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-rw-r--r--accessible/generic/ApplicationAccessible.cpp142
1 files changed, 142 insertions, 0 deletions
diff --git a/accessible/generic/ApplicationAccessible.cpp b/accessible/generic/ApplicationAccessible.cpp
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+++ b/accessible/generic/ApplicationAccessible.cpp
@@ -0,0 +1,142 @@
+/* -*- 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 "LocalAccessible-inl.h"
+#include "nsAccessibilityService.h"
+#include "Relation.h"
+#include "mozilla/a11y/Role.h"
+#include "States.h"
+
+#include "nsServiceManagerUtils.h"
+#include "mozilla/dom/Document.h"
+#include "mozilla/Components.h"
+#include "nsGlobalWindowOuter.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;
+}