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/* -*- 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 nsIFrameDebug_h___
#define nsIFrameDebug_h___
#include "nsISupports.h"
#include "nsIFrame.h"
class nsPresContext;
struct PRLogModuleInfo;
// IID for the nsIFrameDebug interface {a6cf9069-15b3-11d2-932e-00805f8add32}
#define NS_IFRAMEDEBUG_IID \
{ 0xa6cf9069, 0x15b3, 0x11d2, \
{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
/**
* Debug related functions
*/
class nsIFrameDebug : public nsISupports {
public:
NS_DEFINE_STATIC_IID_ACCESSOR(NS_IFRAMEDEBUG_IID)
NS_IMETHOD List(nsPresContext* aPresContext, FILE* out, PRInt32 aIndent) const = 0;
/**
* lists the frames beginning from the root frame
* - calls root frame's List(...)
*/
static void RootFrameList(nsPresContext* aPresContext, FILE* out, PRInt32 aIndent);
/**
* Get a printable from of the name of the frame type.
* XXX This should be eliminated and we use GetType() instead...
*/
NS_IMETHOD GetFrameName(nsAString& aResult) const = 0;
/**
* Return the state bits that are relevant to regression tests (that is, those bits which indicate a real difference when they differ
*/
NS_IMETHOD_(nsFrameState) GetDebugStateBits() const = 0;
/**
* Called to dump out regression data that describes the layout
* of the frame and it's children, and so on. The format of the
* data is dictated to be XML (using a specific DTD); the
* specific kind of data dumped is up to the frame itself, with
* the caveat that some base types are defined.
* For more information, see XXX.
*
* Argument aIncludeStyleData: if PR_TRUE, style information is dumpted, otherwise it is not
*/
NS_IMETHOD DumpRegressionData(nsPresContext* aPresContext, FILE* out, PRInt32 aIndent, PRBool aIncludeStyleData) = 0;
NS_IMETHOD VerifyTree() const = 0;
/**
* See if tree verification is enabled. To enable tree verification add
* "frameverifytree:1" to your NSPR_LOG_MODULES environment variable
* (any non-zero debug level will work). Or, call SetVerifyTreeEnable
* with PR_TRUE.
*/
static PRBool GetVerifyTreeEnable();
/**
* Set the verify-tree enable flag.
*/
static void SetVerifyTreeEnable(PRBool aEnabled);
/**
* See if style tree verification is enabled. To enable style tree
* verification add "styleverifytree:1" to your NSPR_LOG_MODULES
* environment variable (any non-zero debug level will work). Or,
* call SetVerifyStyleTreeEnable with PR_TRUE.
*/
static PRBool GetVerifyStyleTreeEnable();
/**
* Set the verify-style-tree enable flag.
*/
static void SetVerifyStyleTreeEnable(PRBool aEnabled);
/**
* The frame class and related classes share an nspr log module
* for logging frame activity.
*
* Note: the log module is created during library initialization which
* means that you cannot perform logging before then.
*/
static PRLogModuleInfo* GetLogModuleInfo();
// Show frame borders when rendering
static void ShowFrameBorders(PRBool aEnable);
static PRBool GetShowFrameBorders();
// Show frame border of event target
static void ShowEventTargetFrameBorder(PRBool aEnable);
static PRBool GetShowEventTargetFrameBorder();
private:
NS_IMETHOD_(nsrefcnt) AddRef(void) = 0;
NS_IMETHOD_(nsrefcnt) Release(void) = 0;
};
#endif /* nsIFrameDebug_h___ */
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