зеркало из https://github.com/mozilla/pjs.git
1080 строки
33 KiB
C++
1080 строки
33 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Travis Bogard <travis@netscape.com>
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* HÂkan Waara <hwaara@chello.se>
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* Mats Palmgren <matspal@gmail.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either of the GNU General Public License Version 2 or later (the "GPL"),
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* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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/*
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* rendering object for replaced elements that contain a document, such
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* as <frame>, <iframe>, and some <object>s
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*/
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#include "mozilla/layout/RenderFrameParent.h"
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#include "nsSubDocumentFrame.h"
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#include "nsCOMPtr.h"
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#include "nsGenericHTMLElement.h"
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#include "nsIDocShell.h"
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#include "nsIDocShellLoadInfo.h"
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#include "nsIDocShellTreeItem.h"
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#include "nsIDocShellTreeNode.h"
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#include "nsIDocShellTreeOwner.h"
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#include "nsIBaseWindow.h"
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#include "nsIContentViewer.h"
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#include "nsPresContext.h"
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#include "nsIPresShell.h"
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#include "nsIComponentManager.h"
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#include "nsFrameManager.h"
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#include "nsIStreamListener.h"
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#include "nsIURL.h"
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#include "nsNetUtil.h"
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#include "nsIDocument.h"
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#include "nsIView.h"
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#include "nsIViewManager.h"
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#include "nsGkAtoms.h"
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#include "nsStyleCoord.h"
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#include "nsStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsFrameSetFrame.h"
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#include "nsIDOMHTMLFrameElement.h"
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#include "nsIDOMHTMLIFrameElement.h"
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#include "nsIDOMXULElement.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsXPIDLString.h"
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#include "nsIScrollable.h"
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#include "nsINameSpaceManager.h"
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#include "nsWeakReference.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMDocument.h"
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#include "nsDisplayList.h"
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#include "nsUnicharUtils.h"
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#include "nsIScrollableFrame.h"
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#include "nsIObjectLoadingContent.h"
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#include "nsLayoutUtils.h"
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#include "FrameLayerBuilder.h"
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#include "nsObjectFrame.h"
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#include "nsIServiceManager.h"
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#include "nsContentUtils.h"
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#ifdef MOZ_XUL
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#include "nsXULPopupManager.h"
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#endif
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// For Accessibility
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#ifdef ACCESSIBILITY
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#include "nsAccessibilityService.h"
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#endif
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using namespace mozilla;
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using mozilla::layout::RenderFrameParent;
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static nsIDocument*
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GetDocumentFromView(nsIView* aView)
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{
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NS_PRECONDITION(aView, "");
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nsIFrame* f = aView->GetFrame();
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nsIPresShell* ps = f ? f->PresContext()->PresShell() : nsnull;
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return ps ? ps->GetDocument() : nsnull;
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}
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class AsyncFrameInit;
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nsSubDocumentFrame::nsSubDocumentFrame(nsStyleContext* aContext)
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: nsLeafFrame(aContext)
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, mIsInline(false)
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, mPostedReflowCallback(false)
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, mDidCreateDoc(false)
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, mCallingShow(false)
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{
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}
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#ifdef ACCESSIBILITY
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already_AddRefed<nsAccessible>
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nsSubDocumentFrame::CreateAccessible()
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{
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nsAccessibilityService* accService = nsIPresShell::AccService();
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return accService ?
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accService->CreateOuterDocAccessible(mContent, PresContext()->PresShell()) :
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nsnull;
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}
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#endif
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NS_QUERYFRAME_HEAD(nsSubDocumentFrame)
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NS_QUERYFRAME_ENTRY(nsSubDocumentFrame)
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NS_QUERYFRAME_TAIL_INHERITING(nsLeafFrame)
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class AsyncFrameInit : public nsRunnable
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{
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public:
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AsyncFrameInit(nsIFrame* aFrame) : mFrame(aFrame) {}
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NS_IMETHOD Run()
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{
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if (mFrame.IsAlive()) {
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static_cast<nsSubDocumentFrame*>(mFrame.GetFrame())->ShowViewer();
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}
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return NS_OK;
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}
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private:
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nsWeakFrame mFrame;
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};
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NS_IMETHODIMP
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nsSubDocumentFrame::Init(nsIContent* aContent,
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nsIFrame* aParent,
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nsIFrame* aPrevInFlow)
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{
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// determine if we are a <frame> or <iframe>
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if (aContent) {
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nsCOMPtr<nsIDOMHTMLFrameElement> frameElem = do_QueryInterface(aContent);
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mIsInline = frameElem ? false : true;
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}
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nsresult rv = nsLeafFrame::Init(aContent, aParent, aPrevInFlow);
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if (NS_FAILED(rv))
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return rv;
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// We are going to create an inner view. If we need a view for the
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// OuterFrame but we wait for the normal view creation path in
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// nsCSSFrameConstructor, then we will lose because the inner view's
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// parent will already have been set to some outer view (e.g., the
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// canvas) when it really needs to have this frame's view as its
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// parent. So, create this frame's view right away, whether we
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// really need it or not, and the inner view will get it as the
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// parent.
