office-gobmx/vcl/aqua/source/a11y/aqua11ycomponentwrapper.mm
2011-11-27 13:26:59 -06:00

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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
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#include "aqua11ycomponentwrapper.h"
#include "aqua11yrolehelper.h"
#include <com/sun/star/accessibility/AccessibleRole.hpp>
using namespace ::com::sun::star::accessibility;
using namespace ::com::sun::star::awt;
using namespace ::com::sun::star::uno;
// Wrapper for XAccessibleComponent and XAccessibleExtendedComponent
@implementation AquaA11yComponentWrapper : NSObject
+(id)sizeAttributeForElement:(AquaA11yWrapper *)wrapper {
Size size = [ wrapper accessibleComponent ] -> getSize();
NSSize nsSize = NSMakeSize ( (float) size.Width, (float) size.Height );
return [ NSValue valueWithSize: nsSize ];
}
// TODO: should be merged with AquaSalFrame::VCLToCocoa... to a general helper method
+(id)positionAttributeForElement:(AquaA11yWrapper *)wrapper {
// VCL coordinates are in upper-left-notation, Cocoa likes it the Cartesian way (lower-left)
NSRect screenRect = [ [ NSScreen mainScreen ] frame ];
Size size = [ wrapper accessibleComponent ] -> getSize();
Point location = [ wrapper accessibleComponent ] -> getLocationOnScreen();
NSPoint nsPoint = NSMakePoint ( (float) location.X, (float) ( screenRect.size.height - size.Height - location.Y ) );
return [ NSValue valueWithPoint: nsPoint ];
}
+(id)descriptionAttributeForElement:(AquaA11yWrapper *)wrapper {
if ( [ wrapper accessibleExtendedComponent ] != nil ) {
return CreateNSString ( [ wrapper accessibleExtendedComponent ] -> getToolTipText() );
} else {
return nil;
}
}
+(void)addAttributeNamesTo:(NSMutableArray *)attributeNames {
NSAutoreleasePool * pool = [ [ NSAutoreleasePool alloc ] init ];
[ attributeNames addObjectsFromArray: [ NSArray arrayWithObjects:
NSAccessibilitySizeAttribute,
NSAccessibilityPositionAttribute,
NSAccessibilityFocusedAttribute,
NSAccessibilityEnabledAttribute,
nil ] ];
[ pool release ];
}
+(BOOL)isAttributeSettable:(NSString *)attribute forElement:(AquaA11yWrapper *)wrapper {
BOOL isSettable = NO;
NSAutoreleasePool * pool = [ [ NSAutoreleasePool alloc ] init ];
if ( [ attribute isEqualToString: NSAccessibilityFocusedAttribute ]
&& ! [ [ AquaA11yRoleHelper getNativeRoleFrom: [ wrapper accessibleContext ] ] isEqualToString: NSAccessibilityScrollBarRole ]
&& ! [ [ AquaA11yRoleHelper getNativeRoleFrom: [ wrapper accessibleContext ] ] isEqualToString: NSAccessibilityStaticTextRole ] ) {
isSettable = YES;
}
[ pool release ];
return isSettable;
}
+(void)setFocusedAttributeForElement:(AquaA11yWrapper *)wrapper to:(id)value {
if ( [ value boolValue ] == YES ) {
if ( [ wrapper accessibleContext ] -> getAccessibleRole() == AccessibleRole::COMBO_BOX ) {
// special treatment for comboboxes: find the corresponding PANEL and set focus to it
Reference < XAccessible > rxParent = [ wrapper accessibleContext ] -> getAccessibleParent();
if ( rxParent.is() ) {
Reference < XAccessibleContext > rxContext = rxParent->getAccessibleContext();
if ( rxContext.is() && rxContext -> getAccessibleRole() == AccessibleRole::PANEL ) {
Reference < XAccessibleComponent > rxComponent = Reference < XAccessibleComponent > ( rxParent -> getAccessibleContext(), UNO_QUERY );
if ( rxComponent.is() ) {
rxComponent -> grabFocus();
}
}
}
} else {
[ wrapper accessibleComponent ] -> grabFocus();
}
}
}
@end
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