jdk/src/macosx/native/sun/awt/CInputMethod.m - edge/openjdk - Git at Google

 /*
  * Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.  Oracle designates this
  * particular file as subject to the "Classpath" exception as provided
  * by Oracle in the LICENSE file that accompanied this code.
  *
  * This code is distributed in the hope that it will be useful, but WITHOUT
  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  * version 2 for more details (a copy is included in the LICENSE file that
  * accompanied this code).
  *
  * You should have received a copy of the GNU General Public License version
  * 2 along with this work; if not, write to the Free Software Foundation,
  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  *
  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  * or visit www.oracle.com if you need additional information or have any
  * questions.
  */

 #import <Cocoa/Cocoa.h>
 #include <objc/objc-runtime.h>

 #import "sun_lwawt_macosx_CInputMethod.h"
 #import "sun_lwawt_macosx_CInputMethodDescriptor.h"
 #import "ThreadUtilities.h"
 #import "AWTView.h"

 #import <JavaNativeFoundation/JavaNativeFoundation.h>
 #import <JavaRuntimeSupport/JavaRuntimeSupport.h>

 #define JAVA_LIST @"JAVA_LIST"
 #define CURRENT_KB_DESCRIPTION @"CURRENT_KB_DESCRIPTION"

 static JNF_CLASS_CACHE(jc_localeClass, "java/util/Locale");
 static JNF_CTOR_CACHE(jm_localeCons, jc_localeClass, "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");
 static JNF_CLASS_CACHE(jc_arrayListClass, "java/util/ArrayList");
 static JNF_CTOR_CACHE(jm_arrayListCons, jc_arrayListClass, "()V");
 static JNF_MEMBER_CACHE(jm_listAdd, jc_arrayListClass, "add", "(Ljava/lang/Object;)Z");
 static JNF_MEMBER_CACHE(jm_listContains, jc_arrayListClass, "contains", "(Ljava/lang/Object;)Z");


 //
 // NOTE: This returns a JNI Local Ref. Any code that calls must call DeleteLocalRef with the return value.
 //
 static jobject CreateLocaleObjectFromNSString(JNIEnv *env, NSString *name)
 {
     // Break apart the string into its components.
     // First, duplicate the NSString into a C string, since we're going to modify it.
     char * language = strdup([name UTF8String]);
     char * country;
     char * variant;

     // Convert _ to NULL -- this gives us three null terminated strings in place.
     for (country = language; *country != '_' && *country != '\0'; country++);
     if (*country == '_') {
         *country++ = '\0';
         for (variant = country; *variant != '_' && *variant != '\0'; variant++);
         if (*variant == '_') {
             *variant++ = '\0';
         }
     } else {
         variant = country;
     }

     // Create the java.util.Locale object
     jobject localeObj = NULL;
     jobject langObj = (*env)->NewStringUTF(env, language);
     if (langObj != NULL) {
         jobject ctryObj = (*env)->NewStringUTF(env, country);
         if(ctryObj != NULL) {
             jobject vrntObj = (*env)->NewStringUTF(env, variant);
             if (vrntObj != NULL) {
                 localeObj = JNFNewObject(env, jm_localeCons,langObj, ctryObj,
                                          vrntObj);
                 (*env)->DeleteLocalRef(env, vrntObj);
             }
             (*env)->DeleteLocalRef(env, ctryObj);
         }
         (*env)->DeleteLocalRef(env, langObj);
     }
     // Clean up and return.
     free(language);
     return localeObj;
 }

 static id inputMethodController = nil;

 static void initializeInputMethodController() {
     static BOOL checkedJRSInputMethodController = NO;
     if (!checkedJRSInputMethodController && (inputMethodController == nil)) {
         id jrsInputMethodController = objc_lookUpClass("JRSInputMethodController");
         if (jrsInputMethodController != nil) {
             inputMethodController = [jrsInputMethodController performSelector:@selector(controller)];
         }
         checkedJRSInputMethodController = YES;
     }
 }


 @interface CInputMethod : NSObject {}
 @end

 @implementation CInputMethod

 + (void) setKeyboardLayout:(NSString *)theLocale
 {
     AWT_ASSERT_APPKIT_THREAD;
     if (!inputMethodController) return;

     [inputMethodController performSelector:@selector(setCurrentInputMethodForLocale) withObject:theLocale];
 }

 + (void) _nativeNotifyPeerWithView:(AWTView *)view inputMethod:(JNFJObjectWrapper *) inputMethod {
     AWT_ASSERT_APPKIT_THREAD;

     if (!view) return;
     if (!inputMethod) return;