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if (!HasView()) {
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rv = nsContainerFrame::CreateViewForFrame(this, true);
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NS_ENSURE_SUCCESS(rv, rv);
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}
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// Set the primary frame now so that
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// DocumentViewerImpl::FindContainerView called by ShowViewer below
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// can find it if necessary.
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aContent->SetPrimaryFrame(this);
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nsContentUtils::AddScriptRunner(new AsyncFrameInit(this));
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return NS_OK;
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}
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inline PRInt32 ConvertOverflow(PRUint8 aOverflow)
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{
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switch (aOverflow) {
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case NS_STYLE_OVERFLOW_VISIBLE:
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case NS_STYLE_OVERFLOW_AUTO:
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return nsIScrollable::Scrollbar_Auto;
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case NS_STYLE_OVERFLOW_HIDDEN:
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case NS_STYLE_OVERFLOW_CLIP:
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return nsIScrollable::Scrollbar_Never;
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case NS_STYLE_OVERFLOW_SCROLL:
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return nsIScrollable::Scrollbar_Always;
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}
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NS_NOTREACHED("invalid overflow value passed to ConvertOverflow");
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return nsIScrollable::Scrollbar_Auto;
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}
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void
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nsSubDocumentFrame::ShowViewer()
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{
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if (mCallingShow) {
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return;
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}
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if (!PresContext()->IsDynamic()) {
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// We let the printing code take care of loading the document; just
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// create the inner view for it to use.
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(void) EnsureInnerView();
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} else {
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nsRefPtr<nsFrameLoader> frameloader = FrameLoader();
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if (frameloader) {
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nsIntSize margin = GetMarginAttributes();
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const nsStyleDisplay* disp = GetStyleDisplay();
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nsWeakFrame weakThis(this);
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mCallingShow = true;
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bool didCreateDoc =
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frameloader->Show(margin.width, margin.height,
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ConvertOverflow(disp->mOverflowX),
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ConvertOverflow(disp->mOverflowY),
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this);
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if (!weakThis.IsAlive()) {
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return;
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}
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mCallingShow = false;
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mDidCreateDoc = didCreateDoc;
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}
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}
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}
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PRIntn
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nsSubDocumentFrame::GetSkipSides() const
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{
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return 0;
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}
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nsIFrame*
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nsSubDocumentFrame::GetSubdocumentRootFrame()
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{
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if (!mInnerView)
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return nsnull;
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nsIView* subdocView = mInnerView->GetFirstChild();
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return subdocView ? subdocView->GetFrame() : nsnull;
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}
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NS_IMETHODIMP
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nsSubDocumentFrame::BuildDisplayList(nsDisplayListBuilder* aBuilder,
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const nsRect& aDirtyRect,
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const nsDisplayListSet& aLists)
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{
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if (!IsVisibleForPainting(aBuilder))
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return NS_OK;
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if (aBuilder->IsForEventDelivery() &&
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GetStyleVisibility()->mPointerEvents == NS_STYLE_POINTER_EVENTS_NONE)
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return NS_OK;
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nsresult rv = DisplayBorderBackgroundOutline(aBuilder, aLists);
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NS_ENSURE_SUCCESS(rv, rv);
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if (!mInnerView)
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return NS_OK;
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nsFrameLoader* frameLoader = FrameLoader();
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if (frameLoader) {
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RenderFrameParent* rfp = frameLoader->GetCurrentRemoteFrame();
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if (rfp) {
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return rfp->BuildDisplayList(aBuilder, this, aDirtyRect, aLists);
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}
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}
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nsIView* subdocView = mInnerView->GetFirstChild();
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if (!subdocView)
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return NS_OK;
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nsCOMPtr<nsIPresShell> presShell = nsnull;
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nsIFrame* subdocRootFrame = subdocView->GetFrame();
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if (subdocRootFrame) {
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presShell = subdocRootFrame->PresContext()->PresShell();
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}
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// If painting is suppressed in the presshell, we try to look for a better
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// presshell to use.
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if (!presShell || (presShell->IsPaintingSuppressed() &&
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!aBuilder->IsIgnoringPaintSuppression())) {
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// During page transition mInnerView will sometimes have two children, the
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// first being the new page that may not have any frame, and the second
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// being the old page that will probably have a frame.
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nsIView* nextView = subdocView->GetNextSibling();
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nsIFrame* frame = nsnull;
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if (nextView) {
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frame = nextView->GetFrame();
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}
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if (frame) {
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nsIPresShell* ps = frame->PresContext()->PresShell();
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if (!presShell || (ps && !ps->IsPaintingSuppressed())) {
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subdocView = nextView;
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subdocRootFrame = frame;
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presShell = ps;
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}
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}
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if (!presShell) {
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// If we don't have a frame we use this roundabout way to get the pres shell.
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if (!mFrameLoader)
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return NS_OK;
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nsCOMPtr<nsIDocShell> docShell;
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mFrameLoader->GetDocShell(getter_AddRefs(docShell));
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if (!docShell)
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return NS_OK;
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docShell->GetPresShell(getter_AddRefs(presShell));
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if (!presShell)
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return NS_OK;
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}
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}
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nsPresContext* presContext = presShell->GetPresContext();
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nsDisplayList childItems;
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PRInt32 parentAPD = PresContext()->AppUnitsPerDevPixel();
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PRInt32 subdocAPD = presContext->AppUnitsPerDevPixel();
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nsRect dirty;
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if (subdocRootFrame) {
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// get the dirty rect relative to the root frame of the subdoc
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dirty = aDirtyRect + GetOffsetToCrossDoc(subdocRootFrame);
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// and convert into the appunits of the subdoc
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dirty = dirty.ConvertAppUnitsRoundOut(parentAPD, subdocAPD);
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aBuilder->EnterPresShell(subdocRootFrame, dirty);
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}
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nsRect subdocBoundsInParentUnits =
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mInnerView->GetBounds() + GetOffsetToCrossDoc(aBuilder->ReferenceFrame());
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if (subdocRootFrame && NS_SUCCEEDED(rv)) {
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rv = subdocRootFrame->
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BuildDisplayListForStackingContext(aBuilder, dirty, &childItems);
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}
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if (!aBuilder->IsForEventDelivery()) {
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// If we are going to use a displayzoom below then any items we put under
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// it need to have underlying frames from the subdocument. So we need to
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// calculate the bounds based on which frame will be the underlying frame
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// for the canvas background color item.
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nsRect bounds;
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if (subdocRootFrame) {
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bounds = subdocBoundsInParentUnits.ConvertAppUnitsRoundOut(parentAPD, subdocAPD);
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} else {
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bounds = subdocBoundsInParentUnits;
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}
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// If we are in print preview/page layout we want to paint the grey
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// background behind the page, not the canvas color. The canvas color gets
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// painted on the page itself.
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if (nsLayoutUtils::NeedsPrintPreviewBackground(presContext)) {
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rv = presShell->AddPrintPreviewBackgroundItem(
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*aBuilder, childItems, subdocRootFrame ? subdocRootFrame : this,
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bounds);
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} else {
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// Add the canvas background color to the bottom of the list. This
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// happens after we've built the list so that AddCanvasBackgroundColorItem
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// can monkey with the contents if necessary.
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PRUint32 flags = nsIPresShell::FORCE_DRAW;
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rv = presShell->AddCanvasBackgroundColorItem(
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*aBuilder, childItems, subdocRootFrame ? subdocRootFrame : this,
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bounds, NS_RGBA(0,0,0,0), flags);
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}
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}
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if (NS_SUCCEEDED(rv)) {
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bool addedLayer = false;
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if (subdocRootFrame && parentAPD != subdocAPD) {
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NS_WARN_IF_FALSE(!addedLayer,
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"Two container layers have been added. "
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"Performance may suffer.");
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addedLayer = true;
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nsDisplayZoom* zoomItem =
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new (aBuilder) nsDisplayZoom(aBuilder, subdocRootFrame, &childItems,
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subdocAPD, parentAPD);
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childItems.AppendToTop(zoomItem);
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}
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if (!addedLayer && presContext->IsRootContentDocument()) {
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// We always want top level content documents to be in their own layer.
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nsDisplayOwnLayer* layerItem = new (aBuilder) nsDisplayOwnLayer(
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aBuilder, subdocRootFrame ? subdocRootFrame : this, &childItems);
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childItems.AppendToTop(layerItem);
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}
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if (ShouldClipSubdocument()) {
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nsDisplayClip* item =
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new (aBuilder) nsDisplayClip(aBuilder, this, &childItems,
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subdocBoundsInParentUnits);
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// Clip children to the child root frame's rectangle
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childItems.AppendToTop(item);
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}
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if (mIsInline) {
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WrapReplacedContentForBorderRadius(aBuilder, &childItems, aLists);
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} else {
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aLists.Content()->AppendToTop(&childItems);
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}
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}
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// delete childItems in case of OOM
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childItems.DeleteAll();
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if (subdocRootFrame) {
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aBuilder->LeavePresShell(subdocRootFrame, dirty);
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}
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return rv;
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}
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nscoord
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nsSubDocumentFrame::GetIntrinsicWidth()
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{
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if (!IsInline()) {
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return 0; // HTML <frame> has no useful intrinsic width
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}
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if (mContent->IsXUL()) {
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return 0; // XUL <iframe> and <browser> have no useful intrinsic width
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}
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NS_ASSERTION(ObtainIntrinsicSizeFrame() == nsnull,
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"Intrinsic width should come from the embedded document.");
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// We must be an HTML <iframe>. Default to a width of 300, for IE
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// compat (and per CSS2.1 draft).
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return nsPresContext::CSSPixelsToAppUnits(300);
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}
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nscoord
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nsSubDocumentFrame::GetIntrinsicHeight()
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{
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// <frame> processing does not use this routine, only <iframe>
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NS_ASSERTION(IsInline(), "Shouldn't have been called");
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if (mContent->IsXUL()) {
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return 0;
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}
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NS_ASSERTION(ObtainIntrinsicSizeFrame() == nsnull,
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"Intrinsic height should come from the embedded document.");
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// Use 150px, for compatibility with IE, and per CSS2.1 draft.
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return nsPresContext::CSSPixelsToAppUnits(150);
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}
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#ifdef DEBUG
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NS_IMETHODIMP nsSubDocumentFrame::GetFrameName(nsAString& aResult) const
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{
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return MakeFrameName(NS_LITERAL_STRING("FrameOuter"), aResult);
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}
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#endif
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nsIAtom*
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nsSubDocumentFrame::GetType() const
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{
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return nsGkAtoms::subDocumentFrame;
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}
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/* virtual */ nscoord
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nsSubDocumentFrame::GetMinWidth(nsRenderingContext *aRenderingContext)
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{
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nscoord result;
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DISPLAY_MIN_WIDTH(this, result);
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nsIFrame* subDocRoot = ObtainIntrinsicSizeFrame();
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if (subDocRoot) {
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result = subDocRoot->GetMinWidth(aRenderingContext);
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} else {
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result = GetIntrinsicWidth();
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}
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return result;
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}
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/* virtual */ nscoord
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nsSubDocumentFrame::GetPrefWidth(nsRenderingContext *aRenderingContext)
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{
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nscoord result;
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DISPLAY_PREF_WIDTH(this, result);
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nsIFrame* subDocRoot = ObtainIntrinsicSizeFrame();
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if (subDocRoot) {
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result = subDocRoot->GetPrefWidth(aRenderingContext);
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} else {
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result = GetIntrinsicWidth();
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}
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return result;
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}
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/* virtual */ nsIFrame::IntrinsicSize
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nsSubDocumentFrame::GetIntrinsicSize()
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{
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nsIFrame* subDocRoot = ObtainIntrinsicSizeFrame();
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if (subDocRoot) {
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return subDocRoot->GetIntrinsicSize();
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}
|
|
return nsLeafFrame::GetIntrinsicSize();
|
|
}
|
|
|
|
/* virtual */ nsSize
|
|
nsSubDocumentFrame::GetIntrinsicRatio()
|
|
{
|
|
nsIFrame* subDocRoot = ObtainIntrinsicSizeFrame();
|
|
if (subDocRoot) {
|
|
return subDocRoot->GetIntrinsicRatio();
|
|
}
|
|
return nsLeafFrame::GetIntrinsicRatio();
|
|
}
|
|
|
|
/* virtual */ nsSize
|
|
nsSubDocumentFrame::ComputeAutoSize(nsRenderingContext *aRenderingContext,
|
|
nsSize aCBSize, nscoord aAvailableWidth,
|
|
nsSize aMargin, nsSize aBorder,
|
|
nsSize aPadding, bool aShrinkWrap)
|
|
{
|
|
if (!IsInline()) {
|
|
return nsFrame::ComputeAutoSize(aRenderingContext, aCBSize,
|
|
aAvailableWidth, aMargin, aBorder,
|
|
aPadding, aShrinkWrap);
|
|
}
|
|
|
|
return nsLeafFrame::ComputeAutoSize(aRenderingContext, aCBSize,
|
|
aAvailableWidth, aMargin, aBorder,
|
|
aPadding, aShrinkWrap);
|
|
}
|
|
|
|
|
|
/* virtual */ nsSize
|
|
nsSubDocumentFrame::ComputeSize(nsRenderingContext *aRenderingContext,
|
|
nsSize aCBSize, nscoord aAvailableWidth,
|
|
nsSize aMargin, nsSize aBorder, nsSize aPadding,
|
|
bool aShrinkWrap)
|
|
{
|
|
nsIFrame* subDocRoot = ObtainIntrinsicSizeFrame();
|
|
if (subDocRoot) {
|
|
return nsLayoutUtils::ComputeSizeWithIntrinsicDimensions(
|
|
aRenderingContext, this,
|
|
subDocRoot->GetIntrinsicSize(),
|
|
subDocRoot->GetIntrinsicRatio(),
|
|
aCBSize, aMargin, aBorder, aPadding);
|
|
}
|
|
return nsLeafFrame::ComputeSize(aRenderingContext, aCBSize, aAvailableWidth,
|
|
aMargin, aBorder, aPadding, aShrinkWrap);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsSubDocumentFrame::Reflow(nsPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
DO_GLOBAL_REFLOW_COUNT("nsSubDocumentFrame");
|
|
DISPLAY_REFLOW(aPresContext, this, aReflowState, aDesiredSize, aStatus);
|
|
// printf("OuterFrame::Reflow %X (%d,%d) \n", this, aReflowState.availableWidth, aReflowState.availableHeight);
|
|
NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
|
|
("enter nsSubDocumentFrame::Reflow: maxSize=%d,%d",
|
|
aReflowState.availableWidth, aReflowState.availableHeight));
|
|
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
|
|
NS_ASSERTION(mContent->GetPrimaryFrame() == this,
|
|
"Shouldn't happen");
|
|
|
|
// "offset" is the offset of our content area from our frame's
|
|
// top-left corner.
