2337 lines
76 KiB
C++
2337 lines
76 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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//#define USEWEAKREFS // (haven't quite figured that out yet)
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#include "nsWindowWatcher.h"
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#include "nsAutoWindowStateHelper.h"
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#include "nsCRT.h"
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#include "nsNetUtil.h"
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#include "nsIAuthPrompt.h"
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#include "nsIAuthPrompt2.h"
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#include "nsISimpleEnumerator.h"
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#include "nsIInterfaceRequestorUtils.h"
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#include "nsJSUtils.h"
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#include "plstr.h"
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#include "nsGlobalWindow.h"
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#include "nsIBaseWindow.h"
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#include "nsIBrowserDOMWindow.h"
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#include "nsIDocShell.h"
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#include "nsIDocShellLoadInfo.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIDocumentLoader.h"
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#include "nsIDocument.h"
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#include "nsIDOMDocument.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMChromeWindow.h"
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#include "nsIDOMModalContentWindow.h"
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#include "nsIPrompt.h"
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#include "nsIScriptObjectPrincipal.h"
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#include "nsIScreen.h"
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#include "nsIScreenManager.h"
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#include "nsIScriptContext.h"
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#include "nsIObserverService.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsXPCOM.h"
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#include "nsIURI.h"
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#include "nsIWebBrowser.h"
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#include "nsIWebBrowserChrome.h"
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#include "nsIWebNavigation.h"
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#include "nsIWindowCreator.h"
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#include "nsIWindowCreator2.h"
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#include "nsIXPConnect.h"
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#include "nsIXULRuntime.h"
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#include "nsPIDOMWindow.h"
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#include "nsIContentViewer.h"
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#include "nsIWindowProvider.h"
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#include "nsIMutableArray.h"
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#include "nsISupportsArray.h"
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#include "nsIDOMStorageManager.h"
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#include "nsIWidget.h"
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#include "nsFocusManager.h"
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#include "nsIPresShell.h"
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#include "nsPresContext.h"
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#include "nsContentUtils.h"
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#include "nsIPrefBranch.h"
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#include "nsIPrefService.h"
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#include "nsSandboxFlags.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/dom/DOMStorage.h"
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#include "mozilla/dom/ScriptSettings.h"
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#ifdef USEWEAKREFS
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#include "nsIWeakReference.h"
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#endif
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using namespace mozilla;
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using namespace mozilla::dom;
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/****************************************************************
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******************** nsWatcherWindowEntry **********************
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****************************************************************/
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class nsWindowWatcher;
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struct nsWatcherWindowEntry
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{
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nsWatcherWindowEntry(nsIDOMWindow* aWindow, nsIWebBrowserChrome* aChrome)
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{
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#ifdef USEWEAKREFS
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mWindow = do_GetWeakReference(aWindow);
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#else
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mWindow = aWindow;
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#endif
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nsCOMPtr<nsISupportsWeakReference> supportsweak(do_QueryInterface(aChrome));
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if (supportsweak) {
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supportsweak->GetWeakReference(getter_AddRefs(mChromeWeak));
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} else {
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mChrome = aChrome;
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mChromeWeak = 0;
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}
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ReferenceSelf();
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}
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~nsWatcherWindowEntry() {}
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void InsertAfter(nsWatcherWindowEntry* aOlder);
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void Unlink();
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void ReferenceSelf();
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#ifdef USEWEAKREFS
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nsCOMPtr<nsIWeakReference> mWindow;
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#else // still not an owning ref
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nsIDOMWindow* mWindow;
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#endif
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nsIWebBrowserChrome* mChrome;
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nsWeakPtr mChromeWeak;
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// each struct is in a circular, doubly-linked list
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nsWatcherWindowEntry* mYounger; // next younger in sequence
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nsWatcherWindowEntry* mOlder;
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};
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void
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nsWatcherWindowEntry::InsertAfter(nsWatcherWindowEntry* aOlder)
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{
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if (aOlder) {
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mOlder = aOlder;
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mYounger = aOlder->mYounger;
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mOlder->mYounger = this;
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if (mOlder->mOlder == mOlder) {
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mOlder->mOlder = this;
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}
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mYounger->mOlder = this;
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if (mYounger->mYounger == mYounger) {
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mYounger->mYounger = this;
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}
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}
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}
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void
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nsWatcherWindowEntry::Unlink()
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{
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mOlder->mYounger = mYounger;
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mYounger->mOlder = mOlder;
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ReferenceSelf();
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}
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void
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nsWatcherWindowEntry::ReferenceSelf()
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{
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mYounger = this;
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mOlder = this;
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}
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/****************************************************************
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****************** nsWatcherWindowEnumerator *******************
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****************************************************************/
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class nsWatcherWindowEnumerator : public nsISimpleEnumerator
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{
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public:
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explicit nsWatcherWindowEnumerator(nsWindowWatcher* aWatcher);
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NS_IMETHOD HasMoreElements(bool* aResult) override;
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NS_IMETHOD GetNext(nsISupports** aResult) override;
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NS_DECL_ISUPPORTS
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protected:
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virtual ~nsWatcherWindowEnumerator();
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private:
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friend class nsWindowWatcher;
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nsWatcherWindowEntry* FindNext();
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void WindowRemoved(nsWatcherWindowEntry* aInfo);
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nsWindowWatcher* mWindowWatcher;
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nsWatcherWindowEntry* mCurrentPosition;
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};
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NS_IMPL_ADDREF(nsWatcherWindowEnumerator)
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NS_IMPL_RELEASE(nsWatcherWindowEnumerator)
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NS_IMPL_QUERY_INTERFACE(nsWatcherWindowEnumerator, nsISimpleEnumerator)
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nsWatcherWindowEnumerator::nsWatcherWindowEnumerator(nsWindowWatcher* aWatcher)
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: mWindowWatcher(aWatcher)
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, mCurrentPosition(aWatcher->mOldestWindow)
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{
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mWindowWatcher->AddEnumerator(this);
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mWindowWatcher->AddRef();
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}
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nsWatcherWindowEnumerator::~nsWatcherWindowEnumerator()
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{
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mWindowWatcher->RemoveEnumerator(this);
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mWindowWatcher->Release();
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}
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NS_IMETHODIMP
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nsWatcherWindowEnumerator::HasMoreElements(bool* aResult)
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{
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if (!aResult) {
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return NS_ERROR_INVALID_ARG;
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}
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*aResult = !!mCurrentPosition;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsWatcherWindowEnumerator::GetNext(nsISupports** aResult)
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{
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if (!aResult) {
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return NS_ERROR_INVALID_ARG;
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}
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*aResult = nullptr;
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#ifdef USEWEAKREFS
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while (mCurrentPosition) {
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CallQueryReferent(mCurrentPosition->mWindow, aResult);
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if (*aResult) {
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mCurrentPosition = FindNext();
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break;
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} else { // window is gone!
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mWindowWatcher->RemoveWindow(mCurrentPosition);
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}
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}
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NS_IF_ADDREF(*aResult);
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#else
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if (mCurrentPosition) {
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CallQueryInterface(mCurrentPosition->mWindow, aResult);
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mCurrentPosition = FindNext();
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}
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#endif
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return NS_OK;
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}
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nsWatcherWindowEntry*
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nsWatcherWindowEnumerator::FindNext()
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{
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nsWatcherWindowEntry* info;
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if (!mCurrentPosition) {
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return 0;
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}
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info = mCurrentPosition->mYounger;
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return info == mWindowWatcher->mOldestWindow ? 0 : info;
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}
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// if a window is being removed adjust the iterator's current position
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void
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nsWatcherWindowEnumerator::WindowRemoved(nsWatcherWindowEntry* aInfo)
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{
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if (mCurrentPosition == aInfo) {
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mCurrentPosition =
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mCurrentPosition != aInfo->mYounger ? aInfo->mYounger : 0;
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}
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}
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/****************************************************************
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*********************** nsWindowWatcher ************************
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****************************************************************/
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NS_IMPL_ADDREF(nsWindowWatcher)
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NS_IMPL_RELEASE(nsWindowWatcher)
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NS_IMPL_QUERY_INTERFACE(nsWindowWatcher,
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nsIWindowWatcher,
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nsIPromptFactory,
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nsPIWindowWatcher)
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nsWindowWatcher::nsWindowWatcher()
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: mEnumeratorList()
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, mOldestWindow(0)
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, mListLock("nsWindowWatcher.mListLock")
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{
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}
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nsWindowWatcher::~nsWindowWatcher()
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{
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// delete data
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while (mOldestWindow) {
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RemoveWindow(mOldestWindow);
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}
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}
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nsresult
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nsWindowWatcher::Init()
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{
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return NS_OK;
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}
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/**
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* Convert aArguments into either an nsIArray or nullptr.
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*
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* - If aArguments is nullptr, return nullptr.
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* - If aArguments is an nsArray, return nullptr if it's empty, or otherwise
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* return the array.
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* - If aArguments is an nsISupportsArray, return nullptr if it's empty, or
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* otherwise add its elements to an nsArray and return the new array.
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* - Otherwise, return an nsIArray with one element: aArguments.
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*/
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static already_AddRefed<nsIArray>
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ConvertArgsToArray(nsISupports* aArguments)
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{
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if (!aArguments) {
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return nullptr;
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}
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nsCOMPtr<nsIArray> array = do_QueryInterface(aArguments);
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if (array) {
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uint32_t argc = 0;
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array->GetLength(&argc);
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if (argc == 0) {
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return nullptr;
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}
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return array.forget();
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}
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nsCOMPtr<nsISupportsArray> supArray = do_QueryInterface(aArguments);
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if (supArray) {
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uint32_t argc = 0;
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supArray->Count(&argc);
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if (argc == 0) {
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return nullptr;
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}
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nsCOMPtr<nsIMutableArray> mutableArray =
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do_CreateInstance(NS_ARRAY_CONTRACTID);
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NS_ENSURE_TRUE(mutableArray, nullptr);
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for (uint32_t i = 0; i < argc; i++) {
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nsCOMPtr<nsISupports> elt;
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supArray->GetElementAt(i, getter_AddRefs(elt));
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nsresult rv = mutableArray->AppendElement(elt, /* aWeak = */ false);
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NS_ENSURE_SUCCESS(rv, nullptr);
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}
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return mutableArray.forget();
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}
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nsCOMPtr<nsIMutableArray> singletonArray =
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do_CreateInstance(NS_ARRAY_CONTRACTID);
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NS_ENSURE_TRUE(singletonArray, nullptr);
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nsresult rv = singletonArray->AppendElement(aArguments, /* aWeak = */ false);
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NS_ENSURE_SUCCESS(rv, nullptr);
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return singletonArray.forget();
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}
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NS_IMETHODIMP
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nsWindowWatcher::OpenWindow(nsIDOMWindow* aParent,
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const char* aUrl,
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const char* aName,
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const char* aFeatures,
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nsISupports* aArguments,
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nsIDOMWindow** aResult)
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{
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nsCOMPtr<nsIArray> argv = ConvertArgsToArray(aArguments);
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uint32_t argc = 0;
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if (argv) {
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argv->GetLength(&argc);
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}
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bool dialog = (argc != 0);
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return OpenWindowInternal(aParent, aUrl, aName, aFeatures,
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/* calledFromJS = */ false, dialog,
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/* navigate = */ true, nullptr, argv,
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/* aIsPopupSpam = */ false,
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/* aForceNoOpener = */ false,
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aResult);
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}
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struct SizeSpec
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{
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SizeSpec()
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: mLeftSpecified(false)
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, mTopSpecified(false)
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, mOuterWidthSpecified(false)
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, mOuterHeightSpecified(false)
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, mInnerWidthSpecified(false)
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, mInnerHeightSpecified(false)
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, mUseDefaultWidth(false)
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, mUseDefaultHeight(false)
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{
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}
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int32_t mLeft;
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int32_t mTop;
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int32_t mOuterWidth; // Total window width
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int32_t mOuterHeight; // Total window height
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int32_t mInnerWidth; // Content area width
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int32_t mInnerHeight; // Content area height
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bool mLeftSpecified;
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bool mTopSpecified;
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bool mOuterWidthSpecified;
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bool mOuterHeightSpecified;
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bool mInnerWidthSpecified;
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bool mInnerHeightSpecified;
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// If these booleans are true, don't look at the corresponding width values
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// even if they're specified -- they'll be bogus
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bool mUseDefaultWidth;
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bool mUseDefaultHeight;
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bool PositionSpecified() const
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{
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return mLeftSpecified || mTopSpecified;
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}
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bool SizeSpecified() const
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{
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return mOuterWidthSpecified || mOuterHeightSpecified ||
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mInnerWidthSpecified || mInnerHeightSpecified;
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}
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};
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NS_IMETHODIMP
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nsWindowWatcher::OpenWindow2(nsIDOMWindow* aParent,
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const char* aUrl,
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const char* aName,
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const char* aFeatures,
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bool aCalledFromScript,
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bool aDialog,
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bool aNavigate,
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nsITabParent* aOpeningTab,
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nsISupports* aArguments,
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bool aIsPopupSpam,
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bool aForceNoOpener,
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nsIDOMWindow** aResult)
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{
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nsCOMPtr<nsIArray> argv = ConvertArgsToArray(aArguments);
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uint32_t argc = 0;
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if (argv) {
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argv->GetLength(&argc);
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}
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// This is extremely messed up, but this behavior is necessary because
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// callers lie about whether they're a dialog window and whether they're
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// called from script. Fixing this is bug 779939.
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bool dialog = aDialog;
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if (!aCalledFromScript) {
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dialog = argc > 0;
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}
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return OpenWindowInternal(aParent, aUrl, aName, aFeatures,
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aCalledFromScript, dialog,
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aNavigate, aOpeningTab, argv,
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aIsPopupSpam,
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aForceNoOpener,
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aResult);
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}
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nsresult
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nsWindowWatcher::OpenWindowInternal(nsIDOMWindow* aParent,
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const char* aUrl,
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const char* aName,
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const char* aFeatures,
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bool aCalledFromJS,
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bool aDialog,
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bool aNavigate,
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nsITabParent* aOpeningTab,
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nsIArray* aArgv,
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bool aIsPopupSpam,
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bool aForceNoOpener,
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nsIDOMWindow** aResult)
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{
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nsresult rv = NS_OK;
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bool isNewToplevelWindow = false;
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bool windowIsNew = false;
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bool windowNeedsName = false;
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bool windowIsModal = false;
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bool uriToLoadIsChrome = false;
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bool windowIsModalContentDialog = false;
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// Opening tabs are only ever passed to OpenWindowInternal if we're opening
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// a window from a remote tab.
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bool openedFromRemoteTab = !!aOpeningTab;
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uint32_t chromeFlags;
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nsAutoString name; // string version of aName
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nsAutoCString features; // string version of aFeatures
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nsCOMPtr<nsIURI> uriToLoad; // from aUrl, if any
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nsCOMPtr<nsIDocShellTreeOwner> parentTreeOwner; // from the parent window, if any
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nsCOMPtr<nsIDocShellTreeItem> newDocShellItem; // from the new window
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nsCOMPtr<nsPIDOMWindow> parent = do_QueryInterface(aParent);
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if (parent && parent->IsInnerWindow()) {
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NS_ENSURE_STATE(parent->IsCurrentInnerWindow());
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aParent = parent->GetOuterWindow();
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}
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MOZ_ASSERT_IF(openedFromRemoteTab,
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XRE_IsParentProcess());
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NS_ENSURE_ARG_POINTER(aResult);
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*aResult = 0;
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if (!nsContentUtils::IsSafeToRunScript()) {
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nsContentUtils::WarnScriptWasIgnored(nullptr);
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return NS_ERROR_FAILURE;
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}
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GetWindowTreeOwner(aParent, getter_AddRefs(parentTreeOwner));
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// We expect TabParent to have provided us the absolute URI of the window
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// we're to open, so there's no need to call URIfromURL (or more importantly,
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// to check for a chrome URI, which cannot be opened from a remote tab).
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if (aUrl && !openedFromRemoteTab) {
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rv = URIfromURL(aUrl, aParent, getter_AddRefs(uriToLoad));
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if (NS_FAILED(rv)) {
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return rv;
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}
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uriToLoad->SchemeIs("chrome", &uriToLoadIsChrome);
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}
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bool nameSpecified = false;
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if (aName) {
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CopyUTF8toUTF16(aName, name);
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nameSpecified = true;
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} else {
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name.SetIsVoid(true);
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}
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bool featuresSpecified = false;
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if (aFeatures) {
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features.Assign(aFeatures);
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featuresSpecified = true;
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features.StripWhitespace();
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} else {
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features.SetIsVoid(true);
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}
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// We only want to check for existing named windows if:
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// a) We're the child process
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// b) We're the parent process, and aOpeningTab wasn't passed
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// in.
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// This is because when using child processes, the parent process shouldn't
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// know or care about names - unless we're opening named windows from chrome.
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if (!aOpeningTab) {
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// try to find an extant window with the given name
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nsCOMPtr<nsIDOMWindow> foundWindow =
|
|
SafeGetWindowByName(name, aForceNoOpener, aParent);
|
|
GetWindowTreeItem(foundWindow, getter_AddRefs(newDocShellItem));
|
|
}
|
|
|
|
// Do sandbox checks here, instead of waiting until nsIDocShell::LoadURI.
|
|
// The state of the window can change before this call and if we are blocked
|
|
// because of sandboxing, we wouldn't want that to happen.
|
|
nsCOMPtr<nsPIDOMWindow> parentWindow = do_QueryInterface(aParent);
|
|
nsCOMPtr<nsIDocShell> parentDocShell;
|
|
if (parentWindow) {
|
|
parentDocShell = parentWindow->GetDocShell();
|
|
if (parentDocShell) {
|
|
nsCOMPtr<nsIDocShell> foundDocShell = do_QueryInterface(newDocShellItem);
|
|
if (parentDocShell->IsSandboxedFrom(foundDocShell)) {
|
|
return NS_ERROR_DOM_INVALID_ACCESS_ERR;
|
|
}
|
|
}
|
|
}
|
|
|
|
// no extant window? make a new one.
|
|
|
|
// If no parent, consider it chrome when running in the parent process.
|
|
bool hasChromeParent = XRE_IsContentProcess() ? false : true;
|
|
if (aParent) {
|
|
// Check if the parent document has chrome privileges.
|
|
nsIDocument* doc = parentWindow->GetDoc();
|
|
hasChromeParent =
|
|
doc && nsContentUtils::IsChromeDoc(doc) && !openedFromRemoteTab;
|
|
}
|
|
|
|
// Make sure we call CalculateChromeFlags() *before* we push the
|
|
// callee context onto the context stack so that
|
|
// CalculateChromeFlags() sees the actual caller when doing its
|
|
// security checks.
|
|
chromeFlags = CalculateChromeFlags(aParent, features.get(), featuresSpecified,
|
|
aDialog, uriToLoadIsChrome,
|
|
hasChromeParent, aCalledFromJS,
|
|
openedFromRemoteTab);
|
|
|
|
// If we are opening a window from a remote browser, the resulting window
|
|
// should also be remote.
|
|
MOZ_ASSERT_IF(openedFromRemoteTab,
|
|
chromeFlags & nsIWebBrowserChrome::CHROME_REMOTE_WINDOW);
|
|
|
|
// If we're not called through our JS version of the API, and we got
|
|
// our internal modal option, treat the window we're opening as a
|
|
// modal content window (and set the modal chrome flag).
|
|
if (!aCalledFromJS && aArgv &&
|
|
WinHasOption(features.get(), "-moz-internal-modal", 0, nullptr)) {
|
|
windowIsModalContentDialog = true;
|
|
|
|
// CHROME_MODAL gets inherited by dependent windows, which affects various
|
|
// platform-specific window state (especially on OSX). So we need some way
|
|
// to determine that this window was actually opened by nsGlobalWindow::
|
|
// ShowModalDialog(), and that somebody is actually going to be watching
|
|
// for return values and all that.
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_MODAL_CONTENT_WINDOW;
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_MODAL;
|
|
}
|
|
|
|
SizeSpec sizeSpec;
|
|
CalcSizeSpec(features.get(), sizeSpec);
|
|
|
|
nsCOMPtr<nsIScriptSecurityManager> sm(
|
|
do_GetService(NS_SCRIPTSECURITYMANAGER_CONTRACTID));
|
|
|
|
bool isCallerChrome =
|
|
nsContentUtils::LegacyIsCallerChromeOrNativeCode() && !openedFromRemoteTab;
|
|
|
|
dom::AutoJSAPI jsapiChromeGuard;
|
|
|
|
bool windowTypeIsChrome =
|
|
chromeFlags & nsIWebBrowserChrome::CHROME_OPENAS_CHROME;
|
|
if (isCallerChrome && !hasChromeParent && !windowTypeIsChrome) {
|
|
// open() is called from chrome on a non-chrome window, initialize an
|
|
// AutoJSAPI with the callee to prevent the caller's privileges from leaking
|
|
// into code that runs while opening the new window.
|
|
//
|
|
// The reasoning for this is in bug 289204. Basically, chrome sometimes does
|
|
// someContentWindow.open(untrustedURL), and wants to be insulated from nasty
|
|
// javascript: URLs and such. But there are also cases where we create a
|
|
// window parented to a content window (such as a download dialog), usually
|
|
// directly with nsIWindowWatcher. In those cases, we want the principal of
|
|
// the initial about:blank document to be system, so that the subsequent XUL
|
|
// load can reuse the inner window and avoid blowing away expandos. As such,
|
|
// we decide whether to load with the principal of the caller or of the parent
|
|
// based on whether the docshell type is chrome or content.
|
|
|
|
nsCOMPtr<nsIGlobalObject> parentGlobalObject = do_QueryInterface(aParent);
|
|
if (!aParent) {
|
|
jsapiChromeGuard.Init();
|
|
} else if (NS_WARN_IF(!jsapiChromeGuard.Init(parentGlobalObject))) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
}
|
|
|
|
uint32_t activeDocsSandboxFlags = 0;
|
|
if (!newDocShellItem) {
|
|
// We're going to either open up a new window ourselves or ask a
|
|
// nsIWindowProvider for one. In either case, we'll want to set the right
|
|
// name on it.
|
|
windowNeedsName = true;
|
|
|
|
// If the parent trying to open a new window is sandboxed
|
|
// without 'allow-popups', this is not allowed and we fail here.
|
|
if (aParent) {
|
|
if (nsIDocument* doc = parentWindow->GetDoc()) {
|
|
// Save sandbox flags for copying to new browsing context (docShell).
|
|
activeDocsSandboxFlags = doc->GetSandboxFlags();
|
|
if (activeDocsSandboxFlags & SANDBOXED_AUXILIARY_NAVIGATION) {
|
|
return NS_ERROR_DOM_INVALID_ACCESS_ERR;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Now check whether it's ok to ask a window provider for a window. Don't
|
|
// do it if we're opening a dialog or if our parent is a chrome window or
|
|
// if we're opening something that has modal, dialog, or chrome flags set.
|
|
nsCOMPtr<nsIDOMChromeWindow> chromeWin = do_QueryInterface(aParent);
|
|
if (!aDialog && !chromeWin &&
|
|
!(chromeFlags & (nsIWebBrowserChrome::CHROME_MODAL |
|
|
nsIWebBrowserChrome::CHROME_OPENAS_DIALOG |
|
|
nsIWebBrowserChrome::CHROME_OPENAS_CHROME))) {
|
|
nsCOMPtr<nsIWindowProvider> provider;
|
|
if (parentTreeOwner) {
|
|
provider = do_GetInterface(parentTreeOwner);
|
|
} else if (XRE_IsContentProcess()) {
|
|
// we're in a content process but we don't have a tabchild we can
|
|
// use.
|
|
provider = nsContentUtils::GetWindowProviderForContentProcess();
|
|
}
|
|
|
|
if (provider) {
|
|
nsCOMPtr<nsIDOMWindow> newWindow;
|
|
rv = provider->ProvideWindow(aParent, chromeFlags, aCalledFromJS,
|
|
sizeSpec.PositionSpecified(),
|
|
sizeSpec.SizeSpecified(),
|
|
uriToLoad, name, features, &windowIsNew,
|
|
getter_AddRefs(newWindow));
|
|
|
|
if (NS_SUCCEEDED(rv)) {
|
|
GetWindowTreeItem(newWindow, getter_AddRefs(newDocShellItem));
|
|
if (windowIsNew && newDocShellItem) {
|
|
// Make sure to stop any loads happening in this window that the
|
|
// window provider might have started. Otherwise if our caller
|
|
// manipulates the window it just opened and then the load
|
|
// completes their stuff will get blown away.
|
|
nsCOMPtr<nsIWebNavigation> webNav =
|
|
do_QueryInterface(newDocShellItem);
|
|
webNav->Stop(nsIWebNavigation::STOP_NETWORK);
|
|
}
|
|
} else if (rv == NS_ERROR_ABORT) {
|
|
// NS_ERROR_ABORT means the window provider has flat-out rejected
|
|
// the open-window call and we should bail. Don't return an error
|
|
// here, because our caller may propagate that error, which might
|
|
// cause e.g. window.open to throw! Just return null for our out
|
|
// param.
|
|
return NS_OK;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
bool newWindowShouldBeModal = false;
|
|
bool parentIsModal = false;
|
|
if (!newDocShellItem) {
|
|
windowIsNew = true;
|
|
isNewToplevelWindow = true;
|
|
|
|
nsCOMPtr<nsIWebBrowserChrome> parentChrome(do_GetInterface(parentTreeOwner));
|
|
|
|
// is the parent (if any) modal? if so, we must be, too.
|
|
bool weAreModal = (chromeFlags & nsIWebBrowserChrome::CHROME_MODAL) != 0;
|
|
newWindowShouldBeModal = weAreModal;
|
|
if (!weAreModal && parentChrome) {
|
|
parentChrome->IsWindowModal(&weAreModal);
|
|
parentIsModal = weAreModal;
|
|
}
|
|
|
|
if (weAreModal) {
|
|
windowIsModal = true;
|
|
// in case we added this because weAreModal
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_MODAL |
|
|
nsIWebBrowserChrome::CHROME_DEPENDENT;
|
|
}
|
|
|
|
// Make sure to not create modal windows if our parent is invisible and
|
|
// isn't a chrome window. Otherwise we can end up in a bizarre situation
|
|
// where we can't shut down because an invisible window is open. If
|
|
// someone tries to do this, throw.
|
|
if (!hasChromeParent && (chromeFlags & nsIWebBrowserChrome::CHROME_MODAL)) {
|
|
nsCOMPtr<nsIBaseWindow> parentWindow(do_GetInterface(parentTreeOwner));
|
|
nsCOMPtr<nsIWidget> parentWidget;
|
|
if (parentWindow) {
|
|
parentWindow->GetMainWidget(getter_AddRefs(parentWidget));
|
|
}
|
|
// NOTE: the logic for this visibility check is duplicated in
|
|
// nsIDOMWindowUtils::isParentWindowMainWidgetVisible - if we change
|
|
// how a window is determined "visible" in this context then we should
|
|
// also adjust that attribute and/or any consumers of it...
|
|
if (parentWidget && !parentWidget->IsVisible()) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
}
|
|
|
|
NS_ASSERTION(mWindowCreator,
|
|
"attempted to open a new window with no WindowCreator");
|
|
rv = NS_ERROR_FAILURE;
|
|
if (mWindowCreator) {
|
|
nsCOMPtr<nsIWebBrowserChrome> newChrome;
|
|
|
|
/* If the window creator is an nsIWindowCreator2, we can give it
|
|
some hints. The only hint at this time is whether the opening window
|
|
is in a situation that's likely to mean this is an unrequested
|
|
popup window we're creating. However we're not completely honest:
|
|
we clear that indicator if the opener is chrome, so that the
|
|
downstream consumer can treat the indicator to mean simply
|
|
that the new window is subject to popup control. */
|
|
nsCOMPtr<nsIWindowCreator2> windowCreator2(
|
|
do_QueryInterface(mWindowCreator));
|
|
if (windowCreator2) {
|
|
uint32_t contextFlags = 0;
|
|
bool popupConditions = false;
|
|
|
|
// is the parent under popup conditions?
|
|
if (parentWindow) {
|
|
popupConditions = parentWindow->IsLoadingOrRunningTimeout();
|
|
}
|
|
|
|
// chrome is always allowed, so clear the flag if the opener is chrome
|
|
if (popupConditions) {
|
|
popupConditions = !isCallerChrome;
|
|
}
|
|
|
|
if (popupConditions) {
|
|
contextFlags |=
|
|
nsIWindowCreator2::PARENT_IS_LOADING_OR_RUNNING_TIMEOUT;
|
|
}
|
|
|
|
// B2G multi-screen support. mozDisplayId is returned from the
|
|
// "display-changed" event, it is also platform-dependent.
|
|
#ifdef MOZ_WIDGET_GONK
|
|
int retval = WinHasOption(features.get(), "mozDisplayId", 0, nullptr);
|
|
windowCreator2->SetScreenId(retval);
|
|
#endif
|
|
|
|
|
|
bool cancel = false;
|
|
rv = windowCreator2->CreateChromeWindow2(parentChrome, chromeFlags,
|
|
contextFlags, uriToLoad,
|
|
aOpeningTab, &cancel,
|
|
getter_AddRefs(newChrome));
|
|
if (NS_SUCCEEDED(rv) && cancel) {
|
|
newChrome = 0; // just in case
|
|
rv = NS_ERROR_ABORT;
|
|
}
|
|
} else {
|
|
rv = mWindowCreator->CreateChromeWindow(parentChrome, chromeFlags,
|
|
getter_AddRefs(newChrome));
|
|
}
|
|
|
|
if (newChrome) {
|
|
/* It might be a chrome nsXULWindow, in which case it won't have
|
|
an nsIDOMWindow (primary content shell). But in that case, it'll
|
|
be able to hand over an nsIDocShellTreeItem directly. */
|
|
nsCOMPtr<nsIDOMWindow> newWindow(do_GetInterface(newChrome));
|
|
if (newWindow) {
|
|
GetWindowTreeItem(newWindow, getter_AddRefs(newDocShellItem));
|
|
}
|
|
if (!newDocShellItem) {
|
|
newDocShellItem = do_GetInterface(newChrome);
|
|
}
|
|
if (!newDocShellItem) {
|
|
rv = NS_ERROR_FAILURE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// better have a window to use by this point
|
|
if (!newDocShellItem) {
|
|
return rv;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> newDocShell(do_QueryInterface(newDocShellItem));
|
|
NS_ENSURE_TRUE(newDocShell, NS_ERROR_UNEXPECTED);
|
|
|
|
// Set up sandboxing attributes if the window is new.
|
|
// The flags can only be non-zero for new windows.
|
|
if (activeDocsSandboxFlags != 0) {
|
|
newDocShell->SetSandboxFlags(activeDocsSandboxFlags);
|
|
if (parentWindow) {
|
|
newDocShell->SetOnePermittedSandboxedNavigator(
|
|
parentWindow->GetDocShell());
|
|
}
|
|
}
|
|
|
|
rv = ReadyOpenedDocShellItem(newDocShellItem, aParent, windowIsNew,
|
|
aForceNoOpener, aResult);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
/* disable persistence of size/position in popups (determined by
|
|
determining whether the features parameter specifies width or height
|
|
in any way). We consider any overriding of the window's size or position
|
|
in the open call as disabling persistence of those attributes.
|
|
Popup windows (which should not persist size or position) generally set
|
|
the size. */
|
|
if (isNewToplevelWindow) {
|
|
/* at the moment, the strings "height=" or "width=" never happen
|
|
outside a size specification, so we can do this the Q&D way. */
|
|
|
|
if (PL_strcasestr(features.get(), "width=") ||
|
|
PL_strcasestr(features.get(), "height=")) {
|
|
|
|
nsCOMPtr<nsIDocShellTreeOwner> newTreeOwner;
|
|
newDocShellItem->GetTreeOwner(getter_AddRefs(newTreeOwner));
|
|
if (newTreeOwner) {
|
|
newTreeOwner->SetPersistence(false, false, false);
|
|
}
|
|
}
|
|
}
|
|
|
|
if ((aDialog || windowIsModalContentDialog) && aArgv) {
|
|
// Set the args on the new window.
|
|
nsCOMPtr<nsPIDOMWindow> piwin(do_QueryInterface(*aResult));
|
|
NS_ENSURE_TRUE(piwin, NS_ERROR_UNEXPECTED);
|
|
|
|
rv = piwin->SetArguments(aArgv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
|
|
/* allow a window that we found by name to keep its name (important for cases
|
|
like _self where the given name is different (and invalid)). Also, _blank
|
|
is not a window name. */
|
|
if (windowNeedsName) {
|
|
if (nameSpecified && !name.LowerCaseEqualsLiteral("_blank")) {
|
|
newDocShellItem->SetName(name);
|
|
} else {
|
|
newDocShellItem->SetName(EmptyString());
|
|
}
|
|
}
|
|
|
|
// Now we have to set the right opener principal on the new window. Note
|
|
// that we have to do this _before_ starting any URI loads, thanks to the
|
|
// sync nature of javascript: loads.
|
|
//
|
|
// Note: The check for the current JSContext isn't necessarily sensical.
|
|
// It's just designed to preserve old semantics during a mass-conversion
|
|
// patch.
|
|
nsCOMPtr<nsIPrincipal> subjectPrincipal =
|
|
nsContentUtils::GetCurrentJSContext() ? nsContentUtils::SubjectPrincipal() :
|
|
nullptr;
|
|
|
|
if (windowIsNew) {
|
|
// Now set the opener principal on the new window. Note that we need to do
|
|
// this no matter whether we were opened from JS; if there is nothing on
|
|
// the JS stack, just use the principal of our parent window. In those
|
|
// cases we do _not_ set the parent window principal as the owner of the
|
|
// load--since we really don't know who the owner is, just leave it null.
|
|
nsCOMPtr<nsPIDOMWindow> newWindow = do_QueryInterface(*aResult);
|
|
NS_ASSERTION(newWindow == newDocShell->GetWindow(), "Different windows??");
|
|
|
|
// The principal of the initial about:blank document gets set up in
|
|
// nsWindowWatcher::AddWindow. Make sure to call it. In the common case
|
|
// this call already happened when the window was created, but
|
|
// SetInitialPrincipalToSubject is safe to call multiple times.
|
|
if (newWindow) {
|
|
newWindow->SetInitialPrincipalToSubject();
|
|
if (aIsPopupSpam) {
|
|
nsGlobalWindow* globalWin = static_cast<nsGlobalWindow*>(newWindow.get());
|
|
MOZ_ASSERT(!globalWin->IsPopupSpamWindow(),
|
|
"Who marked it as popup spam already???");
|
|
if (!globalWin->IsPopupSpamWindow()) { // Make sure we don't mess up our
|
|
// counter even if the above
|
|
// assert fails.
|
|
globalWin->SetIsPopupSpamWindow(true);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If all windows should be private, make sure the new window is also
|
|
// private. Otherwise, see if the caller has explicitly requested a
|
|
// private or non-private window.
|
|
bool isPrivateBrowsingWindow =
|
|
Preferences::GetBool("browser.privatebrowsing.autostart") ||
|
|
(!!(chromeFlags & nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW) &&
|
|
!(chromeFlags & nsIWebBrowserChrome::CHROME_NON_PRIVATE_WINDOW));
|
|
|
|
// Otherwise, propagate the privacy status of the parent window, if
|
|
// available, to the child.
|
|
if (!isPrivateBrowsingWindow &&
|
|
!(chromeFlags & nsIWebBrowserChrome::CHROME_NON_PRIVATE_WINDOW)) {
|
|
nsCOMPtr<nsIDocShellTreeItem> parentItem;
|
|
GetWindowTreeItem(aParent, getter_AddRefs(parentItem));
|
|
nsCOMPtr<nsILoadContext> parentContext = do_QueryInterface(parentItem);
|
|
if (parentContext) {
|
|
isPrivateBrowsingWindow = parentContext->UsePrivateBrowsing();
|
|
}
|
|
}
|
|
|
|
// We rely on CalculateChromeFlags to decide whether remote (out-of-process)
|
|
// tabs should be used.
|
|
bool isRemoteWindow =
|
|
!!(chromeFlags & nsIWebBrowserChrome::CHROME_REMOTE_WINDOW);
|
|
|
|
if (isNewToplevelWindow) {
|
|
nsCOMPtr<nsIDocShellTreeItem> childRoot;
|
|
newDocShellItem->GetRootTreeItem(getter_AddRefs(childRoot));
|
|
nsCOMPtr<nsILoadContext> childContext = do_QueryInterface(childRoot);
|
|
if (childContext) {
|
|
childContext->SetPrivateBrowsing(isPrivateBrowsingWindow);
|
|
childContext->SetRemoteTabs(isRemoteWindow);
|
|
}
|
|
} else if (windowIsNew) {
|
|
nsCOMPtr<nsILoadContext> childContext = do_QueryInterface(newDocShellItem);
|
|
if (childContext) {
|
|
childContext->SetPrivateBrowsing(isPrivateBrowsingWindow);
|
|
childContext->SetRemoteTabs(isRemoteWindow);
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellLoadInfo> loadInfo;
|
|
if (uriToLoad && aNavigate) {
|
|
newDocShell->CreateLoadInfo(getter_AddRefs(loadInfo));
|
|
NS_ENSURE_TRUE(loadInfo, NS_ERROR_FAILURE);
|
|
|
|
if (subjectPrincipal) {
|
|
loadInfo->SetOwner(subjectPrincipal);
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindow> referrerWindow =
|
|
do_QueryInterface(GetEntryGlobal());
|
|
if (!referrerWindow) {
|
|
referrerWindow = do_QueryInterface(aParent);
|
|
}
|
|
if (referrerWindow) {
|
|
/* use the URL from the *extant* document, if any. The usual accessor
|
|
GetDocument will synchronously create an about:blank document if
|
|
it has no better answer, and we only care about a real document.
|
|
Also using GetDocument to force document creation seems to
|
|
screw up focus in the hidden window; see bug 36016.
|
|
*/
|
|
nsCOMPtr<nsIDocument> doc = referrerWindow->GetExtantDoc();
|
|
if (doc) {
|
|
// Set the referrer
|
|
loadInfo->SetReferrer(doc->GetDocumentURI());
|
|
loadInfo->SetReferrerPolicy(doc->GetReferrerPolicy());
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isNewToplevelWindow) {
|
|
// Notify observers that the window is open and ready.
|
|
// The window has not yet started to load a document.
|
|
nsCOMPtr<nsIObserverService> obsSvc =
|
|
mozilla::services::GetObserverService();
|
|
if (obsSvc) {
|
|
obsSvc->NotifyObservers(*aResult, "toplevel-window-ready", nullptr);
|
|
}
|
|
}
|
|
|
|
if (uriToLoad && aNavigate) {
|
|
newDocShell->LoadURI(
|
|
uriToLoad,
|
|
loadInfo,
|
|
windowIsNew ?
|
|
static_cast<uint32_t>(nsIWebNavigation::LOAD_FLAGS_FIRST_LOAD) :
|
|
static_cast<uint32_t>(nsIWebNavigation::LOAD_FLAGS_NONE),
|
|
true);
|
|
}
|
|
|
|
// Copy the current session storage for the current domain.
|
|
if (subjectPrincipal && parentDocShell) {
|
|
nsCOMPtr<nsIDOMStorageManager> parentStorageManager =
|
|
do_QueryInterface(parentDocShell);
|
|
nsCOMPtr<nsIDOMStorageManager> newStorageManager =
|
|
do_QueryInterface(newDocShell);
|
|
|
|
if (parentStorageManager && newStorageManager) {
|
|
nsCOMPtr<nsIDOMStorage> storage;
|
|
nsCOMPtr<nsPIDOMWindow> pWin = do_QueryInterface(aParent);
|
|
nsCOMPtr<nsPIDOMWindow> pInnerWin =
|
|
pWin->IsInnerWindow() ? pWin.get() : pWin->GetCurrentInnerWindow();
|
|
|
|
parentStorageManager->GetStorage(pInnerWin, subjectPrincipal,
|
|
isPrivateBrowsingWindow,
|
|
getter_AddRefs(storage));
|
|
if (storage) {
|
|
newStorageManager->CloneStorage(storage);
|
|
}
|
|
}
|
|
}
|
|
|
|
if (isNewToplevelWindow) {
|
|
SizeOpenedDocShellItem(newDocShellItem, aParent, isCallerChrome, sizeSpec);
|
|
}
|
|
|
|
// XXXbz isn't windowIsModal always true when windowIsModalContentDialog?
|
|
if (windowIsModal || windowIsModalContentDialog) {
|
|
nsCOMPtr<nsIDocShellTreeOwner> newTreeOwner;
|
|
newDocShellItem->GetTreeOwner(getter_AddRefs(newTreeOwner));
|
|
nsCOMPtr<nsIWebBrowserChrome> newChrome(do_GetInterface(newTreeOwner));
|
|
|
|
// Throw an exception here if no web browser chrome is available,
|
|
// we need that to show a modal window.
|
|
NS_ENSURE_TRUE(newChrome, NS_ERROR_NOT_AVAILABLE);
|
|
|
|
// Dispatch dialog events etc, but we only want to do that if
|
|
// we're opening a modal content window (the helper classes are
|
|
// no-ops if given no window), for chrome dialogs we don't want to
|
|
// do any of that (it's done elsewhere for us).
|
|
// Make sure we maintain the state on an outer window, because
|
|
// that's where it lives; inner windows assert if you try to
|
|
// maintain the state on them.
|
|
nsAutoWindowStateHelper windowStateHelper(
|
|
parentWindow ? parentWindow->GetOuterWindow() : nullptr);
|
|
|
|
if (!windowStateHelper.DefaultEnabled()) {
|
|
// Default to cancel not opening the modal window.
|
|
NS_RELEASE(*aResult);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
bool isAppModal = false;
|
|
nsCOMPtr<nsIBaseWindow> parentWindow(do_GetInterface(newTreeOwner));
|
|
nsCOMPtr<nsIWidget> parentWidget;
|
|
if (parentWindow) {
|
|
parentWindow->GetMainWidget(getter_AddRefs(parentWidget));
|
|
if (parentWidget) {
|
|
isAppModal = parentWidget->IsRunningAppModal();
|
|
}
|
|
}
|
|
if (parentWidget &&
|
|
((!newWindowShouldBeModal && parentIsModal) || isAppModal)) {
|
|
parentWidget->SetFakeModal(true);
|
|
} else {
|
|
// Reset popup state while opening a modal dialog, and firing
|
|
// events about the dialog, to prevent the current state from
|
|
// being active the whole time a modal dialog is open.
|
|
nsAutoPopupStatePusher popupStatePusher(openAbused);
|
|
|
|
newChrome->ShowAsModal();
|
|
}
|
|
}
|
|
|
|
if (aForceNoOpener && windowIsNew) {
|
|
NS_RELEASE(*aResult);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::RegisterNotification(nsIObserver* aObserver)
|
|
{
|
|
// just a convenience method; it delegates to nsIObserverService
|
|
|
|
if (!aObserver) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
|
|
if (!os) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsresult rv = os->AddObserver(aObserver, "domwindowopened", false);
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = os->AddObserver(aObserver, "domwindowclosed", false);
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::UnregisterNotification(nsIObserver* aObserver)
|
|
{
|
|
// just a convenience method; it delegates to nsIObserverService
|
|
|
|
if (!aObserver) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
|
|
if (!os) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
os->RemoveObserver(aObserver, "domwindowopened");
|
|
os->RemoveObserver(aObserver, "domwindowclosed");
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::GetWindowEnumerator(nsISimpleEnumerator** aResult)
|
|
{
|
|
if (!aResult) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
MutexAutoLock lock(mListLock);
|
|
nsWatcherWindowEnumerator* enumerator = new nsWatcherWindowEnumerator(this);
|
|
if (enumerator) {
|
|
return CallQueryInterface(enumerator, aResult);
|
|
}
|
|
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::GetNewPrompter(nsIDOMWindow* aParent, nsIPrompt** aResult)
|
|
{
|
|
// This is for backwards compat only. Callers should just use the prompt
|
|
// service directly.
|
|
nsresult rv;
|
|
nsCOMPtr<nsIPromptFactory> factory =
|
|
do_GetService("@mozilla.org/prompter;1", &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
return factory->GetPrompt(aParent, NS_GET_IID(nsIPrompt),
|
|
reinterpret_cast<void**>(aResult));
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::GetNewAuthPrompter(nsIDOMWindow* aParent,
|
|
nsIAuthPrompt** aResult)
|
|
{
|
|
// This is for backwards compat only. Callers should just use the prompt
|
|
// service directly.
|
|
nsresult rv;
|
|
nsCOMPtr<nsIPromptFactory> factory =
|
|
do_GetService("@mozilla.org/prompter;1", &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
return factory->GetPrompt(aParent, NS_GET_IID(nsIAuthPrompt),
|
|
reinterpret_cast<void**>(aResult));
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::GetPrompt(nsIDOMWindow* aParent, const nsIID& aIID,
|
|
void** aResult)
|
|
{
|
|
// This is for backwards compat only. Callers should just use the prompt
|
|
// service directly.
|
|
nsresult rv;
|
|
nsCOMPtr<nsIPromptFactory> factory =
|
|
do_GetService("@mozilla.org/prompter;1", &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = factory->GetPrompt(aParent, aIID, aResult);
|
|
|
|
// Allow for an embedding implementation to not support nsIAuthPrompt2.
|
|
if (rv == NS_NOINTERFACE && aIID.Equals(NS_GET_IID(nsIAuthPrompt2))) {
|
|
nsCOMPtr<nsIAuthPrompt> oldPrompt;
|
|
rv = factory->GetPrompt(
|
|
aParent, NS_GET_IID(nsIAuthPrompt), getter_AddRefs(oldPrompt));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
NS_WrapAuthPrompt(oldPrompt, reinterpret_cast<nsIAuthPrompt2**>(aResult));
|
|
if (!*aResult) {
|
|
rv = NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::SetWindowCreator(nsIWindowCreator* aCreator)
|
|
{
|
|
mWindowCreator = aCreator;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::HasWindowCreator(bool* aResult)
|
|
{
|
|
*aResult = mWindowCreator;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::GetActiveWindow(nsIDOMWindow** aActiveWindow)
|
|
{
|
|
*aActiveWindow = nullptr;
|
|
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
|
|
if (fm) {
|
|
return fm->GetActiveWindow(aActiveWindow);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::SetActiveWindow(nsIDOMWindow* aActiveWindow)
|
|
{
|
|
nsCOMPtr<nsIFocusManager> fm = do_GetService(FOCUSMANAGER_CONTRACTID);
|
|
if (fm) {
|
|
return fm->SetActiveWindow(aActiveWindow);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::AddWindow(nsIDOMWindow* aWindow, nsIWebBrowserChrome* aChrome)
|
|
{
|
|
if (!aWindow) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
{
|
|
nsCOMPtr<nsPIDOMWindow> win(do_QueryInterface(aWindow));
|
|
|
|
NS_ASSERTION(win->IsOuterWindow(),
|
|
"Uh, the active window must be an outer window!");
|
|
}
|
|
#endif
|
|
|
|
{
|
|
nsWatcherWindowEntry* info;
|
|
MutexAutoLock lock(mListLock);
|
|
|
|
// if we already have an entry for this window, adjust
|
|
// its chrome mapping and return
|
|
info = FindWindowEntry(aWindow);
|
|
if (info) {
|
|
nsCOMPtr<nsISupportsWeakReference> supportsweak(
|
|
do_QueryInterface(aChrome));
|
|
if (supportsweak) {
|
|
supportsweak->GetWeakReference(getter_AddRefs(info->mChromeWeak));
|
|
} else {
|
|
info->mChrome = aChrome;
|
|
info->mChromeWeak = 0;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
// create a window info struct and add it to the list of windows
|
|
info = new nsWatcherWindowEntry(aWindow, aChrome);
|
|
if (!info) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
|
|
if (mOldestWindow) {
|
|
info->InsertAfter(mOldestWindow->mOlder);
|
|
} else {
|
|
mOldestWindow = info;
|
|
}
|
|
} // leave the mListLock
|
|
|
|
// a window being added to us signifies a newly opened window.
|
|
// send notifications.
|
|
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
|
|
if (!os) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsISupports> domwin(do_QueryInterface(aWindow));
|
|
return os->NotifyObservers(domwin, "domwindowopened", 0);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::RemoveWindow(nsIDOMWindow* aWindow)
|
|
{
|
|
// find the corresponding nsWatcherWindowEntry, remove it
|
|
|
|
if (!aWindow) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
nsWatcherWindowEntry* info = FindWindowEntry(aWindow);
|
|
if (info) {
|
|
RemoveWindow(info);
|
|
return NS_OK;
|
|
}
|
|
NS_WARNING("requested removal of nonexistent window");
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
nsWatcherWindowEntry*
|
|
nsWindowWatcher::FindWindowEntry(nsIDOMWindow* aWindow)
|
|
{
|
|
// find the corresponding nsWatcherWindowEntry
|
|
nsWatcherWindowEntry* info;
|
|
nsWatcherWindowEntry* listEnd;
|
|
#ifdef USEWEAKREFS
|
|
nsresult rv;
|
|
bool found;
|
|
#endif
|
|
|
|
info = mOldestWindow;
|
|
listEnd = 0;
|
|
#ifdef USEWEAKREFS
|
|
rv = NS_OK;
|
|
found = false;
|
|
while (info != listEnd && NS_SUCCEEDED(rv)) {
|
|
nsCOMPtr<nsIDOMWindow> infoWindow(do_QueryReferent(info->mWindow));
|
|
if (!infoWindow) { // clean up dangling reference, while we're here
|
|
rv = RemoveWindow(info);
|
|
} else if (infoWindow.get() == aWindow) {
|
|
return info;
|
|
}
|
|
|
|
info = info->mYounger;
|
|
listEnd = mOldestWindow;
|
|
}
|
|
return 0;
|
|
#else
|
|
while (info != listEnd) {
|
|
if (info->mWindow == aWindow) {
|
|
return info;
|
|
}
|
|
info = info->mYounger;
|
|
listEnd = mOldestWindow;
|
|
}
|
|
return 0;
|
|
#endif
|
|
}
|
|
|
|
nsresult
|
|
nsWindowWatcher::RemoveWindow(nsWatcherWindowEntry* aInfo)
|
|
{
|
|
uint32_t count = mEnumeratorList.Length();
|
|
|
|
{
|
|
// notify the enumerators
|
|
MutexAutoLock lock(mListLock);
|
|
for (uint32_t ctr = 0; ctr < count; ++ctr) {
|
|
mEnumeratorList[ctr]->WindowRemoved(aInfo);
|
|
}
|
|
|
|
// remove the element from the list
|
|
if (aInfo == mOldestWindow) {
|
|
mOldestWindow = aInfo->mYounger == mOldestWindow ? 0 : aInfo->mYounger;
|
|
}
|
|
aInfo->Unlink();
|
|
}
|
|
|
|
// a window being removed from us signifies a newly closed window.
|
|
// send notifications.
|
|
nsCOMPtr<nsIObserverService> os = mozilla::services::GetObserverService();
|
|
if (os) {
|
|
#ifdef USEWEAKREFS
|
|
nsCOMPtr<nsISupports> domwin(do_QueryReferent(aInfo->mWindow));
|
|
if (domwin) {
|
|
os->NotifyObservers(domwin, "domwindowclosed", 0);
|
|
}
|
|
// else bummer. since the window is gone, there's nothing to notify with.
|
|
#else
|
|
nsCOMPtr<nsISupports> domwin(do_QueryInterface(aInfo->mWindow));
|
|
os->NotifyObservers(domwin, "domwindowclosed", 0);
|
|
#endif
|
|
}
|
|
|
|
delete aInfo;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::GetChromeForWindow(nsIDOMWindow* aWindow,
|
|
nsIWebBrowserChrome** aResult)
|
|
{
|
|
if (!aWindow || !aResult) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
*aResult = 0;
|
|
|
|
MutexAutoLock lock(mListLock);
|
|
nsWatcherWindowEntry* info = FindWindowEntry(aWindow);
|
|
if (info) {
|
|
if (info->mChromeWeak) {
|
|
return info->mChromeWeak->QueryReferent(
|
|
NS_GET_IID(nsIWebBrowserChrome), reinterpret_cast<void**>(aResult));
|
|
}
|
|
*aResult = info->mChrome;
|
|
NS_IF_ADDREF(*aResult);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::GetWindowByName(const char16_t* aTargetName,
|
|
nsIDOMWindow* aCurrentWindow,
|
|
nsIDOMWindow** aResult)
|
|
{
|
|
if (!aResult) {
|
|
return NS_ERROR_INVALID_ARG;
|
|
}
|
|
|
|
*aResult = nullptr;
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> treeItem;
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> startItem;
|
|
GetWindowTreeItem(aCurrentWindow, getter_AddRefs(startItem));
|
|
if (startItem) {
|
|
// Note: original requestor is null here, per idl comments
|
|
startItem->FindItemWithName(aTargetName, nullptr, nullptr,
|
|
getter_AddRefs(treeItem));
|
|
} else {
|
|
// Note: original requestor is null here, per idl comments
|
|
FindItemWithName(aTargetName, nullptr, nullptr, getter_AddRefs(treeItem));
|
|
}
|
|
|
|
if (treeItem) {
|
|
nsCOMPtr<nsIDOMWindow> domWindow = treeItem->GetWindow();
|
|
domWindow.forget(aResult);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
nsWindowWatcher::AddEnumerator(nsWatcherWindowEnumerator* aEnumerator)
|
|
{
|
|
// (requires a lock; assumes it's called by someone holding the lock)
|
|
return mEnumeratorList.AppendElement(aEnumerator) != nullptr;
|
|
}
|
|
|
|
bool
|
|
nsWindowWatcher::RemoveEnumerator(nsWatcherWindowEnumerator* aEnumerator)
|
|
{
|
|
// (requires a lock; assumes it's called by someone holding the lock)
|
|
return mEnumeratorList.RemoveElement(aEnumerator);
|
|
}
|
|
|
|
nsresult
|
|
nsWindowWatcher::URIfromURL(const char* aURL,
|
|
nsIDOMWindow* aParent,
|
|
nsIURI** aURI)
|
|
{
|
|
// Build the URI relative to the entry global.
|
|
nsCOMPtr<nsPIDOMWindow> baseWindow = do_QueryInterface(GetEntryGlobal());
|
|
|
|
// failing that, build it relative to the parent window, if possible
|
|
if (!baseWindow) {
|
|
baseWindow = do_QueryInterface(aParent);
|
|
}
|
|
|
|
// failing that, use the given URL unmodified. It had better not be relative.
|
|
|
|
nsIURI* baseURI = nullptr;
|
|
|
|
// get baseWindow's document URI
|
|
if (baseWindow) {
|
|
if (nsIDocument* doc = baseWindow->GetDoc()) {
|
|
baseURI = doc->GetDocBaseURI();
|
|
}
|
|
}
|
|
|
|
// build and return the absolute URI
|
|
return NS_NewURI(aURI, aURL, baseURI);
|
|
}
|
|
|
|
#define NS_CALCULATE_CHROME_FLAG_FOR(feature, flag) \
|
|
prefBranch->GetBoolPref(feature, &forceEnable); \
|
|
if (forceEnable && !(aDialog && !openedFromContentScript) && \
|
|
!(!openedFromContentScript && aHasChromeParent) && !aChromeURL) { \
|
|
chromeFlags |= flag; \
|
|
} else { \
|
|
chromeFlags |= \
|
|
WinHasOption(aFeatures, feature, 0, &presenceFlag) ? flag : 0; \
|
|
}
|
|
|
|
/**
|
|
* Calculate the chrome bitmask from a string list of features.
|
|
* @param aParent the opener window
|
|
* @param aFeatures a string containing a list of named chrome features
|
|
* @param aNullFeatures true if aFeatures was a null pointer (which fact
|
|
* is lost by its conversion to a string in the caller)
|
|
* @param aDialog affects the assumptions made about unnamed features
|
|
* @return the chrome bitmask
|
|
*/
|
|
// static
|
|
uint32_t
|
|
nsWindowWatcher::CalculateChromeFlags(nsIDOMWindow* aParent,
|
|
const char* aFeatures,
|
|
bool aFeaturesSpecified,
|
|
bool aDialog,
|
|
bool aChromeURL,
|
|
bool aHasChromeParent,
|
|
bool aCalledFromJS,
|
|
bool aOpenedFromRemoteTab)
|
|
{
|
|
const bool inContentProcess = XRE_IsContentProcess();
|
|
uint32_t chromeFlags = 0;
|
|
|
|
if (!aFeaturesSpecified || !aFeatures) {
|
|
chromeFlags = nsIWebBrowserChrome::CHROME_ALL;
|
|
if (aDialog) {
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_OPENAS_DIALOG |
|
|
nsIWebBrowserChrome::CHROME_OPENAS_CHROME;
|
|
}
|
|
|
|
if (inContentProcess) {
|
|
return chromeFlags;
|
|
}
|
|
} else {
|
|
chromeFlags = nsIWebBrowserChrome::CHROME_WINDOW_BORDERS;
|
|
}
|
|
|
|
bool openedFromContentScript =
|
|
aOpenedFromRemoteTab ? aCalledFromJS
|
|
: !nsContentUtils::LegacyIsCallerChromeOrNativeCode();
|
|
|
|
/* This function has become complicated since browser windows and
|
|
dialogs diverged. The difference is, browser windows assume all
|
|
chrome not explicitly mentioned is off, if the features string
|
|
is not null. Exceptions are some OS border chrome new with Mozilla.
|
|
Dialogs interpret a (mostly) empty features string to mean
|
|
"OS's choice," and also support an "all" flag explicitly disallowed
|
|
in the standards-compliant window.(normal)open. */
|
|
|
|
bool presenceFlag = false;
|
|
if (aDialog && WinHasOption(aFeatures, "all", 0, &presenceFlag)) {
|
|
chromeFlags = nsIWebBrowserChrome::CHROME_ALL;
|
|
}
|
|
|
|
/* Next, allow explicitly named options to override the initial settings */
|
|
|
|
if (!inContentProcess && !openedFromContentScript) {
|
|
// Determine whether the window is a private browsing window
|
|
chromeFlags |= WinHasOption(aFeatures, "private", 0, &presenceFlag) ?
|
|
nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW : 0;
|
|
chromeFlags |= WinHasOption(aFeatures, "non-private", 0, &presenceFlag) ?
|
|
nsIWebBrowserChrome::CHROME_NON_PRIVATE_WINDOW : 0;
|
|
}
|
|
|
|
if (!inContentProcess) {
|
|
// Determine whether the window should have remote tabs.
|
|
bool remote = BrowserTabsRemoteAutostart();
|
|
|
|
if (!openedFromContentScript) {
|
|
if (remote) {
|
|
remote = !WinHasOption(aFeatures, "non-remote", 0, &presenceFlag);
|
|
} else {
|
|
remote = WinHasOption(aFeatures, "remote", 0, &presenceFlag);
|
|
}
|
|
}
|
|
|
|
if (remote) {
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_REMOTE_WINDOW;
|
|
}
|
|
}
|
|
|
|
nsresult rv;
|
|
|
|
nsCOMPtr<nsIPrefBranch> prefBranch;
|
|
nsCOMPtr<nsIPrefService> prefs =
|
|
do_GetService(NS_PREFSERVICE_CONTRACTID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, true);
|
|
|
|
rv = prefs->GetBranch("dom.disable_window_open_feature.",
|
|
getter_AddRefs(prefBranch));
|
|
NS_ENSURE_SUCCESS(rv, true);
|
|
|
|
bool forceEnable = false;
|
|
|
|
NS_CALCULATE_CHROME_FLAG_FOR("titlebar",
|
|
nsIWebBrowserChrome::CHROME_TITLEBAR);
|
|
NS_CALCULATE_CHROME_FLAG_FOR("close",
|
|
nsIWebBrowserChrome::CHROME_WINDOW_CLOSE);
|
|
NS_CALCULATE_CHROME_FLAG_FOR("toolbar",
|
|
nsIWebBrowserChrome::CHROME_TOOLBAR);
|
|
NS_CALCULATE_CHROME_FLAG_FOR("location",
|
|
nsIWebBrowserChrome::CHROME_LOCATIONBAR);
|
|
NS_CALCULATE_CHROME_FLAG_FOR("personalbar",
|
|
nsIWebBrowserChrome::CHROME_PERSONAL_TOOLBAR);
|
|
NS_CALCULATE_CHROME_FLAG_FOR("status",
|
|
nsIWebBrowserChrome::CHROME_STATUSBAR);
|
|
NS_CALCULATE_CHROME_FLAG_FOR("menubar",
|
|
nsIWebBrowserChrome::CHROME_MENUBAR);
|
|
NS_CALCULATE_CHROME_FLAG_FOR("scrollbars",
|
|
nsIWebBrowserChrome::CHROME_SCROLLBARS);
|
|
NS_CALCULATE_CHROME_FLAG_FOR("resizable",
|
|
nsIWebBrowserChrome::CHROME_WINDOW_RESIZE);
|
|
NS_CALCULATE_CHROME_FLAG_FOR("minimizable",
|
|
nsIWebBrowserChrome::CHROME_WINDOW_MIN);
|
|
|
|
chromeFlags |= WinHasOption(aFeatures, "popup", 0, &presenceFlag) ?
|
|
nsIWebBrowserChrome::CHROME_WINDOW_POPUP : 0;
|
|
|
|
/* OK.
|
|
Normal browser windows, in spite of a stated pattern of turning off
|
|
all chrome not mentioned explicitly, will want the new OS chrome (window
|
|
borders, titlebars, closebox) on, unless explicitly turned off.
|
|
Dialogs, on the other hand, take the absence of any explicit settings
|
|
to mean "OS' choice." */
|
|
|
|
// default titlebar and closebox to "on," if not mentioned at all
|
|
if (!(chromeFlags & nsIWebBrowserChrome::CHROME_WINDOW_POPUP)) {
|
|
if (!PL_strcasestr(aFeatures, "titlebar")) {
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_TITLEBAR;
|
|
}
|
|
if (!PL_strcasestr(aFeatures, "close")) {
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_WINDOW_CLOSE;
|
|
}
|
|
}
|
|
|
|
if (aDialog && aFeaturesSpecified && !presenceFlag) {
|
|
chromeFlags = nsIWebBrowserChrome::CHROME_DEFAULT;
|
|
}
|
|
|
|
/* Finally, once all the above normal chrome has been divined, deal
|
|
with the features that are more operating hints than appearance
|
|
instructions. (Note modality implies dependence.) */
|
|
|
|
if (WinHasOption(aFeatures, "alwaysLowered", 0, nullptr) ||
|
|
WinHasOption(aFeatures, "z-lock", 0, nullptr)) {
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_WINDOW_LOWERED;
|
|
} else if (WinHasOption(aFeatures, "alwaysRaised", 0, nullptr)) {
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_WINDOW_RAISED;
|
|
}
|
|
|
|
chromeFlags |= WinHasOption(aFeatures, "macsuppressanimation", 0, nullptr) ?
|
|
nsIWebBrowserChrome::CHROME_MAC_SUPPRESS_ANIMATION : 0;
|
|
|
|
chromeFlags |= WinHasOption(aFeatures, "chrome", 0, nullptr) ?
|
|
nsIWebBrowserChrome::CHROME_OPENAS_CHROME : 0;
|
|
chromeFlags |= WinHasOption(aFeatures, "extrachrome", 0, nullptr) ?
|
|
nsIWebBrowserChrome::CHROME_EXTRA : 0;
|
|
chromeFlags |= WinHasOption(aFeatures, "centerscreen", 0, nullptr) ?
|
|
nsIWebBrowserChrome::CHROME_CENTER_SCREEN : 0;
|
|
chromeFlags |= WinHasOption(aFeatures, "dependent", 0, nullptr) ?
|
|
nsIWebBrowserChrome::CHROME_DEPENDENT : 0;
|
|
chromeFlags |= WinHasOption(aFeatures, "modal", 0, nullptr) ?
|
|
(nsIWebBrowserChrome::CHROME_MODAL | nsIWebBrowserChrome::CHROME_DEPENDENT) : 0;
|
|
|
|
/* On mobile we want to ignore the dialog window feature, since the mobile UI
|
|
does not provide any affordance for dialog windows. This does not interfere
|
|
with dialog windows created through openDialog. */
|
|
bool disableDialogFeature = false;
|
|
nsCOMPtr<nsIPrefBranch> branch = do_QueryInterface(prefs);
|
|
branch->GetBoolPref("dom.disable_window_open_dialog_feature",
|
|
&disableDialogFeature);
|
|
|
|
if (openedFromContentScript) {
|
|
// If the caller context is content, we do not support the
|
|
// dialog feature. See bug 1095236.
|
|
disableDialogFeature = true;
|
|
}
|
|
|
|
if (!disableDialogFeature) {
|
|
chromeFlags |= WinHasOption(aFeatures, "dialog", 0, nullptr) ?
|
|
nsIWebBrowserChrome::CHROME_OPENAS_DIALOG : 0;
|
|
}
|
|
|
|
/* and dialogs need to have the last word. assume dialogs are dialogs,
|
|
and opened as chrome, unless explicitly told otherwise. */
|
|
if (aDialog) {
|
|
if (!PL_strcasestr(aFeatures, "dialog")) {
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_OPENAS_DIALOG;
|
|
}
|
|
if (!PL_strcasestr(aFeatures, "chrome")) {
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_OPENAS_CHROME;
|
|
}
|
|
}
|
|
|
|
/* missing
|
|
chromeFlags->copy_history
|
|
*/
|
|
|
|
// Check security state for use in determing window dimensions
|
|
if (openedFromContentScript || !aHasChromeParent) {
|
|
// If priv check fails (or if we're called from chrome, but the
|
|
// parent is not a chrome window), set all elements to minimum
|
|
// reqs., else leave them alone.
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_TITLEBAR;
|
|
chromeFlags |= nsIWebBrowserChrome::CHROME_WINDOW_CLOSE;
|
|
chromeFlags &= ~nsIWebBrowserChrome::CHROME_WINDOW_LOWERED;
|
|
chromeFlags &= ~nsIWebBrowserChrome::CHROME_WINDOW_RAISED;
|
|
chromeFlags &= ~nsIWebBrowserChrome::CHROME_WINDOW_POPUP;
|
|
/* Untrusted script is allowed to pose modal windows with a chrome
|
|
scheme. This check could stand to be better. But it effectively
|
|
prevents untrusted script from opening modal windows in general
|
|
while still allowing alerts and the like. */
|
|
if (!aChromeURL)
|
|
chromeFlags &= ~(nsIWebBrowserChrome::CHROME_MODAL |
|
|
nsIWebBrowserChrome::CHROME_OPENAS_CHROME);
|
|
}
|
|
|
|
if (!(chromeFlags & nsIWebBrowserChrome::CHROME_OPENAS_CHROME)) {
|
|
// Remove the dependent flag if we're not opening as chrome
|
|
chromeFlags &= ~nsIWebBrowserChrome::CHROME_DEPENDENT;
|
|
}
|
|
|
|
// Disable CHROME_OPENAS_DIALOG if the window is inside <iframe mozbrowser>.
|
|
// It's up to the embedder to interpret what dialog=1 means.
|
|
nsCOMPtr<nsIDocShell> docshell = do_GetInterface(aParent);
|
|
if (docshell && docshell->GetIsInBrowserOrApp()) {
|
|
chromeFlags &= ~nsIWebBrowserChrome::CHROME_OPENAS_DIALOG;
|
|
}
|
|
|
|
return chromeFlags;
|
|
}
|
|
|
|
// static
|
|
int32_t
|
|
nsWindowWatcher::WinHasOption(const char* aOptions, const char* aName,
|
|
int32_t aDefault, bool* aPresenceFlag)
|
|
{
|
|
if (!aOptions) {
|
|
return 0;
|
|
}
|
|
|
|
char* comma;
|
|
char* equal;
|
|
int32_t found = 0;
|
|
|
|
#ifdef DEBUG
|
|
nsAutoCString options(aOptions);
|
|
NS_ASSERTION(options.FindCharInSet(" \n\r\t") == kNotFound,
|
|
"There should be no whitespace in this string!");
|
|
#endif
|
|
|
|
while (true) {
|
|
comma = PL_strchr(aOptions, ',');
|
|
if (comma) {
|
|
*comma = '\0';
|
|
}
|
|
equal = PL_strchr(aOptions, '=');
|
|
if (equal) {
|
|
*equal = '\0';
|
|
}
|
|
if (nsCRT::strcasecmp(aOptions, aName) == 0) {
|
|
if (aPresenceFlag) {
|
|
*aPresenceFlag = true;
|
|
}
|
|
if (equal)
|
|
if (*(equal + 1) == '*') {
|
|
found = aDefault;
|
|
} else if (nsCRT::strcasecmp(equal + 1, "yes") == 0) {
|
|
found = 1;
|
|
} else {
|
|
found = atoi(equal + 1);
|
|
}
|
|
else {
|
|
found = 1;
|
|
}
|
|
}
|
|
if (equal) {
|
|
*equal = '=';
|
|
}
|
|
if (comma) {
|
|
*comma = ',';
|
|
}
|
|
if (found || !comma) {
|
|
break;
|
|
}
|
|
aOptions = comma + 1;
|
|
}
|
|
return found;
|
|
}
|
|
|
|
/* try to find an nsIDocShellTreeItem with the given name in any
|
|
known open window. a failure to find the item will not
|
|
necessarily return a failure method value. check aFoundItem.
