/* -*- 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 mozilla_dom_DesktopNotification_h #define mozilla_dom_DesktopNotification_h #include "nsIPrincipal.h" #include "nsIAlertsService.h" #include "nsIContentPermissionPrompt.h" #include "nsIObserver.h" #include "nsString.h" #include "nsWeakPtr.h" #include "nsCycleCollectionParticipant.h" #include "nsIDOMWindow.h" #include "nsIScriptObjectPrincipal.h" #include "nsIDOMEvent.h" #include "mozilla/Attributes.h" #include "mozilla/DOMEventTargetHelper.h" #include "mozilla/ErrorResult.h" #include "nsWrapperCache.h" namespace mozilla { namespace dom { class AlertServiceObserver; class DesktopNotification; /* * DesktopNotificationCenter * Object hangs off of the navigator object and hands out DesktopNotification objects */ class DesktopNotificationCenter final : public nsISupports, public nsWrapperCache { public: NS_DECL_CYCLE_COLLECTING_ISUPPORTS NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DesktopNotificationCenter) explicit DesktopNotificationCenter(nsPIDOMWindowInner* aWindow) { MOZ_ASSERT(aWindow); mOwner = aWindow; nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(aWindow); MOZ_ASSERT(sop); mPrincipal = sop->GetPrincipal(); MOZ_ASSERT(mPrincipal); } void Shutdown() { mOwner = nullptr; } nsPIDOMWindowInner* GetParentObject() const { return mOwner; } virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override; already_AddRefed<DesktopNotification> CreateNotification(const nsAString& title, const nsAString& description, const nsAString& iconURL); private: virtual ~DesktopNotificationCenter() { } nsCOMPtr<nsPIDOMWindowInner> mOwner; nsCOMPtr<nsIPrincipal> mPrincipal; }; class DesktopNotificationRequest; class DesktopNotification final : public DOMEventTargetHelper { friend class DesktopNotificationRequest; public: DesktopNotification(const nsAString& aTitle, const nsAString& aDescription, const nsAString& aIconURL, nsPIDOMWindowInner* aWindow, nsIPrincipal* principal); virtual ~DesktopNotification(); void Init(); /* * PostDesktopNotification * Uses alert service to display a notification */ nsresult PostDesktopNotification(); nsresult SetAllow(bool aAllow); /* * Creates and dispatches a dom event of type aName */ void DispatchNotificationEvent(const nsString& aName); void HandleAlertServiceNotification(const char *aTopic); // WebIDL nsPIDOMWindowInner* GetParentObject() const { return GetOwner(); } virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override; void Show(ErrorResult& aRv); IMPL_EVENT_HANDLER(click) IMPL_EVENT_HANDLER(close) protected: nsString mTitle; nsString mDescription; nsString mIconURL; RefPtr<AlertServiceObserver> mObserver; nsCOMPtr<nsIPrincipal> mPrincipal; bool mAllow; bool mShowHasBeenCalled; static uint32_t sCount; }; class AlertServiceObserver: public nsIObserver { public: NS_DECL_ISUPPORTS explicit AlertServiceObserver(DesktopNotification* notification) : mNotification(notification) {} void Disconnect() { mNotification = nullptr; } NS_IMETHOD Observe(nsISupports* aSubject, const char* aTopic, const char16_t* aData) override { // forward to parent if (mNotification) { #ifdef MOZ_B2G if (NS_FAILED(mNotification->CheckInnerWindowCorrectness())) return NS_ERROR_NOT_AVAILABLE; #endif mNotification->HandleAlertServiceNotification(aTopic); } return NS_OK; }; private: virtual ~AlertServiceObserver() {} DesktopNotification* mNotification; }; } // namespace dom } // namespace mozilla #endif /* mozilla_dom_DesktopNotification_h */