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107 lines
2.9 KiB
C++
107 lines
2.9 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim:expandtab:shiftwidth=2:tabstop=2:
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*/
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_a11y_ApplicationAccessible_h__
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#define mozilla_a11y_ApplicationAccessible_h__
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#include "AccessibleWrap.h"
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#include "xpcAccessibleApplication.h"
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#include "nsIMutableArray.h"
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#include "nsIXULAppInfo.h"
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namespace mozilla {
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namespace a11y {
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/**
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* ApplicationAccessible is for the whole application of Mozilla.
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* Only one instance of ApplicationAccessible exists for one Mozilla instance.
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* And this one should be created when Mozilla Startup (if accessibility
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* feature has been enabled) and destroyed when Mozilla Shutdown.
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*
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* All the accessibility objects for toplevel windows are direct children of
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* the ApplicationAccessible instance.
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*/
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class ApplicationAccessible : public AccessibleWrap,
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public xpcAccessibleApplication
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{
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public:
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ApplicationAccessible();
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// nsISupports
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NS_DECL_ISUPPORTS_INHERITED
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// Accessible
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virtual void Shutdown();
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virtual nsIntRect Bounds() const MOZ_OVERRIDE;
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virtual already_AddRefed<nsIPersistentProperties> NativeAttributes() MOZ_OVERRIDE;
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virtual GroupPos GroupPosition();
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virtual ENameValueFlag Name(nsString& aName);
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virtual void ApplyARIAState(uint64_t* aState) const;
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virtual void Description(nsString& aDescription);
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virtual void Value(nsString& aValue);
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virtual mozilla::a11y::role NativeRole() MOZ_OVERRIDE;
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virtual uint64_t State() MOZ_OVERRIDE;
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virtual uint64_t NativeState() MOZ_OVERRIDE;
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virtual Relation RelationByType(RelationType aType) MOZ_OVERRIDE;
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virtual Accessible* ChildAtPoint(int32_t aX, int32_t aY,
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EWhichChildAtPoint aWhichChild);
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virtual Accessible* FocusedChild();
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virtual void InvalidateChildren();
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// ActionAccessible
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virtual KeyBinding AccessKey() const;
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// ApplicationAccessible
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void AppName(nsAString& aName) const
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{
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nsAutoCString cname;
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mAppInfo->GetName(cname);
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AppendUTF8toUTF16(cname, aName);
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}
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void AppVersion(nsAString& aVersion) const
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{
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nsAutoCString cversion;
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mAppInfo->GetVersion(cversion);
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AppendUTF8toUTF16(cversion, aVersion);
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}
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void PlatformName(nsAString& aName) const
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{
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aName.AssignLiteral("Gecko");
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}
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void PlatformVersion(nsAString& aVersion) const
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{
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nsAutoCString cversion;
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mAppInfo->GetPlatformVersion(cversion);
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AppendUTF8toUTF16(cversion, aVersion);
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}
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protected:
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virtual ~ApplicationAccessible() {}
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// Accessible
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virtual void CacheChildren();
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virtual Accessible* GetSiblingAtOffset(int32_t aOffset,
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nsresult *aError = nullptr) const;
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private:
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nsCOMPtr<nsIXULAppInfo> mAppInfo;
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};
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} // namespace a11y
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} // namespace mozilla
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#endif
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