gecko-dev/dom/base/ContentFrameMessageManager.h

77 строки
2.3 KiB
C++

/* -*- 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 mozilla_dom_ContentFrameMessageManager_h
#define mozilla_dom_ContentFrameMessageManager_h
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/dom/MessageManagerGlobal.h"
#include "mozilla/dom/ResolveSystemBinding.h"
#include "nsContentUtils.h"
namespace mozilla {
namespace dom {
/**
* Base class for implementing the WebIDL ContentFrameMessageManager class.
*/
class ContentFrameMessageManager : public DOMEventTargetHelper,
public MessageManagerGlobal
{
public:
using DOMEventTargetHelper::AddRef;
using DOMEventTargetHelper::Release;
bool DoResolve(JSContext* aCx, JS::Handle<JSObject*> aObj,
JS::Handle<jsid> aId,
JS::MutableHandle<JS::PropertyDescriptor> aDesc)
{
bool found;
if (!SystemGlobalResolve(aCx, aObj, aId, &found)) {
return false;
}
if (found) {
FillPropertyDescriptor(aDesc, aObj, JS::UndefinedValue(), false);
}
return true;
}
static bool MayResolve(jsid aId)
{
return MayResolveAsSystemBindingName(aId);
}
void GetOwnPropertyNames(JSContext* aCx, JS::AutoIdVector& aNames,
bool aEnumerableOnly, mozilla::ErrorResult& aRv)
{
JS::Rooted<JSObject*> thisObj(aCx, GetWrapper());
GetSystemBindingNames(aCx, thisObj, aNames, aEnumerableOnly, aRv);
}
virtual already_AddRefed<nsPIDOMWindowOuter> GetContent(ErrorResult& aError) = 0;
virtual already_AddRefed<nsIDocShell> GetDocShell(ErrorResult& aError) = 0;
virtual already_AddRefed<nsIEventTarget> GetTabEventTarget() = 0;
virtual uint64_t ChromeOuterWindowID() = 0;
nsFrameMessageManager* GetMessageManager()
{
return mMessageManager;
}
void DisconnectMessageManager()
{
mMessageManager->Disconnect();
mMessageManager = nullptr;
}
protected:
explicit ContentFrameMessageManager(nsFrameMessageManager* aMessageManager)
: MessageManagerGlobal(aMessageManager)
{}
};
} // namespace dom
} // namespace mozilla
#endif // mozilla_dom_ContentFrameMessageManager_h