| /* |
| * Copyright (c) 2011, 2016, 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. |
| */ |
| |
| // External Java Accessibility links: |
| // |
| // <https://docs.oracle.com/javase/8/docs/technotes/guides/access/index.html> |
| // <http://www-106.ibm.com/developerworks/library/j-access/?n-j-10172> |
| // <http://archives.java.sun.com/archives/java-access.html> (Sun's mailing list for Java accessibility) |
| |
| #import "JavaComponentAccessibility.h" |
| |
| #import "sun_lwawt_macosx_CAccessibility.h" |
| |
| #import <AppKit/AppKit.h> |
| |
| #import <JavaNativeFoundation/JavaNativeFoundation.h> |
| #import <JavaRuntimeSupport/JavaRuntimeSupport.h> |
| |
| #import <dlfcn.h> |
| |
| #import "JavaAccessibilityAction.h" |
| #import "JavaAccessibilityUtilities.h" |
| #import "JavaTextAccessibility.h" |
| #import "ThreadUtilities.h" |
| #import "AWTView.h" |
| |
| |
| // these constants are duplicated in CAccessibility.java |
| #define JAVA_AX_ALL_CHILDREN (-1) |
| #define JAVA_AX_SELECTED_CHILDREN (-2) |
| #define JAVA_AX_VISIBLE_CHILDREN (-3) |
| // If the value is >=0, it's an index |
| |
| static JNF_STATIC_MEMBER_CACHE(jm_getChildrenAndRoles, sjc_CAccessibility, "getChildrenAndRoles", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;IZ)[Ljava/lang/Object;"); |
| static JNF_STATIC_MEMBER_CACHE(sjm_getAccessibleComponent, sjc_CAccessibility, "getAccessibleComponent", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)Ljavax/accessibility/AccessibleComponent;"); |
| static JNF_STATIC_MEMBER_CACHE(sjm_getAccessibleValue, sjc_CAccessibility, "getAccessibleValue", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)Ljavax/accessibility/AccessibleValue;"); |
| static JNF_STATIC_MEMBER_CACHE(sjm_getAccessibleName, sjc_CAccessibility, "getAccessibleName", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)Ljava/lang/String;"); |
| static JNF_STATIC_MEMBER_CACHE(sjm_getAccessibleDescription, sjc_CAccessibility, "getAccessibleDescription", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)Ljava/lang/String;"); |
| static JNF_STATIC_MEMBER_CACHE(sjm_isFocusTraversable, sjc_CAccessibility, "isFocusTraversable", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)Z"); |
| static JNF_STATIC_MEMBER_CACHE(sjm_getAccessibleIndexInParent, sjc_CAccessibility, "getAccessibleIndexInParent", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)I"); |
| |
| static JNF_CLASS_CACHE(sjc_CAccessible, "sun/lwawt/macosx/CAccessible"); |
| |
| static JNF_MEMBER_CACHE(jf_ptr, sjc_CAccessible, "ptr", "J"); |
| static JNF_STATIC_MEMBER_CACHE(sjm_getCAccessible, sjc_CAccessible, "getCAccessible", "(Ljavax/accessibility/Accessible;)Lsun/lwawt/macosx/CAccessible;"); |
| |
| static jobject sAccessibilityClass = NULL; |
| |
| // sAttributeNamesForRoleCache holds the names of the attributes to which each java |
| // AccessibleRole responds (see AccessibleRole.java). |
| // This cache is queried before attempting to access a given attribute for a particular role. |
| static NSMutableDictionary *sAttributeNamesForRoleCache = nil; |
| static NSObject *sAttributeNamesLOCK = nil; |
| |
| @interface TabGroupAccessibility : JavaComponentAccessibility { |
| NSInteger _numTabs; |
| } |
| |
| - (id)currentTabWithEnv:(JNIEnv *)env withAxContext:(jobject)axContext; |
| - (NSArray *)tabControlsWithEnv:(JNIEnv *)env withTabGroupAxContext:(jobject)axContext withTabCode:(NSInteger)whichTabs allowIgnored:(BOOL)allowIgnored; |
| - (NSArray *)contentsWithEnv:(JNIEnv *)env withTabGroupAxContext:(jobject)axContext withTabCode:(NSInteger)whichTabs allowIgnored:(BOOL)allowIgnored; |
| - (NSArray *)initializeAttributeNamesWithEnv:(JNIEnv *)env; |
| |
| - (NSArray *)accessibilityArrayAttributeValues:(NSString *)attribute index:(NSUInteger)index maxCount:(NSUInteger)maxCount; |
| - (NSArray *)accessibilityChildrenAttribute; |
| - (id) accessibilityTabsAttribute; |
| - (BOOL)accessibilityIsTabsAttributeSettable; |
| - (NSArray *)accessibilityContentsAttribute; |
| - (BOOL)accessibilityIsContentsAttributeSettable; |
| - (id) accessibilityValueAttribute; |
| |
| @end |
| |
| |
| @interface TabGroupControlAccessibility : JavaComponentAccessibility { |
| jobject fTabGroupAxContext; |
| } |
| - (id)initWithParent:(NSObject *)parent withEnv:(JNIEnv *)env withAccessible:(jobject)accessible withIndex:(jint)index withTabGroup:(jobject)tabGroup withView:(NSView *)view withJavaRole:(NSString *)javaRole; |
| - (jobject)tabGroup; |
| - (void)getActionsWithEnv:(JNIEnv *)env; |
| |
| - (id)accessibilityValueAttribute; |
| @end |
| |
| |
| @interface ScrollAreaAccessibility : JavaComponentAccessibility { |
| |
| } |
| - (NSArray *)initializeAttributeNamesWithEnv:(JNIEnv *)env; |
| - (NSArray *)accessibilityContentsAttribute; |
| - (BOOL)accessibilityIsContentsAttributeSettable; |
| - (id)accessibilityVerticalScrollBarAttribute; |
| - (BOOL)accessibilityIsVerticalScrollBarAttributeSettable; |
| - (id)accessibilityHorizontalScrollBarAttribute; |
| - (BOOL)accessibilityIsHorizontalScrollBarAttributeSettable; |
| @end |
| |
| |
| @implementation JavaComponentAccessibility |
| |
| - (NSString *)description |
| { |
| return [NSString stringWithFormat:@"%@(title:'%@', desc:'%@', value:'%@')", [self accessibilityRoleAttribute], |
| [self accessibilityTitleAttribute], [self accessibilityRoleDescriptionAttribute], [self accessibilityValueAttribute]]; |
| } |
| |
| - (id)initWithParent:(NSObject *)parent withEnv:(JNIEnv *)env withAccessible:(jobject)accessible withIndex:(jint)index withView:(NSView *)view withJavaRole:(NSString *)javaRole |
| { |
| self = [super init]; |
| if (self) |
| { |
| fParent = [parent retain]; |
| fView = [view retain]; |
| fJavaRole = [javaRole retain]; |
| |
| fAccessible = (*env)->NewWeakGlobalRef(env, accessible); |
| (*env)->ExceptionClear(env); // in case of OOME |
| jobject jcomponent = [(AWTView *)fView awtComponent:env]; |
| fComponent = (*env)->NewWeakGlobalRef(env, jcomponent); |
| (*env)->DeleteLocalRef(env, jcomponent); |
| |
| fIndex = index; |
| |
| fActions = nil; |
| fActionsLOCK = [[NSObject alloc] init]; |
| } |
| return self; |
| } |
| |
| - (void)unregisterFromCocoaAXSystem |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| static dispatch_once_t initialize_unregisterUniqueId_once; |
| static void (*unregisterUniqueId)(id); |
| dispatch_once(&initialize_unregisterUniqueId_once, ^{ |
| void *jrsFwk = dlopen("/System/Library/Frameworks/JavaVM.framework/Frameworks/JavaRuntimeSupport.framework/JavaRuntimeSupport", RTLD_LAZY | RTLD_LOCAL); |
| unregisterUniqueId = dlsym(jrsFwk, "JRSAccessibilityUnregisterUniqueIdForUIElement"); |
| }); |
| if (unregisterUniqueId) unregisterUniqueId(self); |
| } |
| |
| - (void)dealloc |
| { |
| [self unregisterFromCocoaAXSystem]; |
| |
| JNIEnv *env = [ThreadUtilities getJNIEnvUncached]; |
| |
| (*env)->DeleteWeakGlobalRef(env, fAccessible); |
| fAccessible = NULL; |
| |
| (*env)->DeleteWeakGlobalRef(env, fComponent); |
| fComponent = NULL; |
| |
| [fParent release]; |
| fParent = nil; |
| |
| [fNSRole release]; |
| fNSRole = nil; |
| |
| [fJavaRole release]; |
| fJavaRole = nil; |
| |
| [fView release]; |
| fView = nil; |
| |
| [fActions release]; |
| fActions = nil; |
| |
| [fActionsLOCK release]; |
| fActionsLOCK = nil; |
| |
| [super dealloc]; |
| } |
| |
| - (void)postValueChanged |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| NSAccessibilityPostNotification(self, NSAccessibilityValueChangedNotification); |
| } |
| |
| - (void)postSelectedTextChanged |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| NSAccessibilityPostNotification(self, NSAccessibilitySelectedTextChangedNotification); |
| } |
| |
| - (void)postSelectionChanged |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| NSAccessibilityPostNotification(self, NSAccessibilitySelectedChildrenChangedNotification); |
| } |
| |
| - (void)postMenuOpened |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| NSAccessibilityPostNotification(self, (NSString *)kAXMenuOpenedNotification); |
| } |
| |
| - (void)postMenuClosed |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| NSAccessibilityPostNotification(self, (NSString *)kAXMenuClosedNotification); |
| } |
| |
| - (void)postMenuItemSelected |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| NSAccessibilityPostNotification(self, (NSString *)kAXMenuItemSelectedNotification); |
| } |
| |
| - (BOOL)isEqual:(id)anObject |
| { |
| if (![anObject isKindOfClass:[self class]]) return NO; |
| JavaComponentAccessibility *accessibility = (JavaComponentAccessibility *)anObject; |
| |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| return (*env)->IsSameObject(env, accessibility->fAccessible, fAccessible); |
| } |
| |
| - (BOOL)isAccessibleWithEnv:(JNIEnv *)env forAccessible:(jobject)accessible |
| { |
| return (*env)->IsSameObject(env, fAccessible, accessible); |
| } |
| |
| + (void)initialize |
| { |
| if (sAttributeNamesForRoleCache == nil) { |
| sAttributeNamesLOCK = [[NSObject alloc] init]; |
| sAttributeNamesForRoleCache = [[NSMutableDictionary alloc] initWithCapacity:60]; |
| } |
| |
| if (sRoles == nil) { |
| initializeRoles(); |
| } |
| |
| if (sAccessibilityClass == NULL) { |
| JNF_STATIC_MEMBER_CACHE(jm_getAccessibility, sjc_CAccessibility, "getAccessibility", "([Ljava/lang/String;)Lsun/lwawt/macosx/CAccessibility;"); |
| |
| #ifdef JAVA_AX_NO_IGNORES |
| NSArray *ignoredKeys = [NSArray array]; |
| #else |
| NSArray *ignoredKeys = [sRoles allKeysForObject:JavaAccessibilityIgnore]; |
| #endif |
| jobjectArray result = NULL; |
| jsize count = [ignoredKeys count]; |
| |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| |
| static JNF_CLASS_CACHE(jc_String, "java/lang/String"); |
| result = JNFNewObjectArray(env, &jc_String, count); |
| if (!result) { |
| NSLog(@"In %s, can't create Java array of String objects", __FUNCTION__); |
| return; |
| } |
| |
| NSInteger i; |
| for (i = 0; i < count; i++) { |
| jstring jString = JNFNSToJavaString(env, [ignoredKeys objectAtIndex:i]); |
| (*env)->SetObjectArrayElement(env, result, i, jString); |
| (*env)->DeleteLocalRef(env, jString); |
| } |
| |
| sAccessibilityClass = JNFCallStaticObjectMethod(env, jm_getAccessibility, result); // AWT_THREADING Safe (known object) |
| } |
| } |
| |
| + (void)postFocusChanged:(id)message |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| NSAccessibilityPostNotification([NSApp accessibilityFocusedUIElement], NSAccessibilityFocusedUIElementChangedNotification); |
| } |
| |
| + (jobject) getCAccessible:(jobject)jaccessible withEnv:(JNIEnv *)env { |
| if (JNFIsInstanceOf(env, jaccessible, &sjc_CAccessible)) { |
| return jaccessible; |
| } else if (JNFIsInstanceOf(env, jaccessible, &sjc_Accessible)) { |
| return JNFCallStaticObjectMethod(env, sjm_getCAccessible, jaccessible); |
| } |
| return NULL; |
| } |
| |
| + (NSArray *)childrenOfParent:(JavaComponentAccessibility *)parent withEnv:(JNIEnv *)env withChildrenCode:(NSInteger)whichChildren allowIgnored:(BOOL)allowIgnored |
| { |
| if (parent->fAccessible == NULL) return nil; |
| jobjectArray jchildrenAndRoles = (jobjectArray)JNFCallStaticObjectMethod(env, jm_getChildrenAndRoles, parent->fAccessible, parent->fComponent, whichChildren, allowIgnored); // AWT_THREADING Safe (AWTRunLoop) |
| if (jchildrenAndRoles == NULL) return nil; |
| |
| jsize arrayLen = (*env)->GetArrayLength(env, jchildrenAndRoles); |
| NSMutableArray *children = [NSMutableArray arrayWithCapacity:arrayLen/2]; //childrenAndRoles array contains two elements (child, role) for each child |
| |
| NSInteger i; |
| NSUInteger childIndex = (whichChildren >= 0) ? whichChildren : 0; // if we're getting one particular child, make sure to set its index correctly |
| for(i = 0; i < arrayLen; i+=2) |
| { |
| jobject /* Accessible */ jchild = (*env)->GetObjectArrayElement(env, jchildrenAndRoles, i); |
| jobject /* String */ jchildJavaRole = (*env)->GetObjectArrayElement(env, jchildrenAndRoles, i+1); |
| |
| NSString *childJavaRole = nil; |
| if (jchildJavaRole != NULL) { |
| jobject jkey = JNFGetObjectField(env, jchildJavaRole, sjf_key); |
| childJavaRole = JNFJavaToNSString(env, jkey); |
| (*env)->DeleteLocalRef(env, jkey); |
| } |
| |
| JavaComponentAccessibility *child = [self createWithParent:parent accessible:jchild role:childJavaRole index:childIndex withEnv:env withView:parent->fView]; |
| |
| (*env)->DeleteLocalRef(env, jchild); |
| (*env)->DeleteLocalRef(env, jchildJavaRole); |
| |
| [children addObject:child]; |
| childIndex++; |
| } |
| (*env)->DeleteLocalRef(env, jchildrenAndRoles); |
| |
| return children; |
| } |
| |
| + (JavaComponentAccessibility *)createWithAccessible:(jobject)jaccessible withEnv:(JNIEnv *)env withView:(NSView *)view |
| { |
| JavaComponentAccessibility *ret = nil; |
| jobject jcomponent = [(AWTView *)view awtComponent:env]; |
| jint index = JNFCallStaticIntMethod(env, sjm_getAccessibleIndexInParent, jaccessible, jcomponent); |
| if (index >= 0) { |
| NSString *javaRole = getJavaRole(env, jaccessible, jcomponent); |
| ret = [self createWithAccessible:jaccessible role:javaRole index:index withEnv:env withView:view]; |
| } |
| (*env)->DeleteLocalRef(env, jcomponent); |
| return ret; |
| } |
| |
| + (JavaComponentAccessibility *) createWithAccessible:(jobject)jaccessible role:(NSString *)javaRole index:(jint)index withEnv:(JNIEnv *)env withView:(NSView *)view |
| { |
| return [self createWithParent:nil accessible:jaccessible role:javaRole index:index withEnv:env withView:view]; |
| } |
| |
| + (JavaComponentAccessibility *) createWithParent:(JavaComponentAccessibility *)parent accessible:(jobject)jaccessible role:(NSString *)javaRole index:(jint)index withEnv:(JNIEnv *)env withView:(NSView *)view |
| { |
| // try to fetch the jCAX from Java, and return autoreleased |
| jobject jCAX = [JavaComponentAccessibility getCAccessible:jaccessible withEnv:env]; |
| if (jCAX == NULL) return nil; |
| JavaComponentAccessibility *value = (JavaComponentAccessibility *) jlong_to_ptr(JNFGetLongField(env, jCAX, jf_ptr)); |
| if (value != nil) { |
| (*env)->DeleteLocalRef(env, jCAX); |
| return [[value retain] autorelease]; |
| } |
| |
| // otherwise, create a new instance |
| JavaComponentAccessibility *newChild = nil; |
| if ([javaRole isEqualToString:@"pagetablist"]) { |
| newChild = [TabGroupAccessibility alloc]; |
| } else if ([javaRole isEqualToString:@"scrollpane"]) { |
| newChild = [ScrollAreaAccessibility alloc]; |
| } else { |
| NSString *nsRole = [sRoles objectForKey:javaRole]; |
| if ([nsRole isEqualToString:NSAccessibilityStaticTextRole] || [nsRole isEqualToString:NSAccessibilityTextAreaRole] || [nsRole isEqualToString:NSAccessibilityTextFieldRole]) { |
| newChild = [JavaTextAccessibility alloc]; |
| } else { |
| newChild = [JavaComponentAccessibility alloc]; |
| } |
| } |
| |
| // must init freshly -alloc'd object |
| [newChild initWithParent:parent withEnv:env withAccessible:jCAX withIndex:index withView:view withJavaRole:javaRole]; // must init new instance |
| |
| // If creating a JPopupMenu (not a combobox popup list) need to fire menuOpened. |
| // This is the only way to know if the menu is opening; visible state change |
| // can't be caught because the listeners are not set up in time. |
| if ( [javaRole isEqualToString:@"popupmenu"] && |
| ![[parent javaRole] isEqualToString:@"combobox"] ) { |
| [newChild postMenuOpened]; |
| } |
| |
| // must hard retain pointer poked into Java object |
| [newChild retain]; |
| JNFSetLongField(env, jCAX, jf_ptr, ptr_to_jlong(newChild)); |
| (*env)->DeleteLocalRef(env, jCAX); |
| |
| // return autoreleased instance |
| return [newChild autorelease]; |
| } |
| |
| - (NSArray *)initializeAttributeNamesWithEnv:(JNIEnv *)env |
| { |
| static JNF_STATIC_MEMBER_CACHE(jm_getInitialAttributeStates, sjc_CAccessibility, "getInitialAttributeStates", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)[Z"); |
| |
| NSMutableArray *attributeNames = [NSMutableArray arrayWithCapacity:20]; |
| [attributeNames retain]; |
| |
| // all elements respond to parent, role, role description, window, topLevelUIElement, help |
| [attributeNames addObject:NSAccessibilityParentAttribute]; |
| [attributeNames addObject:NSAccessibilityRoleAttribute]; |
| [attributeNames addObject:NSAccessibilityRoleDescriptionAttribute]; |
| [attributeNames addObject:NSAccessibilityHelpAttribute]; |
| |
| // cmcnote: AXMenu usually doesn't respond to window / topLevelUIElement. But menus within a Java app's window |
| // probably should. Should we use some role other than AXMenu / AXMenuBar for Java menus? |
| [attributeNames addObject:NSAccessibilityWindowAttribute]; |
| [attributeNames addObject:NSAccessibilityTopLevelUIElementAttribute]; |
| |
| // set accessible subrole |
| NSString *javaRole = [self javaRole]; |
| if (javaRole != nil && [javaRole isEqualToString:@"passwordtext"]) { |
| //cmcnote: should turn this into a constant |
| [attributeNames addObject:NSAccessibilitySubroleAttribute]; |
| } |
| |
| // Get all the other accessibility attributes states we need in one swell foop. |
| // javaRole isn't pulled in because we need protected access to AccessibleRole.key |
| jbooleanArray attributeStates = (jbooleanArray)JNFCallStaticObjectMethod(env, jm_getInitialAttributeStates, fAccessible, fComponent); // AWT_THREADING Safe (AWTRunLoop) |
| if (attributeStates == NULL) return nil; |
