tdf#124172: Use the MacOSXSpell library on iOS, too

The code needed just a small amount of ifdefs to use UITextChecker on
iOS instead of NSSpellChecker.

Change-Id: I19edfffd3cc317a79beacc0b94668a6fd5ea3b32

3 files changed, 27 insertions, 9 deletions

diff --git a/lingucomponent/Module_lingucomponent.mk b/lingucomponent/Module_lingucomponent.mk
index 4f3d2424f992..2bde5d5391e5 100644
--- a/lingucomponent/Module_lingucomponent.mk
+++ b/lingucomponent/Module_lingucomponent.mk
@@ -14,7 +14,7 @@ $(eval $(call gb_Module_add_targets,lingucomponent,\
 	Library_guesslang \
 	Library_hyphen \
 	Library_lnth \
-	$(if $(filter MACOSX,$(OS)),Library_MacOSXSpell) \
+	$(if $(filter iOS MACOSX,$(OS)),Library_MacOSXSpell) \
 	Library_spell \
 	StaticLibrary_ulingu \
 	Library_numbertext \
diff --git a/lingucomponent/source/spellcheck/macosxspell/macspellimp.hxx b/lingucomponent/source/spellcheck/macosxspell/macspellimp.hxx
index 084b08c23d0f..fea3ba77c742 100644
--- a/lingucomponent/source/spellcheck/macosxspell/macspellimp.hxx
+++ b/lingucomponent/source/spellcheck/macosxspell/macspellimp.hxx
@@ -22,12 +22,14 @@
 
 #include <cppuhelper/implbase.hxx>
 
-#ifdef MACOSX
 #include <premac.h>
+#ifdef MACOSX
 #include <Carbon/Carbon.h>
 #import <Cocoa/Cocoa.h>
-#include <postmac.h>
+#else
+#include <UIKit/UIKit.h>
 #endif
+#include <postmac.h>
 #include <com/sun/star/lang/XComponent.hpp>
 #include <com/sun/star/lang/XInitialization.hpp>
 #include <com/sun/star/lang/XServiceDisplayName.hpp>
@@ -62,8 +64,11 @@ class MacSpellChecker :
     Locale *                aDLocs;
     OUString *              aDNames;
     sal_Int32               numdict;
+#ifdef MACOSX
     int                     macTag;   // unique tag for this doc
-
+#else
+    UITextChecker *         pChecker;
+#endif
     ::comphelper::OInterfaceContainerHelper2       aEvtListeners;
     Reference< XPropertyChangeListener >    xPropHelper;
     linguistic::PropertyHelper_Spell *      pPropHelper;
@@ -79,6 +84,7 @@ class MacSpellChecker :
     }
 
     sal_Int16   GetSpellFailure( const OUString &rWord, const Locale &rLocale );
+    Reference< XSpellAlternatives > GetProposals( const OUString &rWord, const Locale &rLocale );
 
 public:
     MacSpellChecker();
diff --git a/lingucomponent/source/spellcheck/macosxspell/macspellimp.mm b/lingucomponent/source/spellcheck/macosxspell/macspellimp.mm
index 9eb7e65244d6..d66e7149ea70 100644
--- a/lingucomponent/source/spellcheck/macosxspell/macspellimp.mm
+++ b/lingucomponent/source/spellcheck/macosxspell/macspellimp.mm
@@ -54,10 +54,14 @@ MacSpellChecker::MacSpellChecker() :
     bDisposing = false;
     pPropHelper = nullptr;
     numdict = 0;
+#ifndef IOS
     NSApplicationLoad();
     NSAutoreleasePool* pool = [[NSAutoreleasePool alloc] init];
     macTag = [NSSpellChecker uniqueSpellDocumentTag];
     [pool release];
+#else
+    pChecker = [[UITextChecker alloc] init];
+#endif
 }
 
 
@@ -109,7 +113,11 @@ Sequence< Locale > SAL_CALL MacSpellChecker::getLocales()
         // TODO How on macOS?
 
         // invoke a second  dictionary manager to get the shared dictionary list
+#ifdef MACOSX
         NSArray *aSpellCheckLanguages = [[NSSpellChecker sharedSpellChecker] availableLanguages];
+#else
+        NSArray *aSpellCheckLanguages = [UITextChecker availableLanguages];
+#endif
 
         for (NSUInteger i = 0; i < [aSpellCheckLanguages count]; i++)
         {
@@ -332,8 +340,12 @@ sal_Int16 MacSpellChecker::GetSpellFailure( const OUString &rWord, const Locale
             aLang = [aLang  stringByAppendingString:aTaggedCountry];
         }
 
+#ifdef MACOSX
         NSInteger aCount;
         NSRange range = [[NSSpellChecker sharedSpellChecker] checkSpellingOfString:aNSStr startingAt:0 language:aLang wrap:false inSpellDocumentWithTag:macTag wordCount:&aCount];
+#else
+        NSRange range = [pChecker rangeOfMisspelledWordInString:aNSStr range:NSMakeRange(0, [aNSStr length]) startingAt:0 wrap:NO language:aLang];
+#endif
         int rVal = 0;
         if(range.length>0)
         {
@@ -394,10 +406,8 @@ sal_Bool SAL_CALL
     return (nFailure == -1);
 }
 
-namespace {
-
 Reference< XSpellAlternatives >
-    GetProposals( const OUString &rWord, const Locale &rLocale )
+    MacSpellChecker::GetProposals( const OUString &rWord, const Locale &rLocale )
 {
     // Retrieves the return values for the 'spell' function call in case
     // of a misspelled word.
@@ -432,8 +442,12 @@ Reference< XSpellAlternatives >
             NSString* aTaggedCountry = [@"_" stringByAppendingString:aCountry];
             aLang = [aLang  stringByAppendingString:aTaggedCountry];
         }
+#ifdef MACOSX
         [[NSSpellChecker sharedSpellChecker] setLanguage:aLang];
         NSArray *guesses = [[NSSpellChecker sharedSpellChecker] guessesForWordRange:NSMakeRange(0, [aNSStr length]) inString:aNSStr language:aLang inSpellDocumentWithTag:0];
+#else
+        NSArray *guesses = [pChecker guessesForWordRange:NSMakeRange(0, [aNSStr length]) inString:aNSStr language:aLang];
+#endif
         count = [guesses count];
         if (count)
         {
@@ -460,8 +474,6 @@ Reference< XSpellAlternatives >
 
 }
 
-}
-
 Reference< XSpellAlternatives > SAL_CALL
     MacSpellChecker::spell( const OUString& rWord, const Locale& rLocale,
             const css::uno::Sequence<PropertyValue>& rProperties )