|
|
*/
|
|
NS_IMETHODIMP
|
|
nsWindowWatcher::FindItemWithName(const char16_t* aName,
|
|
nsIDocShellTreeItem* aRequestor,
|
|
nsIDocShellTreeItem* aOriginalRequestor,
|
|
nsIDocShellTreeItem** aFoundItem)
|
|
{
|
|
*aFoundItem = 0;
|
|
|
|
/* special cases */
|
|
if (!aName || !*aName) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsDependentString name(aName);
|
|
|
|
nsCOMPtr<nsISimpleEnumerator> windows;
|
|
GetWindowEnumerator(getter_AddRefs(windows));
|
|
if (!windows) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
bool more;
|
|
nsresult rv = NS_OK;
|
|
|
|
do {
|
|
windows->HasMoreElements(&more);
|
|
if (!more) {
|
|
break;
|
|
}
|
|
nsCOMPtr<nsISupports> nextSupWindow;
|
|
windows->GetNext(getter_AddRefs(nextSupWindow));
|
|
nsCOMPtr<nsIDOMWindow> nextWindow(do_QueryInterface(nextSupWindow));
|
|
if (nextWindow) {
|
|
nsCOMPtr<nsIDocShellTreeItem> treeItem;
|
|
GetWindowTreeItem(nextWindow, getter_AddRefs(treeItem));
|
|
if (treeItem) {
|
|
// Get the root tree item of same type, since roots are the only
|
|
// things that call into the treeowner to look for named items.
|
|
nsCOMPtr<nsIDocShellTreeItem> root;
|
|
treeItem->GetSameTypeRootTreeItem(getter_AddRefs(root));
|
|
NS_ASSERTION(root, "Must have root tree item of same type");
|
|
// Make sure not to call back into aRequestor
|
|
if (root != aRequestor) {
|
|
// Get the tree owner so we can pass it in as the requestor so
|
|
// the child knows not to call back up, since we're walking
|
|
// all windows already.
|
|
nsCOMPtr<nsIDocShellTreeOwner> rootOwner;
|
|
// Note: if we have no aRequestor, then we want to also look for
|
|
// "special" window names, so pass a null requestor. This will mean
|
|
// that the treeitem calls back up to us, effectively (with a
|
|
// non-null aRequestor), so break the loop immediately after the
|
|
// call in that case.
|
|
if (aRequestor) {
|
|
root->GetTreeOwner(getter_AddRefs(rootOwner));
|
|
}
|
|
rv = root->FindItemWithName(aName, rootOwner, aOriginalRequestor,
|
|
aFoundItem);
|
|
if (NS_FAILED(rv) || *aFoundItem || !aRequestor) {
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
} while (1);
|
|
|
|
return rv;
|
|
}
|
|
|
|
already_AddRefed<nsIDocShellTreeItem>
|
|
nsWindowWatcher::GetCallerTreeItem(nsIDocShellTreeItem* aParentItem)
|
|
{
|
|
nsCOMPtr<nsIWebNavigation> callerWebNav = do_GetInterface(GetEntryGlobal());
|
|
nsCOMPtr<nsIDocShellTreeItem> callerItem = do_QueryInterface(callerWebNav);
|
|
if (!callerItem) {
|
|
callerItem = aParentItem;
|
|
}
|
|
|
|
return callerItem.forget();
|
|
}
|
|
|
|
nsPIDOMWindow*
|
|
nsWindowWatcher::SafeGetWindowByName(const nsAString& aName,
|
|
bool aForceNoOpener,
|
|
nsIDOMWindow* aCurrentWindow)
|
|
{
|
|
if (aForceNoOpener) {
|
|
if (!aName.LowerCaseEqualsLiteral("_self") &&
|
|
!aName.LowerCaseEqualsLiteral("_top") &&
|
|
!aName.LowerCaseEqualsLiteral("_parent")) {
|
|
// Ignore all other names in the noopener case.
|
|
return nullptr;
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> startItem;
|
|
GetWindowTreeItem(aCurrentWindow, getter_AddRefs(startItem));
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> callerItem = GetCallerTreeItem(startItem);
|
|
|
|
const nsAFlatString& flatName = PromiseFlatString(aName);
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> foundItem;
|
|
if (startItem) {
|
|
startItem->FindItemWithName(flatName.get(), nullptr, callerItem,
|
|
getter_AddRefs(foundItem));
|
|
} else {
|
|
FindItemWithName(flatName.get(), nullptr, callerItem,
|
|
getter_AddRefs(foundItem));
|
|
}
|
|
|
|
return foundItem ? foundItem->GetWindow() : nullptr;
|
|
}
|
|
|
|
/* Fetch the nsIDOMWindow corresponding to the given nsIDocShellTreeItem.
|
|
This forces the creation of a script context, if one has not already
|
|
been created. Note it also sets the window's opener to the parent,
|
|
if applicable -- because it's just convenient, that's all. null aParent
|
|
is acceptable. */
|
|
nsresult
|
|
nsWindowWatcher::ReadyOpenedDocShellItem(nsIDocShellTreeItem* aOpenedItem,
|
|
nsIDOMWindow* aParent,
|
|
bool aWindowIsNew,
|
|
bool aForceNoOpener,
|
|
nsIDOMWindow** aOpenedWindow)
|
|
{
|
|
nsresult rv = NS_ERROR_FAILURE;
|
|
|
|
NS_ENSURE_ARG(aOpenedWindow);
|
|
|
|
*aOpenedWindow = 0;
|
|
nsCOMPtr<nsPIDOMWindow> piOpenedWindow = aOpenedItem->GetWindow();
|
|
if (piOpenedWindow) {
|
|
if (aParent) {
|
|
if (!aForceNoOpener) {
|
|
piOpenedWindow->SetOpenerWindow(aParent, aWindowIsNew); // damnit
|
|
}
|
|
|
|
if (aWindowIsNew) {
|
|
#ifdef DEBUG
|
|
// Assert that we're not loading things right now. If we are, when
|
|
// that load completes it will clobber whatever principals we set up
|
|
// on this new window!
|
|
nsCOMPtr<nsIDocumentLoader> docloader = do_QueryInterface(aOpenedItem);
|
|
NS_ASSERTION(docloader, "How can we not have a docloader here?");
|
|
|
|
nsCOMPtr<nsIChannel> chan;
|
|
docloader->GetDocumentChannel(getter_AddRefs(chan));
|
|
NS_ASSERTION(!chan, "Why is there a document channel?");
|
|
#endif
|
|
|
|
nsCOMPtr<nsIDocument> doc = piOpenedWindow->GetExtantDoc();
|
|
if (doc) {
|
|
doc->SetIsInitialDocument(true);
|
|
}
|
|
}
|
|
}
|
|
rv = CallQueryInterface(piOpenedWindow, aOpenedWindow);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
// static
|
|
void
|
|
nsWindowWatcher::CalcSizeSpec(const char* aFeatures, SizeSpec& aResult)
|
|
{
|
|
// Parse position spec, if any, from aFeatures
|
|
bool present;
|
|
int32_t temp;
|
|
|
|
present = false;
|
|
if ((temp = WinHasOption(aFeatures, "left", 0, &present)) || present) {
|
|
aResult.mLeft = temp;
|
|
} else if ((temp = WinHasOption(aFeatures, "screenX", 0, &present)) ||
|
|
present) {
|
|
aResult.mLeft = temp;
|
|
}
|
|
aResult.mLeftSpecified = present;
|
|
|
|
present = false;
|
|
if ((temp = WinHasOption(aFeatures, "top", 0, &present)) || present) {
|
|
aResult.mTop = temp;
|
|
} else if ((temp = WinHasOption(aFeatures, "screenY", 0, &present)) ||
|
|
present) {
|
|
aResult.mTop = temp;
|
|
}
|
|
aResult.mTopSpecified = present;
|
|
|
|
// Parse size spec, if any. Chrome size overrides content size.
|
|
if ((temp = WinHasOption(aFeatures, "outerWidth", INT32_MIN, nullptr))) {
|
|
if (temp == INT32_MIN) {
|
|
aResult.mUseDefaultWidth = true;
|
|
} else {
|
|
aResult.mOuterWidth = temp;
|
|
}
|
|
aResult.mOuterWidthSpecified = true;
|
|
} else if ((temp = WinHasOption(aFeatures, "width", INT32_MIN, nullptr)) ||
|
|
(temp = WinHasOption(aFeatures, "innerWidth", INT32_MIN,
|
|
nullptr))) {
|
|
if (temp == INT32_MIN) {
|
|
aResult.mUseDefaultWidth = true;
|
|
} else {
|
|
aResult.mInnerWidth = temp;
|
|
}
|
|
aResult.mInnerWidthSpecified = true;
|
|
}
|
|
|
|
if ((temp = WinHasOption(aFeatures, "outerHeight", INT32_MIN, nullptr))) {
|
|
if (temp == INT32_MIN) {
|
|
aResult.mUseDefaultHeight = true;
|
|
} else {
|
|
aResult.mOuterHeight = temp;
|
|
}
|
|
aResult.mOuterHeightSpecified = true;
|
|
} else if ((temp = WinHasOption(aFeatures, "height", INT32_MIN,
|
|
nullptr)) ||
|
|
(temp = WinHasOption(aFeatures, "innerHeight", INT32_MIN,
|
|
nullptr))) {
|
|
if (temp == INT32_MIN) {
|
|
aResult.mUseDefaultHeight = true;
|
|
} else {
|
|
aResult.mInnerHeight = temp;
|
|
}
|
|
aResult.mInnerHeightSpecified = true;
|
|
}
|
|
}
|
|
|
|
/* Size and position the new window according to aSizeSpec. This method
|
|
is assumed to be called after the window has already been given
|
|
a default position and size; thus its current position and size are
|
|
accurate defaults. The new window is made visible at method end.
|
|
*/
|
|
void
|
|
nsWindowWatcher::SizeOpenedDocShellItem(nsIDocShellTreeItem* aDocShellItem,
|
|
nsIDOMWindow* aParent,
|
|
bool aIsCallerChrome,
|
|
const SizeSpec& aSizeSpec)
|
|
{
|
|
// position and size of window
|
|
int32_t left = 0, top = 0, width = 100, height = 100;
|
|
// difference between chrome and content size
|
|
int32_t chromeWidth = 0, chromeHeight = 0;
|
|
// whether the window size spec refers to chrome or content
|
|
bool sizeChromeWidth = true, sizeChromeHeight = true;
|
|
|
|
// get various interfaces for aDocShellItem, used throughout this method
|
|
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
|
|
aDocShellItem->GetTreeOwner(getter_AddRefs(treeOwner));
|
|
nsCOMPtr<nsIBaseWindow> treeOwnerAsWin(do_QueryInterface(treeOwner));
|
|
if (!treeOwnerAsWin) { // we'll need this to actually size the docshell
|
|
return;
|
|
}
|
|
|
|
double openerZoom = 1.0;
|
|
if (aParent) {
|
|
nsCOMPtr<nsPIDOMWindow> piWindow = do_QueryInterface(aParent);
|
|
MOZ_ASSERT(piWindow);
|
|
if (nsIDocument* doc = piWindow->GetDoc()) {
|
|
if (nsIPresShell* shell = doc->GetShell()) {
|
|
if (nsPresContext* presContext = shell->GetPresContext()) {
|
|
openerZoom = presContext->GetFullZoom();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
double scale;
|
|
treeOwnerAsWin->GetUnscaledDevicePixelsPerCSSPixel(&scale);
|
|
|
|
/* The current position and size will be unchanged if not specified
|
|
(and they fit entirely onscreen). Also, calculate the difference
|
|
between chrome and content sizes on aDocShellItem's window.
