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Mozilla/mozilla/xpfe/appshell/src/nsXULWindow.cpp
danm-moz%comcast.net 43920f3e19 tweak rev 1.137 to reduce the population of warnings from 2131 back to 2129 
git-svn-id: svn://10.0.0.236/trunk@149066 18797224-902f-48f8-a5cc-f745e15eee43
2003-11-09 16:33:14 +00:00

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/* -*- Mode: C++; tab-width: 3; indent-tabs-mode: nil; c-basic-offset: 2 -*-
*
* 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 Netscape are
* Copyright (C) 1999, Mozilla. All Rights Reserved.
*
* Contributor(s):
* Travis Bogard <travis@netscape.com>
* Dan Rosen <dr@netscape.com>
* Ben Goodger <ben@netscape.com>
*/
// Local includes
#include "nsXULWindow.h"
// Helper classes
#include "nsAppShellCIDs.h"
#include "nsString.h"
#include "nsWidgetsCID.h"
#include "prprf.h"
#include "nsCRT.h"
//Interfaces needed to be included
#include "nsIAppShell.h"
#include "nsIAppShellService.h"
#include "nsIServiceManager.h"
#include "nsIDocumentViewer.h"
#include "nsIDocument.h"
#include "nsIDOMBarProp.h"
#include "nsIDOMDocument.h"
#include "nsIDOMDocumentEvent.h"
#include "nsIDOMXULDocument.h"
#include "nsIDOMElement.h"
#include "nsIDOMEventTarget.h"
#include "nsIDOMXULElement.h"
#include "nsIDOMWindowInternal.h"
#include "nsIDOMScreen.h"
#include "nsIEmbeddingSiteWindow.h"
#include "nsIEmbeddingSiteWindow2.h"
#include "nsIInterfaceRequestor.h"
#include "nsIInterfaceRequestorUtils.h"
#include "nsIIOService.h"
#include "nsNetCID.h"
#include "nsIJSContextStack.h"
#include "nsIMarkupDocumentViewer.h"
#include "nsIObserverService.h"
#include "nsIWindowMediator.h"
#include "nsIScreenManager.h"
#include "nsIScreen.h"
#include "nsIScrollable.h"
#include "nsIPref.h"
#include "nsIScriptGlobalObject.h"
#include "nsIScriptSecurityManager.h"
#include "nsIWindowWatcher.h"
#include "nsIURI.h"
#include "nsIDOMDocumentView.h"
#include "nsIDOMViewCSS.h"
#include "nsIDOMCSSStyleDeclaration.h"
#include "nsITimelineService.h"
#include "nsReadableUtils.h"
#include "nsStyleConsts.h"
// XXX Get rid of this
#pragma message("WARNING: XXX bad include, remove it.")
#include "nsIWebShellWindow.h"
#include "nsWebShellWindow.h" // get rid of this one, too...
#define SIZEMODE_NORMAL NS_LITERAL_STRING("normal")
#define SIZEMODE_MAXIMIZED NS_LITERAL_STRING("maximized")
#define SIZEMODE_MINIMIZED NS_LITERAL_STRING("minimized")
#define WINDOWTYPE_ATTRIBUTE NS_LITERAL_STRING("windowtype")
#define PERSIST_ATTRIBUTE NS_LITERAL_STRING("persist")
#define SCREENX_ATTRIBUTE NS_LITERAL_STRING("screenX")
#define SCREENY_ATTRIBUTE NS_LITERAL_STRING("screenY")
#define WIDTH_ATTRIBUTE NS_LITERAL_STRING("width")
#define HEIGHT_ATTRIBUTE NS_LITERAL_STRING("height")
#define MODE_ATTRIBUTE NS_LITERAL_STRING("sizemode")
#define ZLEVEL_ATTRIBUTE NS_LITERAL_STRING("zlevel")
// CIDs
static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
static NS_DEFINE_CID(kAppShellServiceCID, NS_APPSHELL_SERVICE_CID);
static NS_DEFINE_CID(kEventQueueServiceCID, NS_EVENTQUEUESERVICE_CID);
static NS_DEFINE_CID(kIOServiceCID, NS_IOSERVICE_CID);
static NS_DEFINE_CID(kPrefServiceCID, NS_PREF_CID);
static NS_DEFINE_CID(kWindowMediatorCID, NS_WINDOWMEDIATOR_CID);
//*****************************************************************************
//*** nsXULWindow: Object Management
//*****************************************************************************
nsXULWindow::nsXULWindow() : mChromeTreeOwner(nsnull),
mContentTreeOwner(nsnull), mPrimaryContentTreeOwner(nsnull),
mModalStatus(NS_OK), mContinueModalLoop(PR_FALSE),
mDebuting(PR_FALSE), mChromeLoaded(PR_FALSE),
mShowAfterLoad(PR_FALSE), mIntrinsicallySized(PR_FALSE),
mCenterAfterLoad(PR_FALSE), mIsHiddenWindow(PR_FALSE),
mContextFlags(0), mBlurSuppressionLevel(0),
mPersistentAttributesDirty(0), mPersistentAttributesMask(0)
{
}
nsXULWindow::~nsXULWindow()
{
Destroy();
}
//*****************************************************************************
// nsXULWindow::nsISupports
//*****************************************************************************
NS_IMPL_THREADSAFE_ADDREF(nsXULWindow)
NS_IMPL_THREADSAFE_RELEASE(nsXULWindow)
NS_INTERFACE_MAP_BEGIN(nsXULWindow)
NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIXULWindow)
NS_INTERFACE_MAP_ENTRY(nsIXULWindow)
NS_INTERFACE_MAP_ENTRY(nsIBaseWindow)
NS_INTERFACE_MAP_ENTRY(nsIInterfaceRequestor)
NS_INTERFACE_MAP_ENTRY(nsISupportsWeakReference)
NS_INTERFACE_MAP_END
//*****************************************************************************
// nsXULWindow::nsIIntefaceRequestor
//*****************************************************************************
NS_IMETHODIMP nsXULWindow::GetInterface(const nsIID& aIID, void** aSink)
{
nsresult rv;
NS_ENSURE_ARG_POINTER(aSink);
if (aIID.Equals(NS_GET_IID(nsIPrompt))) {
rv = EnsurePrompter();
if (NS_FAILED(rv)) return rv;
return mPrompter->QueryInterface(aIID, aSink);
}
if (aIID.Equals(NS_GET_IID(nsIAuthPrompt))) {
rv = EnsureAuthPrompter();
if (NS_FAILED(rv)) return rv;
return mAuthPrompter->QueryInterface(aIID, aSink);
}
if (aIID.Equals(NS_GET_IID(nsIWebBrowserChrome)) &&
NS_SUCCEEDED(EnsureContentTreeOwner()) &&
NS_SUCCEEDED(mContentTreeOwner->QueryInterface(aIID, aSink)))
return NS_OK;
if (aIID.Equals(NS_GET_IID(nsIEmbeddingSiteWindow)) &&
NS_SUCCEEDED(EnsureContentTreeOwner()) &&
NS_SUCCEEDED(mContentTreeOwner->QueryInterface(aIID, aSink)))
return NS_OK;
if (aIID.Equals(NS_GET_IID(nsIEmbeddingSiteWindow2)) &&
NS_SUCCEEDED(EnsureContentTreeOwner()) &&
NS_SUCCEEDED(mContentTreeOwner->QueryInterface(aIID, aSink)))
return NS_OK;
return QueryInterface(aIID, aSink);
}
//*****************************************************************************
// nsXULWindow::nsIXULWindow
//*****************************************************************************
NS_IMETHODIMP nsXULWindow::GetDocShell(nsIDocShell** aDocShell)
{
NS_ENSURE_ARG_POINTER(aDocShell);
*aDocShell = mDocShell;
NS_IF_ADDREF(*aDocShell);
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetZLevel(PRUint32 *outLevel)
{
nsCOMPtr<nsIWindowMediator> mediator(do_GetService(kWindowMediatorCID));
if (mediator)
mediator->GetZLevel(this, outLevel);
else
*outLevel = normalZ;
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::SetZLevel(PRUint32 aLevel)
{
nsCOMPtr<nsIWindowMediator> mediator(do_GetService(kWindowMediatorCID));
if (!mediator)
return NS_ERROR_FAILURE;
PRUint32 zLevel;
mediator->GetZLevel(this, &zLevel);
if (zLevel == aLevel)
return NS_OK;
/* refuse to raise a maximized window above the normal browser level,
for fear it could hide newly opened browser windows */
if (aLevel > nsIXULWindow::normalZ) {
PRInt32 sizeMode;
if (mWindow) {
mWindow->GetSizeMode(&sizeMode);
if (sizeMode == nsSizeMode_Maximized)
return NS_ERROR_FAILURE;
}
}
// disallow user script
nsCOMPtr<nsIScriptSecurityManager> secMan =
do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID);
if (!secMan)
return NS_ERROR_FAILURE;
PRBool inChrome;
if (NS_FAILED(secMan->SubjectPrincipalIsSystem(&inChrome)) || !inChrome)
return NS_ERROR_FAILURE;
// do it
mediator->SetZLevel(this, aLevel);
PersistentAttributesDirty(PAD_MISC);
SavePersistentAttributes();
// finally, send a notification DOM event
nsCOMPtr<nsIContentViewer> cv;
mDocShell->GetContentViewer(getter_AddRefs(cv));
nsCOMPtr<nsIDocumentViewer> dv(do_QueryInterface(cv));
if (dv) {
nsCOMPtr<nsIDocument> doc;
dv->GetDocument(getter_AddRefs(doc));
nsCOMPtr<nsIDOMDocumentEvent> docEvent(do_QueryInterface(doc));
if (docEvent) {
nsCOMPtr<nsIDOMEvent> event;
docEvent->CreateEvent(NS_LITERAL_STRING("Events"), getter_AddRefs(event));
if (event) {
event->InitEvent(NS_LITERAL_STRING("windowZLevel"), PR_TRUE, PR_FALSE);
PRBool noDefault;
nsCOMPtr<nsIDOMEventTarget> targ(do_QueryInterface(doc));
if (targ)
targ->DispatchEvent(event, &noDefault);
}
}
}
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetContextFlags(PRUint32 *aContextFlags)
