176 lines
4.0 KiB
C++
176 lines
4.0 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#ifndef mozilla_dom_DesktopNotification_h
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#define mozilla_dom_DesktopNotification_h
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#include "nsIPrincipal.h"
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#include "nsIAlertsService.h"
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#include "nsIContentPermissionPrompt.h"
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#include "nsIObserver.h"
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#include "nsString.h"
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#include "nsWeakPtr.h"
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#include "nsCycleCollectionParticipant.h"
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#include "nsIDOMWindow.h"
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#include "nsIScriptObjectPrincipal.h"
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#include "nsIDOMEvent.h"
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#include "mozilla/Attributes.h"
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#include "mozilla/DOMEventTargetHelper.h"
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#include "mozilla/ErrorResult.h"
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#include "nsWrapperCache.h"
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namespace mozilla {
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namespace dom {
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class AlertServiceObserver;
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class DesktopNotification;
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/*
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* DesktopNotificationCenter
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* Object hangs off of the navigator object and hands out DesktopNotification objects
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*/
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class DesktopNotificationCenter final : public nsISupports,
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public nsWrapperCache
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{
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public:
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NS_DECL_CYCLE_COLLECTING_ISUPPORTS
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NS_DECL_CYCLE_COLLECTION_SCRIPT_HOLDER_CLASS(DesktopNotificationCenter)
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explicit DesktopNotificationCenter(nsPIDOMWindowInner* aWindow)
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{
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MOZ_ASSERT(aWindow);
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mOwner = aWindow;
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nsCOMPtr<nsIScriptObjectPrincipal> sop = do_QueryInterface(aWindow);
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MOZ_ASSERT(sop);
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mPrincipal = sop->GetPrincipal();
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MOZ_ASSERT(mPrincipal);
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}
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void Shutdown() {
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mOwner = nullptr;
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}
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nsPIDOMWindowInner* GetParentObject() const
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{
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return mOwner;
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}
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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already_AddRefed<DesktopNotification>
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CreateNotification(const nsAString& title,
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const nsAString& description,
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const nsAString& iconURL);
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private:
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virtual ~DesktopNotificationCenter()
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{
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}
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nsCOMPtr<nsPIDOMWindowInner> mOwner;
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nsCOMPtr<nsIPrincipal> mPrincipal;
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};
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class DesktopNotificationRequest;
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class DesktopNotification final : public DOMEventTargetHelper
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{
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friend class DesktopNotificationRequest;
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public:
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DesktopNotification(const nsAString& aTitle,
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const nsAString& aDescription,
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const nsAString& aIconURL,
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nsPIDOMWindowInner* aWindow,
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nsIPrincipal* principal);
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virtual ~DesktopNotification();
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void Init();
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/*
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* PostDesktopNotification
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* Uses alert service to display a notification
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*/
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nsresult PostDesktopNotification();
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nsresult SetAllow(bool aAllow);
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/*
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* Creates and dispatches a dom event of type aName
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*/
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void DispatchNotificationEvent(const nsString& aName);
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void HandleAlertServiceNotification(const char *aTopic);
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// WebIDL
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nsPIDOMWindowInner* GetParentObject() const
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{
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return GetOwner();
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}
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virtual JSObject* WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto) override;
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void Show(ErrorResult& aRv);
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IMPL_EVENT_HANDLER(click)
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IMPL_EVENT_HANDLER(close)
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protected:
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nsString mTitle;
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nsString mDescription;
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nsString mIconURL;
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RefPtr<AlertServiceObserver> mObserver;
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nsCOMPtr<nsIPrincipal> mPrincipal;
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bool mAllow;
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bool mShowHasBeenCalled;
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static uint32_t sCount;
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};
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class AlertServiceObserver: public nsIObserver
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{
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public:
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NS_DECL_ISUPPORTS
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explicit AlertServiceObserver(DesktopNotification* notification)
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: mNotification(notification) {}
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void Disconnect() { mNotification = nullptr; }
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NS_IMETHOD
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Observe(nsISupports* aSubject,
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const char* aTopic,
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const char16_t* aData) override
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{
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// forward to parent
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if (mNotification) {
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mNotification->HandleAlertServiceNotification(aTopic);
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}
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return NS_OK;
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};
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private:
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virtual ~AlertServiceObserver() {}
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DesktopNotification* mNotification;
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};
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} // namespace dom
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} // namespace mozilla
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#endif /* mozilla_dom_DesktopNotification_h */
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