     [view setInputMethod:[inputMethod jObject]];
 }

 + (void) _nativeEndComposition:(AWTView *)view {
     if (view == nil) return;

     [view abandonInput];
 }


 @end

 /*
  * Class:     sun_lwawt_macosx_CInputMethod
  * Method:    nativeInit
  * Signature: ();
  */
 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CInputMethod_nativeInit
 (JNIEnv *env, jclass klass)
 {
     initializeInputMethodController();
 }

 /*
  * Class:     sun_lwawt_macosx_CInputMethod
  * Method:    nativeGetCurrentInputMethodInfo
  * Signature: ()Ljava/lang/String;
  */
 JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CInputMethod_nativeGetCurrentInputMethodInfo
 (JNIEnv *env, jclass klass)
 {
     if (!inputMethodController) return NULL;
     jobject returnValue = 0;
     __block NSString *keyboardInfo = NULL;
 JNF_COCOA_ENTER(env);

     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
         keyboardInfo = [inputMethodController performSelector:@selector(currentInputMethodName)];
         [keyboardInfo retain];
     }];

     if (keyboardInfo == nil) return NULL;
     returnValue = JNFNSToJavaString(env, keyboardInfo);
     [keyboardInfo release];

 JNF_COCOA_EXIT(env);
     return returnValue;
 }

 /*
  * Class:     sun_lwawt_macosx_CInputMethod
  * Method:    nativeActivate
  * Signature: (JLsun/lwawt/macosx/CInputMethod;)V
  */
 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CInputMethod_nativeNotifyPeer
 (JNIEnv *env, jobject this, jlong nativePeer, jobject inputMethod)
 {
 JNF_COCOA_ENTER(env);
     AWTView *view = (AWTView *)jlong_to_ptr(nativePeer);
     JNFJObjectWrapper *inputMethodWrapper = [[JNFJObjectWrapper alloc] initWithJObject:inputMethod withEnv:env];
     [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
         [CInputMethod _nativeNotifyPeerWithView:view inputMethod:inputMethodWrapper];
     }];

 JNF_COCOA_EXIT(env);

 }

 /*
  * Class:     sun_lwawt_macosx_CInputMethod
  * Method:    nativeEndComposition
  * Signature: (J)V
  */
 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CInputMethod_nativeEndComposition
 (JNIEnv *env, jobject this, jlong nativePeer)
 {
 JNF_COCOA_ENTER(env);
    AWTView *view = (AWTView *)jlong_to_ptr(nativePeer);

    [ThreadUtilities performOnMainThreadWaiting:NO block:^(){
         [CInputMethod _nativeEndComposition:view];
     }];

 JNF_COCOA_EXIT(env);
 }

 /*
  * Class:     sun_lwawt_macosx_CInputMethod
  * Method:    getNativeLocale
  * Signature: ()Ljava/util/Locale;
  */
 JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CInputMethod_getNativeLocale
 (JNIEnv *env, jobject this)
 {
     if (!inputMethodController) return NULL;
     jobject returnValue = 0;
     __block NSString *isoAbbreviation;
 JNF_COCOA_ENTER(env);

     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
         isoAbbreviation = (NSString *) [inputMethodController performSelector:@selector(currentInputMethodLocale)];
         [isoAbbreviation retain];
     }];

     if (isoAbbreviation == nil) return NULL;

     static NSString *sLastKeyboardStr = nil;
     static jobject sLastKeyboardLocaleObj = NULL;

     if (![isoAbbreviation isEqualTo:sLastKeyboardStr]) {
         [sLastKeyboardStr release];
         sLastKeyboardStr = [isoAbbreviation retain];
         jobject localObj = CreateLocaleObjectFromNSString(env, isoAbbreviation);
         [isoAbbreviation release];

         if (sLastKeyboardLocaleObj) {
             JNFDeleteGlobalRef(env, sLastKeyboardLocaleObj);
             sLastKeyboardLocaleObj = NULL;
         }
         if (localObj != NULL) {
             sLastKeyboardLocaleObj = JNFNewGlobalRef(env, localObj);
             (*env)->DeleteLocalRef(env, localObj);
         }
     }

     returnValue = sLastKeyboardLocaleObj;

