michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_a11y_XULElementAccessibles_h__
michael@0: #define mozilla_a11y_XULElementAccessibles_h__
michael@0: 
michael@0: #include "HyperTextAccessibleWrap.h"
michael@0: #include "TextLeafAccessibleWrap.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace a11y {
michael@0: 
michael@0: class XULLabelTextLeafAccessible;
michael@0: 
michael@0: /**
michael@0:  * Used for XUL description and label elements.
michael@0:  */
michael@0: class XULLabelAccessible : public HyperTextAccessibleWrap
michael@0: {
michael@0: public:
michael@0:   XULLabelAccessible(nsIContent* aContent, DocAccessible* aDoc);
michael@0: 
michael@0:   // Accessible
michael@0:   virtual void Shutdown();
michael@0:   virtual a11y::role NativeRole();
michael@0:   virtual uint64_t NativeState();
michael@0:   virtual Relation RelationByType(RelationType aType) MOZ_OVERRIDE;
michael@0: 
michael@0:   void UpdateLabelValue(const nsString& aValue);
michael@0: 
michael@0: protected:
michael@0:   // Accessible
michael@0:   virtual ENameValueFlag NativeName(nsString& aName) MOZ_OVERRIDE;
michael@0:   virtual void CacheChildren() MOZ_OVERRIDE;
michael@0: 
michael@0: private:
michael@0:   nsRefPtr<XULLabelTextLeafAccessible> mValueTextLeaf;
michael@0: };
michael@0: 
michael@0: inline XULLabelAccessible*
michael@0: Accessible::AsXULLabel()
michael@0: {
michael@0:   return IsXULLabel() ? static_cast<XULLabelAccessible*>(this) : nullptr;
michael@0: }
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Used to implement text interface on XUL label accessible in case when text
michael@0:  * is provided by @value attribute (no underlying text frame).
michael@0:  */
michael@0: class XULLabelTextLeafAccessible MOZ_FINAL : public TextLeafAccessibleWrap
michael@0: {
michael@0: public:
michael@0:   XULLabelTextLeafAccessible(nsIContent* aContent, DocAccessible* aDoc) :
michael@0:     TextLeafAccessibleWrap(aContent, aDoc)
michael@0:   { mStateFlags |= eSharedNode; }
michael@0: 
michael@0:   virtual ~XULLabelTextLeafAccessible() { }
michael@0: 
michael@0:   // Accessible
michael@0:   virtual a11y::role NativeRole() MOZ_OVERRIDE;
michael@0:   virtual uint64_t NativeState() MOZ_OVERRIDE;
michael@0: };
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Used for XUL tooltip element.
michael@0:  */
michael@0: class XULTooltipAccessible : public LeafAccessible
michael@0: {
michael@0: 
michael@0: public:
michael@0:   XULTooltipAccessible(nsIContent* aContent, DocAccessible* aDoc);
michael@0: 
michael@0:   // Accessible
michael@0:   virtual a11y::role NativeRole();
michael@0:   virtual uint64_t NativeState();
michael@0: };
michael@0: 
michael@0: class XULLinkAccessible : public XULLabelAccessible
michael@0: {
michael@0: 
michael@0: public:
michael@0:   XULLinkAccessible(nsIContent* aContent, DocAccessible* aDoc);
michael@0: 
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   // nsIAccessible
michael@0:   NS_IMETHOD GetActionName(uint8_t aIndex, nsAString& aName);
michael@0:   NS_IMETHOD DoAction(uint8_t aIndex);
michael@0: 
michael@0:   // Accessible
michael@0:   virtual void Value(nsString& aValue);
michael@0:   virtual a11y::role NativeRole();
michael@0:   virtual uint64_t NativeLinkState() const;
michael@0: 
michael@0:   // ActionAccessible
michael@0:   virtual uint8_t ActionCount();
michael@0: 
michael@0:   // HyperLinkAccessible
michael@0:   virtual bool IsLink();
michael@0:   virtual uint32_t StartOffset();
michael@0:   virtual uint32_t EndOffset();
michael@0:   virtual already_AddRefed<nsIURI> AnchorURIAt(uint32_t aAnchorIndex);
michael@0: 
michael@0: protected:
michael@0:   // Accessible
michael@0:   virtual ENameValueFlag NativeName(nsString& aName) MOZ_OVERRIDE;
michael@0: 
michael@0:   enum { eAction_Jump = 0 };
michael@0: 
michael@0: };
michael@0: 
michael@0: } // namespace a11y
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif