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Bug 245024 Fix crash in print preview by blocking click events r/sr=jst

This commit is contained in:
neil%parkwaycc.co.uk 2004-06-04 22:06:05 +00:00
Родитель ef4eecd181
Коммит a4c3a9de51
8 изменённых файлов: 70 добавлений и 326 удалений
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2
content/base/src/nsDocumentViewer.cpp
Просмотреть файл

@ -3751,7 +3751,7 @@ DocumentViewerImpl::InstallNewPresentation()
mWindow = nsnull;
}
// XXX InstallPrintPreviewListener();
mPrintEngine->InstallPrintPreviewListener();
mPrintEngine->GetNewPresentation(mPresShell, mPresContext, mViewManager, mWindow);

5
content/base/src/nsPrintEngine.cpp
Просмотреть файл

@ -483,8 +483,9 @@ void
nsPrintEngine::InstallPrintPreviewListener()
{
if (!mPrt->mPPEventListeners) {
nsCOMPtr<nsIDOMEventReceiver> evRec (do_QueryInterface(mDocument));
mPrt->mPPEventListeners = new nsPrintPreviewListener(evRec);
nsCOMPtr<nsPIDOMWindow> win(do_GetInterface(mContainer));
nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(win->GetFrameElementInternal()));
mPrt->mPPEventListeners = new nsPrintPreviewListener(target);
if (mPrt->mPPEventListeners) {
mPrt->mPPEventListeners->AddListeners();

110
content/base/src/nsPrintPreviewListener.cpp
Просмотреть файл

@ -38,26 +38,16 @@
#include "nsPrintPreviewListener.h"
#include "nsIDOMKeyEvent.h"
#include "nsLiteralString.h"
NS_IMPL_ADDREF(nsPrintPreviewListener)
NS_IMPL_RELEASE(nsPrintPreviewListener)
NS_INTERFACE_MAP_BEGIN(nsPrintPreviewListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMContextMenuListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMKeyListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMMouseListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMMouseMotionListener)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIDOMEventListener, nsIDOMContextMenuListener)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMContextMenuListener)
NS_INTERFACE_MAP_END
NS_IMPL_ISUPPORTS1(nsPrintPreviewListener, nsIDOMEventListener)
//
// nsPrintPreviewListener ctor
//
nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventReceiver* aEVRec)
: mEventReceiver(aEVRec),
mRegFlags(REG_NONE_LISTENER)
nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventTarget* aTarget)
: mEventTarget(aTarget)
{
NS_ADDREF_THIS();
} // ctor
@ -72,27 +62,17 @@ nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventReceiver* aEVRec)
nsresult
nsPrintPreviewListener::AddListeners()
{
if (mRegFlags != REG_NONE_LISTENER) return NS_ERROR_FAILURE;
if (mEventReceiver) {
nsIDOMContextMenuListener *pListener = NS_STATIC_CAST(nsIDOMContextMenuListener *, this);
NS_ASSERTION(pListener, "Cast can't fail!");
nsresult rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMContextMenuListener));
NS_ENSURE_SUCCESS(rv, rv);
mRegFlags |= REG_CONTEXTMENU_LISTENER;
rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMKeyListener));
NS_ENSURE_SUCCESS(rv, rv);
mRegFlags |= REG_KEY_LISTENER;
rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseListener));
NS_ENSURE_SUCCESS(rv, rv);
mRegFlags |= REG_MOUSE_LISTENER;
rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseMotionListener));
NS_ENSURE_SUCCESS(rv, rv);
mRegFlags |= REG_MOUSEMOTION_LISTENER;
if (mEventTarget) {
mEventTarget->AddEventListener(NS_LITERAL_STRING("click"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("contextmenu"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("keydown"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("keypress"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("keyup"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("mousedown"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("mousemove"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseout"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseover"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseup"), this, true);
}
return NS_OK;
@ -108,23 +88,17 @@ nsPrintPreviewListener::AddListeners()
nsresult
nsPrintPreviewListener::RemoveListeners()
{
if (mEventReceiver && mRegFlags != REG_NONE_LISTENER) {
nsIDOMContextMenuListener *pListener = NS_STATIC_CAST(nsIDOMContextMenuListener *, this);
NS_ASSERTION(pListener, "Cast can't fail!");
// ignore return values, so we can try to unregister the other listeners
if (mRegFlags & REG_CONTEXTMENU_LISTENER) {
mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMContextMenuListener));
}
if (mRegFlags & REG_KEY_LISTENER) {
mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMKeyListener));
}
if (mRegFlags & REG_MOUSE_LISTENER) {
mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseListener));
}
if (mRegFlags & REG_MOUSEMOTION_LISTENER) {
mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseMotionListener));
}
if (mEventTarget) {
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("click"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("contextmenu"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keydown"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keypress"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keyup"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mousedown"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mousemove"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseout"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseover"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseup"), this, true);
}
return NS_OK;
@ -166,39 +140,11 @@ static PRBool IsKeyOK(nsIDOMEvent* aEvent)
return PR_FALSE;
}
//-------------------------------------------------------
//
// KeyDown
//
NS_IMETHODIMP nsPrintPreviewListener::KeyDown(nsIDOMEvent* aKeyEvent)
NS_IMETHODIMP nsPrintPreviewListener::HandleEvent(nsIDOMEvent* aKeyEvent)
{
if (!IsKeyOK(aKeyEvent)) {
aKeyEvent->StopPropagation();
aKeyEvent->PreventDefault();
}
return NS_OK;
}
//-------------------------------------------------------
//
// KeyUp
//
NS_IMETHODIMP nsPrintPreviewListener::KeyUp(nsIDOMEvent* aKeyEvent)
{
if (!IsKeyOK(aKeyEvent)) {
aKeyEvent->PreventDefault();
}
return NS_OK;
}
//-------------------------------------------------------
//
// KeyPress
//
NS_IMETHODIMP nsPrintPreviewListener::KeyPress(nsIDOMEvent* aKeyEvent)
{
if (!IsKeyOK(aKeyEvent)) {
aKeyEvent->PreventDefault();
}
return NS_OK;
}

114
content/base/src/nsPrintPreviewListener.h
Просмотреть файл

@ -1,114 +0,0 @@
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is the Mozilla browser.
*
* The Initial Developer of the Original Code is
* Netscape Communications, Inc.
* Portions created by the Initial Developer are Copyright (C) 1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Alternatively, the contents of this file may be used under the terms of
* either of the GNU General Public License Version 2 or later (the "GPL"),
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
* in which case the provisions of the GPL or the LGPL are applicable instead
* of those above. If you wish to allow use of your version of this file only
* under the terms of either the GPL or the LGPL, and not to allow others to
* use your version of this file under the terms of the MPL, indicate your
* decision by deleting the provisions above and replace them with the notice
* and other provisions required by the GPL or the LGPL. If you do not delete
* the provisions above, a recipient may use your version of this file under
* the terms of any one of the MPL, the GPL or the LGPL.
*
* ***** END LICENSE BLOCK ***** */
#ifndef nsPrintPreviewListener_h__
#define nsPrintPreviewListener_h__
// Interfaces needed to be included
#include "nsIDOMContextMenuListener.h"
#include "nsIDOMKeyListener.h"
#include "nsIDOMMouseListener.h"
#include "nsIDOMMouseMotionListener.h"
// Helper Classes
#include "nsIDOMEventReceiver.h"
#include "nsCOMPtr.h"
#define REG_NONE_LISTENER 0x00
#define REG_CONTEXTMENU_LISTENER 0x01
#define REG_KEY_LISTENER 0x02
#define REG_MOUSE_LISTENER 0x04
#define REG_MOUSEMOTION_LISTENER 0x08
//
// class nsPrintPreviewListener
//
// The class that listens to the chrome events and tells the embedding
// chrome to show context menus, as appropriate. Handles registering itself
// with the DOM with AddChromeListeners() and removing itself with
// RemoveChromeListeners().
//
class nsPrintPreviewListener : public nsIDOMContextMenuListener,
public nsIDOMKeyListener,
public nsIDOMMouseListener,
public nsIDOMMouseMotionListener
{
public:
NS_DECL_ISUPPORTS
nsPrintPreviewListener(nsIDOMEventReceiver* aEVRec);
virtual ~nsPrintPreviewListener()
{
}
// nsIDOMContextMenuListener
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
NS_IMETHOD ContextMenu (nsIDOMEvent* aEvent) { aEvent->PreventDefault(); return NS_OK; }
// nsIDOMKeyListener
NS_IMETHOD KeyDown(nsIDOMEvent* aKeyEvent);
NS_IMETHOD KeyUp(nsIDOMEvent* aKeyEvent);
NS_IMETHOD KeyPress(nsIDOMEvent* aKeyEvent);
// nsIDOMMouseListener
NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
// nsIDOMMouseMotionListener
NS_IMETHOD DragMove(nsIDOMEvent* aMouseEvent) { return NS_OK; };
NS_IMETHOD MouseMove(nsIDOMEvent* aMouseEvent) { aMouseEvent->PreventDefault(); return NS_OK; }
// Add/remove the relevant listeners, based on what interfaces
// the embedding chrome implements.
nsresult AddListeners();
nsresult RemoveListeners();
private:
nsCOMPtr<nsIDOMEventReceiver> mEventReceiver;
PRInt8 mRegFlags;
}; // class nsPrintPreviewListener
#endif /* nsPrintPreviewListener_h__ */

