1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/dom/plugins/ipc/PluginIdentifierParent.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,75 @@
1.4 +/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
1.5 + * vim: sw=2 ts=2 et :
1.6 + * This Source Code Form is subject to the terms of the Mozilla Public
1.7 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.8 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.9 +
1.10 +#include "PluginIdentifierParent.h"
1.11 +
1.12 +#include "nsNPAPIPlugin.h"
1.13 +#include "nsServiceManagerUtils.h"
1.14 +#include "PluginScriptableObjectUtils.h"
1.15 +#include "nsCxPusher.h"
1.16 +#include "mozilla/unused.h"
1.17 +
1.18 +using namespace mozilla::plugins::parent;
1.19 +
1.20 +namespace mozilla {
1.21 +namespace plugins {
1.22 +
1.23 +bool
1.24 +PluginIdentifierParent::RecvRetain()
1.25 +{
1.26 + mTemporaryRefs = 0;
1.27 +
1.28 + // Intern the jsid if necessary.
1.29 + AutoSafeJSContext cx;
1.30 + JS::Rooted<jsid> id(cx, NPIdentifierToJSId(mIdentifier));
1.31 + if (JSID_IS_INT(id)) {
1.32 + return true;
1.33 + }
1.34 +
1.35 + // The following is what nsNPAPIPlugin.cpp does. Gross, but the API doesn't
1.36 + // give you a NPP to play with.
1.37 + JS::Rooted<JSString*> str(cx, JSID_TO_STRING(id));
1.38 + JSString* str2 = JS_InternJSString(cx, str);
1.39 + if (!str2) {
1.40 + return false;
1.41 + }
1.42 +
1.43 + NS_ASSERTION(str == str2, "Interning a string in a JSID should always return the same string.");
1.44 +
1.45 + return true;
1.46 +}
1.47 +
1.48 +PluginIdentifierParent::StackIdentifier::StackIdentifier
1.49 + (PluginInstanceParent* inst, NPIdentifier aIdentifier)
1.50 + : mIdentifier(inst->Module()->GetIdentifierForNPIdentifier(inst->GetNPP(), aIdentifier))
1.51 +{
1.52 +}
1.53 +
1.54 +PluginIdentifierParent::StackIdentifier::StackIdentifier
1.55 + (NPObject* aObject, NPIdentifier aIdentifier)
1.56 + : mIdentifier(nullptr)
1.57 +{
1.58 + PluginInstanceParent* inst = GetInstance(aObject);
1.59 + mIdentifier = inst->Module()->GetIdentifierForNPIdentifier(inst->GetNPP(), aIdentifier);
1.60 +}
1.61 +
1.62 +PluginIdentifierParent::StackIdentifier::~StackIdentifier()
1.63 +{
1.64 + if (!mIdentifier) {
1.65 + return;
1.66 + }
1.67 +
1.68 + if (!mIdentifier->IsTemporary()) {
1.69 + return;
1.70 + }
1.71 +
1.72 + if (mIdentifier->RemoveTemporaryRef()) {
1.73 + unused << PPluginIdentifierParent::Send__delete__(mIdentifier);
1.74 + }
1.75 +}
1.76 +
1.77 +} // namespace mozilla::plugins
1.78 +} // namespace mozilla
