gecko-dev/dom/mobileconnection/MobileConnectionArray.cpp

114 строки
2.9 KiB
C++

/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=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 "mozilla/dom/MobileConnectionArray.h"
#include "mozilla/dom/MozMobileConnectionArrayBinding.h"
#include "mozilla/Preferences.h"
#include "nsServiceManagerUtils.h"
// Service instantiation
#include "ipc/MobileConnectionIPCService.h"
#if defined(MOZ_WIDGET_GONK) && defined(MOZ_B2G_RIL)
#include "nsIGonkMobileConnectionService.h"
#endif
#include "nsXULAppAPI.h" // For XRE_GetProcessType()
using namespace mozilla::dom;
NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(MobileConnectionArray,
mWindow,
mMobileConnections)
NS_IMPL_CYCLE_COLLECTING_ADDREF(MobileConnectionArray)
NS_IMPL_CYCLE_COLLECTING_RELEASE(MobileConnectionArray)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MobileConnectionArray)
NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
NS_INTERFACE_MAP_ENTRY(nsISupports)
NS_INTERFACE_MAP_END
MobileConnectionArray::MobileConnectionArray(nsPIDOMWindow* aWindow)
: mLengthInitialized(false)
, mWindow(aWindow)
{
}
MobileConnectionArray::~MobileConnectionArray()
{
}
nsPIDOMWindow*
MobileConnectionArray::GetParentObject() const
{
MOZ_ASSERT(mWindow);
return mWindow;
}
JSObject*
MobileConnectionArray::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return MozMobileConnectionArrayBinding::Wrap(aCx, this, aGivenProto);
}
MobileConnection*
MobileConnectionArray::Item(uint32_t aIndex)
{
bool unused;
return IndexedGetter(aIndex, unused);
}
uint32_t
MobileConnectionArray::Length()
{
if (!mLengthInitialized) {
mLengthInitialized = true;
nsCOMPtr<nsIMobileConnectionService> service =
do_GetService(NS_MOBILE_CONNECTION_SERVICE_CONTRACTID);
NS_ENSURE_TRUE(service, 0);
uint32_t length = 0;
nsresult rv = service->GetNumItems(&length);
NS_ENSURE_SUCCESS(rv, 0);
mMobileConnections.SetLength(length);
}
return mMobileConnections.Length();
}
MobileConnection*
MobileConnectionArray::IndexedGetter(uint32_t aIndex, bool& aFound)
{
aFound = aIndex < Length();
if (!aFound) {
return nullptr;
}
if (!mMobileConnections[aIndex]) {
mMobileConnections[aIndex] = new MobileConnection(mWindow, aIndex);
}
return mMobileConnections[aIndex];
}
already_AddRefed<nsIMobileConnectionService>
NS_CreateMobileConnectionService()
{
nsCOMPtr<nsIMobileConnectionService> service;
if (XRE_IsContentProcess()) {
service = new mozilla::dom::mobileconnection::MobileConnectionIPCService();
} else {
#if defined(MOZ_WIDGET_GONK) && defined(MOZ_B2G_RIL)
service = do_GetService(GONK_MOBILECONNECTION_SERVICE_CONTRACTID);
#endif
}
return service.forget();
}