|
|
nsPoint offset(0, 0);
|
|
|
|
if (IsInline()) {
|
|
// XUL <iframe> or <browser>, or HTML <iframe>, <object> or <embed>
|
|
nsresult rv = nsLeafFrame::DoReflow(aPresContext, aDesiredSize, aReflowState,
|
|
aStatus);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
offset = nsPoint(aReflowState.mComputedBorderPadding.left,
|
|
aReflowState.mComputedBorderPadding.top);
|
|
} else {
|
|
// HTML <frame>
|
|
SizeToAvailSize(aReflowState, aDesiredSize);
|
|
}
|
|
|
|
nsSize innerSize(aDesiredSize.width, aDesiredSize.height);
|
|
if (IsInline()) {
|
|
innerSize.width -= aReflowState.mComputedBorderPadding.LeftRight();
|
|
innerSize.height -= aReflowState.mComputedBorderPadding.TopBottom();
|
|
}
|
|
|
|
if (mInnerView) {
|
|
nsIViewManager* vm = mInnerView->GetViewManager();
|
|
vm->MoveViewTo(mInnerView, offset.x, offset.y);
|
|
vm->ResizeView(mInnerView, nsRect(nsPoint(0, 0), innerSize), true);
|
|
}
|
|
|
|
aDesiredSize.SetOverflowAreasToDesiredBounds();
|
|
if (!ShouldClipSubdocument()) {
|
|
nsIFrame* subdocRootFrame = GetSubdocumentRootFrame();
|
|
if (subdocRootFrame) {
|
|
aDesiredSize.mOverflowAreas.UnionWith(subdocRootFrame->GetOverflowAreas() + offset);
|
|
}
|
|
}
|
|
|
|
// Determine if we need to repaint our border, background or outline
|
|
CheckInvalidateSizeChange(aDesiredSize);
|
|
|
|
FinishAndStoreOverflow(&aDesiredSize);
|
|
|
|
if (!aPresContext->IsPaginated() && !mPostedReflowCallback) {
|
|
PresContext()->PresShell()->PostReflowCallback(this);
|
|
mPostedReflowCallback = true;
|
|
}
|
|
|
|
// printf("OuterFrame::Reflow DONE %X (%d,%d)\n", this,
|
|
// aDesiredSize.width, aDesiredSize.height);
|
|
|
|
NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
|
|
("exit nsSubDocumentFrame::Reflow: size=%d,%d status=%x",
|
|
aDesiredSize.width, aDesiredSize.height, aStatus));
|
|
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
|
|
return NS_OK;
|
|
}
|
|
|
|
bool
|
|
nsSubDocumentFrame::ReflowFinished()
|
|
{
|
|
if (mFrameLoader) {
|
|
nsWeakFrame weakFrame(this);
|
|
|
|
mFrameLoader->UpdatePositionAndSize(this);
|
|
|
|
if (weakFrame.IsAlive()) {
|
|
// Make sure that we can post a reflow callback in the future.
|
|
mPostedReflowCallback = false;
|
|
}
|
|
} else {
|
|
mPostedReflowCallback = false;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
void
|
|
nsSubDocumentFrame::ReflowCallbackCanceled()
|
|
{
|
|
mPostedReflowCallback = false;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsSubDocumentFrame::AttributeChanged(PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aModType)
|
|
{
|
|
if (aNameSpaceID != kNameSpaceID_None) {
|
|
return NS_OK;
|
|
}
|
|
|
|
// If the noResize attribute changes, dis/allow frame to be resized
|
|
if (aAttribute == nsGkAtoms::noresize) {
|
|
// Note that we're not doing content type checks, but that's ok -- if
|
|
// they'd fail we will just end up with a null framesetFrame.
|
|
if (mContent->GetParent()->Tag() == nsGkAtoms::frameset) {
|
|
nsIFrame* parentFrame = GetParent();
|
|
|
|
if (parentFrame) {
|
|
// There is no interface for nsHTMLFramesetFrame so QI'ing to
|
|
// concrete class, yay!
|
|
nsHTMLFramesetFrame* framesetFrame = do_QueryFrame(parentFrame);
|
|
if (framesetFrame) {
|
|
framesetFrame->RecalculateBorderResize();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (aAttribute == nsGkAtoms::showresizer) {
|
|
nsIFrame* rootFrame = GetSubdocumentRootFrame();
|
|
if (rootFrame) {
|
|
rootFrame->PresContext()->PresShell()->
|
|
FrameNeedsReflow(rootFrame, nsIPresShell::eResize, NS_FRAME_IS_DIRTY);
|
|
}
|
|
}
|
|
else if (aAttribute == nsGkAtoms::marginwidth ||
|
|
aAttribute == nsGkAtoms::marginheight) {
|
|
|
|
// Retrieve the attributes
|
|
nsIntSize margins = GetMarginAttributes();
|
|
|
|
// Notify the frameloader
|
|
nsRefPtr<nsFrameLoader> frameloader = FrameLoader();
|
|
if (frameloader)
|
|
frameloader->MarginsChanged(margins.width, margins.height);
|
|
}
|
|
else if (aAttribute == nsGkAtoms::type) {
|
|
if (!mFrameLoader)
|
|
return NS_OK;
|
|
|
|
if (!mContent->IsXUL()) {
|
|
return NS_OK;
|
|
}
|
|
|
|
if (mFrameLoader->GetRemoteBrowser()) {
|
|
// TODO: Implement ContentShellAdded for remote browsers (bug 658304)
|
|
return NS_OK;
|
|
}
|
|
|
|
// Note: This logic duplicates a lot of logic in
|
|
// nsFrameLoader::EnsureDocShell. 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.
|
|
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
mFrameLoader->GetDocShell(getter_AddRefs(docShell));
|
|
nsCOMPtr<nsIDocShellTreeItem> docShellAsItem(do_QueryInterface(docShell));
|
|
if (!docShellAsItem) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> parentItem;
|
|
docShellAsItem->GetParent(getter_AddRefs(parentItem));
|
|
if (!parentItem) {
|
|
return NS_OK;
|
|
}
|
|
|
|
PRInt32 parentType;
|
|
parentItem->GetItemType(&parentType);
|
|
|
|
if (parentType != nsIDocShellTreeItem::typeChrome) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeOwner> parentTreeOwner;
|
|
parentItem->GetTreeOwner(getter_AddRefs(parentTreeOwner));
|
|
if (parentTreeOwner) {
|
|
nsAutoString value;
|
|
mContent->GetAttr(kNameSpaceID_None, nsGkAtoms::type, 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(docShellAsItem);
|
|
}
|
|
#endif
|
|
|
|
parentTreeOwner->ContentShellRemoved(docShellAsItem);
|
|
|
|
if (value.LowerCaseEqualsLiteral("content") ||
|
|
StringBeginsWith(value, NS_LITERAL_STRING("content-"),
|
|
nsCaseInsensitiveStringComparator())) {
|
|
bool is_targetable = is_primary ||
|
|
value.LowerCaseEqualsLiteral("content-targetable");
|
|
|
|
parentTreeOwner->ContentShellAdded(docShellAsItem, is_primary,
|
|
is_targetable, value);
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsIFrame*
|
|
NS_NewSubDocumentFrame(nsIPresShell* aPresShell, nsStyleContext* aContext)
|
|
{
|
|
return new (aPresShell) nsSubDocumentFrame(aContext);
|
|
}
|
|
|
|
NS_IMPL_FRAMEARENA_HELPERS(nsSubDocumentFrame)
|
|
|
|
void
|
|
nsSubDocumentFrame::DestroyFrom(nsIFrame* aDestructRoot)
|
|
{
|
|
if (mPostedReflowCallback) {
|
|
PresContext()->PresShell()->CancelReflowCallback(this);
|
|
mPostedReflowCallback = false;
|
|
}
|
|
|
|
HideViewer();
|
|
|
|
nsLeafFrame::DestroyFrom(aDestructRoot);
|
|
}
|
|
|
|
void
|
|
nsSubDocumentFrame::HideViewer()
|
|
{
|
|
if (mFrameLoader && (mDidCreateDoc || mCallingShow))
|
|
mFrameLoader->Hide();
|
|
}
|
|
|
|
nsIntSize
|
|
nsSubDocumentFrame::GetMarginAttributes()
|
|
{
|
|
nsIntSize result(-1, -1);
|
|
nsGenericHTMLElement *content = nsGenericHTMLElement::FromContent(mContent);
|
|
if (content) {
|
|
const nsAttrValue* attr = content->GetParsedAttr(nsGkAtoms::marginwidth);
|
|
if (attr && attr->Type() == nsAttrValue::eInteger)
|
|
result.width = attr->GetIntegerValue();
|
|
attr = content->GetParsedAttr(nsGkAtoms::marginheight);
|
|
if (attr && attr->Type() == nsAttrValue::eInteger)
|
|
result.height = attr->GetIntegerValue();
|
|
}
|
|
return result;
|
|
}
|
|
|
|
nsFrameLoader*
|
|
nsSubDocumentFrame::FrameLoader()
|
|
{
|
|
nsIContent* content = GetContent();
|
|
if (!content)
|
|
return nsnull;
|
|
|
|
if (!mFrameLoader) {
|
|
nsCOMPtr<nsIFrameLoaderOwner> loaderOwner = do_QueryInterface(content);
|
|
if (loaderOwner) {
|
|
nsCOMPtr<nsIFrameLoader> loader;
|
|
loaderOwner->GetFrameLoader(getter_AddRefs(loader));
|
|
mFrameLoader = static_cast<nsFrameLoader*>(loader.get());
|
|
}
|
|
}
|
|
return mFrameLoader;
|
|
}
|
|
|
|
// XXX this should be called ObtainDocShell or something like that,
|
|
// to indicate that it could have side effects
|
|
nsresult
|
|
nsSubDocumentFrame::GetDocShell(nsIDocShell **aDocShell)
|
|
{
|
|
*aDocShell = nsnull;
|
|
|
|
NS_ENSURE_STATE(FrameLoader());
|
|
return mFrameLoader->GetDocShell(aDocShell);
|
|
}
|
|
|
|
static void
|
|
DestroyDisplayItemDataForFrames(nsIFrame* aFrame)
