The Tor Browser: accessible/src/windows/msaa/HTMLWin32ObjectAccessible.h@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 #ifndef mozilla_a11y_HTMLWin32ObjectAccessible_h_

     7 #define mozilla_a11y_HTMLWin32ObjectAccessible_h_

     9 #include "BaseAccessibles.h"

    11 struct IAccessible;

    13 namespace mozilla {

    14 namespace a11y {

    16 class HTMLWin32ObjectOwnerAccessible : public AccessibleWrap

    17 {

    18 public:

    19   // This will own the HTMLWin32ObjectAccessible. We create this where the

    20   // <object> or <embed> exists in the tree, so that get_accNextSibling() etc.

    21   // will still point to Gecko accessible sibling content. This is necessary

    22   // because the native plugin accessible doesn't know where it exists in the

    23   // Mozilla tree, and returns null for previous and next sibling. This would

    24   // have the effect of cutting off all content after the plugin.

    25   HTMLWin32ObjectOwnerAccessible(nsIContent* aContent,

    26                                    DocAccessible* aDoc, void* aHwnd);

    27   virtual ~HTMLWin32ObjectOwnerAccessible() {}

    29   // Accessible

    30   virtual void Shutdown();

    31   virtual mozilla::a11y::role NativeRole();

    32   virtual bool NativelyUnavailable() const;

    34 protected:

    36   // Accessible

    37   virtual void CacheChildren();

    39   void* mHwnd;

    40   nsRefPtr<Accessible> mNativeAccessible;

    41 };

    43 /**

    44   * This class is used only internally, we never! send out an IAccessible linked

    45   *   back to this object. This class is used to represent a plugin object when

    46   *   referenced as a child or sibling of another Accessible node. We need only

    47   *   a limited portion of the nsIAccessible interface implemented here. The

    48   *   in depth accessible information will be returned by the actual IAccessible

    49   *   object returned by us in Accessible::NewAccessible() that gets the IAccessible

    50   *   from the windows system from the window handle.

    51   */

    52 class HTMLWin32ObjectAccessible : public DummyAccessible

    53 {

    54 public:

    55   HTMLWin32ObjectAccessible(void* aHwnd);

    56   virtual ~HTMLWin32ObjectAccessible() {}

    58   NS_IMETHOD GetNativeInterface(void** aNativeAccessible) MOZ_OVERRIDE;

    60 protected:

    61   void* mHwnd;

    62 };

    64 } // namespace a11y

    65 } // namespace mozilla

    67 #endif

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