| jboolean *attributeStatesArray = (*env)->GetBooleanArrayElements(env, attributeStates, 0); |
| if (attributeStatesArray == NULL) { |
| // Note: Java will not be on the stack here so a java exception can't happen and no need to call ExceptionCheck. |
| NSLog(@"%s failed calling GetBooleanArrayElements", __FUNCTION__); |
| return nil; |
| } |
| |
| // if there's a component, it can be enabled and it has a size/position |
| if (attributeStatesArray[0]) { |
| [attributeNames addObject:NSAccessibilityEnabledAttribute]; |
| [attributeNames addObject:NSAccessibilitySizeAttribute]; |
| [attributeNames addObject:NSAccessibilityPositionAttribute]; |
| } |
| |
| // According to javadoc, a component that is focusable will return true from isFocusTraversable, |
| // as well as having AccessibleState.FOCUSABLE in it's AccessibleStateSet. |
| // We use the former heuristic; if the component focus-traversable, add a focused attribute |
| // See also: accessibilityIsFocusedAttributeSettable |
| if (attributeStatesArray[1]) |
| { |
| [attributeNames addObject:NSAccessibilityFocusedAttribute]; |
| } |
| |
| // if it's a pagetab / radiobutton, it has a value but no min/max value. |
| BOOL hasAxValue = attributeStatesArray[2]; |
| if ([javaRole isEqualToString:@"pagetab"] || [javaRole isEqualToString:@"radiobutton"]) { |
| [attributeNames addObject:NSAccessibilityValueAttribute]; |
| } else { |
| // if not a pagetab/radio button, and it has a value, it has a min/max/current value. |
| if (hasAxValue) { |
| // er, it has a min/max/current value if it's not a button. |
| // See AppKit/NSButtonCellAccessibility.m |
| if (![javaRole isEqualToString:@"pushbutton"]) { |
| //cmcnote: make this (and "passwordtext") constants instead of magic strings |
| [attributeNames addObject:NSAccessibilityMinValueAttribute]; |
| [attributeNames addObject:NSAccessibilityMaxValueAttribute]; |
| [attributeNames addObject:NSAccessibilityValueAttribute]; |
| } |
| } |
| } |
| |
| // does it have an orientation? |
| if (attributeStatesArray[4]) { |
| [attributeNames addObject:NSAccessibilityOrientationAttribute]; |
| } |
| |
| // name |
| if (attributeStatesArray[5]) { |
| [attributeNames addObject:NSAccessibilityTitleAttribute]; |
| } |
| |
| // children |
| if (attributeStatesArray[6]) { |
| [attributeNames addObject:NSAccessibilityChildrenAttribute]; |
| if ([javaRole isEqualToString:@"list"]) { |
| [attributeNames addObject:NSAccessibilitySelectedChildrenAttribute]; |
| [attributeNames addObject:NSAccessibilityVisibleChildrenAttribute]; |
| } |
| // Just above, the below mentioned support has been added back in for lists. |
| // However, the following comments may still be useful for future fixes. |
| // [attributeNames addObject:NSAccessibilitySelectedChildrenAttribute]; |
| // [attributeNames addObject:NSAccessibilityVisibleChildrenAttribute]; |
| //According to AXRoles.txt: |
| //VisibleChildren: radio group, list, row, table row subrole |
| //SelectedChildren: list |
| } |
| |
| // Cleanup |
| (*env)->ReleaseBooleanArrayElements(env, attributeStates, attributeStatesArray, JNI_ABORT); |
| |
| return attributeNames; |
| } |
| |
| - (NSDictionary *)getActions:(JNIEnv *)env |
| { |
| @synchronized(fActionsLOCK) { |
| if (fActions == nil) { |
| fActions = [[NSMutableDictionary alloc] initWithCapacity:3]; |
| [self getActionsWithEnv:env]; |
| } |
| } |
| |
| return fActions; |
| } |
| |
| - (void)getActionsWithEnv:(JNIEnv *)env |
| { |
| static JNF_STATIC_MEMBER_CACHE(jm_getAccessibleAction, sjc_CAccessibility, "getAccessibleAction", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)Ljavax/accessibility/AccessibleAction;"); |
| |
| // On MacOSX, text doesn't have actions, in java it does. |
| // cmcnote: NOT TRUE - Editable text has AXShowMenu. Textfields have AXConfirm. Static text has no actions. |
| jobject axAction = JNFCallStaticObjectMethod(env, jm_getAccessibleAction, fAccessible, fComponent); // AWT_THREADING Safe (AWTRunLoop) |
| if (axAction != NULL) { |
| //+++gdb NOTE: In MacOSX, there is just a single Action, not multiple. In java, |
| // the first one seems to be the most basic, so this will be used. |
| // cmcnote: NOT TRUE - Sometimes there are multiple actions, eg sliders have AXDecrement AND AXIncrement (radr://3893192) |
| JavaAxAction *action = [[JavaAxAction alloc] initWithEnv:env withAccessibleAction:axAction withIndex:0 withComponent:fComponent]; |
| [fActions setObject:action forKey:[self isMenu] ? NSAccessibilityPickAction : NSAccessibilityPressAction]; |
| [action release]; |
| (*env)->DeleteLocalRef(env, axAction); |
| } |
| } |
| |
| - (jobject)axContextWithEnv:(JNIEnv *)env |
| { |
| return getAxContext(env, fAccessible, fComponent); |
| } |
| |
| - (id)parent |
| { |
| static JNF_CLASS_CACHE(sjc_Window, "java/awt/Window"); |
| static JNF_STATIC_MEMBER_CACHE(sjm_getAccessibleParent, sjc_CAccessibility, "getAccessibleParent", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)Ljavax/accessibility/Accessible;"); |
| static JNF_STATIC_MEMBER_CACHE(sjm_getSwingAccessible, sjc_CAccessible, "getSwingAccessible", "(Ljavax/accessibility/Accessible;)Ljavax/accessibility/Accessible;"); |
| |
| if(fParent == nil) { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| |
| jobject jparent = JNFCallStaticObjectMethod(env, sjm_getAccessibleParent, fAccessible, fComponent); |
| |
| if (jparent == NULL) { |
| fParent = fView; |
| } else { |
| AWTView *view = fView; |
| jobject jax = JNFCallStaticObjectMethod(env, sjm_getSwingAccessible, fAccessible); |
| |
| if (JNFIsInstanceOf(env, jax, &sjc_Window)) { |
| // In this case jparent is an owner toplevel and we should retrieve its own view |
| view = [AWTView awtView:env ofAccessible:jparent]; |
| } |
| if (view != nil) { |
| fParent = [JavaComponentAccessibility createWithAccessible:jparent withEnv:env withView:view]; |
| } |
| if (fParent == nil) { |
| fParent = fView; |
| } |
| (*env)->DeleteLocalRef(env, jparent); |
| (*env)->DeleteLocalRef(env, jax ); |
| } |
| [fParent retain]; |
| } |
| return fParent; |
| } |
| |
| - (NSView *)view |
| { |
| return fView; |
| } |
| |
| - (NSWindow *)window |
| { |
| return [[self view] window]; |
| } |
| |
| - (NSString *)javaRole |
| { |
| if(fJavaRole == nil) { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| fJavaRole = getJavaRole(env, fAccessible, fComponent); |
| [fJavaRole retain]; |
| } |
| return fJavaRole; |
| } |
| |
| - (BOOL)isMenu |
| { |
| id role = [self accessibilityRoleAttribute]; |
| return [role isEqualToString:NSAccessibilityMenuBarRole] || [role isEqualToString:NSAccessibilityMenuRole] || [role isEqualToString:NSAccessibilityMenuItemRole]; |
| } |
| |
| - (BOOL)isSelected:(JNIEnv *)env |
| { |
| if (fIndex == -1) { |
| return NO; |
| } |
| |
| return isChildSelected(env, ((JavaComponentAccessibility *)[self parent])->fAccessible, fIndex, fComponent); |
| } |
| |
| - (BOOL)isSelectable:(JNIEnv *)env |
| { |
| jobject axContext = [self axContextWithEnv:env]; |
| BOOL selectable = isSelectable(env, axContext, fComponent); |
| (*env)->DeleteLocalRef(env, axContext); |
| return selectable; |
| } |
| |
| - (BOOL)isVisible:(JNIEnv *)env |
| { |
| if (fIndex == -1) { |
| return NO; |
| } |
| |
| jobject axContext = [self axContextWithEnv:env]; |
| BOOL showing = isShowing(env, axContext, fComponent); |
| (*env)->DeleteLocalRef(env, axContext); |
| return showing; |
| } |
| |
| // the array of names for each role is cached in the sAttributeNamesForRoleCache |
| - (NSArray *)accessibilityAttributeNames |
| { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| |
| @synchronized(sAttributeNamesLOCK) { |
| NSString *javaRole = [self javaRole]; |
| NSArray *names = |
| (NSArray *)[sAttributeNamesForRoleCache objectForKey:javaRole]; |
| if (names == nil) { |
| names = [self initializeAttributeNamesWithEnv:env]; |
| #ifdef JAVA_AX_DEBUG |
| NSLog(@"Initializing: %s for %@: %@", __FUNCTION__, javaRole, names); |
| #endif |
| [sAttributeNamesForRoleCache setObject:names forKey:javaRole]; |
| } |
| // The above set of attributes is immutable per role, but some objects, if |
| // they are the child of a list, need to add the selected and index attributes. |
| id myParent = [self accessibilityParentAttribute]; |
| if ([myParent isKindOfClass:[JavaComponentAccessibility class]]) { |
| NSString *parentRole = [(JavaComponentAccessibility *)myParent javaRole]; |
| if ([parentRole isEqualToString:@"list"]) { |
| NSMutableArray *moreNames = |
| [[NSMutableArray alloc] initWithCapacity: [names count] + 2]; |
| [moreNames addObjectsFromArray: names]; |
| [moreNames addObject:NSAccessibilitySelectedAttribute]; |
| [moreNames addObject:NSAccessibilityIndexAttribute]; |
| return moreNames; |
| } |
| } |
