mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-07 13:24:12 +00:00
270d3909ca
treewide changes to convert incorrect usages of string.Length() to string.IsEmpty(). thanks to afatecha@idea.com.py (Ariel Fatecha) for the patch. r=dwitte, sr=jst. got the ok from Asa to land into a closed tree.
1328 lines
42 KiB
C++
1328 lines
42 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: NPL 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 Netscape Public License
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* Version 1.1 (the "License"); you may not use this file except in
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* compliance with the License. You may obtain a copy of the License at
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* http://www.mozilla.org/NPL/
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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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* Håkan Waara <hwaara@chello.se>
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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 the GNU General Public License Version 2 or later (the "GPL"), or
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* 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 NPL, 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 NPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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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 "nsIComponentManager.h"
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#include "nsIFrameManager.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 "nsStyleContext.h"
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#include "nsStyleConsts.h"
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#include "nsIDocumentLoader.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 "nsIFrameLoader.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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#include "nsINameSpaceManager.h"
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#include "nsIPrintContext.h"
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#include "nsIPrintPreviewContext.h"
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#include "nsIWidget.h"
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#include "nsIWebProgress.h"
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#include "nsIWebProgressListener.h"
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#include "nsIWebBrowserPrint.h"
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#include "nsWeakReference.h"
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#include "nsIDOMEventTarget.h"
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#include "nsIDOMEventListener.h"
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#include "nsIDOMWindow.h"
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#include "nsIDOMDocument.h"
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#include "nsPIDOMWindow.h"
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#include "nsIRenderingContext.h"
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#include "nsIFrameFrame.h"
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#include "nsAutoPtr.h"
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// For Accessibility
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#ifdef ACCESSIBILITY
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#include "nsIAccessibilityService.h"
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#endif
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#include "nsIServiceManager.h"
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class nsHTMLFrame;
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static NS_DEFINE_CID(kCViewCID, NS_VIEW_CID);
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static NS_DEFINE_CID(kCChildCID, NS_CHILD_CID);
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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 nsIFrameFrame
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{
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public:
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nsHTMLFrameOuterFrame();
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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#endif
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// nsISupports
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NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);
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NS_IMETHOD_(nsrefcnt) AddRef(void) { return 2; }
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NS_IMETHOD_(nsrefcnt) Release(void) { return 1; }
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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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PRUint32 aFlags);
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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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nsStyleContext* 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 aModType,
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PRInt32 aHint);
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// if the content is "visibility:hidden", then just hide the view
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// and all our contents. We don't extend "visibility:hidden" to
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// the child content ourselves, since it belongs to a different
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// document and CSS doesn't inherit in there.
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virtual PRBool SupportsVisibilityHidden() { return PR_FALSE; }
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#ifdef ACCESSIBILITY
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NS_IMETHOD GetAccessible(nsIAccessible** aAccessible);
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#endif
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// nsIFrameFrame
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NS_IMETHOD GetDocShell(nsIDocShell **aDocShell);
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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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nsCOMPtr<nsIPresContext> mPresContext;
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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 nsSupportsWeakReference
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{
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public:
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nsHTMLFrameInnerFrame();
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NS_IMETHOD QueryInterface(REFNSIID aIID, void** aInstancePtr);
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NS_IMETHOD_(nsrefcnt) AddRef(void) { return 2; }
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NS_IMETHOD_(nsrefcnt) Release(void) { return 1; }
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#ifdef DEBUG
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NS_IMETHOD GetFrameName(nsAString& aResult) const;
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#endif
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NS_IMETHOD GetFrameType(nsIAtom** aType) const;
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NS_IMETHOD Destroy(nsIPresContext* aPresContext);
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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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PRUint32 aFlags);
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// Make sure we never think this frame is opaque because it has
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// a background set; we won't be painting it in most cases
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virtual PRBool CanPaintBackground() { return PR_FALSE; }
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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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const nsHTMLReflowState* aReflowState,
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nsDidReflowStatus aStatus);
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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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nsStyleContext* aContext,
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nsIFrame* aPrevInFlow);
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void GetParentContent(nsIContent** aContent);
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nsresult GetDocShell(nsIDocShell **aDocShell);
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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);
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nsFrameborder GetFrameBorder();
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PRInt32 GetMarginWidth(nsIContent* aContent);
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PRInt32 GetMarginHeight(nsIContent* aContent);
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friend class nsHTMLFrameOuterFrame;
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protected:
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nsresult ShowDocShell(nsIPresContext* aPresContext);
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nsresult CreateViewAndWidget(nsIPresContext* aPresContext,
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nsIWidget** aWidget);
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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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nsresult ReloadURL();
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nsCOMPtr<nsIFrameLoader> mFrameLoader;
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PRPackedBool mOwnsFrameLoader;
