layout/base/nsIPercentHeightObserver.h@b8a032363ba2 (annotated)
layout/base/nsIPercentHeightObserver.h
Thu, 22 Jan 2015 13:21:57 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Thu, 22 Jan 2015 13:21:57 +0100
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
- permissions
- -rw-r--r--
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
| michael@0 | 1 | /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
| michael@0 | 2 | /* This Source Code Form is subject to the terms of the Mozilla Public |
| michael@0 | 3 | * License, v. 2.0. If a copy of the MPL was not distributed with this |
| michael@0 | 4 | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
| michael@0 | 5 | |
| michael@0 | 6 | #ifndef nsIPercentHeightObserver_h___ |
| michael@0 | 7 | #define nsIPercentHeightObserver_h___ |
| michael@0 | 8 | |
| michael@0 | 9 | #include "nsQueryFrame.h" |
| michael@0 | 10 | |
| michael@0 | 11 | struct nsHTMLReflowState; |
| michael@0 | 12 | |
| michael@0 | 13 | /** |
| michael@0 | 14 | * This interface is supported by frames that need to provide computed height |
| michael@0 | 15 | * values to children during reflow which would otherwise not happen. Currently only |
| michael@0 | 16 | * table cells support this. |
| michael@0 | 17 | */ |
| michael@0 | 18 | class nsIPercentHeightObserver |
| michael@0 | 19 | { |
| michael@0 | 20 | public: |
| michael@0 | 21 | NS_DECL_QUERYFRAME_TARGET(nsIPercentHeightObserver) |
| michael@0 | 22 | |
| michael@0 | 23 | // Notify the observer that aReflowState has no computed height, but it has a percent height |
| michael@0 | 24 | virtual void NotifyPercentHeight(const nsHTMLReflowState& aReflowState) = 0; |
| michael@0 | 25 | |
| michael@0 | 26 | // Ask the observer if it should observe aReflowState.frame |
| michael@0 | 27 | virtual bool NeedsToObserve(const nsHTMLReflowState& aReflowState) = 0; |
| michael@0 | 28 | }; |
| michael@0 | 29 | |
| michael@0 | 30 | #endif // nsIPercentHeightObserver_h___ |