 JNF_COCOA_EXIT(env);
     return returnValue;
 }


 /*
  * Class:     sun_lwawt_macosx_CInputMethod
  * Method:    setNativeLocale
  * Signature: (Ljava/lang/String;Z)Z
  */
 JNIEXPORT jboolean JNICALL Java_sun_lwawt_macosx_CInputMethod_setNativeLocale
 (JNIEnv *env, jobject this, jstring locale, jboolean isActivating)
 {
 JNF_COCOA_ENTER(env);
     NSString *localeStr = JNFJavaToNSString(env, locale);
     [localeStr retain];

     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
         [CInputMethod setKeyboardLayout:localeStr];
     }];

     [localeStr release];
 JNF_COCOA_EXIT(env);
     return JNI_TRUE;
 }

 /*
  * Class:     sun_lwawt_macosx_CInputMethodDescriptor
  * Method:    nativeInit
  * Signature: ();
  */
 JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CInputMethodDescriptor_nativeInit
 (JNIEnv *env, jclass klass)
 {
     initializeInputMethodController();
 }

 /*
  * Class:     sun_lwawt_macosx_CInputMethodDescriptor
  * Method:    nativeGetAvailableLocales
  * Signature: ()[Ljava/util/Locale;
      */
 JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CInputMethodDescriptor_nativeGetAvailableLocales
 (JNIEnv *env, jclass klass)
 {
     if (!inputMethodController) return NULL;
     jobject returnValue = 0;

     __block NSArray *selectableArray = nil;
 JNF_COCOA_ENTER(env);

     [ThreadUtilities performOnMainThreadWaiting:YES block:^(){
         selectableArray = (NSArray *)[inputMethodController performSelector:@selector(availableInputMethodLocales)];
         [selectableArray retain];
     }];

     if (selectableArray == nil) return NULL;

      // Create an ArrayList to return back to the caller.
     returnValue = JNFNewObject(env, jm_arrayListCons);

     for(NSString *locale in selectableArray) {
         jobject localeObj = CreateLocaleObjectFromNSString(env, locale);
         if (localeObj == NULL) {
             break;
         }

         if (JNFCallBooleanMethod(env, returnValue, jm_listContains, localeObj) == JNI_FALSE) {
             JNFCallBooleanMethod(env, returnValue, jm_listAdd, localeObj);
         }

         (*env)->DeleteLocalRef(env, localeObj);
     }
     [selectableArray release];
 JNF_COCOA_EXIT(env);
     return returnValue;
 }
	/*
	* Copyright (c) 2011, 2014, Oracle and/or its affiliates. All rights reserved.
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	#import <Cocoa/Cocoa.h>
	#include <objc/objc-runtime.h>

	#import "sun_lwawt_macosx_CInputMethod.h"
	#import "sun_lwawt_macosx_CInputMethodDescriptor.h"
	#import "ThreadUtilities.h"
	#import "AWTView.h"

	#import <JavaNativeFoundation/JavaNativeFoundation.h>
	#import <JavaRuntimeSupport/JavaRuntimeSupport.h>

	#define JAVA_LIST @"JAVA_LIST"
	#define CURRENT_KB_DESCRIPTION @"CURRENT_KB_DESCRIPTION"

	static JNF_CLASS_CACHE(jc_localeClass, "java/util/Locale");
	static JNF_CTOR_CACHE(jm_localeCons, jc_localeClass, "(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)V");
	static JNF_CLASS_CACHE(jc_arrayListClass, "java/util/ArrayList");
	static JNF_CTOR_CACHE(jm_arrayListCons, jc_arrayListClass, "()V");
	static JNF_MEMBER_CACHE(jm_listAdd, jc_arrayListClass, "add", "(Ljava/lang/Object;)Z");
	static JNF_MEMBER_CACHE(jm_listContains, jc_arrayListClass, "contains", "(Ljava/lang/Object;)Z");



	//
	// NOTE: This returns a JNI Local Ref. Any code that calls must call DeleteLocalRef with the return value.
	//
	static jobject CreateLocaleObjectFromNSString(JNIEnv env, NSString name)
	{
	// Break apart the string into its components.
	// First, duplicate the NSString into a C string, since we're going to modify it.
	char * language = strdup([name UTF8String]);
	char * country;
	char * variant;

	// Convert _ to NULL -- this gives us three null terminated strings in place.
	for (country = language; country != '_' && country != '\0'; country++);
	if (*country == '_') {
	*country++ = '\0';
	for (variant = country; variant != '_' && variant != '\0'; variant++);
	if (*variant == '_') {
	*variant++ = '\0';
	}
	} else {
	variant = country;
	}

