michael@0: /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
michael@0: /* vim: set ts=2 et sw=2 tw=80: */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include <atk/atk.h>
michael@0: #include "AtkSocketAccessible.h"
michael@0: 
michael@0: #include "InterfaceInitFuncs.h"
michael@0: #include "nsMai.h"
michael@0: #include "mozilla/Likely.h"
michael@0: 
michael@0: using namespace mozilla::a11y;
michael@0: 
michael@0: AtkSocketEmbedType AtkSocketAccessible::g_atk_socket_embed = nullptr;
michael@0: GType AtkSocketAccessible::g_atk_socket_type = G_TYPE_INVALID;
michael@0: const char* AtkSocketAccessible::sATKSocketEmbedSymbol = "atk_socket_embed";
michael@0: const char* AtkSocketAccessible::sATKSocketGetTypeSymbol = "atk_socket_get_type";
michael@0: 
michael@0: bool AtkSocketAccessible::gCanEmbed = FALSE;
michael@0: 
michael@0: extern "C" void mai_atk_component_iface_init(AtkComponentIface* aIface);
michael@0: extern "C" GType mai_atk_socket_get_type(void);
michael@0: 
michael@0: /* MaiAtkSocket */
michael@0: 
michael@0: #define MAI_TYPE_ATK_SOCKET              (mai_atk_socket_get_type ())
michael@0: #define MAI_ATK_SOCKET(obj)              (G_TYPE_CHECK_INSTANCE_CAST ((obj),\
michael@0:                                           MAI_TYPE_ATK_SOCKET, MaiAtkSocket))
michael@0: #define MAI_IS_ATK_SOCKET(obj)           (G_TYPE_CHECK_INSTANCE_TYPE ((obj),\
michael@0:                                           MAI_TYPE_ATK_SOCKET))
michael@0: #define MAI_ATK_SOCKET_CLASS(klass)      (G_TYPE_CHECK_CLASS_CAST ((klass),\
michael@0:                                           MAI_TYPE_ATK_SOCKET,\
michael@0:                                           MaiAtkSocketClass))
michael@0: #define MAI_IS_ATK_SOCKET_CLASS(klass)   (G_TYPE_CHECK_CLASS_TYPE ((klass),\
michael@0:                                           MAI_TYPE_ATK_SOCKET))
michael@0: #define MAI_ATK_SOCKET_GET_CLASS(obj)    (G_TYPE_INSTANCE_GET_CLASS ((obj),\
michael@0:                                           MAI_TYPE_ATK_SOCKET,\
michael@0:                                           MaiAtkSocketClass))
michael@0: 
michael@0: typedef struct _MaiAtkSocket
michael@0: {
michael@0:   AtkSocket parent;
michael@0: 
michael@0:   AccessibleWrap* accWrap;
michael@0: } MaiAtkSocket;
michael@0: 
michael@0: typedef struct _MaiAtkSocketClass
michael@0: {
michael@0:   AtkSocketClass parent_class;
michael@0: } MaiAtkSocketClass;
michael@0: 
michael@0: G_DEFINE_TYPE_EXTENDED(MaiAtkSocket, mai_atk_socket,
michael@0:                        AtkSocketAccessible::g_atk_socket_type, 0,
michael@0:                        G_IMPLEMENT_INTERFACE(ATK_TYPE_COMPONENT,
michael@0:                                              mai_atk_component_iface_init))
michael@0: 
michael@0: void
michael@0: mai_atk_socket_class_init(MaiAtkSocketClass* aAcc)
michael@0: {
michael@0: }
michael@0: 
michael@0: void
michael@0: mai_atk_socket_init(MaiAtkSocket* aAcc)
michael@0: {
michael@0: }
michael@0: 
michael@0: static AtkObject*
michael@0: mai_atk_socket_new(AccessibleWrap* aAccWrap)
michael@0: {
michael@0:   NS_ENSURE_TRUE(aAccWrap, nullptr);
michael@0: 
michael@0:   MaiAtkSocket* acc = nullptr;