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PRPackedBool 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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#ifdef ACCESSIBILITY
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NS_IMETHODIMP nsHTMLFrameOuterFrame::GetAccessible(nsIAccessible** aAccessible)
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{
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nsCOMPtr<nsIAccessibilityService> accService = do_GetService("@mozilla.org/accessibilityService;1");
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if (accService) {
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nsCOMPtr<nsIDOMNode> node = do_QueryInterface(mContent);
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return accService->CreateOuterDocAccessible(node, aAccessible);
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}
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return NS_ERROR_FAILURE;
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}
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#endif
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NS_IMETHODIMP
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nsHTMLFrameOuterFrame::GetDocShell(nsIDocShell **aDocShell)
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{
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*aDocShell = nsnull;
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nsHTMLFrameInnerFrame* firstChild = NS_STATIC_CAST(nsHTMLFrameInnerFrame*,
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mFrames.FirstChild());
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if (!firstChild)
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return NS_OK;
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return firstChild->GetDocShell(aDocShell);
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}
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//--------------------------------------------------------------
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// Frames are not refcounted, no need to AddRef
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NS_IMETHODIMP
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nsHTMLFrameOuterFrame::QueryInterface(const nsIID& aIID, void** aInstancePtr)
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{
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NS_PRECONDITION(0 != aInstancePtr, "null ptr");
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if (NULL == aInstancePtr) {
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return NS_ERROR_NULL_POINTER;
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}
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if (aIID.Equals(NS_GET_IID(nsIFrameFrame))) {
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nsISupports *tmp = NS_STATIC_CAST(nsIFrameFrame *, this);
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*aInstancePtr = tmp;
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return NS_OK;
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}
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return nsHTMLFrameOuterFrameSuper::QueryInterface(aIID, aInstancePtr);
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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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nsStyleContext* aContext,
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nsIFrame* aPrevInFlow)
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{
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mPresContext = aPresContext;
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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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nsresult rv = nsHTMLFrameOuterFrameSuper::Init(aPresContext, aContent, aParent,
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aContext, aPrevInFlow);
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if (NS_FAILED(rv))
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return rv;
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// nsHTMLFrameInnerFrame is going to create a view for its frame
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// right away, in the call to Init(). 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 InnerFrame's
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// view's parent will already have been set to some outer view
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// (e.g., the canvas) when it really needs to have the OuterFrame's
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// view as its parent. So, create the OuterFrame's view right away
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// if we need it, and the InnerFrame's view will get it as the parent.
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nsIView* view = nsnull;
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GetView(aPresContext, &view);
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if (!view) {
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// To properly initialize the view we need to know the frame for the content
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// that is the parent of content for this frame. This might not be our actual
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// frame parent if we are out of flow (e.g., positioned) so our parent frame
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// may have been set to some other ancestor.
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// We look for a content parent frame in the frame property list, where it
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// will have been set by nsCSSFrameConstructor if necessary.
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nsCOMPtr<nsIAtom> contentParentAtom = do_GetAtom("contentParent");
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nsIFrame* contentParent = nsnull;
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nsCOMPtr<nsIPresShell> presShell;
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aPresContext->GetShell(getter_AddRefs(presShell));
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if (presShell) {
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nsCOMPtr<nsIFrameManager> frameManager;
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presShell->GetFrameManager(getter_AddRefs(frameManager));
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if (frameManager) {
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void* value;
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rv = frameManager->GetFrameProperty(this,
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contentParentAtom,
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NS_IFRAME_MGR_REMOVE_PROP,
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&value);
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if (NS_SUCCEEDED(rv)) {
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contentParent = (nsIFrame*)value;
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}
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}
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}
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nsHTMLContainerFrame::CreateViewForFrame(aPresContext,this,mStyleContext,contentParent,PR_TRUE);
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GetView(aPresContext, &view);
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}
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if (aParent->GetStyleDisplay()->mDisplay == NS_STYLE_DISPLAY_DECK) {
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nsCOMPtr<nsIWidget> widget;
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view->GetWidget(*getter_AddRefs(widget));
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if (!widget)
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view->CreateWidget(kCChildCID);
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}
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nsCOMPtr<nsIPresShell> shell;
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aPresContext->GetShell(getter_AddRefs(shell));
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nsIFrame* 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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nsRefPtr<nsStyleContext> innerStyleContext;
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innerStyleContext = aPresContext->ResolveStyleContextFor(mContent,
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mStyleContext);
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rv = firstChild->Init(aPresContext, mContent, this, innerStyleContext, nsnull);
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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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return NS_OK;
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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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|
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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 = PR_MIN(PR_MAX(NSIntPixelsToTwips(300, p2t),
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aReflowState.mComputedMinWidth),
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aReflowState.mComputedMaxWidth);
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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 = PR_MIN(PR_MAX(NSIntPixelsToTwips(150, p2t),
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aReflowState.mComputedMinHeight),
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aReflowState.mComputedMaxHeight);
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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 max-element-width for the InnerFrame is
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|
// used, but the max-element-width for the OuterFrame is ignored, the
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// following is not used!
