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/* -*- 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;
}
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