gecko-dev/editor/libeditor/text/nsEditorEventListeners.h

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/* -*- 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 1.1 (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 editorInterfaces_h__
#define editorInterfaces_h__
#include "nsCOMPtr.h"
#include "nsIDOMEvent.h"
#include "nsIDOMKeyListener.h"
#include "nsIDOMMouseListener.h"
#include "nsIDOMTextListener.h"
#include "nsIDOMDragListener.h"
#include "nsIDOMCompositionListener.h"
#include "nsIDOMFocusListener.h"
#include "nsIEditor.h"
#include "nsIPlaintextEditor.h"
/** The nsTextEditorKeyListener public nsIDOMKeyListener
* This class will delegate events to its editor according to the translation
* it is responsible for. i.e. 'c' becomes a keydown, but 'ESC' becomes nothing.
*/
class nsTextEditorKeyListener : public nsIDOMKeyListener {
public:
/** the default constructor
*/
nsTextEditorKeyListener();
/** the default destructor. virtual due to the possibility of derivation.
*/
virtual ~nsTextEditorKeyListener();
/** SetEditor gives an address to the editor that will be accessed
* @param aEditor the editor this listener calls for editing operations
*/
void SetEditor(nsIEditor *aEditor){mEditor = aEditor;}
/*interfaces for addref and release and queryinterface*/
NS_DECL_ISUPPORTS
/*BEGIN interfaces in to the keylister base interface. must be supplied to handle pure virtual interfaces
see the nsIDOMKeyListener interface implementation for details
*/
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
NS_IMETHOD KeyDown(nsIDOMEvent* aKeyEvent);
NS_IMETHOD KeyUp(nsIDOMEvent* aKeyEvent);
NS_IMETHOD KeyPress(nsIDOMEvent* aKeyEvent);
/*END interfaces from nsIDOMKeyListener*/
protected:
virtual nsresult ProcessShortCutKeys(nsIDOMEvent* aKeyEvent, PRBool& aProcessed);
protected:
nsIEditor* mEditor; // weak reference
};
/** editor Implementation of the TextListener interface
*/
class nsTextEditorTextListener : public nsIDOMTextListener
{
public:
/** default constructor
*/
nsTextEditorTextListener();
/** default destructor
*/
virtual ~nsTextEditorTextListener();
/** SetEditor gives an address to the editor that will be accessed
* @param aEditor the editor this listener calls for editing operations
*/
void SetEditor(nsIEditor *aEditor){mEditor = aEditor;}
/*interfaces for addref and release and queryinterface*/
NS_DECL_ISUPPORTS
/*BEGIN implementations of textevent handler interface*/
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
NS_IMETHOD HandleText(nsIDOMEvent* aTextEvent);
/*END implementations of textevent handler interface*/
protected:
nsIEditor* mEditor; // weak reference
PRBool mCommitText;
PRBool mInTransaction;
};
class nsIEditorIMESupport;
class nsTextEditorCompositionListener : public nsIDOMCompositionListener
{
public:
/** default constructor
*/
nsTextEditorCompositionListener();
/** default destructor
*/
virtual ~nsTextEditorCompositionListener();
/** SetEditor gives an address to the editor that will be accessed
* @param aEditor the editor this listener calls for editing operations
*/
void SetEditor(nsIEditor *aEditor);
/*interfaces for addref and release and queryinterface*/
NS_DECL_ISUPPORTS
/*BEGIN implementations of textevent handler interface*/
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
NS_IMETHOD HandleStartComposition(nsIDOMEvent* aCompositionEvent);
NS_IMETHOD HandleEndComposition(nsIDOMEvent* aCompositionEvent);
NS_IMETHOD HandleQueryComposition(nsIDOMEvent* aCompositionEvent);
NS_IMETHOD HandleQueryReconversion(nsIDOMEvent* aReconvertionEvent);
/*END implementations of textevent handler interface*/
protected:
nsIEditorIMESupport* mEditor; // weak reference
};
/** editor Implementation of the MouseListener interface
