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nsInProcessTabChildGlobal.h
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nsInProcessTabChildGlobal.h
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/* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8; -*- */
/* vim: set sw=4 ts=8 et 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 nsFrameScriptExecutor,
public nsIInProcessContentFrameMessageManager,
public nsIGlobalObject,
public nsIScriptObjectPrincipal,
public nsSupportsWeakReference,
public mozilla::dom::ipc::MessageManagerCallback
{
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_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) MOZ_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) MOZ_OVERRIDE
{
return mMessageManager
? mMessageManager->SendRpcMessage(aMessageName, aObject, aRemote,
aPrincipal, aCx, aArgc, aRetval)
: NS_ERROR_NULL_POINTER;
}
NS_IMETHOD GetContent(nsIDOMWindow** aContent) MOZ_OVERRIDE;
NS_IMETHOD GetDocShell(nsIDocShell** aDocShell) MOZ_OVERRIDE;
NS_IMETHOD Dump(const nsAString& aStr) MOZ_OVERRIDE
{
return mMessageManager ? mMessageManager->Dump(aStr) : NS_OK;
}
NS_IMETHOD PrivateNoteIntentionalCrash() MOZ_OVERRIDE;
NS_IMETHOD Btoa(const nsAString& aBinaryData,
nsAString& aAsciiBase64String) MOZ_OVERRIDE;
NS_IMETHOD Atob(const nsAString& aAsciiString,
nsAString& aBinaryData) MOZ_OVERRIDE;
NS_DECL_NSIINPROCESSCONTENTFRAMEMESSAGEMANAGER
/**
* MessageManagerCallback methods that we override.
*/
virtual bool DoSendBlockingMessage(JSContext* aCx,
const nsAString& aMessage,
const mozilla::dom::StructuredCloneData& aData,
JS::Handle<JSObject *> aCpows,
nsIPrincipal* aPrincipal,
InfallibleTArray<nsString>* aJSONRetVal,
bool aIsSync) MOZ_OVERRIDE;
virtual bool DoSendAsyncMessage(JSContext* aCx,
const nsAString& aMessage,
const mozilla::dom::StructuredCloneData& aData,
JS::Handle<JSObject *> aCpows,
nsIPrincipal* aPrincipal) MOZ_OVERRIDE;
virtual nsresult PreHandleEvent(
mozilla::EventChainPreVisitor& aVisitor) MOZ_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) MOZ_OVERRIDE
{
return mozilla::DOMEventTargetHelper::AddEventListener(aType, aListener,
aUseCapture,
aWantsUntrusted,
optional_argc);
}
using mozilla::DOMEventTargetHelper::AddEventListener;
virtual JSContext* GetJSContextForEventHandlers() MOZ_OVERRIDE { return nsContentUtils::GetSafeJSContext(); }
virtual nsIPrincipal* GetPrincipal() MOZ_OVERRIDE { return mPrincipal; }
void LoadFrameScript(const nsAString& aURL, bool aRunInGlobalScope);
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;
}
void DelayedDisconnect();
virtual JSObject* GetGlobalJSObject() MOZ_OVERRIDE {
if (!mGlobal) {
return nullptr;
}
return mGlobal->GetJSObject();
}
virtual JSObject* WrapObject(JSContext* cx) MOZ_OVERRIDE
{
MOZ_CRASH("nsInProcessTabChildGlobal doesn't use DOM bindings!");
}
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;
public:
nsIContent* mOwner;
nsFrameMessageManager* mChromeMessageManager;
nsTArray<nsCOMPtr<nsIRunnable> > mASyncMessages;
};
#endif