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- /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
- /* ***** BEGIN LICENSE BLOCK *****
- * Version: MPL 1.1/GPL 2.0/LGPL 2.1
- *
- * The contents of this file are subject to the Mozilla 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/MPL/
- *
- * 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.
- *
- * The Initial Developer of the Original Code is
- * Netscape Communications Corp.
- * Portions created by the Initial Developer are Copyright (C) 2003
- * the Initial Developer. All Rights Reserved.
- *
- * Contributor(s):
- * Daniel Glazman (glazman@netscape.com) (Original author)
- *
- * Alternatively, the contents of this file may be used under the terms of
- * either the GNU General Public License Version 2 or later (the "GPL"), or
- * the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
- * in which case the provisions of the GPL or the LGPL are applicable instead
- * of those above. If you wish to allow use of your version of this file only
- * under the terms of either the GPL or the LGPL, and not to allow others to
- * use your version of this file under the terms of the MPL, indicate your
- * decision by deleting the provisions above and replace them with the notice
- * and other provisions required by the GPL or the LGPL. If you do not delete
- * the provisions above, a recipient may use your version of this file under
- * the terms of any one of the MPL, the GPL or the LGPL.
- *
- * ***** END LICENSE BLOCK ***** */
-
- #include "nsISupports.idl"
- #include "domstubs.idl"
-
- [scriptable, uuid(91375f52-20e6-4757-9835-eb04fabe5498)]
-
- interface nsIHTMLAbsPosEditor : nsISupports
- {
- /**
- * true if the selection container is absolutely positioned
- */
- readonly attribute boolean selectionContainerAbsolutelyPositioned;
-
- /**
- * this contains the absolutely positioned element currently edited
- * or null
- */
- readonly attribute nsIDOMElement positionedElement;
-
- /**
- * true if Absolute Positioning handling is enabled in the editor
- */
- attribute boolean absolutePositioningEnabled;
-
-
- /* Utility methods */
-
- /**
- * true if Snap To Grid is enabled in the editor.
- */
- attribute boolean snapToGridEnabled;
-
- /**
- * sets the grid size in pixels.
- * @param aSizeInPixels [IN] the size of the grid in pixels
- */
- attribute unsigned long gridSize;
-
- /* Selection-based methods */
-
- /**
- * returns the deepest absolutely positioned container of the selection
- * if it exists or null.
- */
- readonly attribute nsIDOMElement absolutelyPositionedSelectionContainer;
-
- /**
- * extracts the selection from the normal flow of the document and
- * positions it.
- * @param aEnabled [IN] true to absolutely position the selection,
- * false to put it back in the normal flow
- */
- void absolutePositionSelection(in boolean aEnabled);
-
- /**
- * adds aChange to the z-index of the currently positioned element.
- * @param aChange [IN] relative change to apply to current z-index
- */
- void relativeChangeZIndex(in long aChange);
-
- /* Element-based methods */
-
- /**
- * extracts an element from the normal flow of the document and
- * positions it, and puts it back in the normal flow.
- * @param aElement [IN] the element
- * @param aEnabled [IN] true to absolutely position the element,
- * false to put it back in the normal flow
- */
- void absolutelyPositionElement(in nsIDOMElement aElement,
- in boolean aEnabled);
-
- /**
- * sets the position of an element; warning it does NOT check if the
- * element is already positioned or not and that's on purpose.
- * @param aElement [IN] the element
- * @param aX [IN] the x position in pixels.
- * @param aY [IN] the y position in pixels.
- */
- void setElementPosition(in nsIDOMElement aElement, in long aX, in long aY);
-
- /**
- * returns the absolute z-index of a positioned element. Never returns 'auto'.
- * @return the z-index of the element
- * @param aElement [IN] the element.
- */
- long getElementZIndex(in nsIDOMElement aElement);
-
- /**
- * sets the z-index of an element.
- * @param aElement [IN] the element
- * @param aZorder [IN] the z-index
- */
- void setElementZIndex(in nsIDOMElement aElement, in long aZorder);
-
- /**
- * adds aChange to the z-index of an arbitrary element.
- * @return the new z-index of the element
- * @param aElement [IN] the element
- * @param aChange [IN] relative change to apply to current z-index of
- * the element
- */
- long relativeChangeElementZIndex(in nsIDOMElement aElement, in long aChange);
-
- /* Other */
-
- /**
- * shows a grabber attached to an arbitrary element. The grabber is an image
- * positioned on the left hand side of the top border of the element. Dragging
- * and dropping it allows to change the element's absolute position in the
- * document. See chrome://editor/content/images/grabber.gif
- * @param aElement [IN] the element
- */
- void showGrabberOnElement(in nsIDOMElement aElement);
-
- /**
- * hide the grabber if it shown.
- */
- void hideGrabber();
-
- /**
- * refreshes the grabber if it shown, possibly updating its position or
- * even hiding it.
- */
- void refreshGrabber();
-
- };
-
-