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1fa8ecc716
The only C++ caller immediately QIs the result anyway, and the exact type returned doesn't matter for JS callers because the return values are DOM objects. This makes it simpler to rejigger the internals to work with nsINode and Element and whatnot. MozReview-Commit-ID: 863IDGECqYY
483 lines
17 KiB
Plaintext
483 lines
17 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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interface nsIContent;
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interface nsIArray;
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interface nsISelection;
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%{C++
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namespace mozilla {
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namespace dom {
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class Element;
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}
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}
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%}
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[ptr] native Element (mozilla::dom::Element);
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[scriptable, builtinclass, uuid(87ee993e-985f-4a43-a974-0d9512da2fb0)]
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interface nsIHTMLEditor : nsISupports
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{
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%{C++
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typedef short EAlignment;
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%}
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// used by GetAlignment()
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const short eLeft = 0;
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const short eCenter = 1;
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const short eRight = 2;
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const short eJustify = 3;
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/* ------------ Inline property methods -------------- */
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/**
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* SetInlineProperty() sets the aggregate properties on the current selection
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*
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* @param aProperty the property to set on the selection
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* @param aAttribute the attribute of the property, if applicable.
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* May be null.
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* Example: aProperty="font", aAttribute="color"
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* @param aValue if aAttribute is not null, the value of the attribute.
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* May be null.
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* Example: aProperty="font", aAttribute="color",
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* aValue="0x00FFFF"
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*/
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void setInlineProperty(in AString aProperty,
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in AString aAttribute,
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in AString aValue);
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/**
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* getInlineProperty() gets aggregate properties of the current selection.
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* All object in the current selection are scanned and their attributes are
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* represented in a list of Property object.
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*
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* @param aProperty the property to get on the selection
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* @param aAttribute the attribute of the property, if applicable.
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* May be null.
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* Example: aProperty="font", aAttribute="color"
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* @param aValue if aAttribute is not null, the value of the attribute.
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* May be null.
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* Example: aProperty="font", aAttribute="color",
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* aValue="0x00FFFF"
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* @param aFirst [OUT] PR_TRUE if the first text node in the
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* selection has the property
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* @param aAny [OUT] PR_TRUE if any of the text nodes in the
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* selection have the property
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* @param aAll [OUT] PR_TRUE if all of the text nodes in the
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* selection have the property
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*/
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void getInlineProperty(in AString aProperty,
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in AString aAttribute,
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in AString aValue,
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out boolean aFirst,
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out boolean aAny,
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out boolean aAll);
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AString getInlinePropertyWithAttrValue(in AString aProperty,
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in AString aAttribute,
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in AString aValue,
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out boolean aFirst,
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out boolean aAny,
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out boolean aAll);
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/**
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* removeAllInlineProperties() deletes all the inline properties from all
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* text in the current selection.
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*/
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void removeAllInlineProperties();
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/**
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* removeInlineProperty() deletes the properties from all text in the current
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* selection. If aProperty is not set on the selection, nothing is done.
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*
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* @param aProperty the property to remove from the selection
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* All atoms are for normal HTML tags (e.g.:
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* nsIEditorProperty::font) except when you want to
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* remove just links and not named anchors.
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* For that, use nsIEditorProperty::href
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* @param aAttribute the attribute of the property, if applicable.
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* May be null.
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* Example: aProperty=nsIEditorProptery::font,
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* aAttribute="color"
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* nsIEditProperty::allAttributes is special.
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* It indicates that all content-based text properties
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* are to be removed from the selection.
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*/
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void removeInlineProperty(in AString aProperty, in AString aAttribute);
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/**
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* Increase font size for text in selection by 1 HTML unit
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* All existing text is scanned for existing <FONT SIZE> attributes
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* so they will be incremented instead of inserting new <FONT> tag
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*/
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void increaseFontSize();
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/**
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* Decrease font size for text in selection by 1 HTML unit
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* All existing text is scanned for existing <FONT SIZE> attributes
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* so they will be decreased instead of inserting new <FONT> tag
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*/
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void decreaseFontSize();
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/* ------------ HTML content methods -------------- */
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/**
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* Tests if a node is a BLOCK element according the the HTML 4.0 DTD.
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* This does NOT consider CSS effect on display type
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*
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* @param aNode the node to test
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*/
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boolean nodeIsBlock(in nsIDOMNode node);
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/**
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* Insert some HTML source at the current location
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*
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* @param aInputString the string to be inserted
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*/
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void insertHTML(in AString aInputString);
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/**
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* Paste the text in the OS clipboard at the cursor position, replacing
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* the selected text (if any), but strip out any HTML styles and formatting
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*/
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void pasteNoFormatting(in long aSelectionType);
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/**
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* Rebuild the entire document from source HTML
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* Needed to be able to edit HEAD and other outside-of-BODY content
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*
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* @param aSourceString HTML source string of the entire new document
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*/
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void rebuildDocumentFromSource(in AString aSourceString);
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/**
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* Insert some HTML source, interpreting
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* the string argument according to the given context.
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*
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* @param aInputString the string to be inserted
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* @param aContextStr Context of insertion
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* @param aInfoStr Related info to aInputString
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* @param aFlavor Transferable flavor, can be ""
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* @param aSourceDoc document where input was dragged from (may be null)
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* @param aDestinationNode location for insertion (such as when dropped)
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* @param aDestinationOffset used with aDestNode to determine insert location
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* @param aDeleteSelection used with aDestNode during drag&drop
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* @param aCollapseSelection used with aDestNode during drag&drop
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*/
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void insertHTMLWithContext(in AString aInputString,
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in AString aContextStr,
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in AString aInfoStr,
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in AString aFlavor,
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in nsIDOMDocument aSourceDoc,
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in nsIDOMNode aDestinationNode,
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in long aDestinationOffset,
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in boolean aDeleteSelection);
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/**
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* Insert an element, which may have child nodes, at the selection
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* Used primarily to insert a new element for various insert element dialogs,
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* but it enforces the HTML 4.0 DTD "CanContain" rules, so it should
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* be useful for other elements.
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*
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* @param aElement The element to insert
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* @param aDeleteSelection Delete the selection before inserting
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* If aDeleteSelection is PR_FALSE, then the element is inserted
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* after the end of the selection for all element except
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* Named Anchors, which insert before the selection
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*/
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void insertElementAtSelection(in nsIDOMElement aElement,
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in boolean aDeleteSelection);
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/**
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* Set the BaseURL for the document to the current URL
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* but only if the page doesn't have a <base> tag
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* This should be done after the document URL has changed,
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* such as after saving a file
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* This is used as base for relativizing link and image urls
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*/
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void updateBaseURL();
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/* ------------ Selection manipulation -------------- */
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/* Should these be moved to nsISelection? */
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/**
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* Set the selection at the suppled element
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*
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* @param aElement An element in the document
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*/
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void selectElement(in nsIDOMElement aElement);
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/**
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* Create a collapsed selection just after aElement
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*
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* XXX could we parameterize SelectElement(before/select/after>?
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*
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* The selection is set to parent-of-aElement with an
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* offset 1 greater than aElement's offset
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* but it enforces the HTML 4.0 DTD "CanContain" rules, so it should
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* be useful for other elements.
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*
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* @param aElement An element in the document
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*/
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void setCaretAfterElement(in nsIDOMElement aElement);
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/**
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* SetParagraphFormat Insert a block paragraph tag around selection
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* @param aParagraphFormat "p", "h1" to "h6", "address", "pre", or "blockquote"
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*/
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void setParagraphFormat(in AString aParagraphFormat);
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/**
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* getParagraphState returns what block tag paragraph format is in
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* the selection.
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* @param aMixed True if there is more than one format
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* @return Name of block tag. "" is returned for none.
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*/
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AString getParagraphState(out boolean aMixed);
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/**
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* getFontFaceState returns what font face is in the selection.
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* @param aMixed True if there is more than one font face
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* @return Name of face. Note: "tt" is returned for
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* tt tag. "" is returned for none.
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*/
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AString getFontFaceState(out boolean aMixed);
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/**
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* getFontColorState returns what font face is in the selection.
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* @param aMixed True if there is more than one font color
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* @return Color string. "" is returned for none.
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*/
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AString getFontColorState(out boolean aMixed);
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/**
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* getFontColorState returns what font face is in the selection.
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* @param aMixed True if there is more than one font color
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* @return Color string. "" is returned for none.
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*/
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AString getBackgroundColorState(out boolean aMixed);
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/**
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* getHighlightColorState returns what the highlight color of the selection.
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* @param aMixed True if there is more than one font color
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* @return Color string. "" is returned for none.
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*/
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AString getHighlightColorState(out boolean aMixed);
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/**
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* getListState returns what list type is in the selection.
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* @param aMixed True if there is more than one type of list, or
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* if there is some list and non-list
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* @param aOL The company that employs me. No, really, it's
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* true if an "ol" list is selected.
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* @param aUL true if an "ul" list is selected.
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* @param aDL true if a "dl" list is selected.
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*/
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void getListState(out boolean aMixed, out boolean aOL, out boolean aUL,
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out boolean aDL);
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/**
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* getListItemState returns what list item type is in the selection.
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* @param aMixed True if there is more than one type of list item, or
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* if there is some list and non-list
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* @param aLI true if "li" list items are selected.
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* @param aDT true if "dt" list items are selected.
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* @param aDD true if "dd" list items are selected.
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*/
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void getListItemState(out boolean aMixed, out boolean aLI,
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out boolean aDT, out boolean aDD);
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/**
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* getAlignment returns what alignment is in the selection.
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* @param aMixed True if there is more than one type of list item, or
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* if there is some list and non-list
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* @param aAlign enum value for first encountered alignment
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* (left/center/right)
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*/
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void getAlignment(out boolean aMixed, out short aAlign);
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/**
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* Document me!
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*
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*/
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void getIndentState(out boolean aCanIndent, out boolean aCanOutdent);
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/**
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* Document me!
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*
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*/
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void makeOrChangeList(in AString aListType, in boolean entireList,
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in AString aBulletType);
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/**
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* Document me!
