Adding upstream version 4:7.4.7.upstream/4%7.4.7upstream

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 349 insertions, 0 deletions

diff --git a/vcl/osx/a11ytextattributeswrapper.mm b/vcl/osx/a11ytextattributeswrapper.mm
new file mode 100644
index 000000000..84a9b27e5
--- /dev/null
+++ b/vcl/osx/a11ytextattributeswrapper.mm
@@ -0,0 +1,349 @@
+/* -*- 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 = false;
+    sal_Int16 value = 0;
+    property.Value >>= value;
+    if ( value != ::css_awt::FontStrikeout::NONE
+      && value != ::css_awt::FontStrikeout::DONTKNOW ) {
+        strikethrough = true;
+    }
+    return strikethrough;
+}
+
++(BOOL)convertBoolean:(PropertyValue)property {
+    bool myBoolean = false;
+    bool value = false;
+    property.Value >>= value;
+    if ( value ) {
+        myBoolean = true;
+    }
+    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 > const &)attributes toString:(NSMutableAttributedString *)string forRange:(NSRange)range fontDescriptor:(AquaA11yFontDescriptor*)fontDescriptor {
+    NSAutoreleasePool * pool = [ [ NSAutoreleasePool alloc ] init ];
+    // vars
+    sal_Int32 underlineColor = 0;
+    bool underlineHasColor = false;
+    // add attributes to string
+    for ( const PropertyValue& property : attributes ) {
+        // TODO: NSAccessibilityMisspelledTextAttribute, NSAccessibilityAttachmentTextAttribute, NSAccessibilityLinkTextAttribute
+        // NSAccessibilityStrikethroughColorTextAttribute is unsupported by UNP-API
+        if ( property.Value.hasValue() ) {
+            if ( property.Name == "CharUnderline" ) {
+                int style = [ AquaA11yTextAttributesWrapper convertUnderlineStyle: property ];
+                if ( style != NSUnderlineStyleNone ) {
+                    [ string addAttribute: NSAccessibilityUnderlineTextAttribute value: [ NSNumber numberWithInt: style ] range: range ];
+                }
+            } else if ( property.Name == "CharFontName" ) {
+                OUString fontname;
+                property.Value >>= fontname;
+                [fontDescriptor setName:CreateNSString(fontname)];
+            } else if ( property.Name == "CharWeight" ) {
+                [fontDescriptor setBold:[AquaA11yTextAttributesWrapper convertBoldStyle:property]];
+            } else if ( property.Name == "CharPosture" ) {
+                [fontDescriptor setItalic:[AquaA11yTextAttributesWrapper convertItalicStyle:property]];
+            } else if ( property.Name == "CharHeight" ) {
+                float size;
+                property.Value >>= size;
+                [fontDescriptor setSize:size];
+            } else if ( property.Name == "CharStrikeout" ) {
+                if ( [ AquaA11yTextAttributesWrapper isStrikethrough: property ] ) {
+                    [ string addAttribute: NSAccessibilityStrikethroughTextAttribute value: [ NSNumber numberWithBool: YES ] range: range ];
+                }
+            } else if ( property.Name == "CharShadowed" ) {
+                if ( [ AquaA11yTextAttributesWrapper convertBoolean: property ] ) {
+                    [ string addAttribute: NSAccessibilityShadowTextAttribute value: [ NSNumber numberWithBool: YES ] range: range ];
+                }
+            } else if ( property.Name == "CharUnderlineColor" ) {
+                property.Value >>= underlineColor;
+            } else if ( property.Name == "CharUnderlineHasColor" ) {
+                underlineHasColor = [ AquaA11yTextAttributesWrapper convertBoolean: property ];
+            } else if ( property.Name == "CharColor" ) {
+                [ AquaA11yTextAttributesWrapper addColor: Color(ColorTransparency, property.Value.get<sal_Int32>()) forAttribute: NSAccessibilityForegroundColorTextAttribute andRange: range toString: string ];
+            } else if ( property.Name == "CharBackColor" ) {
+                [ AquaA11yTextAttributesWrapper addColor: Color(ColorTransparency, property.Value.get<sal_Int32>()) forAttribute: NSAccessibilityBackgroundColorTextAttribute andRange: range toString: string ];
+            } else if ( property.Name == "CharEscapement" ) {
+                // 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 == "ParaAdjust" ) {
+                sal_Int32 alignment;
+                property.Value >>= alignment;
+                NSNumber *textAlignment = nil;
+                switch(static_cast<css::style::ParagraphAdjust>(alignment)) {
+                    case css::style::ParagraphAdjust_RIGHT:
+                        textAlignment = [NSNumber numberWithInteger:NSTextAlignmentRight];
+                        break;
+                    case css::style::ParagraphAdjust_CENTER:
+                        textAlignment = [NSNumber numberWithInteger:NSTextAlignmentCenter];
+                        break;
+                    case css::style::ParagraphAdjust_BLOCK:
+                        textAlignment = [NSNumber numberWithInteger:NSTextAlignmentJustified];
+                        break;
+                    case css::style::ParagraphAdjust_LEFT:
+                    default:
+                        textAlignment = [NSNumber numberWithInteger:NSTextAlignmentLeft];
+                        break;
+                }
+                NSDictionary *paragraphStyle = [NSDictionary dictionaryWithObjectsAndKeys:textAlignment, @"AXTextAlignment", textAlignment, @"AXVisualTextAlignment", nil];
+                [string addAttribute:@"AXParagraphStyle" value:paragraphStyle range:range];
+            }
+        }
+    }
+    // add underline information
+    if ( underlineHasColor ) {
+        [ AquaA11yTextAttributesWrapper addColor: Color(ColorTransparency, 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:(sal_Int32)type toString:(NSMutableAttributedString*)string inRange:(NSRange)range {
+    const sal_Int32 markupCount = markup->getTextMarkupCount(type);
+    for (sal_Int32 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 & ) {
+        // empty
+    } catch ( IndexOutOfBoundsException & ) {
+        // empty
+    } catch ( RuntimeException& ) {
+        // at least don't crash
+    }
+    return string;
+}
+
+@end
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */