gecko-dev/accessible/mac/MacUtils.mm

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/* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=2 et sw=2 tw=80: */
/* 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/. */
#import "MacUtils.h"
#include "Accessible.h"
#include "nsCocoaUtils.h"
#include "mozilla/a11y/PDocAccessible.h"
#include "nsIPersistentProperties2.h"
namespace mozilla {
namespace a11y {
namespace utils {
// convert an array of Gecko accessibles to an NSArray of native accessibles
static inline NSMutableArray* ConvertToNSArray(nsTArray<Accessible*>& aArray) {
NSMutableArray* nativeArray = [[NSMutableArray alloc] init];
// iterate through the list, and get each native accessible.
size_t totalCount = aArray.Length();
for (size_t i = 0; i < totalCount; i++) {
Accessible* curAccessible = aArray.ElementAt(i);
mozAccessible* curNative = GetNativeFromGeckoAccessible(curAccessible);
if (curNative) [nativeArray addObject:GetObjectOrRepresentedView(curNative)];
}
return nativeArray;
}
// convert an array of Gecko proxy accessibles to an NSArray of native accessibles
static inline NSMutableArray* ConvertToNSArray(nsTArray<ProxyAccessible*>& aArray) {
NSMutableArray* nativeArray = [[NSMutableArray alloc] init];
// iterate through the list, and get each native accessible.
size_t totalCount = aArray.Length();
for (size_t i = 0; i < totalCount; i++) {
ProxyAccessible* curAccessible = aArray.ElementAt(i);
mozAccessible* curNative = GetNativeFromGeckoAccessible(curAccessible);
if (curNative) [nativeArray addObject:GetObjectOrRepresentedView(curNative)];
}
return nativeArray;
}
/**
* Get a localized string from the a11y string bundle.
* Return nil if not found.
*/
NSString* LocalizedString(const nsString& aString) {
nsString text;
Accessible::TranslateString(aString, text);
return text.IsEmpty() ? nil : nsCocoaUtils::ToNSString(text);
}
NSString* GetAccAttr(mozAccessible* aNativeAccessible, const char* aAttrName) {
nsAutoString result;
if (Accessible* acc = [aNativeAccessible geckoAccessible].AsAccessible()) {
nsCOMPtr<nsIPersistentProperties> attributes = acc->Attributes();
attributes->GetStringProperty(nsCString(aAttrName), result);
} else if (ProxyAccessible* proxy = [aNativeAccessible geckoAccessible].AsProxy()) {
AutoTArray<Attribute, 10> attrs;
proxy->Attributes(&attrs);
for (size_t i = 0; i < attrs.Length(); i++) {
if (attrs.ElementAt(i).Name() == aAttrName) {
result = attrs.ElementAt(i).Value();
break;
}
}
}
if (!result.IsEmpty()) {
return nsCocoaUtils::ToNSString(result);
}
return nil;
}
}
}
}