEventDispatcher
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******************************************************************************/
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LoadBlockingAsyncEventDispatcher::~LoadBlockingAsyncEventDispatcher()
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{
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if (mBlockedDoc) {
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mBlockedDoc->UnblockOnload(true);
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}
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}
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} // namespace mozilla
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