mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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283 lines
8.8 KiB
C++
283 lines
8.8 KiB
C++
/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla browser.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications, Inc.
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* Portions created by the Initial Developer are Copyright (C) 1999
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* David W. Hyatt <hyatt@netscape.com> (Original Author)
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsCOMPtr.h"
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#include "nsWindowRoot.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMDocument.h"
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#include "nsIDocument.h"
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#include "nsIEventListenerManager.h"
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#include "nsIPresShell.h"
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#include "nsPresContext.h"
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#include "nsLayoutCID.h"
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#include "nsContentCID.h"
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#include "nsIEventStateManager.h"
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#include "nsIPrivateDOMEvent.h"
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#include "nsIDOMWindowInternal.h"
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#include "nsFocusController.h"
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#include "nsString.h"
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#include "nsEventDispatcher.h"
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#include "nsIProgrammingLanguage.h"
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#include "nsGUIEvent.h"
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#include "nsCycleCollectionParticipant.h"
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static NS_DEFINE_CID(kEventListenerManagerCID, NS_EVENTLISTENERMANAGER_CID);
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nsWindowRoot::nsWindowRoot(nsIDOMWindow* aWindow)
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{
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mWindow = aWindow;
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// Create and init our focus controller.
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nsFocusController::Create(getter_AddRefs(mFocusController));
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}
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nsWindowRoot::~nsWindowRoot()
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{
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if (mListenerManager) {
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mListenerManager->Disconnect();
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}
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}
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NS_IMPL_CYCLE_COLLECTION_2(nsWindowRoot, mListenerManager, mFocusController)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsWindowRoot)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMEventTarget)
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NS_INTERFACE_MAP_ENTRY(nsPIDOMEventTarget)
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NS_INTERFACE_MAP_ENTRY(nsPIWindowRoot)
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NS_INTERFACE_MAP_ENTRY(nsIDOMEventTarget)
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NS_INTERFACE_MAP_ENTRY(nsIDOM3EventTarget)
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NS_INTERFACE_MAP_ENTRY(nsIDOMNSEventTarget)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF_AMBIGUOUS(nsWindowRoot, nsIDOMEventTarget)
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NS_IMPL_CYCLE_COLLECTING_RELEASE_AMBIGUOUS(nsWindowRoot, nsIDOMEventTarget)
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NS_IMETHODIMP
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nsWindowRoot::AddEventListener(const nsAString& aType, nsIDOMEventListener* aListener, PRBool aUseCapture)
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{
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return AddEventListener(aType, aListener, aUseCapture, PR_FALSE, 0);
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}
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NS_IMETHODIMP
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nsWindowRoot::RemoveEventListener(const nsAString& aType, nsIDOMEventListener* aListener, PRBool aUseCapture)
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{
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return RemoveGroupedEventListener(aType, aListener, aUseCapture, nsnull);
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}
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NS_IMETHODIMP
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nsWindowRoot::DispatchEvent(nsIDOMEvent* aEvt, PRBool *_retval)
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{
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nsEventStatus status = nsEventStatus_eIgnore;
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nsresult rv = nsEventDispatcher::DispatchDOMEvent(
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static_cast<nsPIDOMEventTarget*>(this), nsnull, aEvt, nsnull, &status);
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*_retval = (status != nsEventStatus_eConsumeNoDefault);
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return rv;
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}
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nsresult
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nsWindowRoot::DispatchDOMEvent(nsEvent* aEvent,
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nsIDOMEvent* aDOMEvent,
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nsPresContext* aPresContext,
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nsEventStatus* aEventStatus)
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{
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return nsEventDispatcher::DispatchDOMEvent(static_cast<nsPIDOMEventTarget*>(this),
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aEvent, aDOMEvent,
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aPresContext, aEventStatus);
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}
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NS_IMETHODIMP
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nsWindowRoot::AddGroupedEventListener(const nsAString & aType, nsIDOMEventListener *aListener,
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PRBool aUseCapture, nsIDOMEventGroup *aEvtGrp)
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{
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nsCOMPtr<nsIEventListenerManager> manager = GetListenerManager(PR_TRUE);
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NS_ENSURE_STATE(manager);
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PRInt32 flags = aUseCapture ? NS_EVENT_FLAG_CAPTURE : NS_EVENT_FLAG_BUBBLE;
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return manager->AddEventListenerByType(aListener, aType, flags, aEvtGrp);
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}
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NS_IMETHODIMP
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nsWindowRoot::RemoveGroupedEventListener(const nsAString & aType, nsIDOMEventListener *aListener,
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PRBool aUseCapture, nsIDOMEventGroup *aEvtGrp)
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{
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if (mListenerManager) {
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PRInt32 flags = aUseCapture ? NS_EVENT_FLAG_CAPTURE : NS_EVENT_FLAG_BUBBLE;
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return mListenerManager->RemoveEventListenerByType(aListener, aType, flags,
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aEvtGrp);
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}
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return NS_OK;
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}
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NS_IMETHODIMP
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nsWindowRoot::CanTrigger(const nsAString & type, PRBool *_retval)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsWindowRoot::IsRegisteredHere(const nsAString & type, PRBool *_retval)
