diff options
Diffstat (limited to 'accessible/android/RootAccessibleWrap.cpp')
-rw-r--r-- | accessible/android/RootAccessibleWrap.cpp | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/accessible/android/RootAccessibleWrap.cpp b/accessible/android/RootAccessibleWrap.cpp new file mode 100644 index 0000000000..d21aed39ba --- /dev/null +++ b/accessible/android/RootAccessibleWrap.cpp @@ -0,0 +1,69 @@ +/* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*- + * 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 "RootAccessibleWrap.h" + +#include "LocalAccessible-inl.h" + +#include "DocAccessibleParent.h" +#include "DocAccessible-inl.h" +#include "SessionAccessibility.h" +#include "mozilla/PresShell.h" +#include "mozilla/dom/EventTarget.h" +#include "mozilla/dom/Event.h" +#include "mozilla/dom/MouseEvent.h" + +using namespace mozilla; +using namespace mozilla::a11y; +using namespace mozilla::dom; + +RootAccessibleWrap::RootAccessibleWrap(dom::Document* aDoc, + PresShell* aPresShell) + : RootAccessible(aDoc, aPresShell) {} + +RootAccessibleWrap::~RootAccessibleWrap() {} + +nsresult RootAccessibleWrap::AddEventListeners() { + nsPIDOMWindowOuter* window = mDocumentNode->GetWindow(); + nsCOMPtr<EventTarget> nstarget = window ? window->GetParentTarget() : nullptr; + + if (nstarget) { + nstarget->AddEventListener(u"MozMouseExploreByTouch"_ns, this, false, true); + } + + return RootAccessible::AddEventListeners(); +} + +nsresult RootAccessibleWrap::RemoveEventListeners() { + nsPIDOMWindowOuter* window = mDocumentNode->GetWindow(); + nsCOMPtr<EventTarget> nstarget = window ? window->GetParentTarget() : nullptr; + if (nstarget) { + nstarget->RemoveEventListener(u"MozMouseExploreByTouch"_ns, this, true); + } + + return RootAccessible::RemoveEventListeners(); +} + +//////////////////////////////////////////////////////////////////////////////// +// nsIDOMEventListener + +NS_IMETHODIMP +RootAccessibleWrap::HandleEvent(Event* aDOMEvent) { + WidgetMouseEvent* widgetEvent = aDOMEvent->WidgetEventPtr()->AsMouseEvent(); + if (widgetEvent && widgetEvent->mMessage == eMouseExploreByTouch) { + if (HasShutdown()) { + return NS_OK; + } + + if (MouseEvent* mouseEvent = aDOMEvent->AsMouseEvent()) { + LayoutDeviceIntPoint point = mouseEvent->ScreenPointLayoutDevicePix(); + ExploreByTouch(point.x, point.y); + } + + return NS_OK; + } + + return RootAccessible::HandleEvent(aDOMEvent); +} |