1 files changed, 119 insertions, 0 deletions
diff --git a/accessible/xpcom/xpcAccessibleSelectable.cpp b/accessible/xpcom/xpcAccessibleSelectable.cpp
new file mode 100644
index 0000000000..b3c2b424f0
--- /dev/null
+++ b/accessible/xpcom/xpcAccessibleSelectable.cpp
@@ -0,0 +1,119 @@
+/* -*- 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 "nsComponentManagerUtils.h"
+#include "nsIAccessible.h"
+#include "nsIMutableArray.h"
+#include "xpcAccessibleDocument.h"
+#include "xpcAccessibleSelectable.h"
+
+using namespace mozilla::a11y;
+
+NS_IMETHODIMP
+xpcAccessibleSelectable::GetSelectedItems(nsIArray** aSelectedItems) {
+  NS_ENSURE_ARG_POINTER(aSelectedItems);
+  *aSelectedItems = nullptr;
+
+  if (!Intl()) return NS_ERROR_FAILURE;
+  MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!");
+
+  AutoTArray<Accessible*, 10> items;
+  Intl()->SelectedItems(&items);
+
+  uint32_t itemCount = items.Length();
+  if (itemCount == 0) return NS_OK;
+
+  nsresult rv = NS_OK;
+  nsCOMPtr<nsIMutableArray> xpcItems =
+      do_CreateInstance(NS_ARRAY_CONTRACTID, &rv);
+  NS_ENSURE_SUCCESS(rv, rv);
+
+  for (uint32_t idx = 0; idx < itemCount; idx++) {
+    xpcItems->AppendElement(static_cast<nsIAccessible*>(ToXPC(items[idx])));
+  }
+
+  NS_ADDREF(*aSelectedItems = xpcItems);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleSelectable::GetSelectedItemCount(uint32_t* aSelectionCount) {
+  NS_ENSURE_ARG_POINTER(aSelectionCount);
+  *aSelectionCount = 0;
+
+  if (!Intl()) return NS_ERROR_FAILURE;
+  MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!");
+
+  *aSelectionCount = Intl()->SelectedItemCount();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleSelectable::GetSelectedItemAt(uint32_t aIndex,
+                                           nsIAccessible** aSelected) {
+  NS_ENSURE_ARG_POINTER(aSelected);
+  *aSelected = nullptr;
+
+  if (!Intl()) return NS_ERROR_FAILURE;
+  MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!");
+
+  *aSelected = ToXPC(Intl()->GetSelectedItem(aIndex));
+  if (*aSelected) {
+    NS_ADDREF(*aSelected);
+    return NS_OK;
+  }
+
+  return NS_ERROR_INVALID_ARG;
+}
+
+NS_IMETHODIMP
+xpcAccessibleSelectable::IsItemSelected(uint32_t aIndex, bool* aIsSelected) {
+  NS_ENSURE_ARG_POINTER(aIsSelected);
+  *aIsSelected = false;
+
+  if (!Intl()) return NS_ERROR_FAILURE;
+  MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!");
+
+  *aIsSelected = Intl()->IsItemSelected(aIndex);
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleSelectable::AddItemToSelection(uint32_t aIndex) {
+  if (!Intl()) return NS_ERROR_FAILURE;
+  MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!");
+
+  return Intl()->AddItemToSelection(aIndex) ? NS_OK : NS_ERROR_INVALID_ARG;
+}
+
+NS_IMETHODIMP
+xpcAccessibleSelectable::RemoveItemFromSelection(uint32_t aIndex) {
+  if (!Intl()) return NS_ERROR_FAILURE;
+  MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!");
+
+  return Intl()->RemoveItemFromSelection(aIndex) ? NS_OK : NS_ERROR_INVALID_ARG;
+}
+
+NS_IMETHODIMP
+xpcAccessibleSelectable::SelectAll(bool* aIsMultiSelect) {
+  NS_ENSURE_ARG_POINTER(aIsMultiSelect);
+  *aIsMultiSelect = false;
+
+  if (!Intl()) return NS_ERROR_FAILURE;
+  MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!");
+
+  *aIsMultiSelect = Intl()->SelectAll();
+  return NS_OK;
+}
+
+NS_IMETHODIMP
+xpcAccessibleSelectable::UnselectAll() {
+  if (!Intl()) return NS_ERROR_FAILURE;
+  MOZ_ASSERT(Intl()->IsSelect(), "Called on non selectable widget!");
+
+  Intl()->UnselectAll();
+  return NS_OK;
+}