|
|
{
|
|
FrameLayerBuilder::DestroyDisplayItemDataFor(aFrame);
|
|
|
|
nsIFrame::ChildListIterator lists(aFrame);
|
|
for (; !lists.IsDone(); lists.Next()) {
|
|
nsFrameList::Enumerator childFrames(lists.CurrentList());
|
|
for (; !childFrames.AtEnd(); childFrames.Next()) {
|
|
DestroyDisplayItemDataForFrames(childFrames.get());
|
|
}
|
|
}
|
|
}
|
|
|
|
static bool
|
|
BeginSwapDocShellsForDocument(nsIDocument* aDocument, void*)
|
|
{
|
|
NS_PRECONDITION(aDocument, "");
|
|
|
|
nsIPresShell* shell = aDocument->GetShell();
|
|
nsIFrame* rootFrame = shell ? shell->GetRootFrame() : nsnull;
|
|
if (rootFrame) {
|
|
::DestroyDisplayItemDataForFrames(rootFrame);
|
|
}
|
|
aDocument->EnumerateFreezableElements(
|
|
nsObjectFrame::BeginSwapDocShells, nsnull);
|
|
aDocument->EnumerateSubDocuments(BeginSwapDocShellsForDocument, nsnull);
|
|
return true;
|
|
}
|
|
|
|
static nsIView*
|
|
BeginSwapDocShellsForViews(nsIView* aSibling)
|
|
{
|
|
// Collect the removed sibling views in reverse order in 'removedViews'.
|
|
nsIView* removedViews = nsnull;
|
|
while (aSibling) {
|
|
nsIDocument* doc = ::GetDocumentFromView(aSibling);
|
|
if (doc) {
|
|
::BeginSwapDocShellsForDocument(doc, nsnull);
|
|
}
|
|
nsIView* next = aSibling->GetNextSibling();
|
|
aSibling->GetViewManager()->RemoveChild(aSibling);
|
|
aSibling->SetNextSibling(removedViews);
|
|
removedViews = aSibling;
|
|
aSibling = next;
|
|
}
|
|
return removedViews;
|
|
}
|
|
|
|
static void
|
|
InsertViewsInReverseOrder(nsIView* aSibling, nsIView* aParent)
|
|
{
|
|
NS_PRECONDITION(aParent, "");
|
|
NS_PRECONDITION(!aParent->GetFirstChild(), "inserting into non-empty list");
|
|
|
|
nsIViewManager* vm = aParent->GetViewManager();
|
|
while (aSibling) {
|
|
nsIView* next = aSibling->GetNextSibling();
|
|
aSibling->SetNextSibling(nsnull);
|
|
// true means 'after' in document order which is 'before' in view order,
|
|
// so this call prepends the child, thus reversing the siblings as we go.
|
|
vm->InsertChild(aParent, aSibling, nsnull, true);
|
|
aSibling = next;
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsSubDocumentFrame::BeginSwapDocShells(nsIFrame* aOther)
|
|
{
|
|
if (!aOther || aOther->GetType() != nsGkAtoms::subDocumentFrame) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
nsSubDocumentFrame* other = static_cast<nsSubDocumentFrame*>(aOther);
|
|
if (!mFrameLoader || !mDidCreateDoc || mCallingShow ||
|
|
!other->mFrameLoader || !other->mDidCreateDoc) {
|
|
return NS_ERROR_NOT_IMPLEMENTED;
|
|
}
|
|
|
|
if (mInnerView && other->mInnerView) {
|
|
nsIView* ourSubdocViews = mInnerView->GetFirstChild();
|
|
nsIView* ourRemovedViews = ::BeginSwapDocShellsForViews(ourSubdocViews);
|
|
nsIView* otherSubdocViews = other->mInnerView->GetFirstChild();
|
|
nsIView* otherRemovedViews = ::BeginSwapDocShellsForViews(otherSubdocViews);
|
|
|
|
::InsertViewsInReverseOrder(ourRemovedViews, other->mInnerView);
|
|
::InsertViewsInReverseOrder(otherRemovedViews, mInnerView);
|
|
}
|
|
mFrameLoader.swap(other->mFrameLoader);
|
|
return NS_OK;
|
|
}
|
|
|
|
static bool
|
|
EndSwapDocShellsForDocument(nsIDocument* aDocument, void*)
|
|
{
|
|
NS_PRECONDITION(aDocument, "");
|
|
|
|
// Our docshell and view trees have been updated for the new hierarchy.
|
|
// Now also update all nsDeviceContext::mWidget to that of the
|
|
// container view in the new hierarchy.
