UiaRoot.cpp (1619B)
1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ 2 /* vim: set ts=2 et sw=2 tw=80: */ 3 /* This Source Code Form is subject to the terms of the Mozilla Public 4 * License, v. 2.0. If a copy of the MPL was not distributed with this file, 5 * You can obtain one at http://mozilla.org/MPL/2.0/. */ 6 7 #include "UiaRoot.h" 8 9 #include "MsaaRootAccessible.h" 10 #include "RootAccessible.h" 11 12 using namespace mozilla; 13 using namespace mozilla::a11y; 14 15 // UiaRoot 16 17 Accessible* UiaRoot::Acc() { 18 auto* mr = static_cast<MsaaRootAccessible*>(this); 19 return static_cast<MsaaAccessible*>(mr)->Acc(); 20 } 21 22 // IRawElementProviderFragmentRoot 23 24 STDMETHODIMP 25 UiaRoot::ElementProviderFromPoint( 26 double aX, double aY, 27 __RPC__deref_out_opt IRawElementProviderFragment** aRetVal) { 28 if (!aRetVal) { 29 return E_INVALIDARG; 30 } 31 *aRetVal = nullptr; 32 Accessible* acc = Acc(); 33 if (!acc) { 34 return CO_E_OBJNOTCONNECTED; 35 } 36 if (Accessible* target = acc->ChildAtPoint( 37 aX, aY, Accessible::EWhichChildAtPoint::DeepestChild)) { 38 RefPtr<IRawElementProviderFragment> fragment = 39 MsaaAccessible::GetFrom(target); 40 fragment.forget(aRetVal); 41 } 42 return S_OK; 43 } 44 45 STDMETHODIMP 46 UiaRoot::GetFocus(__RPC__deref_out_opt IRawElementProviderFragment** aRetVal) { 47 if (!aRetVal) { 48 return E_INVALIDARG; 49 } 50 *aRetVal = nullptr; 51 Accessible* acc = Acc(); 52 if (!acc) { 53 return CO_E_OBJNOTCONNECTED; 54 } 55 if (Accessible* focus = acc->FocusedChild()) { 56 RefPtr<IRawElementProviderFragment> fragment = 57 MsaaAccessible::GetFrom(focus); 58 fragment.forget(aRetVal); 59 } 60 return S_OK; 61 }