	// Create the java.util.Locale object
	jobject localeObj = NULL;
	jobject langObj = (*env)->NewStringUTF(env, language);
	if (langObj != NULL) {
	jobject ctryObj = (*env)->NewStringUTF(env, country);
	if(ctryObj != NULL) {
	jobject vrntObj = (*env)->NewStringUTF(env, variant);
	if (vrntObj != NULL) {
	localeObj = JNFNewObject(env, jm_localeCons,langObj, ctryObj,
	vrntObj);
	(*env)->DeleteLocalRef(env, vrntObj);
	}
	(*env)->DeleteLocalRef(env, ctryObj);
	}
	(*env)->DeleteLocalRef(env, langObj);
	}
	// Clean up and return.
	free(language);
	return localeObj;
	}

	static id inputMethodController = nil;

	static void initializeInputMethodController() {
	static BOOL checkedJRSInputMethodController = NO;
	if (!checkedJRSInputMethodController && (inputMethodController == nil)) {
	id jrsInputMethodController = objc_lookUpClass("JRSInputMethodController");
	if (jrsInputMethodController != nil) {
	inputMethodController = [jrsInputMethodController performSelector:@selector(controller)];
	}
	checkedJRSInputMethodController = YES;
	}
	}


	@interface CInputMethod : NSObject {}
	@end

	@implementation CInputMethod

	+ (void) setKeyboardLayout:(NSString *)theLocale
	{
	AWT_ASSERT_APPKIT_THREAD;
	if (!inputMethodController) return;

	[inputMethodController performSelector:@selector(setCurrentInputMethodForLocale) withObject:theLocale];
	}

	+ (void) _nativeNotifyPeerWithView:(AWTView )view inputMethod:(JNFJObjectWrapper ) inputMethod {
	AWT_ASSERT_APPKIT_THREAD;

	if (!view) return;
	if (!inputMethod) return;

	[view setInputMethod:[inputMethod jObject]];
	}

	+ (void) _nativeEndComposition:(AWTView *)view {
	if (view == nil) return;

	[view abandonInput];
	}


	@end

	/*
	* Class: sun_lwawt_macosx_CInputMethod
	* Method: nativeInit
	* Signature: ();
	*/
	JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CInputMethod_nativeInit
	(JNIEnv *env, jclass klass)
	{
	initializeInputMethodController();
	}

	/*
	* Class: sun_lwawt_macosx_CInputMethod
	* Method: nativeGetCurrentInputMethodInfo
	* Signature: ()Ljava/lang/String;
	*/
	JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CInputMethod_nativeGetCurrentInputMethodInfo
	(JNIEnv *env, jclass klass)
	{
	if (!inputMethodController) return NULL;
	jobject returnValue = 0;
	__block NSString *keyboardInfo = NULL;
	JNF_COCOA_ENTER(env);

	[ThreadUtilities performOnMainThreadWaiting:YES block:^(){
	keyboardInfo = [inputMethodController performSelector:@selector(currentInputMethodName)];
	[keyboardInfo retain];
	}];

	if (keyboardInfo == nil) return NULL;
	returnValue = JNFNSToJavaString(env, keyboardInfo);
	[keyboardInfo release];

	JNF_COCOA_EXIT(env);
	return returnValue;
	}

	/*
	* Class: sun_lwawt_macosx_CInputMethod
	* Method: nativeActivate
	* Signature: (JLsun/lwawt/macosx/CInputMethod;)V
	*/
	JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CInputMethod_nativeNotifyPeer
	(JNIEnv *env, jobject this, jlong nativePeer, jobject inputMethod)
	{
	JNF_COCOA_ENTER(env);
	AWTView view = (AWTView )jlong_to_ptr(nativePeer);
	JNFJObjectWrapper *inputMethodWrapper = [[JNFJObjectWrapper alloc] initWithJObject:inputMethod withEnv:env];
	[ThreadUtilities performOnMainThreadWaiting:NO block:^(){
	[CInputMethod _nativeNotifyPeerWithView:view inputMethod:inputMethodWrapper];
	}];

	JNF_COCOA_EXIT(env);

	}

	/*
	* Class: sun_lwawt_macosx_CInputMethod
	* Method: nativeEndComposition
	* Signature: (J)V
	*/
	JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CInputMethod_nativeEndComposition
	(JNIEnv *env, jobject this, jlong nativePeer)
	{
	JNF_COCOA_ENTER(env);
	AWTView view = (AWTView )jlong_to_ptr(nativePeer);

