/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ /* vim: set ts=2 et sw=2 tw=80: */ /* 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