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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 nsIContent;
webidl Document;
webidl Element;
webidl Node;
webidl Selection;
[scriptable, builtinclass, uuid(87ee993e-985f-4a43-a974-0d9512da2fb0)]
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 -------------- */
/**
* 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"
*/
[can_run_script]
void setInlineProperty(in AString aProperty,
in AString aAttribute,
in AString aValue);
/**
* getInlinePropertyWithAttrValue() 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
*/
[can_run_script]
AString getInlinePropertyWithAttrValue(in AString aProperty,
in AString aAttribute,
in AString aValue,
out boolean aFirst,
out boolean aAny,
out boolean aAll);
/**
* removeInlineProperty() removes a property which changes inline style of
* text. E.g., bold, italic, super and sub.
*
* @param aProperty Tag name whcih represents the inline style you want to
* remove. E.g., "strong", "b", etc.
* If "href", <a> element which has href attribute will be
* removed.
* If "name", <a> element which has non-empty name
* attribute will be removed.
* @param aAttribute If aProperty is "font", aAttribute should be "face",
* "size", "color" or "bgcolor".
*/
[can_run_script]
void removeInlineProperty(in AString aProperty, in AString aAttribute);
/* ------------ 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 Node node);
/**
* Insert some HTML source at the current location
*
* @param aInputString the string to be inserted
*/
[can_run_script]
void insertHTML(in AString aInputString);
/**
* 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
*/
[can_run_script]
void rebuildDocumentFromSource(in AString aSourceString);
/**
* 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
*/
[can_run_script]
void insertElementAtSelection(in Element aElement,
in boolean aDeleteSelection);
/**
* 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 Selection? */
/**
* Set the selection at the suppled element
*
* @param aElement An element in the document
*/
[can_run_script]
void selectElement(in Element aElement);
/**
* 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.
*/
[can_run_script]
AString getFontFaceState(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.
*/
[can_run_script]
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
* XXX This ignores `<li>` element selected state.
* For example, even if `<li>` and `<dt>` are selected,
* this is set to false.
* @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 Always returns false.
* @param aAlign enum value for first encountered alignment
* (left/center/right)
*/
[can_run_script]
void getAlignment(out boolean aMixed, out short aAlign);
/**
* Document me!
*
*/
[can_run_script]
void makeOrChangeList(in AString aListType, in boolean entireList,
in AString aBulletType);
/**
* removeList removes list items (<li>, <dd>, and <dt>) and list structures
* (<ul>, <ol>, and <dl>).
*
* @param aListType Unused.
*/
[can_run_script]
void removeList(in AString aListType);
/**
* GetElementOrParentByTagName() returns an inclusive ancestor element whose
* name matches aTagName from aNode or anchor node of Selection to <body>
* element or null if there is no element matching with aTagName.
*
* @param aTagName The tag name which you want to look for.
* Must not be empty string.
* If "list", the result may be <ul>, <ol> or <dl>
* element.
* If "td", the result may be <td> or <th>.
* If "href", the result may be <a> element
* which has "href" attribute with non-empty value.
* If "anchor", the result may be <a> which has
* "name" attribute with non-empty value.
* @param aNode If non-null, this starts to look for the result
* from it. Otherwise, i.e., null, starts from
* anchor node of Selection.
* @return If an element which matches aTagName, returns
* an Element. Otherwise, nullptr.
*/
Element getElementOrParentByTagName(in AString aTagName,
in Node aNode);
/**
* getSelectedElement() returns a "selected" element node. "selected" means:
* - there is only one selection range
* - the range starts from an element node or in an element
* - the range ends at immediately after same element
* - and the range does not include any other element nodes.
* Additionally, only when aTagName is "href", this thinks that an <a>
* element which has non-empty "href" attribute includes the range, the
* <a> element is selected.
*
* @param aTagName Case-insensitive element name.
* If empty string, this returns any element node or null.
* If "href", this returns an <a> element which has
* non-empty "href" attribute or null.
* If "anchor", this returns an <a> element which has
* non-empty "name" attribute or null.
* Otherwise, returns an element node whose name is
* same as aTagName or null.
* @return A "selected" element.
*/
nsISupports getSelectedElement(in AString aTagName);
/**
* 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.
*/
[can_run_script]
Element 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
*/
[can_run_script]
void insertLinkAroundSelection(in Element 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"
*/
[can_run_script]
void setBackgroundColor(in AString aColor);
/**
* 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
*/
[setter_can_run_script] attribute boolean isCSSEnabled;
/**
* checkSelectionStateForAnonymousButtons() may refresh editing UI such as
* resizers, inline-table-editing UI, absolute positioning UI for current
* Selection and focus state. When this method shows or hides UI, the
* editor (and/or its document/window) could be broken by mutation observers.
* FYI: Current user in script is only BlueGriffon.
*/
[can_run_script]
void checkSelectionStateForAnonymousButtons();
boolean isAnonymousElement(in Element 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;
};