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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
/*
* This file is part of the LibreOffice project.
*
* 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/.
*
* This file incorporates work covered by the following license notice:
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed
* with this work for additional information regarding copyright
* ownership. The ASF licenses this file to you under the Apache
* License, Version 2.0 (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.apache.org/licenses/LICENSE-2.0 .
*/
#include "aqua/salinst.h"
#include "aqua11ytextwrapper.h"
#include "aqua11ytextattributeswrapper.h"
#include "aqua11yutil.h"
#include <com/sun/star/accessibility/AccessibleTextType.hpp>
#include <com/sun/star/awt/Rectangle.hpp>
using namespace ::com::sun::star::accessibility;
using namespace ::com::sun::star::awt;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
using namespace ::rtl;
// Wrapper for XAccessibleText, XAccessibleEditableText and XAccessibleMultiLineText
@implementation AquaA11yTextWrapper : NSObject
+(id)valueAttributeForElement:(AquaA11yWrapper *)wrapper {
return CreateNSString ( [ wrapper accessibleText ] -> getText() );
}
+(void)setValueAttributeForElement:(AquaA11yWrapper *)wrapper to:(id)value
{
// TODO
(void)wrapper;
(void)value;
}
+(id)numberOfCharactersAttributeForElement:(AquaA11yWrapper *)wrapper {
return [ NSNumber numberWithLong: [ wrapper accessibleText ] -> getCharacterCount() ];
}
+(id)selectedTextAttributeForElement:(AquaA11yWrapper *)wrapper {
return CreateNSString ( [ wrapper accessibleText ] -> getSelectedText() );
}
+(void)setSelectedTextAttributeForElement:(AquaA11yWrapper *)wrapper to:(id)value {
if ( [ wrapper accessibleEditableText ] != nil ) {
NSAutoreleasePool * pool = [ [ NSAutoreleasePool alloc ] init ];
OUString newText = GetOUString ( (NSString *) value );
NSRange selectedTextRange = [ [ AquaA11yTextWrapper selectedTextRangeAttributeForElement: wrapper ] rangeValue ];
try {
[ wrapper accessibleEditableText ] -> replaceText ( selectedTextRange.location, selectedTextRange.location + selectedTextRange.length, newText );
} catch ( const Exception & e ) {
// empty
}
[ pool release ];
}
}
+(id)selectedTextRangeAttributeForElement:(AquaA11yWrapper *)wrapper {
sal_Int32 start = [ wrapper accessibleText ] -> getSelectionStart();
sal_Int32 end = [ wrapper accessibleText ] -> getSelectionEnd();
if ( start != end ) {
return [ NSValue valueWithRange: NSMakeRange ( start, end - start ) ]; // true selection
} else {
long caretPos = [ wrapper accessibleText ] -> getCaretPosition();
if ( caretPos < 0 || caretPos > [ wrapper accessibleText ] -> getCharacterCount() ) {
return nil;
}
return [ NSValue valueWithRange: NSMakeRange ( caretPos, 0 ) ]; // insertion point
}
}
+(void)setSelectedTextRangeAttributeForElement:(AquaA11yWrapper *)wrapper to:(id)value {
NSRange range = [ value rangeValue ];
try {
[ wrapper accessibleText ] -> setSelection ( range.location, range.location + range.length );
} catch ( const Exception & e ) {
// empty
}
}
+(id)visibleCharacterRangeAttributeForElement:(AquaA11yWrapper *)wrapper {
// the OOo a11y API returns only the visible portion...
