From 6bf0a5cb5034a7e684dcc3500e841785237ce2dd Mon Sep 17 00:00:00 2001 From: Daniel Baumann Date: Sun, 7 Apr 2024 19:32:43 +0200 Subject: Adding upstream version 1:115.7.0. Signed-off-by: Daniel Baumann --- layout/base/nsIReflowCallback.h | 34 ++++++++++++++++++++++++++++++++++ 1 file changed, 34 insertions(+) create mode 100644 layout/base/nsIReflowCallback.h (limited to 'layout/base/nsIReflowCallback.h') diff --git a/layout/base/nsIReflowCallback.h b/layout/base/nsIReflowCallback.h new file mode 100644 index 0000000000..aa7dbd3c24 --- /dev/null +++ b/layout/base/nsIReflowCallback.h @@ -0,0 +1,34 @@ +/* -*- 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 nsIReflowCallback_h___ +#define nsIReflowCallback_h___ + +/** + * Reflow callback interface. + * These are not refcounted. Objects must be removed from the presshell + * callback list before they die. + * Protocol: objects will either get a ReflowFinished() call when a reflow + * has finished or a ReflowCallbackCanceled() call if the shell is destroyed, + * whichever happens first. If the object is explicitly removed from the shell + * (using PresShell::CancelReflowCallback()) before that occurs then neither + * of the callback methods are called. + */ +class nsIReflowCallback { + public: + /** + * The presshell calls this when reflow has finished. Return true if + * you need a FlushType::Layout to happen after this. + */ + virtual bool ReflowFinished() = 0; + /** + * The presshell calls this on outstanding callback requests in its + * Destroy() method. The shell removes the request after calling + * ReflowCallbackCanceled(). + */ + virtual void ReflowCallbackCanceled() = 0; +}; + +#endif /* nsIReflowCallback_h___ */ -- cgit v1.2.3