Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 456 insertions, 0 deletions

diff --git a/accessible/xul/XULListboxAccessible.cpp b/accessible/xul/XULListboxAccessible.cpp
new file mode 100644
index 0000000000..d80bac1ca0
--- /dev/null
+++ b/accessible/xul/XULListboxAccessible.cpp
@@ -0,0 +1,456 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 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 "XULListboxAccessible.h"
+
+#include "LocalAccessible-inl.h"
+#include "nsAccessibilityService.h"
+#include "nsAccUtils.h"
+#include "DocAccessible.h"
+#include "mozilla/a11y/Role.h"
+#include "States.h"
+
+#include "nsComponentManagerUtils.h"
+#include "nsIAutoCompletePopup.h"
+#include "nsIDOMXULMenuListElement.h"
+#include "nsIDOMXULMultSelectCntrlEl.h"
+#include "nsIDOMXULSelectCntrlItemEl.h"
+#include "nsINodeList.h"
+
+using namespace mozilla::a11y;
+
+////////////////////////////////////////////////////////////////////////////////
+// XULColumAccessible
+////////////////////////////////////////////////////////////////////////////////
+
+XULColumAccessible::XULColumAccessible(nsIContent* aContent,
+                                       DocAccessible* aDoc)
+    : AccessibleWrap(aContent, aDoc) {}
+
+role XULColumAccessible::NativeRole() const { return roles::LIST; }
+
+uint64_t XULColumAccessible::NativeState() const { return states::READONLY; }
+
+////////////////////////////////////////////////////////////////////////////////
+// XULColumnItemAccessible
+////////////////////////////////////////////////////////////////////////////////
+
+XULColumnItemAccessible::XULColumnItemAccessible(nsIContent* aContent,
+                                                 DocAccessible* aDoc)
+    : LeafAccessible(aContent, aDoc) {}
+
+role XULColumnItemAccessible::NativeRole() const { return roles::COLUMNHEADER; }
+
+uint64_t XULColumnItemAccessible::NativeState() const {
+  return states::READONLY;
+}
+
+bool XULColumnItemAccessible::HasPrimaryAction() const { return true; }
+
+void XULColumnItemAccessible::ActionNameAt(uint8_t aIndex, nsAString& aName) {
+  if (aIndex == eAction_Click) aName.AssignLiteral("click");
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// XULListboxAccessible
+////////////////////////////////////////////////////////////////////////////////
+
+XULListboxAccessible::XULListboxAccessible(nsIContent* aContent,
+                                           DocAccessible* aDoc)
+    : XULSelectControlAccessible(aContent, aDoc) {
+  dom::Element* parentEl = mContent->GetParentElement();
+  if (parentEl) {
+    nsCOMPtr<nsIAutoCompletePopup> autoCompletePopupElm =
+        parentEl->AsAutoCompletePopup();
+    if (autoCompletePopupElm) mGenericTypes |= eAutoCompletePopup;
+  }
+
+  if (IsMulticolumn()) mGenericTypes |= eTable;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// XULListboxAccessible: LocalAccessible
+
+uint64_t XULListboxAccessible::NativeState() const {
+  // As a XULListboxAccessible we can have the following states:
+  //   FOCUSED, READONLY, FOCUSABLE
+
+  // Get focus status from base class
+  uint64_t states = LocalAccessible::NativeState();
+
+  // see if we are multiple select if so set ourselves as such
+
+  if (mContent->AsElement()->AttrValueIs(kNameSpaceID_None, nsGkAtoms::seltype,
+                                         nsGkAtoms::multiple, eCaseMatters)) {
+    states |= states::MULTISELECTABLE | states::EXTSELECTABLE;
+  }
+
+  return states;
+}
+
+role XULListboxAccessible::NativeRole() const {
+  // A richlistbox is used with the new autocomplete URL bar, and has a parent
+  // popup <panel>.
+  if (mContent->GetParent() &&
+      mContent->GetParent()->IsXULElement(nsGkAtoms::panel)) {
+    return roles::COMBOBOX_LIST;
+  }
+
+  return IsMulticolumn() ? roles::TABLE : roles::LISTBOX;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// XULListboxAccessible: Table
+
+uint32_t XULListboxAccessible::ColCount() const { return 0; }
+
+uint32_t XULListboxAccessible::RowCount() {
+  nsCOMPtr<nsIDOMXULSelectControlElement> element = Elm()->AsXULSelectControl();
+
+  uint32_t itemCount = 0;
+  if (element) element->GetItemCount(&itemCount);
+
+  return itemCount;
+}
+
+LocalAccessible* XULListboxAccessible::CellAt(uint32_t aRowIndex,
+                                              uint32_t aColumnIndex) {
+  nsCOMPtr<nsIDOMXULSelectControlElement> control = Elm()->AsXULSelectControl();
+  NS_ENSURE_TRUE(control, nullptr);
+
+  RefPtr<dom::Element> element;
+  control->GetItemAtIndex(aRowIndex, getter_AddRefs(element));
+  if (!element) return nullptr;
+
+  LocalAccessible* row = mDoc->GetAccessible(element);
+  NS_ENSURE_TRUE(row, nullptr);
+
+  return row->LocalChildAt(aColumnIndex);
+}
+
+bool XULListboxAccessible::IsColSelected(uint32_t aColIdx) {
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> control =
+      Elm()->AsXULMultiSelectControl();
+  NS_ASSERTION(control,
+               "Doesn't implement nsIDOMXULMultiSelectControlElement.");
+
+  int32_t selectedrowCount = 0;
+  nsresult rv = control->GetSelectedCount(&selectedrowCount);
+  NS_ENSURE_SUCCESS(rv, false);
+
+  return selectedrowCount == static_cast<int32_t>(RowCount());
+}
+
+bool XULListboxAccessible::IsRowSelected(uint32_t aRowIdx) {
+  nsCOMPtr<nsIDOMXULSelectControlElement> control = Elm()->AsXULSelectControl();
+  NS_ASSERTION(control, "Doesn't implement nsIDOMXULSelectControlElement.");
+
+  RefPtr<dom::Element> element;
+  nsresult rv = control->GetItemAtIndex(aRowIdx, getter_AddRefs(element));
+  NS_ENSURE_SUCCESS(rv, false);
+  if (!element) {
+    return false;
+  }
+
+  nsCOMPtr<nsIDOMXULSelectControlItemElement> item =
+      element->AsXULSelectControlItem();
+
+  bool isSelected = false;
+  item->GetSelected(&isSelected);
+  return isSelected;
+}
+
+bool XULListboxAccessible::IsCellSelected(uint32_t aRowIdx, uint32_t aColIdx) {
+  return IsRowSelected(aRowIdx);
+}
+
+uint32_t XULListboxAccessible::SelectedCellCount() {
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> control =
+      Elm()->AsXULMultiSelectControl();
+  NS_ASSERTION(control,
+               "Doesn't implement nsIDOMXULMultiSelectControlElement.");
+
+  nsCOMPtr<nsINodeList> selectedItems;
+  control->GetSelectedItems(getter_AddRefs(selectedItems));
+  if (!selectedItems) return 0;
+
+  uint32_t selectedItemsCount = selectedItems->Length();
+
+  return selectedItemsCount * ColCount();
+}
+
+uint32_t XULListboxAccessible::SelectedColCount() {
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> control =
+      Elm()->AsXULMultiSelectControl();
+  NS_ASSERTION(control,
+               "Doesn't implement nsIDOMXULMultiSelectControlElement.");
+
+  int32_t selectedRowCount = 0;
+  nsresult rv = control->GetSelectedCount(&selectedRowCount);
+  NS_ENSURE_SUCCESS(rv, 0);
+
+  return selectedRowCount > 0 &&
+                 selectedRowCount == static_cast<int32_t>(RowCount())
+             ? ColCount()
+             : 0;
+}
+
+uint32_t XULListboxAccessible::SelectedRowCount() {
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> control =
+      Elm()->AsXULMultiSelectControl();
+  NS_ASSERTION(control,
+               "Doesn't implement nsIDOMXULMultiSelectControlElement.");
+
+  int32_t selectedRowCount = 0;
+  nsresult rv = control->GetSelectedCount(&selectedRowCount);
+  NS_ENSURE_SUCCESS(rv, 0);
+
+  return selectedRowCount >= 0 ? selectedRowCount : 0;
+}
+
+void XULListboxAccessible::SelectedCells(nsTArray<Accessible*>* aCells) {
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> control =
+      Elm()->AsXULMultiSelectControl();
+  NS_ASSERTION(control,
+               "Doesn't implement nsIDOMXULMultiSelectControlElement.");
+
+  nsCOMPtr<nsINodeList> selectedItems;
+  control->GetSelectedItems(getter_AddRefs(selectedItems));
+  if (!selectedItems) return;
+
+  uint32_t selectedItemsCount = selectedItems->Length();
+
+  for (uint32_t index = 0; index < selectedItemsCount; index++) {
+    nsIContent* itemContent = selectedItems->Item(index);
+    LocalAccessible* item = mDoc->GetAccessible(itemContent);
+
+    if (item) {
+      uint32_t cellCount = item->ChildCount();
+      for (uint32_t cellIdx = 0; cellIdx < cellCount; cellIdx++) {
+        LocalAccessible* cell = mChildren[cellIdx];
+        if (cell->Role() == roles::CELL) aCells->AppendElement(cell);
+      }
+    }
+  }
+}
+
+void XULListboxAccessible::SelectedCellIndices(nsTArray<uint32_t>* aCells) {
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> control =
+      Elm()->AsXULMultiSelectControl();
+  NS_ASSERTION(control,
+               "Doesn't implement nsIDOMXULMultiSelectControlElement.");
+
+  nsCOMPtr<nsINodeList> selectedItems;
+  control->GetSelectedItems(getter_AddRefs(selectedItems));
+  if (!selectedItems) return;
+
+  uint32_t selectedItemsCount = selectedItems->Length();
+
+  uint32_t colCount = ColCount();
+  aCells->SetCapacity(selectedItemsCount * colCount);
+  aCells->AppendElements(selectedItemsCount * colCount);
+
+  for (uint32_t selItemsIdx = 0, cellsIdx = 0; selItemsIdx < selectedItemsCount;
+       selItemsIdx++) {
+    nsIContent* itemContent = selectedItems->Item(selItemsIdx);
+
+    nsCOMPtr<nsIDOMXULSelectControlItemElement> item =
+        itemContent->AsElement()->AsXULSelectControlItem();
+    if (item) {
+      int32_t itemIdx = -1;
+      control->GetIndexOfItem(item, &itemIdx);
+      if (itemIdx >= 0) {
+        for (uint32_t colIdx = 0; colIdx < colCount; colIdx++, cellsIdx++) {
+          aCells->ElementAt(cellsIdx) = itemIdx * colCount + colIdx;
+        }
+      }
+    }
+  }
+}
+
+void XULListboxAccessible::SelectedColIndices(nsTArray<uint32_t>* aCols) {
+  uint32_t selColCount = SelectedColCount();
+  aCols->SetCapacity(selColCount);
+
+  for (uint32_t colIdx = 0; colIdx < selColCount; colIdx++) {
+    aCols->AppendElement(colIdx);
+  }
+}
+
+void XULListboxAccessible::SelectedRowIndices(nsTArray<uint32_t>* aRows) {
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> control =
+      Elm()->AsXULMultiSelectControl();
+  NS_ASSERTION(control,
+               "Doesn't implement nsIDOMXULMultiSelectControlElement.");
+
+  nsCOMPtr<nsINodeList> selectedItems;
+  control->GetSelectedItems(getter_AddRefs(selectedItems));
+  if (!selectedItems) return;
+
+  uint32_t rowCount = selectedItems->Length();
+
+  if (!rowCount) return;
+
+  aRows->SetCapacity(rowCount);
+  aRows->AppendElements(rowCount);
+
+  for (uint32_t rowIdx = 0; rowIdx < rowCount; rowIdx++) {
+    nsIContent* itemContent = selectedItems->Item(rowIdx);
+    nsCOMPtr<nsIDOMXULSelectControlItemElement> item =
+        itemContent->AsElement()->AsXULSelectControlItem();
+
+    if (item) {
+      int32_t itemIdx = -1;
+      control->GetIndexOfItem(item, &itemIdx);
+      if (itemIdx >= 0) aRows->ElementAt(rowIdx) = itemIdx;
+    }
+  }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// XULListboxAccessible: Widgets
+
+bool XULListboxAccessible::IsWidget() const { return true; }
+
+bool XULListboxAccessible::IsActiveWidget() const {
+  if (IsAutoCompletePopup()) {
+    nsIContent* parentContent = mContent->GetParent();
+    if (parentContent) {
+      nsCOMPtr<nsIAutoCompletePopup> autoCompletePopupElm =
+          parentContent->AsElement()->AsAutoCompletePopup();
+      if (autoCompletePopupElm) {
+        bool isOpen = false;
+        autoCompletePopupElm->GetPopupOpen(&isOpen);
+        return isOpen;
+      }
+    }
+  }
+  return FocusMgr()->HasDOMFocus(mContent);
+}
+
+bool XULListboxAccessible::AreItemsOperable() const {
+  if (IsAutoCompletePopup()) {
+    nsIContent* parentContent = mContent->GetParent();
+    if (parentContent) {
+      nsCOMPtr<nsIAutoCompletePopup> autoCompletePopupElm =
+          parentContent->AsElement()->AsAutoCompletePopup();
+      if (autoCompletePopupElm) {
+        bool isOpen = false;
+        autoCompletePopupElm->GetPopupOpen(&isOpen);
+        return isOpen;
+      }
+    }
+  }
+  return true;
+}
+
+LocalAccessible* XULListboxAccessible::ContainerWidget() const {
+  return nullptr;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// XULListitemAccessible
+////////////////////////////////////////////////////////////////////////////////
+
+XULListitemAccessible::XULListitemAccessible(nsIContent* aContent,
+                                             DocAccessible* aDoc)
+    : XULMenuitemAccessible(aContent, aDoc) {
+  mIsCheckbox = mContent->AsElement()->AttrValueIs(
+      kNameSpaceID_None, nsGkAtoms::type, nsGkAtoms::checkbox, eCaseMatters);
+  mType = eXULListItemType;
+}
+
+XULListitemAccessible::~XULListitemAccessible() {}
+
+LocalAccessible* XULListitemAccessible::GetListAccessible() const {
+  if (IsDefunct()) return nullptr;
+
+  nsCOMPtr<nsIDOMXULSelectControlItemElement> listItem =
+      Elm()->AsXULSelectControlItem();
+  if (!listItem) return nullptr;
+
+  RefPtr<dom::Element> listElement;
+  listItem->GetControl(getter_AddRefs(listElement));
+  if (!listElement) return nullptr;
+
+  return mDoc->GetAccessible(listElement);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// XULListitemAccessible LocalAccessible
+
+void XULListitemAccessible::Description(nsString& aDesc) const {
+  AccessibleWrap::Description(aDesc);
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// XULListitemAccessible: LocalAccessible
+
+/**
+ * Get the name from GetXULName.
+ */
+ENameValueFlag XULListitemAccessible::NativeName(nsString& aName) const {
+  return LocalAccessible::NativeName(aName);
+}
+
+role XULListitemAccessible::NativeRole() const {
+  LocalAccessible* list = GetListAccessible();
+  if (!list) {
+    NS_ERROR("No list accessible for listitem accessible!");
+    return roles::NOTHING;
+  }
+
+  if (list->Role() == roles::TABLE) return roles::ROW;
+
+  if (mIsCheckbox) return roles::CHECK_RICH_OPTION;
+
+  if (mParent && mParent->Role() == roles::COMBOBOX_LIST) {
+    return roles::COMBOBOX_OPTION;
+  }
+
+  return roles::RICH_OPTION;
+}
+
+uint64_t XULListitemAccessible::NativeState() const {
+  if (mIsCheckbox) return XULMenuitemAccessible::NativeState();
+
+  uint64_t states = NativeInteractiveState();
+
+  nsCOMPtr<nsIDOMXULSelectControlItemElement> listItem =
+      Elm()->AsXULSelectControlItem();
+  if (listItem) {
+    bool isSelected;
+    listItem->GetSelected(&isSelected);
+    if (isSelected) states |= states::SELECTED;
+
+    if (FocusMgr()->IsFocused(this)) states |= states::FOCUSED;
+  }
+
+  return states;
+}
+
+uint64_t XULListitemAccessible::NativeInteractiveState() const {
+  return NativelyUnavailable() || (mParent && mParent->NativelyUnavailable())
+             ? states::UNAVAILABLE
+             : states::FOCUSABLE | states::SELECTABLE;
+}
+
+void XULListitemAccessible::ActionNameAt(uint8_t aIndex, nsAString& aName) {
+  if (aIndex == eAction_Click && mIsCheckbox) {
+    uint64_t states = NativeState();
+    if (states & states::CHECKED) {
+      aName.AssignLiteral("uncheck");
+    } else {
+      aName.AssignLiteral("check");
+    }
+  }
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// XULListitemAccessible: Widgets
+
+LocalAccessible* XULListitemAccessible::ContainerWidget() const {
+  return LocalParent();
+}