зеркало из https://github.com/mozilla/pjs.git
1040 строки
34 KiB
C++
1040 строки
34 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* 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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*/
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#include "nsCOMPtr.h"
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#include "nsLeafFrame.h"
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#include "nsHTMLContainerFrame.h"
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#include "nsIHTMLContent.h"
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#include "nsIWebShell.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 "nsIWebNavigation.h"
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#include "nsIBaseWindow.h"
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#include "nsIContentViewer.h"
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#include "nsIMarkupDocumentViewer.h"
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#include "nsIPresContext.h"
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#include "nsIPresShell.h"
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#include "nsHTMLIIDs.h"
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#include "nsIComponentManager.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 "nsWidgetsCID.h"
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#include "nsViewsCID.h"
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#include "nsHTMLAtoms.h"
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#include "nsIScrollableView.h"
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#include "nsStyleCoord.h"
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#include "nsIStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsIDocumentLoader.h"
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#include "nsIPref.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 "nsGenericHTMLElement.h"
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#include "nsLayoutAtoms.h"
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#include "nsIChromeEventHandler.h"
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#include "nsIScriptSecurityManager.h"
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#include "nsICodebasePrincipal.h"
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#include "nsXPIDLString.h"
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#include "nsIScrollable.h"
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class nsHTMLFrame;
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static NS_DEFINE_IID(kIStreamObserverIID, NS_ISTREAMOBSERVER_IID);
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static NS_DEFINE_IID(kWebShellCID, NS_WEB_SHELL_CID);
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static NS_DEFINE_IID(kIViewIID, NS_IVIEW_IID);
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static NS_DEFINE_IID(kCViewCID, NS_VIEW_CID);
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static NS_DEFINE_IID(kCChildCID, NS_CHILD_CID);
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static NS_DEFINE_IID(kIDOMHTMLFrameElementIID, NS_IDOMHTMLFRAMEELEMENT_IID);
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static NS_DEFINE_IID(kIDOMHTMLIFrameElementIID, NS_IDOMHTMLIFRAMEELEMENT_IID);
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/*******************************************************************************
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* FrameLoadingInfo
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******************************************************************************/
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class FrameLoadingInfo : public nsISupports
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{
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public:
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FrameLoadingInfo(const nsSize& aSize);
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// nsISupports interface...
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NS_DECL_ISUPPORTS
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protected:
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virtual ~FrameLoadingInfo() {}
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public:
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nsSize mFrameSize;
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};
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/*******************************************************************************
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* nsHTMLFrameOuterFrame
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******************************************************************************/
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#define nsHTMLFrameOuterFrameSuper nsHTMLContainerFrame
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class nsHTMLFrameOuterFrame : public nsHTMLFrameOuterFrameSuper {
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public:
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nsHTMLFrameOuterFrame();
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsString& aResult) const;
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#endif
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NS_IMETHOD GetFrameType(nsIAtom** aType) const;
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NS_IMETHOD Paint(nsIPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer);
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NS_IMETHOD Init(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aContext,
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nsIFrame* aPrevInFlow);
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NS_IMETHOD Reflow(nsIPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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NS_IMETHOD AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aChild,
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PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aHint);
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NS_IMETHOD VerifyTree() const;
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PRBool IsInline();
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protected:
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virtual ~nsHTMLFrameOuterFrame();
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virtual void GetDesiredSize(nsIPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsHTMLReflowMetrics& aDesiredSize);
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virtual PRIntn GetSkipSides() const;
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PRBool mIsInline;
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};
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/*******************************************************************************
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* nsHTMLFrameInnerFrame
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******************************************************************************/
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class nsHTMLFrameInnerFrame : public nsLeafFrame {
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public:
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nsHTMLFrameInnerFrame();
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsString& aResult) const;
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#endif
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NS_IMETHOD GetFrameType(nsIAtom** aType) const;
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/**
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* @see nsIFrame::Paint
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*/
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NS_IMETHOD Paint(nsIPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer);
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/**
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* @see nsIFrame::Reflow
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*/
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NS_IMETHOD Reflow(nsIPresContext* aCX,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus);
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NS_IMETHOD DidReflow(nsIPresContext* aPresContext,
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nsDidReflowStatus aStatus);
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NS_IMETHOD GetParentContent(nsIContent*& aContent);
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PRBool GetURL(nsIContent* aContent, nsString& aResult);
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PRBool GetName(nsIContent* aContent, nsString& aResult);
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PRInt32 GetScrolling(nsIContent* aContent, PRBool aStandardMode);
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nsFrameborder GetFrameBorder(PRBool aStandardMode);
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PRInt32 GetMarginWidth(nsIPresContext* aPresContext, nsIContent* aContent);
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PRInt32 GetMarginHeight(nsIPresContext* aPresContext, nsIContent* aContent);
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nsresult ReloadURL(nsIPresContext* aPresContext);
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protected:
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nsresult CreateDocShell(nsIPresContext* aPresContext, const nsSize& aSize);
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nsresult DoLoadURL(nsIPresContext* aPresContext);
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virtual ~nsHTMLFrameInnerFrame();