	[ThreadUtilities performOnMainThreadWaiting:NO block:^(){
	[CInputMethod _nativeEndComposition:view];
	}];

	JNF_COCOA_EXIT(env);
	}

	/*
	* Class: sun_lwawt_macosx_CInputMethod
	* Method: getNativeLocale
	* Signature: ()Ljava/util/Locale;
	*/
	JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CInputMethod_getNativeLocale
	(JNIEnv *env, jobject this)
	{
	if (!inputMethodController) return NULL;
	jobject returnValue = 0;
	__block NSString *isoAbbreviation;
	JNF_COCOA_ENTER(env);

	[ThreadUtilities performOnMainThreadWaiting:YES block:^(){
	isoAbbreviation = (NSString *) [inputMethodController performSelector:@selector(currentInputMethodLocale)];
	[isoAbbreviation retain];
	}];

	if (isoAbbreviation == nil) return NULL;

	static NSString *sLastKeyboardStr = nil;
	static jobject sLastKeyboardLocaleObj = NULL;

	if (![isoAbbreviation isEqualTo:sLastKeyboardStr]) {
	[sLastKeyboardStr release];
	sLastKeyboardStr = [isoAbbreviation retain];
	jobject localObj = CreateLocaleObjectFromNSString(env, isoAbbreviation);
	[isoAbbreviation release];

	if (sLastKeyboardLocaleObj) {
	JNFDeleteGlobalRef(env, sLastKeyboardLocaleObj);
	sLastKeyboardLocaleObj = NULL;
	}
	if (localObj != NULL) {
	sLastKeyboardLocaleObj = JNFNewGlobalRef(env, localObj);
	(*env)->DeleteLocalRef(env, localObj);
	}
	}

	returnValue = sLastKeyboardLocaleObj;

	JNF_COCOA_EXIT(env);
	return returnValue;
	}


	/*
	* Class: sun_lwawt_macosx_CInputMethod
	* Method: setNativeLocale
	* Signature: (Ljava/lang/String;Z)Z
	*/
	JNIEXPORT jboolean JNICALL Java_sun_lwawt_macosx_CInputMethod_setNativeLocale
	(JNIEnv *env, jobject this, jstring locale, jboolean isActivating)
	{
	JNF_COCOA_ENTER(env);
	NSString *localeStr = JNFJavaToNSString(env, locale);
	[localeStr retain];

	[ThreadUtilities performOnMainThreadWaiting:YES block:^(){
	[CInputMethod setKeyboardLayout:localeStr];
	}];

	[localeStr release];
	JNF_COCOA_EXIT(env);
	return JNI_TRUE;
	}

	/*
	* Class: sun_lwawt_macosx_CInputMethodDescriptor
	* Method: nativeInit
	* Signature: ();
	*/
	JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CInputMethodDescriptor_nativeInit
	(JNIEnv *env, jclass klass)
	{
	initializeInputMethodController();
	}

	/*
	* Class: sun_lwawt_macosx_CInputMethodDescriptor
	* Method: nativeGetAvailableLocales
	* Signature: ()[Ljava/util/Locale;
	*/
	JNIEXPORT jobject JNICALL Java_sun_lwawt_macosx_CInputMethodDescriptor_nativeGetAvailableLocales
	(JNIEnv *env, jclass klass)
	{
	if (!inputMethodController) return NULL;
	jobject returnValue = 0;

	__block NSArray *selectableArray = nil;
	JNF_COCOA_ENTER(env);

	[ThreadUtilities performOnMainThreadWaiting:YES block:^(){
	selectableArray = (NSArray *)[inputMethodController performSelector:@selector(availableInputMethodLocales)];
	[selectableArray retain];
	}];

	if (selectableArray == nil) return NULL;

	// Create an ArrayList to return back to the caller.
	returnValue = JNFNewObject(env, jm_arrayListCons);

	for(NSString *locale in selectableArray) {
	jobject localeObj = CreateLocaleObjectFromNSString(env, locale);
	if (localeObj == NULL) {
	break;
	}

	if (JNFCallBooleanMethod(env, returnValue, jm_listContains, localeObj) == JNI_FALSE) {
	JNFCallBooleanMethod(env, returnValue, jm_listAdd, localeObj);
	}

	(*env)->DeleteLocalRef(env, localeObj);
	}
	[selectableArray release];
	JNF_COCOA_EXIT(env);
	return returnValue;
	}