e34c2a01b2
Backed out changeset 4ca74b217fe8 (bug 1075670) Backed out changeset 83199cfc333f (bug 1075670) Backed out changeset 065b859e6525 (bug 1075670) Backed out changeset a3e8329610d9 (bug 1075670) Backed out changeset ced9055e0bcc (bug 1075670) Backed out changeset e6d6f0c11133 (bug 1075670) Backed out changeset b823c6c95030 (bug 1075670) CLOSED TREE
2745 lines
83 KiB
C++
2745 lines
83 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 sw=2 et tw=78: */
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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 "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 "nsIDOMFile.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 "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/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/CompositorChild.h"
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#include "mozilla/dom/StructuredCloneUtils.h"
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#ifdef MOZ_XUL
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#include "nsXULPopupManager.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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class nsAsyncDocShellDestroyer : public nsRunnable
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{
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public:
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explicit nsAsyncDocShellDestroyer(nsIDocShell* aDocShell)
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: mDocShell(aDocShell)
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{
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}
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NS_IMETHOD Run()
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{
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nsCOMPtr<nsIBaseWindow> base_win(do_QueryInterface(mDocShell));
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if (base_win) {
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base_win->Destroy();
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}
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return NS_OK;
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}
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nsRefPtr<nsIDocShell> mDocShell;
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};
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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_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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, mDetachedSubdocViews(nullptr)
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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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, mCurrentRemoteFrame(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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{
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ResetPermissionManagerStatus();
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}
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nsFrameLoader::~nsFrameLoader()
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{
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mNeedsAsyncDestroy = true;
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if (mMessageManager) {
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mMessageManager->Disconnect();
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}
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nsFrameLoader::Destroy();
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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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NS_ENSURE_TRUE(!doc->IsResourceDoc() &&
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((!doc->IsLoadedAsData() && aOwner->GetComposedDoc()) ||
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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->IsHTML(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->IsXUL() &&
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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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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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nsRefPtr<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::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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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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class DelayedStartLoadingRunnable : public nsRunnable
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{
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public:
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explicit DelayedStartLoadingRunnable(nsFrameLoader* aFrameLoader)
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: mFrameLoader(aFrameLoader)
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{
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}
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NS_IMETHOD Run()
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{
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// Retry the request.
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mFrameLoader->ReallyStartLoading();
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// We delayed nsFrameLoader::ReallyStartLoading() after the child process is
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// ready and might not be able to notify the remote browser in
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// UpdatePositionAndSize() when reflow finished. Retrigger reflow.
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nsIFrame* frame = mFrameLoader->GetPrimaryFrameOfOwningContent();
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if (!frame) {
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return NS_OK;
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}
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frame->InvalidateFrame();
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frame->PresContext()->PresShell()->
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FrameNeedsReflow(frame, nsIPresShell::eResize, NS_FRAME_IS_DIRTY);
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return NS_OK;
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}
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private:
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nsRefPtr<nsFrameLoader> mFrameLoader;
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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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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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if (mRemoteFrame) {
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if (!mRemoteBrowser) {
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TryRemoteBrowser();
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if (!mRemoteBrowser) {
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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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}
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if (mRemoteBrowserShown || ShowRemoteFrame(nsIntSize(0, 0))) {
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// FIXME get error codes from child
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mRemoteBrowser->LoadURL(mURIToLoad);
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} else {
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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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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->SetOwner(mOwnerContent->NodePrincipal());
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nsCOMPtr<nsIURI> referrer;
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nsAutoString srcdoc;
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bool isSrcdoc = mOwnerContent->IsHTML(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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loadInfo->SetReferrerPolicy(mOwnerContent->OwnerDoc()->GetReferrerPolicy());
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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 (OwnerIsBrowserFrame()) {
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flags = nsIWebNavigation::LOAD_FLAGS_ALLOW_THIRD_PARTY_FIXUP |
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nsIWebNavigation::LOAD_FLAGS_DISALLOW_INHERIT_OWNER;
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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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return NS_OK;
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}
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nsresult
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nsFrameLoader::CheckURILoad(nsIURI* aURI)
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{
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// Check for security. The fun part is trying to figure out what principals
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// to use. The way I figure it, if we're doing a LoadFrame() accidentally
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// (eg someone created a frame/iframe node, we're being parsed, XUL iframes
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// are being reframed, etc.) then we definitely want to use the node
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// principal of mOwnerContent for security checks. If, on the other hand,
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// someone's setting the src on our owner content, or created it via script,
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// or whatever, then they can clearly access it... and we should still use
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// the principal of mOwnerContent. I don't think that leads to privilege
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// escalation, and it's reasonably guaranteed to not lead to XSS issues
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// (since caller can already access mOwnerContent in this case). So just use
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// the principal of mOwnerContent no matter what. If script wants to run
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// things with its own permissions, which differ from those of mOwnerContent
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// (which means the script is privileged in some way) it should set
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// window.location instead.
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nsIScriptSecurityManager *secMan = nsContentUtils::GetSecurityManager();
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// Get our principal
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nsIPrincipal* principal = mOwnerContent->NodePrincipal();
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// Check if we are allowed to load absURL
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nsresult rv =
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secMan->CheckLoadURIWithPrincipal(principal, aURI,
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nsIScriptSecurityManager::STANDARD);
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if (NS_FAILED(rv)) {
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return rv; // We're not
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}
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// Bail out if this is an infinite recursion scenario
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rv = MaybeCreateDocShell();
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if (NS_FAILED(rv)) {
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return rv;
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}
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if (mRemoteFrame) {
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return NS_OK;
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}
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return CheckForRecursiveLoad(aURI);
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}
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NS_IMETHODIMP
|
|
nsFrameLoader::GetDocShell(nsIDocShell **aDocShell)
|
|
{
|
|
*aDocShell = nullptr;
|
|
nsresult rv = NS_OK;
|
|
|
|
// 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;
|
|
if (mRemoteFrame) {
|
|
NS_WARNING("No docshells for remote frames!");
|
|
return rv;
|
|
}
|
|
NS_ASSERTION(mDocShell,
|
|
"MaybeCreateDocShell succeeded, but null mDocShell");
|
|
}
|
|
|
|
*aDocShell = mDocShell;
|
|
NS_IF_ADDREF(*aDocShell);
|
|
|
|
return rv;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::Finalize()
|
|
{
|
|
nsCOMPtr<nsIBaseWindow> base_win(do_QueryInterface(mDocShell));
|
|
if (base_win) {
|
|
base_win->Destroy();
|
|
}
|
|
mDocShell = nullptr;
|
|
}
|
|
|
|
static void
|
|
FirePageHideEvent(nsIDocShellTreeItem* aItem,
|
|
EventTarget* aChromeEventHandler)
|
|
{
|
|
nsCOMPtr<nsIDocument> doc = aItem->GetDocument();
|
|
NS_ASSERTION(doc, "What happened here?");
|
|
doc->OnPageHide(true, aChromeEventHandler);
|
|
|
|
int32_t childCount = 0;
|
|
aItem->GetChildCount(&childCount);
|
|
nsAutoTArray<nsCOMPtr<nsIDocShellTreeItem>, 8> kids;
|
|
kids.AppendElements(childCount);
|
|
for (int32_t i = 0; i < childCount; ++i) {
|
|
aItem->GetChildAt(i, getter_AddRefs(kids[i]));
|
|
}
|
|
|
|
for (uint32_t i = 0; i < kids.Length(); ++i) {
|
|
if (kids[i]) {
|
|
FirePageHideEvent(kids[i], aChromeEventHandler);
|
|
}
|
|
}
|
|
}
|
|
|
|
// The pageshow event is fired for a given document only if IsShowing() returns
|
|
// the same thing as aFireIfShowing. This gives us a way to fire pageshow only
|
|
// on documents that are still loading or only on documents that are already
|
|
// loaded.
|
|
static void
|
|
FirePageShowEvent(nsIDocShellTreeItem* aItem,
|
|
EventTarget* aChromeEventHandler,
|
|
bool aFireIfShowing)
|
|
{
|
|
int32_t childCount = 0;
|
|
aItem->GetChildCount(&childCount);
|
|
nsAutoTArray<nsCOMPtr<nsIDocShellTreeItem>, 8> kids;
|
|
kids.AppendElements(childCount);
|
|
for (int32_t i = 0; i < childCount; ++i) {
|
|
aItem->GetChildAt(i, getter_AddRefs(kids[i]));
|
|
}
|
|
|
|
for (uint32_t i = 0; i < kids.Length(); ++i) {
|
|
if (kids[i]) {
|
|
FirePageShowEvent(kids[i], aChromeEventHandler, aFireIfShowing);
|
|
}
|
|
}
|
|
|
|
nsCOMPtr<nsIDocument> doc = aItem->GetDocument();
|
|
NS_ASSERTION(doc, "What happened here?");
|
|
if (doc->IsShowing() == aFireIfShowing) {
|
|
doc->OnPageShow(true, aChromeEventHandler);
|
|
}
|
|
}
|
|
|
|
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_STACK_CLASS 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;
|
|
|
|
nsresult rv = MaybeCreateDocShell();
|
|
if (NS_FAILED(rv)) {
|
|
return false;
|
|
}
|
|
|
|
if (!mRemoteFrame) {
|
|
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;
|
|
}
|
|
}
|
|
|
|
nsIntSize size = frame->GetSubdocumentSize();
|
|
if (mRemoteFrame) {
|
|
return ShowRemoteFrame(size, frame);
|
|
}
|
|
|
|
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
|
|
nsCOMPtr<nsIPresShell> 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 (mRemoteFrame)
|
|
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.
|
|
nsRefPtr<nsPresContext> presContext;
|
|
mDocShell->GetPresContext(getter_AddRefs(presContext));
|
|
if (presContext)
|
|
presContext->RebuildAllStyleData(nsChangeHint(0), eRestyle_Subtree);
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::ShowRemoteFrame(const nsIntSize& size,
|
|
nsSubDocumentFrame *aFrame)
|
|
{
|
|
NS_ASSERTION(mRemoteFrame, "ShowRemote only makes sense on remote frames.");
|
|
|
|
if (!mRemoteBrowser) {
|
|
TryRemoteBrowser();
|
|
|
|
if (!mRemoteBrowser) {
|
|
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;
|
|
}
|
|
|
|
nsRefPtr<layers::LayerManager> layerManager =
|
|
nsContentUtils::LayerManagerForDocument(mOwnerContent->GetComposedDoc());
|
|
if (!layerManager) {
|
|
// This is just not going to work.
|
|
return false;
|
|
}
|
|
|
|
nsPIDOMWindow* win = mOwnerContent->OwnerDoc()->GetWindow();
|
|
bool parentIsActive = false;
|
|
if (win) {
|
|
nsCOMPtr<nsPIWindowRoot> windowRoot =
|
|
static_cast<nsGlobalWindow*>(win)->GetTopWindowRoot();
|
|
if (windowRoot) {
|
|
nsPIDOMWindow* topWin = windowRoot->GetWindow();
|
|
parentIsActive = topWin && topWin->IsActive();
|
|
}
|
|
}
|
|
mRemoteBrowser->Show(size, parentIsActive);
|
|
mRemoteBrowserShown = true;
|
|
|
|
EnsureMessageManager();
|
|
|
|
InitializeBrowserAPI();
|
|
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)) {
|
|
nsIntPoint chromeDisp = aFrame->GetChromeDisplacement();
|
|
mRemoteBrowser->UpdateDimensions(dimensions, size, chromeDisp);
|
|
}
|
|
}
|
|
|
|
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,
|
|
nsRefPtr<nsFrameLoader>& aFirstToSwap,
|
|
nsRefPtr<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 (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;
|
|
}
|
|
|
|
// Native plugin windows used by this remote content need to be reparented.
|
|
const nsTArray<mozilla::plugins::PPluginWidgetParent*>& plugins =
|
|
aOther->mRemoteBrowser->ManagedPPluginWidgetParent();
|
|
nsPIDOMWindow* newWin = ourDoc->GetWindow();
|
|
if (newWin) {
|
|
nsRefPtr<nsIWidget> newParent = ((nsGlobalWindow*)newWin)->GetMainWidget();
|
|
for (uint32_t idx = 0; idx < plugins.Length(); ++idx) {
|
|
static_cast<mozilla::plugins::PluginWidgetParent*>(plugins[idx])->SetParent(newParent);
|
|
}
|
|
}
|
|
|
|
SetOwnerContent(otherContent);
|
|
aOther->SetOwnerContent(ourContent);
|
|
|
|
mRemoteBrowser->SetOwnerElement(otherContent);
|
|
aOther->mRemoteBrowser->SetOwnerElement(ourContent);
|
|
|
|
nsRefPtr<nsFrameMessageManager> ourMessageManager = mMessageManager;
|
|
nsRefPtr<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);
|
|
|
|
ourDoc->FlushPendingNotifications(Flush_Layout);
|
|
otherDoc->FlushPendingNotifications(Flush_Layout);
|
|
|
|
mInSwap = aOther->mInSwap = false;
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::SwapWithOtherLoader(nsFrameLoader* aOther,
|
|
nsRefPtr<nsFrameLoader>& aFirstToSwap,
|
|
nsRefPtr<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 (mRemoteFrame && aOther->mRemoteFrame) {
|
|
return SwapWithOtherRemoteLoader(aOther, aFirstToSwap, aSecondToSwap);
|
|
}
|
|
|
|
if (mRemoteFrame || aOther->mRemoteFrame) {
|
|
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;
|
|
}
|
|
|
|
// 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;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> ourDocshell = GetExistingDocShell();
|
|
nsCOMPtr<nsIDocShell> otherDocshell = 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<nsPIDOMWindow> ourWindow = ourDocshell->GetWindow();
|
|
nsCOMPtr<nsPIDOMWindow> 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->GetIsBrowserElement() !=
|
|
otherDocshell->GetIsBrowserElement() ||
|
|
ourDocshell->GetIsApp() != otherDocshell->GetIsApp()) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
if (mInSwap || aOther->mInSwap) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
mInSwap = aOther->mInSwap = 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.
|
|
FirePageShowEvent(ourDocshell, ourEventTarget, false);
|
|
FirePageShowEvent(otherDocshell, otherEventTarget, false);
|
|
FirePageHideEvent(ourDocshell, ourEventTarget);
|
|
FirePageHideEvent(otherDocshell, otherEventTarget);
|
|
|
|
nsIFrame* ourFrame = ourContent->GetPrimaryFrame();
|
|
nsIFrame* otherFrame = otherContent->GetPrimaryFrame();
|
|
if (!ourFrame || !otherFrame) {
|
|
mInSwap = aOther->mInSwap = false;
|
|
FirePageShowEvent(ourDocshell, ourEventTarget, true);
|
|
FirePageShowEvent(otherDocshell, otherEventTarget, true);
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
nsSubDocumentFrame* ourFrameFrame = do_QueryFrame(ourFrame);
|
|
if (!ourFrameFrame) {
|
|
mInSwap = aOther->mInSwap = false;
|
|
FirePageShowEvent(ourDocshell, ourEventTarget, true);
|
|
FirePageShowEvent(otherDocshell, otherEventTarget, true);
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
// OK. First begin to swap the docshells in the two nsIFrames
|
|
rv = ourFrameFrame->BeginSwapDocShells(otherFrame);
|
|
if (NS_FAILED(rv)) {
|
|
mInSwap = aOther->mInSwap = false;
|
|
FirePageShowEvent(ourDocshell, ourEventTarget, true);
|
|
FirePageShowEvent(otherDocshell, otherEventTarget, true);
|
|
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 : nullptr);
|
|
SetTreeOwnerAndChromeEventHandlerOnDocshellTree(otherDocshell, ourOwner,
|
|
ourType == nsIDocShellTreeItem::typeContent ? ourChromeEventHandler : 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);
|
|
|
|
nsRefPtr<nsFrameMessageManager> ourMessageManager = mMessageManager;
|
|
nsRefPtr<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);
|
|
|
|
FirePageShowEvent(ourDocshell, ourEventTarget, true);
|
|
FirePageShowEvent(otherDocshell, otherEventTarget, true);
|
|
|
|
mInSwap = aOther->mInSwap = false;
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::DestroyChild()
|
|
{
|
|
if (mRemoteBrowser) {
|
|
mRemoteBrowser->SetOwnerElement(nullptr);
|
|
mRemoteBrowser->Destroy();
|
|
mRemoteBrowser = nullptr;
|
|
}
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::Destroy()
|
|
{
|
|
if (mDestroyCalled) {
|
|
return NS_OK;
|
|
}
|
|
mDestroyCalled = true;
|
|
|
|
if (mMessageManager) {
|
|
mMessageManager->Disconnect();
|
|
}
|
|
if (mChildMessageManager) {
|
|
static_cast<nsInProcessTabChildGlobal*>(mChildMessageManager.get())->Disconnect();
|
|
}
|
|
|
|
nsCOMPtr<nsIDocument> doc;
|
|
bool dynamicSubframeRemoval = false;
|
|
if (mOwnerContent) {
|
|
doc = mOwnerContent->OwnerDoc();
|
|
dynamicSubframeRemoval = !mIsTopLevelContent && !doc->InUnlinkOrDeletion();
|
|
doc->SetSubDocumentFor(mOwnerContent, nullptr);
|
|
|
|
SetOwnerContent(nullptr);
|
|
}
|
|
DestroyChild();
|
|
|
|
// 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<nsPIDOMWindow> win_private(mDocShell->GetWindow());
|
|
if (win_private) {
|
|
win_private->SetFrameElementInternal(nullptr);
|
|
}
|
|
}
|
|
|
|
if ((mNeedsAsyncDestroy || !doc ||
|
|
NS_FAILED(doc->FinalizeFrameLoader(this))) && mDocShell) {
|
|
nsCOMPtr<nsIRunnable> event = new nsAsyncDocShellDestroyer(mDocShell);
|
|
NS_ENSURE_TRUE(event, NS_ERROR_OUT_OF_MEMORY);
|
|
NS_DispatchToCurrentThread(event);
|
|
|
|
// Let go of our docshell now that the async destroyer holds on to
|
|
// the docshell.
|
|
|
|
mDocShell = nullptr;
|
|
}
|
|
|
|
// NOTE: 'this' may very well be gone by now.
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
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 = GetCurrentRemoteFrame()) {
|
|
rfp->OwnerContentChanged(aContent);
|
|
}
|
|
|
|
ResetPermissionManagerStatus();
|
|
}
|
|
|
|
bool
|
|
nsFrameLoader::OwnerIsBrowserOrAppFrame()
|
|
{
|
|
nsCOMPtr<nsIMozBrowserFrame> browserFrame = do_QueryInterface(mOwnerContent);
|
|
return browserFrame ? browserFrame->GetReallyIsBrowserOrApp() : false;
|
|
}
|
|
|
|
// The xpcom getter version
|
|
NS_IMETHODIMP
|
|
nsFrameLoader::GetOwnerIsBrowserOrAppFrame(bool* aResult)
|
|
{
|
|
*aResult = OwnerIsBrowserOrAppFrame();
|
|
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::OwnerIsBrowserFrame()
|
|
{
|
|
return OwnerIsBrowserOrAppFrame() && !OwnerIsAppFrame();
|
|
}
|
|
|
|
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_GetProcessType() == GeckoProcessType_Content &&
|
|
!CompositorChild::ChildProcessHasCompositor()) {
|
|
return false;
|
|
}
|
|
|
|
if (XRE_GetProcessType() == GeckoProcessType_Content &&
|
|
!(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 (OwnerIsBrowserOrAppFrame() &&
|
|
!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 (OwnerIsBrowserOrAppFrame() ||
|
|
mOwnerContent->GetNameSpaceID() == kNameSpaceID_XUL) &&
|
|
mOwnerContent->AttrValueIs(kNameSpaceID_None,
|
|
nsGkAtoms::Remote,
|
|
nsGkAtoms::_true,
|
|
eCaseMatters);
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::MaybeCreateDocShell()
|
|
{
|
|
if (mDocShell) {
|
|
return NS_OK;
|
|
}
|
|
if (mRemoteFrame) {
|
|
return NS_OK;
|
|
}
|
|
NS_ENSURE_STATE(!mDestroyCalled);
|
|
|
|
if (ShouldUseRemoteProcess()) {
|
|
mRemoteFrame = true;
|
|
return NS_OK;
|
|
}
|
|
|
|
// 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();
|
|
if (!(doc->IsStaticDocument() || mOwnerContent->IsInComposedDoc())) {
|
|
return NS_ERROR_UNEXPECTED;
|
|
}
|
|
|
|
if (doc->IsResourceDoc() || !doc->IsActive()) {
|
|
// Don't allow subframe loads in resource documents, nor
|
|
// in non-active documents.
|
|
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(true);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
}
|
|
|
|
// Apply sandbox flags even if our owner is not an iframe, as this copies
|
|
// flags from our owning content's owning document.
|
|
uint32_t sandboxFlags = 0;
|
|
HTMLIFrameElement* iframe = HTMLIFrameElement::FromContent(mOwnerContent);
|
|
if (iframe) {
|
|
sandboxFlags = iframe->GetSandboxFlags();
|
|
}
|
|
ApplySandboxFlags(sandboxFlags);
|
|
|
|
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<nsPIDOMWindow> 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->IsXUL(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);
|
|
}
|
|
|
|
EnsureMessageManager();
|
|
|
|
if (OwnerIsAppFrame()) {
|
|
// You can't be both an app and a browser frame.
|
|
MOZ_ASSERT(!OwnerIsBrowserFrame());
|
|
|
|
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);
|
|
}
|
|
|
|
mDocShell->SetIsApp(ownAppId);
|
|
}
|
|
|
|
if (OwnerIsBrowserFrame()) {
|
|
// 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);
|
|
}
|
|
mDocShell->SetIsBrowserInsideApp(containingAppId);
|
|
}
|
|
|
|
InitializeBrowserAPI();
|
|
nsCOMPtr<nsIObserverService> os = services::GetObserverService();
|
|
if (os) {
|
|
os->NotifyObservers(NS_ISUPPORTS_CAST(nsIFrameLoader*, this),
|
|
"inprocess-browser-shown", nullptr);
|
|
}
|
|
|
|
if (OwnerIsBrowserOrAppFrame() && mMessageManager) {
|
|
mMessageManager->LoadFrameScript(
|
|
NS_LITERAL_STRING("chrome://global/content/BrowserElementChild.js"),
|
|
/* allowDelayedLoad = */ true,
|
|
/* aRunInGlobalScope */ true);
|
|
// For inproc frames, set the docshell properties.
