The Tor Browser: dom/icc/src/IccListener.cpp@b8a032363ba2

Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6

     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/. */

     5 #include "IccListener.h"

     7 #include "Icc.h"

     8 #include "IccManager.h"

     9 #include "nsIDOMClassInfo.h"

    10 #include "nsIDOMIccInfo.h"

    11 #include "nsRadioInterfaceLayer.h"

    13 using namespace mozilla::dom;

    15 NS_IMPL_ISUPPORTS(IccListener, nsIIccListener)

    17 IccListener::IccListener(IccManager* aIccManager, uint32_t aClientId)

    18   : mClientId(aClientId)

    19   , mIccManager(aIccManager)

    20 {

    21   MOZ_ASSERT(mIccManager);

    23   mProvider = do_GetService(NS_RILCONTENTHELPER_CONTRACTID);

    25   if (!mProvider) {

    26     NS_WARNING("Could not acquire nsIIccProvider!");

    27     return;

    28   }

    30   nsCOMPtr<nsIDOMMozIccInfo> 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, iccId);

    37     }

    38   }

    40   DebugOnly<nsresult> rv = mProvider->RegisterIccMsg(mClientId, this);

    41   NS_WARN_IF_FALSE(NS_SUCCEEDED(rv),

    42                    "Failed registering icc messages with provider");

    43 }

    45 IccListener::~IccListener()

    46 {

    47   Shutdown();

    48 }

    50 void

    51 IccListener::Shutdown()

    52 {

    53   if (mProvider) {

    54     mProvider->UnregisterIccMsg(mClientId, this);

    55     mProvider = nullptr;

    56   }

    58   if (mIcc) {

    59     mIcc->Shutdown();

    60     mIcc = nullptr;

    61   }

    63   mIccManager = nullptr;

    64 }

    66 // nsIIccListener

    68 NS_IMETHODIMP

    69 IccListener::NotifyStkCommand(const nsAString& aMessage)

    70 {

    71   if (!mIcc) {

    72     return NS_OK;

    73   }

    75   return mIcc->NotifyStkEvent(NS_LITERAL_STRING("stkcommand"), aMessage);

    76 }

    78 NS_IMETHODIMP

    79 IccListener::NotifyStkSessionEnd()

    80 {

    81   if (!mIcc) {

    82     return NS_OK;

    83   }

    85   return mIcc->NotifyEvent(NS_LITERAL_STRING("stksessionend"));

    86 }

    88 NS_IMETHODIMP

    89 IccListener::NotifyCardStateChanged()

    90 {

    91   if (!mIcc) {

    92     return NS_OK;

    93   }

    95   return mIcc->NotifyEvent(NS_LITERAL_STRING("cardstatechange"));

    96 }

    98 NS_IMETHODIMP

    99 IccListener::NotifyIccInfoChanged()

   100 {

   101   nsCOMPtr<nsIDOMMozIccInfo> iccInfo;

   102   mProvider->GetIccInfo(mClientId, getter_AddRefs(iccInfo));

   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, iccId);

   115         mIccManager->NotifyIccAdd(iccId);

   116         mIcc->NotifyEvent(NS_LITERAL_STRING("iccinfochange"));

   117       }

   118     }

   119   } else {

   120     mIcc->NotifyEvent(NS_LITERAL_STRING("iccinfochange"));

   121     if (!iccInfo) {

   122       nsString iccId = mIcc->GetIccId();

   123       mIcc->Shutdown();

   124       mIcc = nullptr;

   125       mIccManager->NotifyIccRemove(iccId);

   126     }

   127   }

   129   return NS_OK;

   130 }

The Tor Browser / file revision