diff options
Diffstat (limited to 'dom/presentation/PresentationAvailability.cpp')
| -rw-r--r-- | dom/presentation/PresentationAvailability.cpp | 206 |
1 files changed, 0 insertions, 206 deletions
diff --git a/dom/presentation/PresentationAvailability.cpp b/dom/presentation/PresentationAvailability.cpp deleted file mode 100644 index 93f27dfbf..000000000 --- a/dom/presentation/PresentationAvailability.cpp +++ /dev/null @@ -1,206 +0,0 @@ -/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ -/* vim:set ts=2 sw=2 sts=2 et cindent: */ -/* 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/. */ - -#include "PresentationAvailability.h" - -#include "mozilla/dom/PresentationAvailabilityBinding.h" -#include "mozilla/dom/Promise.h" -#include "mozilla/Unused.h" -#include "nsCycleCollectionParticipant.h" -#include "nsIPresentationDeviceManager.h" -#include "nsIPresentationService.h" -#include "nsServiceManagerUtils.h" -#include "PresentationLog.h" - -using namespace mozilla; -using namespace mozilla::dom; - -NS_IMPL_CYCLE_COLLECTION_CLASS(PresentationAvailability) - -NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(PresentationAvailability, DOMEventTargetHelper) - NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mPromises) -NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END - -NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(PresentationAvailability, DOMEventTargetHelper) - NS_IMPL_CYCLE_COLLECTION_UNLINK(mPromises); - tmp->Shutdown(); -NS_IMPL_CYCLE_COLLECTION_UNLINK_END - -NS_IMPL_ADDREF_INHERITED(PresentationAvailability, DOMEventTargetHelper) -NS_IMPL_RELEASE_INHERITED(PresentationAvailability, DOMEventTargetHelper) - -NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(PresentationAvailability) - NS_INTERFACE_MAP_ENTRY(nsIPresentationAvailabilityListener) -NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper) - -/* static */ already_AddRefed<PresentationAvailability> -PresentationAvailability::Create(nsPIDOMWindowInner* aWindow, - const nsTArray<nsString>& aUrls, - RefPtr<Promise>& aPromise) -{ - RefPtr<PresentationAvailability> availability = - new PresentationAvailability(aWindow, aUrls); - return NS_WARN_IF(!availability->Init(aPromise)) ? nullptr - : availability.forget(); -} - -PresentationAvailability::PresentationAvailability(nsPIDOMWindowInner* aWindow, - const nsTArray<nsString>& aUrls) - : DOMEventTargetHelper(aWindow) - , mIsAvailable(false) - , mUrls(aUrls) -{ - for (uint32_t i = 0; i < mUrls.Length(); ++i) { - mAvailabilityOfUrl.AppendElement(false); - } -} - -PresentationAvailability::~PresentationAvailability() -{ - Shutdown(); -} - -bool -PresentationAvailability::Init(RefPtr<Promise>& aPromise) -{ - nsCOMPtr<nsIPresentationService> service = - do_GetService(PRESENTATION_SERVICE_CONTRACTID); - if (NS_WARN_IF(!service)) { - return false; - } - - nsresult rv = service->RegisterAvailabilityListener(mUrls, this); - if (NS_WARN_IF(NS_FAILED(rv))) { - // If the user agent is unable to monitor available device, - // Resolve promise with |value| set to false. - mIsAvailable = false; - aPromise->MaybeResolve(this); - return true; - } - - EnqueuePromise(aPromise); - - AvailabilityCollection* collection = AvailabilityCollection::GetSingleton(); - if (collection) { - collection->Add(this); - } - - return true; -} - -void PresentationAvailability::Shutdown() -{ - AvailabilityCollection* collection = AvailabilityCollection::GetSingleton(); - if (collection ) { - collection->Remove(this); - } - - nsCOMPtr<nsIPresentationService> service = - do_GetService(PRESENTATION_SERVICE_CONTRACTID); - if (NS_WARN_IF(!service)) { - return; - } - - Unused << - NS_WARN_IF(NS_FAILED(service->UnregisterAvailabilityListener(mUrls, - this))); -} - -/* virtual */ void -PresentationAvailability::DisconnectFromOwner() -{ - Shutdown(); - DOMEventTargetHelper::DisconnectFromOwner(); -} - -/* virtual */ JSObject* -PresentationAvailability::WrapObject(JSContext* aCx, - JS::Handle<JSObject*> aGivenProto) -{ - return PresentationAvailabilityBinding::Wrap(aCx, this, aGivenProto); -} - -bool -PresentationAvailability::Equals(const uint64_t aWindowID, - const nsTArray<nsString>& aUrls) const -{ - if (GetOwner() && GetOwner()->WindowID() == aWindowID && - mUrls.Length() == aUrls.Length()) { - for (const auto& url : aUrls) { - if (!mUrls.Contains(url)) { - return false; - } - } - return true; - } - - return false; -} - -bool -PresentationAvailability::IsCachedValueReady() -{ - // All pending promises will be solved when cached value is ready and - // no promise should be enqueued afterward. - return mPromises.IsEmpty(); -} - -void -PresentationAvailability::EnqueuePromise(RefPtr<Promise>& aPromise) -{ - mPromises.AppendElement(aPromise); -} - -bool -PresentationAvailability::Value() const -{ - return mIsAvailable; -} - -NS_IMETHODIMP -PresentationAvailability::NotifyAvailableChange(const nsTArray<nsString>& aAvailabilityUrls, - bool aIsAvailable) -{ - bool available = false; - for (uint32_t i = 0; i < mUrls.Length(); ++i) { - if (aAvailabilityUrls.Contains(mUrls[i])) { - mAvailabilityOfUrl[i] = aIsAvailable; - } - available |= mAvailabilityOfUrl[i]; - } - - return NS_DispatchToCurrentThread(NewRunnableMethod - <bool>(this, - &PresentationAvailability::UpdateAvailabilityAndDispatchEvent, - available)); -} - -void -PresentationAvailability::UpdateAvailabilityAndDispatchEvent(bool aIsAvailable) -{ - PRES_DEBUG("%s\n", __func__); - bool isChanged = (aIsAvailable != mIsAvailable); - - mIsAvailable = aIsAvailable; - - if (!mPromises.IsEmpty()) { - // Use the first availability change notification to resolve promise. - do { - nsTArray<RefPtr<Promise>> promises = Move(mPromises); - for (auto& promise : promises) { - promise->MaybeResolve(this); - } - // more promises may have been added to mPromises, at least in theory - } while (!mPromises.IsEmpty()); - - return; - } - - if (isChanged) { - Unused << - NS_WARN_IF(NS_FAILED(DispatchTrustedEvent(NS_LITERAL_STRING("change")))); - } -} |