|
|
nsCOMPtr<nsIDocShellTreeItem> item = do_GetInterface(docShell);
|
|
nsAutoString name;
|
|
if (mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::name, name)) {
|
|
item->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) {
|
|
bool nonBlank;
|
|
mDocShell->GetHasLoadedNonBlankURI(&nonBlank);
|
|
if (nonBlank) {
|
|
nsContentUtils::ReportToConsoleNonLocalized(
|
|
NS_LITERAL_STRING("We should not switch to Private Browsing after loading a document."),
|
|
nsIScriptError::warningFlag,
|
|
NS_LITERAL_CSTRING("mozprivatebrowsing"),
|
|
nullptr);
|
|
} else {
|
|
nsCOMPtr<nsILoadContext> context = do_GetInterface(mDocShell);
|
|
context->SetUsePrivateBrowsing(true);
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::GetURL(nsString& aURI)
|
|
{
|
|
aURI.Truncate();
|
|
|
|
if (mOwnerContent->Tag() == nsGkAtoms::object) {
|
|
mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::data, aURI);
|
|
} else {
|
|
mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::src, aURI);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::CheckForRecursiveLoad(nsIURI* aURI)
|
|
{
|
|
nsresult rv;
|
|
|
|
mDepthTooGreat = false;
|
|
rv = MaybeCreateDocShell();
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
NS_ASSERTION(!mRemoteFrame,
|
|
"Shouldn't call CheckForRecursiveLoad on remote frames.");
|
|
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;
|
|
}
|
|
|
|
if (doc->IsResourceDoc()) {
|
|
return NS_ERROR_FAILURE;
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindow> 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 (mRemoteFrame) {
|
|
if (mRemoteBrowser) {
|
|
nsIntSize size = aIFrame->GetSubdocumentSize();
|
|
nsIntRect dimensions;
|
|
NS_ENSURE_SUCCESS(GetWindowDimensions(dimensions), NS_ERROR_FAILURE);
|
|
nsIntPoint chromeDisp = aIFrame->GetChromeDisplacement();
|
|
mRemoteBrowser->UpdateDimensions(dimensions, size, chromeDisp);
|
|
}
|
|
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;
|
|
}
|
|
|
|
nsIntSize size = aIFrame->GetSubdocumentSize();
|
|
|
|
baseWindow->SetPositionAndSize(x, y, size.width, size.height, false);
|
|
}
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
if (doc->IsResourceDoc()) {
|
|
// Don't allow subframe loads in external reference documents
|
|
return false;
|
|
}
|
|
|
|
nsCOMPtr<nsPIDOMWindow> 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 (!OwnerIsBrowserOrAppFrame()) {
|
|
if (parentDocShell->ItemType() != nsIDocShellTreeItem::typeChrome) {
|
|
return false;
|
|
}
|
|
|
|
if (!mOwnerContent->IsXUL()) {
|
|
return false;
|
|
}
|
|
|
|
nsAutoString value;
|
|
mOwnerContent->GetAttr(kNameSpaceID_None, nsGkAtoms::type, value);
|
|
|
|
if (!value.LowerCaseEqualsLiteral("content") &&
|
|
!StringBeginsWith(value, NS_LITERAL_STRING("content-"),
|
|
nsCaseInsensitiveStringComparator())) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
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;
|
|
nsCOMPtr<mozIApplication> ownApp = GetOwnApp();
|
|
nsCOMPtr<mozIApplication> containingApp = GetContainingApp();
|
|
ScrollingBehavior scrollingBehavior = DEFAULT_SCROLLING;
|
|
|
|
if (Preferences::GetBool("layers.async-pan-zoom.enabled", false) ||
|
|
mOwnerContent->AttrValueIs(kNameSpaceID_None,
|
|
nsGkAtoms::mozasyncpanzoom,
|
|
nsGkAtoms::_true,
|
|
eCaseMatters)) {
|
|
scrollingBehavior = ASYNC_PAN_ZOOM;
|
|
}
|
|
|
|
bool rv = true;
|
|
if (ownApp) {
|
|
rv = context.SetTabContextForAppFrame(ownApp, containingApp, scrollingBehavior);
|
|
} else if (OwnerIsBrowserFrame()) {
|
|
// The |else| above is unnecessary; OwnerIsBrowserFrame() implies !ownApp.
