mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-12-27 02:43:07 +00:00
69 lines
2.8 KiB
C++
69 lines
2.8 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
|
* Version: MPL 1.1/GPL 2.0/LGPL 2.1
|
|
*
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
|
* the License. You may obtain a copy of the License at
|
|
* http://www.mozilla.org/MPL/
|
|
*
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
|
* for the specific language governing rights and limitations under the
|
|
* License.
|
|
*
|
|
* The Original Code is mozilla.org code.
|
|
*
|
|
* The Initial Developer of the Original Code is
|
|
* Netscape Communications Corporation.
|
|
* Portions created by the Initial Developer are Copyright (C) 1998
|
|
* the Initial Developer. All Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*
|
|
* Alternatively, the contents of this file may be used under the terms of
|
|
* either of the GNU General Public License Version 2 or later (the "GPL"),
|
|
* or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
|
|
* in which case the provisions of the GPL or the LGPL are applicable instead
|
|
* of those above. If you wish to allow use of your version of this file only
|
|
* under the terms of either the GPL or the LGPL, and not to allow others to
|
|
* use your version of this file under the terms of the MPL, indicate your
|
|
* decision by deleting the provisions above and replace them with the notice
|
|
* and other provisions required by the GPL or the LGPL. If you do not delete
|
|
* the provisions above, a recipient may use your version of this file under
|
|
* the terms of any one of the MPL, the GPL or the LGPL.
|
|
*
|
|
* ***** END LICENSE BLOCK ***** */
|
|
|
|
#ifndef nsIPercentHeightObserver_h___
|
|
#define nsIPercentHeightObserver_h___
|
|
|
|
struct nsHTMLReflowState;
|
|
class nsPresContext;
|
|
|
|
// IID for the nsIPercentHeightObserver interface
|
|
#define NS_IPERCENTHEIGHTOBSERVER_IID \
|
|
{ 0x9cdc174b, 0x4f39, 0x41ad, {0xbc, 0x16, 0x5a, 0xc5, 0xa8, 0x64, 0x14, 0xa1}}
|
|
|
|
/**
|
|
* This interface is supported by frames that need to provide computed height
|
|
* values to children during reflow which would otherwise not happen. Currently only
|
|
* table cells support this.
|
|
*/
|
|
class nsIPercentHeightObserver : public nsISupports
|
|
{
|
|
public:
|
|
NS_DECLARE_STATIC_IID_ACCESSOR(NS_IPERCENTHEIGHTOBSERVER_IID)
|
|
|
|
// Notify the observer that aReflowState has no computed height, but it has a percent height
|
|
virtual void NotifyPercentHeight(const nsHTMLReflowState& aReflowState) = 0;
|
|
|
|
// Ask the observer if it should observe aReflowState.frame
|
|
virtual PRBool NeedsToObserve(const nsHTMLReflowState& aReflowState) = 0;
|
|
};
|
|
|
|
NS_DEFINE_STATIC_IID_ACCESSOR(nsIPercentHeightObserver,
|
|
NS_IPERCENTHEIGHTOBSERVER_IID)
|
|
|
|
#endif // nsIPercentHeightObserver_h___
|