Adding upstream version 115.7.0esr.upstream/115.7.0esrupstream

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

1 files changed, 144 insertions, 0 deletions

diff --git a/accessible/generic/ApplicationAccessible.cpp b/accessible/generic/ApplicationAccessible.cpp
new file mode 100644
index 0000000000..8e3baa29e5
--- /dev/null
+++ b/accessible/generic/ApplicationAccessible.cpp
@@ -0,0 +1,144 @@
+/* -*- 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 "ApplicationAccessible.h"
+
+#include "AccAttributes.h"
+#include "LocalAccessible-inl.h"
+#include "nsAccessibilityService.h"
+#include "nsAccUtils.h"
+#include "Relation.h"
+#include "Role.h"
+#include "States.h"
+
+#include "nsServiceManagerUtils.h"
+#include "mozilla/dom/Document.h"
+#include "mozilla/Components.h"
+#include "nsGlobalWindow.h"
+#include "nsIStringBundle.h"
+
+using namespace mozilla::a11y;
+
+ApplicationAccessible::ApplicationAccessible()
+    : AccessibleWrap(nullptr, nullptr) {
+  mType = eApplicationType;
+  mAppInfo = do_GetService("@mozilla.org/xre/app-info;1");
+  MOZ_ASSERT(mAppInfo, "no application info");
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// nsIAccessible
+
+ENameValueFlag ApplicationAccessible::Name(nsString& aName) const {
+  aName.Truncate();
+
+  nsCOMPtr<nsIStringBundleService> bundleService =
+      mozilla::components::StringBundle::Service();
+
+  NS_ASSERTION(bundleService, "String bundle service must be present!");
+  if (!bundleService) return eNameOK;
+
+  nsCOMPtr<nsIStringBundle> bundle;
+  nsresult rv = bundleService->CreateBundle(
+      "chrome://branding/locale/brand.properties", getter_AddRefs(bundle));
+  if (NS_FAILED(rv)) return eNameOK;
+
+  nsAutoString appName;
+  rv = bundle->GetStringFromName("brandShortName", appName);
+  if (NS_FAILED(rv) || appName.IsEmpty()) {
+    NS_WARNING("brandShortName not found, using default app name");
+    appName.AssignLiteral("Gecko based application");
+  }
+
+  aName.Assign(appName);
+  return eNameOK;
+}
+
+void ApplicationAccessible::Description(nsString& aDescription) const {
+  aDescription.Truncate();
+}
+
+void ApplicationAccessible::Value(nsString& aValue) const { aValue.Truncate(); }
+
+uint64_t ApplicationAccessible::State() {
+  return IsDefunct() ? states::DEFUNCT : 0;
+}
+
+already_AddRefed<AccAttributes> ApplicationAccessible::NativeAttributes() {
+  RefPtr<AccAttributes> attributes = new AccAttributes();
+  return attributes.forget();
+}
+
+GroupPos ApplicationAccessible::GroupPosition() { return GroupPos(); }
+
+LocalAccessible* ApplicationAccessible::LocalChildAtPoint(
+    int32_t aX, int32_t aY, EWhichChildAtPoint aWhichChild) {
+  return nullptr;
+}
+
+Accessible* ApplicationAccessible::FocusedChild() {
+  LocalAccessible* focus = FocusMgr()->FocusedLocalAccessible();
+  if (focus && focus->LocalParent() == this) {
+    return focus;
+  }
+
+  return nullptr;
+}
+
+Relation ApplicationAccessible::RelationByType(
+    RelationType aRelationType) const {
+  return Relation();
+}
+
+mozilla::LayoutDeviceIntRect ApplicationAccessible::Bounds() const {
+  return mozilla::LayoutDeviceIntRect();
+}
+
+nsRect ApplicationAccessible::BoundsInAppUnits() const { return nsRect(); }
+
+////////////////////////////////////////////////////////////////////////////////
+// LocalAccessible public methods
+
+void ApplicationAccessible::Shutdown() { mAppInfo = nullptr; }
+
+void ApplicationAccessible::ApplyARIAState(uint64_t* aState) const {}
+
+role ApplicationAccessible::NativeRole() const { return roles::APP_ROOT; }
+
+uint64_t ApplicationAccessible::NativeState() const { return 0; }
+
+KeyBinding ApplicationAccessible::AccessKey() const { return KeyBinding(); }
+
+void ApplicationAccessible::Init() {
+  // Basically children are kept updated by Append/RemoveChild method calls.
+  // However if there are open windows before accessibility was started
+  // then we need to make sure root accessibles for open windows are created so
+  // that all root accessibles are stored in application accessible children
+  // array.
+
+  nsGlobalWindowOuter::OuterWindowByIdTable* windowsById =
+      nsGlobalWindowOuter::GetWindowsTable();
+
+  if (!windowsById) {
+    return;
+  }
+
+  for (const auto& window : windowsById->Values()) {
+    if (window->GetDocShell() && window->IsRootOuterWindow()) {
+      if (RefPtr<dom::Document> docNode = window->GetExtantDoc()) {
+        GetAccService()->GetDocAccessible(docNode);  // ensure creation
+      }
+    }
+  }
+}
+
+LocalAccessible* ApplicationAccessible::GetSiblingAtOffset(
+    int32_t aOffset, nsresult* aError) const {
+  if (aError) *aError = NS_OK;  // fail peacefully
+
+  return nullptr;
+}