зеркало из https://github.com/mozilla/gecko-dev.git
Bug 245024 Fix crash in print preview by blocking click events r/sr=jst
This commit is contained in:
Родитель
23055972d2
Коммит
0159845314
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@ -3751,7 +3751,7 @@ DocumentViewerImpl::InstallNewPresentation()
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mWindow = nsnull;
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}
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// XXX InstallPrintPreviewListener();
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mPrintEngine->InstallPrintPreviewListener();
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mPrintEngine->GetNewPresentation(mPresShell, mPresContext, mViewManager, mWindow);
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@ -483,8 +483,9 @@ void
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nsPrintEngine::InstallPrintPreviewListener()
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{
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if (!mPrt->mPPEventListeners) {
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nsCOMPtr<nsIDOMEventReceiver> evRec (do_QueryInterface(mDocument));
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mPrt->mPPEventListeners = new nsPrintPreviewListener(evRec);
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nsCOMPtr<nsPIDOMWindow> win(do_GetInterface(mContainer));
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nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(win->GetFrameElementInternal()));
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mPrt->mPPEventListeners = new nsPrintPreviewListener(target);
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if (mPrt->mPPEventListeners) {
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mPrt->mPPEventListeners->AddListeners();
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@ -38,26 +38,16 @@
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#include "nsPrintPreviewListener.h"
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#include "nsIDOMKeyEvent.h"
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#include "nsLiteralString.h"
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NS_IMPL_ADDREF(nsPrintPreviewListener)
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NS_IMPL_RELEASE(nsPrintPreviewListener)
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NS_INTERFACE_MAP_BEGIN(nsPrintPreviewListener)
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NS_INTERFACE_MAP_ENTRY(nsIDOMContextMenuListener)
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NS_INTERFACE_MAP_ENTRY(nsIDOMKeyListener)
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NS_INTERFACE_MAP_ENTRY(nsIDOMMouseListener)
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NS_INTERFACE_MAP_ENTRY(nsIDOMMouseMotionListener)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIDOMEventListener, nsIDOMContextMenuListener)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMContextMenuListener)
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NS_INTERFACE_MAP_END
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NS_IMPL_ISUPPORTS1(nsPrintPreviewListener, nsIDOMEventListener)
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//
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// nsPrintPreviewListener ctor
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//
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nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventReceiver* aEVRec)
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: mEventReceiver(aEVRec),
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mRegFlags(REG_NONE_LISTENER)
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nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventTarget* aTarget)
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: mEventTarget(aTarget)
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{
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NS_ADDREF_THIS();
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} // ctor
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@ -72,27 +62,17 @@ nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventReceiver* aEVRec)
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nsresult
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nsPrintPreviewListener::AddListeners()
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{
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if (mRegFlags != REG_NONE_LISTENER) return NS_ERROR_FAILURE;
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if (mEventReceiver) {
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nsIDOMContextMenuListener *pListener = NS_STATIC_CAST(nsIDOMContextMenuListener *, this);
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NS_ASSERTION(pListener, "Cast can't fail!");
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nsresult rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMContextMenuListener));
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NS_ENSURE_SUCCESS(rv, rv);
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mRegFlags |= REG_CONTEXTMENU_LISTENER;
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rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMKeyListener));
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NS_ENSURE_SUCCESS(rv, rv);
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mRegFlags |= REG_KEY_LISTENER;
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rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseListener));
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NS_ENSURE_SUCCESS(rv, rv);
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mRegFlags |= REG_MOUSE_LISTENER;
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rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseMotionListener));
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NS_ENSURE_SUCCESS(rv, rv);
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mRegFlags |= REG_MOUSEMOTION_LISTENER;
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if (mEventTarget) {
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mEventTarget->AddEventListener(NS_LITERAL_STRING("click"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("contextmenu"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("keydown"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("keypress"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("keyup"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mousedown"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mousemove"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseout"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseover"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseup"), this, true);
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}
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return NS_OK;
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@ -108,23 +88,17 @@ nsPrintPreviewListener::AddListeners()
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nsresult
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nsPrintPreviewListener::RemoveListeners()
