238 lines
8.9 KiB
C++
238 lines
8.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is the Mozilla XTF project.
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*
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* The Initial Developer of the Original Code is
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* Alex Fritze.
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* Portions created by the Initial Developer are Copyright (C) 2004
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Alex Fritze <alex@croczilla.com> (original author)
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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 MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include "nsCOMPtr.h"
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#include "nsStyleSet.h"
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#include "nsPresContext.h"
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#include "nsIPresShell.h"
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#include "nsBlockFrame.h"
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#include "nsInlineFrame.h"
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#include "nsIXTFXMLVisual.h"
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#include "nsIDOMElement.h"
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#include "nsIXTFVisualWrapperPrivate.h"
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#include "nsIAnonymousContentCreator.h"
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#include "nsXTFFrameUtils.h"
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////////////////////////////////////////////////////////////////////////
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// nsXTFXMLBlockDisplayFrame
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nsIFrame* NS_NewXTFXMLDisplayFrame(nsIPresShell* aPresShell, nsStyleContext* aContext, PRBool isBlock);
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typedef nsBlockFrame nsXTFXMLBlockDisplayFrameBase;
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class nsXTFXMLBlockDisplayFrame : public nsXTFXMLBlockDisplayFrameBase,
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public nsIAnonymousContentCreator
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{
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public:
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nsXTFXMLBlockDisplayFrame(nsStyleContext* aContext)
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: nsXTFXMLBlockDisplayFrameBase(aContext) {}
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// nsISupports interface:
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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private:
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NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }
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NS_IMETHOD_(nsrefcnt) Release() { return NS_OK; }
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public:
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// nsIFrame
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virtual nsIFrame* GetContentInsertionFrame();
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virtual already_AddRefed<nsIContent> GetContentInsertionNode();
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NS_IMETHOD DidReflow(nsPresContext* aPresContext,
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const nsHTMLReflowState* aReflowState,
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nsDidReflowStatus aStatus);
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// nsIAnonymousContentCreator
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NS_IMETHOD CreateAnonymousContent(nsPresContext* aPresContext,
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nsISupportsArray& aAnonymousItems);
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// If the creator doesn't want to create special frame for frame hierarchy
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// then it should null out the style content arg and return NS_ERROR_FAILURE
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NS_IMETHOD CreateFrameFor(nsPresContext* aPresContext,
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nsIContent * aContent,
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nsIFrame** aFrame) {
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if (aFrame) *aFrame = nsnull; return NS_ERROR_FAILURE; }
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};
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//----------------------------------------------------------------------
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// nsISupports methods
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NS_INTERFACE_MAP_BEGIN(nsXTFXMLBlockDisplayFrame)
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NS_INTERFACE_MAP_ENTRY(nsIAnonymousContentCreator)
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NS_INTERFACE_MAP_END_INHERITING(nsXTFXMLBlockDisplayFrameBase)
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//----------------------------------------------------------------------
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// nsIFrame methods
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nsIFrame*
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nsXTFXMLBlockDisplayFrame::GetContentInsertionFrame()
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{
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return nsXTFFrameUtils::GetContentInsertionFrame(this);
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}
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already_AddRefed<nsIContent>
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nsXTFXMLBlockDisplayFrame::GetContentInsertionNode()
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{
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return nsXTFFrameUtils::GetContentInsertionNode(this);
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}
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NS_IMETHODIMP
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nsXTFXMLBlockDisplayFrame::DidReflow(nsPresContext* aPresContext,
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const nsHTMLReflowState* aReflowState,
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nsDidReflowStatus aStatus)
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{
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nsresult rv = nsXTFXMLBlockDisplayFrameBase::DidReflow(aPresContext, aReflowState, aStatus);
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nsCOMPtr<nsIXTFVisualWrapperPrivate> visual = do_QueryInterface(mContent);
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NS_ASSERTION(visual, "huh? associated content not implementing nsIXTFVisualWrapperPrivate");
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visual->DidLayout();
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return rv;
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}
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//----------------------------------------------------------------------
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// nsIAnonymousContentCreator methods:
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NS_IMETHODIMP
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nsXTFXMLBlockDisplayFrame::CreateAnonymousContent(nsPresContext* aPresContext,
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nsISupportsArray& aAnonymousItems)
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{
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nsCOMPtr<nsIXTFVisualWrapperPrivate> visual = do_QueryInterface(mContent);