{
NS_ENSURE_ARG_POINTER(aContextFlags);
*aContextFlags = mContextFlags;
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::SetContextFlags(PRUint32 aContextFlags)
{
mContextFlags = aContextFlags;
if(mContentTreeOwner)
mContentTreeOwner->ApplyChromeFlags();
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::SetIntrinsicallySized(PRBool aIntrinsicallySized)
{
mIntrinsicallySized = aIntrinsicallySized;
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetIntrinsicallySized(PRBool* aIntrinsicallySized)
{
NS_ENSURE_ARG_POINTER(aIntrinsicallySized);
*aIntrinsicallySized = mIntrinsicallySized;
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetPrimaryContentShell(nsIDocShellTreeItem**
aDocShellTreeItem)
{
NS_ENSURE_ARG_POINTER(aDocShellTreeItem);
*aDocShellTreeItem = nsnull;
PRInt32 count = mContentShells.Count();
for (PRInt32 i = 0; i < count; i++) {
nsContentShellInfo* shellInfo = (nsContentShellInfo*)mContentShells.ElementAt(i);
if (shellInfo->primary) {
*aDocShellTreeItem = shellInfo->child;
NS_IF_ADDREF(*aDocShellTreeItem);
return NS_OK;
}
}
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetContentShellById(const PRUnichar* aID,
nsIDocShellTreeItem** aDocShellTreeItem)
{
NS_ENSURE_ARG_POINTER(aDocShellTreeItem);
*aDocShellTreeItem = nsnull;
PRInt32 count = mContentShells.Count();
for (PRInt32 i = 0; i < count; i++) {
nsContentShellInfo* shellInfo = (nsContentShellInfo*)mContentShells.ElementAt(i);
if (shellInfo->id.Equals(aID)) {
*aDocShellTreeItem = shellInfo->child;
NS_IF_ADDREF(*aDocShellTreeItem);
return NS_OK;
}
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsXULWindow::AddChildWindow(nsIXULWindow *aChild)
{
// we're not really keeping track of this right now
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::RemoveChildWindow(nsIXULWindow *aChild)
{
// we're not really keeping track of this right now
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::ShowModal()
{
nsCOMPtr<nsIAppShell> appShell(do_CreateInstance(kAppShellCID));
NS_ENSURE_TRUE(appShell, NS_ERROR_FAILURE);
appShell->Create(0, nsnull);
appShell->Spinup();
// Store locally so it doesn't die on us
nsCOMPtr<nsIWidget> window = mWindow;
nsCOMPtr<nsIXULWindow> tempRef = this;
window->SetModal(PR_TRUE);
mContinueModalLoop = PR_TRUE;
EnableParent(PR_FALSE);
nsCOMPtr<nsIAppShellService> appShellService(do_GetService(kAppShellServiceCID));
if (appShellService)
appShellService->TopLevelWindowIsModal(
NS_STATIC_CAST(nsIXULWindow*, this), PR_TRUE);
nsCOMPtr<nsIJSContextStack> stack(do_GetService("@mozilla.org/js/xpc/ContextStack;1"));
nsresult rv = NS_OK;
if (stack && NS_SUCCEEDED(stack->Push(nsnull))) {
while(NS_SUCCEEDED(rv) && mContinueModalLoop) {
void* data;
PRBool isRealEvent;
PRBool processEvent;
rv = appShell->GetNativeEvent(isRealEvent, data);
if(NS_SUCCEEDED(rv)) {
window->ModalEventFilter(isRealEvent, data, &processEvent);
if(processEvent)
appShell->DispatchNativeEvent(isRealEvent, data);
}
}
JSContext* cx;
stack->Pop(&cx);
NS_ASSERTION(cx == nsnull, "JSContextStack mismatch");
} else
rv = NS_ERROR_FAILURE;
mContinueModalLoop = PR_FALSE;
window->SetModal(PR_FALSE);
if (appShellService)
appShellService->TopLevelWindowIsModal(
NS_STATIC_CAST(nsIXULWindow*, this), PR_FALSE);
/* Note there's no EnableParent(PR_TRUE) here to match the PR_FALSE one
above. That's done in ExitModalLoop. It's important that the parent
be re-enabled before this window is made invisible; to do otherwise
causes bizarre z-ordering problems. At this point, the window is
already invisible.
No known current implementation of Enable would have a problem with
re-enabling the parent twice, so we could do it again here without
breaking any current implementation. But that's unnecessary if the
modal loop is always exited using ExitModalLoop (the other way would be
to change the protected member variable directly.)
*/
appShell->Spindown();
return mModalStatus;
}
//*****************************************************************************
// nsXULWindow::nsIBaseWindow
//*****************************************************************************
NS_IMETHODIMP nsXULWindow::InitWindow(nativeWindow aParentNativeWindow,
nsIWidget* parentWidget, PRInt32 x, PRInt32 y, PRInt32 cx, PRInt32 cy)
{
//XXX First Check In
NS_ASSERTION(PR_FALSE, "Not Yet Implemented");
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::Create()
{
//XXX First Check In
NS_ASSERTION(PR_FALSE, "Not Yet Implemented");
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::Destroy()
{
if(!mWindow)
return NS_OK;
nsCOMPtr<nsIAppShellService> appShell(do_GetService(kAppShellServiceCID));
if(appShell)
appShell->UnregisterTopLevelWindow(NS_STATIC_CAST(nsIXULWindow*, this));
nsCOMPtr<nsIXULWindow> parentWindow(do_QueryReferent(mParentWindow));
if (parentWindow)
parentWindow->RemoveChildWindow(this);
// Anyone still using native menus should add themselves here.
#if defined(XP_MAC) || defined(XP_MACOSX)
{
// unregister as document listener
// this is needed for menus
nsCOMPtr<nsIContentViewer> cv;
if(mDocShell)
mDocShell->GetContentViewer(getter_AddRefs(cv));
nsCOMPtr<nsIDocumentViewer> docv(do_QueryInterface(cv));
if(docv)
{
nsCOMPtr<nsIDocument> doc;
docv->GetDocument(getter_AddRefs(doc));
/* if(doc)
doc->RemoveObserver(NS_STATIC_CAST(nsIDocumentObserver*, this)); */
}
}
#endif
// let's make sure the window doesn't get deleted out from under us
// while we are trying to close....this can happen if the docshell
// we close ends up being the last owning reference to this xulwindow
// XXXTAB This shouldn't be an issue anymore because the ownership model
// only goes in one direction. When webshell container is fully removed
// try removing this...
nsCOMPtr<nsIXULWindow> placeHolder = this;
// Remove modality (if any) and hide while destroying. More than
// a convenience, the hide prevents user interaction with the partially
// destroyed window. This is especially necessary when the eldest window
// in a stack of modal windows is destroyed first. It happens.
ExitModalLoop(NS_OK);
if (mWindow)
mWindow->Show(PR_FALSE);
#if defined(XP_WIN) || defined(XP_OS2)
// We need to explicitly set the focus on Windows
nsCOMPtr<nsIBaseWindow> parent(do_QueryReferent(mParentWindow));
if (parent) {
nsCOMPtr<nsIBaseWindow> baseHiddenWindow;
if (appShell) {
nsCOMPtr<nsIXULWindow> hiddenWindow;
appShell->GetHiddenWindow(getter_AddRefs(hiddenWindow));
if (hiddenWindow)
baseHiddenWindow = do_GetInterface(hiddenWindow);
}
// somebody screwed up somewhere. hiddenwindow shouldn't be anybody's
// parent. still, when it happens, skip activating it.
if (baseHiddenWindow != parent) {
nsCOMPtr<nsIWidget> parentWidget;
parent->GetMainWidget(getter_AddRefs(parentWidget));
if (parentWidget)
parentWidget->PlaceBehind(eZPlacementTop, 0, PR_TRUE);
}
}
#endif
mDOMWindow = nsnull;
if(mDocShell) {
nsCOMPtr<nsIBaseWindow> shellAsWin(do_QueryInterface(mDocShell));
shellAsWin->Destroy();
mDocShell = nsnull; // this can cause reentrancy of this function
}
// Remove our ref on the content shells
PRInt32 count;
count = mContentShells.Count();
for(PRInt32 i = 0; i < count; i++) {
nsContentShellInfo* shellInfo = (nsContentShellInfo*)(mContentShells.ElementAt(i));
delete shellInfo;
}
mContentShells.Clear();
if(mContentTreeOwner) {
mContentTreeOwner->XULWindow(nsnull);
NS_RELEASE(mContentTreeOwner);
}
if(mPrimaryContentTreeOwner) {
mPrimaryContentTreeOwner->XULWindow(nsnull);
NS_RELEASE(mPrimaryContentTreeOwner);
}
if(mChromeTreeOwner) {
mChromeTreeOwner->XULWindow(nsnull);
NS_RELEASE(mChromeTreeOwner);
}
if(mWindow) {
mWindow->SetClientData(0); // nsWebShellWindow hackery
mWindow = nsnull;
}
/* Inform the appshellservice we've destroyed this window and it could
quit now if it wanted. This must happen at least after mDocShell
is destroyed, because onunload handlers fire then, and those being
script, anything could happen. A new window could open, even.
See bug 130719. */
if(appShell)
appShell->Quit(nsIAppShellService::eConsiderQuit);
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::SetPosition(PRInt32 aX, PRInt32 aY)
{
/* any attempt to set the window's size or position overrides the window's
zoom state. this is important when these two states are competing while
the window is being opened. but it should probably just always be so. */
mWindow->SetSizeMode(nsSizeMode_Normal);
NS_ENSURE_SUCCESS(mWindow->Move(aX, aY), NS_ERROR_FAILURE);
PersistentAttributesDirty(PAD_POSITION);
SavePersistentAttributes();
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetPosition(PRInt32* aX, PRInt32* aY)
{
return GetPositionAndSize(aX, aY, nsnull, nsnull);
}
NS_IMETHODIMP nsXULWindow::SetSize(PRInt32 aCX, PRInt32 aCY, PRBool aRepaint)
{
/* any attempt to set the window's size or position overrides the window's
zoom state. this is important when these two states are competing while
the window is being opened. but it should probably just always be so. */
mWindow->SetSizeMode(nsSizeMode_Normal);
mIntrinsicallySized = PR_FALSE;
NS_ENSURE_SUCCESS(mWindow->Resize(aCX, aCY, aRepaint), NS_ERROR_FAILURE);
PersistentAttributesDirty(PAD_SIZE);
SavePersistentAttributes();
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetSize(PRInt32* aCX, PRInt32* aCY)
{
return GetPositionAndSize(nsnull, nsnull, aCX, aCY);
}
NS_IMETHODIMP nsXULWindow::SetPositionAndSize(PRInt32 aX, PRInt32 aY,
PRInt32 aCX, PRInt32 aCY, PRBool aRepaint)
{
/* any attempt to set the window's size or position overrides the window's
zoom state. this is important when these two states are competing while
the window is being opened. but it should probably just always be so. */
mWindow->SetSizeMode(nsSizeMode_Normal);
mIntrinsicallySized = PR_FALSE;
NS_ENSURE_SUCCESS(mWindow->Resize(aX, aY, aCX, aCY, aRepaint), NS_ERROR_FAILURE);
PersistentAttributesDirty(PAD_POSITION | PAD_SIZE);
SavePersistentAttributes();
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetPositionAndSize(PRInt32* x, PRInt32* y, PRInt32* cx,
PRInt32* cy)
{
nsRect rect;
if (!mWindow)
return NS_ERROR_FAILURE;
mWindow->GetScreenBounds(rect);
if(x)
*x = rect.x;
if(y)
*y = rect.y;
if(cx)
*cx = rect.width;
if(cy)
*cy = rect.height;
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::Center(nsIXULWindow *aRelative, PRBool aScreen, PRBool aAlert) {
PRInt32 left, top, width, height,
ourWidth, ourHeight;
PRBool screenCoordinates = PR_FALSE,
windowCoordinates = PR_FALSE;
nsresult result;
if (!mChromeLoaded) {
// note we lose the parameters. at time of writing, this isn't a problem.
mCenterAfterLoad = PR_TRUE;
return NS_OK;
}
if (!aScreen && !aRelative)
return NS_ERROR_INVALID_ARG;
nsCOMPtr<nsIScreenManager> screenmgr = do_GetService("@mozilla.org/gfx/screenmanager;1", &result);
if (NS_FAILED(result))
return result;
nsCOMPtr<nsIScreen> screen;
if (aRelative) {
nsCOMPtr<nsIBaseWindow> base(do_QueryInterface(aRelative, &result));
if (base) {
// get window rect
result = base->GetPositionAndSize(&left, &top, &width, &height);
if (NS_SUCCEEDED(result)) {
// if centering on screen, convert that to the corresponding screen
if (aScreen)
screenmgr->ScreenForRect(left, top, width, height, getter_AddRefs(screen));
else
windowCoordinates = PR_TRUE;
} else {
// something's wrong with the reference window.
// fall back to the primary screen
aRelative = 0;
aScreen = PR_TRUE;
}
}
}
if (!aRelative)
screenmgr->GetPrimaryScreen(getter_AddRefs(screen));
if (aScreen && screen) {
screen->GetAvailRect(&left, &top, &width, &height);
screenCoordinates = PR_TRUE;
}
if (screenCoordinates || windowCoordinates) {
GetSize(&ourWidth, &ourHeight);
left += (width - ourWidth) / 2;
top += (height - ourHeight) / (aAlert ? 3 : 2);
if (windowCoordinates)
mWindow->ConstrainPosition(PR_FALSE, &left, &top);
SetPosition(left, top);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsXULWindow::Repaint(PRBool aForce)
{
//XXX First Check In
NS_ASSERTION(PR_FALSE, "Not Yet Implemented");
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetParentWidget(nsIWidget** aParentWidget)
{
NS_ENSURE_ARG_POINTER(aParentWidget);
NS_ENSURE_STATE(mWindow);
*aParentWidget = mWindow->GetParent();
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::SetParentWidget(nsIWidget* aParentWidget)
{
//XXX First Check In
NS_ASSERTION(PR_FALSE, "Not Yet Implemented");
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetParentNativeWindow(nativeWindow* aParentNativeWindow)
{
NS_ENSURE_ARG_POINTER(aParentNativeWindow);
nsCOMPtr<nsIWidget> parentWidget;
NS_ENSURE_SUCCESS(GetParentWidget(getter_AddRefs(parentWidget)), NS_ERROR_FAILURE);
*aParentNativeWindow = parentWidget->GetNativeData(NS_NATIVE_WIDGET);
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::SetParentNativeWindow(nativeWindow aParentNativeWindow)
{
//XXX First Check In
NS_ASSERTION(PR_FALSE, "Not Yet Implemented");
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetVisibility(PRBool* aVisibility)
{
NS_ENSURE_ARG_POINTER(aVisibility);
//XXX First Check In
NS_ASSERTION(PR_FALSE, "Not Yet Implemented");
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::SetVisibility(PRBool aVisibility)
{
NS_TIMELINE_ENTER("nsXULWindow::SetVisibility.");
if(!mChromeLoaded)
{
mShowAfterLoad = aVisibility;
NS_TIMELINE_LEAVE("nsXULWindow::SetVisibility");
return NS_OK;
}
if(mDebuting) {
NS_TIMELINE_LEAVE("nsXULWindow::SetVisibility");
return NS_OK;
}
mDebuting = PR_TRUE; // (Show / Focus is recursive)
//XXXTAB Do we really need to show docshell and the window? Isn't
// the window good enough?
nsCOMPtr<nsIBaseWindow> shellAsWin(do_QueryInterface(mDocShell));
shellAsWin->SetVisibility(aVisibility);
mWindow->Show(aVisibility);
nsCOMPtr<nsIWindowMediator> windowMediator(do_GetService(kWindowMediatorCID));
if(windowMediator)
windowMediator->UpdateWindowTimeStamp(NS_STATIC_CAST(nsIXULWindow*, this));
// Hide splash screen (if there is one).
static PRBool splashScreenGone = PR_FALSE;
if(!splashScreenGone)
{
nsCOMPtr<nsIAppShellService> appShellService(do_GetService(kAppShellServiceCID));
if(appShellService)
appShellService->HideSplashScreen();
splashScreenGone = PR_TRUE;
}
mDebuting = PR_FALSE;
NS_TIMELINE_LEAVE("nsXULWindow::SetVisibility");
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetEnabled(PRBool *aEnabled)
{
NS_ENSURE_ARG_POINTER(aEnabled);
if (mWindow)
return mWindow->IsEnabled(aEnabled);
*aEnabled = PR_TRUE; // better guess than most
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsXULWindow::SetEnabled(PRBool aEnable)
{
if (mWindow) {
mWindow->Enable(aEnable);
return NS_OK;
}
return NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsXULWindow::GetBlurSuppression(PRBool *aBlurSuppression)
{
NS_ENSURE_ARG_POINTER(aBlurSuppression);
*aBlurSuppression = mBlurSuppressionLevel > 0;
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::SetBlurSuppression(PRBool aBlurSuppression)
{
if (aBlurSuppression)
++mBlurSuppressionLevel;
else {
NS_ASSERTION(mBlurSuppressionLevel > 0, "blur over-allowed");
if (mBlurSuppressionLevel > 0)
--mBlurSuppressionLevel;
}
return NS_OK;
/* XXX propagate this information to the widget? It has its own
independent concept of blur suppression. Each is used on
a different platform, so at time of writing it's not necessary
to keep them in sync. (And there's no interface for doing so.) */
}
NS_IMETHODIMP nsXULWindow::GetMainWidget(nsIWidget** aMainWidget)
{
NS_ENSURE_ARG_POINTER(aMainWidget);
*aMainWidget = mWindow;
NS_IF_ADDREF(*aMainWidget);
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::SetFocus()
{
//XXX First Check In
NS_ASSERTION(PR_FALSE, "Not Yet Implemented");
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetTitle(PRUnichar** aTitle)
{
NS_ENSURE_ARG_POINTER(aTitle);
//XXX First Check In
NS_ASSERTION(PR_FALSE, "Not Yet Implemented");
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::SetTitle(const PRUnichar* aTitle)
{
NS_ENSURE_STATE(mWindow);
nsAutoString title(aTitle);
NS_ENSURE_SUCCESS(mWindow->SetTitle(title), NS_ERROR_FAILURE);
// Tell the window mediator that a title has changed
nsCOMPtr<nsIWindowMediator> windowMediator(do_GetService(kWindowMediatorCID));
if(!windowMediator)
return NS_OK;
windowMediator->UpdateWindowTitle(NS_STATIC_CAST(nsIXULWindow*, this), aTitle);
return NS_OK;
}
//*****************************************************************************
// nsXULWindow: Helpers
//*****************************************************************************
NS_IMETHODIMP nsXULWindow::EnsureChromeTreeOwner()
{
if(mChromeTreeOwner)
return NS_OK;
mChromeTreeOwner = new nsChromeTreeOwner();
NS_ENSURE_TRUE(mChromeTreeOwner, NS_ERROR_OUT_OF_MEMORY);
NS_ADDREF(mChromeTreeOwner);
mChromeTreeOwner->XULWindow(this);
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::EnsureContentTreeOwner()
{
if(mContentTreeOwner)
return NS_OK;
mContentTreeOwner = new nsContentTreeOwner(PR_FALSE);
NS_ENSURE_TRUE(mContentTreeOwner, NS_ERROR_FAILURE);
NS_ADDREF(mContentTreeOwner);
mContentTreeOwner->XULWindow(this);
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::EnsurePrimaryContentTreeOwner()
{
if(mPrimaryContentTreeOwner)
return NS_OK;
mPrimaryContentTreeOwner = new nsContentTreeOwner(PR_TRUE);
NS_ENSURE_TRUE(mPrimaryContentTreeOwner, NS_ERROR_FAILURE);
NS_ADDREF(mPrimaryContentTreeOwner);
mPrimaryContentTreeOwner->XULWindow(this);
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::EnsurePrompter()
{
if (mPrompter)
return NS_OK;
nsCOMPtr<nsIDOMWindowInternal> ourWindow;
nsresult rv = GetWindowDOMWindow(getter_AddRefs(ourWindow));
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
if (wwatch)
wwatch->GetNewPrompter(ourWindow, getter_AddRefs(mPrompter));
}
return mPrompter ? NS_OK : NS_ERROR_FAILURE;
}
NS_IMETHODIMP nsXULWindow::EnsureAuthPrompter()
{
if (mAuthPrompter)
return NS_OK;
nsCOMPtr<nsIDOMWindowInternal> ourWindow;
nsresult rv = GetWindowDOMWindow(getter_AddRefs(ourWindow));
if (NS_SUCCEEDED(rv)) {
nsCOMPtr<nsIWindowWatcher> wwatch(do_GetService(NS_WINDOWWATCHER_CONTRACTID));
if (wwatch)
wwatch->GetNewAuthPrompter(ourWindow, getter_AddRefs(mAuthPrompter));
}
return mAuthPrompter ? NS_OK : NS_ERROR_FAILURE;
}
void nsXULWindow::OnChromeLoaded()
{
nsresult rv = EnsureContentTreeOwner();
if (NS_SUCCEEDED(rv)) {
mChromeLoaded = PR_TRUE;
if(mContentTreeOwner)
mContentTreeOwner->ApplyChromeFlags();
LoadTitleFromXUL();
LoadWindowClassFromXUL();
LoadIconFromXUL();
LoadSizeFromXUL();
if(mIntrinsicallySized) {
// (if LoadSizeFromXUL set the size, mIntrinsicallySized will be false)
nsCOMPtr<nsIContentViewer> cv;
mDocShell->GetContentViewer(getter_AddRefs(cv));
nsCOMPtr<nsIMarkupDocumentViewer> markupViewer(do_QueryInterface(cv));
if(markupViewer)
markupViewer->SizeToContent();
}
PRBool positionSet = PR_TRUE;
nsCOMPtr<nsIXULWindow> parentWindow(do_QueryReferent(mParentWindow));
#if defined(XP_UNIX) && !defined(XP_MACOSX)
// don't override WM placement on unix for independent, top-level windows
// (however, we think the benefits of intelligent dependent window placement
// trump that override.)
if (!parentWindow)
positionSet = PR_FALSE;
#endif
if (positionSet)
positionSet = LoadPositionFromXUL();
LoadMiscPersistentAttributesFromXUL();
//LoadContentAreas();
LoadChromeHidingFromXUL();
if (mCenterAfterLoad && !positionSet)
Center(parentWindow, parentWindow ? PR_FALSE : PR_TRUE, PR_FALSE);
if(mShowAfterLoad)
SetVisibility(PR_TRUE);
}
mPersistentAttributesMask |= PAD_POSITION | PAD_SIZE | PAD_MISC;
}
nsresult nsXULWindow::LoadChromeHidingFromXUL()
{
NS_ENSURE_STATE(mWindow);
// Get <window> element.
nsCOMPtr<nsIDOMElement> windowElement;
GetWindowDOMElement(getter_AddRefs(windowElement));
NS_ENSURE_TRUE(windowElement, NS_ERROR_FAILURE);
nsAutoString attr;
nsresult rv = windowElement->GetAttribute(NS_LITERAL_STRING("hidechrome"), attr);
if (NS_SUCCEEDED(rv) && attr.EqualsIgnoreCase("true")) {
mWindow->HideWindowChrome(PR_TRUE);
}
return NS_OK;
}
PRBool nsXULWindow::LoadPositionFromXUL()
{
nsresult rv;
PRBool gotPosition = PR_FALSE;
// if we're the hidden window, don't try to validate our size/position. We're
// special.
if (mIsHiddenWindow)
return PR_FALSE;
nsCOMPtr<nsIDOMElement> windowElement;
GetWindowDOMElement(getter_AddRefs(windowElement));
NS_ASSERTION(windowElement, "no xul:window");
if (!windowElement)
return PR_FALSE;
PRInt32 currX = 0;
PRInt32 currY = 0;
PRInt32 currWidth = 0;
PRInt32 currHeight = 0;
PRInt32 errorCode;
PRInt32 temp;
GetPositionAndSize(&currX, &currY, &currWidth, &currHeight);
// Obtain the position information from the <xul:window> element.
PRInt32 specX = currX;
PRInt32 specY = currY;
nsAutoString posString;
rv = windowElement->GetAttribute(NS_LITERAL_STRING("screenX"), posString);
if (NS_SUCCEEDED(rv)) {
temp = posString.ToInteger(&errorCode);
if (NS_SUCCEEDED(errorCode)) {
specX = temp;
gotPosition = PR_TRUE;
}
}
rv = windowElement->GetAttribute(NS_LITERAL_STRING("screenY"), posString);
if (NS_SUCCEEDED(rv)) {
temp = posString.ToInteger(&errorCode);
if (NS_SUCCEEDED(errorCode)) {
specY = temp;
gotPosition = PR_TRUE;
}
}
if (gotPosition) {
// our position will be relative to our parent, if any
nsCOMPtr<nsIBaseWindow> parent(do_QueryReferent(mParentWindow));
if (parent) {
PRInt32 parentX, parentY;
if (NS_SUCCEEDED(parent->GetPosition(&parentX, &parentY))) {
specX += parentX;
specY += parentY;
}
} else
StaggerPosition(specX, specY, currWidth, currHeight);
}
mWindow->ConstrainPosition(PR_FALSE, &specX, &specY);
if (specX != currX || specY != currY)
SetPosition(specX, specY);
return gotPosition;
}
PRBool nsXULWindow::LoadSizeFromXUL()
{
nsresult rv;
PRBool gotSize = PR_FALSE;
// if we're the hidden window, don't try to validate our size/position. We're
// special.
if (mIsHiddenWindow)
return PR_FALSE;
nsCOMPtr<nsIDOMElement> windowElement;
GetWindowDOMElement(getter_AddRefs(windowElement));
NS_ASSERTION(windowElement, "no xul:window");
if (!windowElement)
return PR_FALSE;
PRInt32 currWidth = 0;
PRInt32 currHeight = 0;
PRInt32 errorCode;
PRInt32 temp;
GetSize(&currWidth, &currHeight);
// Obtain the position and sizing information from the <xul:window> element.
