зеркало из https://github.com/mozilla/gecko-dev.git
3529 строки
109 KiB
C++
3529 строки
109 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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/*
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* Class for managing loading of a subframe (creation of the docshell,
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* handling of loads in it, recursion-checking).
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*/
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#include "base/basictypes.h"
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#include "prenv.h"
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#include "mozIApplication.h"
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#include "nsDocShell.h"
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#include "nsIDOMHTMLIFrameElement.h"
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#include "nsIDOMHTMLFrameElement.h"
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#include "nsIDOMMozBrowserFrame.h"
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#include "nsIDOMWindow.h"
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#include "nsIPresShell.h"
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#include "nsIContentInlines.h"
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#include "nsIContentViewer.h"
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#include "nsIDocument.h"
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#include "nsIDOMDocument.h"
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#include "nsPIDOMWindow.h"
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#include "nsIWebNavigation.h"
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#include "nsIWebProgress.h"
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#include "nsIDocShell.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIDocShellLoadInfo.h"
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#include "nsIBaseWindow.h"
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#include "nsIBrowser.h"
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#include "nsContentUtils.h"
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#include "nsIXPConnect.h"
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#include "nsUnicharUtils.h"
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#include "nsIScriptGlobalObject.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsIScrollable.h"
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#include "nsFrameLoader.h"
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#include "nsIDOMEventTarget.h"
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#include "nsIFrame.h"
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#include "nsIScrollableFrame.h"
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#include "nsSubDocumentFrame.h"
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#include "nsError.h"
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#include "nsISHistory.h"
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#include "nsISHistoryInternal.h"
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#include "nsIDOMHTMLDocument.h"
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#include "nsIXULWindow.h"
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#include "nsIEditor.h"
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#include "nsIMozBrowserFrame.h"
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#include "nsIPermissionManager.h"
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#include "nsISHistory.h"
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#include "nsNullPrincipal.h"
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#include "nsIScriptError.h"
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#include "nsGlobalWindow.h"
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#include "nsPIWindowRoot.h"
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#include "nsLayoutUtils.h"
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#include "nsView.h"
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#include "nsIURI.h"
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#include "nsIURL.h"
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#include "nsNetUtil.h"
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#include "nsGkAtoms.h"
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#include "nsNameSpaceManager.h"
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#include "nsThreadUtils.h"
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#include "nsIDOMChromeWindow.h"
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#include "nsInProcessTabChildGlobal.h"
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#include "Layers.h"
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#include "ClientLayerManager.h"
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#include "AppProcessChecker.h"
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#include "ContentParent.h"
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#include "TabParent.h"
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#include "mozilla/plugins/PPluginWidgetParent.h"
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#include "../plugins/ipc/PluginWidgetParent.h"
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#include "mozilla/AsyncEventDispatcher.h"
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#include "mozilla/BasePrincipal.h"
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#include "mozilla/GuardObjects.h"
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#include "mozilla/Preferences.h"
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#include "mozilla/unused.h"
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#include "mozilla/dom/Element.h"
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#include "mozilla/jsipc/CrossProcessObjectWrappers.h"
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#include "mozilla/layout/RenderFrameParent.h"
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#include "nsIAppsService.h"
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#include "GeckoProfiler.h"
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#include "jsapi.h"
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#include "mozilla/dom/HTMLIFrameElement.h"
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#include "nsSandboxFlags.h"
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#include "mozilla/layers/CompositorBridgeChild.h"
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#include "mozilla/dom/ipc/StructuredCloneData.h"
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#include "mozilla/WebBrowserPersistLocalDocument.h"
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#include "nsPrincipal.h"
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#ifdef MOZ_XUL
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#include "nsXULPopupManager.h"
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#endif
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#ifdef NS_PRINTING
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#include "mozilla/embedding/printingui/PrintingParent.h"
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#include "nsIWebBrowserPrint.h"
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#endif
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using namespace mozilla;
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using namespace mozilla::hal;
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using namespace mozilla::dom;
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using namespace mozilla::dom::ipc;
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using namespace mozilla::layers;
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using namespace mozilla::layout;
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typedef FrameMetrics::ViewID ViewID;
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// Bug 136580: Limit to the number of nested content frames that can have the
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// same URL. This is to stop content that is recursively loading
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// itself. Note that "#foo" on the end of URL doesn't affect
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// whether it's considered identical, but "?foo" or ";foo" are
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// considered and compared.
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// Bug 228829: Limit this to 1, like IE does.
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#define MAX_SAME_URL_CONTENT_FRAMES 1
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// Bug 8065: Limit content frame depth to some reasonable level. This
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// does not count chrome frames when determining depth, nor does it
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// prevent chrome recursion. Number is fairly arbitrary, but meant to
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// keep number of shells to a reasonable number on accidental recursion with a
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// small (but not 1) branching factor. With large branching factors the number
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// of shells can rapidly become huge and run us out of memory. To solve that,
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// we'd need to re-institute a fixed version of bug 98158.
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#define MAX_DEPTH_CONTENT_FRAMES 10
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NS_IMPL_CYCLE_COLLECTION(nsFrameLoader, mDocShell, mMessageManager, mChildMessageManager)
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NS_IMPL_CYCLE_COLLECTING_ADDREF(nsFrameLoader)
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NS_IMPL_CYCLE_COLLECTING_RELEASE(nsFrameLoader)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(nsFrameLoader)
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NS_INTERFACE_MAP_ENTRY(nsIFrameLoader)
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NS_INTERFACE_MAP_ENTRY_AMBIGUOUS(nsISupports, nsIFrameLoader)
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NS_INTERFACE_MAP_ENTRY(nsIWebBrowserPersistable)
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NS_INTERFACE_MAP_END
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nsFrameLoader::nsFrameLoader(Element* aOwner, bool aNetworkCreated)
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: mOwnerContent(aOwner)
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, mAppIdSentToPermissionManager(nsIScriptSecurityManager::NO_APP_ID)
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, mDetachedSubdocFrame(nullptr)
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, mRemoteBrowser(nullptr)
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, mChildID(0)
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, mEventMode(EVENT_MODE_NORMAL_DISPATCH)
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, mIsPrerendered(false)
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, mDepthTooGreat(false)
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, mIsTopLevelContent(false)
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, mDestroyCalled(false)
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, mNeedsAsyncDestroy(false)
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, mInSwap(false)
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, mInShow(false)
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, mHideCalled(false)
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, mNetworkCreated(aNetworkCreated)
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, mRemoteBrowserShown(false)
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, mRemoteFrame(false)
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, mClipSubdocument(true)
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, mClampScrollPosition(true)
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, mObservingOwnerContent(false)
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, mVisible(true)
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{
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mRemoteFrame = ShouldUseRemoteProcess();
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}
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nsFrameLoader::~nsFrameLoader()
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{
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if (mMessageManager) {
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mMessageManager->Disconnect();
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}
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MOZ_RELEASE_ASSERT(mDestroyCalled);
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}
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nsFrameLoader*
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nsFrameLoader::Create(Element* aOwner, bool aNetworkCreated)
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{
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NS_ENSURE_TRUE(aOwner, nullptr);
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nsIDocument* doc = aOwner->OwnerDoc();
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// We never create nsFrameLoaders for elements in resource documents.
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//
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// We never create nsFrameLoaders for elements in data documents, unless the
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// document is a static document.
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// Static documents are an exception because any sub-documents need an
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// nsFrameLoader to keep the relevant docShell alive, even though the
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// nsFrameLoader isn't used to load anything (the sub-document is created by
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// the static clone process).
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//
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// We never create nsFrameLoaders for elements that are not
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// in-composed-document, unless the element belongs to a static document.
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// Static documents are an exception because this method is called at a point
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// in the static clone process before aOwner has been inserted into its
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// document. For other types of documents this wouldn't be a problem since
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// we'd create the nsFrameLoader as necessary after aOwner is inserted into a
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// document, but the mechanisms that take care of that don't apply for static
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// documents so we need to create the nsFrameLoader now. (This isn't wasteful
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// since for a static document we know aOwner will end up in a document and
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// the nsFrameLoader will be used for its docShell.)
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//
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NS_ENSURE_TRUE(!doc->IsResourceDoc() &&
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((!doc->IsLoadedAsData() && aOwner->IsInComposedDoc()) ||
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doc->IsStaticDocument()),
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nullptr);
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return new nsFrameLoader(aOwner, aNetworkCreated);
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}
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NS_IMETHODIMP
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nsFrameLoader::LoadFrame()
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{
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NS_ENSURE_TRUE(mOwnerContent, NS_ERROR_NOT_INITIALIZED);
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nsAutoString src;
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bool isSrcdoc = mOwnerContent->IsHTMLElement(nsGkAtoms::iframe) &&
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mOwnerContent->HasAttr(kNameSpaceID_None, nsGkAtoms::srcdoc);
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if (isSrcdoc) {
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src.AssignLiteral("about:srcdoc");
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}
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else {
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GetURL(src);
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src.Trim(" \t\n\r");
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if (src.IsEmpty()) {
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// If the frame is a XUL element and has the attribute 'nodefaultsrc=true'
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// then we will not use 'about:blank' as fallback but return early without
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// starting a load if no 'src' attribute is given (or it's empty).
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if (mOwnerContent->IsXULElement() &&
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mOwnerContent->AttrValueIs(kNameSpaceID_None, nsGkAtoms::nodefaultsrc,
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nsGkAtoms::_true, eCaseMatters)) {
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return NS_OK;
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}
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src.AssignLiteral("about:blank");
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}
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}
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nsIDocument* doc = mOwnerContent->OwnerDoc();
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if (doc->IsStaticDocument()) {
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return NS_OK;
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}
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if (doc->IsLoadedAsInteractiveData()) {
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// XBL bindings doc shouldn't load sub-documents.
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return NS_OK;
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}
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nsCOMPtr<nsIURI> base_uri = mOwnerContent->GetBaseURI();
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const nsAFlatCString &doc_charset = doc->GetDocumentCharacterSet();
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const char *charset = doc_charset.IsEmpty() ? nullptr : doc_charset.get();
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nsCOMPtr<nsIURI> uri;
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nsresult rv = NS_NewURI(getter_AddRefs(uri), src, charset, base_uri);
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// If the URI was malformed, try to recover by loading about:blank.
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if (rv == NS_ERROR_MALFORMED_URI) {
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rv = NS_NewURI(getter_AddRefs(uri), NS_LITERAL_STRING("about:blank"),
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charset, base_uri);
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}
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if (NS_SUCCEEDED(rv)) {
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rv = LoadURI(uri);
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}
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if (NS_FAILED(rv)) {
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FireErrorEvent();
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return rv;
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}
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return NS_OK;
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}
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void
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nsFrameLoader::FireErrorEvent()
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{
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if (!mOwnerContent) {
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return;
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}
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RefPtr<AsyncEventDispatcher > loadBlockingAsyncDispatcher =
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new LoadBlockingAsyncEventDispatcher(mOwnerContent,
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NS_LITERAL_STRING("error"),
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false, false);
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loadBlockingAsyncDispatcher->PostDOMEvent();
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}
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NS_IMETHODIMP
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nsFrameLoader::LoadURI(nsIURI* aURI)
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{
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if (!aURI)
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return NS_ERROR_INVALID_POINTER;
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NS_ENSURE_STATE(!mDestroyCalled && mOwnerContent);
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nsCOMPtr<nsIDocument> doc = mOwnerContent->OwnerDoc();
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nsresult rv = CheckURILoad(aURI);
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NS_ENSURE_SUCCESS(rv, rv);
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mURIToLoad = aURI;
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rv = doc->InitializeFrameLoader(this);
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if (NS_FAILED(rv)) {
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mURIToLoad = nullptr;
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}
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return rv;
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}
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NS_IMETHODIMP
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nsFrameLoader::SwitchProcessAndLoadURI(nsIURI* aURI, const nsACString& aPackageId)
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{
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RefPtr<TabParent> tp = nullptr;
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MutableTabContext context;
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nsresult rv = GetNewTabContext(&context, aURI, aPackageId);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<Element> ownerElement = mOwnerContent;
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tp = ContentParent::CreateBrowserOrApp(context, ownerElement, nullptr);
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if (!tp) {
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return NS_ERROR_FAILURE;
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}
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mRemoteBrowserShown = false;
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rv = SwapRemoteBrowser(tp);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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LoadURI(aURI);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsFrameLoader::SetIsPrerendered()
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{
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MOZ_ASSERT(!mDocShell, "Please call SetIsPrerendered before docShell is created");
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mIsPrerendered = true;
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return NS_OK;
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}
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NS_IMETHODIMP
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nsFrameLoader::MakePrerenderedLoaderActive()
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{
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MOZ_ASSERT(mIsPrerendered, "This frameloader was not in prerendered mode.");
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mIsPrerendered = false;
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if (IsRemoteFrame()) {
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if (!mRemoteBrowser) {
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NS_WARNING("Missing remote browser.");
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return NS_ERROR_FAILURE;
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}
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mRemoteBrowser->SetDocShellIsActive(true);
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} else {
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if (!mDocShell) {
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NS_WARNING("Missing docshell.");
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return NS_ERROR_FAILURE;
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}
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nsresult rv = mDocShell->SetIsActive(true);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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return NS_OK;
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}
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nsresult
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nsFrameLoader::ReallyStartLoading()
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{
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nsresult rv = ReallyStartLoadingInternal();
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if (NS_FAILED(rv)) {
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FireErrorEvent();
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}
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return rv;
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}
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nsresult
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nsFrameLoader::ReallyStartLoadingInternal()
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{
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NS_ENSURE_STATE(mURIToLoad && mOwnerContent && mOwnerContent->IsInComposedDoc());
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PROFILER_LABEL("nsFrameLoader", "ReallyStartLoading",
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js::ProfileEntry::Category::OTHER);
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if (IsRemoteFrame()) {
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if (!mRemoteBrowser && !TryRemoteBrowser()) {
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NS_WARNING("Couldn't create child process for iframe.");
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return NS_ERROR_FAILURE;
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}
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// FIXME get error codes from child
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mRemoteBrowser->LoadURL(mURIToLoad);
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if (!mRemoteBrowserShown && !ShowRemoteFrame(ScreenIntSize(0, 0))) {
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NS_WARNING("[nsFrameLoader] ReallyStartLoadingInternal tried but couldn't show remote browser.\n");
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}
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return NS_OK;
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}
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nsresult rv = MaybeCreateDocShell();
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if (NS_FAILED(rv)) {
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return rv;
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}
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NS_ASSERTION(mDocShell,
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"MaybeCreateDocShell succeeded with a null mDocShell");
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// Just to be safe, recheck uri.
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rv = CheckURILoad(mURIToLoad);
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NS_ENSURE_SUCCESS(rv, rv);
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nsCOMPtr<nsIDocShellLoadInfo> loadInfo;
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mDocShell->CreateLoadInfo(getter_AddRefs(loadInfo));
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NS_ENSURE_TRUE(loadInfo, NS_ERROR_FAILURE);
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// If this frame is sandboxed with respect to origin we will set it up with
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// a null principal later in nsDocShell::DoURILoad.
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// We do it there to correctly sandbox content that was loaded into
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// the frame via other methods than the src attribute.
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// We'll use our principal, not that of the document loaded inside us. This
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// is very important; needed to prevent XSS attacks on documents loaded in
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// subframes!
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loadInfo->SetTriggeringPrincipal(mOwnerContent->NodePrincipal());
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nsCOMPtr<nsIURI> referrer;
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nsAutoString srcdoc;
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bool isSrcdoc = mOwnerContent->IsHTMLElement(nsGkAtoms::iframe) &&
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mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::srcdoc,
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srcdoc);
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if (isSrcdoc) {
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nsAutoString referrerStr;
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mOwnerContent->OwnerDoc()->GetReferrer(referrerStr);
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rv = NS_NewURI(getter_AddRefs(referrer), referrerStr);
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loadInfo->SetSrcdocData(srcdoc);
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nsCOMPtr<nsIURI> baseURI = mOwnerContent->GetBaseURI();
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loadInfo->SetBaseURI(baseURI);
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}
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else {
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rv = mOwnerContent->NodePrincipal()->GetURI(getter_AddRefs(referrer));
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NS_ENSURE_SUCCESS(rv, rv);
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}
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// Use referrer as long as it is not an nsNullPrincipalURI.
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// We could add a method such as GetReferrerURI to principals to make this
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// cleaner, but given that we need to start using Source Browsing Context for
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// referrer (see Bug 960639) this may be wasted effort at this stage.
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if (referrer) {
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bool isNullPrincipalScheme;
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rv = referrer->SchemeIs(NS_NULLPRINCIPAL_SCHEME, &isNullPrincipalScheme);
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if (NS_SUCCEEDED(rv) && !isNullPrincipalScheme) {
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loadInfo->SetReferrer(referrer);
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}
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}
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// get referrer policy for this iframe:
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// first load document wide policy, then
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// load iframe referrer attribute if enabled in preferences
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// per element referrer overrules document wide referrer if enabled
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net::ReferrerPolicy referrerPolicy = mOwnerContent->OwnerDoc()->GetReferrerPolicy();
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HTMLIFrameElement* iframe = HTMLIFrameElement::FromContent(mOwnerContent);
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if (iframe) {
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net::ReferrerPolicy iframeReferrerPolicy = iframe->GetReferrerPolicyAsEnum();
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if (iframeReferrerPolicy != net::RP_Unset) {
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referrerPolicy = iframeReferrerPolicy;
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}
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}
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loadInfo->SetReferrerPolicy(referrerPolicy);
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// Default flags:
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int32_t flags = nsIWebNavigation::LOAD_FLAGS_NONE;
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// Flags for browser frame:
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if (OwnerIsMozBrowserFrame()) {
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flags = nsIWebNavigation::LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP |
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nsIWebNavigation::LOAD_FLAGS_DISALLOW_INHERIT_PRINCIPAL;
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}
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// Kick off the load...
