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/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/. *
*/
#ifndef MOZILLA_A11Y_ProxyWrappers_h
#define MOZILLA_A11Y_ProxyWrappers_h
#include "HyperTextAccessible.h"
namespace mozilla {
namespace a11y {
class ProxyAccessibleWrap : public AccessibleWrap
{
public:
ProxyAccessibleWrap(ProxyAccessible* aProxy) :
AccessibleWrap(nullptr, nullptr)
{
mType = eProxyType;
mBits.proxy = aProxy;
}
virtual void Shutdown() override
{
mBits.proxy = nullptr;
mStateFlags |= eIsDefunct;
}
virtual void GetNativeInterface(void** aOutAccessible) override
{
mBits.proxy->GetCOMInterface(aOutAccessible);
}
};
class HyperTextProxyAccessibleWrap : public HyperTextAccessibleWrap
{
public:
HyperTextProxyAccessibleWrap(ProxyAccessible* aProxy) :
HyperTextAccessibleWrap(nullptr, nullptr)
{
mType = eProxyType;
mBits.proxy = aProxy;
}
virtual void Shutdown() override
{
mBits.proxy = nullptr;
mStateFlags |= eIsDefunct;
}
virtual void GetNativeInterface(void** aOutAccessible) override
{
mBits.proxy->GetCOMInterface(aOutAccessible);
}
};
class DocProxyAccessibleWrap : public HyperTextProxyAccessibleWrap
{
public:
DocProxyAccessibleWrap(ProxyAccessible* aProxy) :
HyperTextProxyAccessibleWrap(aProxy)
{ mGenericTypes |= eDocument; }
void AddID(uint32_t aID, AccessibleWrap* aAcc)
{ mIDToAccessibleMap.Put(aID, aAcc); }
void RemoveID(uint32_t aID) { mIDToAccessibleMap.Remove(aID); }
AccessibleWrap* GetAccessibleByID(uint32_t aID) const
{ return mIDToAccessibleMap.Get(aID); }
private:
/*
* This provides a mapping from 32 bit id to accessible objects.
*/
nsDataHashtable<nsUint32HashKey, AccessibleWrap*> mIDToAccessibleMap;
};
template<typename T>
inline ProxyAccessible*
HyperTextProxyFor(T* aWrapper)
{
static_assert(mozilla::IsBaseOf<IUnknown, T>::value, "only IAccessible* should be passed in");
auto wrapper = static_cast<HyperTextProxyAccessibleWrap*>(aWrapper);
return wrapper->IsProxy() ? wrapper->Proxy() : nullptr;
}
}
}
#endif
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