mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-05 08:35:26 +00:00
124 lines
3.1 KiB
C++
124 lines
3.1 KiB
C++
/* -*- 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/. */
|
|
|
|
#include "mozilla/dom/Promise.h"
|
|
#include "mozilla/dom/TVManagerBinding.h"
|
|
#include "mozilla/dom/TVServiceCallbacks.h"
|
|
#include "mozilla/dom/TVServiceFactory.h"
|
|
#include "mozilla/dom/TVTuner.h"
|
|
#include "nsITVService.h"
|
|
#include "nsServiceManagerUtils.h"
|
|
#include "TVManager.h"
|
|
|
|
namespace mozilla {
|
|
namespace dom {
|
|
|
|
NS_IMPL_CYCLE_COLLECTION_INHERITED(TVManager, DOMEventTargetHelper, mTVService,
|
|
mTuners, mPendingGetTunersPromises)
|
|
|
|
NS_IMPL_ADDREF_INHERITED(TVManager, DOMEventTargetHelper)
|
|
NS_IMPL_RELEASE_INHERITED(TVManager, DOMEventTargetHelper)
|
|
|
|
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(TVManager)
|
|
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
|
|
|
|
TVManager::TVManager(nsPIDOMWindow* aWindow)
|
|
: DOMEventTargetHelper(aWindow)
|
|
, mIsReady(false)
|
|
{
|
|
}
|
|
|
|
TVManager::~TVManager()
|
|
{
|
|
}
|
|
|
|
/* static */ already_AddRefed<TVManager>
|
|
TVManager::Create(nsPIDOMWindow* aWindow)
|
|
{
|
|
nsRefPtr<TVManager> manager = new TVManager(aWindow);
|
|
return (manager->Init()) ? manager.forget() : nullptr;
|
|
}
|
|
|
|
bool
|
|
TVManager::Init()
|
|
{
|
|
mTVService = TVServiceFactory::AutoCreateTVService();
|
|
NS_ENSURE_TRUE(mTVService, false);
|
|
|
|
nsCOMPtr<nsITVServiceCallback> callback = new TVServiceTunerGetterCallback(this);
|
|
nsresult rv = mTVService->GetTuners(callback);
|
|
NS_ENSURE_SUCCESS(rv, false);
|
|
|
|
return true;
|
|
}
|
|
|
|
/* virtual */ JSObject*
|
|
TVManager::WrapObject(JSContext* aCx)
|
|
{
|
|
return TVManagerBinding::Wrap(aCx, this);
|
|
}
|
|
|
|
nsresult
|
|
TVManager::SetTuners(const nsTArray<nsRefPtr<TVTuner>>& aTuners)
|
|
{
|
|
// Should be called only when TV Manager hasn't been ready yet.
|
|
if (mIsReady) {
|
|
return NS_ERROR_DOM_INVALID_STATE_ERR;
|
|
}
|
|
|
|
mTuners = aTuners;
|
|
mIsReady = true;
|
|
|
|
// Resolve pending promises.
|
|
uint32_t length = mPendingGetTunersPromises.Length();
|
|
for(uint32_t i = 0; i < length; i++) {
|
|
mPendingGetTunersPromises[i]->MaybeResolve(mTuners);
|
|
}
|
|
mPendingGetTunersPromises.Clear();
|
|
return NS_OK;
|
|
}
|
|
|
|
void
|
|
TVManager::RejectPendingGetTunersPromises(nsresult aRv)
|
|
{
|
|
// Reject pending promises.
|
|
uint32_t length = mPendingGetTunersPromises.Length();
|
|
for(uint32_t i = 0; i < length; i++) {
|
|
mPendingGetTunersPromises[i]->MaybeReject(aRv);
|
|
}
|
|
mPendingGetTunersPromises.Clear();
|
|
}
|
|
|
|
nsresult
|
|
TVManager::DispatchTVEvent(nsIDOMEvent* aEvent)
|
|
{
|
|
return DispatchTrustedEvent(aEvent);
|
|
}
|
|
|
|
already_AddRefed<Promise>
|
|
TVManager::GetTuners(ErrorResult& aRv)
|
|
{
|
|
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
|
|
MOZ_ASSERT(global);
|
|
|
|
nsRefPtr<Promise> promise = Promise::Create(global, aRv);
|
|
if (NS_WARN_IF(aRv.Failed())) {
|
|
return nullptr;
|
|
}
|
|
|
|
// Keep track of the promise when the manager hasn't been ready yet.
|
|
if (mIsReady) {
|
|
promise->MaybeResolve(mTuners);
|
|
} else {
|
|
mPendingGetTunersPromises.AppendElement(promise);
|
|
}
|
|
|
|
return promise.forget();
|
|
}
|
|
|
|
} // namespace dom
|
|
} // namespace mozilla
|