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NS_ASSERTION(visual, "huh? associated content not implementing nsIXTFVisualWrapperPrivate");
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return visual->CreateAnonymousContent(aPresContext, aAnonymousItems);
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}
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////////////////////////////////////////////////////////////////////////
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// nsXTFXMLInlineDisplayFrame
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typedef nsInlineFrame nsXTFXMLInlineDisplayFrameBase;
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class nsXTFXMLInlineDisplayFrame : public nsXTFXMLInlineDisplayFrameBase,
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public nsIAnonymousContentCreator
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{
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public:
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nsXTFXMLInlineDisplayFrame(nsStyleContext* aContext)
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: nsXTFXMLInlineDisplayFrameBase(aContext) {}
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// nsISupports interface:
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NS_IMETHOD QueryInterface(const nsIID& aIID, void** aInstancePtr);
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private:
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NS_IMETHOD_(nsrefcnt) AddRef() { return NS_OK; }
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NS_IMETHOD_(nsrefcnt) Release() { return NS_OK; }
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public:
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// nsIFrame
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virtual nsIFrame* GetContentInsertionFrame();
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virtual already_AddRefed<nsIContent> GetContentInsertionNode();
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NS_IMETHOD DidReflow(nsPresContext* aPresContext,
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const nsHTMLReflowState* aReflowState,
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nsDidReflowStatus aStatus);
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// nsIAnonymousContentCreator
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NS_IMETHOD CreateAnonymousContent(nsPresContext* aPresContext,
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nsISupportsArray& aAnonymousItems);
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// If the creator doesn't want to create special frame for frame hierarchy
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// then it should null out the style content arg and return NS_ERROR_FAILURE
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NS_IMETHOD CreateFrameFor(nsPresContext* aPresContext,
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nsIContent * aContent,
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nsIFrame** aFrame) {
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if (aFrame) *aFrame = nsnull; return NS_ERROR_FAILURE; }
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};
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//----------------------------------------------------------------------
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// nsISupports methods
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NS_INTERFACE_MAP_BEGIN(nsXTFXMLInlineDisplayFrame)
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NS_INTERFACE_MAP_ENTRY(nsIAnonymousContentCreator)
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NS_INTERFACE_MAP_END_INHERITING(nsXTFXMLInlineDisplayFrameBase)
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//----------------------------------------------------------------------
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// nsIFrame methods
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nsIFrame*
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nsXTFXMLInlineDisplayFrame::GetContentInsertionFrame()
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{
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return nsXTFFrameUtils::GetContentInsertionFrame(this);
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}
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already_AddRefed<nsIContent>
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nsXTFXMLInlineDisplayFrame::GetContentInsertionNode()
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{
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return nsXTFFrameUtils::GetContentInsertionNode(this);
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}
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NS_IMETHODIMP
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nsXTFXMLInlineDisplayFrame::DidReflow(nsPresContext* aPresContext,
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const nsHTMLReflowState* aReflowState,
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nsDidReflowStatus aStatus)
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{
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nsresult rv = nsXTFXMLInlineDisplayFrameBase::DidReflow(aPresContext, aReflowState, aStatus);
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nsCOMPtr<nsIXTFVisualWrapperPrivate> visual = do_QueryInterface(mContent);
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NS_ASSERTION(visual, "huh? associated content not implementing nsIXTFVisualWrapperPrivate");
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visual->DidLayout();
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return rv;
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}
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//----------------------------------------------------------------------
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// nsIAnonymousContentCreator methods:
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NS_IMETHODIMP
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nsXTFXMLInlineDisplayFrame::CreateAnonymousContent(nsPresContext* aPresContext,
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nsISupportsArray& aAnonymousItems)
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{
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nsCOMPtr<nsIXTFVisualWrapperPrivate> visual = do_QueryInterface(mContent);
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NS_ASSERTION(visual, "huh? associated content not implementing nsIXTFVisualWrapperPrivate");
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return visual->CreateAnonymousContent(aPresContext, aAnonymousItems);
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}
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////////////////////////////////////////////////////////////////////////
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// Construction API
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nsIFrame*
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NS_NewXTFXMLDisplayFrame(nsIPresShell* aPresShell, nsStyleContext* aContext, PRBool isBlock)
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{
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if (isBlock)
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return new (aPresShell) nsXTFXMLBlockDisplayFrame(aContext);
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else
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return new (aPresShell) nsXTFXMLInlineDisplayFrame(aContext);
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}
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