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virtual void GetDesiredSize(nsIPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsHTMLReflowMetrics& aDesiredSize);
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nsCOMPtr<nsIBaseWindow> mSubShell;
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PRBool mCreatingViewer;
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};
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/*******************************************************************************
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* nsHTMLFrameOuterFrame
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******************************************************************************/
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nsHTMLFrameOuterFrame::nsHTMLFrameOuterFrame()
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: nsHTMLContainerFrame()
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{
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mIsInline = PR_FALSE;
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}
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nsHTMLFrameOuterFrame::~nsHTMLFrameOuterFrame()
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{
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//printf("nsHTMLFrameOuterFrame destructor %X \n", this);
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}
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NS_IMETHODIMP
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nsHTMLFrameOuterFrame::Init(nsIPresContext* aPresContext,
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nsIContent* aContent,
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nsIFrame* aParent,
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nsIStyleContext* aContext,
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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 ? PR_FALSE : PR_TRUE;
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}
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return nsHTMLFrameOuterFrameSuper::Init(aPresContext, aContent, aParent,
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aContext, aPrevInFlow);
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}
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PRIntn
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nsHTMLFrameOuterFrame::GetSkipSides() const
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{
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return 0;
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}
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void
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nsHTMLFrameOuterFrame::GetDesiredSize(nsIPresContext* aPresContext,
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const nsHTMLReflowState& aReflowState,
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nsHTMLReflowMetrics& aDesiredSize)
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{
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// <frame> processing does not use this routine, only <iframe>
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float p2t;
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aPresContext->GetScaledPixelsToTwips(&p2t);
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// If no width/height was specified, use 300/150.
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// This is for compatability with IE.
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if (NS_UNCONSTRAINEDSIZE != aReflowState.mComputedWidth) {
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aDesiredSize.width = aReflowState.mComputedWidth;
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}
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else {
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aDesiredSize.width = NSIntPixelsToTwips(300, p2t);
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}
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if (NS_UNCONSTRAINEDSIZE != aReflowState.mComputedHeight) {
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aDesiredSize.height = aReflowState.mComputedHeight;
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}
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else {
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aDesiredSize.height = NSIntPixelsToTwips(150, p2t);
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}
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aDesiredSize.ascent = aDesiredSize.height;
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aDesiredSize.descent = 0;
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// For unknown reasons, the maxElementSize for the InnerFrame is used, but the
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// maxElementSize for the OuterFrame is ignored, the following is not used!
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if (aDesiredSize.maxElementSize) {
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aDesiredSize.maxElementSize->width = aDesiredSize.width;
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aDesiredSize.maxElementSize->height = aDesiredSize.height;
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}
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}
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PRBool nsHTMLFrameOuterFrame::IsInline()
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{
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return mIsInline;
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}
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NS_IMETHODIMP
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nsHTMLFrameOuterFrame::Paint(nsIPresContext* aPresContext,
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nsIRenderingContext& aRenderingContext,
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const nsRect& aDirtyRect,
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nsFramePaintLayer aWhichLayer)
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{
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//printf("outer paint %X (%d,%d,%d,%d) \n", this, aDirtyRect.x, aDirtyRect.y, aDirtyRect.width, aDirtyRect.height);
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nsIFrame* firstChild = mFrames.FirstChild();
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if (nsnull != firstChild) {
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firstChild->Paint(aPresContext, aRenderingContext, aDirtyRect,
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aWhichLayer);
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}
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if (IsInline()) {
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return nsHTMLContainerFrame::Paint(aPresContext, aRenderingContext,
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aDirtyRect, aWhichLayer);
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} else {
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return NS_OK;
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}
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}
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#ifdef DEBUG
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NS_IMETHODIMP nsHTMLFrameOuterFrame::GetFrameName(nsString& aResult) const
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{
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return MakeFrameName("FrameOuter", aResult);
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}
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#endif
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NS_IMETHODIMP
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nsHTMLFrameOuterFrame::GetFrameType(nsIAtom** aType) const
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{
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NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
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*aType = nsLayoutAtoms::htmlFrameOuterFrame;
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NS_ADDREF(*aType);
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLFrameOuterFrame::Reflow(nsIPresContext* aPresContext,
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nsHTMLReflowMetrics& aDesiredSize,
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const nsHTMLReflowState& aReflowState,
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nsReflowStatus& aStatus)
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{
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DO_GLOBAL_REFLOW_COUNT("nsHTMLFrameOuterFrame", aReflowState.reason);
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//printf("OuterFrame::Reflow %X (%d,%d) \n", this, aReflowState.availableWidth, aReflowState.availableHeight);
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NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
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("enter nsHTMLFrameOuterFrame::Reflow: maxSize=%d,%d reason=%d",
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aReflowState.availableWidth, aReflowState.availableHeight, aReflowState.reason));
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if (IsInline()) {
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GetDesiredSize(aPresContext, aReflowState, aDesiredSize); // IFRAME
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} else {
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aDesiredSize.width = aReflowState.availableWidth; // FRAME
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aDesiredSize.height = aReflowState.availableHeight;
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if (aDesiredSize.maxElementSize) { // Probably not used...