| // popupmenu's return values not selected children |
| if ( [javaRole isEqualToString:@"popupmenu"] && |
| ![[[self parent] javaRole] isEqualToString:@"combobox"] ) { |
| NSMutableArray *moreNames = |
| [[NSMutableArray alloc] initWithCapacity: [names count] + 1]; |
| [moreNames addObjectsFromArray: names]; |
| [moreNames addObject:NSAccessibilityValueAttribute]; |
| return moreNames; |
| } |
| return names; |
| |
| } // end @synchronized |
| |
| #ifdef JAVA_AX_DEBUG |
| NSLog(@"Warning in %s: could not find attribute names for role: %@", __FUNCTION__, [self javaRole]); |
| #endif |
| |
| return nil; |
| } |
| |
| // -- accessibility attributes -- |
| |
| - (BOOL)accessibilityShouldUseUniqueId { |
| return YES; |
| } |
| |
| - (BOOL)accessibilitySupportsOverriddenAttributes { |
| return YES; |
| } |
| |
| |
| // generic getters & setters |
| // cmcnote: it would make more sense if these generic getters/setters were in JavaAccessibilityUtilities |
| - (id)accessibilityAttributeValue:(NSString *)attribute |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| |
| // turns attribute "NSAccessibilityEnabledAttribute" into getter "accessibilityEnabledAttribute", |
| // calls getter on self |
| return JavaAccessibilityAttributeValue(self, attribute); |
| } |
| |
| - (BOOL)accessibilityIsAttributeSettable:(NSString *)attribute |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| |
| // turns attribute "NSAccessibilityParentAttribute" into selector "accessibilityIsParentAttributeSettable", |
| // calls selector on self |
| return JavaAccessibilityIsAttributeSettable(self, attribute); |
| } |
| |
| - (void)accessibilitySetValue:(id)value forAttribute:(NSString *)attribute |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| |
| if ([self accessibilityIsAttributeSettable:attribute]) { |
| // turns attribute "NSAccessibilityFocusAttribute" into setter "accessibilitySetFocusAttribute", |
| // calls setter on self |
| JavaAccessibilitySetAttributeValue(self, attribute, value); |
| } |
| } |
| |
| |
| // specific attributes, in alphabetical order a la |
| // http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/ObjC_classic/Protocols/NSAccessibility.html |
| |
| // Elements that current element contains (NSArray) |
| - (NSArray *)accessibilityChildrenAttribute |
| { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| NSArray *children = [JavaComponentAccessibility childrenOfParent:self |
| withEnv:env |
| withChildrenCode:JAVA_AX_ALL_CHILDREN |
| allowIgnored:NO]; |
| |
| NSArray *value = nil; |
| if ([children count] > 0) { |
| value = children; |
| } |
| |
| return value; |
| } |
| |
| - (BOOL)accessibilityIsChildrenAttributeSettable |
| { |
| return NO; |
| } |
| |
| - (NSUInteger)accessibilityIndexOfChild:(id)child |
| { |
| // Only special-casing for Lists, for now. This allows lists to be accessible, fixing radr://3856139 "JLists are broken". |
| // Will probably want to special-case for Tables when we implement them (radr://3096643 "Accessibility: Table"). |
| // In AppKit, NSMatrixAccessibility (which uses NSAccessibilityListRole), NSTableRowAccessibility, and NSTableViewAccessibility are the |
| // only ones that override the default implementation in NSAccessibility |
| if (![[self accessibilityRoleAttribute] isEqualToString:NSAccessibilityListRole]) { |
| return [super accessibilityIndexOfChild:child]; |
| } |
| |
| jint returnValue = |
| JNFCallStaticIntMethod( [ThreadUtilities getJNIEnv], |
| sjm_getAccessibleIndexInParent, |
| ((JavaComponentAccessibility *)child)->fAccessible, |
| ((JavaComponentAccessibility *)child)->fComponent ); |
| return (returnValue == -1) ? NSNotFound : returnValue; |
| } |
| |
| // Without this optimization accessibilityChildrenAttribute is called in order to get the entire array of children. |
| - (NSArray *)accessibilityArrayAttributeValues:(NSString *)attribute index:(NSUInteger)index maxCount:(NSUInteger)maxCount { |
| if ( (maxCount == 1) && [attribute isEqualToString:NSAccessibilityChildrenAttribute]) { |
| // Children codes for ALL, SELECTED, VISIBLE are <0. If the code is >=0, we treat it as an index to a single child |
| NSArray *child = [JavaComponentAccessibility childrenOfParent:self withEnv:[ThreadUtilities getJNIEnv] withChildrenCode:(NSInteger)index allowIgnored:NO]; |
| if ([child count] > 0) { |
| return child; |
| } |
| } |
| return [super accessibilityArrayAttributeValues:attribute index:index maxCount:maxCount]; |
| } |
| |
| // Flag indicating enabled state of element (NSNumber) |
| - (NSNumber *)accessibilityEnabledAttribute |
| { |
| static JNF_STATIC_MEMBER_CACHE(jm_isEnabled, sjc_CAccessibility, "isEnabled", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)Z"); |
| |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| NSNumber *value = [NSNumber numberWithBool:JNFCallStaticBooleanMethod(env, jm_isEnabled, fAccessible, fComponent)]; // AWT_THREADING Safe (AWTRunLoop) |
| if (value == nil) { |
| NSLog(@"WARNING: %s called on component that has no accessible component: %@", __FUNCTION__, self); |
| } |
| return value; |
| } |
| |
| - (BOOL)accessibilityIsEnabledAttributeSettable |
| { |
| return NO; |
| } |
| |
| // Flag indicating presence of keyboard focus (NSNumber) |
| - (NSNumber *)accessibilityFocusedAttribute |
| { |
| if ([self accessibilityIsFocusedAttributeSettable]) { |
| return [NSNumber numberWithBool:[self isEqual:[NSApp accessibilityFocusedUIElement]]]; |
| } |
| return [NSNumber numberWithBool:NO]; |
| } |
| |
| - (BOOL)accessibilityIsFocusedAttributeSettable |
| { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| // According to javadoc, a component that is focusable will return true from isFocusTraversable, |
| // as well as having AccessibleState.FOCUSABLE in its AccessibleStateSet. |
| // We use the former heuristic; if the component focus-traversable, add a focused attribute |
| // See also initializeAttributeNamesWithEnv: |
| if (JNFCallStaticBooleanMethod(env, sjm_isFocusTraversable, fAccessible, fComponent)) { // AWT_THREADING Safe (AWTRunLoop) |
| return YES; |
| } |
| |
| return NO; |
| } |
| |
| - (void)accessibilitySetFocusedAttribute:(id)value |
| { |
| static JNF_STATIC_MEMBER_CACHE(jm_requestFocus, sjc_CAccessibility, "requestFocus", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)V"); |
| |
| if ([(NSNumber*)value boolValue]) |
| { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| JNFCallStaticVoidMethod(env, jm_requestFocus, fAccessible, fComponent); // AWT_THREADING Safe (AWTRunLoop) |
| } |
| } |
| |
| // Instance description, such as a help tag string (NSString) |
| - (NSString *)accessibilityHelpAttribute |
| { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| |
| jobject val = JNFCallStaticObjectMethod(env, sjm_getAccessibleDescription, fAccessible, fComponent); // AWT_THREADING Safe (AWTRunLoop) |
| if (val == NULL) { |
| return nil; |
| } |
| NSString* str = JNFJavaToNSString(env, val); |
| (*env)->DeleteLocalRef(env, val); |
| return str; |
| } |
| |
| - (BOOL)accessibilityIsHelpAttributeSettable |
| { |
| return NO; |
| } |
| |
| - (NSValue *)accessibilityIndexAttribute |
| { |
| NSInteger index = fIndex; |
| NSValue *returnValue = [NSValue value:&index withObjCType:@encode(NSInteger)]; |
| return returnValue; |
| } |
| |
| - (BOOL)accessibilityIsIndexAttributeSettable |
| { |
| return NO; |
| } |
| |
| // Element's maximum value (id) |
| - (id)accessibilityMaxValueAttribute |
| { |
| static JNF_STATIC_MEMBER_CACHE(jm_getMaximumAccessibleValue, sjc_CAccessibility, "getMaximumAccessibleValue", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)Ljava/lang/Number;"); |
| |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| |
| jobject axValue = JNFCallStaticObjectMethod(env, jm_getMaximumAccessibleValue, fAccessible, fComponent); // AWT_THREADING Safe (AWTRunLoop) |
| if (axValue == NULL) { |
| return [NSNumber numberWithInt:0]; |
| } |
| NSNumber* num = JNFJavaToNSNumber(env, axValue); |
| (*env)->DeleteLocalRef(env, axValue); |
| return num; |
| } |
| |
| - (BOOL)accessibilityIsMaxValueAttributeSettable |
| { |
| return NO; |
| } |
| |
| // Element's minimum value (id) |
| - (id)accessibilityMinValueAttribute |
| { |
| static JNF_STATIC_MEMBER_CACHE(jm_getMinimumAccessibleValue, sjc_CAccessibility, "getMinimumAccessibleValue", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)Ljava/lang/Number;"); |
| |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| |
| jobject axValue = JNFCallStaticObjectMethod(env, jm_getMinimumAccessibleValue, fAccessible, fComponent); // AWT_THREADING Safe (AWTRunLoop) |
| if (axValue == NULL) { |
| return [NSNumber numberWithInt:0]; |
| } |
| NSNumber* num = JNFJavaToNSNumber(env, axValue); |
