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/* -*- 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_
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