mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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324 lines
9.9 KiB
C++
324 lines
9.9 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 "nsPIDOMWindow.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 "nsEventListenerManager.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 "nsIPrivateDOMEvent.h"
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#include "nsIDOMWindowInternal.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 "nsGlobalWindow.h"
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#include "nsFocusManager.h"
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#include "nsIDOMHTMLInputElement.h"
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#include "nsIDOMHTMLTextAreaElement.h"
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#include "nsIControllers.h"
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#include "nsCycleCollectionParticipant.h"
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#ifdef MOZ_XUL
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#include "nsIDOMXULElement.h"
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#endif
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static NS_DEFINE_CID(kEventListenerManagerCID, NS_EVENTLISTENERMANAGER_CID);
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nsWindowRoot::nsWindowRoot(nsPIDOMWindow* aWindow)
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{
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mWindow = aWindow;
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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_CLASS(nsWindowRoot)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN(nsWindowRoot)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NATIVE_MEMBER(mListenerManager,
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nsEventListenerManager)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mPopupNode)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_NSCOMPTR(mParent)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN(nsWindowRoot)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mListenerManager)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mPopupNode)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_NSCOMPTR(mParent)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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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(nsPIWindowRoot)
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NS_INTERFACE_MAP_ENTRY(nsIDOMEventTarget)
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NS_INTERFACE_MAP_END
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NS_IMPL_CYCLE_COLLECTING_ADDREF(nsWindowRoot)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(nsWindowRoot)
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NS_IMPL_DOMTARGET_DEFAULTS(nsWindowRoot)
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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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nsRefPtr<nsEventListenerManager> elm = GetListenerManager(PR_FALSE);
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if (elm) {
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elm->RemoveEventListener(aType, aListener, aUseCapture);
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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::DispatchEvent(nsIDOMEvent* aEvt, PRBool *aRetVal)
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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<nsIDOMEventTarget*>(this), nsnull, aEvt, nsnull, &status);
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*aRetVal = (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<nsIDOMEventTarget*>(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::AddEventListener(const nsAString& aType,
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nsIDOMEventListener *aListener,
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PRBool aUseCapture, PRBool aWantsUntrusted,
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PRUint8 aOptionalArgc)
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{
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NS_ASSERTION(!aWantsUntrusted || aOptionalArgc > 1,
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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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nsEventListenerManager* elm = GetListenerManager(PR_TRUE);
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NS_ENSURE_STATE(elm);
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return elm->AddEventListener(aType, aListener, aUseCapture, aWantsUntrusted);
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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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nsEventListenerManager* 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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nsEventListenerManager* manager = GetListenerManager(PR_TRUE);
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if (manager) {
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manager->RemoveEventListenerByIID(aListener, aIID, NS_EVENT_FLAG_BUBBLE);
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}
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return NS_OK;
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}
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nsEventListenerManager*
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nsWindowRoot::GetListenerManager(PRBool aCreateIfNotFound)
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{
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if (!mListenerManager && aCreateIfNotFound) {
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mListenerManager =
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new nsEventListenerManager(static_cast<nsIDOMEventTarget*>(this));
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}
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return mListenerManager;
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}
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nsIScriptContext*
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nsWindowRoot::GetContextForEventHandlers(nsresult* aRv)
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{
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*aRv = NS_OK;
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return nsnull;
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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 = static_cast<nsISupports *>(mWindow);
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aVisitor.mParentTarget = mParent;
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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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nsPIDOMWindow*
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nsWindowRoot::GetWindow()
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{
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return mWindow;
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}
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nsresult
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nsWindowRoot::GetControllers(nsIControllers** aResult)
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{
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*aResult = nsnull;
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// XXX: we should fix this so there's a generic interface that
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// describes controllers, so this code would have no special
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// knowledge of what object might have controllers.
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nsCOMPtr<nsPIDOMWindow> focusedWindow;
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nsIContent* focusedContent =
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nsFocusManager::GetFocusedDescendant(mWindow, PR_TRUE, getter_AddRefs(focusedWindow));
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if (focusedContent) {
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#ifdef MOZ_XUL
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nsCOMPtr<nsIDOMXULElement> xulElement(do_QueryInterface(focusedContent));
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if (xulElement)
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return xulElement->GetControllers(aResult);
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#endif
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nsCOMPtr<nsIDOMHTMLTextAreaElement> htmlTextArea =
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do_QueryInterface(focusedContent);
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if (htmlTextArea)
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return htmlTextArea->GetControllers(aResult);
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nsCOMPtr<nsIDOMHTMLInputElement> htmlInputElement =
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do_QueryInterface(focusedContent);
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if (htmlInputElement)
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return htmlInputElement->GetControllers(aResult);
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if (focusedContent->IsEditable() && focusedWindow)
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return focusedWindow->GetControllers(aResult);
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}
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else {
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nsCOMPtr<nsIDOMWindowInternal> domWindow = do_QueryInterface(focusedWindow);
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if (domWindow)
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return domWindow->GetControllers(aResult);
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}
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return NS_OK;
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}
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nsresult
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nsWindowRoot::GetControllerForCommand(const char * aCommand,
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nsIController** _retval)
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{
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NS_ENSURE_ARG_POINTER(_retval);
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*_retval = nsnull;
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nsCOMPtr<nsIControllers> controllers;
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nsCOMPtr<nsIController> controller;
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GetControllers(getter_AddRefs(controllers));
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if (controllers) {
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controllers->GetControllerForCommand(aCommand, getter_AddRefs(controller));
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if (controller) {
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controller.swap(*_retval);
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return NS_OK;
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}
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}
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nsCOMPtr<nsPIDOMWindow> focusedWindow;
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nsFocusManager::GetFocusedDescendant(mWindow, PR_TRUE, getter_AddRefs(focusedWindow));
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while (focusedWindow) {
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nsCOMPtr<nsIDOMWindowInternal> domWindow(do_QueryInterface(focusedWindow));
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nsCOMPtr<nsIControllers> controllers2;
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domWindow->GetControllers(getter_AddRefs(controllers2));
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if (controllers2) {
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controllers2->GetControllerForCommand(aCommand,
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getter_AddRefs(controller));
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if (controller) {
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controller.swap(*_retval);
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return NS_OK;
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}
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}
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// XXXndeakin P3 is this casting safe?
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nsCOMPtr<nsPIDOMWindow> piWindow = do_QueryInterface(focusedWindow);
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nsGlobalWindow *win =
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static_cast<nsGlobalWindow *>
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(static_cast<nsIDOMWindowInternal *>(piWindow));
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focusedWindow = win->GetPrivateParent();
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}
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return NS_OK;
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}
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nsIDOMNode*
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nsWindowRoot::GetPopupNode()
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{
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return mPopupNode;
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}
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void
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nsWindowRoot::SetPopupNode(nsIDOMNode* aNode)
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{
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mPopupNode = aNode;
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}
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///////////////////////////////////////////////////////////////////////////////////
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nsresult
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NS_NewWindowRoot(nsPIDOMWindow* aWindow, nsIDOMEventTarget** 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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