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117 lines
4.2 KiB
C++
117 lines
4.2 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 Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* 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 mozilla.org code.
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*
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* The Initial Developer of the Original Code is
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* Netscape Communications Corporation.
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* Portions created by the Initial Developer are Copyright (C) 1998
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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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 of the GNU General Public License Version 2 or later (the "GPL"),
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* or 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 MPL, 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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/* debugging interface for all rendering objects */
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#ifndef nsIFrameDebug_h___
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#define nsIFrameDebug_h___
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#include "nsIFrame.h"
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class nsPresContext;
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struct PRLogModuleInfo;
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/**
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* Debug related functions
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*/
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class nsIFrameDebug {
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public:
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NS_DECLARE_FRAME_ACCESSOR(nsIFrameDebug)
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NS_IMETHOD List(FILE* out, PRInt32 aIndent) const = 0;
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/**
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* lists the frames beginning from the root frame
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* - calls root frame's List(...)
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*/
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static void RootFrameList(nsPresContext* aPresContext, FILE* out, PRInt32 aIndent);
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static void DumpFrameTree(nsIFrame* aFrame);
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/**
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* Get a printable from of the name of the frame type.
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* XXX This should be eliminated and we use GetType() instead...
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*/
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NS_IMETHOD GetFrameName(nsAString& aResult) const = 0;
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/**
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* Return the state bits that are relevant to regression tests (that is, those bits which indicate a real difference when they differ
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*/
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NS_IMETHOD_(nsFrameState) GetDebugStateBits() const = 0;
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/**
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* Called to dump out regression data that describes the layout
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* of the frame and its children, and so on. The format of the
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* data is dictated to be XML (using a specific DTD); the
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* specific kind of data dumped is up to the frame itself, with
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* the caveat that some base types are defined.
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* For more information, see XXX.
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*/
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NS_IMETHOD DumpRegressionData(nsPresContext* aPresContext, FILE* out, PRInt32 aIndent) = 0;
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/**
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* See if style tree verification is enabled. To enable style tree
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* verification add "styleverifytree:1" to your NSPR_LOG_MODULES
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* environment variable (any non-zero debug level will work). Or,
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* call SetVerifyStyleTreeEnable with PR_TRUE.
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*/
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static PRBool GetVerifyStyleTreeEnable();
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/**
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* Set the verify-style-tree enable flag.
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*/
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static void SetVerifyStyleTreeEnable(PRBool aEnabled);
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/**
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* The frame class and related classes share an nspr log module
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* for logging frame activity.
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*
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* Note: the log module is created during library initialization which
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* means that you cannot perform logging before then.
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*/
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static PRLogModuleInfo* GetLogModuleInfo();
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// Show frame borders when rendering
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static void ShowFrameBorders(PRBool aEnable);
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static PRBool GetShowFrameBorders();
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// Show frame border of event target
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static void ShowEventTargetFrameBorder(PRBool aEnable);
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static PRBool GetShowEventTargetFrameBorder();
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static void PrintDisplayList(nsDisplayListBuilder* aBuilder, const nsDisplayList& aList);
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};
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#endif /* nsIFrameDebug_h___ */
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