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bool tmpState = mNeedsAsyncDestroy;
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mNeedsAsyncDestroy = true;
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nsCOMPtr<nsIURI> uriToLoad = mURIToLoad;
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rv = mDocShell->LoadURI(uriToLoad, loadInfo, flags, false);
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mNeedsAsyncDestroy = tmpState;
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mURIToLoad = nullptr;
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NS_ENSURE_SUCCESS(rv, rv);
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|
|
// Track the appId's reference count if this frame is in-process
|
|
ResetPermissionManagerStatus();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::CheckURILoad(nsIURI* aURI)
|
|
{
|
|
// Check for security. The fun part is trying to figure out what principals
|
|
// to use. The way I figure it, if we're doing a LoadFrame() accidentally
|
|
// (eg someone created a frame/iframe node, we're being parsed, XUL iframes
|
|
// are being reframed, etc.) then we definitely want to use the node
|
|
// principal of mOwnerContent for security checks. If, on the other hand,
|
|
// someone's setting the src on our owner content, or created it via script,
|
|
// or whatever, then they can clearly access it... and we should still use
|
|
// the principal of mOwnerContent. I don't think that leads to privilege
|
|
// escalation, and it's reasonably guaranteed to not lead to XSS issues
|
|
// (since caller can already access mOwnerContent in this case). So just use
|
|
// the principal of mOwnerContent no matter what. If script wants to run
|
|
// things with its own permissions, which differ from those of mOwnerContent
|
|
// (which means the script is privileged in some way) it should set
|
|
// window.location instead.
|
|
nsIScriptSecurityManager *secMan = nsContentUtils::GetSecurityManager();
|
|
|
|
// Get our principal
|
|
nsIPrincipal* principal = mOwnerContent->NodePrincipal();
|
|
|
|
// Check if we are allowed to load absURL
|
|
nsresult rv =
|
|
secMan->CheckLoadURIWithPrincipal(principal, aURI,
|
|
nsIScriptSecurityManager::STANDARD);
|
|
if (NS_FAILED(rv)) {
|
|
return rv; // We're not
|
|
}
|
|
|
|
// Bail out if this is an infinite recursion scenario
|
|
if (IsRemoteFrame()) {
|
|
return NS_OK;
|
|
}
|
|
return CheckForRecursiveLoad(aURI);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetDocShell(nsIDocShell **aDocShell)
|
|
{
|
|
*aDocShell = nullptr;
|
|
nsresult rv = NS_OK;
|
|
|
|
if (IsRemoteFrame()) {
|
|
return rv;
|
|
}
|
|
|
|
// If we have an owner, make sure we have a docshell and return
|
|
// that. If not, we're most likely in the middle of being torn down,
|
|
// then we just return null.
|
|
if (mOwnerContent) {
|
|
nsresult rv = MaybeCreateDocShell();
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
NS_ASSERTION(mDocShell,
|
|
"MaybeCreateDocShell succeeded, but null mDocShell");
|
|
}
|
|
|
|
*aDocShell = mDocShell;
|
|
NS_IF_ADDREF(*aDocShell);
|
|
|
|
return rv;
|
|
}
|
|
|
|
static void
|
|
SetTreeOwnerAndChromeEventHandlerOnDocshellTree(nsIDocShellTreeItem* aItem,
|
|
nsIDocShellTreeOwner* aOwner,
|
|
EventTarget* aHandler)
|
|
{
|
|
NS_PRECONDITION(aItem, "Must have item");
|
|
|
|
aItem->SetTreeOwner(aOwner);
|
|
|
|
int32_t childCount = 0;
|
|
aItem->GetChildCount(&childCount);
|
|
for (int32_t i = 0; i < childCount; ++i) {
|
|
nsCOMPtr<nsIDocShellTreeItem> item;
|
|
aItem->GetChildAt(i, getter_AddRefs(item));
|
|
if (aHandler) {
|
|
nsCOMPtr<nsIDocShell> shell(do_QueryInterface(item));
|
|
shell->SetChromeEventHandler(aHandler);
|
|
}
|
|
SetTreeOwnerAndChromeEventHandlerOnDocshellTree(item, aOwner, aHandler);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Set the type of the treeitem and hook it up to the treeowner.
|
|
* @param aItem the treeitem we're working with
|
|
* @param aTreeOwner the relevant treeowner; might be null
|
|
* @param aParentType the nsIDocShellTreeItem::GetType of our parent docshell
|
|
* @param aParentNode if non-null, the docshell we should be added as a child to
|
|
*
|
|
* @return whether aItem is top-level content
|
|
*/
|
|
bool
|
|
nsFrameLoader::AddTreeItemToTreeOwner(nsIDocShellTreeItem* aItem,
|
|
nsIDocShellTreeOwner* aOwner,
|
|
int32_t aParentType,
|
|
nsIDocShell* aParentNode)
|
|
{
|
|
NS_PRECONDITION(aItem, "Must have docshell treeitem");
|
|
NS_PRECONDITION(mOwnerContent, "Must have owning content");
|
|
|
|
nsAutoString value;
|
|
bool isContent = false;
|
|
mOwnerContent->GetAttr(kNameSpaceID_None, TypeAttrName(), value);
|
|
|
|
// we accept "content" and "content-xxx" values.
|
|
// at time of writing, we expect "xxx" to be "primary" or "targetable", but
|
|
// someday it might be an integer expressing priority or something else.
|
|
|
|
isContent = value.LowerCaseEqualsLiteral("content") ||
|
|
StringBeginsWith(value, NS_LITERAL_STRING("content-"),
|
|
nsCaseInsensitiveStringComparator());
|
|
|
|
// Force mozbrowser frames to always be typeContent, even if the
|
|
// mozbrowser interfaces are disabled.
|
|
nsCOMPtr<nsIDOMMozBrowserFrame> mozbrowser =
|
|
do_QueryInterface(mOwnerContent);
|
|
if (mozbrowser) {
|
|
bool isMozbrowser = false;
|
|
mozbrowser->GetMozbrowser(&isMozbrowser);
|
|
isContent |= isMozbrowser;
|
|
}
|
|
|
|
if (isContent) {
|
|
// The web shell's type is content.
|
|
|
|
aItem->SetItemType(nsIDocShellTreeItem::typeContent);
|
|
} else {
|
|
// Inherit our type from our parent docshell. If it is
|
|
// chrome, we'll be chrome. If it is content, we'll be
|
|
// content.
|
|
|
|
aItem->SetItemType(aParentType);
|
|
}
|
|
|
|
// Now that we have our type set, add ourselves to the parent, as needed.
|
|
if (aParentNode) {
|
|
aParentNode->AddChild(aItem);
|
|
}
|
|
|
|
bool retval = false;
|
|
if (aParentType == nsIDocShellTreeItem::typeChrome && isContent) {
|
|
retval = true;
|
|
|
|
bool is_primary = value.LowerCaseEqualsLiteral("content-primary");
|
|
|
|
if (aOwner) {
|
|
bool is_targetable = is_primary ||
|
|
value.LowerCaseEqualsLiteral("content-targetable");
|
|
mOwnerContent->AddMutationObserver(this);
|
|
mObservingOwnerContent = true;
|
|
aOwner->ContentShellAdded(aItem, is_primary, is_targetable, value);
|
|
}
|
|
}
|
|
|
|
return retval;
|
|
}
|
|
|
|
static bool
|
|
AllDescendantsOfType(nsIDocShellTreeItem* aParentItem, int32_t aType)
|
|
{
|
|
int32_t childCount = 0;
|
|
aParentItem->GetChildCount(&childCount);
|
|
|
|
for (int32_t i = 0; i < childCount; ++i) {
|
|
nsCOMPtr<nsIDocShellTreeItem> kid;
|
|
aParentItem->GetChildAt(i, getter_AddRefs(kid));
|
|
|
|
if (kid->ItemType() != aType || !AllDescendantsOfType(kid, aType)) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
/**
|
|
* A class that automatically sets mInShow to false when it goes
|
|
* out of scope.
|
|
*/
|
|
class MOZ_RAII AutoResetInShow {
|
|
private:
|
|
nsFrameLoader* mFrameLoader;
|
|
MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER
|
|
public:
|
|
explicit AutoResetInShow(nsFrameLoader* aFrameLoader MOZ_GUARD_OBJECT_NOTIFIER_PARAM)
|
|
: mFrameLoader(aFrameLoader)
|
|
{
|
|
MOZ_GUARD_OBJECT_NOTIFIER_INIT;
|
|
}
|
|
~AutoResetInShow() { mFrameLoader->mInShow = false; }
|
|
};
|
|
|
|
|
|
bool
|
|
nsFrameLoader::Show(int32_t marginWidth, int32_t marginHeight,
|
|
int32_t scrollbarPrefX, int32_t scrollbarPrefY,
|
|
nsSubDocumentFrame* frame)
|
|
{
|
|
if (mInShow) {
|
|
return false;
|
|
}
|
|
// Reset mInShow if we exit early.
|
|
AutoResetInShow resetInShow(this);
|
|
mInShow = true;
|
|
|
|
ScreenIntSize size = frame->GetSubdocumentSize();
|
|
if (IsRemoteFrame()) {
|
|
return ShowRemoteFrame(size, frame);
|
|
}
|
|
|
|
nsresult rv = MaybeCreateDocShell();
|
|
if (NS_FAILED(rv)) {
|
|
return false;
|
|
}
|
|
NS_ASSERTION(mDocShell,
|
|
"MaybeCreateDocShell succeeded, but null mDocShell");
|
|
if (!mDocShell) {
|
|
return false;
|
|
}
|
|
|
|
mDocShell->SetMarginWidth(marginWidth);
|
|
mDocShell->SetMarginHeight(marginHeight);
|
|
|
|
nsCOMPtr<nsIScrollable> sc = do_QueryInterface(mDocShell);
|
|
if (sc) {
|
|
sc->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_X,
|
|
scrollbarPrefX);
|
|
sc->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_Y,
|
|
scrollbarPrefY);
|
|
}
|
|
|
|
nsCOMPtr<nsIPresShell> presShell = mDocShell->GetPresShell();
|
|
if (presShell) {
|
|
// Ensure root scroll frame is reflowed in case scroll preferences or
|
|
// margins have changed
|
|
nsIFrame* rootScrollFrame = presShell->GetRootScrollFrame();
|
|
if (rootScrollFrame) {
|
|
presShell->FrameNeedsReflow(rootScrollFrame, nsIPresShell::eResize,
|
|
NS_FRAME_IS_DIRTY);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
nsView* view = frame->EnsureInnerView();
|
|
if (!view)
|
|
return false;
|
|
|
|
nsCOMPtr<nsIBaseWindow> baseWindow = do_QueryInterface(mDocShell);
|
|
NS_ASSERTION(baseWindow, "Found a nsIDocShell that isn't a nsIBaseWindow.");
|
|
baseWindow->InitWindow(nullptr, view->GetWidget(), 0, 0,
|
|
size.width, size.height);
|
|
// This is kinda whacky, this "Create()" call doesn't really
|
|
// create anything, one starts to wonder why this was named
|
|
// "Create"...
|
|
baseWindow->Create();
|
|
baseWindow->SetVisibility(true);
|
|
NS_ENSURE_TRUE(mDocShell, false);
|
|
|
|
// Trigger editor re-initialization if midas is turned on in the
|
|
// sub-document. This shouldn't be necessary, but given the way our
|
|
// editor works, it is. See
|
|
// https://bugzilla.mozilla.org/show_bug.cgi?id=284245
|
|
presShell = mDocShell->GetPresShell();
|
|
if (presShell) {
|
|
nsCOMPtr<nsIDOMHTMLDocument> doc =
|
|
do_QueryInterface(presShell->GetDocument());
|
|
|
|
if (doc) {
|
|
nsAutoString designMode;
|
|
doc->GetDesignMode(designMode);
|
|
|
|
if (designMode.EqualsLiteral("on")) {
|
|
// Hold on to the editor object to let the document reattach to the
|
|
// same editor object, instead of creating a new one.
|
|
nsCOMPtr<nsIEditor> editor;
|
|
nsresult rv = mDocShell->GetEditor(getter_AddRefs(editor));
|
|
NS_ENSURE_SUCCESS(rv, false);
|
|
|
|
doc->SetDesignMode(NS_LITERAL_STRING("off"));
|
|
doc->SetDesignMode(NS_LITERAL_STRING("on"));
|
|
} else {
|
|
// Re-initialize the presentation for contenteditable documents
|
|
bool editable = false,
|
|
hasEditingSession = false;
|
|
mDocShell->GetEditable(&editable);
|
|
mDocShell->GetHasEditingSession(&hasEditingSession);
|
|
nsCOMPtr<nsIEditor> editor;
|
|
mDocShell->GetEditor(getter_AddRefs(editor));
|
|
if (editable && hasEditingSession && editor) {
|
|
editor->PostCreate();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
mInShow = false;
|
|
if (mHideCalled) {
|
|
mHideCalled = false;
|
|
Hide();
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::MarginsChanged(uint32_t aMarginWidth,
|
|
uint32_t aMarginHeight)
|
|
{
|
|
// We assume that the margins are always zero for remote frames.
|
|
if (IsRemoteFrame())
|
|
return;
|
|
|
|
// If there's no docshell, we're probably not up and running yet.
|
|
// nsFrameLoader::Show() will take care of setting the right
|
|
// margins.
|
|
if (!mDocShell)
|
|
return;
|
|
|
|
// Set the margins
|
|
mDocShell->SetMarginWidth(aMarginWidth);
|
|
mDocShell->SetMarginHeight(aMarginHeight);
|
|
|
|
// Trigger a restyle if there's a prescontext
|
|
// FIXME: This could do something much less expensive.
|
|
RefPtr<nsPresContext> presContext;
|
|
mDocShell->GetPresContext(getter_AddRefs(presContext));
|
|
if (presContext)
|
|
presContext->RebuildAllStyleData(nsChangeHint(0), eRestyle_Subtree);
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::ShowRemoteFrame(const ScreenIntSize& size,
|
|
nsSubDocumentFrame *aFrame)
|
|
{
|
|
PROFILER_LABEL_FUNC(js::ProfileEntry::Category::GRAPHICS);
|
|
NS_ASSERTION(IsRemoteFrame(), "ShowRemote only makes sense on remote frames.");
|
|
|
|
if (!mRemoteBrowser && !TryRemoteBrowser()) {
|
|
NS_ERROR("Couldn't create child process.");
|
|
return false;
|
|
}
|
|
|
|
// FIXME/bug 589337: Show()/Hide() is pretty expensive for
|
|
// cross-process layers; need to figure out what behavior we really
|
|
// want here. For now, hack.
|
|
if (!mRemoteBrowserShown) {
|
|
if (!mOwnerContent ||
|
|
!mOwnerContent->GetComposedDoc()) {
|
|
return false;
|
|
}
|
|
|
|
RefPtr<layers::LayerManager> layerManager =
|
|
nsContentUtils::LayerManagerForDocument(mOwnerContent->GetComposedDoc());
|
|
if (!layerManager) {
|
|
// This is just not going to work.
|
|
return false;
|
|
}
|
|
|
|
nsPIDOMWindowOuter* win = mOwnerContent->OwnerDoc()->GetWindow();
|
|
bool parentIsActive = false;
|
|
if (win) {
|
|
nsCOMPtr<nsPIWindowRoot> windowRoot =
|
|
nsGlobalWindow::Cast(win)->GetTopWindowRoot();
|
|
if (windowRoot) {
|
|
nsPIDOMWindowOuter* topWin = windowRoot->GetWindow();
|
|
parentIsActive = topWin && topWin->IsActive();
|
|
}
|
|
}
|
|
mRemoteBrowser->Show(size, parentIsActive);
|
|
mRemoteBrowserShown = true;
|
|
|
|
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
|
|
if (os) {
|
|
os->NotifyObservers(NS_ISUPPORTS_CAST(nsIFrameLoader*, this),
|
|
"remote-browser-shown", nullptr);
|
|
}
|
|
} else {
|
|
nsIntRect dimensions;
|
|
NS_ENSURE_SUCCESS(GetWindowDimensions(dimensions), false);
|
|
|
|
// Don't show remote iframe if we are waiting for the completion of reflow.