return [ NSValue valueWithRange: NSMakeRange ( 0, [ wrapper accessibleText ] -> getCharacterCount() ) ];
}
+(void)setVisibleCharacterRangeAttributeForElement:(AquaA11yWrapper *)wrapper to:(id)value
{
// do nothing
(void)wrapper;
(void)value;
}
+(id)sharedTextUIElementsAttributeForElement:(AquaA11yWrapper *)wrapper
{
(void)wrapper;
return [ [ NSArray alloc ] init ]; // unsupported
}
+(id)sharedCharacterRangeAttributeForElement:(AquaA11yWrapper *)wrapper
{
(void)wrapper;
return [ NSValue valueWithRange: NSMakeRange ( 0, 0 ) ]; // unsupported
}
+(void)addAttributeNamesTo:(NSMutableArray *)attributeNames {
[ attributeNames addObjectsFromArray: [ AquaA11yTextWrapper specialAttributeNames ] ];
}
+(NSArray *)specialAttributeNames {
return [ NSArray arrayWithObjects:
NSAccessibilityValueAttribute,
NSAccessibilityNumberOfCharactersAttribute,
NSAccessibilitySelectedTextAttribute,
NSAccessibilitySelectedTextRangeAttribute,
NSAccessibilityVisibleCharacterRangeAttribute,
NSAccessibilitySharedTextUIElementsAttribute,
NSAccessibilitySharedCharacterRangeAttribute,
nil ];
}
+(void)addParameterizedAttributeNamesTo:(NSMutableArray *)attributeNames {
[ attributeNames addObjectsFromArray: [ AquaA11yTextWrapper specialParameterizedAttributeNames ] ];
}
+(NSArray *)specialParameterizedAttributeNames {
return [ NSArray arrayWithObjects:
NSAccessibilityStringForRangeParameterizedAttribute,
NSAccessibilityAttributedStringForRangeParameterizedAttribute,
NSAccessibilityRangeForIndexParameterizedAttribute,
NSAccessibilityRangeForPositionParameterizedAttribute,
NSAccessibilityBoundsForRangeParameterizedAttribute,
NSAccessibilityStyleRangeForIndexParameterizedAttribute,
NSAccessibilityRTFForRangeParameterizedAttribute,
NSAccessibilityLineForIndexParameterizedAttribute,
NSAccessibilityRangeForLineParameterizedAttribute,
nil ];
}
+(id)lineForIndexAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)index {
NSNumber * lineNumber = nil;
try {
sal_Int32 line = [ wrapper accessibleMultiLineText ] -> getLineNumberAtIndex ( (sal_Int32) [ index intValue ] );
lineNumber = [ NSNumber numberWithInt: line ];
} catch ( IndexOutOfBoundsException & e ) {
// empty
}
return lineNumber;
}
+(id)rangeForLineAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)line {
NSValue * range = nil;
try {
TextSegment textSegment = [ wrapper accessibleMultiLineText ] -> getTextAtLineNumber ( [ line intValue ] );
range = [ NSValue valueWithRange: NSMakeRange ( textSegment.SegmentStart, textSegment.SegmentEnd - textSegment.SegmentStart ) ];
} catch ( IndexOutOfBoundsException & e ) {
// empty
}
return range;
}
+(id)stringForRangeAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)range {
int loc = [ range rangeValue ].location;
int len = [ range rangeValue ].length;
NSMutableString * textRange = [ [ NSMutableString alloc ] init ];
try {
[ textRange appendString: CreateNSString ( [ wrapper accessibleText ] -> getTextRange ( loc, loc + len ) ) ];
} catch ( IndexOutOfBoundsException & e ) {
// empty
}
return textRange;
}
+(id)attributedStringForRangeAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)range {
return [ AquaA11yTextAttributesWrapper createAttributedStringForElement: wrapper inOrigRange: range ];
}
+(id)rangeForIndexAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)index {
NSValue * range = nil;
try {
TextSegment textSegment = [ wrapper accessibleText ] -> getTextBeforeIndex ( [ index intValue ], AccessibleTextType::GLYPH );
range = [ NSValue valueWithRange: NSMakeRange ( textSegment.SegmentStart, textSegment.SegmentEnd - textSegment.SegmentStart ) ];
} catch ( IndexOutOfBoundsException & e ) {
// empty
} catch ( IllegalArgumentException & e ) {
// empty
}
return range;
}
+(id)rangeForPositionAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)point {
NSValue * value = nil;
sal_Int32 index = [ wrapper accessibleText ] -> getIndexAtPoint ( [ AquaA11yUtil nsPointToVclPoint: point ] );
if ( index > -1 ) {
value = [ AquaA11yTextWrapper rangeForIndexAttributeForElement: wrapper forParameter: [ NSNumber numberWithLong: index ] ];
}
return value;
}
+(id)boundsForRangeAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)range {
NSValue * rect = nil;
try {
// TODO: this is ugly!!!