|
|
This latter point becomes important if chrome and content
|
|
specifications are mixed in aFeatures, and when bringing the window
|
|
back from too far off the right or bottom edges of the screen. */
|
|
|
|
treeOwnerAsWin->GetPositionAndSize(&left, &top, &width, &height);
|
|
left = NSToIntRound(left / scale);
|
|
top = NSToIntRound(top / scale);
|
|
width = NSToIntRound(width / scale);
|
|
height = NSToIntRound(height / scale);
|
|
{
|
|
// scope shellWindow why not
|
|
nsCOMPtr<nsIBaseWindow> shellWindow(do_QueryInterface(aDocShellItem));
|
|
if (shellWindow) {
|
|
int32_t cox, coy;
|
|
double shellScale;
|
|
shellWindow->GetSize(&cox, &coy);
|
|
shellWindow->GetUnscaledDevicePixelsPerCSSPixel(&shellScale);
|
|
chromeWidth = width - NSToIntRound(cox / shellScale);
|
|
chromeHeight = height - NSToIntRound(coy / shellScale);
|
|
}
|
|
}
|
|
|
|
// Set up left/top
|
|
if (aSizeSpec.mLeftSpecified) {
|
|
left = NSToIntRound(aSizeSpec.mLeft * openerZoom);
|
|
}
|
|
|
|
if (aSizeSpec.mTopSpecified) {
|
|
top = NSToIntRound(aSizeSpec.mTop * openerZoom);
|
|
}
|
|
|
|
// Set up width
|
|
if (aSizeSpec.mOuterWidthSpecified) {
|
|
if (!aSizeSpec.mUseDefaultWidth) {
|
|
width = NSToIntRound(aSizeSpec.mOuterWidth * openerZoom);
|
|
} // Else specified to default; just use our existing width
|
|
} else if (aSizeSpec.mInnerWidthSpecified) {
|
|
sizeChromeWidth = false;
|
|
if (aSizeSpec.mUseDefaultWidth) {
|
|
width = width - chromeWidth;
|
|
} else {
|
|
width = NSToIntRound(aSizeSpec.mInnerWidth * openerZoom);
|
|
}
|
|
}
|
|
|
|
// Set up height
|
|
if (aSizeSpec.mOuterHeightSpecified) {
|
|
if (!aSizeSpec.mUseDefaultHeight) {
|
|
height = NSToIntRound(aSizeSpec.mOuterHeight * openerZoom);
|
|
} // Else specified to default; just use our existing height
|
|
} else if (aSizeSpec.mInnerHeightSpecified) {
|
|
sizeChromeHeight = false;
|
|
if (aSizeSpec.mUseDefaultHeight) {
|
|
height = height - chromeHeight;
|
|
} else {
|
|
height = NSToIntRound(aSizeSpec.mInnerHeight * openerZoom);
|
|
}
|
|
}
|
|
|
|
bool positionSpecified = aSizeSpec.PositionSpecified();
|
|
|
|
// Check security state for use in determing window dimensions
|
|
bool enabled = false;
|
|
if (aIsCallerChrome) {
|
|
// Only enable special priveleges for chrome when chrome calls
|
|
// open() on a chrome window
|
|
nsCOMPtr<nsIDOMChromeWindow> chromeWin(do_QueryInterface(aParent));
|
|
enabled = !aParent || chromeWin;
|
|
}
|
|
|
|
if (!enabled) {
|
|
|
|
// Security check failed. Ensure all args meet minimum reqs.
|
|
|
|
int32_t oldTop = top, oldLeft = left;
|
|
|
|
// We'll also need the screen dimensions
|
|
nsCOMPtr<nsIScreen> screen;
|
|
nsCOMPtr<nsIScreenManager> screenMgr(
|
|
do_GetService("@mozilla.org/gfx/screenmanager;1"));
|
|
if (screenMgr)
|
|
screenMgr->ScreenForRect(left, top, width, height,
|
|
getter_AddRefs(screen));
|
|
if (screen) {
|
|
int32_t screenLeft, screenTop, screenWidth, screenHeight;
|
|
int32_t winWidth = width + (sizeChromeWidth ? 0 : chromeWidth),
|
|
winHeight = height + (sizeChromeHeight ? 0 : chromeHeight);
|
|
|
|
screen->GetAvailRectDisplayPix(&screenLeft, &screenTop, &screenWidth,
|
|
&screenHeight);
|
|
|
|
if (aSizeSpec.SizeSpecified()) {
|
|
/* Unlike position, force size out-of-bounds check only if
|
|
size actually was specified. Otherwise, intrinsically sized
|
|
windows are broken. */
|
|
if (height < 100) {
|
|
height = 100;
|
|
winHeight = height + (sizeChromeHeight ? 0 : chromeHeight);
|
|
}
|
|
if (winHeight > screenHeight) {
|
|
height = screenHeight - (sizeChromeHeight ? 0 : chromeHeight);
|
|
}
|
|
if (width < 100) {
|
|
width = 100;
|
|
winWidth = width + (sizeChromeWidth ? 0 : chromeWidth);
|
|
}
|
|
if (winWidth > screenWidth) {
|
|
width = screenWidth - (sizeChromeWidth ? 0 : chromeWidth);
|
|
}
|
|
}
|
|
|
|
if (left + winWidth > screenLeft + screenWidth ||
|
|
left + winWidth < left) {
|
|
left = screenLeft + screenWidth - winWidth;
|
|
}
|
|
if (left < screenLeft) {
|
|
left = screenLeft;
|
|
}
|
|
if (top + winHeight > screenTop + screenHeight || top + winHeight < top) {
|
|
top = screenTop + screenHeight - winHeight;
|
|
}
|
|
if (top < screenTop) {
|
|
top = screenTop;
|
|
}
|
|
if (top != oldTop || left != oldLeft) {
|
|
positionSpecified = true;
|
|
}
|
|
}
|
|
}
|
|
|
|
// size and position the window
|
|
|
|
if (positionSpecified) {
|
|
treeOwnerAsWin->SetPosition(left * scale, top * scale);
|
|
// moving the window may have changed its scale factor
|
|
treeOwnerAsWin->GetUnscaledDevicePixelsPerCSSPixel(&scale);
|
|
}
|
|
if (aSizeSpec.SizeSpecified()) {
|
|
/* Prefer to trust the interfaces, which think in terms of pure
|
|
chrome or content sizes. If we have a mix, use the chrome size
|
|
adjusted by the chrome/content differences calculated earlier. */
|
|
if (!sizeChromeWidth && !sizeChromeHeight) {
|
|
treeOwner->SizeShellTo(aDocShellItem, width * scale, height * scale);
|
|
} else {
|
|
if (!sizeChromeWidth) {
|
|
width += chromeWidth;
|
|
}
|
|
if (!sizeChromeHeight) {
|
|
height += chromeHeight;
|
|
}
|
|
treeOwnerAsWin->SetSize(width * scale, height * scale, false);
|
|
}
|
|
}
|
|
treeOwnerAsWin->SetVisibility(true);
|
|
}
|
|
|
|
void
|
|
nsWindowWatcher::GetWindowTreeItem(nsIDOMWindow* aWindow,
|
|
nsIDocShellTreeItem** aResult)
|
|
{
|
|
*aResult = 0;
|
|
|
|
nsCOMPtr<nsPIDOMWindow> window(do_QueryInterface(aWindow));
|
|
if (window) {
|
|
nsIDocShell* docshell = window->GetDocShell();
|
|
if (docshell) {
|
|
CallQueryInterface(docshell, aResult);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsWindowWatcher::GetWindowTreeOwner(nsIDOMWindow* aWindow,
|
|
nsIDocShellTreeOwner** aResult)
|
|
{
|
|
*aResult = 0;
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> treeItem;
|
|
GetWindowTreeItem(aWindow, getter_AddRefs(treeItem));
|
|
if (treeItem) {
|
|
treeItem->GetTreeOwner(aResult);
|
|
}
|
|
}
|
|
|
|
/* static */
|
|
int32_t
|
|
nsWindowWatcher::GetWindowOpenLocation(nsIDOMWindow* aParent,
|
|
uint32_t aChromeFlags,
|
|
bool aCalledFromJS,
|
|
bool aPositionSpecified,
|
|
bool aSizeSpecified)
|
|
{
|
|
bool isFullScreen = false;
|
|
if (nsCOMPtr<nsPIDOMWindow> piParent = do_QueryInterface(aParent)) {
|
|
isFullScreen = piParent->GetFullScreen();
|
|
}
|
|
|
|
// Where should we open this?
|
|
int32_t containerPref;
|
|
if (NS_FAILED(Preferences::GetInt("browser.link.open_newwindow",
|
|
&containerPref))) {
|
|
// We couldn't read the user preference, so fall back on the default.
|
|
return nsIBrowserDOMWindow::OPEN_NEWTAB;
|
|
}
|
|
|
|
bool isDisabledOpenNewWindow =
|
|
isFullScreen &&
|
|
Preferences::GetBool("browser.link.open_newwindow.disabled_in_fullscreen");
|
|
|
|
if (isDisabledOpenNewWindow &&
|
|
(containerPref == nsIBrowserDOMWindow::OPEN_NEWWINDOW)) {
|
|
containerPref = nsIBrowserDOMWindow::OPEN_NEWTAB;
|
|
}
|
|
|
|
if (containerPref != nsIBrowserDOMWindow::OPEN_NEWTAB &&
|
|
containerPref != nsIBrowserDOMWindow::OPEN_CURRENTWINDOW) {
|
|
// Just open a window normally
|
|
return nsIBrowserDOMWindow::OPEN_NEWWINDOW;
|
|
}
|
|
|
|
if (aCalledFromJS) {
|
|
/* Now check our restriction pref. The restriction pref is a power-user's
|
|
fine-tuning pref. values:
|
|
0: no restrictions - divert everything
|
|
1: don't divert window.open at all
|
|
2: don't divert window.open with features
|
|
*/
|
|
int32_t restrictionPref =
|
|
Preferences::GetInt("browser.link.open_newwindow.restriction", 2);
|
|
if (restrictionPref < 0 || restrictionPref > 2) {
|
|
restrictionPref = 2; // Sane default behavior
|
|
}
|
|
|
|
if (isDisabledOpenNewWindow) {
|
|
// In browser fullscreen, the window should be opened
|
|
// in the current window with no features (see bug 803675)
|
|
restrictionPref = 0;
|
|
}
|
|
|
|
if (restrictionPref == 1) {
|
|
return nsIBrowserDOMWindow::OPEN_NEWWINDOW;
|
|
}
|
|
|
|
if (restrictionPref == 2) {
|
|
// Only continue if there are no size/position features and no special
|
|
// chrome flags - with the exception of the remoteness and private flags,
|
|
// which might have been automatically flipped by Gecko.
|
|
int32_t uiChromeFlags = aChromeFlags;
|
|
uiChromeFlags &= ~(nsIWebBrowserChrome::CHROME_REMOTE_WINDOW |
|
|
nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW |
|
|
nsIWebBrowserChrome::CHROME_NON_PRIVATE_WINDOW |
|
|
nsIWebBrowserChrome::CHROME_PRIVATE_LIFETIME);
|
|
if (uiChromeFlags != nsIWebBrowserChrome::CHROME_ALL ||
|
|
aPositionSpecified || aSizeSpecified) {
|
|
return nsIBrowserDOMWindow::OPEN_NEWWINDOW;
|
|
}
|
|
}
|
|
}
|
|
|
|
return containerPref;
|
|
}
|