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comparison: accessible/src/mac/AccessibleWrap.h
accessible/src/mac/AccessibleWrap.h
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| -1:000000000000 | 0:1823bb2b072a |
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| 1 /* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ | |
| 2 /* This Source Code Form is subject to the terms of the Mozilla Public | |
| 3 * License, v. 2.0. If a copy of the MPL was not distributed with this | |
| 4 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ | |
| 5 | |
| 6 /* For documentation of the accessibility architecture, | |
| 7 * see http://lxr.mozilla.org/seamonkey/source/accessible/accessible-docs.html | |
| 8 */ | |
| 9 | |
| 10 #ifndef _AccessibleWrap_H_ | |
| 11 #define _AccessibleWrap_H_ | |
| 12 | |
| 13 #include <objc/objc.h> | |
| 14 | |
| 15 #include "Accessible.h" | |
| 16 #include "States.h" | |
| 17 | |
| 18 #include "nsCOMPtr.h" | |
| 19 | |
| 20 #include "nsTArray.h" | |
| 21 #include "nsAutoPtr.h" | |
| 22 | |
| 23 #if defined(__OBJC__) | |
| 24 @class mozAccessible; | |
| 25 #endif | |
| 26 | |
| 27 namespace mozilla { | |
| 28 namespace a11y { | |
| 29 | |
| 30 class AccessibleWrap : public Accessible | |
| 31 { | |
| 32 public: // construction, destruction | |
| 33 AccessibleWrap(nsIContent* aContent, DocAccessible* aDoc); | |
| 34 virtual ~AccessibleWrap(); | |
| 35 | |
| 36 /** | |
| 37 * Get the native Obj-C object (mozAccessible). | |
| 38 */ | |
| 39 NS_IMETHOD GetNativeInterface (void** aOutAccessible); | |
| 40 | |
| 41 /** | |
| 42 * The objective-c |Class| type that this accessible's native object | |
| 43 * should be instantied with. used on runtime to determine the | |
| 44 * right type for this accessible's associated native object. | |
| 45 */ | |
| 46 virtual Class GetNativeType (); | |
| 47 | |
| 48 virtual void Shutdown (); | |
| 49 virtual void InvalidateChildren(); | |
| 50 | |
| 51 virtual bool InsertChildAt(uint32_t aIdx, Accessible* aChild) MOZ_OVERRIDE; | |
| 52 virtual bool RemoveChild(Accessible* aAccessible); | |
| 53 | |
| 54 virtual nsresult HandleAccEvent(AccEvent* aEvent); | |
| 55 | |
| 56 /** | |
| 57 * Ignored means that the accessible might still have children, but is not | |
| 58 * displayed to the user. it also has no native accessible object represented | |
| 59 * for it. | |
| 60 */ | |
| 61 bool IsIgnored(); | |
| 62 | |
| 63 inline bool HasPopup () | |
| 64 { return (NativeState() & mozilla::a11y::states::HASPOPUP); } | |
| 65 | |
| 66 /** | |
| 67 * Returns this accessible's all children, adhering to "flat" accessibles by | |
| 68 * not returning their children. | |
| 69 */ | |
| 70 void GetUnignoredChildren(nsTArray<Accessible*>* aChildrenArray); | |
| 71 Accessible* GetUnignoredParent() const; | |
| 72 | |
| 73 protected: | |
| 74 | |
| 75 /** | |
| 76 * Return true if the parent doesn't have children to expose to AT. | |
| 77 */ | |
| 78 bool AncestorIsFlat(); | |
| 79 | |
| 80 /** | |
| 81 * Get the native object. Create it if needed. | |
| 82 */ | |
| 83 #if defined(__OBJC__) | |
| 84 mozAccessible* GetNativeObject(); | |
| 85 #else | |
| 86 id GetNativeObject(); | |
| 87 #endif | |
| 88 | |
| 89 private: | |
| 90 | |
| 91 /** | |
| 92 * Our native object. Private because its creation is done lazily. | |
| 93 * Don't access it directly. Ever. Unless you are GetNativeObject() or | |
| 94 * Shutdown() | |
| 95 */ | |
| 96 #if defined(__OBJC__) | |
| 97 // if we are in Objective-C, we use the actual Obj-C class. | |
| 98 mozAccessible* mNativeObject; | |
| 99 #else | |
| 100 id mNativeObject; | |
| 101 #endif | |
| 102 | |
| 103 /** | |
| 104 * We have created our native. This does not mean there is one. | |
| 105 * This can never go back to false. | |
| 106 * We need it because checking whether we need a native object cost time. | |
| 107 */ | |
| 108 bool mNativeInited; | |
| 109 }; | |
| 110 | |
| 111 } // namespace a11y | |
| 112 } // namespace mozilla | |
| 113 | |
| 114 #endif |