|
|
rv = context.SetTabContextForBrowserFrame(containingApp, scrollingBehavior);
|
|
} else {
|
|
rv = context.SetTabContextForNormalFrame(scrollingBehavior);
|
|
}
|
|
NS_ENSURE_TRUE(rv, false);
|
|
|
|
nsCOMPtr<Element> ownerElement = mOwnerContent;
|
|
mRemoteBrowser = ContentParent::CreateBrowserOrApp(context, ownerElement, openerContentParent);
|
|
if (mRemoteBrowser) {
|
|
mChildID = mRemoteBrowser->Manager()->ChildID();
|
|
nsCOMPtr<nsIDocShellTreeItem> rootItem;
|
|
parentDocShell->GetRootTreeItem(getter_AddRefs(rootItem));
|
|
nsCOMPtr<nsIDOMWindow> rootWin = rootItem->GetWindow();
|
|
nsCOMPtr<nsIDOMChromeWindow> rootChromeWin = do_QueryInterface(rootWin);
|
|
|
|
if (rootChromeWin) {
|
|
nsCOMPtr<nsIBrowserDOMWindow> browserDOMWin;
|
|
rootChromeWin->GetBrowserDOMWindow(getter_AddRefs(browserDOMWin));
|
|
mRemoteBrowser->SetBrowserDOMWindow(browserDOMWin);
|
|
}
|
|
|
|
mContentParent = mRemoteBrowser->Manager();
|
|
|
|
if (mOwnerContent->AttrValueIs(kNameSpaceID_None,
|
|
nsGkAtoms::mozpasspointerevents,
|
|
nsGkAtoms::_true,
|
|
eCaseMatters)) {
|
|
unused << mRemoteBrowser->SendSetUpdateHitRegion(true);
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
mozilla::dom::PBrowserParent*
|
|
nsFrameLoader::GetRemoteBrowser()
|
|
{
|
|
return mRemoteBrowser;
|
|
}
|
|
|
|
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);
|
|
}
|
|
nsRefPtr<nsInProcessTabChildGlobal> tabChild =
|
|
static_cast<nsInProcessTabChildGlobal*>(GetTabChildGlobalAsEventTarget());
|
|
if (tabChild) {
|
|
tabChild->LoadFrameScript(aURL, aRunInGlobalScope);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
class nsAsyncMessageToChild : public nsSameProcessAsyncMessageBase,
|
|
public nsRunnable
|
|
{
|
|
public:
|
|
nsAsyncMessageToChild(JSContext* aCx,
|
|
nsFrameLoader* aFrameLoader,
|
|
const nsAString& aMessage,
|
|
const StructuredCloneData& aData,
|
|
JS::Handle<JSObject *> aCpows,
|
|
nsIPrincipal* aPrincipal)
|
|
: nsSameProcessAsyncMessageBase(aCx, aMessage, aData, aCpows, aPrincipal)
|
|
, mFrameLoader(aFrameLoader)
|
|
{
|
|
}
|
|
|
|
NS_IMETHOD Run()
|
|
{
|
|
nsInProcessTabChildGlobal* tabChild =
|
|
static_cast<nsInProcessTabChildGlobal*>(mFrameLoader->mChildMessageManager.get());
|
|
if (tabChild && tabChild->GetInnerManager()) {
|
|
nsCOMPtr<nsIXPConnectJSObjectHolder> kungFuDeathGrip(tabChild->GetGlobal());
|
|
ReceiveMessage(static_cast<EventTarget*>(tabChild),
|
|
tabChild->GetInnerManager());
|
|
}
|
|
return NS_OK;
|
|
}
|
|
nsRefPtr<nsFrameLoader> mFrameLoader;
|
|
};
|
|
|
|
bool
|
|
nsFrameLoader::DoSendAsyncMessage(JSContext* aCx,
|
|
const nsAString& aMessage,
|
|
const StructuredCloneData& aData,
|
|
JS::Handle<JSObject *> aCpows,
|
|
nsIPrincipal* aPrincipal)
|
|
{
|
|
TabParent* tabParent = mRemoteBrowser;
|
|
if (tabParent) {
|
|
ClonedMessageData data;
|
|
nsIContentParent* cp = tabParent->Manager();
|
|
if (!BuildClonedMessageDataForParent(cp, aData, data)) {
|
|
return false;
|
|
}
|
|
InfallibleTArray<mozilla::jsipc::CpowEntry> cpows;
|
|
if (aCpows && !cp->GetCPOWManager()->Wrap(aCx, aCpows, &cpows)) {
|
|
return false;
|
|
}
|
|
return tabParent->SendAsyncMessage(nsString(aMessage), data, cpows,
|
|
IPC::Principal(aPrincipal));
|
|
}
|
|
|
|
if (mChildMessageManager) {
|
|
nsRefPtr<nsIRunnable> ev = new nsAsyncMessageToChild(aCx, this, aMessage,
|
|
aData, aCpows,
|
|
aPrincipal);
|
|
NS_DispatchToCurrentThread(ev);
|
|
return true;
|
|
}
|
|
|
|
// We don't have any targets to send our asynchronous message to.