|
|
if (!aFrame || !(aFrame->GetStateBits() & NS_FRAME_FIRST_REFLOW)) {
|
|
mRemoteBrowser->UpdateDimensions(dimensions, size);
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::Hide()
|
|
{
|
|
if (mHideCalled) {
|
|
return;
|
|
}
|
|
if (mInShow) {
|
|
mHideCalled = true;
|
|
return;
|
|
}
|
|
|
|
if (!mDocShell)
|
|
return;
|
|
|
|
nsCOMPtr<nsIContentViewer> contentViewer;
|
|
mDocShell->GetContentViewer(getter_AddRefs(contentViewer));
|
|
if (contentViewer)
|
|
contentViewer->SetSticky(false);
|
|
|
|
nsCOMPtr<nsIBaseWindow> baseWin = do_QueryInterface(mDocShell);
|
|
NS_ASSERTION(baseWin,
|
|
"Found an nsIDocShell which doesn't implement nsIBaseWindow.");
|
|
baseWin->SetVisibility(false);
|
|
baseWin->SetParentWidget(nullptr);
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::SwapWithOtherRemoteLoader(nsFrameLoader* aOther,
|
|
RefPtr<nsFrameLoader>& aFirstToSwap,
|
|
RefPtr<nsFrameLoader>& aSecondToSwap)
|
|
{
|
|
MOZ_ASSERT(NS_IsMainThread());
|
|
|
|
Element* ourContent = mOwnerContent;
|
|
Element* otherContent = aOther->mOwnerContent;
|
|
|
|
if (!ourContent || !otherContent) {
|
|
// Can't handle this
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// Make sure there are no same-origin issues
|
|
bool equal;
|
|
nsresult rv =
|
|
ourContent->NodePrincipal()->Equals(otherContent->NodePrincipal(), &equal);
|
|
if (NS_FAILED(rv) || !equal) {
|
|
// Security problems loom. Just bail on it all
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
nsIDocument* ourDoc = ourContent->GetComposedDoc();
|
|
nsIDocument* otherDoc = otherContent->GetComposedDoc();
|
|
if (!ourDoc || !otherDoc) {
|
|
// Again, how odd, given that we had docshells
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
nsIPresShell* ourShell = ourDoc->GetShell();
|
|
nsIPresShell* otherShell = otherDoc->GetShell();
|
|
if (!ourShell || !otherShell) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
if (mRemoteBrowser->IsIsolatedMozBrowserElement() !=
|
|
aOther->mRemoteBrowser->IsIsolatedMozBrowserElement() ||
|
|
mRemoteBrowser->HasOwnApp() != aOther->mRemoteBrowser->HasOwnApp()) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// When we swap docShells, maybe we have to deal with a new page created just
|
|
// for this operation. In this case, the browser code should already have set
|
|
// the correct userContextId attribute value in the owning XULElement, but our
|
|
// docShell, that has been created way before) doesn't know that that
|
|
// happened.
|
|
// This is the reason why now we must retrieve the correct value from the
|
|
// usercontextid attribute before comparing our originAttributes with the
|
|
// other one.
|
|
DocShellOriginAttributes ourOriginAttributes =
|
|
mRemoteBrowser->OriginAttributesRef();
|
|
rv = PopulateUserContextIdFromAttribute(ourOriginAttributes);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
|
|
DocShellOriginAttributes otherOriginAttributes =
|
|
aOther->mRemoteBrowser->OriginAttributesRef();
|
|
rv = aOther->PopulateUserContextIdFromAttribute(otherOriginAttributes);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
|
|
if (ourOriginAttributes != otherOriginAttributes) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
bool ourHasHistory =
|
|
mIsTopLevelContent &&
|
|
ourContent->IsXULElement(nsGkAtoms::browser) &&
|
|
!ourContent->HasAttr(kNameSpaceID_None, nsGkAtoms::disablehistory);
|
|
bool otherHasHistory =
|
|
aOther->mIsTopLevelContent &&
|
|
otherContent->IsXULElement(nsGkAtoms::browser) &&
|
|
!otherContent->HasAttr(kNameSpaceID_None, nsGkAtoms::disablehistory);
|
|
if (ourHasHistory != otherHasHistory) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
if (mInSwap || aOther->mInSwap) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
mInSwap = aOther->mInSwap = true;
|
|
|
|
nsIFrame* ourFrame = ourContent->GetPrimaryFrame();
|
|
nsIFrame* otherFrame = otherContent->GetPrimaryFrame();
|
|
if (!ourFrame || !otherFrame) {
|
|
mInSwap = aOther->mInSwap = false;
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
nsSubDocumentFrame* ourFrameFrame = do_QueryFrame(ourFrame);
|
|
if (!ourFrameFrame) {
|
|
mInSwap = aOther->mInSwap = false;
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
rv = ourFrameFrame->BeginSwapDocShells(otherFrame);
|
|
if (NS_FAILED(rv)) {
|
|
mInSwap = aOther->mInSwap = false;
|
|
return rv;
|
|
}
|
|
|
|
mRemoteBrowser->SwapLayerTreeObservers(aOther->mRemoteBrowser);
|
|
|
|
nsCOMPtr<nsIBrowserDOMWindow> otherBrowserDOMWindow =
|
|
aOther->mRemoteBrowser->GetBrowserDOMWindow();
|
|
nsCOMPtr<nsIBrowserDOMWindow> browserDOMWindow =
|
|
mRemoteBrowser->GetBrowserDOMWindow();
|
|
|
|
if (!!otherBrowserDOMWindow != !!browserDOMWindow) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
aOther->mRemoteBrowser->SetBrowserDOMWindow(browserDOMWindow);
|
|
mRemoteBrowser->SetBrowserDOMWindow(otherBrowserDOMWindow);
|
|
|
|
// Native plugin windows used by this remote content need to be reparented.
|
|
if (nsPIDOMWindowOuter* newWin = ourDoc->GetWindow()) {
|
|
RefPtr<nsIWidget> newParent = nsGlobalWindow::Cast(newWin)->GetMainWidget();
|
|
const ManagedContainer<mozilla::plugins::PPluginWidgetParent>& plugins =
|
|
aOther->mRemoteBrowser->ManagedPPluginWidgetParent();
|
|
for (auto iter = plugins.ConstIter(); !iter.Done(); iter.Next()) {
|
|
static_cast<mozilla::plugins::PluginWidgetParent*>(iter.Get()->GetKey())->SetParent(newParent);
|
|
}
|
|
}
|
|
|
|
MaybeUpdatePrimaryTabParent(eTabParentRemoved);
|
|
aOther->MaybeUpdatePrimaryTabParent(eTabParentRemoved);
|
|
|
|
SetOwnerContent(otherContent);
|
|
aOther->SetOwnerContent(ourContent);
|
|
|
|
mRemoteBrowser->SetOwnerElement(otherContent);
|
|
aOther->mRemoteBrowser->SetOwnerElement(ourContent);
|
|
|
|
MaybeUpdatePrimaryTabParent(eTabParentChanged);
|
|
aOther->MaybeUpdatePrimaryTabParent(eTabParentChanged);
|
|
|
|
RefPtr<nsFrameMessageManager> ourMessageManager = mMessageManager;
|
|
RefPtr<nsFrameMessageManager> otherMessageManager = aOther->mMessageManager;
|
|
// Swap and setup things in parent message managers.
|
|
if (mMessageManager) {
|
|
mMessageManager->SetCallback(aOther);
|
|
}
|
|
if (aOther->mMessageManager) {
|
|
aOther->mMessageManager->SetCallback(this);
|
|
}
|
|
mMessageManager.swap(aOther->mMessageManager);
|
|
|
|
aFirstToSwap.swap(aSecondToSwap);
|
|
|
|
ourFrameFrame->EndSwapDocShells(otherFrame);
|
|
|
|
ourShell->BackingScaleFactorChanged();
|
|
otherShell->BackingScaleFactorChanged();
|
|
|
|
ourDoc->FlushPendingNotifications(Flush_Layout);
|
|
otherDoc->FlushPendingNotifications(Flush_Layout);
|
|
|
|
// Initialize browser API if needed now that owner content has changed.
|
|
InitializeBrowserAPI();
|
|
aOther->InitializeBrowserAPI();
|
|
|
|
mInSwap = aOther->mInSwap = false;
|
|
|
|
// Send an updated tab context since owner content type may have changed.
|
|
MutableTabContext ourContext;
|
|
rv = GetNewTabContext(&ourContext);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
MutableTabContext otherContext;
|
|
rv = aOther->GetNewTabContext(&otherContext);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
|
|
Unused << mRemoteBrowser->SendSwappedWithOtherRemoteLoader(
|
|
ourContext.AsIPCTabContext());
|
|
Unused << aOther->mRemoteBrowser->SendSwappedWithOtherRemoteLoader(
|
|
otherContext.AsIPCTabContext());
|
|
return NS_OK;
|
|
}
|
|
|
|
class MOZ_RAII AutoResetInFrameSwap final
|
|
{
|
|
public:
|
|
AutoResetInFrameSwap(nsFrameLoader* aThisFrameLoader,
|
|
nsFrameLoader* aOtherFrameLoader,
|
|
nsDocShell* aThisDocShell,
|
|
nsDocShell* aOtherDocShell,
|
|
EventTarget* aThisEventTarget,
|
|
EventTarget* aOtherEventTarget
|
|
MOZ_GUARD_OBJECT_NOTIFIER_PARAM)
|
|
: mThisFrameLoader(aThisFrameLoader)
|
|
, mOtherFrameLoader(aOtherFrameLoader)
|
|
, mThisDocShell(aThisDocShell)
|
|
, mOtherDocShell(aOtherDocShell)
|
|
, mThisEventTarget(aThisEventTarget)
|
|
, mOtherEventTarget(aOtherEventTarget)
|
|
{
|
|
MOZ_GUARD_OBJECT_NOTIFIER_INIT;
|
|
|
|
mThisFrameLoader->mInSwap = true;
|
|
mOtherFrameLoader->mInSwap = true;
|
|
mThisDocShell->SetInFrameSwap(true);
|
|
mOtherDocShell->SetInFrameSwap(true);
|
|
|
|
// Fire pageshow events on still-loading pages, and then fire pagehide
|
|
// events. Note that we do NOT fire these in the normal way, but just fire
|
|
// them on the chrome event handlers.
|
|
nsContentUtils::FirePageShowEvent(mThisDocShell, mThisEventTarget, false);
|
|
nsContentUtils::FirePageShowEvent(mOtherDocShell, mOtherEventTarget, false);
|
|
nsContentUtils::FirePageHideEvent(mThisDocShell, mThisEventTarget);
|
|
nsContentUtils::FirePageHideEvent(mOtherDocShell, mOtherEventTarget);
|
|
}
|
|
|
|
~AutoResetInFrameSwap()
|
|
{
|
|
nsContentUtils::FirePageShowEvent(mThisDocShell, mThisEventTarget, true);
|
|
nsContentUtils::FirePageShowEvent(mOtherDocShell, mOtherEventTarget, true);
|
|
|
|
mThisFrameLoader->mInSwap = false;
|
|
mOtherFrameLoader->mInSwap = false;
|
|
mThisDocShell->SetInFrameSwap(false);
|
|
mOtherDocShell->SetInFrameSwap(false);
|
|
}
|
|
|
|
private:
|
|
RefPtr<nsFrameLoader> mThisFrameLoader;
|
|
RefPtr<nsFrameLoader> mOtherFrameLoader;
|
|
RefPtr<nsDocShell> mThisDocShell;
|
|
RefPtr<nsDocShell> mOtherDocShell;
|
|
nsCOMPtr<EventTarget> mThisEventTarget;
|
|
nsCOMPtr<EventTarget> mOtherEventTarget;
|
|
MOZ_DECL_USE_GUARD_OBJECT_NOTIFIER
|
|
};
|
|
|
|
nsresult
|
|
nsFrameLoader::SwapWithOtherLoader(nsFrameLoader* aOther,
|
|
RefPtr<nsFrameLoader>& aFirstToSwap,
|
|
RefPtr<nsFrameLoader>& aSecondToSwap)
|
|
{
|
|
NS_PRECONDITION((aFirstToSwap == this && aSecondToSwap == aOther) ||
|
|
(aFirstToSwap == aOther && aSecondToSwap == this),
|
|
"Swapping some sort of random loaders?");
|
|
NS_ENSURE_STATE(!mInShow && !aOther->mInShow);
|
|
|
|
if (IsRemoteFrame() != aOther->IsRemoteFrame()) {
|
|
NS_WARNING("Swapping remote and non-remote frames is not currently supported");
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
Element* ourContent = mOwnerContent;
|
|
Element* otherContent = aOther->mOwnerContent;
|
|
|
|
if (!ourContent || !otherContent) {
|
|
// Can't handle this
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
bool ourHasSrcdoc = ourContent->IsHTMLElement(nsGkAtoms::iframe) &&
|
|
ourContent->HasAttr(kNameSpaceID_None, nsGkAtoms::srcdoc);
|
|
bool otherHasSrcdoc = otherContent->IsHTMLElement(nsGkAtoms::iframe) &&
|
|
otherContent->HasAttr(kNameSpaceID_None, nsGkAtoms::srcdoc);
|
|
if (ourHasSrcdoc || otherHasSrcdoc) {
|
|
// Ignore this case entirely for now, since we support XUL <-> HTML swapping
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
bool ourPassPointerEvents =
|
|
ourContent->AttrValueIs(kNameSpaceID_None,
|
|
nsGkAtoms::mozpasspointerevents,
|
|
nsGkAtoms::_true,
|
|
eCaseMatters);
|
|
bool otherPassPointerEvents =
|
|
otherContent->AttrValueIs(kNameSpaceID_None,
|
|
nsGkAtoms::mozpasspointerevents,
|
|
nsGkAtoms::_true,
|
|
eCaseMatters);
|
|
if (ourPassPointerEvents != otherPassPointerEvents) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
bool ourFullscreenAllowed =
|
|
ourContent->IsXULElement() ||
|
|
(OwnerIsMozBrowserOrAppFrame() &&
|
|
(ourContent->HasAttr(kNameSpaceID_None, nsGkAtoms::allowfullscreen) ||
|
|
ourContent->HasAttr(kNameSpaceID_None, nsGkAtoms::mozallowfullscreen)));
|
|
bool otherFullscreenAllowed =
|
|
otherContent->IsXULElement() ||
|
|
(aOther->OwnerIsMozBrowserOrAppFrame() &&
|
|
(otherContent->HasAttr(kNameSpaceID_None, nsGkAtoms::allowfullscreen) ||
|
|
otherContent->HasAttr(kNameSpaceID_None, nsGkAtoms::mozallowfullscreen)));
|
|
if (ourFullscreenAllowed != otherFullscreenAllowed) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// Divert to a separate path for the remaining steps in the remote case
|
|
if (IsRemoteFrame()) {
|
|
MOZ_ASSERT(aOther->IsRemoteFrame());
|
|
return SwapWithOtherRemoteLoader(aOther, aFirstToSwap, aSecondToSwap);
|
|
}
|
|
|
|
// Make sure there are no same-origin issues
|
|
bool equal;
|
|
nsresult rv =
|
|
ourContent->NodePrincipal()->Equals(otherContent->NodePrincipal(), &equal);
|
|
if (NS_FAILED(rv) || !equal) {
|
|
// Security problems loom. Just bail on it all
|
|
return NS_ERROR_DOM_SECURITY_ERR;
|
|
}
|
|
|
|
RefPtr<nsDocShell> ourDocshell = static_cast<nsDocShell*>(GetExistingDocShell());
|
|
RefPtr<nsDocShell> otherDocshell = static_cast<nsDocShell*>(aOther->GetExistingDocShell());
|
|
if (!ourDocshell || !otherDocshell) {
|
|
// How odd
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// To avoid having to mess with session history, avoid swapping
|
|
// frameloaders that don't correspond to root same-type docshells,
|
|
// unless both roots have session history disabled.
|
|
nsCOMPtr<nsIDocShellTreeItem> ourRootTreeItem, otherRootTreeItem;
|
|
ourDocshell->GetSameTypeRootTreeItem(getter_AddRefs(ourRootTreeItem));
|
|
otherDocshell->GetSameTypeRootTreeItem(getter_AddRefs(otherRootTreeItem));
|
|
nsCOMPtr<nsIWebNavigation> ourRootWebnav =
|
|
do_QueryInterface(ourRootTreeItem);
|
|
nsCOMPtr<nsIWebNavigation> otherRootWebnav =
|
|
do_QueryInterface(otherRootTreeItem);
|
|
|
|
if (!ourRootWebnav || !otherRootWebnav) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
nsCOMPtr<nsISHistory> ourHistory;
|
|
nsCOMPtr<nsISHistory> otherHistory;
|
|
ourRootWebnav->GetSessionHistory(getter_AddRefs(ourHistory));
|
|
otherRootWebnav->GetSessionHistory(getter_AddRefs(otherHistory));
|
|
|
|
if ((ourRootTreeItem != ourDocshell || otherRootTreeItem != otherDocshell) &&
|
|
(ourHistory || otherHistory)) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// Also make sure that the two docshells are the same type. Otherwise
|
|
// swapping is certainly not safe. If this needs to be changed then
|
|
// the code below needs to be audited as it assumes identical types.
|
|
int32_t ourType = ourDocshell->ItemType();
|
|
int32_t otherType = otherDocshell->ItemType();
|
|
if (ourType != otherType) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// One more twist here. Setting up the right treeowners in a heterogeneous
|
|
// tree is a bit of a pain. So make sure that if ourType is not
|
|
// nsIDocShellTreeItem::typeContent then all of our descendants are the same
|
|
// type as us.
|
|
if (ourType != nsIDocShellTreeItem::typeContent &&
|
|
(!AllDescendantsOfType(ourDocshell, ourType) ||
|
|
!AllDescendantsOfType(otherDocshell, otherType))) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// Save off the tree owners, frame elements, chrome event handlers, and
|
|
// docshell and document parents before doing anything else.
|
|
nsCOMPtr<nsIDocShellTreeOwner> ourOwner, otherOwner;
|
|
ourDocshell->GetTreeOwner(getter_AddRefs(ourOwner));
|
|
otherDocshell->GetTreeOwner(getter_AddRefs(otherOwner));
|
|
// Note: it's OK to have null treeowners.
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> ourParentItem, otherParentItem;
|
|
ourDocshell->GetParent(getter_AddRefs(ourParentItem));
|
|
otherDocshell->GetParent(getter_AddRefs(otherParentItem));
|
|
if (!ourParentItem || !otherParentItem) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// Make sure our parents are the same type too
|
|
int32_t ourParentType = ourParentItem->ItemType();
|
|
int32_t otherParentType = otherParentItem->ItemType();
|
|
if (ourParentType != otherParentType) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> ourWindow = ourDocshell->GetWindow();
|
|
nsCOMPtr<nsPIDOMWindowOuter> otherWindow = otherDocshell->GetWindow();
|
|
|
|
nsCOMPtr<Element> ourFrameElement =
|
|
ourWindow->GetFrameElementInternal();
|
|
nsCOMPtr<Element> otherFrameElement =
|
|
otherWindow->GetFrameElementInternal();
|
|
|
|
nsCOMPtr<EventTarget> ourChromeEventHandler =
|
|
do_QueryInterface(ourWindow->GetChromeEventHandler());
|
|
nsCOMPtr<EventTarget> otherChromeEventHandler =
|
|
do_QueryInterface(otherWindow->GetChromeEventHandler());
|
|
|
|
nsCOMPtr<EventTarget> ourEventTarget = ourWindow->GetParentTarget();
|
|
nsCOMPtr<EventTarget> otherEventTarget = otherWindow->GetParentTarget();
|
|
|
|
NS_ASSERTION(SameCOMIdentity(ourFrameElement, ourContent) &&
|
|
SameCOMIdentity(otherFrameElement, otherContent) &&
|
|
SameCOMIdentity(ourChromeEventHandler, ourContent) &&
|
|
SameCOMIdentity(otherChromeEventHandler, otherContent),
|
|
"How did that happen, exactly?");
|
|
|
|
nsCOMPtr<nsIDocument> ourChildDocument = ourWindow->GetExtantDoc();
|
|
nsCOMPtr<nsIDocument> otherChildDocument = otherWindow ->GetExtantDoc();
|
|
if (!ourChildDocument || !otherChildDocument) {
|
|
// This shouldn't be happening
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocument> ourParentDocument =
|
|
ourChildDocument->GetParentDocument();
|
|
nsCOMPtr<nsIDocument> otherParentDocument =
|
|
otherChildDocument->GetParentDocument();
|
|
|
|
// Make sure to swap docshells between the two frames.
|
|
nsIDocument* ourDoc = ourContent->GetComposedDoc();
|
|
nsIDocument* otherDoc = otherContent->GetComposedDoc();
|
|
if (!ourDoc || !otherDoc) {
|
|
// Again, how odd, given that we had docshells
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
NS_ASSERTION(ourDoc == ourParentDocument, "Unexpected parent document");
|
|
NS_ASSERTION(otherDoc == otherParentDocument, "Unexpected parent document");
|
|
|
|
nsIPresShell* ourShell = ourDoc->GetShell();
|
|
nsIPresShell* otherShell = otherDoc->GetShell();
|
|
if (!ourShell || !otherShell) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
if (ourDocshell->GetIsIsolatedMozBrowserElement() !=
|
|
otherDocshell->GetIsIsolatedMozBrowserElement() ||
|
|
ourDocshell->GetIsApp() != otherDocshell->GetIsApp()) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// When we swap docShells, maybe we have to deal with a new page created just
|
|
// for this operation. In this case, the browser code should already have set
|
|
// the correct userContextId attribute value in the owning XULElement, but our
|
|
// docShell, that has been created way before) doesn't know that that
|
|
// happened.
|
|
// This is the reason why now we must retrieve the correct value from the
|
|
// usercontextid attribute before comparing our originAttributes with the
|
|
// other one.
|
|
DocShellOriginAttributes ourOriginAttributes =
|
|
ourDocshell->GetOriginAttributes();
|
|
rv = PopulateUserContextIdFromAttribute(ourOriginAttributes);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
|
|
DocShellOriginAttributes otherOriginAttributes =
|
|
otherDocshell->GetOriginAttributes();
|
|
rv = aOther->PopulateUserContextIdFromAttribute(otherOriginAttributes);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
|
|
if (ourOriginAttributes != otherOriginAttributes) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
if (mInSwap || aOther->mInSwap) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
AutoResetInFrameSwap autoFrameSwap(this, aOther, ourDocshell, otherDocshell,
|
|
ourEventTarget, otherEventTarget);
|
|
|
|
nsIFrame* ourFrame = ourContent->GetPrimaryFrame();
|
|
nsIFrame* otherFrame = otherContent->GetPrimaryFrame();
|
|
if (!ourFrame || !otherFrame) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
nsSubDocumentFrame* ourFrameFrame = do_QueryFrame(ourFrame);
|
|
if (!ourFrameFrame) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// OK. First begin to swap the docshells in the two nsIFrames
|
|
rv = ourFrameFrame->BeginSwapDocShells(otherFrame);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// Now move the docshells to the right docshell trees. Note that this
|
|
// resets their treeowners to null.
|
|
ourParentItem->RemoveChild(ourDocshell);
|
|
otherParentItem->RemoveChild(otherDocshell);
|
|
if (ourType == nsIDocShellTreeItem::typeContent) {
|
|
ourOwner->ContentShellRemoved(ourDocshell);
|
|
otherOwner->ContentShellRemoved(otherDocshell);
|
|
}
|
|
|
|
ourParentItem->AddChild(otherDocshell);
|
|
otherParentItem->AddChild(ourDocshell);
|
|
|
|
// Restore the correct chrome event handlers.
|
|
ourDocshell->SetChromeEventHandler(otherChromeEventHandler);
|
|
otherDocshell->SetChromeEventHandler(ourChromeEventHandler);
|
|
// Restore the correct treeowners
|
|
// (and also chrome event handlers for content frames only).
|
|
SetTreeOwnerAndChromeEventHandlerOnDocshellTree(ourDocshell, otherOwner,
|
|
ourType == nsIDocShellTreeItem::typeContent ? otherChromeEventHandler.get() : nullptr);
|
|
SetTreeOwnerAndChromeEventHandlerOnDocshellTree(otherDocshell, ourOwner,
|
|
ourType == nsIDocShellTreeItem::typeContent ? ourChromeEventHandler.get() : nullptr);
|
|
|
|
// Switch the owner content before we start calling AddTreeItemToTreeOwner.
|
|
// Note that we rely on this to deal with setting mObservingOwnerContent to
|
|
// false and calling RemoveMutationObserver as needed.
|
|
SetOwnerContent(otherContent);
|
|
aOther->SetOwnerContent(ourContent);
|
|
|
|
AddTreeItemToTreeOwner(ourDocshell, otherOwner, otherParentType, nullptr);
|
|
aOther->AddTreeItemToTreeOwner(otherDocshell, ourOwner, ourParentType,
|
|
nullptr);
|
|
|
|
// SetSubDocumentFor nulls out parent documents on the old child doc if a
|
|
// new non-null document is passed in, so just go ahead and remove both
|
|
// kids before reinserting in the parent subdoc maps, to avoid
|
|
// complications.
|
|
ourParentDocument->SetSubDocumentFor(ourContent, nullptr);
|
|
otherParentDocument->SetSubDocumentFor(otherContent, nullptr);
|
|
ourParentDocument->SetSubDocumentFor(ourContent, otherChildDocument);
|
|
otherParentDocument->SetSubDocumentFor(otherContent, ourChildDocument);
|
|
|
|
ourWindow->SetFrameElementInternal(otherFrameElement);
|
|
otherWindow->SetFrameElementInternal(ourFrameElement);
|
|
|
|
RefPtr<nsFrameMessageManager> ourMessageManager = mMessageManager;
|
|
RefPtr<nsFrameMessageManager> otherMessageManager = aOther->mMessageManager;
|
|
// Swap pointers in child message managers.
|
|
if (mChildMessageManager) {
|
|
nsInProcessTabChildGlobal* tabChild =
|
|
static_cast<nsInProcessTabChildGlobal*>(mChildMessageManager.get());
|
|
tabChild->SetOwner(otherContent);
|
|
tabChild->SetChromeMessageManager(otherMessageManager);
|
|
}
|
|
if (aOther->mChildMessageManager) {
|
|
nsInProcessTabChildGlobal* otherTabChild =
|
|
static_cast<nsInProcessTabChildGlobal*>(aOther->mChildMessageManager.get());
|
|
otherTabChild->SetOwner(ourContent);
|
|
otherTabChild->SetChromeMessageManager(ourMessageManager);
|
|
}
|
|
// Swap and setup things in parent message managers.
|
|
if (mMessageManager) {
|
|
mMessageManager->SetCallback(aOther);
|
|
}
|
|
if (aOther->mMessageManager) {
|
|
aOther->mMessageManager->SetCallback(this);
|
|
}
|
|
mMessageManager.swap(aOther->mMessageManager);
|
|
|
|
aFirstToSwap.swap(aSecondToSwap);
|
|
|
|
// Drop any cached content viewers in the two session histories.
|
|
nsCOMPtr<nsISHistoryInternal> ourInternalHistory =
|
|
do_QueryInterface(ourHistory);
|
|
nsCOMPtr<nsISHistoryInternal> otherInternalHistory =
|
|
do_QueryInterface(otherHistory);
|
|
if (ourInternalHistory) {
|
|
ourInternalHistory->EvictAllContentViewers();
|
|
}
|
|
if (otherInternalHistory) {
|
|
otherInternalHistory->EvictAllContentViewers();
|
|
}
|
|
|
|
NS_ASSERTION(ourFrame == ourContent->GetPrimaryFrame() &&
|
|
otherFrame == otherContent->GetPrimaryFrame(),
|
|
"changed primary frame");
|
|
|
|
ourFrameFrame->EndSwapDocShells(otherFrame);
|
|
|
|
// If the content being swapped came from windows on two screens with
|
|
// incompatible backing resolution (e.g. dragging a tab between windows on
|
|
// hi-dpi and low-dpi screens), it will have style data that is based on
|
|
// the wrong appUnitsPerDevPixel value. So we tell the PresShells that their
|
|
// backing scale factor may have changed. (Bug 822266)
|
|
ourShell->BackingScaleFactorChanged();
|
|
otherShell->BackingScaleFactorChanged();
|
|
|
|
ourParentDocument->FlushPendingNotifications(Flush_Layout);
|
|
otherParentDocument->FlushPendingNotifications(Flush_Layout);
|
|
|
|
// Initialize browser API if needed now that owner content has changed
|
|
InitializeBrowserAPI();
|
|
aOther->InitializeBrowserAPI();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::Destroy()
|
|
{
|
|
StartDestroy();
|
|
return NS_OK;
|
|
}
|
|
|
|
class nsFrameLoaderDestroyRunnable : public Runnable
|
|
{
|
|
enum DestroyPhase
|
|
{
|
|
// See the implementation of Run for an explanation of these phases.
|
|
eDestroyDocShell,
|
|
eWaitForUnloadMessage,
|
|
eDestroyComplete
|
|
};
|
|
|
|
RefPtr<nsFrameLoader> mFrameLoader;
|
|
DestroyPhase mPhase;
|
|
|
|
public:
|
|
explicit nsFrameLoaderDestroyRunnable(nsFrameLoader* aFrameLoader)
|
|
: mFrameLoader(aFrameLoader), mPhase(eDestroyDocShell) {}
|
|
|
|
NS_IMETHOD Run() override;
|
|
};
|
|
|
|
void
|
|
nsFrameLoader::StartDestroy()
|
|
{
|
|
// nsFrameLoader::StartDestroy is called just before the frameloader is
|
|
// detached from the <browser> element. Destruction continues in phases via
|
|
// the nsFrameLoaderDestroyRunnable.
|
|
|
|
if (mDestroyCalled) {
|
|
return;
|
|
}
|
|
mDestroyCalled = true;
|
|
|
|
// After this point, we return an error when trying to send a message using
|
|
// the message manager on the frame.
|
|
if (mMessageManager) {
|
|
mMessageManager->Close();
|
|
}
|
|
|
|
// Retain references to the <browser> element and the frameloader in case we
|
|
// receive any messages from the message manager on the frame. These
|
|
// references are dropped in DestroyComplete.
|
|
if (mChildMessageManager || mRemoteBrowser) {
|
|
mOwnerContentStrong = mOwnerContent;
|
|
if (mRemoteBrowser) {
|
|
mRemoteBrowser->CacheFrameLoader(this);
|
|
}
|
|
if (mChildMessageManager) {
|
|
mChildMessageManager->CacheFrameLoader(this);
|
|
}
|
|
}
|
|
|
|
// If the TabParent has installed any event listeners on the window, this is
|
|
// its last chance to remove them while we're still in the document.
|
|
if (mRemoteBrowser) {
|
|
mRemoteBrowser->RemoveWindowListeners();
|
|
}
|
|
|
|
nsCOMPtr<nsIDocument> doc;
|
|
bool dynamicSubframeRemoval = false;
|
|
if (mOwnerContent) {
|
|
doc = mOwnerContent->OwnerDoc();
|
|
dynamicSubframeRemoval = !mIsTopLevelContent && !doc->InUnlinkOrDeletion();
|
|
doc->SetSubDocumentFor(mOwnerContent, nullptr);
|
|
MaybeUpdatePrimaryTabParent(eTabParentRemoved);
|
|
SetOwnerContent(nullptr);
|
|
}
|
|
|
|
// Seems like this is a dynamic frame removal.
|
|
if (dynamicSubframeRemoval) {
|
|
if (mDocShell) {
|
|
mDocShell->RemoveFromSessionHistory();
|
|
}
|
|
}
|
|
|
|
// Let the tree owner know we're gone.
|
|
if (mIsTopLevelContent) {
|
|
if (mDocShell) {
|
|
nsCOMPtr<nsIDocShellTreeItem> parentItem;
|
|
mDocShell->GetParent(getter_AddRefs(parentItem));
|
|
nsCOMPtr<nsIDocShellTreeOwner> owner = do_GetInterface(parentItem);
|
|
if (owner) {
|
|
owner->ContentShellRemoved(mDocShell);
|
|
}
|
|
}
|
|
}
|
|
|
|
// Let our window know that we are gone
|
|
if (mDocShell) {
|
|
nsCOMPtr<nsPIDOMWindowOuter> win_private(mDocShell->GetWindow());
|
|
if (win_private) {
|
|
win_private->SetFrameElementInternal(nullptr);
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIRunnable> destroyRunnable = new nsFrameLoaderDestroyRunnable(this);
|
|
if (mNeedsAsyncDestroy || !doc ||
|
|
NS_FAILED(doc->FinalizeFrameLoader(this, destroyRunnable))) {
|
|
NS_DispatchToCurrentThread(destroyRunnable);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoaderDestroyRunnable::Run()
|
|
{
|
|
switch (mPhase) {
|
|
case eDestroyDocShell:
|
|
mFrameLoader->DestroyDocShell();
|
|
|
|
// In the out-of-process case, TabParent will eventually call
|
|
// DestroyComplete once it receives a __delete__ message from the child. In
|
|
// the in-process case, we dispatch a series of runnables to ensure that
|
|
// DestroyComplete gets called at the right time. The frame loader is kept
|
|
// alive by mFrameLoader during this time.
|
|
if (mFrameLoader->mChildMessageManager) {
|
|
// When the docshell is destroyed, NotifyWindowIDDestroyed is called to
|
|
// asynchronously notify {outer,inner}-window-destroyed via a runnable. We
|
|
// don't want DestroyComplete to run until after those runnables have
|
|
// run. Since we're enqueueing ourselves after the window-destroyed
|
|
// runnables are enqueued, we're guaranteed to run after.
|
|
mPhase = eWaitForUnloadMessage;
|
|
NS_DispatchToCurrentThread(this);
|
|
}
|
|
break;
|
|
|
|
case eWaitForUnloadMessage:
|
|
// The *-window-destroyed observers have finished running at this
|
|
// point. However, it's possible that a *-window-destroyed observer might
|
|
// have sent a message using the message manager. These messages might not
|
|
// have been processed yet. So we enqueue ourselves again to ensure that
|
|
// DestroyComplete runs after all messages sent by *-window-destroyed
|
|
// observers have been processed.
|
|
mPhase = eDestroyComplete;
|
|
NS_DispatchToCurrentThread(this);
|
|
break;
|
|
|
|
case eDestroyComplete:
|
|
// Now that all messages sent by unload listeners and window destroyed
|
|
// observers have been processed, we disconnect the message manager and
|
|
// finish destruction.
|
|
mFrameLoader->DestroyComplete();
|
|
break;
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::DestroyDocShell()
|
|
{
|
|
// This code runs after the frameloader has been detached from the <browser>
|
|
// element. We postpone this work because we may not be allowed to run
|
|
// script at that time.
|
|
|
|
// Ask the TabChild to fire the frame script "unload" event, destroy its
|
|
// docshell, and finally destroy the PBrowser actor. This eventually leads to
|
|
// nsFrameLoader::DestroyComplete being called.
