1 files changed, 99 insertions, 0 deletions
diff --git a/dom/plugins/base/nsJSNPRuntime.h b/dom/plugins/base/nsJSNPRuntime.h
new file mode 100644
index 0000000000..c1e877f859
--- /dev/null
+++ b/dom/plugins/base/nsJSNPRuntime.h
@@ -0,0 +1,99 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#ifndef nsJSNPRuntime_h_
+#define nsJSNPRuntime_h_
+
+#include "nscore.h"
+#include "npapi.h"
+#include "npruntime.h"
+#include "PLDHashTable.h"
+#include "js/RootingAPI.h"
+
+class nsJSNPRuntime {
+ public:
+  static void OnPluginDestroy(NPP npp);
+  static void OnPluginDestroyPending(NPP npp);
+};
+
+class nsJSObjWrapperKey {
+ public:
+  nsJSObjWrapperKey(JSObject* obj, NPP npp) : mJSObj(obj), mNpp(npp) {}
+
+  bool operator==(const nsJSObjWrapperKey& other) const {
+    return mJSObj == other.mJSObj && mNpp == other.mNpp;
+  }
+  bool operator!=(const nsJSObjWrapperKey& other) const {
+    return !(*this == other);
+  }
+
+  void trace(JSTracer* trc) {
+    JS::TraceEdge(trc, &mJSObj, "nsJSObjWrapperKey");
+  }
+
+  nsJSObjWrapperKey(nsJSObjWrapperKey&& other) = default;
+  nsJSObjWrapperKey& operator=(nsJSObjWrapperKey&& other) = default;
+
+  JS::Heap<JSObject*> mJSObj;
+  NPP mNpp;
+};
+
+class nsJSObjWrapper : public NPObject {
+ public:
+  JS::Heap<JSObject*> mJSObj;
+  // Because mJSObj might be a cross-compartment wrapper, we can't use it to
+  // enter the target realm. We use this global instead (it's always
+  // same-compartment with mJSObj).
+  JS::Heap<JSObject*> mJSObjGlobal;
+  const NPP mNpp;
+  bool mDestroyPending;
+
+  static NPObject* GetNewOrUsed(NPP npp, JS::Handle<JSObject*> obj,
+                                JS::Handle<JSObject*> objGlobal);
+
+  void trace(JSTracer* trc) {
+    JS::TraceEdge(trc, &mJSObj, "nsJSObjWrapper::mJSObj");
+    JS::TraceEdge(trc, &mJSObjGlobal, "nsJSObjWrapper::mJSObjGlobal");
+  }
+
+ protected:
+  explicit nsJSObjWrapper(NPP npp);
+  ~nsJSObjWrapper();
+
+  static NPObject* NP_Allocate(NPP npp, NPClass* aClass);
+  static void NP_Deallocate(NPObject* obj);
+  static void NP_Invalidate(NPObject* obj);
+  static bool NP_HasMethod(NPObject*, NPIdentifier identifier);
+  static bool NP_Invoke(NPObject* obj, NPIdentifier method,
+                        const NPVariant* args, uint32_t argCount,
+                        NPVariant* result);
+  static bool NP_InvokeDefault(NPObject* obj, const NPVariant* args,
+                               uint32_t argCount, NPVariant* result);
+  static bool NP_HasProperty(NPObject* obj, NPIdentifier property);
+  static bool NP_GetProperty(NPObject* obj, NPIdentifier property,
+                             NPVariant* result);
+  static bool NP_SetProperty(NPObject* obj, NPIdentifier property,
+                             const NPVariant* value);
+  static bool NP_RemoveProperty(NPObject* obj, NPIdentifier property);
+  static bool NP_Enumerate(NPObject* npobj, NPIdentifier** identifier,
+                           uint32_t* count);
+  static bool NP_Construct(NPObject* obj, const NPVariant* args,
+                           uint32_t argCount, NPVariant* result);
+
+ public:
+  static NPClass sJSObjWrapperNPClass;
+};
+
+class nsNPObjWrapper {
+ public:
+  static bool IsWrapper(JSObject* obj);
+  static void OnDestroy(NPObject* npobj);
+  static JSObject* GetNewOrUsed(NPP npp, JSContext* cx, NPObject* npobj);
+};
+
+bool JSValToNPVariant(NPP npp, JSContext* cx, const JS::Value& val,
+                      NPVariant* variant);
+
+#endif  // nsJSNPRuntime_h_