michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
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 file,
michael@0:  * You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef mozilla_a11y_HTMLListAccessible_h__
michael@0: #define mozilla_a11y_HTMLListAccessible_h__
michael@0: 
michael@0: #include "BaseAccessibles.h"
michael@0: #include "HyperTextAccessibleWrap.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace a11y {
michael@0: 
michael@0: class HTMLListBulletAccessible;
michael@0: 
michael@0: /**
michael@0:  * Used for HTML list (like HTML ul).
michael@0:  */
michael@0: class HTMLListAccessible : public HyperTextAccessibleWrap
michael@0: {
michael@0: public:
michael@0:   HTMLListAccessible(nsIContent* aContent, DocAccessible* aDoc) :
michael@0:     HyperTextAccessibleWrap(aContent, aDoc) { mGenericTypes |= eList; }
michael@0:   virtual ~HTMLListAccessible() { }
michael@0: 
michael@0:   // nsISupports
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   // Accessible
michael@0:   virtual a11y::role NativeRole();
michael@0:   virtual uint64_t NativeState();
michael@0: };
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Used for HTML list item (e.g. HTML li).
michael@0:  */
michael@0: class HTMLLIAccessible : public HyperTextAccessibleWrap
michael@0: {
michael@0: public:
michael@0:   HTMLLIAccessible(nsIContent* aContent, DocAccessible* aDoc);
michael@0:   virtual ~HTMLLIAccessible() { }
michael@0: 
michael@0:   // nsISupports
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0: 
michael@0:   // nsIAccessible
michael@0:   NS_IMETHOD GetBounds(int32_t* aX, int32_t* aY,
michael@0:                        int32_t* aWidth, int32_t* aHeight);
michael@0: 
michael@0:   // Accessible
michael@0:   virtual void Shutdown();
michael@0:   virtual a11y::role NativeRole();
michael@0:   virtual uint64_t NativeState();
michael@0: 
michael@0:   // HTMLLIAccessible
michael@0:   HTMLListBulletAccessible* Bullet() const { return mBullet; }
michael@0:   void UpdateBullet(bool aHasBullet);
michael@0: 
michael@0: protected:
michael@0:   // Accessible
michael@0:   virtual void CacheChildren();
michael@0: 
michael@0: private:
michael@0:   nsRefPtr<HTMLListBulletAccessible> mBullet;
michael@0: };
michael@0: 
michael@0: 
michael@0: /**
michael@0:  * Used for bullet of HTML list item element (for example, HTML li).
michael@0:  */
michael@0: class HTMLListBulletAccessible : public LeafAccessible
michael@0: {
michael@0: public:
michael@0:   HTMLListBulletAccessible(nsIContent* aContent, DocAccessible* aDoc);
michael@0:   virtual ~HTMLListBulletAccessible() { }
michael@0: 
michael@0:   // Accessible
michael@0:   virtual nsIFrame* GetFrame() const;
michael@0:   virtual ENameValueFlag Name(nsString& aName);
michael@0:   virtual a11y::role NativeRole();
michael@0:   virtual uint64_t NativeState();
michael@0:   virtual void AppendTextTo(nsAString& aText, uint32_t aStartOffset = 0,
michael@0:                             uint32_t aLength = UINT32_MAX);
michael@0: 
michael@0:   // HTMLListBulletAccessible
michael@0: 
michael@0:   /**
michael@0:    * Return true if the bullet is inside of list item element boundaries.
michael@0:    */
michael@0:   bool IsInside() const;
michael@0: };
michael@0: 
michael@0: 
michael@0: inline HTMLLIAccessible*
michael@0: Accessible::AsHTMLListItem()
michael@0: {
michael@0:   return IsHTMLListItem() ? static_cast<HTMLLIAccessible*>(this) : nullptr;
michael@0: }
michael@0: 
michael@0: } // namespace a11y
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif