dom/mobileconnection/MobileConnectionArray.cpp

   1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
   2 /* vim: set ts=8 sts=2 et sw=2 tw=80: */
   3 /* This Source Code Form is subject to the terms of the Mozilla Public
   4  * License, v. 2.0. If a copy of the MPL was not distributed with this
   5  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
   6
   7 #include "mozilla/dom/MobileConnectionArray.h"
   8 #include "mozilla/dom/MozMobileConnectionArrayBinding.h"
   9 #include "mozilla/Preferences.h"
  10 #include "nsServiceManagerUtils.h"
  11
  12 // Service instantiation
  13 #include "ipc/ImsRegIPCService.h"
  14 #include "ipc/MobileConnectionIPCService.h"
  15 #if defined(MOZ_WIDGET_GONK) && defined(MOZ_B2G_RIL)
  16 #include "nsIGonkMobileConnectionService.h"
  17 #endif
  18 #include "nsXULAppAPI.h" // For XRE_GetProcessType()
  19
  20 using namespace mozilla::dom;
  21
  22 NS_IMPL_CYCLE_COLLECTION_WRAPPERCACHE(MobileConnectionArray,
  23                                       mWindow,
  24                                       mMobileConnections)
  25
  26 NS_IMPL_CYCLE_COLLECTING_ADDREF(MobileConnectionArray)
  27 NS_IMPL_CYCLE_COLLECTING_RELEASE(MobileConnectionArray)
  28
  29 NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION(MobileConnectionArray)
  30   NS_WRAPPERCACHE_INTERFACE_MAP_ENTRY
  31   NS_INTERFACE_MAP_ENTRY(nsISupports)
  32 NS_INTERFACE_MAP_END
  33
  34 MobileConnectionArray::MobileConnectionArray(nsPIDOMWindow* aWindow)
  35   : mLengthInitialized(false)
  36   , mWindow(aWindow)
  37 {
  38 }
  39
  40 MobileConnectionArray::~MobileConnectionArray()
  41 {
  42 }
  43
  44 nsPIDOMWindow*
  45 MobileConnectionArray::GetParentObject() const
  46 {
  47   MOZ_ASSERT(mWindow);
  48   return mWindow;
  49 }
  50
  51 JSObject*
  52 MobileConnectionArray::WrapObject(JSContext* aCx)
  53 {
  54   return MozMobileConnectionArrayBinding::Wrap(aCx, this);
  55 }
  56
  57 MobileConnection*
  58 MobileConnectionArray::Item(uint32_t aIndex)
  59 {
  60   bool unused;
  61   return IndexedGetter(aIndex, unused);
  62 }
  63
  64 uint32_t
  65 MobileConnectionArray::Length()
  66 {
  67   if (!mLengthInitialized) {
  68     mLengthInitialized = true;
  69
  70     nsCOMPtr<nsIMobileConnectionService> service =
  71       do_GetService(NS_MOBILE_CONNECTION_SERVICE_CONTRACTID);
  72     NS_ENSURE_TRUE(service, 0);
  73
  74     uint32_t length = 0;
  75     nsresult rv = service->GetNumItems(&length);
  76     NS_ENSURE_SUCCESS(rv, 0);
  77
  78     mMobileConnections.SetLength(length);
  79   }
  80
  81   return mMobileConnections.Length();
  82 }
  83
  84 MobileConnection*
  85 MobileConnectionArray::IndexedGetter(uint32_t aIndex, bool& aFound)
  86 {
  87
  88   aFound = aIndex < Length();
  89   if (!aFound) {
  90     return nullptr;
  91   }
  92
  93   if (!mMobileConnections[aIndex]) {
  94     mMobileConnections[aIndex] = new MobileConnection(mWindow, aIndex);
  95   }
  96
  97   return mMobileConnections[aIndex];
  98 }
  99
 100 already_AddRefed<nsIMobileConnectionService>
 101 NS_CreateMobileConnectionService()
 102 {
 103   nsCOMPtr<nsIMobileConnectionService> service;
 104
 105   if (XRE_GetProcessType() == GeckoProcessType_Content) {
 106     service = new mozilla::dom::mobileconnection::MobileConnectionIPCService();
 107   } else {
 108 #if defined(MOZ_WIDGET_GONK) && defined(MOZ_B2G_RIL)
 109     service = do_GetService(GONK_MOBILECONNECTION_SERVICE_CONTRACTID);
 110 #endif
 111   }
 112
 113   return service.forget();
 114 }
 115
 116 already_AddRefed<nsIImsRegService>
 117 NS_CreateImsRegService()
 118 {
 119   nsCOMPtr<nsIImsRegService> service;
 120
 121   if (XRE_GetProcessType() == GeckoProcessType_Content) {
 122     // Could be nullptr if the IMS feature is not enabled by the device.
 123     service = mozilla::dom::mobileconnection::ImsRegIPCService::GetSingleton();
 124   }
 125   // Note: Gonk implementation is provided by OEM Vendor by replacing the
 126   //       XPCOM component of nsIImsRegService with bundle in parent process.
 127
 128   return service.forget();
 129 }