Adding upstream version 115.7.0esr.upstream/115.7.0esr

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

1 files changed, 253 insertions, 0 deletions

diff --git a/accessible/xul/XULSelectControlAccessible.cpp b/accessible/xul/XULSelectControlAccessible.cpp
new file mode 100644
index 0000000000..006d1daf89
--- /dev/null
+++ b/accessible/xul/XULSelectControlAccessible.cpp
@@ -0,0 +1,253 @@
+/* -*- 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 "XULSelectControlAccessible.h"
+
+#include "nsAccessibilityService.h"
+#include "DocAccessible.h"
+
+#include "nsIDOMXULSelectCntrlItemEl.h"
+#include "nsIDOMXULMultSelectCntrlEl.h"
+
+#include "mozilla/dom/Element.h"
+#include "mozilla/dom/KeyboardEventBinding.h"
+
+using namespace mozilla;
+using namespace mozilla::a11y;
+
+////////////////////////////////////////////////////////////////////////////////
+// XULSelectControlAccessible
+////////////////////////////////////////////////////////////////////////////////
+
+XULSelectControlAccessible::XULSelectControlAccessible(nsIContent* aContent,
+                                                       DocAccessible* aDoc)
+    : AccessibleWrap(aContent, aDoc) {
+  mGenericTypes |= eSelect;
+  mSelectControl = aContent->AsElement();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// XULSelectControlAccessible: LocalAccessible
+
+void XULSelectControlAccessible::Shutdown() {
+  mSelectControl = nullptr;
+  AccessibleWrap::Shutdown();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// XULSelectControlAccessible: SelectAccessible
+
+void XULSelectControlAccessible::SelectedItems(nsTArray<Accessible*>* aItems) {
+  // For XUL multi-select control
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> xulMultiSelect =
+      mSelectControl->AsXULMultiSelectControl();
+  if (xulMultiSelect) {
+    int32_t length = 0;
+    xulMultiSelect->GetSelectedCount(&length);
+    for (int32_t index = 0; index < length; index++) {
+      RefPtr<dom::Element> element;
+      xulMultiSelect->MultiGetSelectedItem(index, getter_AddRefs(element));
+      LocalAccessible* item = mDoc->GetAccessible(element);
+      if (item) aItems->AppendElement(item);
+    }
+  } else {  // Single select?
+    nsCOMPtr<nsIDOMXULSelectControlElement> selectControl =
+        mSelectControl->AsXULSelectControl();
+    RefPtr<dom::Element> element;
+    selectControl->GetSelectedItem(getter_AddRefs(element));
+    if (element) {
+      LocalAccessible* item = mDoc->GetAccessible(element);
+      if (item) aItems->AppendElement(item);
+    }
+  }
+}
+
+Accessible* XULSelectControlAccessible::GetSelectedItem(uint32_t aIndex) {
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
+      mSelectControl->AsXULMultiSelectControl();
+
+  RefPtr<dom::Element> element;
+  if (multiSelectControl) {
+    multiSelectControl->MultiGetSelectedItem(aIndex, getter_AddRefs(element));
+  } else if (aIndex == 0) {
+    nsCOMPtr<nsIDOMXULSelectControlElement> selectControl =
+        mSelectControl->AsXULSelectControl();
+    if (selectControl) {
+      selectControl->GetSelectedItem(getter_AddRefs(element));
+    }
+  }
+
+  return element && mDoc ? mDoc->GetAccessible(element) : nullptr;
+}
+
+uint32_t XULSelectControlAccessible::SelectedItemCount() {
+  // For XUL multi-select control
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
+      mSelectControl->AsXULMultiSelectControl();
+  if (multiSelectControl) {
+    int32_t count = 0;
+    multiSelectControl->GetSelectedCount(&count);
+    return count;
+  }
+
+  // For XUL single-select control/menulist
+  nsCOMPtr<nsIDOMXULSelectControlElement> selectControl =
+      mSelectControl->AsXULSelectControl();
+  if (selectControl) {
+    int32_t index = -1;
+    selectControl->GetSelectedIndex(&index);
+    return (index >= 0) ? 1 : 0;
+  }
+
+  return 0;
+}
+
+bool XULSelectControlAccessible::AddItemToSelection(uint32_t aIndex) {
+  LocalAccessible* item = LocalChildAt(aIndex);
+  if (!item || !item->GetContent()) return false;
+
+  nsCOMPtr<nsIDOMXULSelectControlItemElement> itemElm =
+      item->GetContent()->AsElement()->AsXULSelectControlItem();
+  if (!itemElm) return false;
+
+  bool isItemSelected = false;
+  itemElm->GetSelected(&isItemSelected);
+  if (isItemSelected) return true;
+
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
+      mSelectControl->AsXULMultiSelectControl();
+
+  if (multiSelectControl) {
+    multiSelectControl->AddItemToSelection(itemElm);
+  } else {
+    nsCOMPtr<nsIDOMXULSelectControlElement> selectControl =
+        mSelectControl->AsXULSelectControl();
+    if (selectControl) {
+      selectControl->SetSelectedItem(item->Elm());
+    }
+  }
+
+  return true;
+}
+
+bool XULSelectControlAccessible::RemoveItemFromSelection(uint32_t aIndex) {
+  LocalAccessible* item = LocalChildAt(aIndex);
+  if (!item || !item->GetContent()) return false;
+
+  nsCOMPtr<nsIDOMXULSelectControlItemElement> itemElm =
+      item->GetContent()->AsElement()->AsXULSelectControlItem();
+  if (!itemElm) return false;
+
+  bool isItemSelected = false;
+  itemElm->GetSelected(&isItemSelected);
+  if (!isItemSelected) return true;
+
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
+      mSelectControl->AsXULMultiSelectControl();
+
+  if (multiSelectControl) {
+    multiSelectControl->RemoveItemFromSelection(itemElm);
+  } else {
+    nsCOMPtr<nsIDOMXULSelectControlElement> selectControl =
+        mSelectControl->AsXULSelectControl();
+    if (selectControl) {
+      selectControl->SetSelectedItem(nullptr);
+    }
+  }
+
+  return true;
+}
+
+bool XULSelectControlAccessible::IsItemSelected(uint32_t aIndex) {
+  LocalAccessible* item = LocalChildAt(aIndex);
+  if (!item || !item->GetContent()) return false;
+
+  nsCOMPtr<nsIDOMXULSelectControlItemElement> itemElm =
+      item->GetContent()->AsElement()->AsXULSelectControlItem();
+  if (!itemElm) return false;
+
+  bool isItemSelected = false;
+  itemElm->GetSelected(&isItemSelected);
+  return isItemSelected;
+}
+
+bool XULSelectControlAccessible::UnselectAll() {
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
+      mSelectControl->AsXULMultiSelectControl();
+  if (multiSelectControl) {
+    multiSelectControl->ClearSelection();
+  } else {
+    nsCOMPtr<nsIDOMXULSelectControlElement> selectControl =
+        mSelectControl->AsXULSelectControl();
+    if (selectControl) {
+      selectControl->SetSelectedIndex(-1);
+    }
+  }
+
+  return true;
+}
+
+bool XULSelectControlAccessible::SelectAll() {
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
+      mSelectControl->AsXULMultiSelectControl();
+  if (multiSelectControl) {
+    multiSelectControl->SelectAll();
+    return true;
+  }
+
+  // otherwise, don't support this method
+  return false;
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// XULSelectControlAccessible: Widgets
+
+LocalAccessible* XULSelectControlAccessible::CurrentItem() const {
+  // aria-activedescendant should override.
+  LocalAccessible* current = AccessibleWrap::CurrentItem();
+  if (current) {
+    return current;
+  }
+
+  if (!mSelectControl) return nullptr;
+
+  RefPtr<dom::Element> currentItemElm;
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
+      mSelectControl->AsXULMultiSelectControl();
+  if (multiSelectControl) {
+    multiSelectControl->GetCurrentItem(getter_AddRefs(currentItemElm));
+  } else {
+    nsCOMPtr<nsIDOMXULSelectControlElement> selectControl =
+        mSelectControl->AsXULSelectControl();
+    if (selectControl) {
+      selectControl->GetSelectedItem(getter_AddRefs(currentItemElm));
+    }
+  }
+
+  if (currentItemElm) {
+    DocAccessible* document = Document();
+    if (document) return document->GetAccessible(currentItemElm);
+  }
+
+  return nullptr;
+}
+
+void XULSelectControlAccessible::SetCurrentItem(const LocalAccessible* aItem) {
+  if (!mSelectControl) return;
+
+  nsCOMPtr<dom::Element> itemElm = aItem->Elm();
+  nsCOMPtr<nsIDOMXULMultiSelectControlElement> multiSelectControl =
+      itemElm->AsXULMultiSelectControl();
+  if (multiSelectControl) {
+    multiSelectControl->SetCurrentItem(itemElm);
+  } else {
+    nsCOMPtr<nsIDOMXULSelectControlElement> selectControl =
+        mSelectControl->AsXULSelectControl();
+    if (selectControl) {
+      selectControl->SetSelectedItem(itemElm);
+    }
+  }
+}