/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
/* vim: set ts=8 sts=2 et sw=2 tw=80: */
/* 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 js_loader_BaseLoadContext_h
#define js_loader_BaseLoadContext_h
#include "js/loader/ScriptLoadRequest.h"
#include "nsIStringBundle.h"
namespace mozilla::dom {
class ScriptLoadContext;
class WorkerLoadContext;
class WorkletLoadContext;
}
// namespace mozilla::dom
namespace mozilla::loader {
class SyncLoadContext;
}
namespace JS::loader {
class ScriptLoadRequest;
/*
* LoadContextBase
*
* LoadContexts augment the loading of a ScriptLoadRequest. This class
* is used as a base for all LoadContexts, and provides shared functionality.
*
*/
enum class ContextKind { Window, Sync, Worker, Worklet };
class LoadContextBase :
public nsISupports {
private:
ContextKind mKind;
protected:
virtual ~LoadContextBase() =
default;
public:
NS_DECL_CYCLE_COLLECTING_ISUPPORTS
NS_DECL_CYCLE_COLLECTION_CLASS(LoadContextBase)
explicit LoadContextBase(ContextKind kind);
void SetRequest(JS::loader::ScriptLoadRequest* aRequest);
// Used to output a string for the Gecko Profiler.
virtual void GetProfilerLabel(nsACString& aOutString);
// Whether this is a preload, for contexts that support them.
virtual bool IsPreload()
const {
return false; }
// Casting to the different contexts
bool IsWindowContext()
const {
return mKind == ContextKind::Window; }
mozilla::dom::ScriptLoadContext* AsWindowContext();
const mozilla::dom::ScriptLoadContext* AsWindowContext()
const;
bool IsSyncContext()
const {
return mKind == ContextKind::Sync; }
mozilla::loader::SyncLoadContext* AsSyncContext();
bool IsWorkerContext()
const {
return mKind == ContextKind::Worker; }
mozilla::dom::WorkerLoadContext* AsWorkerContext();
bool IsWorkletContext()
const {
return mKind == ContextKind::Worklet; }
mozilla::dom::WorkletLoadContext* AsWorkletContext();
RefPtr<JS::loader::ScriptLoadRequest> mRequest;
};
}
// namespace JS::loader
#endif // js_loader_BaseLoadContext_h
