зеркало из https://github.com/mozilla/gecko-dev.git
106 строки
3.6 KiB
C++
106 строки
3.6 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 <atk/atk.h>
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#include "AtkSocketAccessible.h"
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#include "InterfaceInitFuncs.h"
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#include "nsMai.h"
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#include "mozilla/Likely.h"
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using namespace mozilla::a11y;
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AtkSocketEmbedType AtkSocketAccessible::g_atk_socket_embed = nullptr;
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GType AtkSocketAccessible::g_atk_socket_type = G_TYPE_INVALID;
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const char* AtkSocketAccessible::sATKSocketEmbedSymbol = "atk_socket_embed";
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const char* AtkSocketAccessible::sATKSocketGetTypeSymbol =
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"atk_socket_get_type";
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bool AtkSocketAccessible::gCanEmbed = FALSE;
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extern "C" void mai_atk_component_iface_init(AtkComponentIface* aIface);
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G_DEFINE_TYPE_EXTENDED(MaiAtkSocket, mai_atk_socket,
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AtkSocketAccessible::g_atk_socket_type, 0,
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G_IMPLEMENT_INTERFACE(ATK_TYPE_COMPONENT,
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mai_atk_component_iface_init))
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void mai_atk_socket_class_init(MaiAtkSocketClass* aAcc) {}
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void mai_atk_socket_init(MaiAtkSocket* aAcc) {}
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static AtkObject* mai_atk_socket_new(AccessibleWrap* aAccWrap) {
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NS_ENSURE_TRUE(aAccWrap, nullptr);
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MaiAtkSocket* acc = nullptr;
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acc = static_cast<MaiAtkSocket*>(g_object_new(MAI_TYPE_ATK_SOCKET, nullptr));
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NS_ENSURE_TRUE(acc, nullptr);
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acc->accWrap = aAccWrap;
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return ATK_OBJECT(acc);
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}
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extern "C" {
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static AtkObject* RefAccessibleAtPoint(AtkComponent* aComponent, gint aX,
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gint aY, AtkCoordType aCoordType) {
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NS_ENSURE_TRUE(MAI_IS_ATK_SOCKET(aComponent), nullptr);
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return refAccessibleAtPointHelper(ATK_OBJECT(MAI_ATK_SOCKET(aComponent)), aX,
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aY, aCoordType);
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}
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static void GetExtents(AtkComponent* aComponent, gint* aX, gint* aY,
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gint* aWidth, gint* aHeight, AtkCoordType aCoordType) {
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*aX = *aY = *aWidth = *aHeight = 0;
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if (!MAI_IS_ATK_SOCKET(aComponent)) return;
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getExtentsHelper(ATK_OBJECT(MAI_ATK_SOCKET(aComponent)), aX, aY, aWidth,
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aHeight, aCoordType);
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}
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}
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void mai_atk_component_iface_init(AtkComponentIface* aIface) {
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NS_ASSERTION(aIface, "Invalid Interface");
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if (MOZ_UNLIKELY(!aIface)) return;
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aIface->ref_accessible_at_point = RefAccessibleAtPoint;
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aIface->get_extents = GetExtents;
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}
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AtkSocketAccessible::AtkSocketAccessible(nsIContent* aContent,
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DocAccessible* aDoc,
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const nsCString& aPlugId)
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: AccessibleWrap(aContent, aDoc) {
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mAtkObject = mai_atk_socket_new(this);
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if (!mAtkObject) return;
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// Embeds the children of an AtkPlug, specified by plugId, as the children of
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// this socket.
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// Using G_TYPE macros instead of ATK_SOCKET macros to avoid undefined
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// symbols.
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if (gCanEmbed && G_TYPE_CHECK_INSTANCE_TYPE(mAtkObject, g_atk_socket_type) &&
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!aPlugId.IsVoid()) {
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AtkSocket* accSocket =
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G_TYPE_CHECK_INSTANCE_CAST(mAtkObject, g_atk_socket_type, AtkSocket);
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g_atk_socket_embed(accSocket, (gchar*)aPlugId.get());
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}
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}
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void AtkSocketAccessible::GetNativeInterface(void** aOutAccessible) {
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*aOutAccessible = mAtkObject;
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}
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void AtkSocketAccessible::Shutdown() {
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if (mAtkObject) {
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if (MAI_IS_ATK_SOCKET(mAtkObject))
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MAI_ATK_SOCKET(mAtkObject)->accWrap = nullptr;
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g_object_unref(mAtkObject);
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mAtkObject = nullptr;
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}
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AccessibleWrap::Shutdown();
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}
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