2
layout/base/nsDocumentViewer.cpp
Просмотреть файл

@ -3751,7 +3751,7 @@ DocumentViewerImpl::InstallNewPresentation()
mWindow = nsnull;
}
// XXX InstallPrintPreviewListener();
mPrintEngine->InstallPrintPreviewListener();
mPrintEngine->GetNewPresentation(mPresShell, mPresContext, mViewManager, mWindow);

5
layout/printing/nsPrintEngine.cpp
Просмотреть файл

@ -483,8 +483,9 @@ void
nsPrintEngine::InstallPrintPreviewListener()
{
if (!mPrt->mPPEventListeners) {
nsCOMPtr<nsIDOMEventReceiver> evRec (do_QueryInterface(mDocument));
mPrt->mPPEventListeners = new nsPrintPreviewListener(evRec);
nsCOMPtr<nsPIDOMWindow> win(do_GetInterface(mContainer));
nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(win->GetFrameElementInternal()));
mPrt->mPPEventListeners = new nsPrintPreviewListener(target);
if (mPrt->mPPEventListeners) {
mPrt->mPPEventListeners->AddListeners();

110
layout/printing/nsPrintPreviewListener.cpp
Просмотреть файл

@ -38,26 +38,16 @@
#include "nsPrintPreviewListener.h"
#include "nsIDOMKeyEvent.h"
#include "nsLiteralString.h"
NS_IMPL_ADDREF(nsPrintPreviewListener)
NS_IMPL_RELEASE(nsPrintPreviewListener)
NS_INTERFACE_MAP_BEGIN(nsPrintPreviewListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMContextMenuListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMKeyListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMMouseListener)
NS_INTERFACE_MAP_ENTRY(nsIDOMMouseMotionListener)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIDOMEventListener, nsIDOMContextMenuListener)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMContextMenuListener)
NS_INTERFACE_MAP_END
NS_IMPL_ISUPPORTS1(nsPrintPreviewListener, nsIDOMEventListener)
//
// nsPrintPreviewListener ctor
//
nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventReceiver* aEVRec)
: mEventReceiver(aEVRec),
mRegFlags(REG_NONE_LISTENER)
nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventTarget* aTarget)
: mEventTarget(aTarget)
{
NS_ADDREF_THIS();
} // ctor
@ -72,27 +62,17 @@ nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventReceiver* aEVRec)
nsresult
nsPrintPreviewListener::AddListeners()
{
if (mRegFlags != REG_NONE_LISTENER) return NS_ERROR_FAILURE;
if (mEventReceiver) {
nsIDOMContextMenuListener *pListener = NS_STATIC_CAST(nsIDOMContextMenuListener *, this);
NS_ASSERTION(pListener, "Cast can't fail!");
nsresult rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMContextMenuListener));
NS_ENSURE_SUCCESS(rv, rv);
mRegFlags |= REG_CONTEXTMENU_LISTENER;
rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMKeyListener));
NS_ENSURE_SUCCESS(rv, rv);
mRegFlags |= REG_KEY_LISTENER;
rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseListener));
NS_ENSURE_SUCCESS(rv, rv);
mRegFlags |= REG_MOUSE_LISTENER;
rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseMotionListener));
NS_ENSURE_SUCCESS(rv, rv);
mRegFlags |= REG_MOUSEMOTION_LISTENER;
if (mEventTarget) {
mEventTarget->AddEventListener(NS_LITERAL_STRING("click"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("contextmenu"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("keydown"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("keypress"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("keyup"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("mousedown"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("mousemove"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseout"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseover"), this, true);
mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseup"), this, true);
}
return NS_OK;
@ -108,23 +88,17 @@ nsPrintPreviewListener::AddListeners()
nsresult
nsPrintPreviewListener::RemoveListeners()
{
if (mEventReceiver && mRegFlags != REG_NONE_LISTENER) {
nsIDOMContextMenuListener *pListener = NS_STATIC_CAST(nsIDOMContextMenuListener *, this);
NS_ASSERTION(pListener, "Cast can't fail!");
// ignore return values, so we can try to unregister the other listeners
if (mRegFlags & REG_CONTEXTMENU_LISTENER) {
mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMContextMenuListener));
}
if (mRegFlags & REG_KEY_LISTENER) {
mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMKeyListener));
}
if (mRegFlags & REG_MOUSE_LISTENER) {
mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseListener));
}
if (mRegFlags & REG_MOUSEMOTION_LISTENER) {
mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseMotionListener));
}
if (mEventTarget) {
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("click"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("contextmenu"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keydown"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keypress"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keyup"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mousedown"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mousemove"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseout"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseover"), this, true);
mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseup"), this, true);
}
return NS_OK;
@ -166,39 +140,11 @@ static PRBool IsKeyOK(nsIDOMEvent* aEvent)
return PR_FALSE;
}
//-------------------------------------------------------
//
// KeyDown
//
NS_IMETHODIMP nsPrintPreviewListener::KeyDown(nsIDOMEvent* aKeyEvent)
NS_IMETHODIMP nsPrintPreviewListener::HandleEvent(nsIDOMEvent* aKeyEvent)
{
if (!IsKeyOK(aKeyEvent)) {
aKeyEvent->StopPropagation();
aKeyEvent->PreventDefault();
}
return NS_OK;
}
//-------------------------------------------------------
//
// KeyUp
//
NS_IMETHODIMP nsPrintPreviewListener::KeyUp(nsIDOMEvent* aKeyEvent)
{
if (!IsKeyOK(aKeyEvent)) {
aKeyEvent->PreventDefault();
}
return NS_OK;
}
//-------------------------------------------------------
//
// KeyPress
//
NS_IMETHODIMP nsPrintPreviewListener::KeyPress(nsIDOMEvent* aKeyEvent)
{
if (!IsKeyOK(aKeyEvent)) {
aKeyEvent->PreventDefault();
}
return NS_OK;
}

48
layout/printing/nsPrintPreviewListener.h
Просмотреть файл

@ -40,20 +40,11 @@
#define nsPrintPreviewListener_h__
// Interfaces needed to be included
#include "nsIDOMContextMenuListener.h"
#include "nsIDOMKeyListener.h"
#include "nsIDOMMouseListener.h"
#include "nsIDOMMouseMotionListener.h"
#include "nsIDOMEventListener.h"
#include "nsIDOMEventTarget.h"
// Helper Classes
#include "nsIDOMEventReceiver.h"
#include "nsCOMPtr.h"
#define REG_NONE_LISTENER 0x00
#define REG_CONTEXTMENU_LISTENER 0x01
#define REG_KEY_LISTENER 0x02
#define REG_MOUSE_LISTENER 0x04
#define REG_MOUSEMOTION_LISTENER 0x08
//
// class nsPrintPreviewListener
//
@ -62,40 +53,14 @@
// with the DOM with AddChromeListeners() and removing itself with
// RemoveChromeListeners().
//
class nsPrintPreviewListener : public nsIDOMContextMenuListener,
public nsIDOMKeyListener,
public nsIDOMMouseListener,
public nsIDOMMouseMotionListener
class nsPrintPreviewListener : public nsIDOMEventListener
{
public:
NS_DECL_ISUPPORTS
NS_DECL_NSIDOMEVENTLISTENER
nsPrintPreviewListener(nsIDOMEventReceiver* aEVRec);
virtual ~nsPrintPreviewListener()
{
}
// nsIDOMContextMenuListener
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
NS_IMETHOD ContextMenu (nsIDOMEvent* aEvent) { aEvent->PreventDefault(); return NS_OK; }
// nsIDOMKeyListener
NS_IMETHOD KeyDown(nsIDOMEvent* aKeyEvent);
NS_IMETHOD KeyUp(nsIDOMEvent* aKeyEvent);
NS_IMETHOD KeyPress(nsIDOMEvent* aKeyEvent);
// nsIDOMMouseListener
NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
// nsIDOMMouseMotionListener
NS_IMETHOD DragMove(nsIDOMEvent* aMouseEvent) { return NS_OK; };
NS_IMETHOD MouseMove(nsIDOMEvent* aMouseEvent) { aMouseEvent->PreventDefault(); return NS_OK; }
nsPrintPreviewListener(nsIDOMEventTarget* aTarget);
// Add/remove the relevant listeners, based on what interfaces
// the embedding chrome implements.
@ -104,8 +69,7 @@ public:
private:
nsCOMPtr<nsIDOMEventReceiver> mEventReceiver;
PRInt8 mRegFlags;
nsCOMPtr<nsIDOMEventTarget> mEventTarget;
}; // class nsPrintPreviewListener