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Diffstat (limited to 'dom/base/nsInProcessTabChildGlobal.h')
| -rw-r--r-- | dom/base/nsInProcessTabChildGlobal.h | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/dom/base/nsInProcessTabChildGlobal.h b/dom/base/nsInProcessTabChildGlobal.h new file mode 100644 index 000000000..e7dd9cb5a --- /dev/null +++ b/dom/base/nsInProcessTabChildGlobal.h @@ -0,0 +1,184 @@ +/* -*- 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 |