The Tor Browser / file comparison
comparison: dom/plugins/ipc/PluginIdentifierParent.cpp
dom/plugins/ipc/PluginIdentifierParent.cpp
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| 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/. */ | |
| 6 | |
| 7 #include "PluginIdentifierParent.h" | |
| 8 | |
| 9 #include "nsNPAPIPlugin.h" | |
| 10 #include "nsServiceManagerUtils.h" | |
| 11 #include "PluginScriptableObjectUtils.h" | |
| 12 #include "nsCxPusher.h" | |
| 13 #include "mozilla/unused.h" | |
| 14 | |
| 15 using namespace mozilla::plugins::parent; | |
| 16 | |
| 17 namespace mozilla { | |
| 18 namespace plugins { | |
| 19 | |
| 20 bool | |
| 21 PluginIdentifierParent::RecvRetain() | |
| 22 { | |
| 23 mTemporaryRefs = 0; | |
| 24 | |
| 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 } | |
| 31 | |
| 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 } | |
| 39 | |
| 40 NS_ASSERTION(str == str2, "Interning a string in a JSID should always return the same string."); | |
| 41 | |
| 42 return true; | |
| 43 } | |
| 44 | |
| 45 PluginIdentifierParent::StackIdentifier::StackIdentifier | |
| 46 (PluginInstanceParent* inst, NPIdentifier aIdentifier) | |
| 47 : mIdentifier(inst->Module()->GetIdentifierForNPIdentifier(inst->GetNPP(), aIdentifier)) | |
| 48 { | |
| 49 } | |
| 50 | |
| 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 } | |
| 58 | |
| 59 PluginIdentifierParent::StackIdentifier::~StackIdentifier() | |
| 60 { | |
| 61 if (!mIdentifier) { | |
| 62 return; | |
| 63 } | |
| 64 | |
| 65 if (!mIdentifier->IsTemporary()) { | |
| 66 return; | |
| 67 } | |
| 68 | |
| 69 if (mIdentifier->RemoveTemporaryRef()) { | |
| 70 unused << PPluginIdentifierParent::Send__delete__(mIdentifier); | |
| 71 } | |
| 72 } | |
| 73 | |
| 74 } // namespace mozilla::plugins | |
| 75 } // namespace mozilla |