michael@0:   acc = static_cast<MaiAtkSocket*>(g_object_new(MAI_TYPE_ATK_SOCKET, nullptr));
michael@0:   NS_ENSURE_TRUE(acc, nullptr);
michael@0: 
michael@0:   acc->accWrap = aAccWrap;
michael@0:   return ATK_OBJECT(acc);
michael@0: }
michael@0: 
michael@0: extern "C" {
michael@0: static AtkObject*
michael@0: RefAccessibleAtPoint(AtkComponent* aComponent, gint aX, gint aY,
michael@0:                      AtkCoordType aCoordType)
michael@0: {
michael@0:   NS_ENSURE_TRUE(MAI_IS_ATK_SOCKET(aComponent), nullptr);
michael@0: 
michael@0:   return refAccessibleAtPointHelper(MAI_ATK_SOCKET(aComponent)->accWrap,
michael@0:                                     aX, aY, aCoordType);
michael@0: }
michael@0: 
michael@0: static void
michael@0: GetExtents(AtkComponent* aComponent, gint* aX, gint* aY, gint* aWidth,
michael@0:            gint* aHeight, AtkCoordType aCoordType)
michael@0: {
michael@0:   *aX = *aY = *aWidth = *aHeight = 0;
michael@0: 
michael@0:   if (!MAI_IS_ATK_SOCKET(aComponent))
michael@0:     return;
michael@0: 
michael@0:   getExtentsHelper(MAI_ATK_SOCKET(aComponent)->accWrap,
michael@0:                    aX, aY, aWidth, aHeight, aCoordType);
michael@0: }
michael@0: }
michael@0: 
michael@0: void
michael@0: mai_atk_component_iface_init(AtkComponentIface* aIface)
michael@0: {
michael@0:   NS_ASSERTION(aIface, "Invalid Interface");
michael@0:   if (MOZ_UNLIKELY(!aIface))
michael@0:     return;
michael@0: 
michael@0:   aIface->ref_accessible_at_point = RefAccessibleAtPoint;
michael@0:   aIface->get_extents = GetExtents;
michael@0: }
michael@0: 
michael@0: AtkSocketAccessible::AtkSocketAccessible(nsIContent* aContent,
michael@0:                                          DocAccessible* aDoc,
michael@0:                                          const nsCString& aPlugId) :
michael@0:   AccessibleWrap(aContent, aDoc)
michael@0: {
michael@0:   mAtkObject = mai_atk_socket_new(this);
michael@0:   if (!mAtkObject)
michael@0:     return;
michael@0: 
michael@0:   // Embeds the children of an AtkPlug, specified by plugId, as the children of
michael@0:   // this socket.
michael@0:   // Using G_TYPE macros instead of ATK_SOCKET macros to avoid undefined
michael@0:   // symbols.
michael@0:   if (gCanEmbed && G_TYPE_CHECK_INSTANCE_TYPE(mAtkObject, g_atk_socket_type) &&
michael@0:       !aPlugId.IsVoid()) {
michael@0:     AtkSocket* accSocket =
michael@0:       G_TYPE_CHECK_INSTANCE_CAST(mAtkObject, g_atk_socket_type, AtkSocket);
michael@0:     g_atk_socket_embed(accSocket, (gchar*)aPlugId.get());
michael@0:   }
michael@0: }
michael@0: 
michael@0: NS_IMETHODIMP
michael@0: AtkSocketAccessible::GetNativeInterface(void** aOutAccessible)
michael@0: {
michael@0:   *aOutAccessible = mAtkObject;
michael@0:   return NS_OK;
michael@0: }
michael@0: 
michael@0: void
michael@0: AtkSocketAccessible::Shutdown()
michael@0: {
michael@0:   if (mAtkObject) {
michael@0:     if (MAI_IS_ATK_SOCKET(mAtkObject))
michael@0:       MAI_ATK_SOCKET(mAtkObject)->accWrap = nullptr;
michael@0:     g_object_unref(mAtkObject);
michael@0:     mAtkObject = nullptr;
michael@0:   }
michael@0:   AccessibleWrap::Shutdown();
michael@0: }