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_HTMLWin32ObjectAccessible_h_
michael@0: #define mozilla_a11y_HTMLWin32ObjectAccessible_h_
michael@0: 
michael@0: #include "BaseAccessibles.h"
michael@0: 
michael@0: struct IAccessible;
michael@0: 
michael@0: namespace mozilla {
michael@0: namespace a11y {
michael@0: 
michael@0: class HTMLWin32ObjectOwnerAccessible : public AccessibleWrap
michael@0: {
michael@0: public:
michael@0:   // This will own the HTMLWin32ObjectAccessible. We create this where the
michael@0:   // <object> or <embed> exists in the tree, so that get_accNextSibling() etc.
michael@0:   // will still point to Gecko accessible sibling content. This is necessary
michael@0:   // because the native plugin accessible doesn't know where it exists in the
michael@0:   // Mozilla tree, and returns null for previous and next sibling. This would
michael@0:   // have the effect of cutting off all content after the plugin.
michael@0:   HTMLWin32ObjectOwnerAccessible(nsIContent* aContent,
michael@0:                                    DocAccessible* aDoc, void* aHwnd);
michael@0:   virtual ~HTMLWin32ObjectOwnerAccessible() {}
michael@0: 
michael@0:   // Accessible
michael@0:   virtual void Shutdown();
michael@0:   virtual mozilla::a11y::role NativeRole();
michael@0:   virtual bool NativelyUnavailable() const;
michael@0: 
michael@0: protected:
michael@0: 
michael@0:   // Accessible
michael@0:   virtual void CacheChildren();
michael@0: 
michael@0:   void* mHwnd;
michael@0:   nsRefPtr<Accessible> mNativeAccessible;
michael@0: };
michael@0: 
michael@0: /**
michael@0:   * This class is used only internally, we never! send out an IAccessible linked
michael@0:   *   back to this object. This class is used to represent a plugin object when
michael@0:   *   referenced as a child or sibling of another Accessible node. We need only
michael@0:   *   a limited portion of the nsIAccessible interface implemented here. The
michael@0:   *   in depth accessible information will be returned by the actual IAccessible
michael@0:   *   object returned by us in Accessible::NewAccessible() that gets the IAccessible
michael@0:   *   from the windows system from the window handle.
michael@0:   */
michael@0: class HTMLWin32ObjectAccessible : public DummyAccessible
michael@0: {
michael@0: public:
michael@0:   HTMLWin32ObjectAccessible(void* aHwnd);
michael@0:   virtual ~HTMLWin32ObjectAccessible() {}
michael@0: 
michael@0:   NS_IMETHOD GetNativeInterface(void** aNativeAccessible) MOZ_OVERRIDE;
michael@0: 
michael@0: protected:
michael@0:   void* mHwnd;
michael@0: };
michael@0: 
michael@0: } // namespace a11y
michael@0: } // namespace mozilla
michael@0: 
michael@0: #endif