import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

2026-09-06 15:58:39 +09:00 · 2018-01-19 03:59:58 +08:00 · 2018-01-19 03:59:58 +08:00 · dcd9973243
commit dcd9973243
150858 changed files with 23884658 additions and 0 deletions
--- a/accessible/generic/ApplicationAccessible.cpp
+++ b/accessible/generic/ApplicationAccessible.cpp
@ -0,0 +1,201 @@
+/* -*- 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 "nsAccessibilityService.h"
+#include "nsAccUtils.h"
+#include "Relation.h"
+#include "Role.h"
+#include "States.h"
+
+#include "nsIComponentManager.h"
+#include "nsIDOMDocument.h"
+#include "nsIWindowMediator.h"
+#include "nsServiceManagerUtils.h"
+#include "mozilla/Services.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");
+}
+
+NS_IMPL_ISUPPORTS_INHERITED0(ApplicationAccessible, Accessible)
+
+////////////////////////////////////////////////////////////////////////////////
+// nsIAccessible
+
+ENameValueFlag
+ApplicationAccessible::Name(nsString& aName)
+{
+  aName.Truncate();
+
+  nsCOMPtr<nsIStringBundleService> bundleService =
+    mozilla::services::GetStringBundleService();
+
+  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;
+
+  nsXPIDLString appName;
+  rv = bundle->GetStringFromName(u"brandShortName",
+                                 getter_Copies(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)
+{
+  aDescription.Truncate();
+}
+
+void
+ApplicationAccessible::Value(nsString& aValue)
+{
+  aValue.Truncate();
+}
+
+uint64_t
+ApplicationAccessible::State()
+{
+  return IsDefunct() ? states::DEFUNCT : 0;
+}
+
+already_AddRefed<nsIPersistentProperties>
+ApplicationAccessible::NativeAttributes()
+{
+  return nullptr;
+}
+
+GroupPos
+ApplicationAccessible::GroupPosition()
+{
+  return GroupPos();
+}
+
+Accessible*
+ApplicationAccessible::ChildAtPoint(int32_t aX, int32_t aY,
+                                    EWhichChildAtPoint aWhichChild)
+{
+  return nullptr;
+}
+
+Accessible*
+ApplicationAccessible::FocusedChild()
+{
+  Accessible* focus = FocusMgr()->FocusedAccessible();
+  if (focus && focus->Parent() == this)
+    return focus;
+
+  return nullptr;
+}
+
+Relation
+ApplicationAccessible::RelationByType(RelationType aRelationType)
+{
+  return Relation();
+}
+
+nsIntRect
+ApplicationAccessible::Bounds() const
+{
+  return nsIntRect();
+}
+
+////////////////////////////////////////////////////////////////////////////////
+// Accessible public methods
+
+void
+ApplicationAccessible::Shutdown()
+{
+  mAppInfo = nullptr;
+}
+
+void
+ApplicationAccessible::ApplyARIAState(uint64_t* aState) const
+{
+}
+
+role
+ApplicationAccessible::NativeRole()
+{
+  return roles::APP_ROOT;
+}
+
+uint64_t
+ApplicationAccessible::NativeState()
+{
+  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.
+
+  nsCOMPtr<nsIWindowMediator> windowMediator =
+    do_GetService(NS_WINDOWMEDIATOR_CONTRACTID);
+
+  nsCOMPtr<nsISimpleEnumerator> windowEnumerator;
+  nsresult rv = windowMediator->GetEnumerator(nullptr,
+                                              getter_AddRefs(windowEnumerator));
+  if (NS_FAILED(rv))
+    return;
+
+  bool hasMore = false;
+  windowEnumerator->HasMoreElements(&hasMore);
+  while (hasMore) {
+    nsCOMPtr<nsISupports> window;
+    windowEnumerator->GetNext(getter_AddRefs(window));
+    nsCOMPtr<nsPIDOMWindowOuter> DOMWindow = do_QueryInterface(window);
+    if (DOMWindow) {
+      nsCOMPtr<nsIDocument> docNode = DOMWindow->GetDoc();
+      if (docNode) {
+        GetAccService()->GetDocAccessible(docNode); // ensure creation
+      }
+    }
+    windowEnumerator->HasMoreElements(&hasMore);
+  }
+}
+
+Accessible*
+ApplicationAccessible::GetSiblingAtOffset(int32_t aOffset,
+                                          nsresult* aError) const
+{
+  if (aError)
+    *aError = NS_OK; // fail peacefully
+
+  return nullptr;
+}