зеркало из https://github.com/mozilla/gecko-dev.git
73 строки
2.4 KiB
C++
73 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape Public License
|
|
* Version 1.0 (the "NPL"); you may not use this file except in
|
|
* compliance with the NPL. You may obtain a copy of the NPL at
|
|
* http://www.mozilla.org/NPL/
|
|
*
|
|
* Software distributed under the NPL is distributed on an "AS IS" basis,
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the NPL
|
|
* for the specific language governing rights and limitations under the
|
|
* NPL.
|
|
*
|
|
* The Initial Developer of this code under the NPL is Netscape
|
|
* Communications Corporation. Portions created by Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All Rights
|
|
* Reserved.
|
|
*/
|
|
|
|
#ifndef _MsgLPane_H_
|
|
#define _MsgLPane_H_
|
|
|
|
#include "msgpane.h"
|
|
|
|
typedef struct MSG_LinedPaneStack MSG_LinedPaneStack;
|
|
|
|
class MSG_LinedPane : public MSG_Pane {
|
|
public:
|
|
MSG_LinedPane(MWContext* context, MSG_Master* master);
|
|
virtual ~MSG_LinedPane();
|
|
|
|
virtual XP_Bool IsLinePane();
|
|
virtual void ToggleExpansion(MSG_ViewIndex line, int32* numchanged) = 0;
|
|
virtual int32 ExpansionDelta(MSG_ViewIndex line) = 0;
|
|
virtual int32 GetNumLines() = 0;
|
|
virtual void StartingUpdate(MSG_NOTIFY_CODE code, MSG_ViewIndex where,
|
|
int32 num);
|
|
virtual void EndingUpdate(MSG_NOTIFY_CODE code, MSG_ViewIndex where,
|
|
int32 num);
|
|
virtual void OnFolderChanged(MSG_FolderInfo *);
|
|
virtual XP_Bool IsValidIndex(MSG_ViewIndex index);
|
|
protected:
|
|
virtual void FEStart() { // Starting a call from the FE.
|
|
m_fecount++;
|
|
}
|
|
|
|
virtual void FEEnd() { // Finished a call from the FE.
|
|
m_fecount--;
|
|
XP_ASSERT(m_fecount >= 0);
|
|
}
|
|
|
|
virtual void DisableUpdate(); // Don't actually do anything when calling
|
|
// StartingUpdate() and EndingUpdate().
|
|
virtual void EnableUpdate(); // OK; StartingUpdate() and EndingUpdate()
|
|
// can do things again.
|
|
|
|
MSG_LinedPaneStack* m_stack;// Used only when DEBUG is on; helps check
|
|
// that calls to StartingUpdate and
|
|
// EndingUpdate match up correctly.
|
|
|
|
// m_numstack is now in the base class because we use it to know if we're nested
|
|
int m_maxstack;
|
|
|
|
|
|
int m_fecount; // How many calls we've had to FEStart()
|
|
// without a matching call to FEEnd().
|
|
|
|
int m_disablecount; // How many calls we've had to DisableUpdate()
|
|
// without a matching call to EnableUpdate().
|
|
|
|
};
|
|
|
|
#endif /* _MsgLPane_H_ */
|