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aDesiredSize.maxElementSize->width = aDesiredSize.width;
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aDesiredSize.maxElementSize->height = aDesiredSize.height;
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}
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}
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nsIFrame* firstChild = mFrames.FirstChild();
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if (nsnull == firstChild) {
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nsCOMPtr<nsIPresShell> shell;
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aPresContext->GetShell(getter_AddRefs(shell));
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firstChild = new (shell.get()) nsHTMLFrameInnerFrame;
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if (firstChild) {
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mFrames.SetFrames(firstChild);
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// Resolve the style context for the inner frame
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nsresult rv = NS_OK;
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nsIStyleContext *innerStyleContext = nsnull;
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rv = aPresContext->ResolveStyleContextFor(mContent, mStyleContext,
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PR_FALSE,
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&innerStyleContext);
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if (NS_SUCCEEDED(rv)) {
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rv = firstChild->Init(aPresContext, mContent, this, innerStyleContext, nsnull);
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// have to release the context: Init does its own AddRef...
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NS_RELEASE(innerStyleContext);
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} else {
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NS_WARNING( "Error resolving style for InnerFrame in nsHTMLFrameOuterFrame");
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}
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if (NS_FAILED(rv)){
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NS_WARNING( "Error initializing InnerFrame in nsHTMLFrameOuterFrame");
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return rv;
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}
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} else {
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NS_WARNING("no memory allocating inner frame in nsHTMLFrameOuterFrame");
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return NS_ERROR_OUT_OF_MEMORY;
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}
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}
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nsSize innerSize(aDesiredSize.width, aDesiredSize.height);
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nsPoint offset(0,0);
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nsMargin border = aReflowState.mComputedBorderPadding;
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if (IsInline()) {
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offset.x = border.left;
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offset.y = border.top;
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// XXX Don't subtract the border!!! The size we are given does not include our
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// border! -EDV
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//innerSize.width -= border.left + border.right;
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//innerSize.height -= border.top + border.bottom;
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// we now need to add our border in. -EDV
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aDesiredSize.width += border.left + border.right;
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aDesiredSize.height += border.top + border.bottom;
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}
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// Reflow the child and get its desired size
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nsHTMLReflowMetrics kidMetrics(aDesiredSize.maxElementSize);
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nsHTMLReflowState kidReflowState(aPresContext, aReflowState, firstChild,
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innerSize);
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ReflowChild(firstChild, aPresContext, kidMetrics, kidReflowState,
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offset.x, offset.y, 0, aStatus);
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NS_ASSERTION(NS_FRAME_IS_COMPLETE(aStatus), "bad status");
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// For unknown reasons, the maxElementSize for the InnerFrame is used, but the
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// maxElementSize for the OuterFrame is ignored, add in border here to prevent
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// a table from shrinking inside the iframe's border when resized.
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if (IsInline()) {
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if (kidMetrics.maxElementSize) {
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kidMetrics.maxElementSize->width += border.left + border.right;
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kidMetrics.maxElementSize->height += border.top + border.bottom;
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}
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}
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// Place and size the child
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FinishReflowChild(firstChild, aPresContext, kidMetrics, offset.x, offset.y, 0);
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NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
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("exit nsHTMLFrameOuterFrame::Reflow: size=%d,%d status=%x",
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aDesiredSize.width, aDesiredSize.height, aStatus));
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLFrameOuterFrame::VerifyTree() const
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{
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// XXX Completely disabled for now; once pseud-frames are reworked
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// then we can turn it back on.
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return NS_OK;
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}
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NS_IMETHODIMP
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nsHTMLFrameOuterFrame::AttributeChanged(nsIPresContext* aPresContext,
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nsIContent* aChild,
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PRInt32 aNameSpaceID,
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nsIAtom* aAttribute,
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PRInt32 aHint)
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{
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if (nsHTMLAtoms::src == aAttribute) {
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printf("got a request\n");
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nsIFrame* firstChild = mFrames.FirstChild();
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if (nsnull != firstChild) {
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return ((nsHTMLFrameInnerFrame*)firstChild)->ReloadURL(aPresContext);
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}
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}
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return NS_OK;
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}
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nsresult
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NS_NewHTMLFrameOuterFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
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{
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NS_PRECONDITION(aNewFrame, "null OUT ptr");
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if (nsnull == aNewFrame) {
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return NS_ERROR_NULL_POINTER;
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}
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nsHTMLFrameOuterFrame* it = new (aPresShell) nsHTMLFrameOuterFrame;
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if (!it) {
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return NS_ERROR_OUT_OF_MEMORY;
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}
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*aNewFrame = it;
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return NS_OK;
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}
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/*******************************************************************************
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* nsHTMLFrameInnerFrame
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******************************************************************************/
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nsHTMLFrameInnerFrame::nsHTMLFrameInnerFrame()
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: nsLeafFrame()
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{
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mCreatingViewer = PR_FALSE;
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}
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nsHTMLFrameInnerFrame::~nsHTMLFrameInnerFrame()
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{
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//printf("nsHTMLFrameInnerFrame destructor %X \n", this);
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if(mSubShell)
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mSubShell->Destroy();
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mSubShell = nsnull; // This is the location it was released before...
