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Attachment 192640 Details for
Bug 303267
[patch]
this time, without the leaks=
temp.diff (text/plain), 61.04 KB, created by
Blake Kaplan (:mrbkap) (inactive)
(
hide
)
Description:
this time, without the leaks=
Filename:
MIME Type:
Creator:
Blake Kaplan (:mrbkap) (inactive)
Size:
61.04 KB
patch
obsolete
>? patch303642.txt >? temp.diff >? dom/src/base/.nsGlobalWindow.cpp.swp >? js/src/gc-debug >Index: content/html/document/src/nsHTMLDocument.cpp >=================================================================== >RCS file: /cvsroot/mozilla/content/html/document/src/nsHTMLDocument.cpp,v >retrieving revision 3.617 >diff -p -U10 -r3.617 nsHTMLDocument.cpp >--- content/html/document/src/nsHTMLDocument.cpp 13 Aug 2005 03:54:28 -0000 3.617 >+++ content/html/document/src/nsHTMLDocument.cpp 13 Aug 2005 23:14:43 -0000 >@@ -1908,22 +1908,22 @@ nsHTMLDocument::OpenCommon(const nsACStr > } > > // Before we reset the doc notify the globalwindow of the change. > > if (mScriptGlobalObject) { > // Hold onto ourselves on the offchance that we're down to one ref > > nsCOMPtr<nsIDOMDocument> kungFuDeathGrip = > do_QueryInterface((nsIHTMLDocument*)this); > >- rv = mScriptGlobalObject->SetNewDocument((nsDocument *)this, PR_FALSE, >- PR_FALSE); >+ rv = mScriptGlobalObject->SetNewDocument((nsDocument *)this, nsnull, >+ PR_FALSE, PR_FALSE); > > if (NS_FAILED(rv)) { > return rv; > } > } > > // XXX This is a nasty workaround for a scrollbar code bug > // (http://bugzilla.mozilla.org/show_bug.cgi?id=55334). > > // Hold on to our root element >Index: content/xbl/src/nsXBLDocumentInfo.cpp >=================================================================== >RCS file: /cvsroot/mozilla/content/xbl/src/nsXBLDocumentInfo.cpp,v >retrieving revision 1.31 >diff -p -U10 -r1.31 nsXBLDocumentInfo.cpp >--- content/xbl/src/nsXBLDocumentInfo.cpp 13 Aug 2005 03:54:28 -0000 1.31 >+++ content/xbl/src/nsXBLDocumentInfo.cpp 13 Aug 2005 23:14:44 -0000 >@@ -60,20 +60,21 @@ class nsXBLDocGlobalObject : public nsIS > public: > nsXBLDocGlobalObject(); > > // nsISupports interface > NS_DECL_ISUPPORTS > > // nsIScriptGlobalObject methods > virtual void SetContext(nsIScriptContext *aContext); > virtual nsIScriptContext *GetContext(); > virtual nsresult SetNewDocument(nsIDOMDocument *aDocument, >+ nsISupports *aState, > PRBool aRemoveEventListeners, > PRBool aClearScope); > virtual void SetDocShell(nsIDocShell *aDocShell); > virtual nsIDocShell *GetDocShell(); > virtual void SetOpenerWindow(nsIDOMWindowInternal *aOpener); > virtual void SetGlobalObjectOwner(nsIScriptGlobalObjectOwner* aOwner); > virtual nsIScriptGlobalObjectOwner *GetGlobalObjectOwner(); > virtual nsresult HandleDOMEvent(nsPresContext* aPresContext, > nsEvent* aEvent, > nsIDOMEvent** aDOMEvent, >@@ -213,20 +214,21 @@ nsXBLDocGlobalObject::GetContext() > ::JS_SetPrivate(cx, mJSObject, this); > NS_ADDREF(this); > } > > return mScriptContext; > } > > > nsresult > nsXBLDocGlobalObject::SetNewDocument(nsIDOMDocument *aDocument, >+ nsISupports *aState, > PRBool aRemoveEventListeners, > PRBool aClearScope) > { > NS_NOTREACHED("waaah!"); > return NS_ERROR_UNEXPECTED; > } > > > void > nsXBLDocGlobalObject::SetDocShell(nsIDocShell *aDocShell) >Index: content/xul/document/src/nsXULPrototypeDocument.cpp >=================================================================== >RCS file: /cvsroot/mozilla/content/xul/document/src/nsXULPrototypeDocument.cpp,v >retrieving revision 1.66 >diff -p -U10 -r1.66 nsXULPrototypeDocument.cpp >--- content/xul/document/src/nsXULPrototypeDocument.cpp 13 Aug 2005 03:54:29 -0000 1.66 >+++ content/xul/document/src/nsXULPrototypeDocument.cpp 13 Aug 2005 23:14:44 -0000 >@@ -82,20 +82,21 @@ class nsXULPDGlobalObject : public nsISc > public: > nsXULPDGlobalObject(); > > // nsISupports interface > NS_DECL_ISUPPORTS > > // nsIScriptGlobalObject methods > virtual void SetContext(nsIScriptContext *aContext); > virtual nsIScriptContext *GetContext(); > virtual nsresult SetNewDocument(nsIDOMDocument *aDocument, >+ nsISupports *aState, > PRBool aRemoveEventListeners, > PRBool aClearScope); > virtual void SetDocShell(nsIDocShell *aDocShell); > virtual nsIDocShell *GetDocShell(); > virtual void SetOpenerWindow(nsIDOMWindowInternal *aOpener); > virtual void SetGlobalObjectOwner(nsIScriptGlobalObjectOwner* aOwner); > virtual nsIScriptGlobalObjectOwner *GetGlobalObjectOwner(); > virtual nsresult HandleDOMEvent(nsPresContext* aPresContext, > nsEvent* aEvent, > nsIDOMEvent** aDOMEvent, >@@ -839,20 +840,21 @@ nsXULPDGlobalObject::GetContext() > ::JS_SetPrivate(cx, mJSObject, this); > NS_ADDREF(this); > } > > return mScriptContext; > } > > > nsresult > nsXULPDGlobalObject::SetNewDocument(nsIDOMDocument *aDocument, >+ nsISupports *aState, > PRBool aRemoveEventListeners, > PRBool aClearScope) > { > NS_NOTREACHED("waaah!"); > return NS_ERROR_UNEXPECTED; > } > > > void > nsXULPDGlobalObject::SetDocShell(nsIDocShell *aDocShell) >Index: docshell/base/nsDocShell.cpp >=================================================================== >RCS file: /cvsroot/mozilla/docshell/base/nsDocShell.cpp,v >retrieving revision 1.721 >diff -p -U10 -r1.721 nsDocShell.cpp >--- docshell/base/nsDocShell.cpp 13 Aug 2005 03:54:29 -0000 1.721 >+++ docshell/base/nsDocShell.cpp 13 Aug 2005 23:14:47 -0000 >@@ -5220,22 +5220,28 @@ nsDocShell::RestoreFromHistory() > // Destroy() is called. > > if (mContentViewer) { > mContentViewer->Close(mSavingOldViewer ? mOSHE.get() : nsnull); > mContentViewer->Destroy(); > } > > mContentViewer.swap(viewer); > viewer = nsnull; // force a release to complete ownership transfer > >+ // Grab the window state up here so we can pass it to Open. >+ nsCOMPtr<nsISupports> windowState; >+ mLSHE->GetWindowState(getter_AddRefs(windowState)); >+ >+ mLSHE->SetWindowState(nsnull); >+ > // Reattach to the window object. >- rv = mContentViewer->Open(); >+ rv = mContentViewer->Open(windowState); > > // Now remove it from the cached presentation. > mLSHE->SetContentViewer(nsnull); > mEODForCurrentDocument = PR_FALSE; > > // Restore the sticky state of the viewer. The viewer has set this state > // on the history entry in Destroy() just before marking itself non-sticky, > // to avoid teardown of the presentation. > PRBool sticky; > mLSHE->GetSticky(&sticky); >@@ -5268,28 +5274,23 @@ nsDocShell::RestoreFromHistory() > document->GetChannel(), PR_TRUE); > } > > // This is the end of our CreateContentViewer() replacement. > // Now we simulate a load. First, we restore the state of the javascript > // window object. > nsCOMPtr<nsPIDOMWindow> privWin = > do_GetInterface(NS_STATIC_CAST(nsIInterfaceRequestor*, this)); > NS_ASSERTION(privWin, "could not get nsPIDOMWindow interface"); > >- nsCOMPtr<nsISupports> windowState; >- mLSHE->GetWindowState(getter_AddRefs(windowState)); >- > rv = privWin->RestoreWindowState(windowState); > NS_ENSURE_SUCCESS(rv, rv); > >- mLSHE->SetWindowState(nsnull); >- > // Now, dispatch a title change event which would happed as the > // <head> is parsed. > nsCOMPtr<nsIDOMNSDocument> nsDoc = do_QueryInterface(document); > if (nsDoc) { > const nsAFlatString &title = document->GetDocumentTitle(); > nsDoc->SetTitle(title); > } > > // Now we simulate appending child docshells for subframes. > PRInt32 i = 0; >Index: docshell/base/nsIContentViewer.idl >=================================================================== >RCS file: /cvsroot/mozilla/docshell/base/nsIContentViewer.idl,v >retrieving revision 1.19 >diff -p -U10 -r1.19 nsIContentViewer.idl >--- docshell/base/nsIContentViewer.idl 13 Aug 2005 03:54:29 -0000 1.19 >+++ docshell/base/nsIContentViewer.idl 13 Aug 2005 23:14:47 -0000 >@@ -7,21 +7,21 @@ interface nsISHEntry; > %{ C++ > class nsIWidget; > class nsIDeviceContext; > struct nsRect; > %} > > [ptr] native nsIWidgetPtr(nsIWidget); > [ptr] native nsIDeviceContextPtr(nsIDeviceContext); > [ref] native nsRectRef(nsRect); > >-[scriptable, uuid(62d0e866-e608-4b1a-9ab0-467142b3e3bd)] >+[scriptable, uuid(6a7ddb40-8a9e-4576-8ad1-71c5641d8780)] > interface nsIContentViewer : nsISupports > { > > [noscript] void init(in nsIWidgetPtr aParentWidget, > in nsIDeviceContextPtr aDeviceContext, > [const] in nsRectRef aBounds); > > attribute nsISupports container; > > void loadStart(in nsISupports aDoc); >@@ -78,19 +78,21 @@ interface nsIContentViewer : nsISupports > /* > * This is called when the DOM window wants to be closed. Returns true > * if the window can close immediately. Otherwise, returns false and will > * close the DOM window as soon as practical. > */ > > boolean requestWindowClose(); > > /** > * Attach the content viewer to its DOM window and docshell. >+ * @param aState A state object that might be useful in attaching the DOM >+ * window. > */ >- void open(); >+ void open(in nsISupports aState); > > /** > * Clears the current history entry. This is used if we need to clear out > * the saved presentation state. > */ > void clearHistoryEntry(); > }; >Index: dom/public/nsIScriptGlobalObject.h >=================================================================== >RCS file: /cvsroot/mozilla/dom/public/nsIScriptGlobalObject.h,v >retrieving revision 3.28 >diff -p -U10 -r3.28 nsIScriptGlobalObject.h >--- dom/public/nsIScriptGlobalObject.h 13 Aug 2005 03:54:29 -0000 3.28 >+++ dom/public/nsIScriptGlobalObject.h 13 Aug 2005 23:14:47 -0000 >@@ -1,11 +1,12 @@ > /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ >+/* vim: set ts=2 sw=2 et tw=80: */ > /* ***** BEGIN LICENSE BLOCK ***** > * Version: MPL 1.1/GPL 2.0/LGPL 2.1 > * > * The contents of this file are subject to the Mozilla Public License Version > * 1.1 (the "License"); you may not use this file except in compliance with > * the License. You may obtain a copy of the License at > * http://www.mozilla.org/MPL/ > * > * Software distributed under the License is distributed on an "AS IS" basis, > * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License >@@ -44,36 +45,37 @@ > class nsIScriptContext; > class nsIDOMDocument; > class nsIDOMEvent; > class nsPresContext; > class nsIDocShell; > class nsIDOMWindowInternal; > class nsIScriptGlobalObjectOwner; > struct JSObject; > > #define NS_ISCRIPTGLOBALOBJECT_IID \ >-{ 0x2b16fc80, 0xfa41, 0x11d1, \ >-{ 0x9b, 0xc3, 0x00, 0x60, 0x08, 0x8c, 0xa6, 0xb3} } >+{ 0xd4ddb2f8, 0x385f, 0x4baa, \ >+ { 0xba, 0x69, 0x6c, 0x42, 0xb3, 0xc2, 0xd0, 0xd0 } } > > /** > * The JavaScript specific global object. This often used to store > * per-window global state. > */ > > class nsIScriptGlobalObject : public nsISupports > { > public: > NS_DEFINE_STATIC_IID_ACCESSOR(NS_ISCRIPTGLOBALOBJECT_IID) > > virtual void SetContext(nsIScriptContext *aContext) = 0; > virtual nsIScriptContext *GetContext() = 0; > virtual nsresult SetNewDocument(nsIDOMDocument *aDocument, >+ nsISupports *aState, > PRBool aRemoveEventListeners, > PRBool aClearScope) = 0; > virtual void SetDocShell(nsIDocShell *aDocShell) = 0; > virtual nsIDocShell *GetDocShell() = 0; > virtual void SetOpenerWindow(nsIDOMWindowInternal *aOpener)=0; > > /** > * Let the script global object know who its owner is. > * The script global object should not addref the owner. It > * will be told when the owner goes away. >Index: dom/src/base/nsGlobalWindow.cpp >=================================================================== >RCS file: /cvsroot/mozilla/dom/src/base/nsGlobalWindow.cpp,v >retrieving revision 1.763 >diff -p -U10 -r1.763 nsGlobalWindow.cpp >--- dom/src/base/nsGlobalWindow.cpp 13 Aug 2005 03:54:29 -0000 1.763 >+++ dom/src/base/nsGlobalWindow.cpp 13 Aug 2005 23:14:50 -0000 >@@ -1,11 +1,12 @@ > /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ >+/* vim: set sw=2 ts=2 et tw=80: */ > /* ***** BEGIN LICENSE BLOCK ***** > * Version: MPL 1.1/GPL 2.0/LGPL 2.1 > * > * The contents of this file are subject to the Mozilla Public License Version > * 1.1 (the "License"); you may not use this file except in compliance with > * the License. You may obtain a copy of the License at > * http://www.mozilla.org/MPL/ > * > * Software distributed under the License is distributed on an "AS IS" basis, > * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License >@@ -265,28 +266,29 @@ static const char kPkcs11ContractID[] = > //*** nsGlobalWindow: Object Management > //***************************************************************************** > > nsGlobalWindow::nsGlobalWindow(nsGlobalWindow *aOuterWindow) > : nsPIDOMWindow(aOuterWindow), > mFullScreen(PR_FALSE), > mIsClosed(PR_FALSE), > mInClose(PR_FALSE), > mOpenerWasCleared(PR_FALSE), > mIsPopupSpam(PR_FALSE), >- mJSObject(nsnull), > mArguments(nsnull), >+ mGlobalObjectOwner(nsnull), >+ mDocShell(nsnull), > mTimeouts(nsnull), > mTimeoutInsertionPoint(&mTimeouts), > mTimeoutPublicIdCounter(1), > mTimeoutFiringDepth(0), >- mGlobalObjectOwner(nsnull), >- mDocShell(nsnull) >+ mIsFrozen(PR_FALSE), >+ mJSObject(nsnull) > { > // Initialize the PRCList (this). > PR_INIT_CLIST(this); > > if (aOuterWindow) { > // |this| is an inner window, add this inner window to the outer > // |window list of inners. > PR_INSERT_AFTER(this, aOuterWindow); > } > >@@ -408,20 +410,62 @@ nsGlobalWindow::ClearControllers() > > nsCOMPtr<nsIControllerContext> context = do_QueryInterface(controller); > if (context) > context->SetCommandContext(nsnull); > } > > mControllers = nsnull; > } > } > >+void >+nsGlobalWindow::FreeInnerObjects(JSContext *cx) >+{ >+ NS_ASSERTION(IsInnerWindow(), "Don't free inner objects on an outer window"); >+ >+ ClearAllTimeouts(); >+ >+ mChromeEventHandler = nsnull; >+ >+ if (mLocation) { >+ // Invalidate the inner window's location object now that >+ // the inner window is being torn down. We need to do this >+ // to prevent people from holding on to an old inner >+ // window's location object somehow and tracking the >+ // location of the docshell... >+ mLocation->SetDocShell(nsnull); >+ } >+ >+ if (mListenerManager) { >+ mListenerManager->RemoveAllListeners(PR_FALSE); >+ mListenerManager = nsnull; >+ } >+ >+ if (mDocument) { >+ nsCOMPtr<nsIDocument> doc = >+ do_QueryInterface(mDocument); >+ >+ // Remember the document's principal. >+ mDocumentPrincipal = doc->GetPrincipal(); >+ } >+ >+ // Remove our reference to the document and the document principal. >+ mDocument = nsnull; >+ >+ if (mJSObject && cx) { >+ ::JS_ClearScope(cx, mJSObject); >+ ::JS_ClearWatchPointsForObject(cx, mJSObject); >+ >+ nsWindowSH::InvalidateGlobalScopePolluter(cx, mJSObject); >+ } >+} >+ > //***************************************************************************** > // nsGlobalWindow::nsISupports > //***************************************************************************** > > > // QueryInterface implementation for nsGlobalWindow > NS_INTERFACE_MAP_BEGIN(nsGlobalWindow) > // Make sure this matches the cast in nsGlobalWindow::FromWrapper() > NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIScriptGlobalObject) > NS_INTERFACE_MAP_ENTRY(nsIDOMWindowInternal) >@@ -530,44 +574,153 @@ nsGlobalWindow::PopPopupControlState(Pop > { > ::PopPopupControlState(aState); > } > > PopupControlState > nsGlobalWindow::GetPopupControlState() const > { > return gPopupControlState; > } > >+#define WINDOWSTATEHOLDER_IID \ >+{0x2aa29291, 0x3ac9, 0x4d37, {0xa4, 0x3d, 0x45, 0x15, 0x2f, 0x16, 0x23, 0x04 }} >+ >+class WindowStateHolder : public nsISupports >+{ >+public: >+ NS_DEFINE_STATIC_IID_ACCESSOR(WINDOWSTATEHOLDER_IID) >+ NS_DECL_ISUPPORTS >+ >+ WindowStateHolder(nsGlobalWindow *aWindow, >+ nsIXPConnectJSObjectHolder *aHolder, >+ nsNavigator *aNavigator); >+ >+ // Get the contents of focus memory when the state was saved >+ // (if the focus was inside of this window). >+ nsIDOMElement* GetFocusedElement() { return mFocusedElement; } >+ nsIDOMWindowInternal* GetFocusedWindow() { return mFocusedWindow; } >+ >+ nsGlobalWindow* GetInnerWindow() { return mInnerWindow; } >+ nsIXPConnectJSObjectHolder* GetInnerWindowHolder() >+ { return mInnerWindowHolder; } >+ >+ nsNavigator* GetNavigator() { return mNavigator; } >+ >+ void DidRestoreWindow() >+ { >+ mInnerWindow = nsnull; >+ mInnerWindowHolder = nsnull; >+ mNavigator = nsnull; >+ } >+ >+protected: >+ ~WindowStateHolder(); >+ >+ nsGlobalWindow *mInnerWindow; >+ // We hold onto this to make sure the inner window doesn't go away. The outer >+ // window ends up recalculating it anyway. >+ nsCOMPtr<nsIXPConnectJSObjectHolder> mInnerWindowHolder; >+ nsRefPtr<nsNavigator> mNavigator; >+ nsCOMPtr<nsIDOMElement> mFocusedElement; >+ nsCOMPtr<nsIDOMWindowInternal> mFocusedWindow; >+}; >+ >+WindowStateHolder::WindowStateHolder(nsGlobalWindow *aWindow, >+ nsIXPConnectJSObjectHolder *aHolder, >+ nsNavigator *aNavigator) >+ : mInnerWindow(aWindow), >+ mInnerWindowHolder(aHolder), >+ mNavigator(aNavigator) >+{ >+ NS_PRECONDITION(aWindow, "null window"); >+ NS_PRECONDITION(aWindow->IsInnerWindow(), "Saving an outer window"); >+ >+ nsIFocusController *fc = aWindow->GetRootFocusController(); >+ NS_ASSERTION(fc, "null focus controller"); >+ >+ // We want to save the focused element/window only if they are inside of >+ // this window. >+ >+ nsCOMPtr<nsIDOMWindowInternal> focusWinInternal; >+ fc->GetFocusedWindow(getter_AddRefs(focusWinInternal)); >+ >+ nsCOMPtr<nsPIDOMWindow> focusedWindow = do_QueryInterface(focusWinInternal); >+ >+ // The outer window is used for focus purposes, so make sure that's what >+ // we're looking for. >+ nsPIDOMWindow *targetWindow = aWindow->GetOuterWindow(); >+ >+ while (focusedWindow) { >+ if (focusedWindow == targetWindow) { >+ fc->GetFocusedWindow(getter_AddRefs(mFocusedWindow)); >+ fc->GetFocusedElement(getter_AddRefs(mFocusedElement)); >+ break; >+ } >+ >+ focusedWindow = >+ NS_STATIC_CAST(nsGlobalWindow*, >+ NS_STATIC_CAST(nsPIDOMWindow*, >+ focusedWindow))->GetPrivateParent(); >+ } >+ >+ aWindow->SuspendTimeouts(); >+} >+ >+WindowStateHolder::~WindowStateHolder() >+{ >+ if (mInnerWindow) { >+ // This window was left in the bfcache and is now going away. We need to >+ // free it up. >+ nsCOMPtr<nsIThreadJSContextStack> stack(do_GetService(sJSStackContractID)); >+ JSContext *cx = nsnull; >+ >+ if (stack) >+ stack->GetSafeJSContext(&cx); >+ >+ if (!cx) { >+ NS_WARNING("Trusting GC to finish cleaning up this inner window"); >+ return; >+ } >+ >+ mInnerWindow->FreeInnerObjects(cx); >+ } >+} >+ >+NS_IMPL_ISUPPORTS1(WindowStateHolder, WindowStateHolder) >+ > nsresult > nsGlobalWindow::SetNewDocument(nsIDOMDocument* aDocument, >+ nsISupports* aState, > PRBool aRemoveEventListeners, > PRBool aClearScopeHint) > { >- return SetNewDocument(aDocument, aRemoveEventListeners, aClearScopeHint, >- PR_FALSE); >+ return SetNewDocument(aDocument, aState, aRemoveEventListeners, >+ aClearScopeHint, PR_FALSE); > } > > nsresult > nsGlobalWindow::SetNewDocument(nsIDOMDocument* aDocument, >+ nsISupports* aState, > PRBool aRemoveEventListeners, > PRBool aClearScopeHint, > PRBool aIsInternalCall) > { > NS_WARN_IF_FALSE(mDocumentPrincipal == nsnull, > "mDocumentPrincipal prematurely set!"); > > if (!aIsInternalCall && IsInnerWindow()) { > if (!mOuterWindow) { > return NS_ERROR_NOT_INITIALIZED; > } > > return GetOuterWindowInternal()->SetNewDocument(aDocument, >+ aState, > aRemoveEventListeners, > aClearScopeHint, PR_TRUE); > } > > if (!aDocument) { > NS_ERROR("SetNewDocument(null) called!"); > > return NS_ERROR_INVALID_ARG; > } > >@@ -742,74 +895,95 @@ nsGlobalWindow::SetNewDocument(nsIDOMDoc > scx->WillInitializeContext(); > } > > if (IsOuterWindow()) { > nsGlobalWindow *currentInner = GetCurrentInnerWindowInternal(); > > // In case we're not removing event listeners, move the event > // listener manager over to the new inner window. > nsCOMPtr<nsIEventListenerManager> listenerManager; > >- if (currentInner) { >+ if (currentInner && !currentInner->IsFrozen()) { > if (!reUseInnerWindow) { > currentInner->ClearAllTimeouts(); > > currentInner->mChromeEventHandler = nsnull; >+ >+ if (currentInner->mLocation) { >+ // Invalidate the inner window's location object now that >+ // the inner window is being torn down. We need to do this >+ // to prevent people from holding on to an old inner >+ // window's location object somehow and tracking the >+ // location of the docshell... >+ currentInner->mLocation->SetDocShell(nsnull); >+ } > } > > if (aRemoveEventListeners && currentInner->mListenerManager) { > currentInner->mListenerManager->RemoveAllListeners(PR_FALSE); > currentInner->mListenerManager = nsnull; > } else { > listenerManager = currentInner->mListenerManager; > } > > nsWindowSH::InvalidateGlobalScopePolluter(cx, currentInner->mJSObject); > } > > nsRefPtr<nsGlobalWindow> newInnerWindow; > > nsCOMPtr<nsIDOMChromeWindow> thisChrome = > do_QueryInterface(NS_STATIC_CAST(nsIDOMWindow *, this)); > nsCOMPtr<nsIXPConnectJSObjectHolder> navigatorHolder; > > PRUint32 flags = 0; > >- if (reUseInnerWindow) { >+ if (reUseInnerWindow && !currentInner->IsFrozen()) { > // We're reusing the current inner window. > newInnerWindow = currentInner; > } else { >- if (thisChrome) { >- newInnerWindow = new nsGlobalChromeWindow(this); >- >- flags = nsIXPConnect::FLAG_SYSTEM_GLOBAL_OBJECT; >+ if (aState) { >+ nsCOMPtr<WindowStateHolder> wsh = do_QueryInterface(aState); >+ NS_ASSERTION(wsh, "What kind of weird state are you giving me here?"); >+ >+ newInnerWindow = wsh->GetInnerWindow(); >+ mInnerWindowHolder = wsh->GetInnerWindowHolder(); >+ mNavigator = wsh->GetNavigator(); // This assignment addrefs. > } else { >- newInnerWindow = new nsGlobalWindow(this); >+ if (thisChrome) { >+ newInnerWindow = new nsGlobalChromeWindow(this); >+ >+ flags = nsIXPConnect::FLAG_SYSTEM_GLOBAL_OBJECT; >+ } else { >+ newInnerWindow = new nsGlobalWindow(this); >+ } > } > > if (!newInnerWindow) { > return NS_ERROR_OUT_OF_MEMORY; > } > >- nsIScriptGlobalObject *sgo = >- (nsIScriptGlobalObject *)newInnerWindow.get(); >- >- nsresult rv = xpc-> >- InitClassesWithNewWrappedGlobal(cx, sgo, NS_GET_IID(nsISupports), >- flags, >- getter_AddRefs(mInnerWindowHolder)); >- NS_ENSURE_SUCCESS(rv, rv); >+ if (!aState) { >+ // This is redundant if we're restoring from a previous inner window. >+ nsIScriptGlobalObject *sgo = >+ (nsIScriptGlobalObject *)newInnerWindow.get(); >+ >+ nsresult rv = xpc-> >+ InitClassesWithNewWrappedGlobal(cx, sgo, NS_GET_IID(nsISupports), >+ flags, >+ getter_AddRefs(mInnerWindowHolder)); >+ NS_ENSURE_SUCCESS(rv, rv); > >- mInnerWindowHolder->GetJSObject(&newInnerWindow->mJSObject); >+ mInnerWindowHolder->GetJSObject(&newInnerWindow->mJSObject); >+ } > > if (currentInner && currentInner->mJSObject) { >- if (mNavigator) { >+ if (mNavigator && !aState) { > // Hold on to the navigator wrapper so that we can set > // window.navigator in the new window to point to the same > // object (assuming we didn't change origins etc). See bug > // 163645 for more on why we need this. > > nsIDOMNavigator* navigator = > NS_STATIC_CAST(nsIDOMNavigator*, mNavigator.get()); > xpc->WrapNative(cx, currentInner->mJSObject, navigator, > NS_GET_IID(nsIDOMNavigator), > getter_AddRefs(navigatorHolder)); >@@ -821,109 +995,119 @@ nsGlobalWindow::SetNewDocument(nsIDOMDoc > nsCOMPtr<nsIJSContextStack> stack = > do_GetService(sJSStackContractID); > > JSContext *cx = nsnull; > > if (stack) { > stack->Peek(&cx); > } > > nsIScriptContext *callerScx; >- if (cx && (callerScx = GetScriptContextFromJSContext(cx))) { >+ if (cx && (callerScx = GetScriptContextFromJSContext(cx)) && >+ !currentInner->IsFrozen()) { > // We're called from document.open() (and document.open() is > // called from JS), clear the scope etc in a termination > // function on the calling context to prevent clearing the > // calling scope. > callerScx->SetTerminationFunction(ClearWindowScope, > NS_STATIC_CAST(nsIDOMWindow *, > currentInner)); > > termFuncSet = PR_TRUE; > } > } > > // Clear scope on the outer window > ::JS_ClearScope(cx, mJSObject); > ::JS_ClearWatchPointsForObject(cx, mJSObject); >+ // Clear the regexp statics for the new page unconditionally. >+ // XXX They don't get restored on the inner window when we go back. >+ ::JS_ClearRegExpStatics(cx); > > // Re-initialize the outer window. > scx->InitContext(this); > >- if (!termFuncSet) { >- ::JS_ClearScope(cx, currentInner->mJSObject); >- ::JS_ClearWatchPointsForObject(cx, currentInner->mJSObject); >- ::JS_ClearRegExpStatics(cx); >- } >+ // Don't clear scope on our current inner window if it's going to be >+ // held in the bfcache. >+ if (!currentInner->IsFrozen()) { >+ if (!termFuncSet) { >+ ::JS_ClearScope(cx, currentInner->mJSObject); >+ ::JS_ClearWatchPointsForObject(cx, currentInner->mJSObject); >+ } > >- // Make the current inner window release its strong references >- // to the document to prevent it from keeping everything >- // around. But remember the document's principal. >- currentInner->mDocument = nsnull; >- currentInner->mDocumentPrincipal = oldPrincipal; >+ // Make the current inner window release its strong references >+ // to the document to prevent it from keeping everything >+ // around. But remember the document's principal. >+ currentInner->mDocument = nsnull; >+ currentInner->mDocumentPrincipal = oldPrincipal; >+ } > } > > mInnerWindow = newInnerWindow; > > // InitClassesWithNewWrappedGlobal() sets the global object in > // cx to be the new wrapped global. We don't want that, so set > // it back to our own JS object. > > ::JS_SetGlobalObject(cx, mJSObject); > >- if (newDoc != oldDoc) { >+ if (newDoc != oldDoc && !aState) { > nsCOMPtr<nsIHTMLDocument> html_doc(do_QueryInterface(mDocument)); > nsWindowSH::InstallGlobalScopePolluter(cx, newInnerWindow->mJSObject, > html_doc); > } >+ >+ newInnerWindow->mListenerManager = listenerManager; > } > > if (newDoc) { > newDoc->SetScriptGlobalObject(newInnerWindow); > } > >- if (reUseInnerWindow) { >- newInnerWindow->mDocument = aDocument; >- } else { >- rv = newInnerWindow->SetNewDocument(aDocument, aRemoveEventListeners, >- aClearScopeHint, PR_TRUE); >- NS_ENSURE_SUCCESS(rv, rv); >- >- // Initialize DOM classes etc on the inner window. >- rv = scx->InitClasses(newInnerWindow->mJSObject); >- NS_ENSURE_SUCCESS(rv, rv); >- >- if (navigatorHolder) { >- // Restore window.navigator onto the new inner window. >- JSObject *nav; >- navigatorHolder->GetJSObject(&nav); >- >- ::JS_DefineProperty(cx, newInnerWindow->mJSObject, "navigator", >- OBJECT_TO_JSVAL(nav), nsnull, nsnull, >- JSPROP_ENUMERATE); >+ if (!aState) { >+ if (reUseInnerWindow) { >+ newInnerWindow->mDocument = aDocument; >+ } else { >+ rv = newInnerWindow->SetNewDocument(aDocument, nsnull, >+ aRemoveEventListeners, >+ aClearScopeHint, PR_TRUE); >+ NS_ENSURE_SUCCESS(rv, rv); >+ >+ // Initialize DOM classes etc on the inner window. >+ rv = scx->InitClasses(newInnerWindow->mJSObject); >+ NS_ENSURE_SUCCESS(rv, rv); >+ >+ if (navigatorHolder) { >+ // Restore window.navigator onto the new inner window. >+ JSObject *nav; >+ navigatorHolder->GetJSObject(&nav); >+ >+ ::JS_DefineProperty(cx, newInnerWindow->mJSObject, "navigator", >+ OBJECT_TO_JSVAL(nav), nsnull, nsnull, >+ JSPROP_ENUMERATE); >+ } > } > >- newInnerWindow->mListenerManager = listenerManager; >- } >+ if (mArguments) { >+ jsval args = OBJECT_TO_JSVAL(mArguments); > >- if (mArguments) { >- jsval args = OBJECT_TO_JSVAL(mArguments); >+ ::JS_SetProperty(cx, newInnerWindow->mJSObject, "arguments", >+ &args); > >- ::JS_SetProperty(cx, newInnerWindow->mJSObject, "arguments", >- &args); >+ ::JS_UnlockGCThing(cx, mArguments); >+ mArguments = nsnull; >+ } > >- ::JS_UnlockGCThing(cx, mArguments); >- mArguments = nsnull; >+ // Give the new inner window our chrome event handler (since it >+ // doesn't have one). >+ newInnerWindow->mChromeEventHandler = mChromeEventHandler; > } >- >- // Give the new inner window our chrome event handler (since it >- // doesn't have one). >- newInnerWindow->mChromeEventHandler = mChromeEventHandler; > } > > if (scx && IsOuterWindow()) { > // Add an extra ref in case we release mContext during GC. > nsCOMPtr<nsIScriptContext> kungFuDeathGrip = scx; > scx->GC(); > > scx->DidInitializeContext(); > } > >@@ -944,54 +1128,24 @@ nsGlobalWindow::SetDocShell(nsIDocShell* > // SetDocShell(nsnull) means the window is being torn down. Drop our > // reference to the script context, allowing it to be deleted > // later. Meanwhile, keep our weak reference to the script object > // (mJSObject) so that it can be retrieved later (until it is > // finalized by the JS GC). > > if (!aDocShell && mContext) { > NS_ASSERTION(!mTimeouts, "Uh, outer window holds timeouts!"); > > JSContext *cx = (JSContext *)mContext->GetNativeContext(); >- > nsGlobalWindow *currentInner = GetCurrentInnerWindowInternal(); >- if (currentInner) { >- currentInner->ClearAllTimeouts(); >- >- if (currentInner->mListenerManager) { >- currentInner->mListenerManager->RemoveAllListeners(PR_FALSE); >- currentInner->mListenerManager = nsnull; >- } >- >- JSContext *cx = (JSContext *)mContext->GetNativeContext(); >- >- // XXXjst: We shouldn't need to do this, but if we don't we leak >- // the world... actually, even with this we leak the >- // world... need to figure this out. >- if (currentInner->mJSObject) { >- ::JS_ClearScope(cx, currentInner->mJSObject); >- ::JS_ClearWatchPointsForObject(cx, currentInner->mJSObject); >- >- if (currentInner->mDocument) { >- nsCOMPtr<nsIDocument> doc = >- do_QueryInterface(currentInner->mDocument); > >- // Remember the document's principal. >- currentInner->mDocumentPrincipal = doc->GetPrincipal(); >- } >- >- // Release the current inner window's document reference >- // through the global scope polluter. >- nsWindowSH::InvalidateGlobalScopePolluter(cx, currentInner->mJSObject); >- } >- >- // Release the current inner window's document references. >- currentInner->mDocument = nsnull; >+ if (currentInner) { >+ currentInner->FreeInnerObjects(cx); > > nsCOMPtr<nsIDocument> doc = > do_QueryInterface(mDocument); > > // Remember the document's principal. > mDocumentPrincipal = doc->GetPrincipal(); > > // Release our document reference > mDocument = nsnull; > >@@ -999,22 +1153,20 @@ nsGlobalWindow::SetDocShell(nsIDocShell* > ::JS_ClearScope(cx, mJSObject); > ::JS_ClearWatchPointsForObject(cx, mJSObject); > > // An outer window shouldn't have a global scope polluter, but > // in case code on a webpage took one and put it in an outer > // object's prototype, we need to invalidate it nonetheless. > nsWindowSH::InvalidateGlobalScopePolluter(cx, mJSObject); > } > > ::JS_ClearRegExpStatics(cx); >- >- currentInner->mChromeEventHandler = nsnull; > } > > // if we are closing the window while in full screen mode, be sure > // to restore os chrome > if (mFullScreen) { > nsIFocusController *focusController = > nsGlobalWindow::GetRootFocusController(); > PRBool isActive = PR_FALSE; > focusController->GetActive(&isActive); > // only restore OS chrome if the closing window was active >@@ -1044,22 +1196,22 @@ nsGlobalWindow::SetDocShell(nsIDocShell* > mContext->GC(); > > if (mContext) { > mContext->SetOwner(nsnull); > mContext = nsnull; // force release now > } > } > > mDocShell = aDocShell; // Weak Reference > >- if (mLocation) >- mLocation->SetDocShell(aDocShell); >+ NS_ASSERTION(!mLocation, "Uh, outer window has location object!"); >+ > if (mNavigator) > mNavigator->SetDocShell(aDocShell); > if (mHistory) > mHistory->SetDocShell(aDocShell); > if (mFrames) > mFrames->SetDocShell(aDocShell); > if (mScreen) > mScreen->SetDocShell(aDocShell); > > if (mDocShell) { >@@ -4911,26 +5063,26 @@ nsGlobalWindow::GetPrivateRoot() > } > > return NS_STATIC_CAST(nsGlobalWindow *, > NS_STATIC_CAST(nsIDOMWindow *, parent)); > } > > > NS_IMETHODIMP > nsGlobalWindow::GetLocation(nsIDOMLocation ** aLocation) > { >- FORWARD_TO_OUTER(GetLocation, (aLocation), NS_ERROR_NOT_INITIALIZED); >+ FORWARD_TO_INNER(GetLocation, (aLocation), NS_ERROR_NOT_INITIALIZED); > > *aLocation = nsnull; > >- if (!mLocation && mDocShell) { >- mLocation = new nsLocation(mDocShell); >+ if (!mLocation && GetDocShellInternal()) { >+ mLocation = new nsLocation(GetDocShellInternal()); > if (!mLocation) { > return NS_ERROR_OUT_OF_MEMORY; > } > } > > NS_IF_ADDREF(*aLocation = mLocation); > > return NS_OK; > } > >@@ -6434,317 +6586,97 @@ nsGlobalWindow::EnsureSizeUpToDate() > // If we're a subframe, make sure our size is up to date. It's OK that this > // crosses the content/chrome boundary, since chrome can have pending reflows > // too. > nsGlobalWindow *parent = > NS_STATIC_CAST(nsGlobalWindow *, GetPrivateParent()); > if (parent) { > parent->FlushPendingNotifications(Flush_Layout); > } > } > >-#define WINDOWSTATEHOLDER_IID \ >-{0xae1c7401, 0xcdee, 0x404a, {0xbd, 0x63, 0x05, 0xc0, 0x35, 0x0d, 0xa7, 0x72}} >- >-class WindowStateHolder : public nsISupports >-{ >-public: >- NS_DEFINE_STATIC_IID_ACCESSOR(WINDOWSTATEHOLDER_IID) >- NS_DECL_ISUPPORTS >- >- WindowStateHolder(JSContext *cx, // The JSContext for the window >- JSObject *aObject, // An object to save the properties onto >- nsGlobalWindow *aWindow); // The window to operate on >- >- // This is the property store object that holds the window properties. >- JSObject* GetObject() { return mJSObj; } >- >- // Get the listener manager, which holds all event handlers for the window. >- nsIEventListenerManager* GetListenerManager() { return mListenerManager; } >- >- // Get the saved value of the mMutationBits field. >- PRUint32 GetMutationBits() { return mMutationBits; } >- >- // Get the contents of focus memory when the state was saved >- // (if the focus was inside of this window). >- nsIDOMElement* GetFocusedElement() { return mFocusedElement; } >- nsIDOMWindowInternal* GetFocusedWindow() { return mFocusedWindow; } >- >- // Manage the list of saved timeouts for the window. >- nsTimeout* GetSavedTimeouts() { return mSavedTimeouts; } >- nsTimeout** GetTimeoutInsertionPoint() { return mTimeoutInsertionPoint; } >- void ClearSavedTimeouts() { mSavedTimeouts = nsnull; } >- >-protected: >- ~WindowStateHolder(); >- >- JSRuntime *mRuntime; >- JSObject *mJSObj; >- nsCOMPtr<nsIEventListenerManager> mListenerManager; >- nsCOMPtr<nsIDOMElement> mFocusedElement; >- nsCOMPtr<nsIDOMWindowInternal> mFocusedWindow; >- nsTimeout *mSavedTimeouts; >- nsTimeout **mTimeoutInsertionPoint; >- PRUint32 mMutationBits; >-}; >- >-WindowStateHolder::WindowStateHolder(JSContext *cx, JSObject *aObject, >- nsGlobalWindow *aWindow) >- : mRuntime(::JS_GetRuntime(cx)), mJSObj(aObject) >-{ >- NS_ASSERTION(aWindow, "null window"); >- >- // Prevent mJSObj from being gc'd for the lifetime of this object. >- ::JS_AddNamedRoot(cx, &mJSObj, "WindowStateHolder::mJSObj"); >- >- aWindow->GetListenerManager(getter_AddRefs(mListenerManager)); >- mMutationBits = aWindow->mMutationBits; >- >- // Clear the window's EventListenerManager pointer so that it can't have >- // listeners removed from it later. >- aWindow->mListenerManager = nsnull; >- >- nsIFocusController *fc = aWindow->GetRootFocusController(); >- NS_ASSERTION(fc, "null focus controller"); >- >- // We want to save the focused element/window only if they are inside of >- // this window. >- >- nsCOMPtr<nsIDOMWindowInternal> focusWinInternal; >- fc->GetFocusedWindow(getter_AddRefs(focusWinInternal)); >- >- nsCOMPtr<nsPIDOMWindow> focusedWindow = do_QueryInterface(focusWinInternal); >- >- // The outer window is used for focus purposes, so make sure that's what >- // we're looking for. >- nsPIDOMWindow *targetWindow = aWindow->GetOuterWindow(); >- >- while (focusedWindow) { >- if (focusedWindow == targetWindow) { >- fc->GetFocusedWindow(getter_AddRefs(mFocusedWindow)); >- fc->GetFocusedElement(getter_AddRefs(mFocusedElement)); >- break; >- } >- >- focusedWindow = >- NS_STATIC_CAST(nsGlobalWindow*, >- NS_STATIC_CAST(nsPIDOMWindow*, >- focusedWindow))->GetPrivateParent(); >- } >- >- aWindow->SuspendTimeouts(); >- >- // Clear the timeout list for aWindow (but we don't need to for children) >- mSavedTimeouts = aWindow->mTimeouts; >- mTimeoutInsertionPoint = aWindow->mTimeoutInsertionPoint; >- >- aWindow->mTimeouts = nsnull; >- aWindow->mTimeoutInsertionPoint = &aWindow->mTimeouts; >-} >- >-WindowStateHolder::~WindowStateHolder() >-{ >- // Release the timeouts, if we still have any. >- nsTimeout *timeout = mSavedTimeouts; >- while (timeout) { >- nsTimeout *next = timeout->mNext; >- NS_ASSERTION(!timeout->mTimer, "live timer in a saved window state"); >- timeout->Release(nsnull); >- timeout = next; >- } >- >- ::JS_RemoveRootRT(mRuntime, &mJSObj); >-} >- >-NS_IMPL_ISUPPORTS1(WindowStateHolder, WindowStateHolder) >- >-static JSClass sWindowStateClass = { >- "window state", 0, >- JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, JS_PropertyStub, >- JS_EnumerateStub, JS_ResolveStub, JS_ConvertStub, JS_FinalizeStub, >- JSCLASS_NO_OPTIONAL_MEMBERS >-}; >- >-static nsresult >-CopyJSPropertyArray(JSContext *cx, JSObject *aSource, JSObject *aDest, >- JSIdArray *props) >-{ >- jsint length = props->length; >- for (jsint i = 0; i < length; ++i) { >- jsval propname_value; >- >- if (!::JS_IdToValue(cx, props->vector[i], &propname_value) || >- !JSVAL_IS_STRING(propname_value)) { >- NS_WARNING("Failed to copy non-string-named window property"); >- return NS_ERROR_FAILURE; >- } >- >- JSString *propname = JSVAL_TO_STRING(propname_value); >- jschar *propname_str = ::JS_GetStringChars(propname); >- NS_ENSURE_TRUE(propname_str, NS_ERROR_FAILURE); >- >- // We exclude the "location" property because restoring it this way is >- // problematic. It will "just work" without us explicitly saving or >- // restoring the value. >- >- if (!nsCRT::strcmp(NS_REINTERPRET_CAST(PRUnichar*, propname_str), >- NS_LITERAL_STRING("location").get())) { >- continue; >- } >- >- size_t propname_len = ::JS_GetStringLength(propname); >- >- JSPropertyOp getter, setter; >- uintN attrs; >- JSBool found; >- if (!::JS_GetUCPropertyAttrsGetterAndSetter(cx, aSource, propname_str, >- propname_len, &attrs, &found, >- &getter, &setter)) >- return NS_ERROR_FAILURE; >- >- NS_ENSURE_TRUE(found, NS_ERROR_UNEXPECTED); >- >- jsval propvalue; >- if (!::JS_LookupUCProperty(cx, aSource, propname_str, >- propname_len, &propvalue)) >- return NS_ERROR_FAILURE; >- >- PRBool res = ::JS_DefineUCProperty(cx, aDest, propname_str, propname_len, >- propvalue, getter, setter, attrs); >-#ifdef DEBUG_PAGE_CACHE >- if (res) >- printf("Copied window property: %s\n", >- NS_ConvertUTF16toUTF8(NS_REINTERPRET_CAST(PRUnichar*, >- propname_str)).get()); >-#endif >- >- if (!res) { >-#ifdef DEBUG >- printf("failed to copy property: %s\n", >- NS_ConvertUTF16toUTF8(NS_REINTERPRET_CAST(PRUnichar*, >- propname_str)).get()); >-#endif >- return NS_ERROR_FAILURE; >- } >- } >- >- return NS_OK; >-} >- >-static nsresult >-CopyJSProperties(JSContext *cx, JSObject *aSource, JSObject *aDest) >-{ >- // Enumerate all of the properties on aSource and install them on aDest. >- >- JSIdArray *props = ::JS_Enumerate(cx, aSource); >- if (props) { >- props = ::JS_EnumerateResolvedStandardClasses(cx, aSource, props); >- } >- if (!props) { >-#ifdef DEBUG_PAGE_CACHE >- printf("failed to enumerate JS properties\n"); >-#endif >- return NS_ERROR_FAILURE; >- } >- >-#ifdef DEBUG_PAGE_CACHE >- printf("props length = %d\n", props->length); >-#endif >- >- nsresult rv = CopyJSPropertyArray(cx, aSource, aDest, props); >- ::JS_DestroyIdArray(cx, props); >- return rv; >-} >- > nsresult > nsGlobalWindow::SaveWindowState(nsISupports **aState) > { >+ NS_PRECONDITION(IsOuterWindow(), "Can't save the inner window's state"); >+ > *aState = nsnull; > >- if (IsOuterWindow() && (!mContext || !mJSObject)) { >+ if (!mContext || !mJSObject) { > // The window may be getting torn down; don't bother saving state. > return NS_OK; > } > >- FORWARD_TO_INNER(SaveWindowState, (aState), NS_ERROR_NOT_INITIALIZED); >- >- JSContext *cx = NS_STATIC_CAST(JSContext*, >- GetContextInternal()->GetNativeContext()); >- NS_ENSURE_TRUE(cx, NS_ERROR_FAILURE); >- >- JSObject *stateObj = ::JS_NewObject(cx, &sWindowStateClass, NULL, NULL); >- NS_ENSURE_TRUE(stateObj, NS_ERROR_OUT_OF_MEMORY); >+ nsGlobalWindow *inner = GetCurrentInnerWindowInternal(); >+ NS_ASSERTION(inner, "No inner window to save"); > >- // The window state object will root the JSObject. >- nsCOMPtr<nsISupports> state = new WindowStateHolder(cx, stateObj, this); >+ nsCOMPtr<nsISupports> state = new WindowStateHolder(inner, >+ mInnerWindowHolder, >+ mNavigator); > NS_ENSURE_TRUE(state, NS_ERROR_OUT_OF_MEMORY); > > #ifdef DEBUG_PAGE_CACHE > printf("saving window state, stateObj = %p\n", (void*)stateObj); > #endif >- nsresult rv = CopyJSProperties(cx, mJSObject, stateObj); >- NS_ENSURE_SUCCESS(rv, rv); >+ >+ if (inner->mLocation) { >+ // Invalidate the inner window's location object now that the inner window >+ // is being put into the bfcache. We need to do this to prevent people from >+ // holding on to an old inner window's location object somehow and tracking >+ // the location of the docshell. The docshell is restored when the window is >+ // taken out of the bfcache (meaning that any stale references to it will >+ // only see that particular document). >+ inner->mLocation->SetDocShell(nsnull); >+ } >+ >+ // Don't do anything else to this inner window! >+ inner->Freeze(); > > state.swap(*aState); > return NS_OK; > } > > nsresult > nsGlobalWindow::RestoreWindowState(nsISupports *aState) > { >- // SetNewDocument() has already been called so we should have a >- // new clean inner window to restore state into here. >+ NS_ASSERTION(IsOuterWindow(), "Cannot restore an inner window"); > >- if (IsOuterWindow() && (!mContext || !mJSObject)) { >+ if (!mContext || !mJSObject) { > // The window may be getting torn down; don't bother restoring state. > return NS_OK; > } > >- FORWARD_TO_INNER(RestoreWindowState, (aState), NS_ERROR_NOT_INITIALIZED); >- >- JSContext *cx = NS_STATIC_CAST(JSContext*, >- GetContextInternal()->GetNativeContext()); >- NS_ENSURE_TRUE(cx, NS_ERROR_FAILURE); >- >- // Note that we don't need to call JS_ClearScope here. The scope is already >- // cleared by SetNewDocument(), and calling it again here would remove the >- // XPConnect properties. >- > nsCOMPtr<WindowStateHolder> holder = do_QueryInterface(aState); > NS_ENSURE_TRUE(holder, NS_ERROR_FAILURE); > > #ifdef DEBUG_PAGE_CACHE > printf("restoring window state, stateObj = %p\n", (void*)holder->GetObject()); > #endif >- nsresult rv = CopyJSProperties(cx, holder->GetObject(), mJSObject); >- NS_ENSURE_SUCCESS(rv, rv); > >- mListenerManager = holder->GetListenerManager(); >- mMutationBits = holder->GetMutationBits(); >+ nsGlobalWindow *inner = GetCurrentInnerWindowInternal(); > > nsIDOMElement *focusedElement = holder->GetFocusedElement(); > nsIDOMWindowInternal *focusedWindow = holder->GetFocusedWindow(); > > // If the toplevel window isn't focused, just update the focus