| (*env)->DeleteLocalRef(env, axValue); |
| return num; |
| } |
| |
| - (BOOL)accessibilityIsMinValueAttributeSettable |
| { |
| return NO; |
| } |
| |
| - (id)accessibilityOrientationAttribute |
| { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| jobject axContext = [self axContextWithEnv:env]; |
| |
| // cmcnote - should batch these two calls into one that returns an array of two bools, one for vertical and one for horiz |
| if (isVertical(env, axContext, fComponent)) { |
| (*env)->DeleteLocalRef(env, axContext); |
| return NSAccessibilityVerticalOrientationValue; |
| } |
| |
| if (isHorizontal(env, axContext, fComponent)) { |
| (*env)->DeleteLocalRef(env, axContext); |
| return NSAccessibilityHorizontalOrientationValue; |
| } |
| |
| (*env)->DeleteLocalRef(env, axContext); |
| return nil; |
| } |
| |
| - (BOOL)accessibilityIsOrientationAttributeSettable |
| { |
| return NO; |
| } |
| |
| // Element containing current element (id) |
| - (id)accessibilityParentAttribute |
| { |
| return NSAccessibilityUnignoredAncestor([self parent]); |
| } |
| |
| - (BOOL)accessibilityIsParentAttributeSettable |
| { |
| return NO; |
| } |
| |
| // Screen position of element's lower-left corner in lower-left relative screen coordinates (NSValue) |
| - (NSValue *)accessibilityPositionAttribute |
| { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| jobject axComponent = JNFCallStaticObjectMethod(env, sjm_getAccessibleComponent, fAccessible, fComponent); // AWT_THREADING Safe (AWTRunLoop) |
| |
| // NSAccessibility wants the bottom left point of the object in |
| // bottom left based screen coords |
| |
| // Get the java screen coords, and make a NSPoint of the bottom left of the AxComponent. |
| NSSize size = getAxComponentSize(env, axComponent, fComponent); |
| NSPoint point = getAxComponentLocationOnScreen(env, axComponent, fComponent); |
| (*env)->DeleteLocalRef(env, axComponent); |
| |
| point.y += size.height; |
| |
| // Now make it into Cocoa screen coords. |
| point.y = [[[[self view] window] screen] frame].size.height - point.y; |
| |
| return [NSValue valueWithPoint:point]; |
| } |
| |
| - (BOOL)accessibilityIsPositionAttributeSettable |
| { |
| // In AppKit, position is only settable for a window (NSAccessibilityWindowRole). Our windows are taken care of natively, so we don't need to deal with this here |
| // We *could* make use of Java's AccessibleComponent.setLocation() method. Investigate. radr://3953869 |
| return NO; |
| } |
| |
| // Element type, such as NSAccessibilityRadioButtonRole (NSString). See the role table |
| // at http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/ObjC_classic/Protocols/NSAccessibility.html |
| - (NSString *)accessibilityRoleAttribute |
| { |
| if (fNSRole == nil) { |
| NSString *javaRole = [self javaRole]; |
| fNSRole = [sRoles objectForKey:javaRole]; |
| // The sRoles NSMutableDictionary maps popupmenu to Mac's popup button. |
| // JComboBox behavior currently relies on this. However this is not the |
| // proper mapping for a JPopupMenu so fix that. |
| if ( [javaRole isEqualToString:@"popupmenu"] && |
| ![[[self parent] javaRole] isEqualToString:@"combobox"] ) { |
| fNSRole = NSAccessibilityMenuRole; |
| } |
| if (fNSRole == nil) { |
| // this component has assigned itself a custom AccessibleRole not in the sRoles array |
| fNSRole = javaRole; |
| } |
| [fNSRole retain]; |
| } |
| return fNSRole; |
| } |
| |
| - (BOOL)accessibilityIsRoleAttributeSettable |
| { |
| return NO; |
| } |
| |
| // Localized, user-readable description of role, such as radio button (NSString) |
| - (NSString *)accessibilityRoleDescriptionAttribute |
| { |
| // first ask AppKit for its accessible role description for a given AXRole |
| NSString *value = NSAccessibilityRoleDescription([self accessibilityRoleAttribute], nil); |
| |
| if (value == nil) { |
| // query java if necessary |
| static JNF_STATIC_MEMBER_CACHE(jm_getAccessibleRoleDisplayString, sjc_CAccessibility, "getAccessibleRoleDisplayString", "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)Ljava/lang/String;"); |
| |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| |
| jobject axRole = JNFCallStaticObjectMethod(env, jm_getAccessibleRoleDisplayString, fAccessible, fComponent); |
| if (axRole != NULL) { |
| value = JNFJavaToNSString(env, axRole); |
| (*env)->DeleteLocalRef(env, axRole); |
| } else { |
| value = @"unknown"; |
| } |
| } |
| |
| return value; |
| } |
| |
| - (BOOL)accessibilityIsRoleDescriptionAttributeSettable |
| { |
| return NO; |
| } |
| |
| // Currently selected children (NSArray) |
| - (NSArray *)accessibilitySelectedChildrenAttribute |
| { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| NSArray *selectedChildren = [JavaComponentAccessibility childrenOfParent:self withEnv:env withChildrenCode:JAVA_AX_SELECTED_CHILDREN allowIgnored:NO]; |
| if ([selectedChildren count] > 0) { |
| return selectedChildren; |
| } |
| |
| return nil; |
| } |
| |
| - (BOOL)accessibilityIsSelectedChildrenAttributeSettable |
| { |
| return NO; // cmcnote: actually it should be. so need to write accessibilitySetSelectedChildrenAttribute also |
| } |
| |
| - (NSNumber *)accessibilitySelectedAttribute |
| { |
| return [NSNumber numberWithBool:[self isSelected:[ThreadUtilities getJNIEnv]]]; |
| } |
| |
| - (BOOL)accessibilityIsSelectedAttributeSettable |
| { |
| if ([self isSelectable:[ThreadUtilities getJNIEnv]]) { |
| return YES; |
| } else { |
| return NO; |
| } |
| } |
| |
| - (void)accessibilitySetSelectedAttribute:(id)value |
| { |
| static JNF_STATIC_MEMBER_CACHE( jm_requestSelection, |
| sjc_CAccessibility, |
| "requestSelection", |
| "(Ljavax/accessibility/Accessible;Ljava/awt/Component;)V" ); |
| |
| if ([(NSNumber*)value boolValue]) { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| JNFCallStaticVoidMethod(env, jm_requestSelection, fAccessible, fComponent); // AWT_THREADING Safe (AWTRunLoop) |
| } |
| } |
| |
| // Element size (NSValue) |
| - (NSValue *)accessibilitySizeAttribute { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| jobject axComponent = JNFCallStaticObjectMethod(env, sjm_getAccessibleComponent, fAccessible, fComponent); // AWT_THREADING Safe (AWTRunLoop) |
| NSValue* size = [NSValue valueWithSize:getAxComponentSize(env, axComponent, fComponent)]; |
| (*env)->DeleteLocalRef(env, axComponent); |
| return size; |
| } |
| |
| - (BOOL)accessibilityIsSizeAttributeSettable |
| { |
| // SIZE is settable in windows if [self styleMask] & NSResizableWindowMask - but windows are heavyweight so we're ok here |
| // SIZE is settable in columns if [[self tableValue] allowsColumnResizing - haven't dealt with columns yet |
| return NO; |
| } |
| |
| // Element subrole type, such as NSAccessibilityTableRowSubrole (NSString). See the subrole attribute table at |
| // http://developer.apple.com/documentation/Cocoa/Reference/ApplicationKit/ObjC_classic/Protocols/NSAccessibility.html |
| - (NSString *)accessibilitySubroleAttribute |
| { |
| NSString *value = nil; |
| if ([[self javaRole] isEqualToString:@"passwordtext"]) { |
| value = NSAccessibilitySecureTextFieldSubrole; |
| } |
| /* |
| // other subroles. TableRow and OutlineRow may be relevant to us |
| NSAccessibilityCloseButtonSubrole // no, heavyweight window takes care of this |
| NSAccessibilityMinimizeButtonSubrole // " |
| NSAccessibilityOutlineRowSubrole // maybe? |
| NSAccessibilitySecureTextFieldSubrole // currently used |
| NSAccessibilityTableRowSubrole // maybe? |
| NSAccessibilityToolbarButtonSubrole // maybe? |
| NSAccessibilityUnknownSubrole |
| NSAccessibilityZoomButtonSubrole // no, heavyweight window takes care of this |
| NSAccessibilityStandardWindowSubrole// no, heavyweight window takes care of this |
| NSAccessibilityDialogSubrole // maybe? |
| NSAccessibilitySystemDialogSubrole // no |
| NSAccessibilityFloatingWindowSubrole // in 1.5 if we implement these, heavyweight will take care of them anyway |
| NSAccessibilitySystemFloatingWindowSubrole |
| NSAccessibilityIncrementArrowSubrole // no |
| NSAccessibilityDecrementArrowSubrole // no |
| NSAccessibilityIncrementPageSubrole // no |
| NSAccessibilityDecrementPageSubrole // no |
| NSAccessibilitySearchFieldSubrole //no |
| */ |
| return value; |
| } |
| |
| - (BOOL)accessibilityIsSubroleAttributeSettable |
| { |
| return NO; |
| } |
| |
| // Title of element, such as button text (NSString) |
| - (NSString *)accessibilityTitleAttribute |
| { |
| // Return empty string for labels, since their value and tile end up being the same thing and this leads to repeated text. |
| if ([[self accessibilityRoleAttribute] isEqualToString:NSAccessibilityStaticTextRole]) { |
| return @""; |
| } |
| |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| |
