michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include "mozilla/AsyncEventDispatcher.h"
michael@0: #include "mozilla/BasicEvents.h"
michael@0: #include "mozilla/EventDispatcher.h"
michael@0: #include "mozilla/dom/Event.h" // for nsIDOMEvent::InternalDOMEvent()
michael@0: #include "mozilla/dom/EventTarget.h"
michael@0: #include "nsContentUtils.h"
michael@0: #include "nsIDOMEvent.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: 
michael@0: using namespace dom;
michael@0: 
michael@0: /******************************************************************************
michael@0:  * mozilla::AsyncEventDispatcher
michael@0:  ******************************************************************************/
michael@0: 
michael@0: AsyncEventDispatcher::AsyncEventDispatcher(nsINode* aEventNode,
michael@0:                                            WidgetEvent& aEvent)
michael@0:   : mEventNode(aEventNode)
michael@0:   , mDispatchChromeOnly(false)
michael@0: {
michael@0:   MOZ_ASSERT(mEventNode);
michael@0:   EventDispatcher::CreateEvent(aEventNode, nullptr, &aEvent, EmptyString(),
michael@0:                                getter_AddRefs(mEvent));
michael@0:   NS_ASSERTION(mEvent, "Should never fail to create an event");
michael@0:   mEvent->DuplicatePrivateData();
michael@0:   mEvent->SetTrusted(aEvent.mFlags.mIsTrusted);
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: AsyncEventDispatcher::Run()
michael@0: {
michael@0:   if (mEvent) {
michael@0:     if (mDispatchChromeOnly) {
michael@0:       MOZ_ASSERT(mEvent->InternalDOMEvent()->IsTrusted());
michael@0: 
michael@0:       nsCOMPtr<nsIDocument> ownerDoc = mEventNode->OwnerDoc();
michael@0:       nsPIDOMWindow* window = ownerDoc->GetWindow();
michael@0:       if (!window) {
michael@0:         return NS_ERROR_INVALID_ARG;
michael@0:       }
michael@0: 
michael@0:       nsCOMPtr<EventTarget> target = window->GetParentTarget();
michael@0:       if (!target) {
michael@0:         return NS_ERROR_INVALID_ARG;
michael@0:       }
michael@0:       EventDispatcher::DispatchDOMEvent(target, nullptr, mEvent,
michael@0:                                         nullptr, nullptr);
michael@0:     } else {
michael@0:       nsCOMPtr<EventTarget> target = mEventNode.get();
michael@0:       bool defaultActionEnabled; // This is not used because the caller is async
michael@0:       target->DispatchEvent(mEvent, &defaultActionEnabled);
michael@0:     }
michael@0:   } else {
michael@0:     nsIDocument* doc = mEventNode->OwnerDoc();
michael@0:     if (mDispatchChromeOnly) {
michael@0:       nsContentUtils::DispatchChromeEvent(doc, mEventNode, mEventType,
michael@0:                                           mBubbles, false);
michael@0:     } else {
michael@0:       nsContentUtils::DispatchTrustedEvent(doc, mEventNode, mEventType,
michael@0:                                            mBubbles, false);
michael@0:     }
michael@0:   }
michael@0: 
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: nsresult
michael@0: AsyncEventDispatcher::PostDOMEvent()
michael@0: {
michael@0:   return NS_DispatchToCurrentThread(this);
michael@0: }
michael@0: 
michael@0: void
michael@0: AsyncEventDispatcher::RunDOMEventWhenSafe()
michael@0: {
michael@0:   nsContentUtils::AddScriptRunner(this);
michael@0: }
michael@0: 
michael@0: /******************************************************************************
michael@0:  * mozilla::LoadBlockingAsyncEventDispatcher
michael@0:  ******************************************************************************/
michael@0: 
michael@0: LoadBlockingAsyncEventDispatcher::~LoadBlockingAsyncEventDispatcher()
michael@0: {
michael@0:   if (mBlockedDoc) {
michael@0:     mBlockedDoc->UnblockOnload(true);
michael@0:   }
michael@0: }
michael@0: 
michael@0: } // namespace mozilla