|
|
if (mRemoteBrowser) {
|
|
mRemoteBrowser->Destroy();
|
|
}
|
|
|
|
// Fire the "unload" event if we're in-process.
|
|
if (mChildMessageManager) {
|
|
static_cast<nsInProcessTabChildGlobal*>(mChildMessageManager.get())->FireUnloadEvent();
|
|
}
|
|
|
|
// Destroy the docshell.
|
|
nsCOMPtr<nsIBaseWindow> base_win(do_QueryInterface(mDocShell));
|
|
if (base_win) {
|
|
base_win->Destroy();
|
|
}
|
|
mDocShell = nullptr;
|
|
|
|
if (mChildMessageManager) {
|
|
// Stop handling events in the in-process frame script.
|
|
static_cast<nsInProcessTabChildGlobal*>(mChildMessageManager.get())->DisconnectEventListeners();
|
|
}
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::DestroyComplete()
|
|
{
|
|
// We get here, as part of StartDestroy, after the docshell has been destroyed
|
|
// and all message manager messages sent during docshell destruction have been
|
|
// dispatched. We also get here if the child process crashes. In the latter
|
|
// case, StartDestroy might not have been called.
|
|
|
|
// Drop the strong references created in StartDestroy.
|
|
if (mChildMessageManager || mRemoteBrowser) {
|
|
mOwnerContentStrong = nullptr;
|
|
if (mRemoteBrowser) {
|
|
mRemoteBrowser->CacheFrameLoader(nullptr);
|
|
}
|
|
if (mChildMessageManager) {
|
|
mChildMessageManager->CacheFrameLoader(nullptr);
|
|
}
|
|
}
|
|
|
|
// Call TabParent::Destroy if we haven't already (in case of a crash).
|
|
if (mRemoteBrowser) {
|
|
mRemoteBrowser->SetOwnerElement(nullptr);
|
|
mRemoteBrowser->Destroy();
|
|
mRemoteBrowser = nullptr;
|
|
}
|
|
|
|
if (mMessageManager) {
|
|
mMessageManager->Disconnect();
|
|
}
|
|
|
|
if (mChildMessageManager) {
|
|
static_cast<nsInProcessTabChildGlobal*>(mChildMessageManager.get())->Disconnect();
|
|
}
|
|
|
|
mMessageManager = nullptr;
|
|
mChildMessageManager = nullptr;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetDepthTooGreat(bool* aDepthTooGreat)
|
|
{
|
|
*aDepthTooGreat = mDepthTooGreat;
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::SetOwnerContent(Element* aContent)
|
|
{
|
|
if (mObservingOwnerContent) {
|
|
mObservingOwnerContent = false;
|
|
mOwnerContent->RemoveMutationObserver(this);
|
|
}
|
|
mOwnerContent = aContent;
|
|
if (RenderFrameParent* rfp = GetCurrentRenderFrame()) {
|
|
rfp->OwnerContentChanged(aContent);
|
|
}
|
|
|
|
ResetPermissionManagerStatus();
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::OwnerIsMozBrowserOrAppFrame()
|
|
{
|
|
nsCOMPtr<nsIMozBrowserFrame> browserFrame = do_QueryInterface(mOwnerContent);
|
|
return browserFrame ? browserFrame->GetReallyIsBrowserOrApp() : false;
|
|
}
|
|
|
|
// The xpcom getter version
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetOwnerIsMozBrowserOrAppFrame(bool* aResult)
|
|
{
|
|
*aResult = OwnerIsMozBrowserOrAppFrame();
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::OwnerIsWidget()
|
|
{
|
|
nsCOMPtr<nsIMozBrowserFrame> browserFrame = do_QueryInterface(mOwnerContent);
|
|
return browserFrame ? browserFrame->GetReallyIsWidget() : false;
|
|
}
|
|
|
|
|
|
// The xpcom getter version
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetOwnerIsWidget(bool* aResult)
|
|
{
|
|
*aResult = OwnerIsWidget();
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::OwnerIsAppFrame()
|
|
{
|
|
nsCOMPtr<nsIMozBrowserFrame> browserFrame = do_QueryInterface(mOwnerContent);
|
|
return browserFrame ? browserFrame->GetReallyIsApp() : false;
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::OwnerIsMozBrowserFrame()
|
|
{
|
|
return OwnerIsMozBrowserOrAppFrame() && !OwnerIsAppFrame();
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::OwnerIsIsolatedMozBrowserFrame()
|
|
{
|
|
nsCOMPtr<nsIMozBrowserFrame> browserFrame = do_QueryInterface(mOwnerContent);
|
|
if (!browserFrame) {
|
|
return false;
|
|
}
|
|
|
|
if (!OwnerIsMozBrowserFrame()) {
|
|
return false;
|
|
}
|
|
|
|
bool isolated = browserFrame->GetIsolated();
|
|
if (isolated) {
|
|
return true;
|
|
}
|
|
|
|
// After bug 1238160, which allows isolation to be disabled on mozbrowser
|
|
// frames, we no longer have a way to tell from the principal alone if
|
|
// something "is a mozbrowser". Instead, we now only know "is an isolated
|
|
// mozbrowser". The following code paths would return invalid results if it
|
|
// were possible to have apps *and* isolation could be disabled:
|
|
// * CheckPermission in AppProcessChecker.cpp
|
|
// * nsScriptSecurityManager::AppStatusForPrincipal
|
|
// * init() in SystemMessageManager.js
|
|
// Currently, desktop is the only platform where we intend to disable
|
|
// isolation on a browser frame, so non-desktop should be able to assume that
|
|
// inIsolatedMozBrowser is true for all mozbrowser frames. To enforce these
|
|
// assumptions, we assert that there are no apps installed if we have tried
|
|
// to disable isolation.
|
|
nsCOMPtr<nsIAppsService> appsService = do_GetService(APPS_SERVICE_CONTRACTID);
|
|
if (!appsService) {
|
|
// If the apps service is not present, we assume this means there can't be
|
|
// any apps at all, so there is no problem.
|
|
return false;
|
|
}
|
|
bool appsInstalled;
|
|
nsresult rv = appsService->AreAnyAppsInstalled(&appsInstalled);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
// The apps service exists, but it threw an error when checking if there are
|
|
// any apps, so we don't know if we have them or not.
|
|
return false;
|
|
}
|
|
#ifdef MOZ_B2G
|
|
MOZ_RELEASE_ASSERT(!appsInstalled,
|
|
"Disabling mozbrowser isolation is not currently "
|
|
"allowed when apps are installed.");
|
|
#else
|
|
if (appsInstalled) {
|
|
NS_WARNING("Disabling mozbrowser isolation is not currently allowed when "
|
|
"apps are installed.");
|
|
}
|
|
#endif
|
|
|
|
return false;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::GetOwnerAppManifestURL(nsAString& aOut)
|
|
{
|
|
aOut.Truncate();
|
|
nsCOMPtr<nsIMozBrowserFrame> browserFrame = do_QueryInterface(mOwnerContent);
|
|
if (browserFrame) {
|
|
browserFrame->GetAppManifestURL(aOut);
|
|
}
|
|
}
|
|
|
|
already_AddRefed<mozIApplication>
|
|
nsFrameLoader::GetOwnApp()
|
|
{
|
|
nsAutoString manifest;
|
|
GetOwnerAppManifestURL(manifest);
|
|
if (manifest.IsEmpty()) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIAppsService> appsService = do_GetService(APPS_SERVICE_CONTRACTID);
|
|
NS_ENSURE_TRUE(appsService, nullptr);
|
|
|
|
nsCOMPtr<mozIApplication> app;
|
|
appsService->GetAppByManifestURL(manifest, getter_AddRefs(app));
|
|
|
|
return app.forget();
|
|
}
|
|
|
|
already_AddRefed<mozIApplication>
|
|
nsFrameLoader::GetContainingApp()
|
|
{
|
|
// See if our owner content's principal has an associated app.
|
|
uint32_t appId = mOwnerContent->NodePrincipal()->GetAppId();
|
|
MOZ_ASSERT(appId != nsIScriptSecurityManager::UNKNOWN_APP_ID);
|
|
|
|
if (appId == nsIScriptSecurityManager::NO_APP_ID ||
|
|
appId == nsIScriptSecurityManager::UNKNOWN_APP_ID) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIAppsService> appsService = do_GetService(APPS_SERVICE_CONTRACTID);
|
|
NS_ENSURE_TRUE(appsService, nullptr);
|
|
|
|
nsCOMPtr<mozIApplication> app;
|
|
appsService->GetAppByLocalId(appId, getter_AddRefs(app));
|
|
|
|
return app.forget();
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::ShouldUseRemoteProcess()
|
|
{
|
|
if (PR_GetEnv("MOZ_DISABLE_OOP_TABS") ||
|
|
Preferences::GetBool("dom.ipc.tabs.disabled", false)) {
|
|
return false;
|
|
}
|
|
|
|
// Don't try to launch nested children if we don't have OMTC.
|
|
// They won't render!
|
|
if (XRE_IsContentProcess() &&
|
|
!CompositorBridgeChild::ChildProcessHasCompositorBridge()) {
|
|
return false;
|
|
}
|
|
|
|
if (XRE_IsContentProcess() &&
|
|
!(PR_GetEnv("MOZ_NESTED_OOP_TABS") ||
|
|
Preferences::GetBool("dom.ipc.tabs.nested.enabled", false))) {
|
|
return false;
|
|
}
|
|
|
|
// If we're an <iframe mozbrowser> and we don't have a "remote" attribute,
|
|
// fall back to the default.
|
|
if (OwnerIsMozBrowserOrAppFrame() &&
|
|
!mOwnerContent->HasAttr(kNameSpaceID_None, nsGkAtoms::Remote)) {
|
|
|
|
return Preferences::GetBool("dom.ipc.browser_frames.oop_by_default", false);
|
|
}
|
|
|
|
// Otherwise, we're remote if we have "remote=true" and we're either a
|
|
// browser frame or a XUL element.
|
|
return (OwnerIsMozBrowserOrAppFrame() ||
|
|
mOwnerContent->GetNameSpaceID() == kNameSpaceID_XUL) &&
|
|
mOwnerContent->AttrValueIs(kNameSpaceID_None,
|
|
nsGkAtoms::Remote,
|
|
nsGkAtoms::_true,
|
|
eCaseMatters);
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::IsRemoteFrame()
|
|
{
|
|
if (mRemoteFrame) {
|
|
MOZ_ASSERT(!mDocShell, "Found a remote frame with a DocShell");
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::MaybeCreateDocShell()
|
|
{
|
|
if (mDocShell) {
|
|
return NS_OK;
|
|
}
|
|
if (IsRemoteFrame()) {
|
|
return NS_OK;
|
|
}
|
|
NS_ENSURE_STATE(!mDestroyCalled);
|
|
|
|
// Get our parent docshell off the document of mOwnerContent
|
|
// XXXbz this is such a total hack.... We really need to have a
|
|
// better setup for doing this.
|
|
nsIDocument* doc = mOwnerContent->OwnerDoc();
|
|
|
|
MOZ_RELEASE_ASSERT(!doc->IsResourceDoc(), "We shouldn't even exist");
|
|
|
|
if (!(doc->IsStaticDocument() || mOwnerContent->IsInComposedDoc())) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
if (!doc->IsActive()) {
|
|
// Don't allow subframe loads in non-active documents.
|
|
// (See bug 610571 comment 5.)
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> docShell = doc->GetDocShell();
|
|
nsCOMPtr<nsIWebNavigation> parentAsWebNav = do_QueryInterface(docShell);
|
|
NS_ENSURE_STATE(parentAsWebNav);
|
|
|
|
// Create the docshell...
|
|
mDocShell = do_CreateInstance("@mozilla.org/docshell;1");
|
|
NS_ENSURE_TRUE(mDocShell, NS_ERROR_FAILURE);
|
|
|
|
if (mIsPrerendered) {
|
|
nsresult rv = mDocShell->SetIsPrerendered();
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
}
|
|
|
|
if (!mNetworkCreated) {
|
|
if (mDocShell) {
|
|
mDocShell->SetCreatedDynamically(true);
|
|
}
|
|
}
|
|
|
|
// Get the frame name and tell the docshell about it.
|
|
NS_ENSURE_TRUE(mDocShell, NS_ERROR_FAILURE);
|
|
nsAutoString frameName;
|
|
|
|
int32_t namespaceID = mOwnerContent->GetNameSpaceID();
|
|
if (namespaceID == kNameSpaceID_XHTML && !mOwnerContent->IsInHTMLDocument()) {
|
|
mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::id, frameName);
|
|
} else {
|
|
mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::name, frameName);
|
|
// XXX if no NAME then use ID, after a transition period this will be
|
|
// changed so that XUL only uses ID too (bug 254284).
|
|
if (frameName.IsEmpty() && namespaceID == kNameSpaceID_XUL) {
|
|
mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::id, frameName);
|
|
}
|
|
}
|
|
|
|
if (!frameName.IsEmpty()) {
|
|
mDocShell->SetName(frameName);
|
|
}
|
|
|
|
// Inform our docShell that it has a new child.
|
|
// Note: This logic duplicates a lot of logic in
|
|
// nsSubDocumentFrame::AttributeChanged. We should fix that.
|
|
|
|
int32_t parentType = docShell->ItemType();
|
|
|
|
// XXXbz why is this in content code, exactly? We should handle
|
|
// this some other way..... Not sure how yet.
|
|
nsCOMPtr<nsIDocShellTreeOwner> parentTreeOwner;
|
|
docShell->GetTreeOwner(getter_AddRefs(parentTreeOwner));
|
|
NS_ENSURE_STATE(parentTreeOwner);
|
|
mIsTopLevelContent =
|
|
AddTreeItemToTreeOwner(mDocShell, parentTreeOwner, parentType, docShell);
|
|
|
|
// Make sure all shells have links back to the content element
|
|
// in the nearest enclosing chrome shell.
|
|
nsCOMPtr<nsIDOMEventTarget> chromeEventHandler;
|
|
|
|
if (parentType == nsIDocShellTreeItem::typeChrome) {
|
|
// Our parent shell is a chrome shell. It is therefore our nearest
|
|
// enclosing chrome shell.
|
|
|
|
chromeEventHandler = do_QueryInterface(mOwnerContent);
|
|
NS_ASSERTION(chromeEventHandler,
|
|
"This mContent should implement this.");
|
|
} else {
|
|
// Our parent shell is a content shell. Get the chrome event
|
|
// handler from it and use that for our shell as well.
|
|
|
|
docShell->GetChromeEventHandler(getter_AddRefs(chromeEventHandler));
|
|
}
|
|
|
|
mDocShell->SetChromeEventHandler(chromeEventHandler);
|
|
|
|
// This is nasty, this code (the mDocShell->GetWindow() below)
|
|
// *must* come *after* the above call to
|
|
// mDocShell->SetChromeEventHandler() for the global window to get
|
|
// the right chrome event handler.
|
|
|
|
// Tell the window about the frame that hosts it.
|
|
nsCOMPtr<Element> frame_element = mOwnerContent;
|
|
NS_ASSERTION(frame_element, "frame loader owner element not a DOM element!");
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> win_private(mDocShell->GetWindow());
|
|
nsCOMPtr<nsIBaseWindow> base_win(do_QueryInterface(mDocShell));
|
|
if (win_private) {
|
|
win_private->SetFrameElementInternal(frame_element);
|
|
}
|
|
|
|
// This is kinda whacky, this call doesn't really create anything,
|
|
// but it must be called to make sure things are properly
|
|
// initialized.
|
|
if (NS_FAILED(base_win->Create()) || !win_private) {
|
|
// Do not call Destroy() here. See bug 472312.
|
|
NS_WARNING("Something wrong when creating the docshell for a frameloader!");
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
if (mIsTopLevelContent &&
|
|
mOwnerContent->IsXULElement(nsGkAtoms::browser) &&
|
|
!mOwnerContent->HasAttr(kNameSpaceID_None, nsGkAtoms::disablehistory)) {
|
|
nsresult rv;
|
|
nsCOMPtr<nsISHistory> sessionHistory =
|
|
do_CreateInstance(NS_SHISTORY_CONTRACTID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsIWebNavigation> webNav(do_QueryInterface(mDocShell));
|
|
webNav->SetSessionHistory(sessionHistory);
|
|
}
|
|
|
|
DocShellOriginAttributes attrs;
|
|
if (docShell->ItemType() == mDocShell->ItemType()) {
|
|
attrs = nsDocShell::Cast(docShell)->GetOriginAttributes();
|
|
}
|
|
|
|
if (OwnerIsAppFrame()) {
|
|
// You can't be both an app and a browser frame.
|
|
MOZ_ASSERT(!OwnerIsMozBrowserFrame());
|
|
|
|
nsCOMPtr<mozIApplication> ownApp = GetOwnApp();
|
|
MOZ_ASSERT(ownApp);
|
|
uint32_t ownAppId = nsIScriptSecurityManager::NO_APP_ID;
|
|
if (ownApp) {
|
|
NS_ENSURE_SUCCESS(ownApp->GetLocalId(&ownAppId), NS_ERROR_FAILURE);
|
|
}
|
|
|
|
attrs.mAppId = ownAppId;
|
|
mDocShell->SetFrameType(nsIDocShell::FRAME_TYPE_APP);
|
|
}
|
|
|
|
if (OwnerIsMozBrowserFrame()) {
|
|
// You can't be both a browser and an app frame.
|
|
MOZ_ASSERT(!OwnerIsAppFrame());
|
|
|
|
nsCOMPtr<mozIApplication> containingApp = GetContainingApp();
|
|
uint32_t containingAppId = nsIScriptSecurityManager::NO_APP_ID;
|
|
if (containingApp) {
|
|
NS_ENSURE_SUCCESS(containingApp->GetLocalId(&containingAppId),
|
|
NS_ERROR_FAILURE);
|
|
}
|
|
|
|
attrs.mAppId = containingAppId;
|
|
attrs.mInIsolatedMozBrowser = OwnerIsIsolatedMozBrowserFrame();
|
|
mDocShell->SetFrameType(nsIDocShell::FRAME_TYPE_BROWSER);
|
|
}
|
|
|
|
// Apply sandbox flags even if our owner is not an iframe, as this copies
|
|
// flags from our owning content's owning document.
|
|
// Note: ApplySandboxFlags should be called after mDocShell->SetFrameType
|
|
// because we need to get the correct presentation URL in ApplySandboxFlags.
|
|
uint32_t sandboxFlags = 0;
|
|
HTMLIFrameElement* iframe = HTMLIFrameElement::FromContent(mOwnerContent);
|
|
if (iframe) {
|
|
sandboxFlags = iframe->GetSandboxFlags();
|
|
}
|
|
ApplySandboxFlags(sandboxFlags);
|
|
|
|
// Grab the userContextId from owner if XUL
|
|
nsresult rv = PopulateUserContextIdFromAttribute(attrs);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
|
|
bool isPrivate = false;
|
|
nsCOMPtr<nsILoadContext> parentContext = do_QueryInterface(docShell);
|
|
NS_ENSURE_STATE(parentContext);
|
|
|
|
rv = parentContext->GetUsePrivateBrowsing(&isPrivate);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
attrs.SyncAttributesWithPrivateBrowsing(isPrivate);
|
|
|
|
if (OwnerIsMozBrowserOrAppFrame()) {
|
|
// For inproc frames, set the docshell properties.
|
|
nsAutoString name;
|
|
if (mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::name, name)) {
|
|
docShell->SetName(name);
|
|
}
|
|
mDocShell->SetFullscreenAllowed(
|
|
mOwnerContent->HasAttr(kNameSpaceID_None, nsGkAtoms::allowfullscreen) ||
|
|
mOwnerContent->HasAttr(kNameSpaceID_None, nsGkAtoms::mozallowfullscreen));
|
|
bool isPrivate = mOwnerContent->HasAttr(kNameSpaceID_None, nsGkAtoms::mozprivatebrowsing);
|
|
if (isPrivate) {
|
|
if (mDocShell->GetHasLoadedNonBlankURI()) {
|
|
nsContentUtils::ReportToConsoleNonLocalized(
|
|
NS_LITERAL_STRING("We should not switch to Private Browsing after loading a document."),
|
|
nsIScriptError::warningFlag,
|
|
NS_LITERAL_CSTRING("mozprivatebrowsing"),
|
|
nullptr);
|
|
} else {
|
|
// This handles the case where a frames private browsing is set by chrome flags
|
|
// and not inherited by its parent.
|
|
attrs.SyncAttributesWithPrivateBrowsing(isPrivate);
|
|
}
|
|
}
|
|
}
|
|
|
|
nsDocShell::Cast(mDocShell)->SetOriginAttributes(attrs);
|
|
|
|
ReallyLoadFrameScripts();
|
|
InitializeBrowserAPI();
|
|
|
|
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
|
|
if (os) {
|
|
os->NotifyObservers(NS_ISUPPORTS_CAST(nsIFrameLoader*, this),
|
|
"inprocess-browser-shown", nullptr);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::GetURL(nsString& aURI)
|
|
{
|
|
aURI.Truncate();
|
|
|
|
if (mOwnerContent->IsHTMLElement(nsGkAtoms::object)) {
|
|
mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::data, aURI);
|
|
} else {
|
|
mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::src, aURI);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::CheckForRecursiveLoad(nsIURI* aURI)
|
|
{
|
|
nsresult rv;
|
|
|
|
MOZ_ASSERT(!IsRemoteFrame(),
|
|
"Shouldn't call CheckForRecursiveLoad on remote frames.");
|
|
|
|
mDepthTooGreat = false;
|
|
rv = MaybeCreateDocShell();
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
NS_ASSERTION(mDocShell,
|
|
"MaybeCreateDocShell succeeded, but null mDocShell");
|
|
if (!mDocShell) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
// Check that we're still in the docshell tree.
|
|
nsCOMPtr<nsIDocShellTreeOwner> treeOwner;
|
|
mDocShell->GetTreeOwner(getter_AddRefs(treeOwner));
|
|
NS_WARN_IF_FALSE(treeOwner,
|
|
"Trying to load a new url to a docshell without owner!");
|
|
NS_ENSURE_STATE(treeOwner);
|
|
|
|
if (mDocShell->ItemType() != nsIDocShellTreeItem::typeContent) {
|
|
// No need to do recursion-protection here XXXbz why not?? Do we really
|
|
// trust people not to screw up with non-content docshells?
|
|
return NS_OK;
|
|
}
|
|
|
|
// Bug 8065: Don't exceed some maximum depth in content frames
|
|
// (MAX_DEPTH_CONTENT_FRAMES)
|
|
nsCOMPtr<nsIDocShellTreeItem> parentAsItem;
|
|
mDocShell->GetSameTypeParent(getter_AddRefs(parentAsItem));
|
|
int32_t depth = 0;
|
|
while (parentAsItem) {
|
|
++depth;
|
|
|
|
if (depth >= MAX_DEPTH_CONTENT_FRAMES) {
|
|
mDepthTooGreat = true;
|
|
NS_WARNING("Too many nested content frames so giving up");
|
|
|
|
return NS_ERROR_UNEXPECTED; // Too deep, give up! (silently?)
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> temp;
|
|
temp.swap(parentAsItem);
|
|
temp->GetSameTypeParent(getter_AddRefs(parentAsItem));
|
|
}
|
|
|
|
// Bug 136580: Check for recursive frame loading excluding about:srcdoc URIs.
|
|
// srcdoc URIs require their contents to be specified inline, so it isn't
|
|
// possible for undesirable recursion to occur without the aid of a
|
|
// non-srcdoc URI, which this method will block normally.
|
|
// Besides, URI is not enough to guarantee uniqueness of srcdoc documents.
|
|
nsAutoCString buffer;
|
|
rv = aURI->GetScheme(buffer);
|
|
if (NS_SUCCEEDED(rv) && buffer.EqualsLiteral("about")) {
|
|
rv = aURI->GetPath(buffer);
|
|
if (NS_SUCCEEDED(rv) && buffer.EqualsLiteral("srcdoc")) {
|
|
// Duplicates allowed up to depth limits
|
|
return NS_OK;
|
|
}
|
|
}
|
|
int32_t matchCount = 0;
|
|
mDocShell->GetSameTypeParent(getter_AddRefs(parentAsItem));
|
|
while (parentAsItem) {
|
|
// Check the parent URI with the URI we're loading
|
|
nsCOMPtr<nsIWebNavigation> parentAsNav(do_QueryInterface(parentAsItem));
|
|
if (parentAsNav) {
|
|
// Does the URI match the one we're about to load?
|
|
nsCOMPtr<nsIURI> parentURI;
|
|
parentAsNav->GetCurrentURI(getter_AddRefs(parentURI));
|
|
if (parentURI) {
|
|
// Bug 98158/193011: We need to ignore data after the #
|
|
bool equal;
|
|
rv = aURI->EqualsExceptRef(parentURI, &equal);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
if (equal) {
|
|
matchCount++;
|
|
if (matchCount >= MAX_SAME_URL_CONTENT_FRAMES) {
|
|
NS_WARNING("Too many nested content frames have the same url (recursion?) so giving up");
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
nsCOMPtr<nsIDocShellTreeItem> temp;
|
|
temp.swap(parentAsItem);
|
|
temp->GetSameTypeParent(getter_AddRefs(parentAsItem));
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::GetWindowDimensions(nsIntRect& aRect)
|
|
{
|
|
// Need to get outer window position here
|
|
nsIDocument* doc = mOwnerContent->GetComposedDoc();
|
|
if (!doc) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
MOZ_RELEASE_ASSERT(!doc->IsResourceDoc(), "We shouldn't even exist");
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> win = doc->GetWindow();
|
|
if (!win) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> parentAsItem(win->GetDocShell());
|
|
if (!parentAsItem) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeOwner> parentOwner;
|
|
if (NS_FAILED(parentAsItem->GetTreeOwner(getter_AddRefs(parentOwner))) ||
|
|
!parentOwner) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIBaseWindow> treeOwnerAsWin(do_GetInterface(parentOwner));
|
|
treeOwnerAsWin->GetPosition(&aRect.x, &aRect.y);
|
|
treeOwnerAsWin->GetSize(&aRect.width, &aRect.height);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::UpdatePositionAndSize(nsSubDocumentFrame *aIFrame)
|
|
{
|
|
if (IsRemoteFrame()) {
|
|
if (mRemoteBrowser) {
|
|
ScreenIntSize size = aIFrame->GetSubdocumentSize();
|
|
nsIntRect dimensions;
|
|
NS_ENSURE_SUCCESS(GetWindowDimensions(dimensions), NS_ERROR_FAILURE);
|
|
mLazySize = size;
|
|
mRemoteBrowser->UpdateDimensions(dimensions, size);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
UpdateBaseWindowPositionAndSize(aIFrame);
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::UpdateBaseWindowPositionAndSize(nsSubDocumentFrame *aIFrame)
|
|
{
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
GetDocShell(getter_AddRefs(docShell));
|
|
nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(docShell));
|
|
|
|
// resize the sub document
|
|
if (baseWindow) {
|
|
int32_t x = 0;
|
|
int32_t y = 0;
|
|
|
|
nsWeakFrame weakFrame(aIFrame);
|
|
|
|
baseWindow->GetPosition(&x, &y);
|
|
|
|
if (!weakFrame.IsAlive()) {
|
|
// GetPosition() killed us
|
|
return;
|
|
}
|
|
|
|
ScreenIntSize size = aIFrame->GetSubdocumentSize();
|
|
mLazySize = size;
|
|
|
|
baseWindow->SetPositionAndSize(x, y, size.width, size.height,
|
|
nsIBaseWindow::eDelayResize);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetLazyWidth(uint32_t* aLazyWidth)
|
|
{
|
|
*aLazyWidth = mLazySize.width;
|
|
|
|
nsIFrame* frame = GetPrimaryFrameOfOwningContent();
|
|
if (frame) {
|
|
*aLazyWidth = frame->PresContext()->DevPixelsToIntCSSPixels(*aLazyWidth);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetLazyHeight(uint32_t* aLazyHeight)
|
|
{
|
|
*aLazyHeight = mLazySize.height;
|
|
|
|
nsIFrame* frame = GetPrimaryFrameOfOwningContent();
|
|
if (frame) {
|
|
*aLazyHeight = frame->PresContext()->DevPixelsToIntCSSPixels(*aLazyHeight);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetEventMode(uint32_t* aEventMode)
|
|
{
|
|
*aEventMode = mEventMode;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::SetEventMode(uint32_t aEventMode)
|
|
{
|
|
mEventMode = aEventMode;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetClipSubdocument(bool* aResult)
|
|
{
|
|
*aResult = mClipSubdocument;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::SetClipSubdocument(bool aClip)
|
|
{
|
|
mClipSubdocument = aClip;
|
|
nsIFrame* frame = GetPrimaryFrameOfOwningContent();
|
|
if (frame) {
|
|
frame->InvalidateFrame();
|
|
frame->PresContext()->PresShell()->
|
|
FrameNeedsReflow(frame, nsIPresShell::eResize, NS_FRAME_IS_DIRTY);
|
|
nsSubDocumentFrame* subdocFrame = do_QueryFrame(frame);
|
|
if (subdocFrame) {
|
|
nsIFrame* subdocRootFrame = subdocFrame->GetSubdocumentRootFrame();
|
|
if (subdocRootFrame) {
|
|
nsIFrame* subdocRootScrollFrame = subdocRootFrame->PresContext()->PresShell()->
|
|
GetRootScrollFrame();
|
|
if (subdocRootScrollFrame) {
|
|
frame->PresContext()->PresShell()->
|
|
FrameNeedsReflow(frame, nsIPresShell::eResize, NS_FRAME_IS_DIRTY);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetClampScrollPosition(bool* aResult)
|
|
{
|
|
*aResult = mClampScrollPosition;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::SetClampScrollPosition(bool aClamp)
|
|
{
|
|
mClampScrollPosition = aClamp;
|
|
|
|
// When turning clamping on, make sure the current position is clamped.
|
|
if (aClamp) {
|
|
nsIFrame* frame = GetPrimaryFrameOfOwningContent();
|
|
nsSubDocumentFrame* subdocFrame = do_QueryFrame(frame);
|
|
if (subdocFrame) {
|
|
nsIFrame* subdocRootFrame = subdocFrame->GetSubdocumentRootFrame();
|
|
if (subdocRootFrame) {
|
|
nsIScrollableFrame* subdocRootScrollFrame = subdocRootFrame->PresContext()->PresShell()->
|
|
GetRootScrollFrameAsScrollable();
|
|
if (subdocRootScrollFrame) {
|
|
subdocRootScrollFrame->ScrollTo(subdocRootScrollFrame->GetScrollPosition(), nsIScrollableFrame::INSTANT);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
static
|
|
ContentParent*
|
|
GetContentParent(Element* aBrowser)
|
|
{
|
|
nsCOMPtr<nsIBrowser> browser = do_QueryInterface(aBrowser);
|
|
if (!browser) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMElement> related;
|
|
browser->GetRelatedBrowser(getter_AddRefs(related));
|
|
|
|
nsCOMPtr<nsIFrameLoaderOwner> otherOwner = do_QueryInterface(related);
|
|
if (!otherOwner) {
|
|
return nullptr;
|
|
}
|
|
|
|
nsCOMPtr<nsIFrameLoader> otherLoader = otherOwner->GetFrameLoader();
|
|
TabParent* tabParent = TabParent::GetFrom(otherLoader);
|
|
if (tabParent &&
|
|
tabParent->Manager() &&
|
|
tabParent->Manager()->IsContentParent()) {
|
|
return tabParent->Manager()->AsContentParent();
|
|
}
|
|
|
|
return nullptr;
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::TryRemoteBrowser()
|
|
{
|
|
NS_ASSERTION(!mRemoteBrowser, "TryRemoteBrowser called with a remote browser already?");
|
|
|
|
//XXXsmaug Per spec (2014/08/21) frameloader should not work in case the
|
|
// element isn't in document, only in shadow dom, but that will change
|
|
// https://www.w3.org/Bugs/Public/show_bug.cgi?id=26365#c0
|
|
nsIDocument* doc = mOwnerContent->GetComposedDoc();
|
|
if (!doc) {
|
|
return false;
|
|
}
|
|
|
|
MOZ_RELEASE_ASSERT(!doc->IsResourceDoc(), "We shouldn't even exist");
|
|
|
|
if (!doc->IsActive()) {
|
|
// Don't allow subframe loads in non-active documents.
|
|
// (See bug 610571 comment 5.)
|
|
return false;
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindowOuter> parentWin = doc->GetWindow();
|
|
if (!parentWin) {
|
|
return false;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> parentDocShell = parentWin->GetDocShell();
|
|
if (!parentDocShell) {
|
|
return false;
|
|
}
|
|
|
|
TabParent* openingTab = TabParent::GetFrom(parentDocShell->GetOpener());
|
|
ContentParent* openerContentParent = nullptr;
|
|
|
|
if (openingTab &&
|
|
openingTab->Manager() &&
|
|
openingTab->Manager()->IsContentParent()) {
|
|
openerContentParent = openingTab->Manager()->AsContentParent();
|
|
}
|
|
|
|
// <iframe mozbrowser> gets to skip these checks.
|
|
if (!OwnerIsMozBrowserOrAppFrame()) {
|
|
if (parentDocShell->ItemType() != nsIDocShellTreeItem::typeChrome) {
|
|
return false;
|
|
}
|
|
|
|
if (!mOwnerContent->IsXULElement()) {
|
|
return false;
|
|
}
|
|
|
|
nsAutoString value;
|
|
mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::type, value);
|
|
|
|
if (!value.LowerCaseEqualsLiteral("content") &&
|
|
!StringBeginsWith(value, NS_LITERAL_STRING("content-"),
|
|
nsCaseInsensitiveStringComparator())) {
|
|
return false;
|
|
}
|
|
|
|
// Try to get the related content parent from our browser element.