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// Not sure if there is ordering depending on this.
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}
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PRBool nsHTMLFrameInnerFrame::GetURL(nsIContent* aContent, nsString& aResult)
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{
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aResult.SetLength(0);
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if (NS_CONTENT_ATTR_HAS_VALUE == (aContent->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::src, aResult))) {
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if (aResult.Length() > 0) {
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return PR_TRUE;
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}
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}
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return PR_FALSE;
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}
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PRBool nsHTMLFrameInnerFrame::GetName(nsIContent* aContent, nsString& aResult)
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{
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aResult.SetLength(0);
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if (NS_CONTENT_ATTR_HAS_VALUE == (aContent->GetAttribute(kNameSpaceID_None, nsHTMLAtoms::name, aResult))) {
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if (aResult.Length() > 0) {
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return PR_TRUE;
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}
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}
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return PR_FALSE;
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}
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|
|
PRInt32 nsHTMLFrameInnerFrame::GetScrolling(nsIContent* aContent, PRBool aStandardMode)
|
|
{
|
|
PRInt32 returnValue = -1;
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIHTMLContent> content = do_QueryInterface(mContent, &rv);
|
|
if (NS_SUCCEEDED(rv) && content) {
|
|
nsHTMLValue value;
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == (content->GetHTMLAttribute(nsHTMLAtoms::scrolling, value))) {
|
|
if (eHTMLUnit_Enumerated == value.GetUnit()) {
|
|
PRInt32 intValue;
|
|
intValue = value.GetIntValue();
|
|
if (!aStandardMode) {
|
|
if ((NS_STYLE_FRAME_ON == intValue) || (NS_STYLE_FRAME_SCROLL == intValue)) {
|
|
returnValue = NS_STYLE_OVERFLOW_SCROLL;
|
|
} else if ((NS_STYLE_FRAME_OFF == intValue) || (NS_STYLE_FRAME_NOSCROLL == intValue)) {
|
|
returnValue = NS_STYLE_OVERFLOW_HIDDEN;
|
|
}
|
|
} else {
|
|
if (NS_STYLE_FRAME_YES == intValue) {
|
|
returnValue = NS_STYLE_OVERFLOW_SCROLL;
|
|
} else if (NS_STYLE_FRAME_NO == intValue) {
|
|
returnValue = NS_STYLE_OVERFLOW_HIDDEN;
|
|
} else if (NS_STYLE_FRAME_AUTO == intValue) {
|
|
returnValue = NS_STYLE_OVERFLOW_AUTO;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return returnValue;
|
|
}
|
|
|
|
nsFrameborder nsHTMLFrameInnerFrame::GetFrameBorder(PRBool aStandardMode)
|
|
{
|
|
nsFrameborder rv = eFrameborder_Notset;
|
|
nsresult res = NS_OK;
|
|
nsCOMPtr<nsIHTMLContent> content = do_QueryInterface(mContent, &res);
|
|
if (NS_SUCCEEDED(res) && content) {
|
|
nsHTMLValue value;
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == (content->GetHTMLAttribute(nsHTMLAtoms::frameborder, value))) {
|
|
if (eHTMLUnit_Enumerated == value.GetUnit()) {
|
|
PRInt32 intValue;
|
|
intValue = value.GetIntValue();
|
|
if (!aStandardMode) {
|
|
if (NS_STYLE_FRAME_YES == intValue) {
|
|
rv = eFrameborder_Yes;
|
|
}
|
|
else if (NS_STYLE_FRAME_NO == intValue) {
|
|
rv = eFrameborder_No;
|
|
}
|
|
} else {
|
|
if (NS_STYLE_FRAME_0 == intValue) {
|
|
rv = eFrameborder_No;
|
|
}
|
|
else if (NS_STYLE_FRAME_1 == intValue) {
|
|
rv = eFrameborder_Yes;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// XXX if we get here, check for nsIDOMFRAMESETElement interface
|
|
return rv;
|
|
}
|
|
|
|
|
|
PRInt32 nsHTMLFrameInnerFrame::GetMarginWidth(nsIPresContext* aPresContext, nsIContent* aContent)
|
|
{
|
|
PRInt32 marginWidth = -1;
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIHTMLContent> content = do_QueryInterface(mContent, &rv);
|
|
if (NS_SUCCEEDED(rv) && content) {
|
|
float p2t;
|
|
aPresContext->GetScaledPixelsToTwips(&p2t);
|
|
nsHTMLValue value;
|
|
content->GetHTMLAttribute(nsHTMLAtoms::marginwidth, value);
|
|
if (eHTMLUnit_Pixel == value.GetUnit()) {
|
|
marginWidth = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
|
|
if (marginWidth < 0) {
|
|
marginWidth = 0;
|
|
}
|
|
}
|
|
}
|
|
return marginWidth;
|
|
}
|
|
|
|
PRInt32 nsHTMLFrameInnerFrame::GetMarginHeight(nsIPresContext* aPresContext, nsIContent* aContent)
|
|
{
|
|
PRInt32 marginHeight = -1;
