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Diffstat (limited to 'accessible/mac/AccessibleWrap.h')
-rw-r--r-- | accessible/mac/AccessibleWrap.h | 103 |
1 files changed, 103 insertions, 0 deletions
diff --git a/accessible/mac/AccessibleWrap.h b/accessible/mac/AccessibleWrap.h new file mode 100644 index 000000000..6c746ff0d --- /dev/null +++ b/accessible/mac/AccessibleWrap.h @@ -0,0 +1,103 @@ +/* -*- Mode: Objective-C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/* This Source Code Form is subject to the terms of the Mozilla Public + * License, v. 2.0. If a copy of the MPL was not distributed with this + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ + +/* For documentation of the accessibility architecture, + * see http://lxr.mozilla.org/seamonkey/source/accessible/accessible-docs.html + */ + +#ifndef _AccessibleWrap_H_ +#define _AccessibleWrap_H_ + +#include <objc/objc.h> + +#include "Accessible.h" +#include "States.h" + +#include "nsCOMPtr.h" + +#include "nsTArray.h" + +#if defined(__OBJC__) +@class mozAccessible; +#endif + +namespace mozilla { +namespace a11y { + +class AccessibleWrap : public Accessible +{ +public: // construction, destruction + AccessibleWrap(nsIContent* aContent, DocAccessible* aDoc); + virtual ~AccessibleWrap(); + + /** + * Get the native Obj-C object (mozAccessible). + */ + virtual void GetNativeInterface(void** aOutAccessible) override; + + /** + * The objective-c |Class| type that this accessible's native object + * should be instantied with. used on runtime to determine the + * right type for this accessible's associated native object. + */ + virtual Class GetNativeType (); + + virtual void Shutdown () override; + + virtual bool InsertChildAt(uint32_t aIdx, Accessible* aChild) override; + virtual bool RemoveChild(Accessible* aAccessible) override; + + virtual nsresult HandleAccEvent(AccEvent* aEvent) override; + +protected: + + /** + * Return true if the parent doesn't have children to expose to AT. + */ + bool AncestorIsFlat(); + + /** + * Get the native object. Create it if needed. + */ +#if defined(__OBJC__) + mozAccessible* GetNativeObject(); +#else + id GetNativeObject(); +#endif + +private: + + /** + * Our native object. Private because its creation is done lazily. + * Don't access it directly. Ever. Unless you are GetNativeObject() or + * Shutdown() + */ +#if defined(__OBJC__) + // if we are in Objective-C, we use the actual Obj-C class. + mozAccessible* mNativeObject; +#else + id mNativeObject; +#endif + + /** + * We have created our native. This does not mean there is one. + * This can never go back to false. + * We need it because checking whether we need a native object cost time. + */ + bool mNativeInited; +}; + +#if defined(__OBJC__) + void FireNativeEvent(mozAccessible* aNativeAcc, uint32_t aEventType); +#else + void FireNativeEvent(id aNativeAcc, uint32_t aEventType); +#endif + +Class GetTypeFromRole(roles::Role aRole); + +} // namespace a11y +} // namespace mozilla + +#endif |