dom/icc/IccListener.cpp

   1 /* This Source Code Form is subject to the terms of the Mozilla Public
   2  * License, v. 2.0. If a copy of the MPL was not distributed with this file,
   3  * You can obtain one at http://mozilla.org/MPL/2.0/. */
   4
   5 #include "IccListener.h"
   6
   7 #include "Icc.h"
   8 #include "IccManager.h"
   9 #include "nsIDOMClassInfo.h"
  10 #include "nsIIccInfo.h"
  11 #include "nsRadioInterfaceLayer.h"
  12
  13 using namespace mozilla::dom;
  14
  15 NS_IMPL_ISUPPORTS(IccListener, nsIIccListener)
  16
  17 IccListener::IccListener(IccManager* aIccManager, uint32_t aClientId)
  18   : mClientId(aClientId)
  19   , mIccManager(aIccManager)
  20 {
  21   MOZ_ASSERT(mIccManager);
  22
  23   mProvider = do_GetService(NS_RILCONTENTHELPER_CONTRACTID);
  24
  25   if (!mProvider) {
  26     NS_WARNING("Could not acquire nsIIccProvider!");
  27     return;
  28   }
  29
  30   nsCOMPtr<nsIIccInfo> iccInfo;
  31   mProvider->GetIccInfo(mClientId, getter_AddRefs(iccInfo));
  32   if (iccInfo) {
  33     nsString iccId;
  34     iccInfo->GetIccid(iccId);
  35     if (!iccId.IsEmpty()) {
  36       mIcc = new Icc(mIccManager->GetOwner(), mClientId, iccInfo);
  37     }
  38   }
  39
  40   DebugOnly<nsresult> rv = mProvider->RegisterIccMsg(mClientId, this);
  41   NS_WARN_IF_FALSE(NS_SUCCEEDED(rv),
  42                    "Failed registering icc messages with provider");
  43 }
  44
  45 IccListener::~IccListener()
  46 {
  47   Shutdown();
  48 }
  49
  50 void
  51 IccListener::Shutdown()
  52 {
  53   if (mProvider) {
  54     mProvider->UnregisterIccMsg(mClientId, this);
  55     mProvider = nullptr;
  56   }
  57
  58   if (mIcc) {
  59     mIcc->Shutdown();
  60     mIcc = nullptr;
  61   }
  62
  63   mIccManager = nullptr;
  64 }
  65
  66 // nsIIccListener
  67
  68 NS_IMETHODIMP
  69 IccListener::NotifyStkCommand(const nsAString& aMessage)
  70 {
  71   if (!mIcc) {
  72     return NS_OK;
  73   }
  74
  75   return mIcc->NotifyStkEvent(NS_LITERAL_STRING("stkcommand"), aMessage);
  76 }
  77
  78 NS_IMETHODIMP
  79 IccListener::NotifyStkSessionEnd()
  80 {
  81   if (!mIcc) {
  82     return NS_OK;
  83   }
  84
  85   return mIcc->NotifyEvent(NS_LITERAL_STRING("stksessionend"));
  86 }
  87
  88 NS_IMETHODIMP
  89 IccListener::NotifyCardStateChanged()
  90 {
  91   if (!mIcc) {
  92     return NS_OK;
  93   }
  94
  95   return mIcc->NotifyEvent(NS_LITERAL_STRING("cardstatechange"));
  96 }
  97
  98 NS_IMETHODIMP
  99 IccListener::NotifyIccInfoChanged()
 100 {
 101   nsCOMPtr<nsIIccInfo> iccInfo;
 102   mProvider->GetIccInfo(mClientId, getter_AddRefs(iccInfo));
 103
 104   // Create/delete icc object based on current iccInfo.
 105   // 1. If the mIcc is nullptr and iccInfo has valid data, create icc object and
 106   //    notify mIccManager a new icc is added.
 107   // 2. If the mIcc is not nullptr and iccInfo becomes to null, delete existed
 108   //    icc object and notify mIccManager the icc is removed.
 109   if (!mIcc) {
 110     if (iccInfo) {
 111       nsString iccId;
 112       iccInfo->GetIccid(iccId);
 113       if (!iccId.IsEmpty()) {
 114         mIcc = new Icc(mIccManager->GetOwner(), mClientId, iccInfo);
 115         mIccManager->NotifyIccAdd(iccId);
 116         mIcc->NotifyEvent(NS_LITERAL_STRING("iccinfochange"));
 117       }
 118     }
 119   } else {
 120     mIcc->UpdateIccInfo(iccInfo);
 121     mIcc->NotifyEvent(NS_LITERAL_STRING("iccinfochange"));
 122     if (!iccInfo) {
 123       nsString iccId = mIcc->GetIccId();
 124       mIcc->Shutdown();
 125       mIcc = nullptr;
 126       mIccManager->NotifyIccRemove(iccId);
 127     }
 128   }
 129
 130   return NS_OK;
 131 }