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gecko/editor/idl/nsIHTMLEditor.idl

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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 code.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1998
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Daniel Glazman <glazman@netscape.com>
* Akkana Peck <akkana@netscape.com>
* Kathleen Brade <brade@netscape.com>
*
* Alternatively, the contents of this file may be used under the terms of
* either of 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"
interface nsIAtom;
interface nsISupportsArray;
interface nsISelection;
interface nsIContentFilter;
%{C++
#define NS_EDITOR_ELEMENT_NOT_FOUND \
NS_ERROR_GENERATE_SUCCESS(NS_ERROR_MODULE_EDITOR, 1)
%}
[scriptable, uuid(afc36593-5787-4420-93d9-b2c0ccbf0cad)]
interface nsIHTMLEditor : nsISupports
{
%{C++
typedef short EAlignment;
%}
// used by GetAlignment()
const short eLeft = 0;
const short eCenter = 1;
const short eRight = 2;
const short eJustify = 3;
/* ------------ Inline property methods -------------- */
/**
* AddDefaultProperty() registers a default style property with the editor
*
* @param aProperty the property to set by default
* @param aAttribute the attribute of the property, if applicable.
* May be null.
* Example: aProperty="font", aAttribute="color"
* @param aValue if aAttribute is not null, the value of the attribute.
* Example: aProperty="font", aAttribute="color",
* aValue="0x00FFFF"
*/
void addDefaultProperty(in nsIAtom aProperty,
in AString aAttribute,
in AString aValue);
/**
* RemoveDefaultProperty() unregisters a default style property with the editor
*
* @param aProperty the property to remove from defaults
* @param aAttribute the attribute of the property, if applicable.
* May be null.
* Example: aProperty="font", aAttribute="color"
* @param aValue if aAttribute is not null, the value of the attribute.
* Example: aProperty="font", aAttribute="color",
* aValue="0x00FFFF"
*/
void removeDefaultProperty(in nsIAtom aProperty,
in AString aAttribute,
in AString aValue);
/**
* RemoveAllDefaultProperties() unregisters all default style properties with the editor
*
*/
void removeAllDefaultProperties();
/**
* SetInlineProperty() sets the aggregate properties on the current selection
*
* @param aProperty the property to set on the selection
* @param aAttribute the attribute of the property, if applicable.
* May be null.
* Example: aProperty="font", aAttribute="color"
* @param aValue if aAttribute is not null, the value of the attribute.
* May be null.
* Example: aProperty="font", aAttribute="color",
* aValue="0x00FFFF"
*/
void setCSSInlineProperty(in nsIAtom aProperty,
in AString aAttribute,
in AString aValue);
void setInlineProperty(in nsIAtom aProperty,
in AString aAttribute,
in AString aValue);
/**
* getInlineProperty() gets aggregate properties of the current selection.
* All object in the current selection are scanned and their attributes are
* represented in a list of Property object.
*
* @param aProperty the property to get on the selection
* @param aAttribute the attribute of the property, if applicable.
* May be null.
* Example: aProperty="font", aAttribute="color"
* @param aValue if aAttribute is not null, the value of the attribute.
* May be null.
* Example: aProperty="font", aAttribute="color",
* aValue="0x00FFFF"
* @param aFirst [OUT] PR_TRUE if the first text node in the
* selection has the property
* @param aAny [OUT] PR_TRUE if any of the text nodes in the
* selection have the property
* @param aAll [OUT] PR_TRUE if all of the text nodes in the
* selection have the property
*/
void getInlineProperty(in nsIAtom aProperty,
in AString aAttribute,
in AString aValue,
out boolean aFirst,
out boolean aAny,
out boolean aAll);
AString getInlinePropertyWithAttrValue(in nsIAtom aProperty,
in AString aAttribute,
in AString aValue,
out boolean aFirst,
out boolean aAny,
out boolean aAll);
/**
* removeAllInlineProperties() deletes all the inline properties from all
* text in the current selection.
*/
void removeAllInlineProperties();
/**
* removeInlineProperty() deletes the properties from all text in the current
* selection. If aProperty is not set on the selection, nothing is done.
*
* @param aProperty the property to remove from the selection
* All atoms are for normal HTML tags (e.g.:
* nsIEditorProperty::font) except when you want to
* remove just links and not named anchors.
* For that, use nsIEditorProperty::href
* @param aAttribute the attribute of the property, if applicable.
* May be null.
* Example: aProperty=nsIEditorProptery::font,
* aAttribute="color"
* nsIEditProperty::allAttributes is special.
* It indicates that all content-based text properties
* are to be removed from the selection.
*/
void removeInlineProperty(in nsIAtom aProperty, in AString aAttribute);
/**
* Increase font size for text in selection by 1 HTML unit
* All existing text is scanned for existing <FONT SIZE> attributes
* so they will be incremented instead of inserting new <FONT> tag
*/
void increaseFontSize();
/**
* Decrease font size for text in selection by 1 HTML unit
* All existing text is scanned for existing <FONT SIZE> attributes
* so they will be decreased instead of inserting new <FONT> tag
*/
void decreaseFontSize();
/* ------------ Drag/Drop methods -------------- */
/**
* canDrag decides if a drag should be started
* (for example, based on the current selection and mousepoint).
*/
boolean canDrag(in nsIDOMEvent aEvent);
/**
* doDrag transfers the relevant data (as appropriate)
* to a transferable so it can later be dropped.
*/
void doDrag(in nsIDOMEvent aEvent);
/**
* insertFromDrop looks for a dragsession and inserts the
* relevant data in response to a drop.
*/
void insertFromDrop(in nsIDOMEvent aEvent);
/* ------------ HTML content methods -------------- */
/**
* Tests if a node is a BLOCK element according the the HTML 4.0 DTD.
* This does NOT consider CSS effect on display type
*
* @param aNode the node to test
*/
boolean nodeIsBlock(in nsIDOMNode node);
/**
* Insert some HTML source at the current location
*
* @param aInputString the string to be inserted
*/
void insertHTML(in AString aInputString);
/**
* Paste the text in the OS clipboard at the cursor position, replacing
* the selected text (if any), but strip out any HTML styles and formatting
*/
void pasteNoFormatting(in long aSelectionType);
/**
* Rebuild the entire document from source HTML
* Needed to be able to edit HEAD and other outside-of-BODY content
*
* @param aSourceString HTML source string of the entire new document
*/
void rebuildDocumentFromSource(in AString aSourceString);
/**
* Insert some HTML source, interpreting
* the string argument according to the given context.
*
* @param aInputString the string to be inserted
* @param aContextStr Context of insertion
* @param aInfoStr Related info to aInputString
* @param aFlavor Transferable flavor, can be ""
* @param aSourceDoc document where input was dragged from (may be null)
* @param aDestinationNode location for insertion (such as when dropped)
* @param aDestinationOffset used with aDestNode to determine insert location
* @param aDeleteSelection used with aDestNode during drag&drop
* @param aCollapseSelection used with aDestNode during drag&drop
*/
void insertHTMLWithContext(in AString aInputString,
in AString aContextStr,
in AString aInfoStr,
in AString aFlavor,
in nsIDOMDocument aSourceDoc,
in nsIDOMNode aDestinationNode,
in long aDestinationOffset,
in boolean aDeleteSelection);
/**
* Insert an element, which may have child nodes, at the selection
* Used primarily to insert a new element for various insert element dialogs,
* but it enforces the HTML 4.0 DTD "CanContain" rules, so it should
* be useful for other elements.
*
* @param aElement The element to insert
* @param aDeleteSelection Delete the selection before inserting
* If aDeleteSelection is PR_FALSE, then the element is inserted
* after the end of the selection for all element except
* Named Anchors, which insert before the selection
*/
void insertElementAtSelection(in nsIDOMElement aElement,
in boolean aDeleteSelection);
/**
* Set the documents title.
*/
void setDocumentTitle(in AString aTitle);
/**
* Set the BaseURL for the document to the current URL
* but only if the page doesn't have a <base> tag
* This should be done after the document URL has changed,
* such as after saving a file
* This is used as base for relativizing link and image urls
*/
void updateBaseURL();
/* ------------ Selection manipulation -------------- */
/* Should these be moved to nsISelection? */
/**
* Set the selection at the suppled element
*
* @param aElement An element in the document
*/
void selectElement(in nsIDOMElement aElement);
/**
* Create a collapsed selection just after aElement
*
* XXX could we parameterize SelectElement(before/select/after>?
*
* The selection is set to parent-of-aElement with an
* offset 1 greater than aElement's offset
* but it enforces the HTML 4.0 DTD "CanContain" rules, so it should
* be useful for other elements.
