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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 "nsCOMPtr.h"
#include "nsFrameMessageManager.h"
#include "nsIScriptContext.h"
#include "nsIScriptObjectPrincipal.h"
#include "nsIScriptContext.h"
#include "nsIClassInfo.h"
#include "nsIDocShell.h"
#include "nsIDOMElement.h"
#include "nsCOMArray.h"
#include "nsIRunnable.h"
#include "nsIGlobalObject.h"
#include "nsIScriptObjectPrincipal.h"
#include "nsWeakReference.h"
namespace mozilla {
class EventChainPreVisitor;
} // namespace mozilla
class nsInProcessTabChildGlobal : public mozilla::DOMEventTargetHelper,
public nsMessageManagerScriptExecutor,
public nsIInProcessContentFrameMessageManager,
public nsIGlobalObject,
public nsIScriptObjectPrincipal,
public nsSupportsWeakReference,
public mozilla::dom::ipc::MessageManagerCallback
{
typedef mozilla::dom::ipc::StructuredCloneData StructuredCloneData;
using mozilla::dom::ipc::MessageManagerCallback::GetProcessMessageManager;
public:
nsInProcessTabChildGlobal(nsIDocShell* aShell, nsIContent* aOwner,
nsFrameMessageManager* aChrome);
NS_DECL_ISUPPORTS_INHERITED
NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS_INHERITED(nsInProcessTabChildGlobal,
mozilla::DOMEventTargetHelper)
NS_FORWARD_SAFE_NSIMESSAGELISTENERMANAGER(mMessageManager)
NS_FORWARD_SAFE_NSIMESSAGESENDER(mMessageManager)
NS_FORWARD_SAFE_NSIMESSAGEMANAGERGLOBAL(mMessageManager)
NS_IMETHOD SendSyncMessage(const nsAString& aMessageName,
JS::Handle<JS::Value> aObject,
JS::Handle<JS::Value> aRemote,
nsIPrincipal* aPrincipal,
JSContext* aCx,
uint8_t aArgc,
JS::MutableHandle<JS::Value> aRetval) override
{
return mMessageManager
? mMessageManager->SendSyncMessage(aMessageName, aObject, aRemote,
aPrincipal, aCx, aArgc, aRetval)
: NS_ERROR_NULL_POINTER;
}
NS_IMETHOD SendRpcMessage(const nsAString& aMessageName,
JS::Handle<JS::Value> aObject,
JS::Handle<JS::Value> aRemote,
nsIPrincipal* aPrincipal,
JSContext* aCx,
uint8_t aArgc,
JS::MutableHandle<JS::Value> aRetval) override
{
return mMessageManager
? mMessageManager->SendRpcMessage(aMessageName, aObject, aRemote,
aPrincipal, aCx, aArgc, aRetval)
: NS_ERROR_NULL_POINTER;
}
NS_IMETHOD GetContent(mozIDOMWindowProxy** aContent) override;
NS_IMETHOD GetDocShell(nsIDocShell** aDocShell) override;
NS_DECL_NSIINPROCESSCONTENTFRAMEMESSAGEMANAGER
/**
* 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;
virtual nsresult PreHandleEvent(
mozilla::EventChainPreVisitor& aVisitor) override;
NS_IMETHOD AddEventListener(const nsAString& aType,
nsIDOMEventListener* aListener,
bool aUseCapture)
{
// By default add listeners only for trusted events!
return mozilla::DOMEventTargetHelper::AddEventListener(aType, aListener,
aUseCapture, false,
2);
}
NS_IMETHOD AddEventListener(const nsAString& aType,
nsIDOMEventListener* aListener,
bool aUseCapture, bool aWantsUntrusted,
uint8_t optional_argc) override
{
return mozilla::DOMEventTargetHelper::AddEventListener(aType, aListener,
aUseCapture,
aWantsUntrusted,
optional_argc);
}
using mozilla::DOMEventTargetHelper::AddEventListener;
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 {
if (!mGlobal) {
return nullptr;
}
return mGlobal->GetJSObject();
}
virtual JSObject* WrapObject(JSContext* cx, JS::Handle<JSObject*> aGivenProto) override
{
MOZ_CRASH("nsInProcessTabChildGlobal doesn't use DOM bindings!");
}
already_AddRefed<nsIFrameLoader> GetFrameLoader();
protected:
virtual ~nsInProcessTabChildGlobal();
nsresult Init();
nsresult InitTabChildGlobal();
nsCOMPtr<nsIContentFrameMessageManager> mMessageManager;
nsCOMPtr<nsIDocShell> mDocShell;
bool mInitialized;
bool mLoadingScript;
// Is this the message manager for an in-process <iframe mozbrowser> or
// <iframe mozapp>? This affects where events get sent, so it affects
// PreHandleEvent.
bool mIsBrowserOrAppFrame;
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.
nsCOMPtr<nsIFrameLoader> mFrameLoader;
public:
nsIContent* mOwner;
nsFrameMessageManager* mChromeMessageManager;
};
#endif
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