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{
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if (mEventReceiver && mRegFlags != REG_NONE_LISTENER) {
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nsIDOMContextMenuListener *pListener = NS_STATIC_CAST(nsIDOMContextMenuListener *, this);
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NS_ASSERTION(pListener, "Cast can't fail!");
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// ignore return values, so we can try to unregister the other listeners
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if (mRegFlags & REG_CONTEXTMENU_LISTENER) {
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mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMContextMenuListener));
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}
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if (mRegFlags & REG_KEY_LISTENER) {
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mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMKeyListener));
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}
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if (mRegFlags & REG_MOUSE_LISTENER) {
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mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseListener));
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}
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if (mRegFlags & REG_MOUSEMOTION_LISTENER) {
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mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseMotionListener));
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}
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if (mEventTarget) {
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("click"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("contextmenu"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keydown"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keypress"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keyup"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mousedown"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mousemove"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseout"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseover"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseup"), this, true);
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}
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return NS_OK;
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@ -166,39 +140,11 @@ static PRBool IsKeyOK(nsIDOMEvent* aEvent)
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return PR_FALSE;
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}
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//-------------------------------------------------------
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//
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// KeyDown
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//
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NS_IMETHODIMP nsPrintPreviewListener::KeyDown(nsIDOMEvent* aKeyEvent)
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NS_IMETHODIMP nsPrintPreviewListener::HandleEvent(nsIDOMEvent* aKeyEvent)
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{
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if (!IsKeyOK(aKeyEvent)) {
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aKeyEvent->StopPropagation();
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aKeyEvent->PreventDefault();
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}
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return NS_OK;
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}
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//-------------------------------------------------------
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//
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// KeyUp
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//
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NS_IMETHODIMP nsPrintPreviewListener::KeyUp(nsIDOMEvent* aKeyEvent)
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{
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if (!IsKeyOK(aKeyEvent)) {
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aKeyEvent->PreventDefault();
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}
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return NS_OK;
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}
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//-------------------------------------------------------
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//
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// KeyPress
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//
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NS_IMETHODIMP nsPrintPreviewListener::KeyPress(nsIDOMEvent* aKeyEvent)
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{
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if (!IsKeyOK(aKeyEvent)) {
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aKeyEvent->PreventDefault();
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}
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return NS_OK;
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}
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@ -40,20 +40,11 @@
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#define nsPrintPreviewListener_h__
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// Interfaces needed to be included
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#include "nsIDOMContextMenuListener.h"
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#include "nsIDOMKeyListener.h"
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#include "nsIDOMMouseListener.h"
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#include "nsIDOMMouseMotionListener.h"
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#include "nsIDOMEventListener.h"
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#include "nsIDOMEventTarget.h"
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// Helper Classes
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#include "nsIDOMEventReceiver.h"
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#include "nsCOMPtr.h"
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#define REG_NONE_LISTENER 0x00
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#define REG_CONTEXTMENU_LISTENER 0x01
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#define REG_KEY_LISTENER 0x02
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#define REG_MOUSE_LISTENER 0x04
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#define REG_MOUSEMOTION_LISTENER 0x08
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//
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// class nsPrintPreviewListener
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//
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@ -62,40 +53,14 @@
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// with the DOM with AddChromeListeners() and removing itself with
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// RemoveChromeListeners().
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//
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class nsPrintPreviewListener : public nsIDOMContextMenuListener,
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public nsIDOMKeyListener,
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public nsIDOMMouseListener,
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public nsIDOMMouseMotionListener
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class nsPrintPreviewListener : public nsIDOMEventListener
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{
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public:
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NS_DECL_ISUPPORTS
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NS_DECL_NSIDOMEVENTLISTENER
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nsPrintPreviewListener(nsIDOMEventReceiver* aEVRec);
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virtual ~nsPrintPreviewListener()
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{
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}
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// nsIDOMContextMenuListener
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NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent) { return NS_OK; }
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NS_IMETHOD ContextMenu (nsIDOMEvent* aEvent) { aEvent->PreventDefault(); return NS_OK; }
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// nsIDOMKeyListener
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NS_IMETHOD KeyDown(nsIDOMEvent* aKeyEvent);
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NS_IMETHOD KeyUp(nsIDOMEvent* aKeyEvent);
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NS_IMETHOD KeyPress(nsIDOMEvent* aKeyEvent);
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// nsIDOMMouseListener
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NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
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NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
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NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
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NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
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NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
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NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent) { aMouseEvent->StopPropagation();aMouseEvent->PreventDefault(); return NS_OK; }
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// nsIDOMMouseMotionListener
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NS_IMETHOD DragMove(nsIDOMEvent* aMouseEvent) { return NS_OK; };
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NS_IMETHOD MouseMove(nsIDOMEvent* aMouseEvent) { aMouseEvent->PreventDefault(); return NS_OK; }
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nsPrintPreviewListener(nsIDOMEventTarget* aTarget);
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// Add/remove the relevant listeners, based on what interfaces
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// the embedding chrome implements.
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@ -104,8 +69,7 @@ public:
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private:
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nsCOMPtr<nsIDOMEventReceiver> mEventReceiver;
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PRInt8 mRegFlags;
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nsCOMPtr<nsIDOMEventTarget> mEventTarget;
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}; // class nsPrintPreviewListener
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@ -3751,7 +3751,7 @@ DocumentViewerImpl::InstallNewPresentation()
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mWindow = nsnull;
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}
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// XXX InstallPrintPreviewListener();
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mPrintEngine->InstallPrintPreviewListener();
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mPrintEngine->GetNewPresentation(mPresShell, mPresContext, mViewManager, mWindow);
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@ -483,8 +483,9 @@ void
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nsPrintEngine::InstallPrintPreviewListener()
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{
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if (!mPrt->mPPEventListeners) {
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nsCOMPtr<nsIDOMEventReceiver> evRec (do_QueryInterface(mDocument));
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mPrt->mPPEventListeners = new nsPrintPreviewListener(evRec);
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nsCOMPtr<nsPIDOMWindow> win(do_GetInterface(mContainer));
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nsCOMPtr<nsIDOMEventTarget> target(do_QueryInterface(win->GetFrameElementInternal()));
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mPrt->mPPEventListeners = new nsPrintPreviewListener(target);
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if (mPrt->mPPEventListeners) {
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mPrt->mPPEventListeners->AddListeners();
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@ -38,26 +38,16 @@
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#include "nsPrintPreviewListener.h"
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#include "nsIDOMKeyEvent.h"
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#include "nsLiteralString.h"
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NS_IMPL_ADDREF(nsPrintPreviewListener)
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NS_IMPL_RELEASE(nsPrintPreviewListener)
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NS_INTERFACE_MAP_BEGIN(nsPrintPreviewListener)
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NS_INTERFACE_MAP_ENTRY(nsIDOMContextMenuListener)
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NS_INTERFACE_MAP_ENTRY(nsIDOMKeyListener)
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NS_INTERFACE_MAP_ENTRY(nsIDOMMouseListener)
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NS_INTERFACE_MAP_ENTRY(nsIDOMMouseMotionListener)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsIDOMEventListener, nsIDOMContextMenuListener)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIDOMContextMenuListener)
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NS_INTERFACE_MAP_END
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NS_IMPL_ISUPPORTS1(nsPrintPreviewListener, nsIDOMEventListener)
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//
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// nsPrintPreviewListener ctor
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//
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nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventReceiver* aEVRec)
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: mEventReceiver(aEVRec),
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mRegFlags(REG_NONE_LISTENER)
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nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventTarget* aTarget)
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: mEventTarget(aTarget)
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{
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NS_ADDREF_THIS();
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} // ctor
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@ -72,27 +62,17 @@ nsPrintPreviewListener::nsPrintPreviewListener (nsIDOMEventReceiver* aEVRec)
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nsresult
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nsPrintPreviewListener::AddListeners()
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{
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if (mRegFlags != REG_NONE_LISTENER) return NS_ERROR_FAILURE;
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if (mEventReceiver) {
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nsIDOMContextMenuListener *pListener = NS_STATIC_CAST(nsIDOMContextMenuListener *, this);
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NS_ASSERTION(pListener, "Cast can't fail!");
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nsresult rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMContextMenuListener));
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NS_ENSURE_SUCCESS(rv, rv);
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mRegFlags |= REG_CONTEXTMENU_LISTENER;
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rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMKeyListener));
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NS_ENSURE_SUCCESS(rv, rv);
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mRegFlags |= REG_KEY_LISTENER;
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rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseListener));
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NS_ENSURE_SUCCESS(rv, rv);
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mRegFlags |= REG_MOUSE_LISTENER;
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rv = mEventReceiver->AddEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseMotionListener));
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NS_ENSURE_SUCCESS(rv, rv);
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mRegFlags |= REG_MOUSEMOTION_LISTENER;
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if (mEventTarget) {
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mEventTarget->AddEventListener(NS_LITERAL_STRING("click"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("contextmenu"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("keydown"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("keypress"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("keyup"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mousedown"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mousemove"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseout"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseover"), this, true);
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mEventTarget->AddEventListener(NS_LITERAL_STRING("mouseup"), this, true);
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}
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return NS_OK;
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@ -108,23 +88,17 @@ nsPrintPreviewListener::AddListeners()
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nsresult
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nsPrintPreviewListener::RemoveListeners()
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{
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if (mEventReceiver && mRegFlags != REG_NONE_LISTENER) {
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nsIDOMContextMenuListener *pListener = NS_STATIC_CAST(nsIDOMContextMenuListener *, this);
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NS_ASSERTION(pListener, "Cast can't fail!");
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// ignore return values, so we can try to unregister the other listeners
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if (mRegFlags & REG_CONTEXTMENU_LISTENER) {
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mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMContextMenuListener));
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}
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if (mRegFlags & REG_KEY_LISTENER) {
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mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMKeyListener));
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}
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if (mRegFlags & REG_MOUSE_LISTENER) {
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mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseListener));
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}
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if (mRegFlags & REG_MOUSEMOTION_LISTENER) {
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mEventReceiver->RemoveEventListenerByIID(pListener, NS_GET_IID(nsIDOMMouseMotionListener));
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}
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if (mEventTarget) {
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("click"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("contextmenu"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keydown"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keypress"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("keyup"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mousedown"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mousemove"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseout"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseover"), this, true);
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mEventTarget->RemoveEventListener(NS_LITERAL_STRING("mouseup"), this, true);
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}
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return NS_OK;
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@ -166,39 +140,11 @@ static PRBool IsKeyOK(nsIDOMEvent* aEvent)
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return PR_FALSE;
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}
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//-------------------------------------------------------
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//
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// KeyDown
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//
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NS_IMETHODIMP nsPrintPreviewListener::KeyDown(nsIDOMEvent* aKeyEvent)
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NS_IMETHODIMP nsPrintPreviewListener::HandleEvent(nsIDOMEvent* aKeyEvent)
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{
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if (!IsKeyOK(aKeyEvent)) {
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aKeyEvent->StopPropagation();
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aKeyEvent->PreventDefault();
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}
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return NS_OK;
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}
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//-------------------------------------------------------
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//
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// KeyUp
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//
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NS_IMETHODIMP nsPrintPreviewListener::KeyUp(nsIDOMEvent* aKeyEvent)
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{
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if (!IsKeyOK(aKeyEvent)) {
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aKeyEvent->PreventDefault();
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}
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return NS_OK;
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}
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//-------------------------------------------------------
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//
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// KeyPress
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//
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NS_IMETHODIMP nsPrintPreviewListener::KeyPress(nsIDOMEvent* aKeyEvent)
|
||||
{
|
||||
if (!IsKeyOK(aKeyEvent)) {
|
||||
aKeyEvent->PreventDefault();
|
||||
}
|
||||
return NS_OK;
|
||||
}
|
||||
|
||||
|
|
|
@ -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
|
||||
|
||||
|
|
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