зеркало из https://github.com/mozilla/gecko-dev.git
117 строки
4.4 KiB
C++
117 строки
4.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*-
|
|
*
|
|
* The contents of this file are subject to the Netscape 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/NPL/
|
|
*
|
|
* 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 Netscape are
|
|
* Copyright (C) 1998 Netscape Communications Corporation. All
|
|
* Rights Reserved.
|
|
*
|
|
* Contributor(s):
|
|
*/
|
|
|
|
|
|
#ifndef nsInterfaceState_h__
|
|
#define nsInterfaceState_h__
|
|
|
|
|
|
#include "nsISelectionListener.h"
|
|
#include "nsIDocumentStateListener.h"
|
|
#include "nsITransactionListener.h"
|
|
#include "nsIWebShell.h"
|
|
#include "nsITimer.h"
|
|
#include "nsITimerCallback.h"
|
|
|
|
class nsIHTMLEditor;
|
|
class nsIDOMDocument;
|
|
|
|
// class responsible for communicating changes in local state back to the UI.
|
|
// This is currently somewhat tied to a given XUL UI implementation
|
|
|
|
class nsInterfaceState : public nsISelectionListener,
|
|
public nsIDocumentStateListener,
|
|
public nsITransactionListener,
|
|
public nsITimerCallback
|
|
{
|
|
public:
|
|
|
|
nsInterfaceState();
|
|
virtual ~nsInterfaceState();
|
|
|
|
NS_DECL_ISUPPORTS
|
|
|
|
NS_IMETHOD Init(nsIHTMLEditor* aEditor, nsIDOMDocument *aChromeDoc);
|
|
|
|
// nsISelectionListener interface
|
|
NS_IMETHOD NotifySelectionChanged(nsIDOMDocument *aDoc, nsISelection *aSel, short aReason);
|
|
|
|
NS_DECL_NSIDOCUMENTSTATELISTENER
|
|
|
|
// nsITimerCallback interfaces
|
|
NS_IMETHOD_(void) Notify(nsITimer *timer);
|
|
|
|
/** nsITransactionListener interfaces
|
|
*/
|
|
|
|
NS_IMETHOD WillDo(nsITransactionManager *aManager, nsITransaction *aTransaction, PRBool *aInterrupt);
|
|
NS_IMETHOD DidDo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aDoResult);
|
|
NS_IMETHOD WillUndo(nsITransactionManager *aManager, nsITransaction *aTransaction, PRBool *aInterrupt);
|
|
NS_IMETHOD DidUndo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aUndoResult);
|
|
NS_IMETHOD WillRedo(nsITransactionManager *aManager, nsITransaction *aTransaction, PRBool *aInterrupt);
|
|
NS_IMETHOD DidRedo(nsITransactionManager *aManager, nsITransaction *aTransaction, nsresult aRedoResult);
|
|
NS_IMETHOD WillBeginBatch(nsITransactionManager *aManager, PRBool *aInterrupt);
|
|
NS_IMETHOD DidBeginBatch(nsITransactionManager *aManager, nsresult aResult);
|
|
NS_IMETHOD WillEndBatch(nsITransactionManager *aManager, PRBool *aInterrupt);
|
|
NS_IMETHOD DidEndBatch(nsITransactionManager *aManager, nsresult aResult);
|
|
NS_IMETHOD WillMerge(nsITransactionManager *aManager, nsITransaction *aTopTransaction,
|
|
nsITransaction *aTransactionToMerge, PRBool *aInterrupt);
|
|
NS_IMETHOD DidMerge(nsITransactionManager *aManager, nsITransaction *aTopTransaction,
|
|
nsITransaction *aTransactionToMerge,
|
|
PRBool aDidMerge, nsresult aMergeResult);
|
|
|
|
protected:
|
|
|
|
enum {
|
|
eStateUninitialized = -1,
|
|
eStateOff = PR_FALSE,
|
|
eStateOn = PR_TRUE
|
|
};
|
|
|
|
PRBool SelectionIsCollapsed();
|
|
nsresult UpdateDirtyState(PRBool aNowDirty);
|
|
nsresult CallUpdateCommands(const nsAString& aCommand);
|
|
nsresult UpdateUndoCommands(nsITransactionManager *aManager);
|
|
nsresult PrimeUpdateTimer();
|
|
void TimerCallback();
|
|
|
|
// this class should not hold references to the editor or editorShell. Doing
|
|
// so would result in cirular reference chains.
|
|
|
|
nsIHTMLEditor* mEditor; // the HTML editor
|
|
nsIDOMDocument* mChromeDoc; // XUL document for the chrome area
|
|
|
|
nsIDOMWindowInternal* mDOMWindow; // nsIDOMWindowInternal used for calling UpdateCommands
|
|
|
|
nsCOMPtr<nsITimer> mUpdateTimer;
|
|
|
|
PRInt8 mDirtyState;
|
|
PRInt8 mSelectionCollapsed;
|
|
PRPackedBool mFirstDoOfFirstUndo;
|
|
PRInt32 mBatchDepth;
|
|
|
|
};
|
|
|
|
extern "C" nsresult NS_NewInterfaceState(nsIHTMLEditor* aEditor, nsIDOMDocument* aChromeDoc, nsISelectionListener** aInstancePtrResult);
|
|
|
|
#endif // nsInterfaceState_h__
|