|
|
return false;
|
|
}
|
|
|
|
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) {
|
|
CallQueryInterface(mMessageManager, aManager);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsFrameLoader::EnsureMessageManager()
|
|
{
|
|
NS_ENSURE_STATE(mOwnerContent);
|
|
|
|
nsresult rv = MaybeCreateDocShell();
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
if (!mIsTopLevelContent &&
|
|
!OwnerIsBrowserOrAppFrame() &&
|
|
!mRemoteFrame &&
|
|
!(mOwnerContent->IsXUL() &&
|
|
mOwnerContent->AttrValueIs(kNameSpaceID_None,
|
|
nsGkAtoms::forcemessagemanager,
|
|
nsGkAtoms::_true, eCaseMatters))) {
|
|
return NS_OK;
|
|
}
|
|
|
|
bool useRemoteProcess = ShouldUseRemoteProcess();
|
|
if (mMessageManager) {
|
|
if (useRemoteProcess && mRemoteBrowserShown) {
|
|
mMessageManager->InitWithCallback(this);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDOMChromeWindow> chromeWindow =
|
|
do_QueryInterface(GetOwnerDoc()->GetWindow());
|
|
nsCOMPtr<nsIMessageBroadcaster> parentManager;
|
|
|
|
if (chromeWindow) {
|
|
nsAutoString messagemanagergroup;
|
|
if (mOwnerContent->IsXUL() &&
|
|
mOwnerContent->GetAttr(kNameSpaceID_None,
|
|
nsGkAtoms::messagemanagergroup,
|
|
messagemanagergroup)) {
|
|
chromeWindow->GetGroupMessageManager(messagemanagergroup, getter_AddRefs(parentManager));
|
|
}
|
|
|
|
if (!parentManager) {
|
|
chromeWindow->GetMessageManager(getter_AddRefs(parentManager));
|
|
}
|
|
}
|
|
|
|
if (useRemoteProcess) {
|
|
mMessageManager = new nsFrameMessageManager(mRemoteBrowserShown ? this : nullptr,
|
|
static_cast<nsFrameMessageManager*>(parentManager.get()),
|
|
MM_CHROME);
|
|
} else {
|
|
mMessageManager = new nsFrameMessageManager(nullptr,
|
|
static_cast<nsFrameMessageManager*>(parentManager.get()),
|
|
MM_CHROME);
|
|
|
|
mChildMessageManager =
|
|
new nsInProcessTabChildGlobal(mDocShell, mOwnerContent, mMessageManager);
|
|
// Force pending frame scripts to be loaded.
|
|
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);
|
|
MOZ_ASSERT(!mCurrentRemoteFrame);
|
|
mRemoteFrame = true;
|
|
mRemoteBrowser = TabParent::GetFrom(aTabParent);
|
|
mChildID = mRemoteBrowser ? mRemoteBrowser->Manager()->ChildID() : 0;
|
|
ShowRemoteFrame(nsIntSize(0, 0));
|
|
}
|
|
|
|
void
|
|
nsFrameLoader::SetDetachedSubdocView(nsView* aDetachedViews,
|
|
nsIDocument* aContainerDoc)
|
|
{
|
|
mDetachedSubdocViews = aDetachedViews;
|
|
mContainerDocWhileDetached = aContainerDoc;
|
|
}
|
|
|
|
nsView*
|
|
nsFrameLoader::GetDetachedSubdocView(nsIDocument** aContainerDoc) const
|
|
{
|
|
NS_IF_ADDREF(*aContainerDoc = mContainerDocWhileDetached);
|
|
return mDetachedSubdocViews;
|
|
}
|
|
|
|
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;
|
|
mDocShell->SetSandboxFlags(sandboxFlags);
|
|
}
|
|
}
|
|
|
|
/* virtual */ void
|
|
nsFrameLoader::AttributeChanged(nsIDocument* aDocument,
|
|
mozilla::dom::Element* aElement,
|
|
int32_t aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
int32_t aModType)
|
|
{
|
|
MOZ_ASSERT(mObservingOwnerContent);
|
|
// TODO: Implement ContentShellAdded for remote browsers (bug 658304)
|
|
MOZ_ASSERT(!mRemoteBrowser);
|
|
|
|
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) {
|
|
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.
|
|
if (XRE_GetProcessType() == GeckoProcessType_Content) {
|
|
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(!OwnerIsBrowserFrame());
|
|
|
|
nsCOMPtr<mozIApplication> ownApp = GetOwnApp();
|
|
MOZ_ASSERT(ownApp);
|
|
uint32_t ownAppId = nsIScriptSecurityManager::NO_APP_ID;
|
|
if (ownApp && NS_SUCCEEDED(ownApp->GetLocalId(&ownAppId))) {
|
|
appId = ownAppId;
|
|
}
|
|
}
|
|
|
|
if (OwnerIsBrowserFrame()) {
|
|
// 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;
|
|
}
|
|
|
|
// If not remote browsing, directly use the document's window.
|
|
nsCOMPtr<nsPIDOMWindow> window = do_GetInterface(mDocShell);
|
|
if (!window) {
|
|
NS_WARNING("Unable to get window for synchronous MozAfterRemotePaint event.");
|
|
return NS_OK;
|
|
}
|
|
|
|
window->SetRequestNotifyAfterRemotePaint();
|
|
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()
|
|
{
|
|
nsCOMPtr<nsIMozBrowserFrame> browserFrame = do_QueryInterface(mOwnerContent);
|
|
if (browserFrame) {
|
|
browserFrame->InitializeBrowserAPI();
|
|
}
|
|
}
|