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71 lines
2.4 KiB
C++
71 lines
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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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_HTMLWin32ObjectAccessible_h_
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#define mozilla_a11y_HTMLWin32ObjectAccessible_h_
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#include "BaseAccessibles.h"
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#if defined(MOZ_CONTENT_SANDBOX)
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#include "mozilla/mscom/Ptr.h"
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#endif
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struct IAccessible;
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namespace mozilla {
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namespace a11y {
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class HTMLWin32ObjectOwnerAccessible : public AccessibleWrap
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{
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public:
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// This will own the HTMLWin32ObjectAccessible. We create this where the
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// <object> or <embed> exists in the tree, so that get_accNextSibling() etc.
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// will still point to Gecko accessible sibling content. This is necessary
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// because the native plugin accessible doesn't know where it exists in the
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// Mozilla tree, and returns null for previous and next sibling. This would
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// have the effect of cutting off all content after the plugin.
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HTMLWin32ObjectOwnerAccessible(nsIContent* aContent,
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DocAccessible* aDoc, void* aHwnd);
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virtual ~HTMLWin32ObjectOwnerAccessible() {}
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// Accessible
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virtual void Shutdown();
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virtual mozilla::a11y::role NativeRole() const override;
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virtual bool NativelyUnavailable() const;
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protected:
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void* mHwnd;
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RefPtr<Accessible> mNativeAccessible;
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};
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/**
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* This class is used only internally, we never! send out an IAccessible linked
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* back to this object. This class is used to represent a plugin object when
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* referenced as a child or sibling of another Accessible node. We need only
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* a limited portion of the Accessible interface implemented here. The
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* in depth accessible information will be returned by the actual IAccessible
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* object returned by us in Accessible::NewAccessible() that gets the IAccessible
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* from the windows system from the window handle.
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*/
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class HTMLWin32ObjectAccessible : public DummyAccessible
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{
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public:
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HTMLWin32ObjectAccessible(void* aHwnd, DocAccessible* aDoc);
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virtual ~HTMLWin32ObjectAccessible() {}
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virtual void GetNativeInterface(void** aNativeAccessible) override;
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protected:
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void* mHwnd;
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#if defined(MOZ_CONTENT_SANDBOX)
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mscom::ProxyUniquePtr<IAccessible> mCOMProxy;
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#endif
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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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