PRInt32 specWidth = currWidth;
PRInt32 specHeight = currHeight;
nsAutoString sizeString;
rv = windowElement->GetAttribute(NS_LITERAL_STRING("width"), sizeString);
if (NS_SUCCEEDED(rv)) {
temp = sizeString.ToInteger(&errorCode);
if (NS_SUCCEEDED(errorCode) && temp > 0) {
specWidth = temp > 100 ? temp : 100;
gotSize = PR_TRUE;
}
}
rv = windowElement->GetAttribute(NS_LITERAL_STRING("height"), sizeString);
if (NS_SUCCEEDED(rv)) {
temp = sizeString.ToInteger(&errorCode);
if (NS_SUCCEEDED(errorCode) && temp > 0) {
specHeight = temp > 100 ? temp : 100;
gotSize = PR_TRUE;
}
}
if (gotSize) {
// constrain to screen size
nsCOMPtr<nsIDOMWindowInternal> domWindow;
GetWindowDOMWindow(getter_AddRefs(domWindow));
if (domWindow) {
nsCOMPtr<nsIDOMScreen> screen;
domWindow->GetScreen(getter_AddRefs(screen));
if (screen) {
PRInt32 screenWidth;
PRInt32 screenHeight;
screen->GetAvailWidth(&screenWidth);
screen->GetAvailHeight(&screenHeight);
if (specWidth > screenWidth)
specWidth = screenWidth;
if (specHeight > screenHeight)
specHeight = screenHeight;
}
}
mIntrinsicallySized = PR_FALSE;
if (specWidth != currWidth || specHeight != currHeight)
SetSize(specWidth, specHeight, PR_FALSE);
}
return gotSize;
}
/* Miscellaneous persistent attributes are attributes named in the
|persist| attribute, other than size and position. Those are special
because it's important to load those before one of the misc
attributes (sizemode) and they require extra processing. */
PRBool nsXULWindow::LoadMiscPersistentAttributesFromXUL()
{
nsresult rv;
PRBool gotState = PR_FALSE;
/* There are no misc attributes of interest to the hidden window.
It's especially important not to try to validate that window's
size or position, because some platforms (Mac OS X) need to
make it visible and offscreen. */
if (mIsHiddenWindow)
return PR_FALSE;
nsCOMPtr<nsIDOMElement> windowElement;
GetWindowDOMElement(getter_AddRefs(windowElement));
NS_ASSERTION(windowElement, "no xul:window");
if (!windowElement)
return PR_FALSE;
nsAutoString stateString;
// sizemode
rv = windowElement->GetAttribute(NS_LITERAL_STRING("sizemode"), stateString);
if (NS_SUCCEEDED(rv)) {
PRInt32 sizeMode = nsSizeMode_Normal;
/* ignore request to minimize, to not confuse novices
if (stateString.Equals(SIZEMODE_MINIMIZED))
sizeMode = nsSizeMode_Minimized;
*/
if (stateString.Equals(SIZEMODE_MAXIMIZED)) {
mIntrinsicallySized = PR_FALSE;
sizeMode = nsSizeMode_Maximized;
}
// the widget had better be able to deal with not becoming visible yet
mWindow->SetSizeMode(sizeMode);
gotState = PR_TRUE;
}
// zlevel
rv = windowElement->GetAttribute(NS_LITERAL_STRING("zlevel"), stateString);
if (NS_SUCCEEDED(rv) && stateString.Length() > 0) {
PRInt32 errorCode;
PRUint32 zLevel = stateString.ToInteger(&errorCode);
if (NS_SUCCEEDED(errorCode) && zLevel >= lowestZ && zLevel <= highestZ)
SetZLevel(zLevel);
}
return gotState;
}
/* Stagger windows of the same type so they don't appear on top of each other.
This code does have a scary double loop -- it'll keep passing through
the entire list of open windows until it finds a non-collision. Doesn't
seem to be a problem, but it deserves watching.
*/
void nsXULWindow::StaggerPosition(PRInt32 &aRequestedX, PRInt32 &aRequestedY,
PRInt32 aSpecWidth, PRInt32 aSpecHeight)
{
const PRInt32 kOffset = 22; // XXX traditionally different for mac.
const PRInt32 kSlop = 4;
nsresult rv;
PRBool keepTrying;
int bouncedX = 0, // bounced off vertical edge of screen
bouncedY = 0; // bounced off horizontal edge
// look for any other windows of this type
nsCOMPtr<nsIWindowMediator> wm(do_GetService(NS_WINDOWMEDIATOR_CONTRACTID));
if (!wm)
return;
nsCOMPtr<nsIDOMElement> windowElement;
GetWindowDOMElement(getter_AddRefs(windowElement));
nsCOMPtr<nsIXULWindow> ourXULWindow(this);
nsAutoString windowType;
rv = windowElement->GetAttribute(WINDOWTYPE_ATTRIBUTE, windowType);
if (NS_FAILED(rv))
return;
PRInt32 screenTop = 0, // it's pointless to initialize these ...
screenRight = 0, // ... but to prevent oversalubrious and ...
screenBottom = 0, // ... underbright compilers from ...
screenLeft = 0; // ... issuing warnings.
PRBool gotScreen = PR_FALSE;
{ // fetch screen coordinates
nsCOMPtr<nsIScreenManager> screenMgr(do_GetService(
"@mozilla.org/gfx/screenmanager;1"));
if (screenMgr) {
nsCOMPtr<nsIScreen> ourScreen;
screenMgr->ScreenForRect(aRequestedX, aRequestedY,
aSpecWidth, aSpecHeight,
getter_AddRefs(ourScreen));
if (ourScreen) {
PRInt32 screenWidth, screenHeight;
ourScreen->GetAvailRect(&screenLeft, &screenTop,
&screenWidth, &screenHeight);
screenBottom = screenTop + screenHeight;
screenRight = screenLeft + screenWidth;
gotScreen = PR_TRUE;
}
}
}
// one full pass through all windows of this type. repeat until
// no collisions.
do {
keepTrying = PR_FALSE;
nsCOMPtr<nsISimpleEnumerator> windowList;
wm->GetXULWindowEnumerator(windowType.get(), getter_AddRefs(windowList));
if (!windowList)
break;
// one full pass through all windows of this type. offset and stop
// on collision.
do {
PRBool more;
PRInt32 listX, listY;
windowList->HasMoreElements(&more);
if (!more)
break;
nsCOMPtr<nsISupports> supportsWindow;
windowList->GetNext(getter_AddRefs(supportsWindow));
nsCOMPtr<nsIXULWindow> listXULWindow(do_QueryInterface(supportsWindow));
nsCOMPtr<nsIBaseWindow> listBaseWindow(do_QueryInterface(supportsWindow));
if (listXULWindow != ourXULWindow) {
listBaseWindow->GetPosition(&listX, &listY);
if (PR_ABS(listX-aRequestedX) <= kSlop &&
PR_ABS(listY-aRequestedY) <= kSlop) {
// collision! offset and start over
if (bouncedX & 0x1)
aRequestedX -= kOffset;
else
aRequestedX += kOffset;
aRequestedY += kOffset;
if (gotScreen) {
// bounce off left and right edges
if (!(bouncedX & 0x1) && aRequestedX + aSpecWidth > screenRight) {
aRequestedX = screenRight - aSpecWidth;
++bouncedX;
}
if ((bouncedX & 0x1) && aRequestedX < screenLeft) {
aRequestedX = screenLeft;
++bouncedX;
}
// hit the bottom and start again at the top
if (aRequestedY + aSpecHeight > screenBottom) {
aRequestedY = screenTop;
++bouncedY;
}
}
/* loop around again,
but it's time to give up once we've covered the screen.
there's a potential infinite loop with lots of windows. */
keepTrying = bouncedX < 2 || bouncedY == 0;
break;
}
}
} while(1);
} while (keepTrying);
}
NS_IMETHODIMP nsXULWindow::LoadTitleFromXUL()
{
nsCOMPtr<nsIDOMElement> docShellElement;
GetWindowDOMElement(getter_AddRefs(docShellElement));
NS_ENSURE_TRUE(docShellElement, NS_ERROR_FAILURE);
nsAutoString windowTitle;
docShellElement->GetAttribute(NS_LITERAL_STRING("title"), windowTitle);
if(windowTitle.IsEmpty())
return NS_OK;
NS_ENSURE_SUCCESS(EnsureChromeTreeOwner(), NS_ERROR_FAILURE);
mChromeTreeOwner->SetTitle(windowTitle.get());
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::LoadWindowClassFromXUL()
{
if (mWindow->GetWindowClass(nsnull)==NS_ERROR_NOT_IMPLEMENTED)
return NS_OK;
nsCOMPtr<nsIDOMElement> docShellElement;
GetWindowDOMElement(getter_AddRefs(docShellElement));
NS_ENSURE_TRUE(docShellElement, NS_ERROR_FAILURE);
nsAutoString windowClass;
docShellElement->GetAttribute(NS_LITERAL_STRING("windowtype"),
windowClass);
if (!windowClass.IsEmpty())
{
PRBool persistPosition;
PRBool persistSize;
PRBool persistSizeMode;
if (NS_SUCCEEDED(
mContentTreeOwner->
GetPersistence(&persistPosition, &persistSize, &persistSizeMode)
) && !persistPosition && !persistSize && !persistSizeMode)
windowClass.Append(NS_LITERAL_STRING("-jsSpamPopupCrap"));
char *windowClass_cstr = ToNewCString(windowClass);
mWindow->SetWindowClass(windowClass_cstr);
nsMemory::Free(windowClass_cstr);
}
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::LoadIconFromXUL()
{
NS_ENSURE_STATE(mWindow);
// Get <window> element.
nsCOMPtr<nsIDOMElement> windowElement;
GetWindowDOMElement(getter_AddRefs(windowElement));
NS_ENSURE_TRUE(windowElement, NS_ERROR_FAILURE);
// XXX The following code is being #if 0'd out since it
// basically does nothing until bug 70974 is fixed.
