Line data    Source code

       1             : /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
       2             : /* vim:set ts=2 sw=2 sts=2 et cindent: */
       3             : /* This Source Code Form is subject to the terms of the Mozilla Public
       4             :  * License, v. 2.0. If a copy of the MPL was not distributed with this
       5             :  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
       6             : 
       7             : #ifndef mozilla_dom_PresentationAvailability_h
       8             : #define mozilla_dom_PresentationAvailability_h
       9             : 
      10             : #include "mozilla/DOMEventTargetHelper.h"
      11             : #include "nsIPresentationListener.h"
      12             : #include "nsTArray.h"
      13             : 
      14             : namespace mozilla {
      15             : namespace dom {
      16             : 
      17             : class Promise;
      18             : 
      19             : class PresentationAvailability final : public DOMEventTargetHelper
      20             :                                      , public nsIPresentationAvailabilityListener
      21             :                                      , public SupportsWeakPtr<PresentationAvailability>
      22             : {
      23             : public:
      24             :   NS_DECL_ISUPPORTS_INHERITED
      25           0 :   NS_DECL_CYCLE_COLLECTION_CLASS_INHERITED(PresentationAvailability,
      26             :                                            DOMEventTargetHelper)
      27             :   NS_DECL_NSIPRESENTATIONAVAILABILITYLISTENER
      28           0 :   MOZ_DECLARE_WEAKREFERENCE_TYPENAME(PresentationAvailability)
      29             : 
      30             :   static already_AddRefed<PresentationAvailability>
      31             :   Create(nsPIDOMWindowInner* aWindow,
      32             :          const nsTArray<nsString>& aUrls,
      33             :          RefPtr<Promise>& aPromise);
      34             : 
      35             :   virtual void DisconnectFromOwner() override;
      36             : 
      37             :   virtual JSObject* WrapObject(JSContext* aCx,
      38             :                                JS::Handle<JSObject*> aGivenProto) override;
      39             : 
      40             :   bool Equals(const uint64_t aWindowID, const nsTArray<nsString>& aUrls) const;
      41             : 
      42             :   bool IsCachedValueReady();
      43             : 
      44             :   void EnqueuePromise(RefPtr<Promise>& aPromise);
      45             : 
      46             :   // WebIDL (public APIs)
      47             :   bool Value() const;
      48             : 
      49           0 :   IMPL_EVENT_HANDLER(change);
      50             : 
      51             : private:
      52             :   explicit PresentationAvailability(nsPIDOMWindowInner* aWindow,
      53             :                                     const nsTArray<nsString>& aUrls);
      54             : 
      55             :   virtual ~PresentationAvailability();
      56             : 
      57             :   bool Init(RefPtr<Promise>& aPromise);
      58             : 
      59             :   void Shutdown();
      60             : 
      61             :   void UpdateAvailabilityAndDispatchEvent(bool aIsAvailable);
      62             : 
      63             :   bool mIsAvailable;
      64             : 
      65             :   nsTArray<RefPtr<Promise>> mPromises;
      66             : 
      67             :   nsTArray<nsString> mUrls;
      68             :   nsTArray<bool> mAvailabilityOfUrl;
      69             : };
      70             : 
      71             : } // namespace dom
      72             : } // namespace mozilla
      73             : 
      74             : #endif // mozilla_dom_PresentationAvailability_h