michael@0: /* -*- Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil; tab-width: 8; -*- */
michael@0: /* vim: set sw=4 ts=8 et tw=80 : */
michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #ifndef nsInProcessTabChildGlobal_h
michael@0: #define nsInProcessTabChildGlobal_h
michael@0: 
michael@0: #include "mozilla/Attributes.h"
michael@0: #include "mozilla/DOMEventTargetHelper.h"
michael@0: #include "nsCOMPtr.h"
michael@0: #include "nsFrameMessageManager.h"
michael@0: #include "nsIScriptContext.h"
michael@0: #include "nsIScriptObjectPrincipal.h"
michael@0: #include "nsIScriptContext.h"
michael@0: #include "nsIClassInfo.h"
michael@0: #include "nsIDocShell.h"
michael@0: #include "nsIDOMElement.h"
michael@0: #include "nsCOMArray.h"
michael@0: #include "nsIRunnable.h"
michael@0: #include "nsIGlobalObject.h"
michael@0: #include "nsIScriptObjectPrincipal.h"
michael@0: #include "nsWeakReference.h"
michael@0: 
michael@0: namespace mozilla {
michael@0: class EventChainPreVisitor;
michael@0: } // namespace mozilla
michael@0: 
michael@0: class nsInProcessTabChildGlobal : public mozilla::DOMEventTargetHelper,
michael@0:                                   public nsFrameScriptExecutor,
michael@0:                                   public nsIInProcessContentFrameMessageManager,
michael@0:                                   public nsIGlobalObject,
michael@0:                                   public nsIScriptObjectPrincipal,
michael@0:                                   public nsSupportsWeakReference,
michael@0:                                   public mozilla::dom::ipc::MessageManagerCallback
michael@0: {
michael@0: public:
michael@0:   nsInProcessTabChildGlobal(nsIDocShell* aShell, nsIContent* aOwner,
michael@0:                             nsFrameMessageManager* aChrome);
michael@0:   virtual ~nsInProcessTabChildGlobal();
michael@0:   NS_DECL_ISUPPORTS_INHERITED
michael@0:   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(nsInProcessTabChildGlobal,
michael@0:                                            mozilla::DOMEventTargetHelper)
michael@0:   NS_FORWARD_SAFE_NSIMESSAGELISTENERMANAGER(mMessageManager)
michael@0:   NS_FORWARD_SAFE_NSIMESSAGESENDER(mMessageManager)
michael@0:   NS_IMETHOD SendSyncMessage(const nsAString& aMessageName,
michael@0:                              JS::Handle<JS::Value> aObject,
michael@0:                              JS::Handle<JS::Value> aRemote,
michael@0:                              nsIPrincipal* aPrincipal,
michael@0:                              JSContext* aCx,
michael@0:                              uint8_t aArgc,
michael@0:                              JS::MutableHandle<JS::Value> aRetval)
michael@0:   {
michael@0:     return mMessageManager
michael@0:       ? mMessageManager->SendSyncMessage(aMessageName, aObject, aRemote,
michael@0:                                          aPrincipal, aCx, aArgc, aRetval)
michael@0:       : NS_ERROR_NULL_POINTER;
michael@0:   }
michael@0:   NS_IMETHOD SendRpcMessage(const nsAString& aMessageName,
michael@0:                             JS::Handle<JS::Value> aObject,
michael@0:                             JS::Handle<JS::Value> aRemote,
michael@0:                             nsIPrincipal* aPrincipal,
michael@0:                             JSContext* aCx,
michael@0:                             uint8_t aArgc,
michael@0:                             JS::MutableHandle<JS::Value> aRetval)
michael@0:   {
michael@0:     return mMessageManager
michael@0:       ? mMessageManager->SendRpcMessage(aMessageName, aObject, aRemote,
michael@0:                                         aPrincipal, aCx, aArgc, aRetval)
michael@0:       : NS_ERROR_NULL_POINTER;
michael@0:   }
michael@0:   NS_IMETHOD GetContent(nsIDOMWindow** aContent) MOZ_OVERRIDE;
michael@0:   NS_IMETHOD GetDocShell(nsIDocShell** aDocShell) MOZ_OVERRIDE;
michael@0:   NS_IMETHOD Dump(const nsAString& aStr) MOZ_OVERRIDE
michael@0:   {
michael@0:     return mMessageManager ? mMessageManager->Dump(aStr) : NS_OK;
michael@0:   }
michael@0:   NS_IMETHOD PrivateNoteIntentionalCrash() MOZ_OVERRIDE;
michael@0:   NS_IMETHOD Btoa(const nsAString& aBinaryData,
michael@0:                   nsAString& aAsciiBase64String) MOZ_OVERRIDE;
michael@0:   NS_IMETHOD Atob(const nsAString& aAsciiString,
michael@0:                   nsAString& aBinaryData) MOZ_OVERRIDE;
michael@0: 
michael@0:   NS_DECL_NSIINPROCESSCONTENTFRAMEMESSAGEMANAGER
michael@0: 
michael@0:   /**
michael@0:    * MessageManagerCallback methods that we override.
michael@0:    */
michael@0:   virtual bool DoSendBlockingMessage(JSContext* aCx,
michael@0:                                       const nsAString& aMessage,
michael@0:                                       const mozilla::dom::StructuredCloneData& aData,
michael@0:                                       JS::Handle<JSObject *> aCpows,
michael@0:                                       nsIPrincipal* aPrincipal,
michael@0:                                       InfallibleTArray<nsString>* aJSONRetVal,
michael@0:                                       bool aIsSync) MOZ_OVERRIDE;
michael@0:   virtual bool DoSendAsyncMessage(JSContext* aCx,
michael@0:                                   const nsAString& aMessage,
michael@0:                                   const mozilla::dom::StructuredCloneData& aData,
michael@0:                                   JS::Handle<JSObject *> aCpows,
michael@0:                                   nsIPrincipal* aPrincipal) MOZ_OVERRIDE;
michael@0: 
michael@0:   virtual nsresult PreHandleEvent(
michael@0:                      mozilla::EventChainPreVisitor& aVisitor) MOZ_OVERRIDE;
michael@0:   NS_IMETHOD AddEventListener(const nsAString& aType,
michael@0:                               nsIDOMEventListener* aListener,
michael@0:                               bool aUseCapture)
michael@0:   {
michael@0:     // By default add listeners only for trusted events!
michael@0:     return mozilla::DOMEventTargetHelper::AddEventListener(aType, aListener,
michael@0:                                                            aUseCapture, false,
michael@0:                                                            2);
michael@0:   }
michael@0:   NS_IMETHOD AddEventListener(const nsAString& aType,
michael@0:                               nsIDOMEventListener* aListener,
michael@0:                               bool aUseCapture, bool aWantsUntrusted,
michael@0:                               uint8_t optional_argc) MOZ_OVERRIDE
michael@0:   {
michael@0:     return mozilla::DOMEventTargetHelper::AddEventListener(aType, aListener,
michael@0:                                                            aUseCapture,
michael@0:                                                            aWantsUntrusted,
michael@0:                                                            optional_argc);
michael@0:   }
michael@0:   using mozilla::DOMEventTargetHelper::AddEventListener;
michael@0: 
michael@0:   virtual JSContext* GetJSContextForEventHandlers() MOZ_OVERRIDE { return nsContentUtils::GetSafeJSContext(); }
michael@0:   virtual nsIPrincipal* GetPrincipal() MOZ_OVERRIDE { return mPrincipal; }
michael@0:   void LoadFrameScript(const nsAString& aURL, bool aRunInGlobalScope);
michael@0:   void Disconnect();
michael@0:   void SendMessageToParent(const nsString& aMessage, bool aSync,
michael@0:                            const nsString& aJSON,
michael@0:                            nsTArray<nsString>* aJSONRetVal);
michael@0:   nsFrameMessageManager* GetInnerManager()
michael@0:   {
michael@0:     return static_cast<nsFrameMessageManager*>(mMessageManager.get());
michael@0:   }
michael@0: 
michael@0:   void SetOwner(nsIContent* aOwner) { mOwner = aOwner; }
michael@0:   nsFrameMessageManager* GetChromeMessageManager()
michael@0:   {
michael@0:     return mChromeMessageManager;
michael@0:   }
michael@0:   void SetChromeMessageManager(nsFrameMessageManager* aParent)
michael@0:   {
michael@0:     mChromeMessageManager = aParent;
michael@0:   }
michael@0: 
michael@0:   void DelayedDisconnect();
michael@0: 
michael@0:   virtual JSObject* GetGlobalJSObject() MOZ_OVERRIDE {
michael@0:     if (!mGlobal) {
michael@0:       return nullptr;
michael@0:     }
michael@0: 
michael@0:     return mGlobal->GetJSObject();
michael@0:   }
michael@0: protected:
michael@0:   nsresult Init();
michael@0:   nsresult InitTabChildGlobal();
michael@0:   nsCOMPtr<nsIContentFrameMessageManager> mMessageManager;
michael@0:   nsCOMPtr<nsIDocShell> mDocShell;
michael@0:   bool mInitialized;
michael@0:   bool mLoadingScript;
michael@0: 
michael@0:   // Is this the message manager for an in-process <iframe mozbrowser> or
michael@0:   // <iframe mozapp>?  This affects where events get sent, so it affects
michael@0:   // PreHandleEvent.
michael@0:   bool mIsBrowserOrAppFrame;
michael@0: public:
michael@0:   nsIContent* mOwner;
michael@0:   nsFrameMessageManager* mChromeMessageManager;
michael@0:   nsTArray<nsCOMPtr<nsIRunnable> > mASyncMessages;
michael@0: };
michael@0: 
michael@0: #endif