// After bug 70974 is fixed, we will also need to implement
// computed style for that property before this will
// be of any use. And even then, it will *still*
// do nothing on platforms which don't implement
// nsWindow::SetIcon(). See bug 76211 for that.
// Also see bug 57576 and its dependency tree.
#if 0
// Get document in which this <window> is contained.
nsCOMPtr<nsIDOMDocument> document;
windowElement->GetOwnerDocument(getter_AddRefs(document));
NS_ENSURE_TRUE(document, NS_ERROR_FAILURE);
// Get document view.
nsCOMPtr<nsIDOMDocumentView> docView(do_QueryInterface(document));
NS_ENSURE_TRUE(docView, NS_ERROR_FAILURE);
// Get default/abstract view.
nsCOMPtr<nsIDOMAbstractView> abstractView;
docView->GetDefaultView(getter_AddRefs(abstractView));
NS_ENSURE_TRUE(abstractView, NS_ERROR_FAILURE);
// Get "view CSS."
nsCOMPtr<nsIDOMViewCSS> viewCSS(do_QueryInterface(abstractView));
NS_ENSURE_TRUE(viewCSS, NS_ERROR_FAILURE);
// Next, get CSS style declaration.
nsCOMPtr<nsIDOMCSSStyleDeclaration> cssDecl;
nsAutoString empty;
viewCSS->GetComputedStyle(windowElement, empty, getter_AddRefs(cssDecl));
NS_ENSURE_TRUE(cssDecl, NS_ERROR_FAILURE);
// Whew. Now get "list-style-image" property value.
nsAutoString windowIcon;
windowIcon.Assign(NS_LITERAL_STRING("-moz-window-icon"));
nsAutoString icon;
cssDecl->GetPropertyValue(windowIcon, icon);
#endif
nsAutoString icon;
icon.Assign(NS_LITERAL_STRING("resource:///chrome/icons/default/"));
nsAutoString id;
windowElement->GetAttribute(NS_LITERAL_STRING("id"), id);
if (id.IsEmpty()) {
id.Assign(NS_LITERAL_STRING("default"));
}
icon.Append(id);
mWindow->SetIcon(icon);
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::SavePersistentAttributes()
{
// can happen when the persistence timer fires at an inopportune time
// during window shutdown
if (!mDocShell)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIDOMElement> docShellElement;
GetWindowDOMElement(getter_AddRefs(docShellElement));
if(!docShellElement)
return NS_ERROR_FAILURE;
nsAutoString persistString;
docShellElement->GetAttribute(PERSIST_ATTRIBUTE, persistString);
if (persistString.IsEmpty()) { // quick check which sometimes helps
mPersistentAttributesDirty = 0;
return NS_OK;
}
PRInt32 x, y, cx, cy;
PRInt32 sizeMode;
// get our size, position and mode to persist
NS_ENSURE_SUCCESS(GetPositionAndSize(&x, &y, &cx, &cy), NS_ERROR_FAILURE);
mWindow->GetSizeMode(&sizeMode);
// make our position relative to our parent, if any
nsCOMPtr<nsIBaseWindow> parent(do_QueryReferent(mParentWindow));
if (parent) {
PRInt32 parentX, parentY;
if (NS_SUCCEEDED(parent->GetPosition(&parentX, &parentY))) {
x -= parentX;
y -= parentY;
}
}
char sizeBuf[10];
nsAutoString sizeString;
nsAutoString windowElementId;
nsCOMPtr<nsIDOMXULDocument> ownerXULDoc;
{ // fetch docShellElement's ID and XUL owner document
nsCOMPtr<nsIDOMDocument> ownerDoc;
docShellElement->GetOwnerDocument(getter_AddRefs(ownerDoc));
ownerXULDoc = do_QueryInterface(ownerDoc);
nsCOMPtr<nsIDOMXULElement> XULElement(do_QueryInterface(docShellElement));
if (XULElement)
XULElement->GetId(windowElementId);
}
// (only for size elements which are persisted)
if ((mPersistentAttributesDirty & PAD_POSITION) &&
sizeMode == nsSizeMode_Normal) {
if(persistString.Find("screenX") >= 0) {
PR_snprintf(sizeBuf, sizeof(sizeBuf), "%ld", (long)x);
sizeString.AssignWithConversion(sizeBuf);
docShellElement->SetAttribute(SCREENX_ATTRIBUTE, sizeString);
if (ownerXULDoc) // force persistence in case the value didn't change
ownerXULDoc->Persist(windowElementId, SCREENX_ATTRIBUTE);
}
if(persistString.Find("screenY") >= 0) {
PR_snprintf(sizeBuf, sizeof(sizeBuf), "%ld", (long)y);
sizeString.AssignWithConversion(sizeBuf);
docShellElement->SetAttribute(SCREENY_ATTRIBUTE, sizeString);
if (ownerXULDoc)
ownerXULDoc->Persist(windowElementId, SCREENY_ATTRIBUTE);
}
}
if ((mPersistentAttributesDirty & PAD_SIZE) &&
sizeMode == nsSizeMode_Normal) {
if(persistString.Find("width") >= 0) {
PR_snprintf(sizeBuf, sizeof(sizeBuf), "%ld", (long)cx);
sizeString.AssignWithConversion(sizeBuf);
docShellElement->SetAttribute(WIDTH_ATTRIBUTE, sizeString);
if (ownerXULDoc)
ownerXULDoc->Persist(windowElementId, WIDTH_ATTRIBUTE);
}
if(persistString.Find("height") >= 0) {
PR_snprintf(sizeBuf, sizeof(sizeBuf), "%ld", (long)cy);
sizeString.AssignWithConversion(sizeBuf);
docShellElement->SetAttribute(HEIGHT_ATTRIBUTE, sizeString);
if (ownerXULDoc)
ownerXULDoc->Persist(windowElementId, HEIGHT_ATTRIBUTE);
}
}
if (mPersistentAttributesDirty & PAD_MISC) {
if (sizeMode != nsSizeMode_Minimized &&
persistString.Find("sizemode") >= 0) {
if (sizeMode == nsSizeMode_Maximized)
sizeString.Assign(SIZEMODE_MAXIMIZED);
else
sizeString.Assign(SIZEMODE_NORMAL);
docShellElement->SetAttribute(MODE_ATTRIBUTE, sizeString);
if (ownerXULDoc)
ownerXULDoc->Persist(windowElementId, MODE_ATTRIBUTE);
}
if (persistString.Find("zlevel") >= 0) {
PRUint32 zLevel;
nsCOMPtr<nsIWindowMediator> mediator(do_GetService(kWindowMediatorCID));
if (mediator) {
mediator->GetZLevel(this, &zLevel);
PR_snprintf(sizeBuf, sizeof(sizeBuf), "%lu", (unsigned long)zLevel);
sizeString.AssignWithConversion(sizeBuf);
docShellElement->SetAttribute(ZLEVEL_ATTRIBUTE, sizeString);
ownerXULDoc->Persist(windowElementId, ZLEVEL_ATTRIBUTE);
}
}
}
mPersistentAttributesDirty = 0;
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetWindowDOMWindow(nsIDOMWindowInternal** aDOMWindow)
{
NS_ENSURE_STATE(mDocShell);
if(!mDOMWindow)
mDOMWindow = do_GetInterface(mDocShell);
NS_ENSURE_TRUE(mDOMWindow, NS_ERROR_FAILURE);
*aDOMWindow = mDOMWindow;
NS_ADDREF(*aDOMWindow);
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetWindowDOMElement(nsIDOMElement** aDOMElement)
{
NS_ENSURE_STATE(mDocShell);
NS_ENSURE_ARG_POINTER(aDOMElement);
*aDOMElement = nsnull;
nsCOMPtr<nsIContentViewer> cv;
mDocShell->GetContentViewer(getter_AddRefs(cv));
if(!cv)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIDocumentViewer> docv(do_QueryInterface(cv));
if(!docv)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIDocument> doc;
docv->GetDocument(getter_AddRefs(doc));
nsCOMPtr<nsIDOMDocument> domdoc(do_QueryInterface(doc));
if(!domdoc)
return NS_ERROR_FAILURE;
domdoc->GetDocumentElement(aDOMElement);
if(!*aDOMElement)
return NS_ERROR_FAILURE;
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::GetDOMElementById(char* aID, nsIDOMElement** aDOMElement)
{
NS_ENSURE_STATE(mDocShell);
NS_ENSURE_ARG_POINTER(aDOMElement);
*aDOMElement = nsnull;
nsCOMPtr<nsIContentViewer> cv;
mDocShell->GetContentViewer(getter_AddRefs(cv));
if(!cv)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIDocumentViewer> docv(do_QueryInterface(cv));
if(!docv)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIDocument> doc;
docv->GetDocument(getter_AddRefs(doc));
nsCOMPtr<nsIDOMDocument> domdoc(do_QueryInterface(doc));
if(!domdoc)
return NS_ERROR_FAILURE;
NS_ENSURE_SUCCESS(domdoc->GetElementById(NS_ConvertASCIItoUCS2(aID), aDOMElement), NS_ERROR_FAILURE);
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::ContentShellAdded(nsIDocShellTreeItem* aContentShell,
PRBool aPrimary, const PRUnichar* aID)
{
nsContentShellInfo* shellInfo = nsnull;
nsDependentString newID(aID);
PRBool resetTreeOwner = PR_FALSE;
PRInt32 count = mContentShells.Count();
// First null any extant references to us in any of the content shell
// fields.
PRInt32 i;
for (i = 0; i < count; i++) {
nsContentShellInfo* info = (nsContentShellInfo*)mContentShells.ElementAt(i);
if (info->child == aContentShell) {
info->child = nsnull;
resetTreeOwner = PR_TRUE;
}
}
// Now find the appropriate entry and put ourselves in as the content shell.
for (i = 0; i < count; i++) {
nsContentShellInfo* info = (nsContentShellInfo*)mContentShells.ElementAt(i);
if (info->primary == aPrimary && info->id.Equals(newID)) {
// We already exist. Do a replace.
info->child = aContentShell;
shellInfo = info;
break;
}
}
if (!shellInfo) {
shellInfo = new nsContentShellInfo(newID, aPrimary, aContentShell);
mContentShells.AppendElement((void*)shellInfo);
}
// Set the default content tree owner if one does not exist.
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
aContentShell->GetTreeOwner(getter_AddRefs(treeOwner));
if (!treeOwner || resetTreeOwner) {
if (aPrimary) {
NS_ENSURE_SUCCESS(EnsurePrimaryContentTreeOwner(), NS_ERROR_FAILURE);
aContentShell->SetTreeOwner(mPrimaryContentTreeOwner);
}
else {
NS_ENSURE_SUCCESS(EnsureContentTreeOwner(), NS_ERROR_FAILURE);
aContentShell->SetTreeOwner(mContentTreeOwner);
}
}
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::SizeShellTo(nsIDocShellTreeItem* aShellItem,
PRInt32 aCX, PRInt32 aCY)
{
// XXXTAB This is wrong, we should actually reflow based on the passed in'
// shell. For now we are hacking and doing delta sizing. This is bad
// because it assumes all size we add will go to the shell which probably
// won't happen.
nsCOMPtr<nsIBaseWindow> shellAsWin(do_QueryInterface(aShellItem));
NS_ENSURE_TRUE(shellAsWin, NS_ERROR_FAILURE);
PRInt32 width = 0;
PRInt32 height = 0;
shellAsWin->GetSize(&width, &height);
PRInt32 widthDelta = aCX - width;
PRInt32 heightDelta = aCY - height;
if(widthDelta || heightDelta)
{
PRInt32 winCX = 0;
PRInt32 winCY = 0;
GetSize(&winCX, &winCY);
SetSize(winCX + widthDelta, winCY + heightDelta, PR_TRUE);
}
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::ExitModalLoop(nsresult aStatus)
{
if (mContinueModalLoop)
EnableParent(PR_TRUE);
mContinueModalLoop = PR_FALSE;
mModalStatus = aStatus;
return NS_OK;
}
// top-level function to create a new window
NS_IMETHODIMP nsXULWindow::CreateNewWindow(PRInt32 aChromeFlags,
nsIXULWindow **_retval)
{
NS_ENSURE_ARG_POINTER(_retval);
if (aChromeFlags & nsIWebBrowserChrome::CHROME_OPENAS_CHROME)
return CreateNewChromeWindow(aChromeFlags, _retval);
return CreateNewContentWindow(aChromeFlags, _retval);
}
NS_IMETHODIMP nsXULWindow::CreateNewChromeWindow(PRInt32 aChromeFlags,
nsIXULWindow **_retval)
{
NS_TIMELINE_ENTER("nsXULWindow::CreateNewChromeWindow");
nsCOMPtr<nsIAppShellService> appShell(do_GetService(kAppShellServiceCID));
NS_ENSURE_TRUE(appShell, NS_ERROR_FAILURE);
// Just do a normal create of a window and return.
//XXXTAB remove this when appshell talks in terms of nsIXULWindow
nsCOMPtr<nsIXULWindow> parent;
if(aChromeFlags & nsIWebBrowserChrome::CHROME_DEPENDENT)
parent = this;
nsCOMPtr<nsIXULWindow> newWindow;
appShell->CreateTopLevelWindow(parent, nsnull, PR_FALSE, PR_FALSE,
aChromeFlags, nsIAppShellService::SIZE_TO_CONTENT,
nsIAppShellService::SIZE_TO_CONTENT, getter_AddRefs(newWindow));
NS_ENSURE_TRUE(newWindow, NS_ERROR_FAILURE);
// XXX Ick, this should be able to go away.....
nsCOMPtr<nsIWebBrowserChrome> browserChrome(do_GetInterface(newWindow));
if(browserChrome)
browserChrome->SetChromeFlags(aChromeFlags);
*_retval = newWindow;
NS_ADDREF(*_retval);
NS_TIMELINE_LEAVE("nsXULWindow::CreateNewChromeWindow done");
return NS_OK;
}
NS_IMETHODIMP nsXULWindow::CreateNewContentWindow(PRInt32 aChromeFlags,
nsIXULWindow **_retval)
{
NS_TIMELINE_ENTER("nsXULWindow::CreateNewContentWindow");
nsCOMPtr<nsIAppShellService> appShell(do_GetService(kAppShellServiceCID));
NS_ENSURE_TRUE(appShell, NS_ERROR_FAILURE);
nsCOMPtr<nsIXULWindow> parent;
if(aChromeFlags & nsIWebBrowserChrome::CHROME_DEPENDENT)
parent = this;
// We need to create a new top level window and then enter a nested
// loop. Eventually the new window will be told that it has loaded,
// at which time we know it is safe to spin out of the nested loop
// and allow the opening code to proceed.
// First push a nested event queue for event processing from netlib
// onto our UI thread queue stack.
nsEventQueueStack queuePusher;
NS_ENSURE_SUCCESS(queuePusher.Success(), NS_ERROR_FAILURE);
nsCOMPtr<nsIURI> uri;
nsCOMPtr<nsIPref> prefs(do_GetService(kPrefServiceCID));
if (prefs) {
char *urlStr;
PRBool strAllocated = PR_TRUE;
nsresult prefres;
prefres = prefs->CopyCharPref("browser.chromeURL", &urlStr);
if (NS_SUCCEEDED(prefres) && urlStr[0] == '\0') {
PL_strfree(urlStr);
prefres = NS_ERROR_FAILURE;
}
if (NS_FAILED(prefres)) {
urlStr = "chrome://navigator/content/navigator.xul";
strAllocated = PR_FALSE;
}
nsCOMPtr<nsIIOService> service(do_GetService(kIOServiceCID));
if (service)
service->NewURI(nsDependentCString(urlStr), nsnull, nsnull, getter_AddRefs(uri));
if (strAllocated)
PL_strfree(urlStr);
}
NS_ENSURE_TRUE(uri, NS_ERROR_FAILURE);
nsCOMPtr<nsIXULWindow> newWindow;
appShell->CreateTopLevelWindow(parent, uri, PR_FALSE, PR_FALSE,
aChromeFlags, 615, 480,
getter_AddRefs(newWindow));
NS_ENSURE_TRUE(newWindow, NS_ERROR_FAILURE);
nsCOMPtr<nsIWebShellWindow> webShellWindow(do_QueryInterface(newWindow));
nsCOMPtr<nsIWebBrowserChrome> browserChrome(do_GetInterface(newWindow));
if(browserChrome)
browserChrome->SetChromeFlags(aChromeFlags);
nsCOMPtr<nsIAppShell> subShell(do_CreateInstance(kAppShellCID));
NS_ENSURE_TRUE(subShell, NS_ERROR_FAILURE);
subShell->Create(0, nsnull);
subShell->Spinup();
// Specify that we want the window to remain locked until the chrome has loaded.
webShellWindow->LockUntilChromeLoad();
PRBool locked = PR_FALSE;
webShellWindow->GetLockedState(locked);
// Push nsnull onto the JSContext stack before we dispatch a native event.
nsCOMPtr<nsIJSContextStack> stack(do_GetService("@mozilla.org/js/xpc/ContextStack;1"));
if(stack && NS_SUCCEEDED(stack->Push(nsnull)))
{
nsresult looprv = NS_OK;
while(NS_SUCCEEDED(looprv) && locked)
{
void *data;
PRBool isRealEvent;
looprv = subShell->GetNativeEvent(isRealEvent, data);
subShell->DispatchNativeEvent(isRealEvent, data);
webShellWindow->GetLockedState(locked);
}
JSContext *cx;
stack->Pop(&cx);
NS_ASSERTION(cx == nsnull, "JSContextStack mismatch");
}
subShell->Spindown();
*_retval = newWindow;
NS_ADDREF(*_retval);
NS_TIMELINE_LEAVE("nsXULWindow::CreateNewContentWindow");
return NS_OK;
}
// XXX can this switch now?
/// This should rightfully be somebody's CONTRACTID?
