1 files changed, 106 insertions, 0 deletions
diff --git a/accessible/windows/ia2/ia2AccessibleComponent.cpp b/accessible/windows/ia2/ia2AccessibleComponent.cpp
new file mode 100644
index 0000000000..9c22a66cad
--- /dev/null
+++ b/accessible/windows/ia2/ia2AccessibleComponent.cpp
@@ -0,0 +1,106 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim:expandtab:shiftwidth=2:tabstop=2:
+ */
+/* 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 "ia2AccessibleComponent.h"
+
+#include "AccessibleComponent_i.c"
+
+#include "AccessibleWrap.h"
+#include "States.h"
+#include "IUnknownImpl.h"
+
+#include "nsIFrame.h"
+
+using namespace mozilla::a11y;
+
+AccessibleWrap* ia2AccessibleComponent::LocalAcc() {
+  return static_cast<MsaaAccessible*>(this)->LocalAcc();
+}
+
+// IUnknown
+
+STDMETHODIMP
+ia2AccessibleComponent::QueryInterface(REFIID iid, void** ppv) {
+  if (!ppv) return E_INVALIDARG;
+
+  *ppv = nullptr;
+
+  if (IID_IAccessibleComponent == iid) {
+    *ppv = static_cast<IAccessibleComponent*>(this);
+    (reinterpret_cast<IUnknown*>(*ppv))->AddRef();
+    return S_OK;
+  }
+
+  return E_NOINTERFACE;
+}
+
+// IAccessibleComponent
+
+STDMETHODIMP
+ia2AccessibleComponent::get_locationInParent(long* aX, long* aY) {
+  if (!aX || !aY) return E_INVALIDARG;
+
+  *aX = 0;
+  *aY = 0;
+
+  AccessibleWrap* acc = LocalAcc();
+  if (!acc) return CO_E_OBJNOTCONNECTED;
+
+  // If the object is not on any screen the returned position is (0,0).
+  uint64_t state = acc->State();
+  if (state & states::INVISIBLE) return S_OK;
+
+  LayoutDeviceIntRect rect = acc->Bounds();
+
+  // The coordinates of the returned position are relative to this object's
+  // parent or relative to the screen on which this object is rendered if it
+  // has no parent.
+  if (!acc->LocalParent()) {
+    *aX = rect.X();
+    *aY = rect.Y();
+    return S_OK;
+  }
+
+  // The coordinates of the bounding box are given relative to the parent's
+  // coordinate system.
+  LayoutDeviceIntRect parentRect = acc->LocalParent()->Bounds();
+  *aX = rect.X() - parentRect.X();
+  *aY = rect.Y() - parentRect.Y();
+  return S_OK;
+}
+
+STDMETHODIMP
+ia2AccessibleComponent::get_foreground(IA2Color* aForeground) {
+  if (!aForeground) return E_INVALIDARG;
+
+  *aForeground = 0;
+
+  AccessibleWrap* acc = LocalAcc();
+  if (!acc) return CO_E_OBJNOTCONNECTED;
+
+  nsIFrame* frame = acc->GetFrame();
+  if (frame) *aForeground = frame->StyleText()->mColor.ToColor();
+
+  return S_OK;
+}
+
+STDMETHODIMP
+ia2AccessibleComponent::get_background(IA2Color* aBackground) {
+  if (!aBackground) return E_INVALIDARG;
+
+  *aBackground = 0;
+
+  AccessibleWrap* acc = LocalAcc();
+  if (!acc) return CO_E_OBJNOTCONNECTED;
+
+  nsIFrame* frame = acc->GetFrame();
+  if (frame) {
+    *aBackground = frame->StyleBackground()->BackgroundColor(frame);
+  }
+
+  return S_OK;
+}