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office-gobmx/vcl/osx/a11ytextattributeswrapper.mm
Noel Grandin bea081b509 replace SalColor with Color 
Change-Id: I615640a378a61cf6e44e84a647ce06bdd8a52807
Reviewed-on: https://gerrit.libreoffice.org/51239
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>
2018-03-26 08:44:50 +02:00

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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 <osx/salinst.h>
#include <quartz/utils.h>
#include <quartz/salgdi.h>
#include "a11ytextattributeswrapper.h"
#include <com/sun/star/accessibility/AccessibleTextType.hpp>
#include <com/sun/star/awt/FontUnderline.hpp>
#include <com/sun/star/awt/FontWeight.hpp>
#include <com/sun/star/awt/FontStrikeout.hpp>
#include <com/sun/star/lang/IllegalArgumentException.hpp>
#include <com/sun/star/lang/IndexOutOfBoundsException.hpp>
#include <com/sun/star/text/TextMarkupType.hpp>
#include <com/sun/star/style/ParagraphAdjust.hpp>
namespace css_awt = ::com::sun::star::awt;
using namespace ::com::sun::star::accessibility;
using namespace ::com::sun::star::beans;
using namespace ::com::sun::star::lang;
using namespace ::com::sun::star::uno;
// cannot use NSFontDescriptor as it has no notion of explicit NSUn{bold,italic}FontMask
@interface AquaA11yFontDescriptor : NSObject
{
NSString *_name;
NSFontTraitMask _traits;
CGFloat _size;
}
-(void)setName:(NSString*)name;
-(void)setBold:(NSFontTraitMask)bold;
-(void)setItalic:(NSFontTraitMask)italic;
-(void)setSize:(CGFloat)size;
-(NSFont*)font;
@end
@implementation AquaA11yFontDescriptor
- (id)init
{
if((self = [super init]))
{
_name = nil;
_traits = 0;
_size = 0.0;
}
return self;
}
- (id)initWithDescriptor:(AquaA11yFontDescriptor*)descriptor {
if((self = [super init]))
{
_name = [descriptor->_name retain];
_traits = descriptor->_traits;
_size = descriptor->_size;
}
return self;
}
- (void)dealloc {
[_name release];
[super dealloc];
}
-(void)setName:(NSString*)name {
if (_name != name) {
[name retain];
[_name release];
_name = name;
}
}
-(void)setBold:(NSFontTraitMask)bold {
_traits &= ~(NSBoldFontMask | NSUnboldFontMask);
_traits |= bold & (NSBoldFontMask | NSUnboldFontMask);
};
-(void)setItalic:(NSFontTraitMask)italic {
_traits &= ~(NSItalicFontMask | NSUnitalicFontMask);
_traits |= italic & (NSItalicFontMask | NSUnitalicFontMask);
};
-(void)setSize:(CGFloat)size { _size = size; }
-(NSFont*)font {
return [[NSFontManager sharedFontManager] fontWithFamily:_name traits:_traits weight:0 size:_size];
}
@end
@implementation AquaA11yTextAttributesWrapper : NSObject
+(int)convertUnderlineStyle:(PropertyValue)property {
int underlineStyle = NSUnderlineStyleNone;
sal_Int16 value = 0;
property.Value >>= value;
if ( value != ::css_awt::FontUnderline::NONE
&& value != ::css_awt::FontUnderline::DONTKNOW) {
underlineStyle = NSUnderlineStyleSingle;
}
return underlineStyle;
}
+(int)convertBoldStyle:(PropertyValue)property {
int boldStyle = NSUnboldFontMask;
float value = 0;
property.Value >>= value;
if ( value == ::css_awt::FontWeight::SEMIBOLD
|| value == ::css_awt::FontWeight::BOLD
|| value == ::css_awt::FontWeight::ULTRABOLD
|| value == ::css_awt::FontWeight::BLACK ) {
boldStyle = NSBoldFontMask;
}
return boldStyle;
}
+(int)convertItalicStyle:(PropertyValue)property {
int italicStyle = NSUnitalicFontMask;
::css_awt::FontSlant value = property.Value.get< ::css_awt::FontSlant>();
if ( value == ::css_awt::FontSlant_ITALIC ) {
italicStyle = NSItalicFontMask;
}
return italicStyle;
}
+(BOOL)isStrikethrough:(PropertyValue)property {
BOOL strikethrough = NO;
sal_Int16 value = 0;
property.Value >>= value;
if ( value != ::css_awt::FontStrikeout::NONE
&& value != ::css_awt::FontStrikeout::DONTKNOW ) {
strikethrough = YES;
}
return strikethrough;
}
+(BOOL)convertBoolean:(PropertyValue)property {
BOOL myBoolean = NO;
bool value = false;
property.Value >>= value;
if ( value ) {
myBoolean = YES;
}
return myBoolean;
}
+(NSNumber *)convertShort:(PropertyValue)property {
sal_Int16 value = 0;
property.Value >>= value;
return [ NSNumber numberWithShort: value ];
}
+(void)addColor:(Color)nColor forAttribute:(NSString *)attribute andRange:(NSRange)range toString:(NSMutableAttributedString *)string {
if( nColor == COL_TRANSPARENT )
return;
const RGBAColor aRGBAColor( nColor);
CGColorRef aColorRef = CGColorCreate ( CGColorSpaceCreateWithName ( kCGColorSpaceGenericRGB ), aRGBAColor.AsArray() );
[ string addAttribute: attribute value: reinterpret_cast<id>(aColorRef) range: range ];
CGColorRelease( aColorRef );
}
+(void)addFont:(NSFont *)font toString:(NSMutableAttributedString *)string forRange:(NSRange)range {
if ( font != nil ) {
NSDictionary * fontDictionary = [ NSDictionary dictionaryWithObjectsAndKeys:
[ font fontName ], NSAccessibilityFontNameKey,
[ font familyName ], NSAccessibilityFontFamilyKey,
[ font displayName ], NSAccessibilityVisibleNameKey,
[ NSNumber numberWithFloat: [ font pointSize ] ], NSAccessibilityFontSizeKey,
nil
];
[ string addAttribute: NSAccessibilityFontTextAttribute
value: fontDictionary
range: range
];
}
}
+(void)applyAttributesFrom:(Sequence < PropertyValue >)attributes toString:(NSMutableAttributedString *)string forRange:(NSRange)range fontDescriptor:(AquaA11yFontDescriptor*)fontDescriptor {
NSAutoreleasePool * pool = [ [ NSAutoreleasePool alloc ] init ];
// constants
static const OUString attrUnderline("CharUnderline");
static const OUString attrBold("CharWeight");
static const OUString attrFontname("CharFontName");
static const OUString attrItalic("CharPosture");
static const OUString attrHeight("CharHeight");
static const OUString attrStrikethrough("CharStrikeout");
static const OUString attrShadow("CharShadowed");
static const OUString attrUnderlineColor("CharUnderlineColor");
static const OUString attrUnderlineHasColor("CharUnderlineHasColor");
static const OUString attrForegroundColor("CharColor");
static const OUString attrBackgroundColor("CharBackColor");
static const OUString attrSuperscript("CharEscapement");
static const OUString attrTextAlignment("ParaAdjust");
// vars
sal_Int32 underlineColor = 0;
BOOL underlineHasColor = NO;
// add attributes to string
for ( int attrIndex = 0; attrIndex < attributes.getLength(); attrIndex++ ) {
PropertyValue property = attributes [ attrIndex ];
// TODO: NSAccessibilityMisspelledTextAttribute, NSAccessibilityAttachmentTextAttribute, NSAccessibilityLinkTextAttribute
// NSAccessibilityStrikethroughColorTextAttribute is unsupported by UNP-API
if ( property.Value.hasValue() ) {
if ( property.Name.equals ( attrUnderline ) ) {
int style = [ AquaA11yTextAttributesWrapper convertUnderlineStyle: property ];
if ( style != NSUnderlineStyleNone ) {
[ string addAttribute: NSAccessibilityUnderlineTextAttribute value: [ NSNumber numberWithInt: style ] range: range ];
}
} else if ( property.Name.equals ( attrFontname ) ) {
OUString fontname;
property.Value >>= fontname;
[fontDescriptor setName:CreateNSString(fontname)];
} else if ( property.Name.equals ( attrBold ) ) {
[fontDescriptor setBold:[AquaA11yTextAttributesWrapper convertBoldStyle:property]];
} else if ( property.Name.equals ( attrItalic ) ) {
[fontDescriptor setItalic:[AquaA11yTextAttributesWrapper convertItalicStyle:property]];
} else if ( property.Name.equals ( attrHeight ) ) {
float size;
property.Value >>= size;
[fontDescriptor setSize:size];
} else if ( property.Name.equals ( attrStrikethrough ) ) {
if ( [ AquaA11yTextAttributesWrapper isStrikethrough: property ] ) {
[ string addAttribute: NSAccessibilityStrikethroughTextAttribute value: [ NSNumber numberWithBool: YES ] range: range ];
}
} else if ( property.Name.equals ( attrShadow ) ) {
if ( [ AquaA11yTextAttributesWrapper convertBoolean: property ] ) {
[ string addAttribute: NSAccessibilityShadowTextAttribute value: [ NSNumber numberWithBool: YES ] range: range ];
}
} else if ( property.Name.equals ( attrUnderlineColor ) ) {
property.Value >>= underlineColor;
} else if ( property.Name.equals ( attrUnderlineHasColor ) ) {
underlineHasColor = [ AquaA11yTextAttributesWrapper convertBoolean: property ];
} else if ( property.Name.equals ( attrForegroundColor ) ) {
[ AquaA11yTextAttributesWrapper addColor: property.Value.get<sal_Int32>() forAttribute: NSAccessibilityForegroundColorTextAttribute andRange: range toString: string ];
} else if ( property.Name.equals ( attrBackgroundColor ) ) {
[ AquaA11yTextAttributesWrapper addColor: property.Value.get<sal_Int32>() forAttribute: NSAccessibilityBackgroundColorTextAttribute andRange: range toString: string ];
} else if ( property.Name.equals ( attrSuperscript ) ) {
// values < zero mean subscript
// values > zero mean superscript
// this is true for both NSAccessibility-API and UNO-API
NSNumber * number = [ AquaA11yTextAttributesWrapper convertShort: property ];
if ( [ number shortValue ] != 0 ) {
[ string addAttribute: NSAccessibilitySuperscriptTextAttribute value: number range: range ];
}
} else if ( property.Name.equals ( attrTextAlignment ) ) {
sal_Int32 alignment;
property.Value >>= alignment;
NSNumber *textAlignment = nil;
SAL_WNODEPRECATED_DECLARATIONS_PUSH
// 'NSCenterTextAlignment' is deprecated: first deprecated in macOS 10.12
// 'NSJustifiedTextAlignment' is deprecated: first deprecated in macOS 10.12
// 'NSLeftTextAlignment' is deprecated: first deprecated in macOS 10.12
// 'NSRightTextAlignment' is deprecated: first deprecated in macOS 10.12
switch(static_cast<css::style::ParagraphAdjust>(alignment)) {
case css::style::ParagraphAdjust_RIGHT : textAlignment = [NSNumber numberWithInteger:NSRightTextAlignment] ; break;
case css::style::ParagraphAdjust_CENTER: textAlignment = [NSNumber numberWithInteger:NSCenterTextAlignment] ; break;
case css::style::ParagraphAdjust_BLOCK : textAlignment = [NSNumber numberWithInteger:NSJustifiedTextAlignment]; break;
case css::style::ParagraphAdjust_LEFT :
default : textAlignment = [NSNumber numberWithInteger:NSLeftTextAlignment] ; break;
}
SAL_WNODEPRECATED_DECLARATIONS_POP
NSDictionary *paragraphStyle = [NSDictionary dictionaryWithObjectsAndKeys:textAlignment, @"AXTextAlignment", textAlignment, @"AXVisualTextAlignment", nil];
[string addAttribute:@"AXParagraphStyle" value:paragraphStyle range:range];
}
}
}
// add underline information
if ( underlineHasColor ) {
[ AquaA11yTextAttributesWrapper addColor: underlineColor forAttribute: NSAccessibilityUnderlineColorTextAttribute andRange: range toString: string ];
}
// add font information
NSFont * font = [fontDescriptor font];
[AquaA11yTextAttributesWrapper addFont:font toString:string forRange:range];
[ pool release ];
}
+(void)addMarkup:(XAccessibleTextMarkup*)markup withType:(long)type toString:(NSMutableAttributedString*)string inRange:(NSRange)range {
const long markupCount = markup->getTextMarkupCount(type);
for (long markupIndex = 0; markupIndex < markupCount; ++markupIndex) {
TextSegment markupSegment = markup->getTextMarkup(markupIndex, type);
NSRange markupRange = NSMakeRange(markupSegment.SegmentStart, markupSegment.SegmentEnd - markupSegment.SegmentStart);
markupRange = NSIntersectionRange(range, markupRange);
if (markupRange.length > 0) {
markupRange.location -= range.location;
switch(type) {
case css::text::TextMarkupType::SPELLCHECK: {
[string addAttribute:NSAccessibilityMisspelledTextAttribute value:[NSNumber numberWithBool:YES] range:markupRange];
[string addAttribute:@"AXMarkedMisspelled" value:[NSNumber numberWithBool:YES] range:markupRange];
break;
}
}
}
}
}
+(void)addMarkup:(XAccessibleTextMarkup*)markup toString:(NSMutableAttributedString*)string inRange:(NSRange)range {
[AquaA11yTextAttributesWrapper addMarkup:markup withType:css::text::TextMarkupType::SPELLCHECK toString:string inRange:range];
}
+(NSMutableAttributedString *)createAttributedStringForElement:(AquaA11yWrapper *)wrapper inOrigRange:(id)origRange {
static const Sequence < OUString > emptySequence;
// vars
NSMutableAttributedString * string = nil;
int loc = [ origRange rangeValue ].location;
int len = [ origRange rangeValue ].length;
int endIndex = loc + len;
int currentIndex = loc;
try {
NSString * myString = CreateNSString ( [ wrapper accessibleText ] -> getText() ); // TODO: dirty fix for i87817
string = [ [ NSMutableAttributedString alloc ] initWithString: CreateNSString ( [ wrapper accessibleText ] -> getTextRange ( loc, loc + len ) ) ];
if ( [ wrapper accessibleTextAttributes ] && [myString characterAtIndex:0] != 57361) { // TODO: dirty fix for i87817
[ string beginEditing ];
// add default attributes for whole string
Sequence < PropertyValue > defaultAttributes = [ wrapper accessibleTextAttributes ] -> getDefaultAttributes ( emptySequence );
AquaA11yFontDescriptor *defaultFontDescriptor = [[AquaA11yFontDescriptor alloc] init];
[ AquaA11yTextAttributesWrapper applyAttributesFrom: defaultAttributes toString: string forRange: NSMakeRange ( 0, len ) fontDescriptor: defaultFontDescriptor ];
// add attributes for attribute run(s)
while ( currentIndex < endIndex ) {
TextSegment textSegment = [ wrapper accessibleText ] -> getTextAtIndex ( currentIndex, AccessibleTextType::ATTRIBUTE_RUN );
int endOfRange = endIndex > textSegment.SegmentEnd ? textSegment.SegmentEnd : endIndex;
NSRange rangeForAttributeRun = NSMakeRange ( currentIndex - loc , endOfRange - currentIndex );
// add run attributes
Sequence < PropertyValue > attributes = [ wrapper accessibleTextAttributes ] -> getRunAttributes ( currentIndex, emptySequence );
AquaA11yFontDescriptor *fontDescriptor = [[AquaA11yFontDescriptor alloc] initWithDescriptor:defaultFontDescriptor];
[ AquaA11yTextAttributesWrapper applyAttributesFrom: attributes toString: string forRange: rangeForAttributeRun fontDescriptor: fontDescriptor ];
[fontDescriptor release];
currentIndex = textSegment.SegmentEnd;
}
[defaultFontDescriptor release];
if ([wrapper accessibleTextMarkup])
[AquaA11yTextAttributesWrapper addMarkup:[wrapper accessibleTextMarkup] toString:string inRange:[origRange rangeValue]];
[ string endEditing ];
}
} catch ( IllegalArgumentException & e ) {
// empty
} catch ( IndexOutOfBoundsException & e ) {
// empty
} catch ( RuntimeException& ) {
// at least don't crash
}
return string;
}
@end
/* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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