*/
class nsTextEditorMouseListener : public nsIDOMMouseListener
{
public:
/** default constructor
*/
nsTextEditorMouseListener();
/** default destructor
*/
virtual ~nsTextEditorMouseListener();
/** SetEditor gives an address to the editor that will be accessed
* @param aEditor the editor this listener calls for editing operations
*/
void SetEditor(nsIEditor *aEditor){mEditor = aEditor;}
/*interfaces for addref and release and queryinterface*/
NS_DECL_ISUPPORTS
/*BEGIN implementations of mouseevent handler interface*/
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
NS_IMETHOD MouseDown(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseUp(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseClick(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseDblClick(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseOver(nsIDOMEvent* aMouseEvent);
NS_IMETHOD MouseOut(nsIDOMEvent* aMouseEvent);
/*END implementations of mouseevent handler interface*/
protected:
nsIEditor* mEditor; // weak reference
};
/** editor Implementation of the DragListener interface
*/
class nsTextEditorDragListener : public nsIDOMDragListener
{
public:
/** default constructor
*/
nsTextEditorDragListener();
/** default destructor
*/
virtual ~nsTextEditorDragListener();
/** SetEditor gives an address to the editor that will be accessed
* @param aEditor the editor this listener calls for editing operations
*/
void SetEditor(nsIEditor *aEditor){mEditor = aEditor;}
/*interfaces for addref and release and queryinterface*/
NS_DECL_ISUPPORTS
/*BEGIN implementations of dragevent handler interface*/
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
NS_IMETHOD DragEnter(nsIDOMEvent* aDragEvent);
NS_IMETHOD DragOver(nsIDOMEvent* aDragEvent);
NS_IMETHOD DragExit(nsIDOMEvent* aDragEvent);
NS_IMETHOD DragDrop(nsIDOMEvent* aDragEvent);
NS_IMETHOD DragGesture(nsIDOMEvent* aDragEvent);
/*END implementations of dragevent handler interface*/
protected:
nsIEditor* mEditor;
};
/** editor Implementation of the FocusListener interface
*/
class nsTextEditorFocusListener : public nsIDOMFocusListener
{
public:
/** default constructor
*/
nsTextEditorFocusListener();
/** default destructor
*/
virtual ~nsTextEditorFocusListener();
/** SetEditor gives an address to the editor that will be accessed
* @param aEditor the editor this listener calls for editing operations
*/
void SetEditor(nsIEditor *aEditor){mEditor = aEditor;}
/*interfaces for addref and release and queryinterface*/
NS_DECL_ISUPPORTS
/*BEGIN implementations of focus event handler interface*/
NS_IMETHOD HandleEvent(nsIDOMEvent* aEvent);
NS_IMETHOD Focus(nsIDOMEvent* aEvent);
NS_IMETHOD Blur(nsIDOMEvent* aEvent);
/*END implementations of focus event handler interface*/
protected:
nsIEditor* mEditor; // weak reference
};
/** factory for the editor key listener
*/
extern nsresult NS_NewEditorKeyListener(nsIDOMEventListener ** aInstancePtrResult, nsIEditor *aEditor);
/** factory for the editor mouse listener
*/
extern nsresult NS_NewEditorMouseListener(nsIDOMEventListener ** aInstancePtrResult, nsIEditor *aEditor);
/** factory for the editor text listener
*/
extern nsresult NS_NewEditorTextListener(nsIDOMEventListener** aInstancePtrResult, nsIEditor *aEditor);
/** factory for the editor drag listener
*/
extern nsresult NS_NewEditorDragListener(nsIDOMEventListener ** aInstancePtrResult, nsIEditor *aEditor);
/** factory for the editor composition listener
*/
extern nsresult NS_NewEditorCompositionListener(nsIDOMEventListener** aInstancePtrResult, nsIEditor *aEditor);
/** factory for the editor composition listener
*/
extern nsresult NS_NewEditorFocusListener(nsIDOMEventListener** aInstancePtrResult, nsIEditor *aEditor);
#endif //editorInterfaces_h__