gecko-dev/dom/base/nsInProcessTabChildGlobal.h

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/* -*- 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 nsInProcessTabChildGlobal_h
#define nsInProcessTabChildGlobal_h
#include "mozilla/Attributes.h"
#include "mozilla/DOMEventTargetHelper.h"
#include "mozilla/RefPtr.h"
#include "mozilla/dom/ContentFrameMessageManager.h"
#include "nsCOMPtr.h"
#include "nsFrameMessageManager.h"
#include "nsIScriptContext.h"
#include "nsIScriptObjectPrincipal.h"
#include "nsIScriptContext.h"
#include "nsIClassInfo.h"
#include "nsIDocShell.h"
#include "nsCOMArray.h"
#include "nsIRunnable.h"
#include "nsIGlobalObject.h"
#include "nsIScriptObjectPrincipal.h"
#include "nsWeakReference.h"
namespace mozilla {
class EventChainPreVisitor;
} // namespace mozilla
class nsInProcessTabChildGlobal final : public mozilla::dom::ContentFrameMessageManager,
public nsMessageManagerScriptExecutor,
public nsIInProcessContentFrameMessageManager,
public nsIGlobalObject,
public nsIScriptObjectPrincipal,
public nsSupportsWeakReference,
public mozilla::dom::ipc::MessageManagerCallback
{
typedef mozilla::dom::ipc::StructuredCloneData StructuredCloneData;
private:
nsInProcessTabChildGlobal(nsIDocShell* aShell, nsIContent* aOwner,
nsFrameMessageManager* aChrome);
bool Init();
public:
static already_AddRefed<nsInProcessTabChildGlobal> Create(nsIDocShell* aShell,
nsIContent* aOwner,
nsFrameMessageManager* aChrome)
{
RefPtr<nsInProcessTabChildGlobal> global =
new nsInProcessTabChildGlobal(aShell, aOwner, aChrome);
NS_ENSURE_TRUE(global->Init(), nullptr);
return global.forget();
}
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(nsInProcessTabChildGlobal,
mozilla::DOMEventTargetHelper)
void MarkForCC();
virtual JSObject* WrapObject(JSContext* aCx,
JS::Handle<JSObject*> aGivenProto) override
{
MOZ_CRASH("We should never get here!");
}
virtual bool WrapGlobalObject(JSContext* aCx,
JS::RealmOptions& aOptions,
JS::MutableHandle<JSObject*> aReflector) override;
virtual already_AddRefed<nsPIDOMWindowOuter>
GetContent(mozilla::ErrorResult& aError) override;
virtual already_AddRefed<nsIDocShell>
GetDocShell(mozilla::ErrorResult& aError) override
{
nsCOMPtr<nsIDocShell> docShell(mDocShell);
return docShell.forget();
}
virtual already_AddRefed<nsIEventTarget> GetTabEventTarget() override;
virtual uint64_t ChromeOuterWindowID() override;
NS_FORWARD_SAFE_NSIMESSAGESENDER(mMessageManager)
NS_DECL_NSIINPROCESSCONTENTFRAMEMESSAGEMANAGER
void CacheFrameLoader(nsFrameLoader* aFrameLoader);
/**
* MessageManagerCallback methods that we override.
*/
virtual bool DoSendBlockingMessage(JSContext* aCx,
const nsAString& aMessage,
StructuredCloneData& aData,
JS::Handle<JSObject *> aCpows,
nsIPrincipal* aPrincipal,
nsTArray<StructuredCloneData>* aRetVal,
bool aIsSync) override;
virtual nsresult DoSendAsyncMessage(JSContext* aCx,
const nsAString& aMessage,
StructuredCloneData& aData,
JS::Handle<JSObject *> aCpows,
nsIPrincipal* aPrincipal) override;
void GetEventTargetParent(mozilla::EventChainPreVisitor& aVisitor) override;
virtual nsIPrincipal* GetPrincipal() override { return mPrincipal; }
void LoadFrameScript(const nsAString& aURL, bool aRunInGlobalScope);
void FireUnloadEvent();
void DisconnectEventListeners();
void Disconnect();
void SendMessageToParent(const nsString& aMessage, bool aSync,
const nsString& aJSON,
nsTArray<nsString>* aJSONRetVal);
nsFrameMessageManager* GetInnerManager()
{
return static_cast<nsFrameMessageManager*>(mMessageManager.get());
}
void SetOwner(nsIContent* aOwner) { mOwner = aOwner; }
nsFrameMessageManager* GetChromeMessageManager()
{
return mChromeMessageManager;
}
void SetChromeMessageManager(nsFrameMessageManager* aParent)
{
mChromeMessageManager = aParent;
}
virtual JSObject* GetGlobalJSObject() override
{
return GetWrapper();
}
already_AddRefed<nsFrameLoader> GetFrameLoader();
protected:
virtual ~nsInProcessTabChildGlobal();
nsCOMPtr<nsIDocShell> mDocShell;
bool mLoadingScript;
// Is this the message manager for an in-process <iframe mozbrowser>? This
// affects where events get sent, so it affects GetEventTargetParent.
bool mIsBrowserFrame;
bool mPreventEventsEscaping;
// We keep a strong reference to the frameloader after we've started
// teardown. This allows us to dispatch message manager messages during this
// time.
RefPtr<nsFrameLoader> mFrameLoader;
public:
nsIContent* mOwner;
nsFrameMessageManager* mChromeMessageManager;
};
#endif