The Tor Browser: dom/plugins/ipc/PluginIdentifierParent.cpp@b8a032363ba2

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

     1 /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-

     2  * vim: sw=2 ts=2 et :

     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/. */

     7 #include "PluginIdentifierParent.h"

     9 #include "nsNPAPIPlugin.h"

    10 #include "nsServiceManagerUtils.h"

    11 #include "PluginScriptableObjectUtils.h"

    12 #include "nsCxPusher.h"

    13 #include "mozilla/unused.h"

    15 using namespace mozilla::plugins::parent;

    17 namespace mozilla {

    18 namespace plugins {

    20 bool

    21 PluginIdentifierParent::RecvRetain()

    22 {

    23   mTemporaryRefs = 0;

    25   // Intern the jsid if necessary.

    26   AutoSafeJSContext cx;

    27   JS::Rooted<jsid> id(cx, NPIdentifierToJSId(mIdentifier));

    28   if (JSID_IS_INT(id)) {

    29     return true;

    30   }

    32   // The following is what nsNPAPIPlugin.cpp does. Gross, but the API doesn't

    33   // give you a NPP to play with.

    34   JS::Rooted<JSString*> str(cx, JSID_TO_STRING(id));

    35   JSString* str2 = JS_InternJSString(cx, str);

    36   if (!str2) {

    37     return false;

    38   }

    40   NS_ASSERTION(str == str2, "Interning a string in a JSID should always return the same string.");

    42   return true;

    43 }

    45 PluginIdentifierParent::StackIdentifier::StackIdentifier

    46     (PluginInstanceParent* inst, NPIdentifier aIdentifier)

    47   : mIdentifier(inst->Module()->GetIdentifierForNPIdentifier(inst->GetNPP(), aIdentifier))

    48 {

    49 }

    51 PluginIdentifierParent::StackIdentifier::StackIdentifier

    52     (NPObject* aObject, NPIdentifier aIdentifier)

    53   : mIdentifier(nullptr)

    54 {

    55   PluginInstanceParent* inst = GetInstance(aObject);

    56   mIdentifier = inst->Module()->GetIdentifierForNPIdentifier(inst->GetNPP(), aIdentifier);

    57 }

    59 PluginIdentifierParent::StackIdentifier::~StackIdentifier()

    60 {

    61   if (!mIdentifier) {

    62     return;

    63   }

    65   if (!mIdentifier->IsTemporary()) {

    66     return;

    67   }

    69   if (mIdentifier->RemoveTemporaryRef()) {

    70     unused << PPluginIdentifierParent::Send__delete__(mIdentifier);

    71   }

    72 }

    74 } // namespace mozilla::plugins

    75 } // namespace mozilla

The Tor Browser / file revision