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{
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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NS_IMETHODIMP
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nsWindowRoot::AddEventListener(const nsAString& aType,
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nsIDOMEventListener *aListener,
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PRBool aUseCapture, PRBool aWantsUntrusted,
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PRUint8 optional_argc)
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{
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NS_ASSERTION(!aWantsUntrusted || optional_argc > 0,
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"Won't check if this is chrome, you want to set "
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"aWantsUntrusted to PR_FALSE or make the aWantsUntrusted "
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"explicit by making optional_argc non-zero.");
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nsIEventListenerManager* manager = GetListenerManager(PR_TRUE);
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NS_ENSURE_STATE(manager);
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PRInt32 flags = aUseCapture ? NS_EVENT_FLAG_CAPTURE : NS_EVENT_FLAG_BUBBLE;
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if (aWantsUntrusted) {
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flags |= NS_PRIV_EVENT_UNTRUSTED_PERMITTED;
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}
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return manager->AddEventListenerByType(aListener, aType, flags, nsnull);
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}
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nsresult
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nsWindowRoot::AddEventListenerByIID(nsIDOMEventListener *aListener, const nsIID& aIID)
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{
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nsIEventListenerManager* manager = GetListenerManager(PR_TRUE);
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NS_ENSURE_STATE(manager);
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return manager->AddEventListenerByIID(aListener, aIID, NS_EVENT_FLAG_BUBBLE);
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}
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nsresult
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nsWindowRoot::RemoveEventListenerByIID(nsIDOMEventListener *aListener, const nsIID& aIID)
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{
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nsIEventListenerManager* manager = GetListenerManager(PR_TRUE);
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if (manager) {
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return manager->RemoveEventListenerByIID(aListener, aIID,
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NS_EVENT_FLAG_BUBBLE);
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}
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return NS_OK;
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}
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nsIEventListenerManager*
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nsWindowRoot::GetListenerManager(PRBool aCreateIfNotFound)
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{
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if (!mListenerManager) {
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if (!aCreateIfNotFound) {
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return nsnull;
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}
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mListenerManager = do_CreateInstance(kEventListenerManagerCID);
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if (mListenerManager) {
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mListenerManager->SetListenerTarget(
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static_cast<nsPIDOMEventTarget*>(this));
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}
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}
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return mListenerManager;
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}
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nsresult
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nsWindowRoot::GetSystemEventGroup(nsIDOMEventGroup **aGroup)
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{
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nsIEventListenerManager* manager = GetListenerManager(PR_TRUE);
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NS_ENSURE_STATE(manager);
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return manager->GetSystemEventGroupLM(aGroup);
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}
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nsresult
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nsWindowRoot::PreHandleEvent(nsEventChainPreVisitor& aVisitor)
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{
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aVisitor.mCanHandle = PR_TRUE;
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aVisitor.mForceContentDispatch = PR_TRUE; //FIXME! Bug 329119
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// To keep mWindow alive
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aVisitor.mItemData = mWindow;
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return NS_OK;
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}
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nsresult
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nsWindowRoot::PostHandleEvent(nsEventChainPostVisitor& aVisitor)
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{
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return NS_OK;
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}
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NS_IMETHODIMP
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nsWindowRoot::GetFocusController(nsIFocusController** aResult)
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{
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*aResult = mFocusController;
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NS_IF_ADDREF(*aResult);
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return NS_OK;
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}
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nsIDOMWindow*
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nsWindowRoot::GetWindow()
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{
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return mWindow;
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}
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NS_IMETHODIMP
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nsWindowRoot::GetScriptTypeID(PRUint32 *aScriptType)
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{
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NS_ERROR("No default script type here - ask some element");
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return nsIProgrammingLanguage::UNKNOWN;
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}
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NS_IMETHODIMP
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nsWindowRoot::SetScriptTypeID(PRUint32 aScriptType)
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{
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NS_ERROR("Can't change default script type for a document");
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return NS_ERROR_NOT_IMPLEMENTED;
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}
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///////////////////////////////////////////////////////////////////////////////////
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nsresult
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NS_NewWindowRoot(nsIDOMWindow* aWindow, nsPIDOMEventTarget** aResult)
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{
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*aResult = new nsWindowRoot(aWindow);
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if (!*aResult)
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return NS_ERROR_OUT_OF_MEMORY;
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NS_ADDREF(*aResult);
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return NS_OK;
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}
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