| jobject val = JNFCallStaticObjectMethod(env, sjm_getAccessibleName, fAccessible, fComponent); // AWT_THREADING Safe (AWTRunLoop) |
| if (val == NULL) { |
| return nil; |
| } |
| NSString* str = JNFJavaToNSString(env, val); |
| (*env)->DeleteLocalRef(env, val); |
| return str; |
| } |
| |
| - (BOOL)accessibilityIsTitleAttributeSettable |
| { |
| return NO; |
| } |
| |
| - (NSWindow *)accessibilityTopLevelUIElementAttribute |
| { |
| return [self window]; |
| } |
| |
| - (BOOL)accessibilityIsTopLevelUIElementAttributeSettable |
| { |
| return NO; |
| } |
| |
| // Element's value (id) |
| // note that the appKit meaning of "accessibilityValue" is different from the java |
| // meaning of "accessibleValue", which is specific to numerical values |
| // (https://docs.oracle.com/javase/8/docs/api/javax/accessibility/AccessibleValue.html#setCurrentAccessibleValue-java.lang.Number-) |
| - (id)accessibilityValueAttribute |
| { |
| static JNF_STATIC_MEMBER_CACHE(jm_getCurrentAccessibleValue, sjc_CAccessibility, "getCurrentAccessibleValue", "(Ljavax/accessibility/AccessibleValue;Ljava/awt/Component;)Ljava/lang/Number;"); |
| |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| |
| // Need to handle popupmenus differently. |
| // |
| // At least for now don't handle combo box menus. |
| // This may change when later fixing issues which currently |
| // exist for combo boxes, but for now the following is only |
| // for JPopupMenus, not for combobox menus. |
| id parent = [self parent]; |
| if ( [[self javaRole] isEqualToString:@"popupmenu"] && |
| ![[parent javaRole] isEqualToString:@"combobox"] ) { |
| NSArray *children = |
| [JavaComponentAccessibility childrenOfParent:self |
| withEnv:env |
| withChildrenCode:JAVA_AX_ALL_CHILDREN |
| allowIgnored:YES]; |
| if ([children count] > 0) { |
| // handle case of AXMenuItem |
| // need to ask menu what is selected |
| NSArray *selectedChildrenOfMenu = |
| [self accessibilitySelectedChildrenAttribute]; |
| JavaComponentAccessibility *selectedMenuItem = |
| [selectedChildrenOfMenu objectAtIndex:0]; |
| if (selectedMenuItem != nil) { |
| jobject itemValue = |
| JNFCallStaticObjectMethod( env, |
| sjm_getAccessibleName, |
| selectedMenuItem->fAccessible, |
| selectedMenuItem->fComponent ); // AWT_THREADING Safe (AWTRunLoop) |
| if (itemValue == NULL) { |
| return nil; |
| } |
| NSString* itemString = JNFJavaToNSString(env, itemValue); |
| (*env)->DeleteLocalRef(env, itemValue); |
| return itemString; |
| } else { |
| return nil; |
| } |
| } |
| } |
| |
| // ask Java for the component's accessibleValue. In java, the "accessibleValue" just means a numerical value |
| // a text value is taken care of in JavaTextAccessibility |
| |
| // cmcnote should coalesce these calls into one java call |
| NSNumber *num = nil; |
| jobject axValue = JNFCallStaticObjectMethod(env, sjm_getAccessibleValue, fAccessible, fComponent); // AWT_THREADING Safe (AWTRunLoop) |
| if (axValue != NULL) { |
| jobject str = JNFCallStaticObjectMethod(env, jm_getCurrentAccessibleValue, axValue, fComponent); |
| if (str != NULL) { |
| num = JNFJavaToNSNumber(env, str); // AWT_THREADING Safe (AWTRunLoop) |
| (*env)->DeleteLocalRef(env, str); |
| } |
| (*env)->DeleteLocalRef(env, axValue); |
| } |
| if (num == nil) { |
| num = [NSNumber numberWithInt:0]; |
| } |
| return num; |
| } |
| |
| - (BOOL)accessibilityIsValueAttributeSettable |
| { |
| // according ot AppKit sources, in general the value attribute is not settable, except in the cases |
| // of an NSScroller, an NSSplitView, and text that's both enabled & editable |
| BOOL isSettable = NO; |
| NSString *role = [self accessibilityRoleAttribute]; |
| |
| if ([role isEqualToString:NSAccessibilityScrollBarRole] || // according to NSScrollerAccessibility |
| [role isEqualToString:NSAccessibilitySplitGroupRole] ) // according to NSSplitViewAccessibility |
| { |
| isSettable = YES; |
| } |
| return isSettable; |
| } |
| |
| - (void)accessibilitySetValueAttribute:(id)value |
| { |
| #ifdef JAVA_AX_DEBUG |
| NSLog(@"Not yet implemented: %s\n", __FUNCTION__); // radr://3954018 |
| #endif |
| } |
| |
| |
| // Child elements that are visible (NSArray) |
| - (NSArray *)accessibilityVisibleChildrenAttribute |
| { |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| NSArray *visibleChildren = [JavaComponentAccessibility childrenOfParent:self withEnv:env withChildrenCode:JAVA_AX_VISIBLE_CHILDREN allowIgnored:NO]; |
| if ([visibleChildren count] <= 0) return nil; |
| return visibleChildren; |
| } |
| |
| - (BOOL)accessibilityIsVisibleChildrenAttributeSettable |
| { |
| return NO; |
| } |
| |
| // Window containing current element (id) |
| - (id)accessibilityWindowAttribute |
| { |
| return [self window]; |
| } |
| |
| - (BOOL)accessibilityIsWindowAttributeSettable |
| { |
| return NO; |
| } |
| |
| |
| // -- accessibility actions -- |
| - (NSArray *)accessibilityActionNames |
| { |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| return [[self getActions:env] allKeys]; |
| } |
| |
| - (NSString *)accessibilityActionDescription:(NSString *)action |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| return [(id <JavaAccessibilityAction>)[[self getActions:env] objectForKey:action] getDescription]; |
| } |
| |
| - (void)accessibilityPerformAction:(NSString *)action |
| { |
| AWT_ASSERT_APPKIT_THREAD; |
| |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| [(id <JavaAccessibilityAction>)[[self getActions:env] objectForKey:action] perform]; |
| } |
| |
| |
| // -- misc accessibility -- |
| - (BOOL)accessibilityIsIgnored |
| { |
| #ifdef JAVA_AX_NO_IGNORES |
| return NO; |
| #else |
| return [[self accessibilityRoleAttribute] isEqualToString:JavaAccessibilityIgnore]; |
| #endif /* JAVA_AX_NO_IGNORES */ |
| } |
| |
| - (id)accessibilityHitTest:(NSPoint)point withEnv:(JNIEnv *)env |
| { |
| static JNF_CLASS_CACHE(jc_Container, "java/awt/Container"); |
| static JNF_STATIC_MEMBER_CACHE(jm_accessibilityHitTest, sjc_CAccessibility, "accessibilityHitTest", "(Ljava/awt/Container;FF)Ljavax/accessibility/Accessible;"); |
| |
| // Make it into java screen coords |
| point.y = [[[[self view] window] screen] frame].size.height - point.y; |
| |
| jobject jparent = fComponent; |
| |
| id value = nil; |
| if (JNFIsInstanceOf(env, jparent, &jc_Container)) { |
| jobject jaccessible = JNFCallStaticObjectMethod(env, jm_accessibilityHitTest, jparent, (jfloat)point.x, (jfloat)point.y); // AWT_THREADING Safe (AWTRunLoop) |
| if (jaccessible != NULL) { |
| value = [JavaComponentAccessibility createWithAccessible:jaccessible withEnv:env withView:fView]; |
| (*env)->DeleteLocalRef(env, jaccessible); |
| } |
| } |
| |
| if (value == nil) { |
| value = self; |
| } |
| |
| if ([value accessibilityIsIgnored]) { |
| value = NSAccessibilityUnignoredAncestor(value); |
| } |
| |
| #ifdef JAVA_AX_DEBUG |
| NSLog(@"%s: %@", __FUNCTION__, value); |
| #endif |
| return value; |
| } |
| |
| - (id)accessibilityFocusedUIElement |
| { |
| static JNF_STATIC_MEMBER_CACHE(jm_getFocusOwner, sjc_CAccessibility, "getFocusOwner", "(Ljava/awt/Component;)Ljavax/accessibility/Accessible;"); |
| |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| id value = nil; |
| |
| NSWindow* hostWindow = [[self->fView window] retain]; |
| jobject focused = JNFCallStaticObjectMethod(env, jm_getFocusOwner, fComponent); // AWT_THREADING Safe (AWTRunLoop) |
| [hostWindow release]; |
| |
| if (focused != NULL) { |
| if (JNFIsInstanceOf(env, focused, &sjc_Accessible)) { |
| value = [JavaComponentAccessibility createWithAccessible:focused withEnv:env withView:fView]; |
| } |
| (*env)->DeleteLocalRef(env, focused); |
| } |
| |
| if (value == nil) { |
| value = self; |
| } |
| #ifdef JAVA_AX_DEBUG |
| NSLog(@"%s: %@", __FUNCTION__, value); |
| #endif |
| return value; |
| } |
| |
| @end |
| |
| /* |
| * Class: sun_lwawt_macosx_CAccessibility |
| * Method: focusChanged |
| * Signature: ()V |
| */ |
| JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CAccessibility_focusChanged |
| (JNIEnv *env, jobject jthis) |
| { |
| JNF_COCOA_ENTER(env); |
| [ThreadUtilities performOnMainThread:@selector(postFocusChanged:) on:[JavaComponentAccessibility class] withObject:nil waitUntilDone:NO]; |
| JNF_COCOA_EXIT(env); |
| } |
| |
| /* |
| * Class: sun_lwawt_macosx_CAccessible |
| * Method: valueChanged |
| * Signature: (I)V |
| */ |
| JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CAccessible_valueChanged |
| (JNIEnv *env, jclass jklass, jlong element) |
| { |
| JNF_COCOA_ENTER(env); |
| [ThreadUtilities performOnMainThread:@selector(postValueChanged) on:(JavaComponentAccessibility *)jlong_to_ptr(element) withObject:nil waitUntilDone:NO]; |
