mirror of
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133 lines
4.0 KiB
Plaintext
133 lines
4.0 KiB
Plaintext
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "nsISupports.idl"
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#include "domstubs.idl"
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[scriptable, uuid(91375f52-20e6-4757-9835-eb04fabe5498)]
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interface nsIHTMLAbsPosEditor : nsISupports
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{
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/**
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* true if the selection container is absolutely positioned
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*/
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readonly attribute boolean selectionContainerAbsolutelyPositioned;
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/**
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* this contains the absolutely positioned element currently edited
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* or null
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*/
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readonly attribute nsIDOMElement positionedElement;
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/**
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* true if Absolute Positioning handling is enabled in the editor
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*/
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attribute boolean absolutePositioningEnabled;
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/* Utility methods */
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/**
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* true if Snap To Grid is enabled in the editor.
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*/
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attribute boolean snapToGridEnabled;
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/**
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* sets the grid size in pixels.
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* @param aSizeInPixels [IN] the size of the grid in pixels
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*/
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attribute unsigned long gridSize;
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/* Selection-based methods */
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/**
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* returns the deepest absolutely positioned container of the selection
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* if it exists or null.
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*/
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readonly attribute nsIDOMElement absolutelyPositionedSelectionContainer;
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/**
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* extracts the selection from the normal flow of the document and
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* positions it.
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* @param aEnabled [IN] true to absolutely position the selection,
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* false to put it back in the normal flow
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*/
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void absolutePositionSelection(in boolean aEnabled);
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/**
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* adds aChange to the z-index of the currently positioned element.
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* @param aChange [IN] relative change to apply to current z-index
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*/
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void relativeChangeZIndex(in long aChange);
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/* Element-based methods */
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/**
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* extracts an element from the normal flow of the document and
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* positions it, and puts it back in the normal flow.
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* @param aElement [IN] the element
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* @param aEnabled [IN] true to absolutely position the element,
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* false to put it back in the normal flow
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*/
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void absolutelyPositionElement(in nsIDOMElement aElement,
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in boolean aEnabled);
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/**
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* sets the position of an element; warning it does NOT check if the
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* element is already positioned or not and that's on purpose.
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* @param aElement [IN] the element
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* @param aX [IN] the x position in pixels.
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* @param aY [IN] the y position in pixels.
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*/
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void setElementPosition(in nsIDOMElement aElement, in long aX, in long aY);
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/**
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* returns the absolute z-index of a positioned element. Never returns 'auto'.
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* @return the z-index of the element
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* @param aElement [IN] the element.
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*/
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long getElementZIndex(in nsIDOMElement aElement);
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/**
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* sets the z-index of an element.
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* @param aElement [IN] the element
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* @param aZorder [IN] the z-index
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*/
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void setElementZIndex(in nsIDOMElement aElement, in long aZorder);
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/**
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* adds aChange to the z-index of an arbitrary element.
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* @return the new z-index of the element
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* @param aElement [IN] the element
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* @param aChange [IN] relative change to apply to current z-index of
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* the element
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*/
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long relativeChangeElementZIndex(in nsIDOMElement aElement, in long aChange);
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/* Other */
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/**
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* shows a grabber attached to an arbitrary element. The grabber is an image
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* positioned on the left hand side of the top border of the element. Dragging
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* and dropping it allows to change the element's absolute position in the
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* document. See chrome://editor/content/images/grabber.gif
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* @param aElement [IN] the element
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*/
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void showGrabberOnElement(in nsIDOMElement aElement);
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/**
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* hide the grabber if it shown.
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*/
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void hideGrabber();
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/**
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* refreshes the grabber if it shown, possibly updating its position or
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* even hiding it.
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*/
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void refreshGrabber();
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};
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