зеркало из https://github.com/mozilla/gecko-dev.git
70 строки
2.2 KiB
C++
70 строки
2.2 KiB
C++
/* -*- Mode: c++; c-basic-offset: 2; tab-width: 20; indent-tabs-mode: nil; -*-
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "RootAccessibleWrap.h"
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#include "LocalAccessible-inl.h"
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#include "DocAccessibleParent.h"
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#include "DocAccessible-inl.h"
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#include "SessionAccessibility.h"
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#include "mozilla/PresShell.h"
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#include "mozilla/dom/EventTarget.h"
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#include "mozilla/dom/Event.h"
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#include "mozilla/dom/MouseEvent.h"
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using namespace mozilla;
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using namespace mozilla::a11y;
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using namespace mozilla::dom;
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RootAccessibleWrap::RootAccessibleWrap(dom::Document* aDoc,
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PresShell* aPresShell)
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: RootAccessible(aDoc, aPresShell) {}
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RootAccessibleWrap::~RootAccessibleWrap() {}
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nsresult RootAccessibleWrap::AddEventListeners() {
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nsPIDOMWindowOuter* window = mDocumentNode->GetWindow();
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nsCOMPtr<EventTarget> nstarget = window ? window->GetParentTarget() : nullptr;
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if (nstarget) {
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nstarget->AddEventListener(u"MozMouseExploreByTouch"_ns, this, false, true);
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}
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return RootAccessible::AddEventListeners();
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}
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nsresult RootAccessibleWrap::RemoveEventListeners() {
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nsPIDOMWindowOuter* window = mDocumentNode->GetWindow();
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nsCOMPtr<EventTarget> nstarget = window ? window->GetParentTarget() : nullptr;
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if (nstarget) {
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nstarget->RemoveEventListener(u"MozMouseExploreByTouch"_ns, this, true);
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}
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return RootAccessible::RemoveEventListeners();
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}
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////////////////////////////////////////////////////////////////////////////////
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// nsIDOMEventListener
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NS_IMETHODIMP
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RootAccessibleWrap::HandleEvent(Event* aDOMEvent) {
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WidgetMouseEvent* widgetEvent = aDOMEvent->WidgetEventPtr()->AsMouseEvent();
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if (widgetEvent && widgetEvent->mMessage == eMouseExploreByTouch) {
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if (HasShutdown()) {
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return NS_OK;
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}
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if (MouseEvent* mouseEvent = aDOMEvent->AsMouseEvent()) {
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LayoutDeviceIntPoint point = mouseEvent->ScreenPointLayoutDevicePix();
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ExploreByTouch(point.x, point.y);
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}
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return NS_OK;
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}
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return RootAccessible::HandleEvent(aDOMEvent);
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}
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