mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
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121 lines
3.0 KiB
C++
121 lines
3.0 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=2 et sw=2 tw=80: */
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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 "Platform.h"
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#include "AccEvent.h"
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#include "Compatibility.h"
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#include "HyperTextAccessibleWrap.h"
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#include "ia2AccessibleText.h"
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#include "nsWinUtils.h"
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#include "mozilla/a11y/ProxyAccessible.h"
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#include "ProxyWrappers.h"
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using namespace mozilla;
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using namespace mozilla::a11y;
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void
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a11y::PlatformInit()
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{
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Compatibility::Init();
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nsWinUtils::MaybeStartWindowEmulation();
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ia2AccessibleText::InitTextChangeData();
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}
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void
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a11y::PlatformShutdown()
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{
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::DestroyCaret();
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nsWinUtils::ShutdownWindowEmulation();
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}
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void
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a11y::ProxyCreated(ProxyAccessible* aProxy, uint32_t aInterfaces)
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{
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AccessibleWrap* wrapper = nullptr;
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if (aInterfaces & Interfaces::DOCUMENT) {
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wrapper = new DocProxyAccessibleWrap(aProxy);
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} else if (aInterfaces & Interfaces::HYPERTEXT) {
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wrapper = new HyperTextProxyAccessibleWrap(aProxy);
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} else {
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wrapper = new ProxyAccessibleWrap(aProxy);
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}
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wrapper->SetProxyInterfaces(aInterfaces);
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wrapper->AddRef();
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aProxy->SetWrapper(reinterpret_cast<uintptr_t>(wrapper));
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}
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void
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a11y::ProxyDestroyed(ProxyAccessible* aProxy)
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{
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AccessibleWrap* wrapper =
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reinterpret_cast<AccessibleWrap*>(aProxy->GetWrapper());
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MOZ_ASSERT(wrapper);
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if (!wrapper)
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return;
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auto doc =
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static_cast<DocProxyAccessibleWrap*>(WrapperFor(aProxy->Document()));
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MOZ_ASSERT(doc);
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if (doc) {
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#ifdef _WIN64
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uint32_t id = wrapper->GetExistingID();
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if (id != AccessibleWrap::kNoID) {
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doc->RemoveID(id);
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}
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#else
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doc->RemoveID(-reinterpret_cast<int32_t>(wrapper));
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#endif
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}
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wrapper->Shutdown();
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aProxy->SetWrapper(0);
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wrapper->Release();
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}
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void
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a11y::ProxyEvent(ProxyAccessible* aTarget, uint32_t aEventType)
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{
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AccessibleWrap::FireWinEvent(WrapperFor(aTarget), aEventType);
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}
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void
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a11y::ProxyStateChangeEvent(ProxyAccessible* aTarget, uint64_t, bool)
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{
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AccessibleWrap::FireWinEvent(WrapperFor(aTarget),
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nsIAccessibleEvent::EVENT_STATE_CHANGE);
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}
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void
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a11y::ProxyCaretMoveEvent(ProxyAccessible* aTarget, int32_t aOffset)
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{
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AccessibleWrap::FireWinEvent(WrapperFor(aTarget),
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nsIAccessibleEvent::EVENT_TEXT_CARET_MOVED);
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}
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void
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a11y::ProxyTextChangeEvent(ProxyAccessible* aText, const nsString& aStr,
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int32_t aStart, uint32_t aLen, bool aInsert, bool)
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{
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AccessibleWrap* wrapper = WrapperFor(aText);
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MOZ_ASSERT(wrapper);
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if (!wrapper) {
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return;
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}
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auto text = static_cast<HyperTextAccessibleWrap*>(wrapper->AsHyperText());
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if (text) {
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ia2AccessibleText::UpdateTextChangeData(text, aInsert, aStr, aStart, aLen);
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}
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uint32_t eventType = aInsert ? nsIAccessibleEvent::EVENT_TEXT_INSERTED :
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nsIAccessibleEvent::EVENT_TEXT_REMOVED;
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AccessibleWrap::FireWinEvent(wrapper, eventType);
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}
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