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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
#include "nsISupports.idl"
#include "domstubs.idl"
interface nsIHTMLObjectResizeListener;
[scriptable, uuid(8b396020-69d3-451f-80c1-1a96a7da25a9)]
interface nsIHTMLObjectResizer : nsISupports
{
%{C++
typedef short EResizerLocation;
%}
const short eTopLeft = 0;
const short eTop = 1;
const short eTopRight = 2;
const short eLeft = 3;
const short eRight = 4;
const short eBottomLeft = 5;
const short eBottom = 6;
const short eBottomRight = 7;
/**
* the element currently displaying resizers
*/
readonly attribute nsIDOMElement resizedObject;
/**
* a boolean indicating if object resizing is enabled in the editor
*/
attribute boolean objectResizingEnabled;
/**
* Shows active resizers around an element's frame
* @param aResizedElement [IN] a DOM Element
*/
void showResizers(in nsIDOMElement aResizedElement);
/**
* Hide resizers if they are visible
*/
void hideResizers();
/**
* Refresh visible resizers
*/
void refreshResizers();
/**
* event callback when a mouse button is pressed
* @param aX [IN] horizontal position of the pointer
* @param aY [IN] vertical position of the pointer
* @param aTarget [IN] the element triggering the event
* @param aMouseEvent [IN] the event
*/
void mouseDown(in long aX, in long aY,
in nsIDOMElement aTarget, in nsIDOMEvent aMouseEvent);
/**
* event callback when a mouse button is released
* @param aX [IN] horizontal position of the pointer
* @param aY [IN] vertical position of the pointer
* @param aTarget [IN] the element triggering the event
*/
void mouseUp(in long aX, in long aY,
in nsIDOMElement aTarget);
/**
* event callback when the mouse pointer is moved
* @param aMouseEvent [IN] the event
*/
void mouseMove(in nsIDOMEvent aMouseEvent);
/* Event Listeners */
/**
* Creates a resize listener that can be used to get notifications
* that the user started to resize an object or finalized such an operation
* @param aListener [IN] an instance of nsIHTMLObjectResizeListener
*/
void addObjectResizeEventListener(in nsIHTMLObjectResizeListener aListener);
/**
* Deletes a resize listener
* @param aListener [IN] an instance of nsIHTMLObjectResizeListener
*/
void removeObjectResizeEventListener(in nsIHTMLObjectResizeListener aListener);
};
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