mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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209 lines
6.8 KiB
C++
209 lines
6.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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 Mozilla Communicator client code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Original Author: Eric J. Burley (ericb@neoplanet.com)
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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 "nsTitleBarFrame.h"
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#include "nsIContent.h"
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#include "nsIDocument.h"
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#include "nsIDOMXULDocument.h"
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#include "nsIDOMNodeList.h"
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#include "nsGkAtoms.h"
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#include "nsIWidget.h"
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#include "nsMenuPopupFrame.h"
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#include "nsPresContext.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsPIDOMWindow.h"
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#include "nsGUIEvent.h"
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#include "nsEventDispatcher.h"
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#include "nsDisplayList.h"
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#include "nsContentUtils.h"
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//
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// NS_NewTitleBarFrame
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//
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// Creates a new TitleBar frame and returns it
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//
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nsIFrame*
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NS_NewTitleBarFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
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{
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return new (aPresShell) nsTitleBarFrame(aPresShell, aContext);
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}
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NS_IMPL_FRAMEARENA_HELPERS(nsTitleBarFrame)
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nsTitleBarFrame::nsTitleBarFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
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:nsBoxFrame(aPresShell, aContext, PR_FALSE)
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{
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mTrackingMouseMove = PR_FALSE;
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UpdateMouseThrough();
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}
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NS_IMETHODIMP
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nsTitleBarFrame::BuildDisplayListForChildren(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists)
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{
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// override, since we don't want children to get events
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if (aBuilder->IsForEventDelivery()) {
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if (!mContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::allowevents,
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nsGkAtoms::_true, eCaseMatters))
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return NS_OK;
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}
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return nsBoxFrame::BuildDisplayListForChildren(aBuilder, aDirtyRect, aLists);
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}
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NS_IMETHODIMP
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nsTitleBarFrame::HandleEvent(nsPresContext* aPresContext,
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nsGUIEvent* aEvent,
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nsEventStatus* aEventStatus)
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{
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NS_ENSURE_ARG_POINTER(aEventStatus);
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if (nsEventStatus_eConsumeNoDefault == *aEventStatus) {
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return NS_OK;
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}
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PRBool doDefault = PR_TRUE;
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switch (aEvent->message) {
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case NS_MOUSE_BUTTON_DOWN: {
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if (aEvent->eventStructType == NS_MOUSE_EVENT &&
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static_cast<nsMouseEvent*>(aEvent)->button ==
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nsMouseEvent::eLeftButton)
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{
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// titlebar has no effect in non-chrome shells
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nsCOMPtr<nsISupports> cont = aPresContext->GetContainer();
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nsCOMPtr<nsIDocShellTreeItem> dsti = do_QueryInterface(cont);
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if (dsti) {
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PRInt32 type = -1;
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if (NS_SUCCEEDED(dsti->GetItemType(&type)) &&
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type == nsIDocShellTreeItem::typeChrome) {
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// we're tracking.
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mTrackingMouseMove = PR_TRUE;
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// start capture.
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nsIPresShell::SetCapturingContent(GetContent(), CAPTURE_IGNOREALLOWED);
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// remember current mouse coordinates.
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mLastPoint = aEvent->refPoint;
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}
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}
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*aEventStatus = nsEventStatus_eConsumeNoDefault;
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doDefault = PR_FALSE;
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}
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}
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break;
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case NS_MOUSE_BUTTON_UP: {
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if(mTrackingMouseMove && aEvent->eventStructType == NS_MOUSE_EVENT &&
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static_cast<nsMouseEvent*>(aEvent)->button ==
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nsMouseEvent::eLeftButton)
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{
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// we're done tracking.
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mTrackingMouseMove = PR_FALSE;
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// end capture
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nsIPresShell::SetCapturingContent(nsnull, 0);
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*aEventStatus = nsEventStatus_eConsumeNoDefault;
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doDefault = PR_FALSE;
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}
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}
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break;
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case NS_MOUSE_MOVE: {
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if(mTrackingMouseMove)
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{
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nsIntPoint nsMoveBy = aEvent->refPoint - mLastPoint;
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nsIFrame* parent = GetParent();
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while (parent && parent->GetType() != nsGkAtoms::menuPopupFrame)
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parent = parent->GetParent();
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// if the titlebar is in a popup, move the popup frame, otherwise
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// move the widget associated with the window
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if (parent) {
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nsMenuPopupFrame* menuPopupFrame = static_cast<nsMenuPopupFrame*>(parent);
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nsCOMPtr<nsIWidget> widget;
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menuPopupFrame->GetWidget(getter_AddRefs(widget));
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nsIntRect bounds;
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widget->GetScreenBounds(bounds);
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menuPopupFrame->MoveTo(bounds.x + nsMoveBy.x, bounds.y + nsMoveBy.y, PR_FALSE);
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}
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else {
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nsIPresShell* presShell = aPresContext->PresShell();
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nsPIDOMWindow *window = presShell->GetDocument()->GetWindow();
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if (window) {
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window->MoveBy(nsMoveBy.x, nsMoveBy.y);
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}
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}
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*aEventStatus = nsEventStatus_eConsumeNoDefault;
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doDefault = PR_FALSE;
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}
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}
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break;
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case NS_MOUSE_CLICK:
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if (NS_IS_MOUSE_LEFT_CLICK(aEvent))
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{
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MouseClicked(aPresContext, aEvent);
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}
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break;
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}
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if ( doDefault )
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return nsBoxFrame::HandleEvent(aPresContext, aEvent, aEventStatus);
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else
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return NS_OK;
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}
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void
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nsTitleBarFrame::MouseClicked(nsPresContext* aPresContext, nsGUIEvent* aEvent)
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{
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// Execute the oncommand event handler.
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nsContentUtils::DispatchXULCommand(mContent,
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aEvent ?
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NS_IS_TRUSTED_EVENT(aEvent) : PR_FALSE);
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}
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