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authorMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
committerMatt A. Tobin <mattatobin@localhost.localdomain>2018-02-02 04:16:08 -0500
commit5f8de423f190bbb79a62f804151bc24824fa32d8 (patch)
tree10027f336435511475e392454359edea8e25895d /accessible/atk/nsMaiInterfaceComponent.cpp
parent49ee0794b5d912db1f95dce6eb52d781dc210db5 (diff)
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Add m-esr52 at 52.6.0
Diffstat (limited to 'accessible/atk/nsMaiInterfaceComponent.cpp')
-rw-r--r--accessible/atk/nsMaiInterfaceComponent.cpp151
1 files changed, 151 insertions, 0 deletions
diff --git a/accessible/atk/nsMaiInterfaceComponent.cpp b/accessible/atk/nsMaiInterfaceComponent.cpp
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+++ b/accessible/atk/nsMaiInterfaceComponent.cpp
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+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "InterfaceInitFuncs.h"
+
+#include "AccessibleWrap.h"
+#include "nsAccUtils.h"
+#include "nsCoreUtils.h"
+#include "nsMai.h"
+#include "mozilla/Likely.h"
+#include "mozilla/a11y/ProxyAccessible.h"
+
+using namespace mozilla::a11y;
+
+extern "C" {
+
+static AtkObject*
+refAccessibleAtPointCB(AtkComponent* aComponent, gint aAccX, gint aAccY,
+ AtkCoordType aCoordType)
+{
+ return refAccessibleAtPointHelper(ATK_OBJECT(aComponent),
+ aAccX, aAccY, aCoordType);
+}
+
+static void
+getExtentsCB(AtkComponent* aComponent, gint* aX, gint* aY,
+ gint* aWidth, gint* aHeight, AtkCoordType aCoordType)
+{
+ getExtentsHelper(ATK_OBJECT(aComponent),
+ aX, aY, aWidth, aHeight, aCoordType);
+}
+
+static gboolean
+grabFocusCB(AtkComponent* aComponent)
+{
+ AtkObject* atkObject = ATK_OBJECT(aComponent);
+ AccessibleWrap* accWrap = GetAccessibleWrap(atkObject);
+ if (accWrap) {
+ accWrap->TakeFocus();
+ return TRUE;
+ }
+
+ ProxyAccessible* proxy = GetProxy(atkObject);
+ if (proxy) {
+ proxy->TakeFocus();
+ return TRUE;
+ }
+
+ return FALSE;
+}
+}
+
+AtkObject*
+refAccessibleAtPointHelper(AtkObject* aAtkObj, gint aX, gint aY,
+ AtkCoordType aCoordType)
+{
+ AccessibleWrap* accWrap = GetAccessibleWrap(aAtkObj);
+ if (accWrap) {
+ if (accWrap->IsDefunct() || nsAccUtils::MustPrune(accWrap)) {
+ return nullptr;
+ }
+
+ // Accessible::ChildAtPoint(x,y) is in screen pixels.
+ if (aCoordType == ATK_XY_WINDOW) {
+ nsIntPoint winCoords =
+ nsCoreUtils::GetScreenCoordsForWindow(accWrap->GetNode());
+ aX += winCoords.x;
+ aY += winCoords.y;
+ }
+
+ Accessible* accAtPoint = accWrap->ChildAtPoint(aX, aY,
+ Accessible::eDirectChild);
+ if (!accAtPoint) {
+ return nullptr;
+ }
+
+ AtkObject* atkObj = AccessibleWrap::GetAtkObject(accAtPoint);
+ if (atkObj) {
+ g_object_ref(atkObj);
+ }
+
+ return atkObj;
+ }
+
+ if (ProxyAccessible* proxy = GetProxy(aAtkObj)) {
+ ProxyAccessible* result =
+ proxy->AccessibleAtPoint(aX, aY, aCoordType == ATK_XY_WINDOW);
+ AtkObject* atkObj = result ? GetWrapperFor(result) : nullptr;
+ if (atkObj) {
+ g_object_ref(atkObj);
+ }
+ return atkObj;
+ }
+
+ return nullptr;
+}
+
+void
+getExtentsHelper(AtkObject* aAtkObj,
+ gint* aX, gint* aY, gint* aWidth, gint* aHeight,
+ AtkCoordType aCoordType)
+{
+ AccessibleWrap* accWrap = GetAccessibleWrap(aAtkObj);
+ *aX = *aY = *aWidth = *aHeight = 0;
+
+ if (accWrap) {
+ if (accWrap->IsDefunct()) {
+ return;
+ }
+
+ nsIntRect screenRect = accWrap->Bounds();
+ if (screenRect.IsEmpty())
+ return;
+
+ if (aCoordType == ATK_XY_WINDOW) {
+ nsIntPoint winCoords =
+ nsCoreUtils::GetScreenCoordsForWindow(accWrap->GetNode());
+ screenRect.x -= winCoords.x;
+ screenRect.y -= winCoords.y;
+ }
+
+ *aX = screenRect.x;
+ *aY = screenRect.y;
+ *aWidth = screenRect.width;
+ *aHeight = screenRect.height;
+ return;
+ }
+
+ if (ProxyAccessible* proxy = GetProxy(aAtkObj)) {
+ proxy->Extents(aCoordType == ATK_XY_WINDOW, aX, aY, aWidth, aHeight);
+ }
+}
+
+void
+componentInterfaceInitCB(AtkComponentIface* aIface)
+{
+ NS_ASSERTION(aIface, "Invalid Interface");
+ if(MOZ_UNLIKELY(!aIface))
+ return;
+
+ /*
+ * Use default implementation in atk for contains, get_position,
+ * and get_size
+ */
+ aIface->ref_accessible_at_point = refAccessibleAtPointCB;
+ aIface->get_extents = getExtentsCB;
+ aIface->grab_focus = grabFocusCB;
+}