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1 /* -*- Mode: Objective-C; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
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2 /* This Source Code Form is subject to the terms of the Mozilla Public |
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3 * License, v. 2.0. If a copy of the MPL was not distributed with this |
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4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
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5 |
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6 #import <Cocoa/Cocoa.h> |
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7 |
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8 #import "mozView.h" |
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9 |
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10 /* This protocol's primary use is so widget/cocoa can talk back to us |
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11 properly. |
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12 |
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13 ChildView owns the topmost mozRootAccessible, and needs to take care of setting up |
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14 that parent/child relationship. |
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15 |
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16 This protocol is thus used to make sure it knows it's talking to us, and not |
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17 just some random |id|. |
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18 */ |
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19 |
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20 @protocol mozAccessible |
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21 |
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22 // returns whether this accessible is the root accessible. there is one |
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23 // root accessible per window. |
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24 - (BOOL)isRoot; |
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25 |
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26 // some mozAccessibles implement accessibility support in place of another object. for example, |
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27 // ChildView gets its support from us. |
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28 // |
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29 // instead of returning a mozAccessible to the OS when it wants an object, we need to pass the view we represent, so the |
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30 // OS doesn't get confused and think we return some random object. |
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31 - (BOOL)hasRepresentedView; |
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32 - (id)representedView; |
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33 |
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34 #ifdef DEBUG |
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35 // debug utility that will print the native accessibility tree, starting |
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36 // at this node. |
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37 - (void)printHierarchy; |
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38 #endif |
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39 |
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40 /*** general ***/ |
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41 |
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42 // returns the accessible at the specified point. |
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43 - (id)accessibilityHitTest:(NSPoint)point; |
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44 |
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45 // whether this element is flagged as ignored. |
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46 - (BOOL)accessibilityIsIgnored; |
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47 |
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48 // currently focused UI element (possibly a child accessible) |
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49 - (id)accessibilityFocusedUIElement; |
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50 |
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51 /*** attributes ***/ |
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52 |
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53 // all supported attributes |
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54 - (NSArray*)accessibilityAttributeNames; |
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55 |
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56 // value for given attribute. |
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57 - (id)accessibilityAttributeValue:(NSString*)attribute; |
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58 |
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59 // whether a particular attribute can be modified |
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60 - (BOOL)accessibilityIsAttributeSettable:(NSString*)attribute; |
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61 |
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62 /*** actions ***/ |
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63 |
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64 - (NSArray*)accessibilityActionNames; |
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65 - (NSString*)accessibilityActionDescription:(NSString*)action; |
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66 - (void)accessibilityPerformAction:(NSString*)action; |
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67 |
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68 @end |
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69 |