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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /accessible/base/nsEventShell.cpp | |
parent | Initial commit. (diff) | |
download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.zip |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'accessible/base/nsEventShell.cpp')
-rw-r--r-- | accessible/base/nsEventShell.cpp | 81 |
1 files changed, 81 insertions, 0 deletions
diff --git a/accessible/base/nsEventShell.cpp b/accessible/base/nsEventShell.cpp new file mode 100644 index 0000000000..fcdc954919 --- /dev/null +++ b/accessible/base/nsEventShell.cpp @@ -0,0 +1,81 @@ +/* -*- 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/. */ + +#include "nsEventShell.h" + +#include "nsAccUtils.h" +#include "Logging.h" +#include "AccAttributes.h" + +#include "mozilla/StaticPtr.h" +#include "mozilla/dom/DOMStringList.h" + +using namespace mozilla; +using namespace mozilla::a11y; + +//////////////////////////////////////////////////////////////////////////////// +// nsEventShell +//////////////////////////////////////////////////////////////////////////////// + +void nsEventShell::FireEvent(AccEvent* aEvent) { + if (!aEvent || aEvent->mEventRule == AccEvent::eDoNotEmit) return; + + LocalAccessible* accessible = aEvent->GetAccessible(); + NS_ENSURE_TRUE_VOID(accessible); + + nsINode* node = accessible->GetNode(); + if (node) { + sEventTargetNode = node; + sEventFromUserInput = aEvent->IsFromUserInput(); + } + +#ifdef A11Y_LOG + if (logging::IsEnabled(logging::eEvents)) { + logging::MsgBegin("EVENTS", "events fired"); + nsAutoString type; + GetAccService()->GetStringEventType(aEvent->GetEventType(), type); + logging::MsgEntry("type: %s", NS_ConvertUTF16toUTF8(type).get()); + if (aEvent->GetEventType() == nsIAccessibleEvent::EVENT_STATE_CHANGE) { + AccStateChangeEvent* event = downcast_accEvent(aEvent); + RefPtr<dom::DOMStringList> stringStates = + GetAccService()->GetStringStates(event->GetState()); + nsAutoString state; + stringStates->Item(0, state); + logging::MsgEntry("state: %s = %s", NS_ConvertUTF16toUTF8(state).get(), + event->IsStateEnabled() ? "true" : "false"); + } + logging::AccessibleInfo("target", aEvent->GetAccessible()); + logging::MsgEnd(); + } +#endif + + accessible->HandleAccEvent(aEvent); + aEvent->mEventRule = AccEvent::eDoNotEmit; + + sEventTargetNode = nullptr; +} + +void nsEventShell::FireEvent(uint32_t aEventType, LocalAccessible* aAccessible, + EIsFromUserInput aIsFromUserInput) { + NS_ENSURE_TRUE_VOID(aAccessible); + + RefPtr<AccEvent> event = + new AccEvent(aEventType, aAccessible, aIsFromUserInput); + + FireEvent(event); +} + +void nsEventShell::GetEventAttributes(nsINode* aNode, + AccAttributes* aAttributes) { + if (aNode != sEventTargetNode) return; + + aAttributes->SetAttribute(nsGkAtoms::eventFromInput, sEventFromUserInput); +} + +//////////////////////////////////////////////////////////////////////////////// +// nsEventShell: private + +bool nsEventShell::sEventFromUserInput = false; +StaticRefPtr<nsINode> nsEventShell::sEventTargetNode; |