зеркало из https://github.com/mozilla/pjs.git
130 строки
4.5 KiB
C++
130 строки
4.5 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
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*
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* The contents of this file are subject to the Netscape Public
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* License Version 1.1 (the "License"); you may not use this file
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* except in compliance with the License. You may obtain a copy of
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* the License at http://www.mozilla.org/NPL/
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*
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* Software distributed under the License is distributed on an "AS
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* IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
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* implied. See the License for the specific language governing
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* rights and limitations under the 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 Netscape
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* Communications Corporation. Portions created by Netscape are
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* Copyright (C) 1998 Netscape Communications Corporation. All
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* Rights Reserved.
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*
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* Contributor(s):
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*/
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#ifndef nsIFrameDebug_h___
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#define nsIFrameDebug_h___
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#include "nslayout.h"
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#include "nsISupports.h"
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class nsIFrame;
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class nsIPresContext;
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// IID for the nsIFrameDebug interface {a6cf9069-15b3-11d2-932e-00805f8add32}
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#define NS_IFRAMEDEBUG_IID \
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{ 0xa6cf9069, 0x15b3, 0x11d2, \
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{0x93, 0x2e, 0x00, 0x80, 0x5f, 0x8a, 0xdd, 0x32}}
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/**
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* Debug related functions
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*/
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class nsIFrameDebug : public nsISupports {
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public:
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static const nsIID& GetIID() { static nsIID iid = NS_IFRAMEDEBUG_IID; return iid; }
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NS_IMETHOD List(nsIPresContext* aPresContext, FILE* out, PRInt32 aIndent) const = 0;
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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 GetFrameType() instead...
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*/
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NS_IMETHOD GetFrameName(nsString& aResult) 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 it's 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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* Argument aIncludeStyleData: if PR_TRUE, style information is dumpted, otherwise it is not
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*/
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NS_IMETHOD DumpRegressionData(nsIPresContext* aPresContext, FILE* out, PRInt32 aIndent, PRBool aIncludeStyleData) = 0;
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/**
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* Get the size of the frame object. The size value should include
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* all subordinate data referenced by the frame that is not
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* accounted for by child frames. However, this value should not
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* include the content objects, style contexts, views or other data
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* that lies logically outside the frame system.
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*
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* If the implementation so chooses, instead of returning the total
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* subordinate data it may instead use the sizeof handler to store
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* away subordinate data under its own key so that the subordinate
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* data may be tabulated independently of the frame itself.
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*
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* The caller is responsible for recursing over all child-lists that
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* the frame supports.
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*/
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NS_IMETHOD SizeOf(nsISizeOfHandler* aSizer, PRUint32* aResult) const = 0;
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NS_IMETHOD VerifyTree() const = 0;
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/**
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* See if tree verification is enabled. To enable tree verification add
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* "frameverifytree:1" to your NSPR_LOG_MODULES environment variable
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* (any non-zero debug level will work). Or, call SetVerifyTreeEnable
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* with PR_TRUE.
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*/
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static NS_LAYOUT PRBool GetVerifyTreeEnable();
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/**
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* Set the verify-tree enable flag.
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*/
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static NS_LAYOUT void SetVerifyTreeEnable(PRBool aEnabled);
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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 NS_LAYOUT 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 NS_LAYOUT 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 NS_LAYOUT PRLogModuleInfo* GetLogModuleInfo();
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// Show frame borders when rendering
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static NS_LAYOUT void ShowFrameBorders(PRBool aEnable);
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static NS_LAYOUT PRBool GetShowFrameBorders();
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// Show frame border of event target
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static NS_LAYOUT void ShowEventTargetFrameBorder(PRBool aEnable);
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static NS_LAYOUT PRBool GetShowEventTargetFrameBorder();
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private:
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NS_IMETHOD_(nsrefcnt) AddRef(void) = 0;
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NS_IMETHOD_(nsrefcnt) Release(void) = 0;
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};
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#endif /* nsIFrameDebug_h___ */
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