*
* @param aElement An element in the document
*/
void setCaretAfterElement(in nsIDOMElement aElement);
/**
* SetParagraphFormat Insert a block paragraph tag around selection
* @param aParagraphFormat "p", "h1" to "h6", "address", "pre", or "blockquote"
*/
void setParagraphFormat(in AString aParagraphFormat);
/**
* getParagraphState returns what block tag paragraph format is in
* the selection.
* @param aMixed True if there is more than one format
* @return Name of block tag. "" is returned for none.
*/
AString getParagraphState(out boolean aMixed);
/**
* getFontFaceState returns what font face is in the selection.
* @param aMixed True if there is more than one font face
* @return Name of face. Note: "tt" is returned for
* tt tag. "" is returned for none.
*/
AString getFontFaceState(out boolean aMixed);
/**
* getFontColorState returns what font face is in the selection.
* @param aMixed True if there is more than one font color
* @return Color string. "" is returned for none.
*/
AString getFontColorState(out boolean aMixed);
/**
* getFontColorState returns what font face is in the selection.
* @param aMixed True if there is more than one font color
* @return Color string. "" is returned for none.
*/
AString getBackgroundColorState(out boolean aMixed);
/**
* getHighlightColorState returns what the highlight color of the selection.
* @param aMixed True if there is more than one font color
* @return Color string. "" is returned for none.
*/
AString getHighlightColorState(out boolean aMixed);
/**
* getListState returns what list type is in the selection.
* @param aMixed True if there is more than one type of list, or
* if there is some list and non-list
* @param aOL The company that employs me. No, really, it's
* true if an "ol" list is selected.
* @param aUL true if an "ul" list is selected.
* @param aDL true if a "dl" list is selected.
*/
void getListState(out boolean aMixed, out boolean aOL, out boolean aUL,
out boolean aDL);
/**
* getListItemState returns what list item type is in the selection.
* @param aMixed True if there is more than one type of list item, or
* if there is some list and non-list
* @param aLI true if "li" list items are selected.
* @param aDT true if "dt" list items are selected.
* @param aDD true if "dd" list items are selected.
*/
void getListItemState(out boolean aMixed, out boolean aLI,
out boolean aDT, out boolean aDD);
/**
* getAlignment returns what alignment is in the selection.
* @param aMixed True if there is more than one type of list item, or
* if there is some list and non-list
* @param aAlign enum value for first encountered alignment
* (left/center/right)
*/
void getAlignment(out boolean aMixed, out short aAlign);
/**
* Document me!
*
*/
void getIndentState(out boolean aCanIndent, out boolean aCanOutdent);
/**
* Document me!
*
*/
void makeOrChangeList(in AString aListType, in boolean entireList,
in AString aBulletType);
/**
* Document me!
*
*/
void removeList(in AString aListType);
/**
* Document me!
*
*/
void indent(in AString aIndent);
/**
* Document me!
*
*/
void align(in AString aAlign);
/**
* Return the input node or a parent matching the given aTagName,
* starting the search at the supplied node.
* An example of use is for testing if a node is in a table cell
* given a selection anchor node.
*
* @param aTagName The HTML tagname
* Special input values:
* Use "href" to get a link node
* (an "A" tag with the "href" attribute set)
* Use "anchor" or "namedanchor" to get a named anchor node
* (an "A" tag with the "name" attribute set)
* Use "list" to get an OL, UL, or DL list node
* Use "td" to get either a TD or TH cell node
*
* @param aNode The node in the document to start the search.
* If it is null, the anchor node of the current selection is used.
* @return NS_EDITOR_ELEMENT_NOT_FOUND if an element is not found
* (passes NS_SUCCEEDED macro)
*/
nsIDOMElement getElementOrParentByTagName(in AString aTagName,
in nsIDOMNode aNode);
/**
* Return an element only if it is the only node selected,
* such as an image, horizontal rule, etc.
* The exception is a link, which is more like a text attribute:
* The Anchor tag is returned if the selection is within the textnode(s)
* that are children of the "A" node.
* This could be a collapsed selection, i.e., a caret
* within the link text.