|
|
nsCOMPtr<nsISupports> container = aDocument->GetContainer();
|
|
nsCOMPtr<nsIDocShell> ds = do_QueryInterface(container);
|
|
if (ds) {
|
|
nsCOMPtr<nsIContentViewer> cv;
|
|
ds->GetContentViewer(getter_AddRefs(cv));
|
|
while (cv) {
|
|
nsCOMPtr<nsPresContext> pc;
|
|
cv->GetPresContext(getter_AddRefs(pc));
|
|
nsDeviceContext* dc = pc ? pc->DeviceContext() : nsnull;
|
|
if (dc) {
|
|
nsIView* v = cv->FindContainerView();
|
|
dc->Init(v ? v->GetNearestWidget(nsnull) : nsnull);
|
|
}
|
|
nsCOMPtr<nsIContentViewer> prev;
|
|
cv->GetPreviousViewer(getter_AddRefs(prev));
|
|
cv = prev;
|
|
}
|
|
}
|
|
|
|
aDocument->EnumerateFreezableElements(
|
|
nsObjectFrame::EndSwapDocShells, nsnull);
|
|
aDocument->EnumerateSubDocuments(EndSwapDocShellsForDocument, nsnull);
|
|
return true;
|
|
}
|
|
|
|
static void
|
|
EndSwapDocShellsForViews(nsIView* aSibling)
|
|
{
|
|
for ( ; aSibling; aSibling = aSibling->GetNextSibling()) {
|
|
nsIDocument* doc = ::GetDocumentFromView(aSibling);
|
|
if (doc) {
|
|
::EndSwapDocShellsForDocument(doc, nsnull);
|
|
}
|
|
}
|
|
}
|
|
|
|
void
|
|
nsSubDocumentFrame::EndSwapDocShells(nsIFrame* aOther)
|
|
{
|
|
nsSubDocumentFrame* other = static_cast<nsSubDocumentFrame*>(aOther);
|
|
nsWeakFrame weakThis(this);
|
|
nsWeakFrame weakOther(aOther);
|
|
|
|
if (mInnerView) {
|
|
::EndSwapDocShellsForViews(mInnerView->GetFirstChild());
|
|
}
|
|
if (other->mInnerView) {
|
|
::EndSwapDocShellsForViews(other->mInnerView->GetFirstChild());
|
|
}
|
|
|
|
// Now make sure we reflow both frames, in case their contents
|
|
// determine their size.
|
|
// And repaint them, for good measure, in case there's nothing
|
|
// interesting that happens during reflow.
|
|
if (weakThis.IsAlive()) {
|
|
PresContext()->PresShell()->
|
|
FrameNeedsReflow(this, nsIPresShell::eTreeChange, NS_FRAME_IS_DIRTY);
|
|
InvalidateFrameSubtree();
|
|
}
|
|
if (weakOther.IsAlive()) {
|
|
other->PresContext()->PresShell()->
|
|
FrameNeedsReflow(other, nsIPresShell::eTreeChange, NS_FRAME_IS_DIRTY);
|
|
other->InvalidateFrameSubtree();
|
|
}
|
|
}
|
|
|
|
nsIView*
|
|
nsSubDocumentFrame::EnsureInnerView()
|
|
{
|
|
if (mInnerView) {
|
|
return mInnerView;
|
|
}
|
|
|
|
// create, init, set the parent of the view
|
|
nsIView* outerView = GetView();
|
|
NS_ASSERTION(outerView, "Must have an outer view already");
|
|
nsRect viewBounds(0, 0, 0, 0); // size will be fixed during reflow
|
|
|
|
nsIViewManager* viewMan = outerView->GetViewManager();
|
|
nsIView* innerView = viewMan->CreateView(viewBounds, outerView);
|
|
if (!innerView) {
|
|
NS_ERROR("Could not create inner view");
|
|
return nsnull;
|
|
}
|
|
mInnerView = innerView;
|
|
viewMan->InsertChild(outerView, innerView, nsnull, true);
|
|
|
|
return mInnerView;
|
|
}
|
|
|
|
nsIFrame*
|
|
nsSubDocumentFrame::ObtainIntrinsicSizeFrame()
|
|
{
|
|
nsCOMPtr<nsIObjectLoadingContent> olc = do_QueryInterface(GetContent());
|
|
if (olc) {
|
|
// We are an HTML <object>, <embed> or <applet> (a replaced element).
|
|
|
|
// Try to get an nsIFrame for our sub-document's document element
|
|
nsIFrame* subDocRoot = nsnull;
|
|
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
GetDocShell(getter_AddRefs(docShell));
|
|
if (docShell) {
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
docShell->GetPresShell(getter_AddRefs(presShell));
|
|
if (presShell) {
|
|
nsIScrollableFrame* scrollable = presShell->GetRootScrollFrameAsScrollable();
|
|
if (scrollable) {
|
|
nsIFrame* scrolled = scrollable->GetScrolledFrame();
|
|
if (scrolled) {
|
|
subDocRoot = scrolled->GetFirstPrincipalChild();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (subDocRoot && subDocRoot->GetContent() &&
|
|
subDocRoot->GetContent()->NodeInfo()->Equals(nsGkAtoms::svg, kNameSpaceID_SVG)) {
|
|
return subDocRoot; // SVG documents have an intrinsic size
|
|
}
|
|
}
|
|
return nsnull;
|
|
}
|