зеркало из https://github.com/mozilla/gecko-dev.git
35 строки
1.1 KiB
C++
35 строки
1.1 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
|
|
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
|
|
/* This Source Code Form is subject to the terms of the Mozilla Public
|
|
* License, v. 2.0. If a copy of the MPL was not distributed with this
|
|
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
|
|
|
|
#ifndef nsIPercentBSizeObserver_h___
|
|
#define nsIPercentBSizeObserver_h___
|
|
|
|
#include "nsQueryFrame.h"
|
|
|
|
namespace mozilla {
|
|
struct ReflowInput;
|
|
} // namespace mozilla
|
|
|
|
/**
|
|
* This interface is supported by frames that need to provide computed bsize
|
|
* values to children during reflow which would otherwise not happen. Currently
|
|
* only table cells support this.
|
|
*/
|
|
class nsIPercentBSizeObserver
|
|
{
|
|
public:
|
|
NS_DECL_QUERYFRAME_TARGET(nsIPercentBSizeObserver)
|
|
|
|
// Notify the observer that aReflowInput has no computed bsize,
|
|
// but it has a percent bsize
|
|
virtual void NotifyPercentBSize(const mozilla::ReflowInput& aReflowInput) = 0;
|
|
|
|
// Ask the observer if it should observe aReflowInput.frame
|
|
virtual bool NeedsToObserve(const mozilla::ReflowInput& aReflowInput) = 0;
|
|
};
|
|
|
|
#endif // nsIPercentBSizeObserver_h___
|