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if (aDesiredSize.mComputeMEW) {
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aDesiredSize.mMaxElementWidth = aDesiredSize.width;
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}
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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,
|
|
nsIRenderingContext& aRenderingContext,
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|
const nsRect& aDirtyRect,
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|
nsFramePaintLayer aWhichLayer,
|
|
PRUint32 aFlags)
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|
{
|
|
PRBool isVisible;
|
|
if (NS_SUCCEEDED(IsVisibleForPainting(aPresContext, aRenderingContext, PR_TRUE, &isVisible)) && !isVisible) {
|
|
return NS_OK;
|
|
}
|
|
|
|
//printf("outer paint %X (%d,%d,%d,%d) \n", this, aDirtyRect.x, aDirtyRect.y, aDirtyRect.width, aDirtyRect.height);
|
|
return nsHTMLContainerFrame::Paint(aPresContext, aRenderingContext,
|
|
aDirtyRect, aWhichLayer);
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHODIMP nsHTMLFrameOuterFrame::GetFrameName(nsAString& aResult) const
|
|
{
|
|
return MakeFrameName(NS_LITERAL_STRING("FrameOuter"), aResult);
|
|
}
|
|
#endif
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameOuterFrame::GetFrameType(nsIAtom** aType) const
|
|
{
|
|
NS_PRECONDITION(nsnull != aType, "null OUT parameter pointer");
|
|
*aType = nsLayoutAtoms::htmlFrameOuterFrame;
|
|
NS_ADDREF(*aType);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameOuterFrame::Reflow(nsIPresContext* aPresContext,
|
|
nsHTMLReflowMetrics& aDesiredSize,
|
|
const nsHTMLReflowState& aReflowState,
|
|
nsReflowStatus& aStatus)
|
|
{
|
|
DO_GLOBAL_REFLOW_COUNT("nsHTMLFrameOuterFrame", aReflowState.reason);
|
|
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 nsHTMLFrameOuterFrame::Reflow: maxSize=%d,%d reason=%d",
|
|
aReflowState.availableWidth, aReflowState.availableHeight, aReflowState.reason));
|
|
|
|
if (IsInline()) {
|
|
GetDesiredSize(aPresContext, aReflowState, aDesiredSize); // IFRAME
|
|
} else {
|
|
aDesiredSize.width = aReflowState.availableWidth; // FRAME
|
|
aDesiredSize.height = aReflowState.availableHeight;
|
|
if (aDesiredSize.mComputeMEW) { // Probably not used...
|
|
aDesiredSize.mMaxElementWidth = aDesiredSize.width;
|
|
}
|
|
}
|
|
|
|
nsSize innerSize(aDesiredSize.width, aDesiredSize.height);
|
|
nsPoint offset(0,0);
|
|
nsMargin border = aReflowState.mComputedBorderPadding;
|
|
if (IsInline()) {
|
|
offset.x = border.left;
|
|
offset.y = border.top;
|
|
// XXX Don't subtract the border!!! The size we are given does not include our
|
|
// border! -EDV
|
|
//innerSize.width -= border.left + border.right;
|
|
//innerSize.height -= border.top + border.bottom;
|
|
|
|
// we now need to add our border in. -EDV
|
|
aDesiredSize.width += border.left + border.right;
|
|
aDesiredSize.height += border.top + border.bottom;
|
|
}
|
|
|
|
// Reflow the child and get its desired size. We'll need to convert
|
|
// an incremental reflow to a dirty reflow unless our child is along
|
|
// the path.
|
|
nsIFrame* firstChild = mFrames.FirstChild();
|
|
nsHTMLReflowMetrics kidMetrics(aDesiredSize.mComputeMEW);
|
|
nsHTMLReflowState kidReflowState(aPresContext, aReflowState, firstChild,
|
|
innerSize);
|
|
ReflowChild(firstChild, aPresContext, kidMetrics, kidReflowState,
|
|
offset.x, offset.y, 0, aStatus);
|
|
NS_ASSERTION(NS_FRAME_IS_COMPLETE(aStatus), "bad status");
|
|
|
|
// For unknown reasons, the maxElementSize for the InnerFrame is used, but the
|
|
// maxElementSize for the OuterFrame is ignored, add in border here to prevent
|
|
// a table from shrinking inside the iframe's border when resized.
|
|
if (IsInline()) {
|
|
if (kidMetrics.mComputeMEW) {
|
|
kidMetrics.mMaxElementWidth += border.left + border.right;
|
|
}
|
|
}
|
|
|
|
// Place and size the child
|
|
FinishReflowChild(firstChild, aPresContext, nsnull,
|
|
kidMetrics, offset.x, offset.y, 0);
|
|
if (aDesiredSize.mComputeMEW) {
|
|
aDesiredSize.mMaxElementWidth = kidMetrics.mMaxElementWidth;
|
|
}
|
|
|
|
// Determine if we need to repaint our border, background or outline
|
|
CheckInvalidateSizeChange(aPresContext, aDesiredSize, aReflowState);
|
|
|
|
{
|
|
// Invalidate the frame
|
|
nsRect frameRect;
|
|
GetRect(frameRect);
|
|
nsRect rect(0, 0, frameRect.width, frameRect.height);
|
|
if (!rect.IsEmpty()) {
|
|
Invalidate(aPresContext, rect, PR_FALSE);
|
|
}
|
|
}
|
|
|
|
NS_FRAME_TRACE(NS_FRAME_TRACE_CALLS,
|
|
("exit nsHTMLFrameOuterFrame::Reflow: size=%d,%d status=%x",
|
|
aDesiredSize.width, aDesiredSize.height, aStatus));
|
|
|
|
NS_FRAME_SET_TRUNCATION(aStatus, aReflowState, aDesiredSize);
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameOuterFrame::VerifyTree() const
|
|
{
|
|
// XXX Completely disabled for now; once pseud-frames are reworked
|
|
// then we can turn it back on.
|
|
return NS_OK;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameOuterFrame::AttributeChanged(nsIPresContext* aPresContext,
|
|
nsIContent* aChild,
|
|
PRInt32 aNameSpaceID,
|
|
nsIAtom* aAttribute,
|
|
PRInt32 aModType,
|
|
PRInt32 aHint)
|
|
{
|
|
nsCOMPtr<nsIAtom> type;
|
|
aChild->GetTag(*getter_AddRefs(type));
|
|
|
|
if ((type != nsHTMLAtoms::object && aAttribute == nsHTMLAtoms::src) ||
|
|
(type == nsHTMLAtoms::object && aAttribute == nsHTMLAtoms::data)) {
|
|
nsHTMLFrameInnerFrame* firstChild =
|
|
NS_STATIC_CAST(nsHTMLFrameInnerFrame*, mFrames.FirstChild());
|
|
|
|
if (firstChild && firstChild->mOwnsFrameLoader) {
|
|
firstChild->ReloadURL();
|
|
}
|
|
}
|
|
// If the noResize attribute changes, dis/allow frame to be resized
|
|
else if (aAttribute == nsHTMLAtoms::noresize) {
|
|
nsCOMPtr<nsIContent> parentContent;
|
|
mContent->GetParent(*getter_AddRefs(parentContent));
|
|
|
|
nsCOMPtr<nsIAtom> parentTag;
|
|
parentContent->GetTag(*getter_AddRefs(parentTag));
|
|
|
|
if (parentTag == nsHTMLAtoms::frameset) {
|
|
nsIFrame* parentFrame = nsnull;
|
|
GetParent(&parentFrame);
|
|
|
|
if (parentFrame) {
|
|
// There is no interface for nsHTMLFramesetFrame so QI'ing to
|
|
// concrete class, yay!
|
|
nsHTMLFramesetFrame* framesetFrame = nsnull;
|
|
parentFrame->QueryInterface(NS_GET_IID(nsHTMLFramesetFrame),
|
|
(void **)&framesetFrame);
|
|
|
|
if (framesetFrame) {
|
|
framesetFrame->RecalculateBorderResize();
|
|
}
|
|
}
|
|
}
|
|
}
|
|
else if (aAttribute == nsHTMLAtoms::type) {
|
|
nsHTMLFrameInnerFrame* firstChild = NS_STATIC_CAST(nsHTMLFrameInnerFrame*,
|
|
mFrames.FirstChild());
|
|
if (!firstChild || !firstChild->mFrameLoader)
|
|
return NS_OK;
|
|
|
|
nsAutoString value;
|
|
aChild->GetAttr(kNameSpaceID_None, nsHTMLAtoms::type, value);
|
|
|
|
// Notify our enclosing chrome that the primary content shell
|
|
// has changed.
|
|
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
firstChild->mFrameLoader->GetDocShell(getter_AddRefs(docShell));
|
|
|
|
nsCOMPtr<nsIDocShellTreeItem> docShellAsItem(do_QueryInterface(docShell));
|
|
|
|
// 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));
|
|
|
|
nsCOMPtr<nsIDocShellTreeNode> parentAsNode(do_QueryInterface(container));
|
|
|
|
if (parentAsNode) {
|
|
nsCOMPtr<nsIDocShellTreeItem> parentAsItem =
|
|
do_QueryInterface(parentAsNode);
|
|
|
|
nsCOMPtr<nsIDocShellTreeOwner> parentTreeOwner;
|
|
parentAsItem->GetTreeOwner(getter_AddRefs(parentTreeOwner));
|
|
if (parentTreeOwner) {
|
|
PRInt32 parentType;
|
|
parentAsItem->GetItemType(&parentType);
|
|
PRBool is_primary_content =
|
|
parentType == nsIDocShellTreeItem::typeChrome &&
|
|
value.EqualsIgnoreCase("content-primary");
|
|
|
|
parentTreeOwner->ContentShellAdded(docShellAsItem, is_primary_content,
|
|
value.get());
|
|
}
|
|
}
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
NS_NewHTMLFrameOuterFrame(nsIPresShell* aPresShell, nsIFrame** aNewFrame)
|
|
{
|
|
NS_PRECONDITION(aNewFrame, "null OUT ptr");
|
|
if (nsnull == aNewFrame) {
|
|
return NS_ERROR_NULL_POINTER;
|
|
}
|
|
nsHTMLFrameOuterFrame* it = new (aPresShell) nsHTMLFrameOuterFrame;
|
|
if (!it) {
|
|
return NS_ERROR_OUT_OF_MEMORY;
|
|
}
|
|
*aNewFrame = it;
|
|
return NS_OK;
|
|
}
|
|
|
|
/******************************************************************************
|
|
* nsHTMLFrameInnerFrame
|
|
*****************************************************************************/
|
|
nsHTMLFrameInnerFrame::nsHTMLFrameInnerFrame()
|
|
: nsLeafFrame(), mOwnsFrameLoader(PR_FALSE), mCreatingViewer(PR_FALSE)
|
|
{
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameInnerFrame::Destroy(nsIPresContext* aPresContext)
|
|
{
|
|
|
|
if (mFrameLoader) {
|
|
// Get the content viewer through the docshell, but don't call
|
|
// GetDocShell() since we don't want to create one if we don't
|
|
// have one.
|
|
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
mFrameLoader->GetDocShell(getter_AddRefs(docShell));
|
|
|
|
if (docShell) {
|
|
nsCOMPtr<nsIContentViewer> content_viewer;
|
|
docShell->GetContentViewer(getter_AddRefs(content_viewer));
|
|
|
|
if (content_viewer) {
|
|
// Mark the content viewer as non-sticky so that the presentation
|
|
// can safely go away when this frame is destroyed.
|
|
|
|
content_viewer->SetSticky(PR_FALSE);
|
|
|
|
// Hide the content viewer now that the frame is going away...
|
|
|
|
content_viewer->Hide();
|
|
}
|
|
}
|
|
}
|
|
|
|
if (mFrameLoader && mOwnsFrameLoader) {
|
|
// We own this frame loader, and we're going away, so destroy our
|
|
// frame loader.
|
|
|
|
mFrameLoader->Destroy();
|
|
}
|
|
|
|
return nsLeafFrame::Destroy(aPresContext);
|
|
}
|
|
|
|
PRBool nsHTMLFrameInnerFrame::GetURL(nsIContent* aContent, nsString& aResult)
|
|
{
|
|
aResult.SetLength(0);
|
|
nsCOMPtr<nsIAtom> type;
|
|
aContent->GetTag(*getter_AddRefs(type));
|
|
|
|
if (type.get() == nsHTMLAtoms::object) {
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == (aContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::data, aResult)))
|
|
if (!aResult.IsEmpty())
|
|
return PR_TRUE;
|
|
}else
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == (aContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::src, aResult)))
|
|
if (!aResult.IsEmpty())
|
|
return PR_TRUE;
|
|
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRBool nsHTMLFrameInnerFrame::GetName(nsIContent* aContent, nsString& aResult)
|
|
{
|
|
aResult.SetLength(0);
|
|
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == (aContent->GetAttr(kNameSpaceID_None, nsHTMLAtoms::name, aResult))) {
|
|
if (!aResult.IsEmpty()) {
|
|
return PR_TRUE;
|
|
}
|
|
}
|
|
|
|
return PR_FALSE;
|
|
}
|
|
|
|
PRInt32 nsHTMLFrameInnerFrame::GetScrolling(nsIContent* aContent)
|
|
{
|
|
PRInt32 returnValue = -1;
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIHTMLContent> content = do_QueryInterface(mContent, &rv);
|
|
|
|
if (NS_SUCCEEDED(rv) && content) {
|
|
nsHTMLValue value;
|
|
// XXXldb This code belongs in the attribute mapping code for the
|
|
// content node -- otherwise it doesn't follow the CSS cascading
|
|
// rules correctly.
|
|
if (NS_CONTENT_ATTR_HAS_VALUE == content->GetHTMLAttribute(nsHTMLAtoms::scrolling, value)) {
|
|
if (eHTMLUnit_Enumerated == value.GetUnit()) {
|
|
switch (value.GetIntValue()) {
|
|
case NS_STYLE_FRAME_ON:
|
|
case NS_STYLE_FRAME_SCROLL:
|
|
case NS_STYLE_FRAME_YES:
|
|
returnValue = NS_STYLE_OVERFLOW_SCROLL;
|
|
break;
|
|
|
|
case NS_STYLE_FRAME_OFF:
|
|
case NS_STYLE_FRAME_NOSCROLL:
|
|
case NS_STYLE_FRAME_NO:
|
|
returnValue = NS_STYLE_OVERFLOW_HIDDEN;
|
|
break;
|
|
|
|
case NS_STYLE_FRAME_AUTO:
|
|
default:
|
|
returnValue = NS_STYLE_OVERFLOW_AUTO;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
// Check style for overflow
|
|
const nsStyleDisplay* display = GetStyleDisplay();
|
|
if (display->mOverflow)
|
|
returnValue = display->mOverflow;
|
|
}
|
|
return returnValue;
|
|
}
|
|
|
|
nsFrameborder nsHTMLFrameInnerFrame::GetFrameBorder()
|
|
{
|
|
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()) {
|
|
switch (value.GetIntValue())
|
|
{
|
|
case NS_STYLE_FRAME_1:
|
|
case NS_STYLE_FRAME_YES:
|
|
rv = eFrameborder_Yes;
|
|
break;
|
|
|
|
case NS_STYLE_FRAME_0:
|
|
case NS_STYLE_FRAME_NO:
|
|
rv = eFrameborder_No;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// XXX if we get here, check for nsIDOMFRAMESETElement interface
|
|
return rv;
|
|
}
|
|
|
|
|
|
PRInt32 nsHTMLFrameInnerFrame::GetMarginWidth(nsIContent* aContent)
|
|
{
|
|
PRInt32 marginWidth = -1;
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIHTMLContent> content = do_QueryInterface(mContent, &rv);
|
|
if (NS_SUCCEEDED(rv) && content) {
|
|
nsHTMLValue value;
|
|
content->GetHTMLAttribute(nsHTMLAtoms::marginwidth, value);
|
|
if (eHTMLUnit_Pixel == value.GetUnit())
|
|
return value.GetPixelValue();
|
|
}
|
|
return marginWidth;
|
|
}
|
|
|
|
PRInt32 nsHTMLFrameInnerFrame::GetMarginHeight(nsIContent* aContent)
|
|
{
|
|
PRInt32 marginHeight = -1;
|
|
nsresult rv = NS_OK;
|
|
nsCOMPtr<nsIHTMLContent> content = do_QueryInterface(mContent, &rv);
|
|
if (NS_SUCCEEDED(rv) && content) {
|
|
nsHTMLValue value;
|
|
content->GetHTMLAttribute(nsHTMLAtoms::marginheight, value);
|
|
if (eHTMLUnit_Pixel == value.GetUnit())
|
|
return value.GetPixelValue();
|
|
}
|
|
return marginHeight;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameInnerFrame::QueryInterface(REFNSIID aIID, void** aInstancePtr)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aInstancePtr);
|
|
|
|
if (aIID.Equals(NS_GET_IID(nsISupportsWeakReference))) {
|
|
nsISupports *tmp = NS_STATIC_CAST(nsISupportsWeakReference *, this);
|
|
*aInstancePtr = tmp;
|
|
return NS_OK;
|
|
}
|
|
|
|
return nsLeafFrame::QueryInterface(aIID, aInstancePtr);
|
|
}
|
|
|
|
#ifdef DEBUG
|
|
NS_IMETHODIMP nsHTMLFrameInnerFrame::GetFrameName(nsAString& aResult) const
|
|
{
|
|
return MakeFrameName(NS_LITERAL_STRING("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,
|
|
PRUint32 aFlags)
|
|
{
|
|
//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
|
|
|
|
// isPaginated is a temporary fix for Bug 75737 and this should all
|
|
// be fixed correctly by Bug 75739
|
|
PRBool isPaginated;
|
|
aPresContext->IsPaginated(&isPaginated);
|
|
|
|
if (!isPaginated) {
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
GetDocShell(getter_AddRefs(docShell));
|
|
|
|
if (!docShell) {
|
|
const nsStyleBackground* color = GetStyleBackground();
|
|
|
|
aRenderingContext.SetColor(color->mBackgroundColor);
|
|
aRenderingContext.FillRect(mRect);
|
|
}
|
|
}
|
|
|
|
DO_GLOBAL_REFLOW_COUNT_DSP("nsHTMLFrameInnerFrame", &aRenderingContext);
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
nsHTMLFrameInnerFrame::GetParentContent(nsIContent** aContent)
|
|
{
|
|
*aContent = nsnull;
|
|
|
|
nsIFrame* parent = nsnull;
|
|
GetParent(&parent);
|
|
|
|
if (parent) {
|
|
parent->GetContent(aContent);
|
|
}
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLFrameInnerFrame::GetDocShell(nsIDocShell **aDocShell)
|
|
{
|
|
*aDocShell = nsnull;
|
|
|
|
nsCOMPtr<nsIContent> content;
|
|
GetParentContent(getter_AddRefs(content));
|
|
|
|
if (!content) {
|
|
// Hmm, no content in this frame (or in the parent, really),
|
|
// that's odd, not much to be done here then.
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
if (!mFrameLoader) {
|
|
nsCOMPtr<nsIFrameLoaderOwner> frame_loader_owner =
|
|
do_QueryInterface(content);
|
|
|
|
if (frame_loader_owner) {
|
|
frame_loader_owner->GetFrameLoader(getter_AddRefs(mFrameLoader));
|
|
}
|
|
|
|
if (!mFrameLoader) {
|
|
nsresult rv = NS_OK;
|
|
|
|
// No frame loader available from the content, create our own...
|
|
mFrameLoader = do_CreateInstance(NS_FRAMELOADER_CONTRACTID, &rv);
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
// ... remember that we own this frame loader...
|
|
mOwnsFrameLoader = PR_TRUE;
|
|
|
|
// ... initialize it...