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIHTMLContent> content = do_QueryInterface(mContent, &rv);
|
|
if (NS_SUCCEEDED(rv) && content) {
|
|
float p2t;
|
|
aPresContext->GetScaledPixelsToTwips(&p2t);
|
|
nsHTMLValue value;
|
|
content->GetHTMLAttribute(nsHTMLAtoms::marginheight, value);
|
|
if (eHTMLUnit_Pixel == value.GetUnit()) {
|
|
marginHeight = NSIntPixelsToTwips(value.GetPixelValue(), p2t);
|
|
if (marginHeight < 0) {
|
|
marginHeight = 0;
|
|
}
|
|
}
|
|
}
|
|
return marginHeight;
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHODIMP nsHTMLFrameInnerFrame::GetFrameName(nsString& aResult) const
|
|
{
|
|
return MakeFrameName("FrameInner", aResult);
|
|
}
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameInnerFrame::GetFrameType(nsIAtom** aType) const
|
|
{
|
|
NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
|
|
*aType = nsLayoutAtoms::htmlFrameInnerFrame;
|
|
NS_ADDREF(*aType);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameInnerFrame::Paint(nsIPresContext* aPresContext,
|
|
nsIRenderingContext& aRenderingContext,
|
|
const nsRect& aDirtyRect,
|
|
nsFramePaintLayer aWhichLayer)
|
|
{
|
|
//printf("inner paint %X (%d,%d,%d,%d) \n", this, aDirtyRect.x, aDirtyRect.y, aDirtyRect.width, aDirtyRect.height);
|
|
// if there is not web shell paint based on our background color,
|
|
// otherwise let the web shell paint the sub document
|
|
if (!mSubShell) {
|
|
const nsStyleColor* color =
|
|
(const nsStyleColor*)mStyleContext->GetStyleData(eStyleStruct_Color);
|
|
aRenderingContext.SetColor(color->mBackgroundColor);
|
|
aRenderingContext.FillRect(mRect);
|
|
}
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameInnerFrame::GetParentContent(nsIContent*& aContent)
|
|
{
|
|
nsHTMLFrameOuterFrame* parent;
|
|
nsresult rv = GetParent((nsIFrame**)&parent);
|
|
if (NS_SUCCEEDED(rv) && parent) {
|
|
rv = parent->GetContent(&aContent);
|
|
}
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameInnerFrame::DidReflow(nsIPresContext* aPresContext,
|
|
nsDidReflowStatus aStatus)
|
|
{
|
|
nsresult rv = nsLeafFrame::DidReflow(aPresContext, aStatus);
|
|
|
|
|
|
// The view is created hidden; once we have reflowed it and it has been
|
|
// positioned then we show it.
|
|
if (NS_FRAME_REFLOW_FINISHED == aStatus) {
|
|
nsIView* view = nsnull;
|
|
GetView(aPresContext, &view);
|
|
if (view) {
|
|
const nsStyleDisplay* display;
|
|
GetStyleData(eStyleStruct_Display, ((const nsStyleStruct *&)display));
|
|
nsViewVisibility newVis = display->IsVisible() ? nsViewVisibility_kShow : nsViewVisibility_kHide;
|
|
nsViewVisibility oldVis;
|
|
// only change if different.
|
|
view->GetVisibility(oldVis);
|
|
if (newVis != oldVis)
|
|
view->SetVisibility(newVis);
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLFrameInnerFrame::CreateDocShell(nsIPresContext* aPresContext,
|
|
const nsSize& aSize)
|
|
{
|
|
nsresult rv;
|
|
nsCOMPtr<nsIContent> parentContent;
|
|
GetParentContent(*getter_AddRefs(parentContent));
|
|
|
|
mSubShell = do_CreateInstance(kWebShellCID);
|
|
NS_ENSURE_TRUE(mSubShell, NS_ERROR_FAILURE);
|
|
|
|
// notify the pres shell that a docshell has been created
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
aPresContext->GetShell(getter_AddRefs(presShell));
|
|
if (presShell)
|
|
{
|
|
nsCOMPtr<nsISupports> subShellAsSupports(do_QueryInterface(mSubShell));
|
|
NS_ENSURE_TRUE(subShellAsSupports, NS_ERROR_FAILURE);
|
|
presShell->SetSubShellFor(mContent, subShellAsSupports);
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(mSubShell));
|
|
NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
|
|
// pass along marginwidth, marginheight, scrolling so sub document can use it
|
|
docShell->SetMarginWidth(GetMarginWidth(aPresContext, parentContent));
|
|
docShell->SetMarginHeight(GetMarginHeight(aPresContext, parentContent));
|
|
nsCompatibility mode;
|
|
aPresContext->GetCompatibilityMode(&mode);
|
|
// Current and initial scrolling is set so that all succeeding docs
|
|
// will use the scrolling value set here, regardless if scrolling is
|
|
// set by viewing a particular document (e.g. XUL turns off scrolling)
|
|
nsCOMPtr<nsIScrollable> scrollableContainer(do_QueryInterface(mSubShell));
|
|
if (scrollableContainer) {
|
|
scrollableContainer->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_Y,
|
|
GetScrolling(parentContent, mode));
|
|
scrollableContainer->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_X,
|
|
GetScrolling(parentContent, mode));
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> docShellAsItem(do_QueryInterface(mSubShell));
|
|
NS_ENSURE_TRUE(docShellAsItem, NS_ERROR_FAILURE);
|
|
nsString frameName;
|
|
if (GetName(parentContent, frameName)) {
|
|
docShellAsItem->SetName(frameName.GetUnicode());
|
|
}
|
|
|
|
// If our container is a web-shell, inform it that it has a new
|
|
// child. If it's not a web-shell then some things will not operate
|
|
// properly.