// Will switch when the "app shell browser component" arrives.
static const char *prefix = "@mozilla.org/appshell/component/browser/window;1";
NS_IMETHODIMP nsXULWindow::NotifyObservers(const PRUnichar* aTopic,
const PRUnichar* aData)
{
nsCOMPtr<nsIObserverService> service(do_GetService("@mozilla.org/observer-service;1"));
if(!service)
return NS_ERROR_FAILURE;
nsCOMPtr<nsIWebShellWindow>
removeme(do_QueryInterface(NS_STATIC_CAST(nsIXULWindow*, this)));
nsCAutoString topic; topic.Assign(prefix);
topic.Append(";");
topic.AppendWithConversion(aTopic);
NS_ENSURE_SUCCESS(service->NotifyObservers(removeme, topic.get(), aData),
NS_ERROR_FAILURE);
return NS_OK;
}
void nsXULWindow::EnableParent(PRBool aEnable)
{
nsCOMPtr<nsIBaseWindow> parentWindow;
nsCOMPtr<nsIWidget> parentWidget;
parentWindow = do_QueryReferent(mParentWindow);
if (parentWindow)
parentWindow->GetMainWidget(getter_AddRefs(parentWidget));
if (parentWidget)
parentWidget->Enable(aEnable);
}
// Constrain the window to its proper z-level
PRBool nsXULWindow::ConstrainToZLevel(
PRBool aImmediate,
nsWindowZ *aPlacement,
nsIWidget *aReqBelow,
nsIWidget **aActualBelow) {
#if 0
/* Do we have a parent window? This means our z-order is already constrained,
since we're a dependent window. Our window list isn't hierarchical,
so we can't properly calculate placement for such a window.
Should we just abort? */
nsCOMPtr<nsIBaseWindow> parentWindow = do_QueryReferent(mParentWindow);
if (parentWindow)
return PR_FALSE;
#endif
nsCOMPtr<nsIWindowMediator> mediator(do_GetService(kWindowMediatorCID));
if(!mediator)
return PR_FALSE;
PRBool altered;
PRUint32 position,
newPosition,
zLevel;
nsIXULWindow *us = this;
altered = PR_FALSE;
mediator->GetZLevel(this, &zLevel);
// translate from nsGUIEvent to nsIWindowMediator constants
position = nsIWindowMediator::zLevelTop;
if (*aPlacement == nsWindowZBottom || zLevel == nsIXULWindow::lowestZ)
position = nsIWindowMediator::zLevelBottom;
else if (*aPlacement == nsWindowZRelative)
position = nsIWindowMediator::zLevelBelow;
if (NS_SUCCEEDED(mediator->CalculateZPosition(us, position, aReqBelow,
&newPosition, aActualBelow, &altered))) {
/* If we were asked to move to the top but constrained to remain
below one of our other windows, first move all windows in that
window's layer and above to the top. This allows the user to
click a window which can't be topmost and still bring mozilla
to the foreground. */
if (altered &&
(position == nsIWindowMediator::zLevelTop ||
position == nsIWindowMediator::zLevelBelow && aReqBelow == 0))
PlaceWindowLayersBehind(zLevel+1, nsIXULWindow::highestZ, 0);
if (*aPlacement != nsWindowZBottom &&
position == nsIWindowMediator::zLevelBottom)
altered = PR_TRUE;
if (altered || aImmediate) {
if (newPosition == nsIWindowMediator::zLevelTop)
*aPlacement = nsWindowZTop;
else if (newPosition == nsIWindowMediator::zLevelBottom)
*aPlacement = nsWindowZBottom;
else
*aPlacement = nsWindowZRelative;
if (aImmediate) {
nsCOMPtr<nsIBaseWindow> ourBase = do_QueryInterface(NS_STATIC_CAST(nsIXULWindow *,this));
if (ourBase) {
nsCOMPtr<nsIWidget> ourWidget;
ourBase->GetMainWidget(getter_AddRefs(ourWidget));
ourWidget->PlaceBehind(*aPlacement == nsWindowZBottom ?
eZPlacementBottom : eZPlacementBelow,
*aActualBelow, PR_FALSE);
}
}
}
/* (CalculateZPosition can tell us to be below nothing, because it tries
not to change something it doesn't recognize. A request to verify
being below an unrecognized window, then, is treated as a request
to come to the top (below null) */
nsCOMPtr<nsIXULWindow> windowAbove;
if (newPosition == nsIWindowMediator::zLevelBelow && *aActualBelow) {
void *data;
(*aActualBelow)->GetClientData(data);
if (data) {
nsWebShellWindow *win;
win = NS_REINTERPRET_CAST(nsWebShellWindow *, data);
windowAbove = do_QueryInterface(NS_STATIC_CAST(nsIWebShellWindow *,win));
}
}
mediator->SetZPosition(us, newPosition, windowAbove);
}
return altered;
}
/* Re-z-position all windows in the layers from aLowLevel to aHighLevel,
inclusive, to be behind aBehind. aBehind of null means on top.
Note this method actually does nothing to our relative window positions.
(And therefore there's no need to inform WindowMediator we're moving
things, because we aren't.) This method is useful for, say, moving
a range of layers of our own windows relative to windows belonging to
external applications.
*/
void nsXULWindow::PlaceWindowLayersBehind(PRUint32 aLowLevel,
PRUint32 aHighLevel,
nsIXULWindow *aBehind) {
// step through windows in z-order from top to bottommost window
nsCOMPtr<nsIWindowMediator> mediator(do_GetService(kWindowMediatorCID));
if(!mediator)
return;
nsCOMPtr<nsISimpleEnumerator> windowEnumerator;
mediator->GetZOrderXULWindowEnumerator(0, PR_TRUE,
getter_AddRefs(windowEnumerator));
if (!windowEnumerator)
return;
// each window will be moved behind previousHighWidget, itself
// a moving target. initialize it.
nsCOMPtr<nsIWidget> previousHighWidget;
if (aBehind) {
nsCOMPtr<nsIBaseWindow> highBase(do_QueryInterface(aBehind));
if (highBase)
highBase->GetMainWidget(getter_AddRefs(previousHighWidget));
}
// get next lower window
PRBool more;
while (windowEnumerator->HasMoreElements(&more), more) {
PRUint32 nextZ; // z-level of nextWindow
nsCOMPtr<nsISupports> nextWindow;
windowEnumerator->GetNext(getter_AddRefs(nextWindow));
nsCOMPtr<nsIXULWindow> nextXULWindow(do_QueryInterface(nextWindow));
nextXULWindow->GetZLevel(&nextZ);
if (nextZ < aLowLevel)
break; // we've processed all windows through aLowLevel
// move it just below its next higher window
nsCOMPtr<nsIBaseWindow> nextBase(do_QueryInterface(nextXULWindow));
if (nextBase) {
nsCOMPtr<nsIWidget> nextWidget;
nextBase->GetMainWidget(getter_AddRefs(nextWidget));
if (nextZ <= aHighLevel)
nextWidget->PlaceBehind(eZPlacementBelow, previousHighWidget, PR_FALSE);
previousHighWidget = nextWidget;
}
}
}
void nsXULWindow::SetContentScrollbarVisibility(PRBool aVisible) {
nsCOMPtr<nsIDocShellTreeItem> content;
GetPrimaryContentShell(getter_AddRefs(content));
nsCOMPtr<nsIDOMWindow> contentWin(do_GetInterface(content));
if (contentWin) {
nsCOMPtr<nsIDOMBarProp> scrollbars;
contentWin->GetScrollbars(getter_AddRefs(scrollbars));
if (scrollbars)
scrollbars->SetVisible(aVisible);
}
}
PRBool nsXULWindow::GetContentScrollbarVisibility() {
PRBool visible = PR_TRUE;
nsCOMPtr<nsIDocShellTreeItem> content;
GetPrimaryContentShell(getter_AddRefs(content));
nsCOMPtr<nsIDOMWindow> contentWin(do_GetInterface(content));
if (contentWin) {
nsCOMPtr<nsIDOMBarProp> scrollbars;
contentWin->GetScrollbars(getter_AddRefs(scrollbars));
if (scrollbars)
scrollbars->GetVisible(&visible);
}
return visible;
}
// during spinup, attributes that haven't been loaded yet can't be dirty
void nsXULWindow::PersistentAttributesDirty(PRUint32 aDirtyFlags) {
mPersistentAttributesDirty |= aDirtyFlags & mPersistentAttributesMask;
}
//*****************************************************************************
// nsXULWindow: Accessors
//*****************************************************************************
//*****************************************************************************
//*** nsContentShellInfo: Object Management
//*****************************************************************************
nsContentShellInfo::nsContentShellInfo(const nsAString& aID,
PRBool aPrimary,
nsIDocShellTreeItem* aContentShell)
: id(aID),
primary(aPrimary),
child(aContentShell)
{
}
nsContentShellInfo::~nsContentShellInfo()
{
//XXX Set Tree Owner to null if the tree owner is nsXULWindow->mContentTreeOwner
}
//*****************************************************************************
//*** nsEventQueueStack: Object Implementation
//*****************************************************************************
nsEventQueueStack::nsEventQueueStack() : mQueue(nsnull)
{
mService = do_GetService(kEventQueueServiceCID);
if(mService)
mService->PushThreadEventQueue(getter_AddRefs(mQueue));
}
nsEventQueueStack::~nsEventQueueStack()
{
if(mQueue)
mService->PopThreadEventQueue(mQueue);
mService = nsnull;
}
nsresult nsEventQueueStack::Success()
{
return mQueue ? NS_OK : NS_ERROR_FAILURE;
}
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