|
|
mFrameLoader->Init(content);
|
|
|
|
// ... and tell it to start loading.
|
|
rv = mFrameLoader->LoadFrame();
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
}
|
|
}
|
|
|
|
return mFrameLoader->GetDocShell(aDocShell);
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameInnerFrame::DidReflow(nsIPresContext* aPresContext,
|
|
const nsHTMLReflowState* aReflowState,
|
|
nsDidReflowStatus aStatus)
|
|
{
|
|
nsresult rv = nsLeafFrame::DidReflow(aPresContext, nsnull, 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) {
|
|
nsViewVisibility newVis = GetStyleVisibility()->IsVisible()
|
|
? nsViewVisibility_kShow
|
|
: nsViewVisibility_kHide;
|
|
nsViewVisibility oldVis;
|
|
// only change if different.
|
|
view->GetVisibility(oldVis);
|
|
if (newVis != oldVis) {
|
|
nsCOMPtr<nsIViewManager> vm;
|
|
view->GetViewManager(*getter_AddRefs(vm));
|
|
if (vm) {
|
|
vm->SetViewVisibility(view, newVis);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLFrameInnerFrame::ShowDocShell(nsIPresContext* aPresContext)
|
|
{
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
nsresult rv = GetDocShell(getter_AddRefs(docShell));
|
|
NS_ENSURE_SUCCESS(rv, rv);
|
|
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
docShell->GetPresShell(getter_AddRefs(presShell));
|
|
|
|
if (presShell) {
|
|
// The docshell is already showing, nothing left to do...
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIContent> content;
|
|
GetParentContent(getter_AddRefs(content));
|
|
|
|
// pass along marginwidth, marginheight, scrolling so sub document
|
|
// can use it
|
|
docShell->SetMarginWidth(GetMarginWidth(content));
|
|
docShell->SetMarginHeight(GetMarginHeight(content));
|
|
|
|
// 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> sc(do_QueryInterface(docShell));
|
|
|
|
if (sc) {
|
|
PRInt32 scrolling = GetScrolling(content);
|
|
|
|
sc->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_Y,
|
|
scrolling);
|
|
sc->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_X,
|
|
scrolling);
|
|
}
|
|
|
|
nsCOMPtr<nsIWidget> widget;
|
|
|
|
rv = CreateViewAndWidget(aPresContext, getter_AddRefs(widget));
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(docShell));
|
|
|
|
if (baseWindow) {
|
|
baseWindow->InitWindow(nsnull, widget, 0, 0, 10, 10);
|
|
|
|
// This is kinda whacky, this "Create()" call doesn't really
|
|
// create anything, one starts to wonder why this was named
|
|
// "Create"...
|
|
|
|
baseWindow->Create();
|
|
|
|
baseWindow->SetVisibility(PR_TRUE);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
nsresult
|
|
nsHTMLFrameInnerFrame::CreateViewAndWidget(nsIPresContext* aPresContext,
|
|
nsIWidget** aWidget)
|
|
{
|
|
NS_ENSURE_ARG_POINTER(aPresContext);
|
|
NS_ENSURE_ARG_POINTER(aWidget);
|
|
|
|
nsCOMPtr<nsIPresShell> presShell;
|
|
aPresContext->GetShell(getter_AddRefs(presShell));
|
|
NS_ENSURE_TRUE(presShell, NS_ERROR_FAILURE);
|
|
|
|
float t2p;
|
|
aPresContext->GetTwipsToPixels(&t2p);
|
|
|
|
// create, init, set the parent of the view
|
|
nsIView* view;
|
|
nsresult rv = nsComponentManager::CreateInstance(kCViewCID, nsnull,
|
|
NS_GET_IID(nsIView),
|
|
(void **)&view);
|
|
if (NS_FAILED(rv)) {
|
|
NS_ERROR("Could not create view for nsHTMLFrame");
|
|
|
|
return rv;
|
|
}
|
|
|
|
nsIView* parView;
|
|
nsPoint origin;
|
|
GetOffsetFromView(aPresContext, origin, &parView);
|
|
nsRect viewBounds(origin.x, origin.y, 10, 10);
|
|
|
|
nsCOMPtr<nsIViewManager> viewMan;
|
|
presShell->GetViewManager(getter_AddRefs(viewMan));
|
|
rv = view->Init(viewMan, viewBounds, parView);
|
|
// XXX put it at the end of the document order until we can do better
|
|
viewMan->InsertChild(parView, view, nsnull, PR_TRUE);
|
|
|
|
nsWidgetInitData initData;
|
|
initData.clipChildren = PR_TRUE;
|
|
initData.clipSiblings = PR_TRUE;
|
|
nsCOMPtr<nsIDOMXULElement> xulElement(do_QueryInterface(mContent));
|
|
|
|
rv = view->CreateWidget(kCChildCID, nsnull, nsnull, PR_TRUE, PR_TRUE,
|
|
xulElement? eContentTypeUI: eContentTypeContent);
|
|
SetView(aPresContext, view);
|
|
|
|
nsContainerFrame::SyncFrameViewProperties(aPresContext, this, nsnull, view);
|
|
|
|
// XXX the following should be unnecessary, given the above Sync call
|
|
// if the visibility is hidden, reflect that in the view
|
|
if (!GetStyleVisibility()->IsVisible()) {
|
|
viewMan->SetViewVisibility(view, nsViewVisibility_kHide);
|
|
}
|
|
view->GetWidget(*aWidget);
|
|
return rv;
|
|
}
|
|
|
|
NS_IMETHODIMP
|
|
nsHTMLFrameInnerFrame::Init(nsIPresContext* aPresContext,
|
|
nsIContent* aContent,
|
|
nsIFrame* aParent,
|
|
nsStyleContext* aContext,
|
|
nsIFrame* aPrevInFlow)
|
|
{
|
|
nsresult rv = nsLeafFrame::Init(aPresContext, aContent, aParent, aContext,
|
|
aPrevInFlow);
|
|
if (NS_FAILED(rv))
|
|
return rv;
|
|
|
|
// determine if we are a printcontext
|
|
PRBool shouldCreateDoc = PR_TRUE;
|
|
nsCOMPtr<nsIPrintContext> thePrinterContext(do_QueryInterface(aPresContext));
|
|
|
|
if (thePrinterContext) {
|
|
// we are printing
|
|
shouldCreateDoc = PR_FALSE;
|
|
}
|
|
|
|
// for print preview we want to create the view and widget but
|
|
// we do not want to load the document, it is alerady loaded.