|
|
openerContentParent = GetContentParent(mOwnerContent);
|
|
}
|
|
|
|
uint32_t chromeFlags = 0;
|
|
nsCOMPtr<nsIDocShellTreeOwner> parentOwner;
|
|
if (NS_FAILED(parentDocShell->GetTreeOwner(getter_AddRefs(parentOwner))) ||
|
|
!parentOwner) {
|
|
return false;
|
|
}
|
|
nsCOMPtr<nsIXULWindow> window(do_GetInterface(parentOwner));
|
|
if (window && NS_FAILED(window->GetChromeFlags(&chromeFlags))) {
|
|
return false;
|
|
}
|
|
|
|
PROFILER_LABEL("nsFrameLoader", "CreateRemoteBrowser",
|
|
js::ProfileEntry::Category::OTHER);
|
|
|
|
MutableTabContext context;
|
|
nsresult rv = GetNewTabContext(&context);
|
|
NS_ENSURE_SUCCESS(rv, false);
|
|
|
|
nsCOMPtr<Element> ownerElement = mOwnerContent;
|
|
mRemoteBrowser = ContentParent::CreateBrowserOrApp(context, ownerElement, openerContentParent);
|
|
if (!mRemoteBrowser) {
|
|
return false;
|
|
}
|
|
|
|
MaybeUpdatePrimaryTabParent(eTabParentChanged);
|
|
|
|
mChildID = mRemoteBrowser->Manager()->ChildID();
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> rootItem;
|
|
parentDocShell->GetRootTreeItem(getter_AddRefs(rootItem));
|
|
nsCOMPtr<nsPIDOMWindowOuter> rootWin = rootItem->GetWindow();
|
|
nsCOMPtr<nsIDOMChromeWindow> rootChromeWin = do_QueryInterface(rootWin);
|
|
|
|
if (rootChromeWin) {
|
|
nsCOMPtr<nsIBrowserDOMWindow> browserDOMWin;
|
|
rootChromeWin->GetBrowserDOMWindow(getter_AddRefs(browserDOMWin));
|
|
mRemoteBrowser->SetBrowserDOMWindow(browserDOMWin);
|
|
}
|
|
|
|
if (mOwnerContent->AttrValueIs(kNameSpaceID_None,
|
|
nsGkAtoms::mozpasspointerevents,
|
|
nsGkAtoms::_true,
|
|
eCaseMatters)) {
|
|
Unused << mRemoteBrowser->SendSetUpdateHitRegion(true);
|
|
}
|
|
|
|
ReallyLoadFrameScripts();
|
|
InitializeBrowserAPI();
|
|
|
|
return true;
|
|
}
|
|
|
|
mozilla::dom::PBrowserParent*
|
|
nsFrameLoader::GetRemoteBrowser() const
|
|
{
|
|
return mRemoteBrowser;
|
|
}
|
|
|
|
RenderFrameParent*
|
|
nsFrameLoader::GetCurrentRenderFrame() const
|
|
{
|
|
if (mRemoteBrowser) {
|
|
return mRemoteBrowser->GetRenderFrame();
|
|
}
|
|
return nullptr;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::ActivateRemoteFrame() {
|
|
if (mRemoteBrowser) {
|
|
mRemoteBrowser->Activate();
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::DeactivateRemoteFrame() {
|
|
if (mRemoteBrowser) {
|
|
mRemoteBrowser->Deactivate();
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::ActivateUpdateHitRegion() {
|
|
if (mRemoteBrowser) {
|
|
Unused << mRemoteBrowser->SendSetUpdateHitRegion(true);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::DeactivateUpdateHitRegion() {
|
|
if (mRemoteBrowser) {
|
|
Unused << mRemoteBrowser->SendSetUpdateHitRegion(false);
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::SendCrossProcessMouseEvent(const nsAString& aType,
|
|
float aX,
|
|
float aY,
|
|
int32_t aButton,
|
|
int32_t aClickCount,
|
|
int32_t aModifiers,
|
|
bool aIgnoreRootScrollFrame)
|
|
{
|
|
if (mRemoteBrowser) {
|
|
mRemoteBrowser->SendMouseEvent(aType, aX, aY, aButton,
|
|
aClickCount, aModifiers,
|
|
aIgnoreRootScrollFrame);
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::ActivateFrameEvent(const nsAString& aType,
|
|
bool aCapture)
|
|
{
|
|
if (mRemoteBrowser) {
|
|
return mRemoteBrowser->SendActivateFrameEvent(nsString(aType), aCapture) ?
|
|
NS_OK : NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::SendCrossProcessKeyEvent(const nsAString& aType,
|
|
int32_t aKeyCode,
|
|
int32_t aCharCode,
|
|
int32_t aModifiers,
|
|
bool aPreventDefault)
|
|
{
|
|
if (mRemoteBrowser) {
|
|
mRemoteBrowser->SendKeyEvent(aType, aKeyCode, aCharCode, aModifiers,
|
|
aPreventDefault);
|
|
return NS_OK;
|
|
}
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::CreateStaticClone(nsIFrameLoader* aDest)
|
|
{
|
|
nsFrameLoader* dest = static_cast<nsFrameLoader*>(aDest);
|
|
dest->MaybeCreateDocShell();
|
|
NS_ENSURE_STATE(dest->mDocShell);
|
|
|
|
nsCOMPtr<nsIDocument> dummy = dest->mDocShell->GetDocument();
|
|
nsCOMPtr<nsIContentViewer> viewer;
|
|
dest->mDocShell->GetContentViewer(getter_AddRefs(viewer));
|
|
NS_ENSURE_STATE(viewer);
|
|
|
|
nsCOMPtr<nsIDocShell> origDocShell;
|
|
GetDocShell(getter_AddRefs(origDocShell));
|
|
NS_ENSURE_STATE(origDocShell);
|
|
|
|
nsCOMPtr<nsIDocument> doc = origDocShell->GetDocument();
|
|
NS_ENSURE_STATE(doc);
|
|
|
|
nsCOMPtr<nsIDocument> clonedDoc = doc->CreateStaticClone(dest->mDocShell);
|
|
nsCOMPtr<nsIDOMDocument> clonedDOMDoc = do_QueryInterface(clonedDoc);
|
|
|
|
viewer->SetDOMDocument(clonedDOMDoc);
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::DoLoadMessageManagerScript(const nsAString& aURL, bool aRunInGlobalScope)
|
|
{
|
|
auto* tabParent = TabParent::GetFrom(GetRemoteBrowser());
|
|
if (tabParent) {
|
|
return tabParent->SendLoadRemoteScript(nsString(aURL), aRunInGlobalScope);
|
|
}
|
|
RefPtr<nsInProcessTabChildGlobal> tabChild =
|
|
static_cast<nsInProcessTabChildGlobal*>(GetTabChildGlobalAsEventTarget());
|
|
if (tabChild) {
|
|
tabChild->LoadFrameScript(aURL, aRunInGlobalScope);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
class nsAsyncMessageToChild : public nsSameProcessAsyncMessageBase,
|
|
public Runnable
|
|
{
|
|
public:
|
|
nsAsyncMessageToChild(JS::RootingContext* aRootingCx,
|
|
JS::Handle<JSObject*> aCpows,
|
|
nsFrameLoader* aFrameLoader)
|
|
: nsSameProcessAsyncMessageBase(aRootingCx, aCpows)
|
|
, mFrameLoader(aFrameLoader)
|
|
{
|
|
}
|
|
|
|
NS_IMETHOD Run() override
|
|
{
|
|
nsInProcessTabChildGlobal* tabChild =
|
|
static_cast<nsInProcessTabChildGlobal*>(mFrameLoader->mChildMessageManager.get());
|
|
// Since bug 1126089, messages can arrive even when the docShell is destroyed.
|
|
// Here we make sure that those messages are not delivered.
|
|
if (tabChild && tabChild->GetInnerManager() && mFrameLoader->GetExistingDocShell()) {
|
|
nsCOMPtr<nsIXPConnectJSObjectHolder> kungFuDeathGrip(tabChild->GetGlobal());
|
|
ReceiveMessage(static_cast<EventTarget*>(tabChild), mFrameLoader,
|
|
tabChild->GetInnerManager());
|
|
}
|
|
return NS_OK;
|
|
}
|
|
RefPtr<nsFrameLoader> mFrameLoader;
|
|
};
|
|
|
|
nsresult
|
|
nsFrameLoader::DoSendAsyncMessage(JSContext* aCx,
|
|
const nsAString& aMessage,
|
|
StructuredCloneData& aData,
|
|
JS::Handle<JSObject *> aCpows,
|
|
nsIPrincipal* aPrincipal)
|
|
{
|
|
TabParent* tabParent = mRemoteBrowser;
|
|
if (tabParent) {
|
|
ClonedMessageData data;
|
|
nsIContentParent* cp = tabParent->Manager();
|
|
if (!BuildClonedMessageDataForParent(cp, aData, data)) {
|
|
MOZ_CRASH();
|
|
return NS_ERROR_DOM_DATA_CLONE_ERR;
|
|
}
|
|
InfallibleTArray<mozilla::jsipc::CpowEntry> cpows;
|
|
jsipc::CPOWManager* mgr = cp->GetCPOWManager();
|
|
if (aCpows && (!mgr || !mgr->Wrap(aCx, aCpows, &cpows))) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
if (tabParent->SendAsyncMessage(nsString(aMessage), cpows,
|
|
IPC::Principal(aPrincipal), data)) {
|
|
return NS_OK;
|
|
} else {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
}
|
|
|
|
if (mChildMessageManager) {
|
|
JS::RootingContext* rcx = JS::RootingContext::get(aCx);
|
|
RefPtr<nsAsyncMessageToChild> ev = new nsAsyncMessageToChild(rcx, aCpows, this);
|
|
nsresult rv = ev->Init(aMessage, aData, aPrincipal);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
rv = NS_DispatchToCurrentThread(ev);
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
// We don't have any targets to send our asynchronous message to.
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::CheckPermission(const nsAString& aPermission)
|
|
{
|
|
return AssertAppProcessPermission(GetRemoteBrowser(),
|
|
NS_ConvertUTF16toUTF8(aPermission).get());
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::CheckManifestURL(const nsAString& aManifestURL)
|
|
{
|
|
return AssertAppProcessManifestURL(GetRemoteBrowser(),
|
|
NS_ConvertUTF16toUTF8(aManifestURL).get());
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::CheckAppHasPermission(const nsAString& aPermission)
|
|
{
|
|
return AssertAppHasPermission(GetRemoteBrowser(),
|
|
NS_ConvertUTF16toUTF8(aPermission).get());
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetMessageManager(nsIMessageSender** aManager)
|
|
{
|
|
EnsureMessageManager();
|
|
if (mMessageManager) {
|
|
RefPtr<nsFrameMessageManager> mm(mMessageManager);
|
|
mm.forget(aManager);
|
|
return NS_OK;
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::EnsureMessageManager()
|
|
{
|
|
NS_ENSURE_STATE(mOwnerContent);
|
|
|
|
if (mMessageManager) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (!mIsTopLevelContent &&
|
|
!OwnerIsMozBrowserOrAppFrame() &&
|
|
!IsRemoteFrame() &&
|
|
!(mOwnerContent->IsXULElement() &&
|
|
mOwnerContent->AttrValueIs(kNameSpaceID_None,
|
|
nsGkAtoms::forcemessagemanager,
|
|
nsGkAtoms::_true, eCaseMatters))) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMChromeWindow> chromeWindow =
|
|
do_QueryInterface(GetOwnerDoc()->GetWindow());
|
|
nsCOMPtr<nsIMessageBroadcaster> parentManager;
|
|
|
|
if (chromeWindow) {
|
|
nsAutoString messagemanagergroup;
|
|
if (mOwnerContent->IsXULElement() &&
|
|
mOwnerContent->GetAttr(kNameSpaceID_None,
|
|
nsGkAtoms::messagemanagergroup,
|
|
messagemanagergroup)) {
|
|
chromeWindow->GetGroupMessageManager(messagemanagergroup, getter_AddRefs(parentManager));
|
|
}
|
|
|
|
if (!parentManager) {
|
|
chromeWindow->GetMessageManager(getter_AddRefs(parentManager));
|
|
}
|
|
} else {
|
|
parentManager = do_GetService("@mozilla.org/globalmessagemanager;1");
|
|
}
|
|
|
|
mMessageManager = new nsFrameMessageManager(nullptr,
|
|
static_cast<nsFrameMessageManager*>(parentManager.get()),
|
|
MM_CHROME);
|
|
if (!IsRemoteFrame()) {
|
|
nsresult rv = MaybeCreateDocShell();
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
NS_ASSERTION(mDocShell,
|
|
"MaybeCreateDocShell succeeded, but null mDocShell");
|
|
if (!mDocShell) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
mChildMessageManager =
|
|
new nsInProcessTabChildGlobal(mDocShell, mOwnerContent, mMessageManager);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::ReallyLoadFrameScripts()
|
|
{
|
|
nsresult rv = EnsureMessageManager();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
if (mMessageManager) {
|
|
mMessageManager->InitWithCallback(this);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
EventTarget*
|
|
nsFrameLoader::GetTabChildGlobalAsEventTarget()
|
|
{
|
|
return static_cast<nsInProcessTabChildGlobal*>(mChildMessageManager.get());
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetOwnerElement(nsIDOMElement **aElement)
|
|
{
|
|
nsCOMPtr<nsIDOMElement> ownerElement = do_QueryInterface(mOwnerContent);
|
|
ownerElement.forget(aElement);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetChildID(uint64_t* aChildID)
|
|
{
|
|
*aChildID = mChildID;
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::SetRemoteBrowser(nsITabParent* aTabParent)
|
|
{
|
|
MOZ_ASSERT(!mRemoteBrowser);
|
|
mRemoteFrame = true;
|
|
mRemoteBrowser = TabParent::GetFrom(aTabParent);
|
|
mChildID = mRemoteBrowser ? mRemoteBrowser->Manager()->ChildID() : 0;
|
|
MaybeUpdatePrimaryTabParent(eTabParentChanged);
|
|
ReallyLoadFrameScripts();
|
|
InitializeBrowserAPI();
|
|
ShowRemoteFrame(ScreenIntSize(0, 0));
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::SwapRemoteBrowser(nsITabParent* aTabParent)
|
|
{
|
|
RefPtr<TabParent> newParent = TabParent::GetFrom(aTabParent);
|
|
if (!newParent || !mRemoteBrowser) {
|
|
return NS_ERROR_DOM_INVALID_STATE_ERR;
|
|
}
|
|
if (!IsRemoteFrame()) {
|
|
NS_WARNING("Switching from in-process to out-of-process is not supported.");
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
if (!OwnerIsMozBrowserOrAppFrame()) {
|
|
NS_WARNING("Switching process for non-mozbrowser/app frame is not supported.");
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
if (newParent == mRemoteBrowser) {
|
|
return NS_OK;
|
|
}
|
|
|
|
MaybeUpdatePrimaryTabParent(eTabParentRemoved);
|
|
mRemoteBrowser->CacheFrameLoader(nullptr);
|
|
mRemoteBrowser->SetOwnerElement(nullptr);
|
|
mRemoteBrowser->Detach();
|
|
mRemoteBrowser->Destroy();
|
|
|
|
mRemoteBrowser = newParent;
|
|
mRemoteBrowser->Attach(this);
|
|
mChildID = mRemoteBrowser->Manager()->ChildID();
|
|
|
|
MaybeUpdatePrimaryTabParent(eTabParentChanged);
|
|
|
|
// Force the new remote frame manager to load pending scripts
|
|
mMessageManager->LoadPendingScripts();
|
|
|
|
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
|
|
if (os) {
|
|
os->NotifyObservers(NS_ISUPPORTS_CAST(nsIFrameLoader*, this),
|
|
"remote-browser-swapped", nullptr);
|
|
}
|
|
if (!mRemoteBrowserShown) {
|
|
ShowRemoteFrame(ScreenIntSize(0, 0));
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::SetDetachedSubdocFrame(nsIFrame* aDetachedFrame,
|
|
nsIDocument* aContainerDoc)
|
|
{
|
|
mDetachedSubdocFrame = aDetachedFrame;
|
|
mContainerDocWhileDetached = aContainerDoc;
|
|
}
|
|
|
|
nsIFrame*
|
|
nsFrameLoader::GetDetachedSubdocFrame(nsIDocument** aContainerDoc) const
|
|
{
|
|
NS_IF_ADDREF(*aContainerDoc = mContainerDocWhileDetached);
|
|
return mDetachedSubdocFrame.GetFrame();
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::ApplySandboxFlags(uint32_t sandboxFlags)
|
|
{
|
|
if (mDocShell) {
|
|
uint32_t parentSandboxFlags = mOwnerContent->OwnerDoc()->GetSandboxFlags();
|
|
|
|
// The child can only add restrictions, never remove them.
|
|
sandboxFlags |= parentSandboxFlags;
|
|
|
|
// If this frame is a receiving browsing context, we should add
|
|
// sandboxed auxiliary navigation flag to sandboxFlags. See
|
|
// https://w3c.github.io/presentation-api/#creating-a-receiving-browsing-context
|
|
nsAutoString presentationURL;
|
|
nsContentUtils::GetPresentationURL(mDocShell, presentationURL);
|
|
if (!presentationURL.IsEmpty()) {
|
|
sandboxFlags |= SANDBOXED_AUXILIARY_NAVIGATION;
|
|
}
|
|
mDocShell->SetSandboxFlags(sandboxFlags);
|
|
}
|
|
}
|
|
|
|
/* virtual */ void
|
|
nsFrameLoader::AttributeChanged(nsIDocument* aDocument,
|
|
mozilla::dom::Element* aElement,
|
|
int32_t aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
int32_t aModType,
|
|
const nsAttrValue* aOldValue)
|
|
{
|
|
MOZ_ASSERT(mObservingOwnerContent);
|
|
|
|
if (aNameSpaceID != kNameSpaceID_None || aAttribute != TypeAttrName()) {
|
|
return;
|
|
}
|
|
|
|
if (aElement != mOwnerContent) {
|
|
return;
|
|
}
|
|
|
|
// Note: This logic duplicates a lot of logic in
|
|
// MaybeCreateDocshell. We should fix that.
