1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/accessible/src/atk/AtkSocketAccessible.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,156 @@
1.4 +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
1.5 +/* vim: set ts=2 et sw=2 tw=80: */
1.6 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include <atk/atk.h>
1.11 +#include "AtkSocketAccessible.h"
1.12 +
1.13 +#include "InterfaceInitFuncs.h"
1.14 +#include "nsMai.h"
1.15 +#include "mozilla/Likely.h"
1.16 +
1.17 +using namespace mozilla::a11y;
1.18 +
1.19 +AtkSocketEmbedType AtkSocketAccessible::g_atk_socket_embed = nullptr;
1.20 +GType AtkSocketAccessible::g_atk_socket_type = G_TYPE_INVALID;
1.21 +const char* AtkSocketAccessible::sATKSocketEmbedSymbol = "atk_socket_embed";
1.22 +const char* AtkSocketAccessible::sATKSocketGetTypeSymbol = "atk_socket_get_type";
1.23 +
1.24 +bool AtkSocketAccessible::gCanEmbed = FALSE;
1.25 +
1.26 +extern "C" void mai_atk_component_iface_init(AtkComponentIface* aIface);
1.27 +extern "C" GType mai_atk_socket_get_type(void);
1.28 +
1.29 +/* MaiAtkSocket */
1.30 +
1.31 +#define MAI_TYPE_ATK_SOCKET (mai_atk_socket_get_type ())
1.32 +#define MAI_ATK_SOCKET(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj),\
1.33 + MAI_TYPE_ATK_SOCKET, MaiAtkSocket))
1.34 +#define MAI_IS_ATK_SOCKET(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj),\
1.35 + MAI_TYPE_ATK_SOCKET))
1.36 +#define MAI_ATK_SOCKET_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass),\
1.37 + MAI_TYPE_ATK_SOCKET,\
1.38 + MaiAtkSocketClass))
1.39 +#define MAI_IS_ATK_SOCKET_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),\
1.40 + MAI_TYPE_ATK_SOCKET))
1.41 +#define MAI_ATK_SOCKET_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj),\
1.42 + MAI_TYPE_ATK_SOCKET,\
1.43 + MaiAtkSocketClass))
1.44 +
1.45 +typedef struct _MaiAtkSocket
1.46 +{
1.47 + AtkSocket parent;
1.48 +
1.49 + AccessibleWrap* accWrap;
1.50 +} MaiAtkSocket;
1.51 +
1.52 +typedef struct _MaiAtkSocketClass
1.53 +{
1.54 + AtkSocketClass parent_class;
1.55 +} MaiAtkSocketClass;
1.56 +
1.57 +G_DEFINE_TYPE_EXTENDED(MaiAtkSocket, mai_atk_socket,
1.58 + AtkSocketAccessible::g_atk_socket_type, 0,
1.59 + G_IMPLEMENT_INTERFACE(ATK_TYPE_COMPONENT,
1.60 + mai_atk_component_iface_init))
1.61 +
1.62 +void
1.63 +mai_atk_socket_class_init(MaiAtkSocketClass* aAcc)
1.64 +{
1.65 +}
1.66 +
1.67 +void
1.68 +mai_atk_socket_init(MaiAtkSocket* aAcc)
1.69 +{
1.70 +}
1.71 +
1.72 +static AtkObject*
1.73 +mai_atk_socket_new(AccessibleWrap* aAccWrap)
1.74 +{
1.75 + NS_ENSURE_TRUE(aAccWrap, nullptr);
1.76 +
1.77 + MaiAtkSocket* acc = nullptr;
1.78 + acc = static_cast<MaiAtkSocket*>(g_object_new(MAI_TYPE_ATK_SOCKET, nullptr));
1.79 + NS_ENSURE_TRUE(acc, nullptr);
1.80 +
1.81 + acc->accWrap = aAccWrap;
1.82 + return ATK_OBJECT(acc);
1.83 +}
1.84 +
1.85 +extern "C" {
1.86 +static AtkObject*
1.87 +RefAccessibleAtPoint(AtkComponent* aComponent, gint aX, gint aY,
1.88 + AtkCoordType aCoordType)
1.89 +{
1.90 + NS_ENSURE_TRUE(MAI_IS_ATK_SOCKET(aComponent), nullptr);
1.91 +
1.92 + return refAccessibleAtPointHelper(MAI_ATK_SOCKET(aComponent)->accWrap,
1.93 + aX, aY, aCoordType);
1.94 +}
1.95 +
1.96 +static void
1.97 +GetExtents(AtkComponent* aComponent, gint* aX, gint* aY, gint* aWidth,
1.98 + gint* aHeight, AtkCoordType aCoordType)
1.99 +{
1.100 + *aX = *aY = *aWidth = *aHeight = 0;
1.101 +
1.102 + if (!MAI_IS_ATK_SOCKET(aComponent))
1.103 + return;
1.104 +
1.105 + getExtentsHelper(MAI_ATK_SOCKET(aComponent)->accWrap,
1.106 + aX, aY, aWidth, aHeight, aCoordType);
1.107 +}
1.108 +}
1.109 +
1.110 +void
1.111 +mai_atk_component_iface_init(AtkComponentIface* aIface)
1.112 +{
1.113 + NS_ASSERTION(aIface, "Invalid Interface");
1.114 + if (MOZ_UNLIKELY(!aIface))
1.115 + return;
1.116 +
1.117 + aIface->ref_accessible_at_point = RefAccessibleAtPoint;
1.118 + aIface->get_extents = GetExtents;
1.119 +}
1.120 +
1.121 +AtkSocketAccessible::AtkSocketAccessible(nsIContent* aContent,
1.122 + DocAccessible* aDoc,
1.123 + const nsCString& aPlugId) :
1.124 + AccessibleWrap(aContent, aDoc)
1.125 +{
1.126 + mAtkObject = mai_atk_socket_new(this);
1.127 + if (!mAtkObject)
1.128 + return;
1.129 +
1.130 + // Embeds the children of an AtkPlug, specified by plugId, as the children of
1.131 + // this socket.
1.132 + // Using G_TYPE macros instead of ATK_SOCKET macros to avoid undefined
1.133 + // symbols.
1.134 + if (gCanEmbed && G_TYPE_CHECK_INSTANCE_TYPE(mAtkObject, g_atk_socket_type) &&
1.135 + !aPlugId.IsVoid()) {
1.136 + AtkSocket* accSocket =
1.137 + G_TYPE_CHECK_INSTANCE_CAST(mAtkObject, g_atk_socket_type, AtkSocket);
1.138 + g_atk_socket_embed(accSocket, (gchar*)aPlugId.get());
1.139 + }
1.140 +}
1.141 +
1.142 +NS_IMETHODIMP
1.143 +AtkSocketAccessible::GetNativeInterface(void** aOutAccessible)
1.144 +{
1.145 + *aOutAccessible = mAtkObject;
1.146 + return NS_OK;
1.147 +}
1.148 +
1.149 +void
1.150 +AtkSocketAccessible::Shutdown()
1.151 +{
1.152 + if (mAtkObject) {
1.153 + if (MAI_IS_ATK_SOCKET(mAtkObject))
1.154 + MAI_ATK_SOCKET(mAtkObject)->accWrap = nullptr;
1.155 + g_object_unref(mAtkObject);
1.156 + mAtkObject = nullptr;
1.157 + }
1.158 + AccessibleWrap::Shutdown();
1.159 +}
