gecko-dev/content/base/public/nsISelectionPrivate.idl
2012-01-10 15:19:54 +01:00

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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):
*
* 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 "nsISelectionListener.idl"
#include "nsIEnumerator.idl"
#include "nsISelection.idl"
interface nsRange;
interface nsIDOMNode;
interface nsISelectionListener;
interface nsIContent;
interface nsINode;
%{C++
class nsFrameSelection;
class nsIFrame;
class nsIPresShell;
struct nsTextRangeStyle;
struct nsPoint;
#include "nsIFrame.h"
#include "nsTArray.h"
%}
[ptr] native nsFrameSelection(nsFrameSelection);
[ptr] native nsIFrame(nsIFrame);
[ptr] native nsIPresShell(nsIPresShell);
[ptr] native RangeArray(nsTArray<nsRange*>);
[ref] native constTextRangeStyleRef(const nsTextRangeStyle);
[ref] native nsPointRef(nsPoint);
native nsDirection(nsDirection);
[scriptable, uuid(1820a940-6203-4e27-bc94-fa81131722a4)]
interface nsISelectionPrivate : nsISelection
{
const short ENDOFPRECEDINGLINE=0;
const short STARTOFNEXTLINE=1;
attribute boolean interlinePosition;
/* startBatchChanges
match this up with endbatchChanges. will stop ui updates while multiple selection methods are called
*/
void startBatchChanges();
/* endBatchChanges
match this up with startBatchChanges
*/
void endBatchChanges();
nsIEnumerator getEnumerator();
wstring toStringWithFormat(in string formatType, in unsigned long flags, in PRInt32 wrapColumn);
void addSelectionListener(in nsISelectionListener newListener);
void removeSelectionListener(in nsISelectionListener listenerToRemove);
/* Table selection stuff
We should probably move this and table-related
items in nsFrameSelection to a
new nsITableSelection interface
*/
const long TABLESELECTION_NONE = 0;
const long TABLESELECTION_CELL = 1;
const long TABLESELECTION_ROW = 2;
const long TABLESELECTION_COLUMN = 3;
const long TABLESELECTION_TABLE = 4;
const long TABLESELECTION_ALLCELLS = 5;
/** Test if supplied range points to a single table element:
* Result is one of above constants. "None" means
* a table element isn't selected.
*/
long getTableSelectionType(in nsIDOMRange range);
/* Internal utility method to set the pres shell on a newly created selection */
[noscript] void setPresShell(in nsIPresShell aPresShell);
/* canCacheFrameOffset
* Frame Offset cache can be used just during calling nsEditor::EndPlaceHolderTransaction.
* EndPlaceHolderTransaction will give rise to reflow/refreshing view/scroll, and call times
* of nsTextFrame::GetPointFromOffset whose return value is to be cached.
* see bugs 35296 and 199412
*/
[noscript] attribute boolean canCacheFrameOffset;
/* GetCachedOffsetForFrame
* Returns cached value for nsTextFrame::GetPointFromOffset.
*/
[noscript] void getCachedFrameOffset(in nsIFrame aFrame, in PRInt32 inOffset, in nsPointRef aPoint);
/* getFrameSelection
* Returnes a reference to the frame selection associated with this selection
*/
[noscript] nsFrameSelection getFrameSelection();
[noscript] void setAncestorLimiter(in nsIContent aContent);
/**
* Set the painting style for the range. The range must be a range in
* the selection. The textRangeStyle will be used by text frame
* when it is painting the selection.
*/
[noscript] void setTextRangeStyle(in nsIDOMRange range,
in constTextRangeStyleRef textRangeStyle);
/**
* Get the direction of the selection.
*/
[noscript, notxpcom] nsDirection getSelectionDirection();
[noscript, notxpcom] void setSelectionDirection(in nsDirection aDirection);
/**
* Returns the type of the selection (see nsISelectionController for
* available constants).
*/
readonly attribute short type;
/**
* Return array of ranges intersecting with the given DOM interval.
*/
void GetRangesForInterval(
in nsIDOMNode beginNode, in PRInt32 beginOffset,
in nsIDOMNode endNode, in PRInt32 endOffset,
in boolean allowAdjacent,
out PRUint32 resultCount,
[retval, array, size_is(resultCount)] out nsIDOMRange results);
[noscript] void GetRangesForIntervalArray(
in nsINode beginNode, in PRInt32 beginOffset,
in nsINode endNode, in PRInt32 endOffset,
in boolean allowAdjacent,
in RangeArray results);
/**
* Scrolls a region of the selection, so that it is visible in
* the scrolled view.
*
* @param aRegion - the region inside the selection to scroll into view
* (see selection region constants defined in
* nsISelectionController).
* @param aIsSynchronous - when true, scrolls the selection into view
* before returning. If false, posts a request which
* is processed at some point after the method returns.
* @param aVPercent - how to align the frame vertically. A value of 0
* means the frame's upper edge is aligned with the top edge
* of the visible area. A value of 100 means the frame's
* bottom edge is aligned with the bottom edge of
* the visible area. For values in between, the point
* "aVPercent" down the frame is placed at the point
* "aVPercent" down the visible area. A value of 50 centers
* the frame vertically. A value of -1 means move
* the frame the minimum amount necessary in order for
* the entire frame to be visible vertically (if possible).
* @param aHPercent - how to align the frame horizontally. A value of 0
* means the frame's left edge is aligned with the left
* edge of the visible area. A value of 100 means the
* frame's right edge is aligned with the right edge of
* the visible area. For values in between, the point
* "aHPercent" across the frame is placed at the point
* "aHPercent" across the visible area. A value of 50
* centers the frame horizontally . A value of -1 means
* move the frame the minimum amount necessary in order
* for the entire frame to be visible horizontally
* (if possible).
*/
void scrollIntoView(in short aRegion, in boolean aIsSynchronous,
in short aVPercent, in short aHPercent);
};