controller. > nsIFocusController *fc = nsGlobalWindow::GetRootFocusController(); > NS_ENSURE_TRUE(fc, NS_ERROR_UNEXPECTED); > > PRBool active; > fc->GetActive(&active); > if (active) { > PRBool didFocusContent = PR_FALSE; > nsCOMPtr<nsIContent> focusedContent = do_QueryInterface(focusedElement); > > if (focusedContent) { > // We don't bother checking whether the element or frame is focusable. > // If it was focusable when we stored the presentation, it must be > // focusable now. >- PRBool didFocusContent = PR_FALSE; > nsIDocument *doc = focusedContent->GetCurrentDoc(); > if (doc) { > nsIPresShell *shell = doc->GetShellAt(0); > if (shell) { > nsPresContext *pc = shell->GetPresContext(); > if (pc) { > pc->EventStateManager()->SetContentState(focusedContent, > NS_EVENT_STATE_FOCUS); > didFocusContent = PR_TRUE; > } >@@ -6753,30 +6685,29 @@ nsGlobalWindow::RestoreWindowState(nsISu > } > > if (!didFocusContent && focusedWindow) > focusedWindow->Focus(); > } else if (focusedWindow) { > // Just update the saved focus memory. > fc->SetFocusedWindow(focusedWindow); > fc->SetFocusedElement(focusedElement); > } > >- mTimeouts = holder->GetSavedTimeouts(); >- mTimeoutInsertionPoint = holder->GetTimeoutInsertionPoint(); >+ // And we're ready to go! >+ inner->Thaw(); > >- holder->ClearSavedTimeouts(); >+ if (inner->mLocation) >+ inner->mLocation->SetDocShell(mDocShell); > >- // If our state is being restored from history, we won't be getting an onload >- // event. Make sure we're marked as being completely loaded. >- mIsDocumentLoaded = PR_TRUE; >+ holder->DidRestoreWindow(); > >- return ResumeTimeouts(); >+ return inner->ResumeTimeouts(); > } > > void > nsGlobalWindow::SuspendTimeouts() > { > FORWARD_TO_INNER_VOID(SuspendTimeouts, ()); > > nsInt64 now = PR_IntervalNow(); > for (nsTimeout *t = mTimeouts; t; t = t->mNext) { > // Change mWhen to be the time remaining for this timer. >Index: dom/src/base/nsGlobalWindow.h >=================================================================== >RCS file: /cvsroot/mozilla/dom/src/base/nsGlobalWindow.h,v >retrieving revision 1.252 >diff -p -U10 -r1.252 nsGlobalWindow.h >--- dom/src/base/nsGlobalWindow.h 13 Aug 2005 03:54:29 -0000 1.252 >+++ dom/src/base/nsGlobalWindow.h 13 Aug 2005 23:14:50 -0000 >@@ -1,11 +1,12 @@ > /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ >+/* vim: set ts=2 sw=2 et tw=80: */ > /* ***** BEGIN LICENSE BLOCK ***** > * Version: MPL 1.1/GPL 2.0/LGPL 2.1 > * > * The contents of this file are subject to the Mozilla Public License Version > * 1.1 (the "License"); you may not use this file except in compliance with > * the License. You may obtain a copy of the License at > * http://www.mozilla.org/MPL/ > * > * Software distributed under the License is distributed on an "AS IS" basis, > * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License >@@ -146,20 +147,21 @@ public: > // callback for close event > void ReallyCloseWindow(); > > // nsISupports > NS_DECL_ISUPPORTS > > // nsIScriptGlobalObject > virtual void SetContext(nsIScriptContext *aContext); > virtual nsIScriptContext *GetContext(); > virtual nsresult SetNewDocument(nsIDOMDocument *aDocument, >+ nsISupports *aState, > PRBool aRemoveEventListeners, > PRBool aClearScopeHint); > virtual void SetDocShell(nsIDocShell* aDocShell); > virtual nsIDocShell *GetDocShell(); > virtual void SetOpenerWindow(nsIDOMWindowInternal *aOpener); > virtual void SetGlobalObjectOwner(nsIScriptGlobalObjectOwner* aOwner); > virtual nsIScriptGlobalObjectOwner *GetGlobalObjectOwner(); > virtual nsresult HandleDOMEvent(nsPresContext* aPresContext, > nsEvent* aEvent, nsIDOMEvent** aDOMEvent, > PRUint32 aFlags, >@@ -270,21 +272,24 @@ public: > static PRBool IsCallerChrome(); > > friend class WindowStateHolder; > > protected: > // Object Management > virtual ~nsGlobalWindow(); > void CleanUp(); > void ClearControllers(); > >+ void FreeInnerObjects(JSContext *cx); >+ > nsresult SetNewDocument(nsIDOMDocument *aDocument, >+ nsISupports *aState, > PRBool aRemoveEventListeners, > PRBool aClearScopeHint, > PRBool aIsInternalCall); > > // Get the parent, returns null if this is a toplevel window > nsIDOMWindowInternal *GetParentInternal(); > > // popup tracking > PRBool IsPopupSpamWindow() > { >@@ -375,20 +380,39 @@ protected: > > PRBool DispatchCustomEvent(const char *aEventName); > > PRBool WindowExists(const nsAString& aName); > > already_AddRefed<nsIWidget> GetMainWidget(); > > void SuspendTimeouts(); > nsresult ResumeTimeouts(); > >+ void Freeze() >+ { >+ NS_ASSERTION(IsInnerWindow(), "Freeze called on an outer window"); >+ mIsFrozen = PR_TRUE; >+ } >+ >+ void Thaw() >+ { >+ NS_ASSERTION(IsInnerWindow(), "Freeze called on an outer window"); >+ mIsFrozen = PR_FALSE; >+ } >+ >+ PRBool IsFrozen() const >+ { >+ NS_ASSERTION(IsInnerWindow(), >+ "Why do you care if an outer window is frozen?"); >+ return mIsFrozen; >+ } >+ > // When adding new member variables, be careful not to create cycles > // through JavaScript. If there is any chance that a member variable > // could own objects that are implemented in JavaScript, then those > // objects will keep the global object (this object) alive. To prevent > // these cycles, ownership of such members must be released in > // |CleanUp| and |SetDocShell|. > > // These members are only used on outer window objects. Make sure > // you never set any of these on an inner object! > PRPackedBool mFullScreen; >@@ -398,21 +422,20 @@ protected: > PRPackedBool mIsPopupSpam; > > nsCOMPtr<nsIScriptContext> mContext; > nsCOMPtr<nsIDOMWindowInternal> mOpener; > nsCOMPtr<nsIControllers> mControllers; > JSObject* mArguments; > nsRefPtr<nsNavigator> mNavigator; > nsRefPtr<nsScreen> mScreen; > nsRefPtr<nsHistory> mHistory; > nsRefPtr<nsDOMWindowList> mFrames; >- nsRefPtr<nsLocation> mLocation; > nsRefPtr<nsBarProp> mMenubar; > nsRefPtr<nsBarProp> mToolbar; > nsRefPtr<nsBarProp> mLocationbar; > nsRefPtr<nsBarProp> mPersonalbar; > nsRefPtr<nsBarProp> mStatusbar; > nsRefPtr<nsBarProp> mScrollbars; > nsCOMPtr<nsIWeakReference> mWindowUtils; > nsString mStatus; > nsString mDefaultStatus; > >@@ -422,20 +445,22 @@ protected: > nsCOMPtr<nsIDOMPkcs11> mPkcs11; > > nsCOMPtr<nsIXPConnectJSObjectHolder> mInnerWindowHolder; > > // These member variable are used only on inner windows. > nsCOMPtr<nsIEventListenerManager> mListenerManager; > nsTimeout* mTimeouts; > nsTimeout** mTimeoutInsertionPoint; > PRUint32 mTimeoutPublicIdCounter; > PRUint32 mTimeoutFiringDepth; >+ nsRefPtr<nsLocation> mLocation; >+ PRPackedBool mIsFrozen; > > // These member variables are used on both inner and the outer windows. > nsCOMPtr<nsIPrincipal> mDocumentPrincipal; > JSObject* mJSObject; > > friend class nsDOMScriptableHelper; > friend class nsDOMWindowUtils; > static nsIScriptSecurityManager *sSecMan; > static nsIFactory *sComputedDOMStyleFactory; > }; >Index: layout/base/nsDocumentViewer.cpp >=================================================================== >RCS file: /cvsroot/mozilla/layout/base/nsDocumentViewer.cpp,v >retrieving revision 1.444 >diff -p -U10 -r1.444 nsDocumentViewer.cpp >--- layout/base/nsDocumentViewer.cpp 