|
|
nsCOMPtr<nsISupports> container;
|
|
aPresContext->GetContainer(getter_AddRefs(container));
|
|
if (container) {
|
|
nsCOMPtr<nsIDocShellTreeNode> parentAsNode(do_QueryInterface(container));
|
|
if (parentAsNode) {
|
|
nsCOMPtr<nsIDocShellTreeItem> parentAsItem(do_QueryInterface(parentAsNode));
|
|
PRInt32 parentType;
|
|
parentAsItem->GetItemType(&parentType);
|
|
|
|
nsIAtom* typeAtom = NS_NewAtom("type");
|
|
nsAutoString value, valuePiece;
|
|
PRBool isContent;
|
|
|
|
isContent = PR_FALSE;
|
|
if (NS_SUCCEEDED(parentContent->GetAttribute(kNameSpaceID_None,
|
|
typeAtom, value))) {
|
|
|
|
// we accept "content" and "content-xxx" values.
|
|
// at time of writing, we expect "xxx" to be "primary", but
|
|
// someday it might be an integer expressing priority
|
|
value.Left(valuePiece, 7);
|
|
if (valuePiece.EqualsIgnoreCase("content") &&
|
|
(value.Length() == 7 ||
|
|
value.Mid(valuePiece, 7, 1) == 1 && valuePiece.EqualsWithConversion("-")))
|
|
isContent = PR_TRUE;
|
|
}
|
|
NS_IF_RELEASE(typeAtom);
|
|
if (isContent) {
|
|
// The web shell's type is content.
|
|
docShellAsItem->SetItemType(nsIDocShellTreeItem::typeContent);
|
|
} else {
|
|
// Inherit our type from our parent webshell. If it is
|
|
// chrome, we'll be chrome. If it is content, we'll be
|
|
// content.
|
|
docShellAsItem->SetItemType(parentType);
|
|
}
|
|
|
|
parentAsNode->AddChild(docShellAsItem);
|
|
|
|
if (isContent) {
|
|
nsCOMPtr<nsIDocShellTreeOwner> parentTreeOwner;
|
|
parentAsItem->GetTreeOwner(getter_AddRefs(parentTreeOwner));
|
|
if(parentTreeOwner)
|
|
parentTreeOwner->ContentShellAdded(docShellAsItem,
|
|
value.EqualsIgnoreCase("content-primary") ? PR_TRUE : PR_FALSE,
|
|
value.GetUnicode());
|
|
}
|
|
// connect the container...
|
|
nsCOMPtr<nsIWebShell> webShell(do_QueryInterface(mSubShell));
|
|
nsCOMPtr<nsIWebShellContainer> outerContainer(do_QueryInterface(container));
|
|
if (outerContainer)
|
|
webShell->SetContainer(outerContainer);
|
|
|
|
|
|
// Make sure all shells have links back to the content element in the
|
|
// nearest enclosing chrome shell.
|
|
nsCOMPtr<nsIDocShell> parentShell(do_QueryInterface(parentAsNode));
|
|
nsCOMPtr<nsIChromeEventHandler> chromeEventHandler;
|
|
if (parentType == nsIDocShellTreeItem::typeChrome) {
|
|
// Our parent shell is a chrome shell. It is therefore our nearest
|
|
// enclosing chrome shell.
|
|
chromeEventHandler = do_QueryInterface(mContent);
|
|
NS_WARN_IF_FALSE(chromeEventHandler, "This mContent should implement this.");
|
|
}
|
|
else {
|
|
// Our parent shell is a content shell. Get the chrome info from
|
|
// it and use that for our shell as well.
|
|
parentShell->GetChromeEventHandler(getter_AddRefs(chromeEventHandler));
|
|
}
|
|
|
|
docShell->SetChromeEventHandler(chromeEventHandler);
|
|
}
|
|
}
|
|
|
|
float t2p;
|
|
aPresContext->GetTwipsToPixels(&t2p);
|
|
|
|
// create, init, set the parent of the view
|
|
nsIView* view;
|
|
rv = nsComponentManager::CreateInstance(kCViewCID, nsnull, kIViewIID,
|
|
(void **)&view);
|
|
if (NS_OK != rv) {
|
|
NS_ASSERTION(0, "Could not create view for nsHTMLFrame");
|
|
return rv;
|
|
}
|
|
|
|
nsIView* parView;
|
|
nsPoint origin;
|
|
GetOffsetFromView(aPresContext, origin, &parView);
|
|
nsRect viewBounds(origin.x, origin.y, aSize.width, aSize.height);
|
|
|
|
nsCOMPtr<nsIViewManager> viewMan;
|
|
presShell->GetViewManager(getter_AddRefs(viewMan));
|
|
rv = view->Init(viewMan, viewBounds, parView);
|
|
viewMan->InsertChild(parView, view, 0);
|
|
rv = view->CreateWidget(kCChildCID);
|
|
SetView(aPresContext, view);
|
|
|
|
// if the visibility is hidden, reflect that in the view
|
|
const nsStyleDisplay* display;
|
|
GetStyleData(eStyleStruct_Display, ((const nsStyleStruct *&)display));
|
|
if (!display->IsVisible()) {
|
|
view->SetVisibility(nsViewVisibility_kHide);
|
|
}
|
|
|
|
nsCOMPtr<nsIWidget> widget;
|
|
view->GetWidget(*getter_AddRefs(widget));
|
|
|
|
mSubShell->InitWindow(nsnull, widget, 0, 0, NSToCoordRound(aSize.width * t2p),
|
|
NSToCoordRound(aSize.height * t2p));
|
|
mSubShell->Create();
|
|
|
|
mSubShell->SetVisibility(PR_TRUE);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLFrameInnerFrame::DoLoadURL(nsIPresContext* aPresContext)
|
|
{
|
|
nsresult rv = NS_OK;
|
|
|
|
NS_ENSURE_TRUE (mSubShell, NS_ERROR_UNEXPECTED);
|
|
|
|
// Prevent recursion
|
|
mCreatingViewer=PR_TRUE;
|
|
|
|
// Get the URL to load
|
|
nsCOMPtr<nsIContent> parentContent;
|
|
rv = GetParentContent(*getter_AddRefs(parentContent));
|
|
NS_ENSURE_TRUE(NS_SUCCEEDED(rv) && parentContent, rv);
|
|
|
|
nsAutoString url;
|
|
GetURL(parentContent, url);
|
|
if (url.IsEmpty()) // Load about:blank into a frame if not URL is specified (bug 35986)
|
|
url = NS_ConvertASCIItoUCS2("about:blank");
|
|
|
|
// Make an absolute URL
|
|
nsCOMPtr<nsIURI> baseURL;
|
|
nsCOMPtr<nsIHTMLContent> htmlContent = do_QueryInterface(parentContent, &rv);
|
|
if (NS_SUCCEEDED(rv) && htmlContent) {
|
|
htmlContent->GetBaseURL(*getter_AddRefs(baseURL));
|
|
}
|
|
else {
|
|
nsCOMPtr<nsIDocument> doc;
|
|
rv = parentContent->GetDocument(*getter_AddRefs(doc));
|
|
if (NS_SUCCEEDED(rv) && doc) {
|
|
doc->GetBaseURL(*getter_AddRefs(baseURL));
|
|
}
|
|
}
|
|
nsAutoString absURL;
|
|
rv = NS_MakeAbsoluteURI(absURL, url, baseURL);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsIURI> uri;
|
|
NS_NewURI(getter_AddRefs(uri), absURL, nsnull);
|
|
|
|
// Check for security
|
|
NS_WITH_SERVICE(nsIScriptSecurityManager, secMan,
|
|
NS_SCRIPTSECURITYMANAGER_PROGID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// Get base URL
|
|
nsCOMPtr<nsIURI> baseURI;
|
|
rv = aPresContext->GetBaseURL(getter_AddRefs(baseURI));
|
|
|
|
// Get docshell and create load info
|
|
nsCOMPtr<nsIDocShell> docShell(do_QueryInterface(mSubShell));
|
|
NS_ENSURE_TRUE(docShell, NS_ERROR_FAILURE);
|
|
nsCOMPtr<nsIDocShellLoadInfo> loadInfo;
|
|
docShell->CreateLoadInfo(getter_AddRefs(loadInfo));
|
|
NS_ENSURE_TRUE(loadInfo, NS_ERROR_FAILURE);
|
|
|
|
// Get referring URL
|
|
nsCOMPtr<nsIURI> referrer;
|
|
nsCOMPtr<nsIPrincipal> principal;
|
|
rv = secMan->GetSubjectPrincipal(getter_AddRefs(principal));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
// If we were called from script, get the referring URL from the script
|
|
if (principal) {
|
|
nsCOMPtr<nsICodebasePrincipal> codebase = do_QueryInterface(principal);
|
|
if (codebase) {
|
|
rv = codebase->GetURI(getter_AddRefs(referrer));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
// Pass the script principal to the docshell
|
|
nsCOMPtr<nsISupports> owner = do_QueryInterface(principal);
|
|
loadInfo->SetOwner(owner);
|
|
}
|
|
if (!referrer) { // We're not being called form script, tell the docshell
|
|
// to inherit an owner from the current document.