*
* @param aTagName The HTML tagname or and empty string
* to get any element (but only if it is the only element selected)
* Special input values for Links and Named anchors:
* Use "href" to get a link node
* (an "A" tag with the "href" attribute set)
* Use "anchor" or "namedanchor" to get a named anchor node
* (an "A" tag with the "name" attribute set)
* @return NS_EDITOR_ELEMENT_NOT_FOUND if an element is not found
* (passes NS_SUCCEEDED macro)
*/
nsIDOMElement getSelectedElement(in AString aTagName);
/**
* Output the contents of the <HEAD> section as text/HTML format
*/
AString getHeadContentsAsHTML();
/**
* Replace all children of <HEAD> with string of HTML source
*/
void replaceHeadContentsWithHTML(in AString aSourceToInsert);
/**
* Return a new element with default attribute values
*
* This does not rely on the selection, and is not sensitive to context.
*
* Used primarily to supply new element for various insert element dialogs
* (Image, Link, NamedAnchor, Table, and HorizontalRule
* are the only returned elements as of 7/25/99)
*
* @param aTagName The HTML tagname
* Special input values for Links and Named anchors:
* Use "href" to get a link node
* (an "A" tag with the "href" attribute set)
* Use "anchor" or "namedanchor" to get a named anchor node
* (an "A" tag with the "name" attribute set)
* @return The new element created.
*/
nsIDOMElement createElementWithDefaults(in AString aTagName);
/**
* Insert an link element as the parent of the current selection
*
* @param aElement An "A" element with a non-empty "href" attribute
*/
void insertLinkAroundSelection(in nsIDOMElement aAnchorElement);
/**
* Set the value of the "bgcolor" attribute on the document's <body> element
*
* @param aColor The HTML color string, such as "#ffccff" or "yellow"
*/
void setBackgroundColor(in AString aColor);
/**
* Set an attribute on the document's <body> element
* such as text, link, background colors
*
* 8/31/00 THIS ISN'T BEING USED? SHOULD WE DROP IT?
*
* @param aAttr The attribute to be set
* @param aValue The value of the attribute
*/
void setBodyAttribute(in AString aAttr, in AString aValue);
/**
* XXX Used to suppress spurious drag/drop events to workaround bug 50703
* Don't use this method! It will go away after first release!
*/
void ignoreSpuriousDragEvent(in boolean aIgnoreSpuriousDragEvent);
/**
* Find all the nodes in the document which contain references
* to outside URIs (e.g. a href, img src, script src, etc.)
* The objects in the array will be type nsIURIRefObject.
*
* @return aNodeList the linked nodes found
*/
nsISupportsArray getLinkedObjects();
/**
* A boolean which is true is the HTMLEditor has been instantiated
* with CSS knowledge and if the CSS pref is currently checked
*
* @return true if CSS handled and enabled
*/
attribute boolean isCSSEnabled;
/**
* Add listener for insertion override
* @param inFilter function which callers want called during insertion
*/
void addInsertionListener(in nsIContentFilter inFilter);
/**
* Remove listener for insertion override
* @param inFilter function which callers do not want called during insertion
*/
void removeInsertionListener(in nsIContentFilter inFilter);
/**
* Returns an anonymous nsDOMElement of type aTag,
* child of aParentNode. If aIsCreatedHidden is true, the class
* "hidden" is added to the created element. If aAnonClass is not
* the empty string, it becomes the value of the attribute "_moz_anonclass"
* @return a DOM Element
* @param aTag [IN] a string representing the desired type of
* the element to create
* @param aParentNode [IN] the parent node of the created anonymous
* element
* @param aAnonClass [IN] contents of the _moz_anonclass attribute
* @param aIsCreatedHidden [IN] a boolean specifying if the class "hidden"
* is to be added to the created anonymous
* element
*/
nsIDOMElement createAnonymousElement(in AString aTag, in nsIDOMNode aParentNode,
in AString aAnonClass, in boolean aIsCreatedHidden);
/**
* returns the deepest container of the selection
* @return a DOM Element
*/
nsIDOMElement getSelectionContainer();
/**
* Checks if the anonymous nodes created by the HTML editor have to be
* refreshed or hidden depending on a possible new state of the selection
* @param aSelection [IN] a selection
*/
void checkSelectionStateForAnonymousButtons(in nsISelection aSelection);
boolean isAnonymousElement(in nsIDOMElement aElement);
/**
* A boolean indicating if a return key pressed in a paragraph creates
* another paragraph or just inserts a <br> at the caret
*
* @return true if CR in a paragraph creates a new paragraph
*/
attribute boolean returnInParagraphCreatesNewParagraph;
};
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