зеркало из https://github.com/mozilla/gecko-dev.git
76 строки
2.9 KiB
C++
76 строки
2.9 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
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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/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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* IBM Corporation.
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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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* Brian Ryner <bryner@brianryner.com>
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* Alex Fritze <alex@croczilla.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either 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 MPL, the GPL or the LGPL.
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*
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* ----- END LICENSE BLOCK ----- */
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#include "nsXTFFrameUtils.h"
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#include "nsIFrame.h"
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#include "nsIXTFVisualWrapperPrivate.h"
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#include "nsIDOMElement.h"
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nsIFrame*
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nsXTFFrameUtils::GetContentInsertionFrame(nsIFrame *aFrame)
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{
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nsCOMPtr<nsIContent> content =
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nsXTFFrameUtils::GetContentInsertionNode(aFrame);
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NS_ASSERTION(content, "element not implementing nsIContent!?");
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nsIFrame* insertionFrame = nsnull;
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aFrame->GetPresContext()->PresShell()->GetPrimaryFrameFor(content,
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&insertionFrame);
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return insertionFrame;
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}
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already_AddRefed<nsIContent>
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nsXTFFrameUtils::GetContentInsertionNode(nsIFrame *aFrame)
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{
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nsCOMPtr<nsIXTFVisualWrapperPrivate> visual =
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do_QueryInterface(aFrame->GetContent());
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NS_ASSERTION(visual, "huh? associated content not implementing nsIXTFVisualWrapperPrivate");
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nsCOMPtr<nsIDOMElement> childInsertionPoint;
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visual->GetInsertionPoint(getter_AddRefs(childInsertionPoint));
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if (!childInsertionPoint) return nsnull; // we don't take visual child content
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nsIContent *content = nsnull;
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CallQueryInterface(childInsertionPoint, &content);
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return content;
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}
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