| JNF_COCOA_EXIT(env); |
| } |
| |
| /* |
| * Class: sun_lwawt_macosx_CAccessible |
| * Method: selectedTextChanged |
| * Signature: (I)V |
| */ |
| JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CAccessible_selectedTextChanged |
| (JNIEnv *env, jclass jklass, jlong element) |
| { |
| JNF_COCOA_ENTER(env); |
| [ThreadUtilities performOnMainThread:@selector(postSelectedTextChanged) |
| on:(JavaComponentAccessibility *)jlong_to_ptr(element) |
| withObject:nil |
| waitUntilDone:NO]; |
| JNF_COCOA_EXIT(env); |
| } |
| |
| /* |
| * Class: sun_lwawt_macosx_CAccessible |
| * Method: selectionChanged |
| * Signature: (I)V |
| */ |
| JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CAccessible_selectionChanged |
| (JNIEnv *env, jclass jklass, jlong element) |
| { |
| JNF_COCOA_ENTER(env); |
| [ThreadUtilities performOnMainThread:@selector(postSelectionChanged) on:(JavaComponentAccessibility *)jlong_to_ptr(element) withObject:nil waitUntilDone:NO]; |
| JNF_COCOA_EXIT(env); |
| } |
| |
| /* |
| * Class: sun_lwawt_macosx_CAccessible |
| * Method: menuOpened |
| * Signature: (I)V |
| */ |
| JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CAccessible_menuOpened |
| (JNIEnv *env, jclass jklass, jlong element) |
| { |
| JNF_COCOA_ENTER(env); |
| [ThreadUtilities performOnMainThread:@selector(postMenuOpened) |
| on:(JavaComponentAccessibility *)jlong_to_ptr(element) |
| withObject:nil |
| waitUntilDone:NO]; |
| JNF_COCOA_EXIT(env); |
| } |
| |
| /* |
| * Class: sun_lwawt_macosx_CAccessible |
| * Method: menuClosed |
| * Signature: (I)V |
| */ |
| JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CAccessible_menuClosed |
| (JNIEnv *env, jclass jklass, jlong element) |
| { |
| JNF_COCOA_ENTER(env); |
| [ThreadUtilities performOnMainThread:@selector(postMenuClosed) |
| on:(JavaComponentAccessibility *)jlong_to_ptr(element) |
| withObject:nil |
| waitUntilDone:NO]; |
| JNF_COCOA_EXIT(env); |
| } |
| |
| /* |
| * Class: sun_lwawt_macosx_CAccessible |
| * Method: menuItemSelected |
| * Signature: (I)V |
| */ |
| JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CAccessible_menuItemSelected |
| (JNIEnv *env, jclass jklass, jlong element) |
| { |
| JNF_COCOA_ENTER(env); |
| [ThreadUtilities performOnMainThread:@selector(postMenuItemSelected) |
| on:(JavaComponentAccessibility *)jlong_to_ptr(element) |
| withObject:nil |
| waitUntilDone:NO]; |
| JNF_COCOA_EXIT(env); |
| } |
| |
| /* |
| * Class: sun_lwawt_macosx_CAccessible |
| * Method: unregisterFromCocoaAXSystem |
| * Signature: (I)V |
| */ |
| JNIEXPORT void JNICALL Java_sun_lwawt_macosx_CAccessible_unregisterFromCocoaAXSystem |
| (JNIEnv *env, jclass jklass, jlong element) |
| { |
| JNF_COCOA_ENTER(env); |
| [ThreadUtilities performOnMainThread:@selector(unregisterFromCocoaAXSystem) on:(JavaComponentAccessibility *)jlong_to_ptr(element) withObject:nil waitUntilDone:NO]; |
| JNF_COCOA_EXIT(env); |
| } |
| |
| @implementation TabGroupAccessibility |
| |
| - (id)initWithParent:(NSObject *)parent withEnv:(JNIEnv *)env withAccessible:(jobject)accessible withIndex:(jint)index withView:(NSView *)view withJavaRole:(NSString *)javaRole |
| { |
| self = [super initWithParent:parent withEnv:env withAccessible:accessible withIndex:index withView:view withJavaRole:javaRole]; |
| if (self) { |
| _numTabs = -1; //flag for uninitialized numTabs |
| } |
| return self; |
| } |
| |
| - (NSArray *)initializeAttributeNamesWithEnv:(JNIEnv *)env |
| { |
| NSMutableArray *names = (NSMutableArray *)[super initializeAttributeNamesWithEnv:env]; |
| |
| [names addObject:NSAccessibilityTabsAttribute]; |
| [names addObject:NSAccessibilityContentsAttribute]; |
| [names addObject:NSAccessibilityValueAttribute]; |
| |
| return names; |
| } |
| |
| - (id)currentTabWithEnv:(JNIEnv *)env withAxContext:(jobject)axContext |
| { |
| NSArray *tabs = [self tabControlsWithEnv:env withTabGroupAxContext:axContext withTabCode:JAVA_AX_ALL_CHILDREN allowIgnored:NO]; |
| |
| // Looking at the JTabbedPane sources, there is always one AccessibleSelection. |
| jobject selAccessible = getAxContextSelection(env, axContext, 0, fComponent); |
| if (selAccessible == NULL) return nil; |
| |
| // Go through the tabs and find selAccessible |
| _numTabs = [tabs count]; |
| JavaComponentAccessibility *aTab; |
| NSInteger i; |
| for (i = 0; i < _numTabs; i++) { |
| aTab = (JavaComponentAccessibility *)[tabs objectAtIndex:i]; |
| if ([aTab isAccessibleWithEnv:env forAccessible:selAccessible]) { |
| (*env)->DeleteLocalRef(env, selAccessible); |
| return aTab; |
| } |
| } |
| (*env)->DeleteLocalRef(env, selAccessible); |
| return nil; |
| } |
| |
| - (NSArray *)tabControlsWithEnv:(JNIEnv *)env withTabGroupAxContext:(jobject)axContext withTabCode:(NSInteger)whichTabs allowIgnored:(BOOL)allowIgnored |
| { |
| jobjectArray jtabsAndRoles = (jobjectArray)JNFCallStaticObjectMethod(env, jm_getChildrenAndRoles, fAccessible, fComponent, whichTabs, allowIgnored); // AWT_THREADING Safe (AWTRunLoop) |
| if(jtabsAndRoles == NULL) return nil; |
| |
| jsize arrayLen = (*env)->GetArrayLength(env, jtabsAndRoles); |
| if (arrayLen == 0) { |
| (*env)->DeleteLocalRef(env, jtabsAndRoles); |
| return nil; |
| } |
| NSMutableArray *tabs = [NSMutableArray arrayWithCapacity:(arrayLen/2)]; |
| |
| // all of the tabs have the same role, so we can just find out what that is here and use it for all the tabs |
| jobject jtabJavaRole = (*env)->GetObjectArrayElement(env, jtabsAndRoles, 1); // the array entries alternate between tab/role, starting with tab. so the first role is entry 1. |
| if (jtabJavaRole == NULL) { |
| (*env)->DeleteLocalRef(env, jtabsAndRoles); |
| return nil; |
| } |
| jobject jkey = JNFGetObjectField(env, jtabJavaRole, sjf_key); |
| NSString *tabJavaRole = JNFJavaToNSString(env, jkey); |
| (*env)->DeleteLocalRef(env, jkey); |
| |
| NSInteger i; |
| NSUInteger tabIndex = (whichTabs >= 0) ? whichTabs : 0; // if we're getting one particular child, make sure to set its index correctly |
| for(i = 0; i < arrayLen; i+=2) { |
| jobject jtab = (*env)->GetObjectArrayElement(env, jtabsAndRoles, i); |
| JavaComponentAccessibility *tab = [[[TabGroupControlAccessibility alloc] initWithParent:self withEnv:env withAccessible:jtab withIndex:tabIndex withTabGroup:axContext withView:[self view] withJavaRole:tabJavaRole] autorelease]; |
| (*env)->DeleteLocalRef(env, jtab); |
| [tabs addObject:tab]; |
| tabIndex++; |
| } |
| (*env)->DeleteLocalRef(env, jtabsAndRoles); |
| return tabs; |
| } |
| |
| - (NSArray *)contentsWithEnv:(JNIEnv *)env withTabGroupAxContext:(jobject)axContext withTabCode:(NSInteger)whichTabs allowIgnored:(BOOL)allowIgnored |
| { |
| // Contents are the children of the selected tab. |
| id currentTab = [self currentTabWithEnv:env withAxContext:axContext]; |
| if (currentTab == nil) return nil; |
| |
| NSArray *contents = [JavaComponentAccessibility childrenOfParent:currentTab withEnv:env withChildrenCode:whichTabs allowIgnored:allowIgnored]; |
| if ([contents count] <= 0) return nil; |
| return contents; |
| } |
| |
| - (id) accessibilityTabsAttribute |
| { |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| jobject axContext = [self axContextWithEnv:env]; |
| id tabs = [self tabControlsWithEnv:env withTabGroupAxContext:axContext withTabCode:JAVA_AX_ALL_CHILDREN allowIgnored:NO]; |
| (*env)->DeleteLocalRef(env, axContext); |
| return tabs; |
| } |
| |
| - (BOOL)accessibilityIsTabsAttributeSettable |
| { |
| return NO; //cmcnote: not sure. |
| } |
| |
| - (NSInteger)numTabs |
| { |
| if (_numTabs == -1) { |
| _numTabs = [[self accessibilityTabsAttribute] count]; |
| } |
| return _numTabs; |
| } |
| |
| - (NSArray *) accessibilityContentsAttribute |
| { |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| jobject axContext = [self axContextWithEnv:env]; |
| NSArray* cont = [self contentsWithEnv:env withTabGroupAxContext:axContext withTabCode:JAVA_AX_ALL_CHILDREN allowIgnored:NO]; |
| (*env)->DeleteLocalRef(env, axContext); |
| return cont; |
| } |
| |
| - (BOOL)accessibilityIsContentsAttributeSettable |
| { |
| return NO; |
| } |
| |
| // axValue is the currently selected tab |
| -(id) accessibilityValueAttribute |
| { |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| jobject axContext = [self axContextWithEnv:env]; |
| id val = [self currentTabWithEnv:env withAxContext:axContext]; |
| (*env)->DeleteLocalRef(env, axContext); |
| return val; |
| } |
| |
| - (BOOL)accessibilityIsValueAttributeSettable |
| { |
| return YES; |
| } |
| |
| - (void)accessibilitySetValueAttribute:(id)value //cmcnote: not certain this is ever actually called. investigate. |
| { |
| // set the current tab |
| NSNumber *number = (NSNumber *)value; |
| if (![number boolValue]) return; |
| |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| jobject axContext = [self axContextWithEnv:env]; |
| setAxContextSelection(env, axContext, fIndex, fComponent); |
| (*env)->DeleteLocalRef(env, axContext); |
| } |
| |
| - (NSArray *)accessibilityChildrenAttribute |
| { |
| //children = AXTabs + AXContents |
| NSArray *tabs = [self accessibilityTabsAttribute]; |
| NSArray *contents = [self accessibilityContentsAttribute]; |
| |
| NSMutableArray *children = [NSMutableArray arrayWithCapacity:[tabs count] + [contents count]]; |
| [children addObjectsFromArray:tabs]; |
| [children addObjectsFromArray:contents]; |
| |
| return (NSArray *)children; |
| } |
| |
| // Without this optimization accessibilityChildrenAttribute is called in order to get the entire array of children. |
| // See similar optimization in JavaComponentAccessibility. We have to extend the base implementation here, since |
| // children of tabs are AXTabs + AXContents |
| - (NSArray *)accessibilityArrayAttributeValues:(NSString *)attribute index:(NSUInteger)index maxCount:(NSUInteger)maxCount { |
| NSArray *result = nil; |
| if ( (maxCount == 1) && [attribute isEqualToString:NSAccessibilityChildrenAttribute]) { |
| // Children codes for ALL, SELECTED, VISIBLE are <0. If the code is >=0, we treat it as an index to a single child |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| jobject axContext = [self axContextWithEnv:env]; |
| |
| //children = AXTabs + AXContents |
| NSArray *children = [self tabControlsWithEnv:env withTabGroupAxContext:axContext withTabCode:index allowIgnored:NO]; // first look at the tabs |
| if ([children count] > 0) { |
| result = children; |
| } else { |
| children= [self contentsWithEnv:env withTabGroupAxContext:axContext withTabCode:(index-[self numTabs]) allowIgnored:NO]; |
| if ([children count] > 0) { |
| result = children; |
| } |
| } |
| (*env)->DeleteLocalRef(env, axContext); |
| } else { |
| result = [super accessibilityArrayAttributeValues:attribute index:index maxCount:maxCount]; |
| } |
| return result; |
| } |
| |
| @end |
| |
| |
| static BOOL ObjectEquals(JNIEnv *env, jobject a, jobject b, jobject component); |
| |
| @implementation TabGroupControlAccessibility |
| |
| - (id)initWithParent:(NSObject *)parent withEnv:(JNIEnv *)env withAccessible:(jobject)accessible withIndex:(jint)index withTabGroup:(jobject)tabGroup withView:(NSView *)view withJavaRole:(NSString *)javaRole |
| { |
| self = [super initWithParent:parent withEnv:env withAccessible:accessible withIndex:index withView:view withJavaRole:javaRole]; |
| if (self) { |
| if (tabGroup != NULL) { |
| fTabGroupAxContext = JNFNewWeakGlobalRef(env, tabGroup); |
| } else { |
| fTabGroupAxContext = NULL; |
| } |
| } |
| return self; |
| } |
| |
| - (void)dealloc |
| { |
| JNIEnv *env = [ThreadUtilities getJNIEnvUncached]; |
| |
| if (fTabGroupAxContext != NULL) { |
| JNFDeleteWeakGlobalRef(env, fTabGroupAxContext); |
| fTabGroupAxContext = NULL; |
| } |
| |
| [super dealloc]; |
| } |
| |
| - (id)accessibilityValueAttribute |
| { |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| jobject axContext = [self axContextWithEnv:env]; |
| jobject selAccessible = getAxContextSelection(env, [self tabGroup], fIndex, fComponent); |
| |
| // Returns the current selection of the page tab list |
| id val = [NSNumber numberWithBool:ObjectEquals(env, axContext, selAccessible, fComponent)]; |
| |
| (*env)->DeleteLocalRef(env, selAccessible); |
| (*env)->DeleteLocalRef(env, axContext); |
| return val; |
| } |
| |
| - (void)getActionsWithEnv:(JNIEnv *)env |
| { |
| TabGroupAction *action = [[TabGroupAction alloc] initWithEnv:env withTabGroup:[self tabGroup] withIndex:fIndex withComponent:fComponent]; |
| [fActions setObject:action forKey:NSAccessibilityPressAction]; |
| [action release]; |
| } |
| |
| - (jobject)tabGroup |
| { |
| if (fTabGroupAxContext == NULL) { |
| JNIEnv* env = [ThreadUtilities getJNIEnv]; |
| jobject tabGroupAxContext = [(JavaComponentAccessibility *)[self parent] axContextWithEnv:env]; |
| fTabGroupAxContext = JNFNewWeakGlobalRef(env, tabGroupAxContext); |
| (*env)->DeleteLocalRef(env, tabGroupAxContext); |
| } |
| return fTabGroupAxContext; |
| } |
| |
| @end |
| |
| |
| @implementation ScrollAreaAccessibility |
| |
| - (NSArray *)initializeAttributeNamesWithEnv:(JNIEnv *)env |
| { |
| NSMutableArray *names = (NSMutableArray *)[super initializeAttributeNamesWithEnv:env]; |
| |
| [names addObject:NSAccessibilityHorizontalScrollBarAttribute]; |
| [names addObject:NSAccessibilityVerticalScrollBarAttribute]; |
| [names addObject:NSAccessibilityContentsAttribute]; |
| |
| return names; |
| } |
| |
| - (id)accessibilityHorizontalScrollBarAttribute |
| { |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| |
| NSArray *children = [JavaComponentAccessibility childrenOfParent:self withEnv:env withChildrenCode:JAVA_AX_ALL_CHILDREN allowIgnored:YES]; |
| if ([children count] <= 0) return nil; |
| |
| // The scroll bars are in the children. |
| JavaComponentAccessibility *aElement; |
| NSEnumerator *enumerator = [children objectEnumerator]; |
| while ((aElement = (JavaComponentAccessibility *)[enumerator nextObject])) { |
| if ([[aElement accessibilityRoleAttribute] isEqualToString:NSAccessibilityScrollBarRole]) { |
| jobject elementAxContext = [aElement axContextWithEnv:env]; |
| if (isHorizontal(env, elementAxContext, fComponent)) { |
| (*env)->DeleteLocalRef(env, elementAxContext); |
| return aElement; |
| } |
| (*env)->DeleteLocalRef(env, elementAxContext); |
| } |
| } |
| |
| return nil; |
| } |
| |
| - (BOOL)accessibilityIsHorizontalScrollBarAttributeSettable |
| { |
| return NO; |
| } |
| |
| - (id)accessibilityVerticalScrollBarAttribute |
| { |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| |
| NSArray *children = [JavaComponentAccessibility childrenOfParent:self withEnv:env withChildrenCode:JAVA_AX_ALL_CHILDREN allowIgnored:YES]; |
| if ([children count] <= 0) return nil; |
| |
| // The scroll bars are in the children. |
| NSEnumerator *enumerator = [children objectEnumerator]; |
| JavaComponentAccessibility *aElement; |
| while ((aElement = (JavaComponentAccessibility *)[enumerator nextObject])) { |
| if ([[aElement accessibilityRoleAttribute] isEqualToString:NSAccessibilityScrollBarRole]) { |
| jobject elementAxContext = [aElement axContextWithEnv:env]; |
| if (isVertical(env, elementAxContext, fComponent)) { |
| (*env)->DeleteLocalRef(env, elementAxContext); |
| return aElement; |
| } |
| (*env)->DeleteLocalRef(env, elementAxContext); |
| } |
| } |
| |
| return nil; |
| } |
| |
| - (BOOL)accessibilityIsVerticalScrollBarAttributeSettable |
| { |
| return NO; |
| } |
| |
| - (NSArray *)accessibilityContentsAttribute |
| { |
| JNIEnv *env = [ThreadUtilities getJNIEnv]; |
| NSArray *children = [JavaComponentAccessibility childrenOfParent:self withEnv:env withChildrenCode:JAVA_AX_ALL_CHILDREN allowIgnored:YES]; |
| |
| if ([children count] <= 0) return nil; |
| NSArray *contents = [NSMutableArray arrayWithCapacity:[children count]]; |
| |
| // The scroll bars are in the children. children less the scroll bars is the contents |
| NSEnumerator *enumerator = [children objectEnumerator]; |
| JavaComponentAccessibility *aElement; |
| while ((aElement = (JavaComponentAccessibility *)[enumerator nextObject])) { |
| if (![[aElement accessibilityRoleAttribute] isEqualToString:NSAccessibilityScrollBarRole]) { |
| // no scroll bars in contents |
| [(NSMutableArray *)contents addObject:aElement]; |
| } |
| } |
| |
| return contents; |
| } |
| |
| - (BOOL)accessibilityIsContentsAttributeSettable |
| { |
| return NO; |
| } |
| |
| @end |
| |
| /* |
| * Returns Object.equals for the two items |
| * This may use LWCToolkit.invokeAndWait(); don't call while holding fLock |
| * and try to pass a component so the event happens on the correct thread. |
| */ |
| static JNF_CLASS_CACHE(sjc_Object, "java/lang/Object"); |
| static BOOL ObjectEquals(JNIEnv *env, jobject a, jobject b, jobject component) |
| { |
| static JNF_MEMBER_CACHE(jm_equals, sjc_Object, "equals", "(Ljava/lang/Object;)Z"); |
| |
| if ((a == NULL) && (b == NULL)) return YES; |
| if ((a == NULL) || (b == NULL)) return NO; |
| |
| if (pthread_main_np() != 0) { |
| // If we are on the AppKit thread |
| static JNF_CLASS_CACHE(sjc_LWCToolkit, "sun/lwawt/macosx/LWCToolkit"); |
| static JNF_STATIC_MEMBER_CACHE(jm_doEquals, sjc_LWCToolkit, "doEquals", "(Ljava/lang/Object;Ljava/lang/Object;Ljava/awt/Component;)Z"); |
| return JNFCallStaticBooleanMethod(env, jm_doEquals, a, b, component); // AWT_THREADING Safe (AWTRunLoopMode) |
| } |
| |
| return JNFCallBooleanMethod(env, a, jm_equals, b); // AWT_THREADING Safe (!appKit) |
| } |