13 Aug 2005 03:54:29 -0000 1.444 >+++ layout/base/nsDocumentViewer.cpp 13 Aug 2005 23:14:57 -0000 >@@ -1,11 +1,12 @@ > /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ >+/* vim: set ts=2 sw=2 et tw=80: */ > /* ***** BEGIN LICENSE BLOCK ***** > * Version: MPL 1.1/GPL 2.0/LGPL 2.1 > * > * The contents of this file are subject to the Mozilla Public License Version > * 1.1 (the "License"); you may not use this file except in compliance with > * the License. You may obtain a copy of the License at > * http://www.mozilla.org/MPL/ > * > * Software distributed under the License is distributed on an "AS IS" basis, > * WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License >@@ -347,20 +348,21 @@ public: > // nsIDocumentViewerPrint Printing Methods > NS_DECL_NSIDOCUMENTVIEWERPRINT > > protected: > virtual ~DocumentViewerImpl(); > > private: > nsresult MakeWindow(nsIWidget* aParentWidget, > const nsRect& aBounds); > nsresult InitInternal(nsIWidget* aParentWidget, >+ nsISupports *aState, > nsIDeviceContext* aDeviceContext, > const nsRect& aBounds, > PRBool aDoCreation, > PRBool aInPrintPreview); > nsresult InitPresentationStuff(PRBool aDoInitialReflow); > > nsresult GetPopupNode(nsIDOMNode** aNode); > nsresult GetPopupLinkNode(nsIDOMNode** aNode); > nsresult GetPopupImageNode(nsIImageLoadingContent** aNode); > >@@ -620,21 +622,21 @@ DocumentViewerImpl::GetContainer(nsISupp > nsCOMPtr<nsISupports> container = do_QueryReferent(mContainer); > container.swap(*aResult); > return NS_OK; > } > > NS_IMETHODIMP > DocumentViewerImpl::Init(nsIWidget* aParentWidget, > nsIDeviceContext* aDeviceContext, > const nsRect& aBounds) > { >- return InitInternal(aParentWidget, aDeviceContext, aBounds, PR_TRUE, PR_FALSE); >+ return InitInternal(aParentWidget, nsnull, aDeviceContext, aBounds, PR_TRUE, PR_FALSE); > } > > nsresult > DocumentViewerImpl::InitPresentationStuff(PRBool aDoInitialReflow) > { > // Create the style set... > nsStyleSet *styleSet; > nsresult rv = CreateStyleSet(mDocument, &styleSet); > NS_ENSURE_SUCCESS(rv, rv); > >@@ -758,20 +760,21 @@ DocumentViewerImpl::InitPresentationStuf > > return NS_OK; > } > > //----------------------------------------------- > // This method can be used to initial the "presentation" > // The aDoCreation indicates whether it should create > // all the new objects or just initialize the existing ones > nsresult > DocumentViewerImpl::InitInternal(nsIWidget* aParentWidget, >+ nsISupports *aState, > nsIDeviceContext* aDeviceContext, > const nsRect& aBounds, > PRBool aDoCreation, > PRBool aInPrintPreview) > { > mParentWidget = aParentWidget; // not ref counted > > nsresult rv = NS_OK; > NS_ENSURE_TRUE(mDocument, NS_ERROR_NULL_POINTER); > >@@ -836,21 +839,21 @@ DocumentViewerImpl::InitInternal(nsIWidg > // Set script-context-owner in the document > > nsCOMPtr<nsIScriptGlobalObject> global; > requestor->GetInterface(NS_GET_IID(nsIScriptGlobalObject), > getter_AddRefs(global)); > > if (global) { > nsCOMPtr<nsIDOMDocument> domdoc(do_QueryInterface(mDocument)); > > if (domdoc) { >- global->SetNewDocument(domdoc, PR_TRUE, PR_TRUE); >+ global->SetNewDocument(domdoc, aState, PR_TRUE, PR_TRUE); > } > } > } > } > > if (aDoCreation && mPresContext) { > // The ViewManager and Root View was created above (in > // MakeWindow())... > > rv = InitPresentationStuff(!makeCX); >@@ -1196,34 +1199,34 @@ DocumentViewerImpl::PageHide(PRBool aIsU > > // Never permit popups from the unload handler, no matter how we get > // here. > nsAutoPopupStatePusher popupStatePusher(openAbused, PR_TRUE); > > return global->HandleDOMEvent(mPresContext, &event, nsnull, > NS_EVENT_FLAG_INIT, &status); > } > > NS_IMETHODIMP >-DocumentViewerImpl::Open() >+DocumentViewerImpl::Open(nsISupports *aState) > { > NS_ENSURE_TRUE(mPresShell, NS_ERROR_NOT_INITIALIZED); > > // Our container might have gone away while we were closed. > // If this is the case, we must fail to open so we don't crash. > nsCOMPtr<nsISupports> container = do_QueryReferent(mContainer); > if (!container) > return NS_ERROR_NOT_AVAILABLE; > > nsRect bounds; > mWindow->GetBounds(bounds); > >- nsresult rv = InitInternal(mParentWidget, mDeviceContext, bounds, >+ nsresult rv = InitInternal(mParentWidget, aState, mDeviceContext, bounds, > PR_FALSE, PR_FALSE); > NS_ENSURE_SUCCESS(rv, rv); > > if (mDocument) > mDocument->SetContainer(nsCOMPtr<nsISupports>(do_QueryReferent(mContainer))); > > SyncParentSubDocMap(); > > // XXX re-enable image animations once that works correctly > >@@ -1503,21 +1506,21 @@ DocumentViewerImpl::SetDOMDocument(nsIDO > newDoc->SetContainer(container); > > if (mDocument != newDoc) { > // Replace the old document with the new one. Do this only when > // the new document really is a new document. > mDocument = newDoc; > > // Set the script global object on the new document > nsCOMPtr<nsIScriptGlobalObject> global = do_GetInterface(container); > if (global) { >- global->SetNewDocument(aDocument, PR_TRUE, PR_TRUE); >+ global->SetNewDocument(aDocument, nsnull, PR_TRUE, PR_TRUE); > } > } > > rv = SyncParentSubDocMap(); > NS_ENSURE_SUCCESS(rv, rv); > > // Replace the current pres shell with a new shell for the new document > > nsCOMPtr<nsILinkHandler> linkHandler; > if (mPresShell) { >@@ -3929,21 +3932,21 @@ DocumentViewerImpl::ReturnToGalleyPresen > if (mPrintEngine) { > // Very important! Turn On scripting > mPrintEngine->TurnScriptingOn(PR_TRUE); > > if (wasCached) { > mPrintEngine->Destroy(); > NS_RELEASE(mPrintEngine); > } > } > >- InitInternal(mParentWidget, mDeviceContext, bounds, !wasCached, PR_TRUE); >+ InitInternal(mParentWidget, nsnull, mDeviceContext, bounds, !wasCached, PR_TRUE); > > if (mPrintEngine && !wasCached) { > mPrintEngine->Destroy(); > NS_RELEASE(mPrintEngine); > } > > // this needs to be set here not earlier, > // because it is needing when re-constructing the Galley Mode) > SetIsPrintPreview(PR_FALSE); > >Index: layout/base/nsIDocumentViewer.h >=================================================================== >RCS file: /cvsroot/mozilla/layout/base/nsIDocumentViewer.h,v >retrieving revision 1.16 >diff -p -U10 -r1.16 nsIDocumentViewer.h >--- layout/base/nsIDocumentViewer.h 13 Aug 2005 03:54:29 -0000 1.16 >+++ layout/base/nsIDocumentViewer.h 13 Aug 2005 23:14:57 -0000 >@@ -38,21 +38,21 @@ > #define nsIDocumentViewer_h___ > > #include "nsIContentViewer.h" > > class nsIDocument; > class nsPresContext; > class nsIPresShell; > class nsIStyleSheet; > > #define NS_IDOCUMENT_VIEWER_IID \ >- { 0xbd4fde0c, 0x71fd, 0x4d77,{0xab, 0x66, 0x26, 0xce, 0x43, 0x93, 0x2e, 0x4e}} >+ { 0x42ecec88, 0x80d5, 0x48ac,{0x9a, 0xcd, 0x12, 0x51, 0xdc, 0x42, 0x60, 0x4a}} > > /** > * A document viewer is a kind of content viewer that uses NGLayout > * to manage the presentation of the content. > */ > class nsIDocumentViewer : public nsIContentViewer > { > public: > NS_DEFINE_STATIC_IID_ACCESSOR(NS_IDOCUMENT_VIEWER_IID) >
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bryner
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jst
: superreview+
asa
: approval1.8b4+
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