// the UNP-API can only return the bounds for a single character, not for a range
int loc = [ range rangeValue ].location;
int len = [ range rangeValue ].length;
int minx = 0x7fffffff, miny = 0x7fffffff, maxx = 0, maxy = 0;
for ( int i = 0; i < len; i++ ) {
Rectangle vclRect = [ wrapper accessibleText ] -> getCharacterBounds ( loc + i );
if ( vclRect.X < minx ) {
minx = vclRect.X;
}
if ( vclRect.Y < miny ) {
miny = vclRect.Y;
}
if ( vclRect.Width + vclRect.X > maxx ) {
maxx = vclRect.Width + vclRect.X;
}
if ( vclRect.Height + vclRect.Y > maxy ) {
maxy = vclRect.Height + vclRect.Y;
}
}
if ( [ wrapper accessibleComponent ] != nil ) {
// get location on screen (must be added since get CharacterBounds returns values relative to parent)
Point screenPos = [ wrapper accessibleComponent ] -> getLocationOnScreen();
Point pos ( minx + screenPos.X, miny + screenPos.Y );
Point size ( maxx - minx, maxy - miny );
NSValue * nsPos = [ AquaA11yUtil vclPointToNSPoint: pos ];
rect = [ NSValue valueWithRect: NSMakeRect ( [ nsPos pointValue ].x, [ nsPos pointValue ].y - size.Y, size.X, size.Y ) ];
//printf("Range: %s --- Rect: %s\n", [ NSStringFromRange ( [ range rangeValue ] ) UTF8String ], [ NSStringFromRect ( [ rect rectValue ] ) UTF8String ]);
}
} catch ( IndexOutOfBoundsException & e ) {
// empty
}
return rect;
}
+(id)styleRangeForIndexAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)index {
NSValue * range = nil;
try {
TextSegment textSegment = [ wrapper accessibleText ] -> getTextAtIndex ( [ index intValue ], AccessibleTextType::ATTRIBUTE_RUN );
range = [ NSValue valueWithRange: NSMakeRange ( textSegment.SegmentStart, textSegment.SegmentEnd - textSegment.SegmentStart ) ];
} catch ( IndexOutOfBoundsException & e ) {
// empty
} catch ( IllegalArgumentException & e ) {
// empty
}
return range;
}
+(id)rTFForRangeAttributeForElement:(AquaA11yWrapper *)wrapper forParameter:(id)range {
NSData * rtfData = nil;
NSAttributedString * attrString = (NSAttributedString *) [ AquaA11yTextWrapper attributedStringForRangeAttributeForElement: wrapper forParameter: range ];
if ( attrString != nil ) {
@try {
rtfData = [ attrString RTFFromRange: [ range rangeValue ] documentAttributes: nil ];
} @catch ( NSException * e) {
// emtpy
}
}
return rtfData;
}
+(BOOL)isAttributeSettable:(NSString *)attribute forElement:(AquaA11yWrapper *)wrapper {
BOOL isSettable = NO;
if ( [ attribute isEqualToString: NSAccessibilityValueAttribute ]
|| [ attribute isEqualToString: NSAccessibilitySelectedTextAttribute ]
|| [ attribute isEqualToString: NSAccessibilitySelectedTextRangeAttribute ]
|| [ attribute isEqualToString: NSAccessibilityVisibleCharacterRangeAttribute ] ) {
if ( ! [ [ wrapper accessibilityAttributeValue: NSAccessibilityRoleAttribute ] isEqualToString: NSAccessibilityStaticTextRole ] ) {
isSettable = YES;
}
}
return isSettable;
}
@end
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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