|
|
nsCOMPtr<nsIPrintPreviewContext> thePrintPreviewContext =
|
|
do_QueryInterface(aPresContext);
|
|
|
|
if (thePrintPreviewContext) {
|
|
nsCOMPtr<nsIWidget> widget;
|
|
rv = CreateViewAndWidget(aPresContext, getter_AddRefs(widget));
|
|
|
|
if (NS_FAILED(rv)) {
|
|
return rv;
|
|
}
|
|
|
|
// we are in PrintPreview
|
|
shouldCreateDoc = PR_FALSE;
|
|
}
|
|
|
|
if (shouldCreateDoc) {
|
|
rv = ShowDocShell(aPresContext);
|
|
NS_ENSURE_SUCCESS(rv,rv);
|
|
}
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
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
|
|
|
|
GetDesiredSize(aPresContext, aReflowState, aDesiredSize);
|
|
|
|
aStatus = NS_FRAME_COMPLETE;
|
|
|
|
// If doing Printing or Print Preview return here
|
|
// the printing/print preview mechanism will resize the subshell
|
|
PRBool isPaginated;
|
|
aPresContext->IsPaginated(&isPaginated);
|
|
if (isPaginated) {
|
|
return NS_OK;
|
|
}
|
|
|
|
nsCOMPtr<nsIDocShell> docShell;
|
|
GetDocShell(getter_AddRefs(docShell));
|
|
|
|
nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(docShell));
|
|
|
|
// resize the sub document
|
|
if (baseWindow) {
|
|
float t2p;
|
|
aPresContext->GetTwipsToPixels(&t2p);
|
|
|
|
PRInt32 x = 0;
|
|
PRInt32 y = 0;
|
|
|
|
baseWindow->GetPositionAndSize(&x, &y, nsnull, nsnull);
|
|
PRInt32 cx = NSToCoordRound(aDesiredSize.width * t2p);
|
|
PRInt32 cy = NSToCoordRound(aDesiredSize.height * t2p);
|
|
baseWindow->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()
|
|
{
|
|
if (!mOwnsFrameLoader || !mFrameLoader) {
|
|
// If we don't own the frame loader, we're not in charge of what's
|
|
// loaded into it.
|
|
|
|
return NS_OK;
|
|
}
|
|
|
|
return mFrameLoader->LoadFrame();
|
|
}
|
|
|
|
|
|
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 maxElementWidth for the InnerFrame is
|
|
// used, but the maxElementWidth for the OuterFrame is ignored, make
|
|
// sure to get it right here!
|
|
|
|
if (aDesiredSize.mComputeMEW) {
|
|
if ((NS_UNCONSTRAINEDSIZE == aReflowState.availableWidth) ||
|
|
(eStyleUnit_Percent ==
|
|
aReflowState.mStylePosition->mWidth.GetUnit())) {
|
|
// percent width springy down to 0 px
|
|
|
|
aDesiredSize.mMaxElementWidth = 0;
|
|
}
|
|
else {
|
|
aDesiredSize.mMaxElementWidth = aDesiredSize.width;
|
|
}
|
|
}
|
|
}
|
|
|
|
/******************************************************************************
|
|
* FrameLoadingInfo
|
|
*****************************************************************************/
|
|
FrameLoadingInfo::FrameLoadingInfo(const nsSize& aSize)
|
|
{
|
|
mFrameSize = aSize;
|
|
}
|
|
|
|
/*
|
|
* Implementation of ISupports methods...
|
|
*/
|
|
NS_IMPL_ISUPPORTS0(FrameLoadingInfo)
|
|
|