|
|
|
|
// Notify our enclosing chrome that our type has changed. We only do this
|
|
// if our parent is chrome, since in all other cases we're random content
|
|
// subframes and the treeowner shouldn't worry about us.
|
|
if (!mDocShell) {
|
|
MaybeUpdatePrimaryTabParent(eTabParentChanged);
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> parentItem;
|
|
mDocShell->GetParent(getter_AddRefs(parentItem));
|
|
if (!parentItem) {
|
|
return;
|
|
}
|
|
|
|
if (parentItem->ItemType() != nsIDocShellTreeItem::typeChrome) {
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeOwner> parentTreeOwner;
|
|
parentItem->GetTreeOwner(getter_AddRefs(parentTreeOwner));
|
|
if (!parentTreeOwner) {
|
|
return;
|
|
}
|
|
|
|
nsAutoString value;
|
|
aElement->GetAttr(kNameSpaceID_None, TypeAttrName(), value);
|
|
|
|
bool is_primary = value.LowerCaseEqualsLiteral("content-primary");
|
|
|
|
#ifdef MOZ_XUL
|
|
// when a content panel is no longer primary, hide any open popups it may have
|
|
if (!is_primary) {
|
|
nsXULPopupManager* pm = nsXULPopupManager::GetInstance();
|
|
if (pm)
|
|
pm->HidePopupsInDocShell(mDocShell);
|
|
}
|
|
#endif
|
|
|
|
parentTreeOwner->ContentShellRemoved(mDocShell);
|
|
if (value.LowerCaseEqualsLiteral("content") ||
|
|
StringBeginsWith(value, NS_LITERAL_STRING("content-"),
|
|
nsCaseInsensitiveStringComparator())) {
|
|
bool is_targetable = is_primary ||
|
|
value.LowerCaseEqualsLiteral("content-targetable");
|
|
|
|
parentTreeOwner->ContentShellAdded(mDocShell, is_primary,
|
|
is_targetable, value);
|
|
}
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::ResetPermissionManagerStatus()
|
|
{
|
|
// The resetting of the permissions status can run only
|
|
// in the main process.
|
|
// only in-main-process && in-process frame is handled here and all other
|
|
// cases are handled by ContentParent.
|
|
if (XRE_IsContentProcess() || mRemoteFrame) {
|
|
return;
|
|
}
|
|
|
|
// Finding the new app Id:
|
|
// . first we check if the owner is an app frame
|
|
// . second, we check if the owner is a browser frame
|
|
// in both cases we populate the appId variable.
|
|
uint32_t appId = nsIScriptSecurityManager::NO_APP_ID;
|
|
if (OwnerIsAppFrame()) {
|
|
// You can't be both an app and a browser frame.
|
|
MOZ_ASSERT(!OwnerIsMozBrowserFrame());
|
|
|
|
nsCOMPtr<mozIApplication> ownApp = GetOwnApp();
|
|
MOZ_ASSERT(ownApp);
|
|
uint32_t ownAppId = nsIScriptSecurityManager::NO_APP_ID;
|
|
if (ownApp && NS_SUCCEEDED(ownApp->GetLocalId(&ownAppId))) {
|
|
appId = ownAppId;
|
|
}
|
|
}
|
|
|
|
if (OwnerIsMozBrowserFrame()) {
|
|
// You can't be both a browser and an app frame.
|
|
MOZ_ASSERT(!OwnerIsAppFrame());
|
|
|
|
nsCOMPtr<mozIApplication> containingApp = GetContainingApp();
|
|
uint32_t containingAppId = nsIScriptSecurityManager::NO_APP_ID;
|
|
if (containingApp && NS_SUCCEEDED(containingApp->GetLocalId(&containingAppId))) {
|
|
appId = containingAppId;
|
|
}
|
|
}
|
|
|
|
// Nothing changed.
|
|
if (appId == mAppIdSentToPermissionManager) {
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIPermissionManager> permMgr = services::GetPermissionManager();
|
|
if (!permMgr) {
|
|
NS_ERROR("No PermissionManager available!");
|
|
return;
|
|
}
|
|
|
|
// If previously we registered an appId, we have to unregister it.
|
|
if (mAppIdSentToPermissionManager != nsIScriptSecurityManager::NO_APP_ID) {
|
|
permMgr->ReleaseAppId(mAppIdSentToPermissionManager);
|
|
mAppIdSentToPermissionManager = nsIScriptSecurityManager::NO_APP_ID;
|
|
}
|
|
|
|
// Register the new AppId.
|
|
if (appId != nsIScriptSecurityManager::NO_APP_ID) {
|
|
mAppIdSentToPermissionManager = appId;
|
|
permMgr->AddrefAppId(mAppIdSentToPermissionManager);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Send the RequestNotifyAfterRemotePaint message to the current Tab.
|
|
*/
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::RequestNotifyAfterRemotePaint()
|
|
{
|
|
// If remote browsing (e10s), handle this with the TabParent.
|
|
if (mRemoteBrowser) {
|
|
Unused << mRemoteBrowser->SendRequestNotifyAfterRemotePaint();
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::RequestNotifyLayerTreeReady()
|
|
{
|
|
if (mRemoteBrowser) {
|
|
return mRemoteBrowser->RequestNotifyLayerTreeReady() ? NS_OK : NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
if (!mOwnerContent) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
RefPtr<AsyncEventDispatcher> event =
|
|
new AsyncEventDispatcher(mOwnerContent,
|
|
NS_LITERAL_STRING("MozLayerTreeReady"),
|
|
true, false);
|
|
event->PostDOMEvent();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::RequestNotifyLayerTreeCleared()
|
|
{
|
|
if (mRemoteBrowser) {
|
|
return mRemoteBrowser->RequestNotifyLayerTreeCleared() ? NS_OK : NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
if (!mOwnerContent) {
|
|
return NS_ERROR_NOT_AVAILABLE;
|
|
}
|
|
|
|
RefPtr<AsyncEventDispatcher> event =
|
|
new AsyncEventDispatcher(mOwnerContent,
|
|
NS_LITERAL_STRING("MozLayerTreeCleared"),
|
|
true, false);
|
|
event->PostDOMEvent();
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::Print(uint64_t aOuterWindowID,
|
|
nsIPrintSettings* aPrintSettings,
|
|
nsIWebProgressListener* aProgressListener)
|
|
{
|
|
#if defined(NS_PRINTING)
|
|
if (mRemoteBrowser) {
|
|
RefPtr<embedding::PrintingParent> printingParent =
|
|
mRemoteBrowser->Manager()->AsContentParent()->GetPrintingParent();
|
|
|
|
embedding::PrintData printData;
|
|
nsresult rv = printingParent->SerializeAndEnsureRemotePrintJob(
|
|
aPrintSettings, aProgressListener, nullptr, &printData);
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return rv;
|
|
}
|
|
|
|
bool success = mRemoteBrowser->SendPrint(aOuterWindowID, printData);
|
|
return success ? NS_OK : NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsGlobalWindow* outerWindow =
|
|
nsGlobalWindow::GetOuterWindowWithId(aOuterWindowID);
|
|
if (NS_WARN_IF(!outerWindow)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsIWebBrowserPrint> webBrowserPrint =
|
|
do_GetInterface(outerWindow->AsOuter());
|
|
if (NS_WARN_IF(!webBrowserPrint)) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
return webBrowserPrint->Print(aPrintSettings, aProgressListener);
|
|
#endif
|
|
return NS_OK;
|
|
}
|
|
|
|
/* [infallible] */ NS_IMETHODIMP
|
|
nsFrameLoader::SetVisible(bool aVisible)
|
|
{
|
|
if (mVisible == aVisible) {
|
|
return NS_OK;
|
|
}
|
|
|
|
mVisible = aVisible;
|
|
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
|
|
if (os) {
|
|
os->NotifyObservers(NS_ISUPPORTS_CAST(nsIFrameLoader*, this),
|
|
"frameloader-visible-changed", nullptr);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
/* [infallible] */ NS_IMETHODIMP
|
|
nsFrameLoader::GetVisible(bool* aVisible)
|
|
{
|
|
*aVisible = mVisible;
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetTabParent(nsITabParent** aTabParent)
|
|
{
|
|
nsCOMPtr<nsITabParent> tp = mRemoteBrowser;
|
|
tp.forget(aTabParent);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetLoadContext(nsILoadContext** aLoadContext)
|
|
{
|
|
nsCOMPtr<nsILoadContext> loadContext;
|
|
if (mRemoteBrowser) {
|
|
loadContext = mRemoteBrowser->GetLoadContext();
|
|
} else {
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
GetDocShell(getter_AddRefs(docShell));
|
|
loadContext = do_GetInterface(docShell);
|
|
}
|
|
loadContext.forget(aLoadContext);
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::InitializeBrowserAPI()
|
|
{
|
|
if (OwnerIsMozBrowserOrAppFrame()) {
|
|
if (!IsRemoteFrame()) {
|
|
nsresult rv = EnsureMessageManager();
|
|
if (NS_WARN_IF(NS_FAILED(rv))) {
|
|
return;
|
|
}
|
|
if (mMessageManager) {
|
|
mMessageManager->LoadFrameScript(
|
|
NS_LITERAL_STRING("chrome://global/content/BrowserElementChild.js"),
|
|
/* allowDelayedLoad = */ true,
|
|
/* aRunInGlobalScope */ true);
|
|
}
|
|
}
|
|
nsCOMPtr<nsIMozBrowserFrame> browserFrame = do_QueryInterface(mOwnerContent);
|
|
if (browserFrame) {
|
|
browserFrame->InitializeBrowserAPI();
|
|
}
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::StartPersistence(uint64_t aOuterWindowID,
|
|
nsIWebBrowserPersistDocumentReceiver* aRecv)
|
|
{
|
|
if (!aRecv) {
|
|
return NS_ERROR_INVALID_POINTER;
|
|
}
|
|
|
|
if (mRemoteBrowser) {
|
|
return mRemoteBrowser->StartPersistence(aOuterWindowID, aRecv);
|
|
}
|
|
|
|
nsCOMPtr<nsIDocument> rootDoc =
|
|
mDocShell ? mDocShell->GetDocument() : nullptr;
|
|
nsCOMPtr<nsIDocument> foundDoc;
|
|
if (aOuterWindowID) {
|
|
foundDoc = nsContentUtils::GetSubdocumentWithOuterWindowId(rootDoc, aOuterWindowID);
|
|
} else {
|
|
foundDoc = rootDoc;
|
|
}
|
|
|
|
if (!foundDoc) {
|
|
aRecv->OnError(NS_ERROR_NO_CONTENT);
|
|
} else {
|
|
nsCOMPtr<nsIWebBrowserPersistDocument> pdoc =
|
|
new mozilla::WebBrowserPersistLocalDocument(foundDoc);
|
|
aRecv->OnDocumentReady(pdoc);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::MaybeUpdatePrimaryTabParent(TabParentChange aChange)
|
|
{
|
|
if (mRemoteBrowser && mOwnerContent) {
|
|
nsCOMPtr<nsIDocShell> docShell = mOwnerContent->OwnerDoc()->GetDocShell();
|
|
if (!docShell) {
|
|
return;
|
|
}
|
|
|
|
int32_t parentType = docShell->ItemType();
|
|
if (parentType != nsIDocShellTreeItem::typeChrome) {
|
|
return;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeOwner> parentTreeOwner;
|
|
docShell->GetTreeOwner(getter_AddRefs(parentTreeOwner));
|
|
if (!parentTreeOwner) {
|
|
return;
|
|
}
|
|
|
|
if (!mObservingOwnerContent) {
|
|
mOwnerContent->AddMutationObserver(this);
|
|
mObservingOwnerContent = true;
|
|
}
|
|
|
|
parentTreeOwner->TabParentRemoved(mRemoteBrowser);
|
|
if (aChange == eTabParentChanged) {
|
|
bool isPrimary =
|
|
mOwnerContent->AttrValueIs(kNameSpaceID_None,
|
|
TypeAttrName(),
|
|
NS_LITERAL_STRING("content-primary"),
|
|
eIgnoreCase);
|
|
parentTreeOwner->TabParentAdded(mRemoteBrowser, isPrimary);
|
|
}
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::GetNewTabContext(MutableTabContext* aTabContext,
|
|
nsIURI* aURI,
|
|
const nsACString& aPackageId)
|
|
{
|
|
nsCOMPtr<mozIApplication> ownApp = GetOwnApp();
|
|
nsCOMPtr<mozIApplication> containingApp = GetContainingApp();
|
|
DocShellOriginAttributes attrs;
|
|
attrs.mInIsolatedMozBrowser = OwnerIsIsolatedMozBrowserFrame();
|
|
|
|
nsCString signedPkgOrigin;
|
|
if (!aPackageId.IsEmpty()) {
|
|
// Only when aPackageId is not empty would signed package origin
|
|
// be meaningful.
|
|
nsPrincipal::GetOriginForURI(aURI, signedPkgOrigin);
|
|
}
|
|
|
|
// Get the AppId from ownApp
|
|
uint32_t appId = nsIScriptSecurityManager::NO_APP_ID;
|
|
if (ownApp) {
|
|
nsresult rv = ownApp->GetLocalId(&appId);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_STATE(appId != nsIScriptSecurityManager::NO_APP_ID);
|
|
} else if (containingApp) {
|
|
nsresult rv = containingApp->GetLocalId(&appId);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
NS_ENSURE_STATE(appId != nsIScriptSecurityManager::NO_APP_ID);
|
|
}
|
|
attrs.mAppId = appId;
|
|
|
|
// Populate packageId to signedPkg.
|
|
attrs.mSignedPkg = NS_ConvertUTF8toUTF16(aPackageId);
|
|
|
|
// set the userContextId on the attrs before we pass them into
|
|
// the tab context
|
|
nsAutoString userContextIdStr;
|
|
if (mOwnerContent->HasAttr(kNameSpaceID_None, nsGkAtoms::usercontextid)) {
|
|
mOwnerContent->GetAttr(kNameSpaceID_None,
|
|
nsGkAtoms::usercontextid,
|
|
userContextIdStr);
|
|
}
|
|
if (!userContextIdStr.IsEmpty()) {
|
|
nsresult err;
|
|
uint32_t userContextId = userContextIdStr.ToInteger(&err);
|
|
NS_ENSURE_SUCCESS(err, err);
|
|
attrs.mUserContextId = userContextId;
|
|
}
|
|
|
|
nsAutoString presentationURLStr;
|
|
mOwnerContent->GetAttr(kNameSpaceID_None,
|
|
nsGkAtoms::mozpresentation,
|
|
presentationURLStr);
|
|
|
|
nsCOMPtr<nsIDocShell> docShell = mOwnerContent->OwnerDoc()->GetDocShell();
|
|
nsCOMPtr<nsILoadContext> parentContext = do_QueryInterface(docShell);
|
|
NS_ENSURE_STATE(parentContext);
|
|
|
|
bool isPrivate = parentContext->UsePrivateBrowsing();
|
|
attrs.SyncAttributesWithPrivateBrowsing(isPrivate);
|
|
|
|
UIStateChangeType showAccelerators = UIStateChangeType_NoChange;
|
|
UIStateChangeType showFocusRings = UIStateChangeType_NoChange;
|
|
nsIDocument* doc = mOwnerContent->OwnerDoc();
|
|
if (doc) {
|
|
nsCOMPtr<nsPIWindowRoot> root = nsContentUtils::GetWindowRoot(doc);
|
|
if (root) {
|
|
showAccelerators =
|
|
root->ShowAccelerators() ? UIStateChangeType_Set : UIStateChangeType_Clear;
|
|
showFocusRings =
|
|
root->ShowFocusRings() ? UIStateChangeType_Set : UIStateChangeType_Clear;
|
|
}
|
|
}
|
|
|
|
bool tabContextUpdated =
|
|
aTabContext->SetTabContext(OwnerIsMozBrowserFrame(),
|
|
mIsPrerendered,
|
|
ownApp,
|
|
containingApp,
|
|
showAccelerators,
|
|
showFocusRings,
|
|
attrs,
|
|
signedPkgOrigin,
|
|
presentationURLStr);
|
|
NS_ENSURE_STATE(tabContextUpdated);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::PopulateUserContextIdFromAttribute(DocShellOriginAttributes& aAttr)
|
|
{
|
|
if (aAttr.mUserContextId ==
|
|
nsIScriptSecurityManager::DEFAULT_USER_CONTEXT_ID) {
|
|
// Grab the userContextId from owner if XUL
|
|
nsAutoString userContextIdStr;
|
|
int32_t namespaceID = mOwnerContent->GetNameSpaceID();
|
|
if ((namespaceID == kNameSpaceID_XUL) &&
|
|
mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::usercontextid,
|
|
userContextIdStr) &&
|
|
!userContextIdStr.IsEmpty()) {
|
|
nsresult rv;
|
|
aAttr.mUserContextId = userContextIdStr.ToInteger(&rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|