gecko-dev/content/base/public/nsISelectionController.idl

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** 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):
* Sammy Ford
*
* 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 "nsISelection.idl"
#include "nsISelectionDisplay.idl"
%{C++
typedef short SelectionType;
typedef short SelectionRegion;
%}
interface nsIDOMNode;
interface nsISelection;
interface nsISelectionDisplay;
[scriptable, uuid(ff11fa25-788f-444f-8f69-dcdf14348fb3)]
interface nsISelectionController : nsISelectionDisplay
{
const short SELECTION_NONE=0;
const short SELECTION_NORMAL=1;
const short SELECTION_SPELLCHECK=2;
const short SELECTION_IME_RAWINPUT=4;
const short SELECTION_IME_SELECTEDRAWTEXT=8;
const short SELECTION_IME_CONVERTEDTEXT=16;
const short SELECTION_IME_SELECTEDCONVERTEDTEXT=32;
const short SELECTION_ACCESSIBILITY=64; // For accessibility API usage
const short SELECTION_FIND=128;
const short NUM_SELECTIONTYPES=9;
const short SELECTION_ANCHOR_REGION = 0;
const short SELECTION_FOCUS_REGION = 1;
const short NUM_SELECTION_REGIONS = 2;
const short SELECTION_OFF = 0;
const short SELECTION_HIDDEN =1;//>HIDDEN displays selection
const short SELECTION_ON = 2;
const short SELECTION_DISABLED = 3;
const short SELECTION_ATTENTION = 4;
/**
* SetDisplaySelection will set the display mode for the selection. OFF,ON,DISABLED
*/
void setDisplaySelection(in short toggle);
/**
* GetDisplaySelection will get the display mode for the selection. OFF,ON,DISABLED
*/
short getDisplaySelection();
/**
* GetSelection will return the selection that the presentation
* shell may implement.
*
* @param aType will hold the type of selection //SelectionType
* @param _return will hold the return value
*/
nsISelection getSelection(in short type);
const short SCROLL_SYNCHRONOUS = 1<<1;
const short SCROLL_FIRST_ANCESTOR_ONLY = 1<<2;
/**
* ScrollSelectionIntoView scrolls a region of the selection,
* so that it is visible in the scrolled view.
*
* @param aType the selection to scroll into view. //SelectionType
* @param aRegion the region inside the selection to scroll into view. //SelectionRegion
* @param aFlags the scroll flags. Valid bits include:
* SCROLL_SYNCHRONOUS: when set, scrolls the selection into view
* before returning. If not set, posts a request which is processed
* at some point after the method returns.
* SCROLL_FIRST_ANCESTOR_ONLY: if set, only the first ancestor will be scrolled
* into view.
*
* Note that if isSynchronous is true, then this might flush the pending
* reflow. It's dangerous for some objects. See bug 418470 comment 12.
*/
void scrollSelectionIntoView(in short type, in short region, in short flags);
/**
* RepaintSelection repaints the selection specified by aType.
*
* @param aType specifies the selection to repaint.
*/
void repaintSelection(in short type);
/**
* Set the caret as enabled or disabled. An enabled caret will
* draw or blink when made visible. A disabled caret will never show up.
* Can be called any time.
* @param aEnable PR_TRUE to enable caret. PR_FALSE to disable.
* @return always NS_OK
*/
void setCaretEnabled(in boolean enabled);
/**
* Set the caret readonly or not. An readonly caret will
* draw but not blink when made visible.
* @param aReadOnly PR_TRUE to enable caret. PR_FALSE to disable.
* @return always NS_OK
*/
void setCaretReadOnly(in boolean readOnly);
/**
* Gets the current state of the caret.
* @param aEnabled [OUT] set to the current caret state, as set by SetCaretEnabled
* @return if aOutEnabled==null, returns NS_ERROR_INVALID_ARG
* else NS_OK
*/
boolean getCaretEnabled();
/**
* This is true if the caret is enabled, visible, and currently blinking.