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*
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*/
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void removeList(in AString aListType);
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/**
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* Document me!
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*
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*/
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void indent(in AString aIndent);
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/**
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* Document me!
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*
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*/
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void align(in AString aAlign);
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/**
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* Return the input node or a parent matching the given aTagName,
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* starting the search at the supplied node.
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* An example of use is for testing if a node is in a table cell
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* given a selection anchor node.
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*
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* @param aTagName The HTML tagname
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* Special input values:
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* Use "href" to get a link node
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* (an "A" tag with the "href" attribute set)
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* Use "anchor" or "namedanchor" to get a named anchor node
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* (an "A" tag with the "name" attribute set)
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* Use "list" to get an OL, UL, or DL list node
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* Use "td" to get either a TD or TH cell node
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*
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* @param aNode The node in the document to start the search.
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* If it is null, the anchor node of the current selection is used.
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* @return NS_EDITOR_ELEMENT_NOT_FOUND if an element is not found
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* (passes NS_SUCCEEDED macro)
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*/
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nsIDOMElement getElementOrParentByTagName(in AString aTagName,
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in nsIDOMNode aNode);
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/**
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* Return an Element only if it is the only node selected,
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* such as an image, horizontal rule, etc. The return type is
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* nsISupports for implementation convenience; the returned object,
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* if not null, is always a DOM Element.
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*
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* The exception is a link, which is more like a text attribute:
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* The Anchor tag is returned if the selection is within the textnode(s)
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* that are children of the "A" node.
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* This could be a collapsed selection, i.e., a caret
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* within the link text.
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*
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* @param aTagName The HTML tagname or and empty string
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* to get any element (but only if it is the only element selected)
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* Special input values for Links and Named anchors:
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* Use "href" to get a link node
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* (an "A" tag with the "href" attribute set)
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* Use "anchor" or "namedanchor" to get a named anchor node
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* (an "A" tag with the "name" attribute set)
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* @return the element as described above
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*/
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nsISupports getSelectedElement(in AString aTagName);
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/**
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* Replace all children of <HEAD> with string of HTML source
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*/
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void replaceHeadContentsWithHTML(in AString aSourceToInsert);
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/**
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* Return a new element with default attribute values
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*
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* This does not rely on the selection, and is not sensitive to context.
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*
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* Used primarily to supply new element for various insert element dialogs
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* (Image, Link, NamedAnchor, Table, and HorizontalRule
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* are the only returned elements as of 7/25/99)
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*
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* @param aTagName The HTML tagname
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* Special input values for Links and Named anchors:
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* Use "href" to get a link node
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* (an "A" tag with the "href" attribute set)
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* Use "anchor" or "namedanchor" to get a named anchor node
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* (an "A" tag with the "name" attribute set)
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* @return The new element created.
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*/
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nsIDOMElement createElementWithDefaults(in AString aTagName);
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/**
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* Insert an link element as the parent of the current selection
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*
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* @param aElement An "A" element with a non-empty "href" attribute
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*/
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void insertLinkAroundSelection(in nsIDOMElement aAnchorElement);
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/**
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* Set the value of the "bgcolor" attribute on the document's <body> element
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*
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* @param aColor The HTML color string, such as "#ffccff" or "yellow"
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*/
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void setBackgroundColor(in AString aColor);
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/**
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* Set an attribute on the document's <body> element
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* such as text, link, background colors
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*
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* 8/31/00 THIS ISN'T BEING USED? SHOULD WE DROP IT?
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*
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* @param aAttr The attribute to be set
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* @param aValue The value of the attribute
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*/
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void setBodyAttribute(in AString aAttr, in AString aValue);
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/**
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* Find all the nodes in the document which contain references
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* to outside URIs (e.g. a href, img src, script src, etc.)
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* The objects in the array will be type nsIURIRefObject.
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*
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* @return aNodeList the linked nodes found
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*/
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nsIArray getLinkedObjects();
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/**
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* A boolean which is true is the HTMLEditor has been instantiated
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* with CSS knowledge and if the CSS pref is currently checked
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*
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* @return true if CSS handled and enabled
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*/
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attribute boolean isCSSEnabled;
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/**
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* returns the deepest container of the selection
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* @return a DOM Element
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*/
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nsIDOMElement getSelectionContainer();
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/**
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* Checks if the anonymous nodes created by the HTML editor have to be
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* refreshed or hidden depending on a possible new state of the selection
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* @param aSelection [IN] a selection
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*/
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void checkSelectionStateForAnonymousButtons(in nsISelection aSelection);
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boolean isAnonymousElement(in nsIDOMElement aElement);
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/**
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* A boolean indicating if a return key pressed in a paragraph creates
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* another paragraph or just inserts a <br> at the caret
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*
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* @return true if CR in a paragraph creates a new paragraph
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*/
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attribute boolean returnInParagraphCreatesNewParagraph;
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/**
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* Get an active editor's editing host in DOM window. If this editor isn't
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* active in the DOM window, this returns NULL.
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*/
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[noscript, notxpcom] Element GetActiveEditingHost();
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};
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