gecko-dev/dom/base/nsISelectionController.idl

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/* -*- Mode: IDL; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/* 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 "nsISelectionDisplay.idl"
%{C++
typedef short SelectionType;
typedef short SelectionRegion;
%}
interface nsIContent;
interface nsIDOMNode;
interface nsISelection;
interface nsISelectionDisplay;
[scriptable, uuid(e5238312-2f50-4ec1-8e23-6337f3a67727)]
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 SELECTION_URLSECONDARY=256;
const short SELECTION_URLSTRIKEOUT=512;
const short NUM_SELECTIONTYPES=11;
const short SELECTION_ANCHOR_REGION = 0;
const short SELECTION_FOCUS_REGION = 1;
const short SELECTION_WHOLE_SELECTION = 2;
const short NUM_SELECTION_REGIONS = 3;
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;
const short SCROLL_CENTER_VERTICALLY = 1<<4;
const short SCROLL_OVERFLOW_HIDDEN = 1<<5;
/**
* 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.
* SCROLL_OVERFLOW_HIDDEN: if set, scrolls even if the overflow is specified
* as hidden.
*
* 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);
/** PhysicalMove will move the selection one "unit" in a given direction
* within 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 aDirection
* @param aAmount character/line; word/lineBoundary
* @param aExtend should it collapse the selection of extend it?
*/
void physicalMove(in short direction, in short amount, in boolean extend);
/**
* nsFrameSelection::PhysicalMove depends on the ordering of these values;
* do not change without checking there!
*/
const short MOVE_LEFT = 0;
const short MOVE_RIGHT = 1;
const short MOVE_UP = 2;
const short MOVE_DOWN = 3;
/**
* 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);
/** ScrollLine will scroll line up or down dependent on the boolean
* @param aForward scroll forward or backwards in selection
*/
void scrollLine(in boolean forward);
/** ScrollCharacter will scroll right or left dependent on the boolean
* @param aRight if true will scroll right. if not will scroll left.
*/
void scrollCharacter(in boolean right);
/** 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);
[noscript,nostdcall] boolean checkVisibilityContent(in nsIContent node, in short startOffset, in short endOffset);
/**
* Returns the current visibility status of the selection carets, and allows
* the visibility to be turned off, or on (if a selection exists).
*/
attribute boolean selectionCaretsVisibility;
};
%{ C++
#define NS_ISELECTIONCONTROLLER_CID \
{ 0x513b9460, 0xd56a, 0x4c4e, \
{ 0xb6, 0xf9, 0x0b, 0x8a, 0xe4, 0x37, 0x2a, 0x3b }}
%}