* This is still true when the caret is enabled, visible, but in its "off"
* blink cycle.
*/
readonly attribute boolean caretVisible;
/**
* Show the caret even in selections. By default the caret is hidden unless the
* selection is collapsed. Use this function to show the caret even in selections.
* @param aVisibility PR_TRUE to show the caret in selections. PR_FALSE to hide.
* @return always NS_OK
*/
void setCaretVisibilityDuringSelection(in boolean visibility);
/** CharacterMove will move the selection one character forward/backward in the document.
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aForward forward or backward if PR_FALSE
* @param aExtend should it collapse the selection of extend it?
*/
void characterMove(in boolean forward, in boolean extend);
/**
* CharacterExtendForDelete will extend the selection one character cell
* forward in the document.
* this method is used internally for handling del key.
*/
[noscript] void characterExtendForDelete();
/**
* CharacterExtendForBackspace will extend the selection one character cell
* backward in the document.
* this method is used internally for handling backspace key only when we're
* after UTF-16 surrogates.
*/
[noscript] void characterExtendForBackspace();
/** WordMove will move the selection one word forward/backward in the document.
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aForward forward or backward if PR_FALSE
* @param aExtend should it collapse the selection of extend it?
*/
void wordMove(in boolean forward, in boolean extend);
/** wordExtendForDelete will extend the selection one word forward/backward in the document.
* this method is used internally for handling ctrl[option]-backspace and ctrl[option]-del.
* @param aForward forward or backward if PR_FALSE
*/
[noscript] void wordExtendForDelete(in boolean forward);
/** LineMove will move the selection one line forward/backward in the document.
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aForward forward or backward if PR_FALSE
* @param aExtend should it collapse the selection of extend it?
*/
void lineMove(in boolean forward, in boolean extend);
/** IntraLineMove will move the selection to the front of the line or end of the line
* in the document.
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aForward forward or backward if PR_FALSE
* @param aExtend should it collapse the selection of extend it?
*/
void intraLineMove(in boolean forward, in boolean extend);
/** PageMove will move the selection one page forward/backward in the document.
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aForward forward or backward if PR_FALSE
* @param aExtend should it collapse the selection of extend it?
*/
void pageMove(in boolean forward, in boolean extend);
/** CompleteScroll will move page view to the top or bottom of the document
* @param aForward forward or backward if PR_FALSE
*/
void completeScroll(in boolean forward);
/** CompleteMove will move page view to the top or bottom of the document
* this will also have the effect of collapsing the selection if the aExtend = PR_FALSE
* the "point" of selection that is extended is considered the "focus" point.
* or the last point adjusted by the selection.
* @param aForward forward or backward if PR_FALSE
* @param aExtend should it collapse the selection of extend it?
*/
void completeMove(in boolean forward, in boolean extend);
/** ScrollPage will scroll the page without affecting the selection.
* @param aForward scroll forward or backwards in selection
*/
void scrollPage(in boolean forward);
/** ScrolLine will scroll line up or down dependent on the boolean
* @param aForward scroll forward or backwards in selection
*/
void scrollLine(in boolean forward);
/** ScrolHorizontal will scroll left or right dependent on the boolean
* @param aLeft if true will scroll left. if not will scroll right.
*/
void scrollHorizontal(in boolean left);
/** SelectAll will select the whole page
*/
void selectAll();
/** CheckVisibility will return true if textnode and offsets are actually rendered
* in the current precontext.
* @param aNode textNode to test
* @param aStartOffset offset in dom to first char of textnode to test
* @param aEndOffset offset in dom to last char of textnode to test
* @param aReturnBool boolean returned TRUE if visible FALSE if not
*/
boolean checkVisibility(in nsIDOMNode node, in short startOffset, in short endOffset);
};
%{ C++
#define NS_ISELECTIONCONTROLLER_CID \
{ 0x513b9460, 0xd56a, 0x4c4e, \
{ 0xb6, 0xf9, 0x0b, 0x8a, 0xe4, 0x37, 0x2a, 0x3b }}
%}