|
|
loadInfo->SetInheritOwner(PR_TRUE);
|
|
referrer = baseURI;
|
|
}
|
|
|
|
// Check if we are allowed to load absURL
|
|
nsCOMPtr<nsIURI> newURI;
|
|
rv = NS_NewURI(getter_AddRefs(newURI), absURL, baseURI);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
rv = secMan->CheckLoadURI(referrer, newURI, PR_FALSE);
|
|
if (NS_FAILED(rv))
|
|
return rv; // We're not
|
|
|
|
rv = docShell->LoadURI(uri, loadInfo);
|
|
NS_ASSERTION(NS_SUCCEEDED(rv), "failed to load URL");
|
|
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameInnerFrame::Reflow(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
DO_GLOBAL_REFLOW_COUNT("nsHTMLFrameInnerFrame", aReflowState.reason);
|
|
NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
|
|
("enter nsHTMLFrameInnerFrame::Reflow: maxSize=%d,%d reason=%d",
|
|
aReflowState.availableWidth,
|
|
aReflowState.availableHeight,
|
|
aReflowState.reason));
|
|
|
|
nsresult rv = NS_OK;
|
|
|
|
// use the max size set in aReflowState by the nsHTMLFrameOuterFrame as our size
|
|
if (!mCreatingViewer) {
|
|
// create the web shell
|
|
// we do this even if the size is not positive (bug 11762)
|
|
// we do this even if there is no src (bug 16218)
|
|
if (!mSubShell) {
|
|
nsSize maxSize(aReflowState.availableWidth, aReflowState.availableHeight);
|
|
rv = CreateDocShell(aPresContext, maxSize);
|
|
}
|
|
// Whether or not we had to create a webshell, load the document
|
|
if (NS_SUCCEEDED(rv)) {
|
|
rv = DoLoadURL(aPresContext);
|
|
}
|
|
}
|
|
|
|
GetDesiredSize(aPresContext, aReflowState, aDesiredSize);
|
|
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
|
|
// resize the sub document
|
|
if(mSubShell) {
|
|
float t2p;
|
|
aPresContext->GetTwipsToPixels(&t2p);
|
|
|
|
PRInt32 x = 0;
|
|
PRInt32 y = 0;
|
|
|
|
mSubShell->GetPositionAndSize(&x, &y, nsnull, nsnull);
|
|
PRInt32 cx = NSToCoordRound(aDesiredSize.width * t2p);
|
|
PRInt32 cy = NSToCoordRound(aDesiredSize.height * t2p);
|
|
mSubShell->SetPositionAndSize(x, y, cx, cy, PR_FALSE);
|
|
|
|
NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
|
|
("exit nsHTMLFrameInnerFrame::Reflow: size=%d,%d rv=%x",
|
|
aDesiredSize.width, aDesiredSize.height, aStatus));
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
// load a new url
|
|
nsresult
|
|
nsHTMLFrameInnerFrame::ReloadURL(nsIPresContext* aPresContext)
|
|
{
|
|
return DoLoadURL(aPresContext);
|
|
}
|
|
|
|
void
|
|
nsHTMLFrameInnerFrame::GetDesiredSize(nsIPresContext* aPresContext,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsHTMLReflowMetrics& aDesiredSize)
|
|
{
|
|
aDesiredSize.width = aReflowState.availableWidth;
|
|
aDesiredSize.height = aReflowState.availableHeight;
|
|
aDesiredSize.ascent = aDesiredSize.height;
|
|
aDesiredSize.descent = 0;
|
|
|
|
// For unknown reasons, the maxElementSize for the InnerFrame is used, but the
|
|
// maxElementSize for the OuterFrame is ignored, make sure to get it right here!
|
|
if (aDesiredSize.maxElementSize) {
|
|
if ((NS_UNCONSTRAINEDSIZE == aReflowState.availableWidth) ||
|
|
(eStyleUnit_Percent == aReflowState.mStylePosition->mWidth.GetUnit())) {
|
|
aDesiredSize.maxElementSize->width = 0; // percent width springy down to 0 px
|
|
}
|
|
else {
|
|
aDesiredSize.maxElementSize->width = aDesiredSize.width;
|
|
}
|
|
if ((NS_UNCONSTRAINEDSIZE == aReflowState.availableHeight) ||
|
|
(eStyleUnit_Percent == aReflowState.mStylePosition->mHeight.GetUnit())) {
|
|
aDesiredSize.maxElementSize->height = 0; // percent height springy down to 0px
|
|
}
|
|
else {
|
|
aDesiredSize.maxElementSize->height = aDesiredSize.height;
|
|
}
|
|
}
|
|
}
|
|
|
|
/*******************************************************************************
|
|
* FrameLoadingInfo
|
|
******************************************************************************/
|
|
FrameLoadingInfo::FrameLoadingInfo(const nsSize& aSize)
|
|
{
|
|
NS_INIT_REFCNT();
|
|
|
|
mFrameSize = aSize;
|
|
}
|
|
|
|
/*
|
|
* Implementation of ISupports methods...
|
|
*/
|
|
NS_IMPL_ISUPPORTS(FrameLoadingInfo,kISupportsIID);
|
|
|