mirror of
https://github.com/classilla/tenfourfox.git
synced 2024-09-11 02:56:06 +00:00
417 lines
12 KiB
C++
417 lines
12 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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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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#include "mozilla/dom/Promise.h"
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#include "mozilla/dom/TVChannel.h"
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#include "mozilla/dom/TVCurrentChannelChangedEvent.h"
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#include "mozilla/dom/TVEITBroadcastedEvent.h"
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#include "mozilla/dom/TVListeners.h"
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#include "mozilla/dom/TVScanningStateChangedEvent.h"
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#include "mozilla/dom/TVServiceCallbacks.h"
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#include "mozilla/dom/TVServiceFactory.h"
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#include "mozilla/dom/TVTuner.h"
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#include "mozilla/dom/TVUtils.h"
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#include "nsITVService.h"
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#include "nsServiceManagerUtils.h"
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#include "TVSource.h"
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namespace mozilla {
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namespace dom {
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NS_IMPL_CYCLE_COLLECTION_CLASS(TVSource)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_BEGIN_INHERITED(TVSource,
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DOMEventTargetHelper)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTVService)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mTuner)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE(mCurrentChannel)
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NS_IMPL_CYCLE_COLLECTION_TRAVERSE_END
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NS_IMPL_CYCLE_COLLECTION_UNLINK_BEGIN_INHERITED(TVSource,
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DOMEventTargetHelper)
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tmp->Shutdown();
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mTVService)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mTuner)
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NS_IMPL_CYCLE_COLLECTION_UNLINK(mCurrentChannel)
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NS_IMPL_CYCLE_COLLECTION_UNLINK_END
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NS_IMPL_ADDREF_INHERITED(TVSource, DOMEventTargetHelper)
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NS_IMPL_RELEASE_INHERITED(TVSource, DOMEventTargetHelper)
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NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(TVSource)
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NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
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TVSource::TVSource(nsPIDOMWindow* aWindow,
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TVSourceType aType,
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TVTuner* aTuner)
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: DOMEventTargetHelper(aWindow)
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, mTuner(aTuner)
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, mType(aType)
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, mIsScanning(false)
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{
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MOZ_ASSERT(mTuner);
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}
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TVSource::~TVSource()
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{
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Shutdown();
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}
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/* static */ already_AddRefed<TVSource>
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TVSource::Create(nsPIDOMWindow* aWindow,
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TVSourceType aType,
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TVTuner* aTuner)
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{
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RefPtr<TVSource> source = new TVSource(aWindow, aType, aTuner);
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return (source->Init()) ? source.forget() : nullptr;
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}
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bool
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TVSource::Init()
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{
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mTVService = TVServiceFactory::AutoCreateTVService();
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NS_ENSURE_TRUE(mTVService, false);
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nsCOMPtr<nsITVSourceListener> sourceListener;
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mTVService->GetSourceListener(getter_AddRefs(sourceListener));
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NS_ENSURE_TRUE(sourceListener, false);
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(static_cast<TVSourceListener*>(sourceListener.get()))->RegisterSource(this);
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return true;
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}
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void
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TVSource::Shutdown()
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{
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if (!mTVService) {
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return;
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}
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nsCOMPtr<nsITVSourceListener> sourceListener;
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mTVService->GetSourceListener(getter_AddRefs(sourceListener));
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if (!sourceListener) {
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return;
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}
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(static_cast<TVSourceListener*>(sourceListener.get()))->UnregisterSource(this);
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}
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/* virtual */ JSObject*
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TVSource::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
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{
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return TVSourceBinding::Wrap(aCx, this, aGivenProto);
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}
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nsresult
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TVSource::SetCurrentChannel(nsITVChannelData* aChannelData)
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{
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if (!aChannelData) {
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return NS_ERROR_INVALID_ARG;
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}
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nsString newChannelNumber;
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nsresult rv = aChannelData->GetNumber(newChannelNumber);
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if (NS_FAILED(rv)) {
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return rv;
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}
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if (newChannelNumber.IsEmpty()) {
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return NS_ERROR_INVALID_ARG;
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}
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if (mCurrentChannel) {
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nsString currentChannelNumber;
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mCurrentChannel->GetNumber(currentChannelNumber);
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if (newChannelNumber.Equals(currentChannelNumber)) {
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// No actual change.
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return NS_OK;
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}
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}
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mCurrentChannel = TVChannel::Create(GetOwner(), this, aChannelData);
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NS_ENSURE_TRUE(mCurrentChannel, NS_ERROR_DOM_ABORT_ERR);
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RefPtr<TVSource> currentSource = mTuner->GetCurrentSource();
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if (currentSource && mType == currentSource->Type()) {
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rv = mTuner->ReloadMediaStream();
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if (NS_WARN_IF(NS_FAILED(rv))) {
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return rv;
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}
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}
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return DispatchCurrentChannelChangedEvent(mCurrentChannel);
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}
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nsresult
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TVSource::UnsetCurrentChannel()
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{
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mCurrentChannel = nullptr;
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return DispatchCurrentChannelChangedEvent(mCurrentChannel);
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}
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void
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TVSource::SetIsScanning(bool aIsScanning)
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{
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mIsScanning = aIsScanning;
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}
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nsresult
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TVSource::DispatchTVEvent(nsIDOMEvent* aEvent)
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{
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return DispatchTrustedEvent(aEvent);
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}
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already_AddRefed<Promise>
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TVSource::GetChannels(ErrorResult& aRv)
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{
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
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MOZ_ASSERT(global);
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RefPtr<Promise> promise = Promise::Create(global, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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// The operation is prohibited when the source is scanning channels.
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if (mIsScanning) {
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promise->MaybeReject(NS_ERROR_DOM_INVALID_STATE_ERR);
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return promise.forget();
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}
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nsString tunerId;
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mTuner->GetId(tunerId);
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nsCOMPtr<nsITVServiceCallback> callback =
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new TVServiceChannelGetterCallback(this, promise);
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nsresult rv =
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mTVService->GetChannels(tunerId, ToTVSourceTypeStr(mType), callback);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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promise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
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}
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return promise.forget();
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}
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already_AddRefed<Promise>
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TVSource::SetCurrentChannel(const nsAString& aChannelNumber,
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ErrorResult& aRv)
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{
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
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MOZ_ASSERT(global);
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RefPtr<Promise> promise = Promise::Create(global, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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// The operation is prohibited when the source is scanning channels.
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if (mIsScanning) {
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promise->MaybeReject(NS_ERROR_DOM_INVALID_STATE_ERR);
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return promise.forget();
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}
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nsString tunerId;
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mTuner->GetId(tunerId);
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nsCOMPtr<nsITVServiceCallback> callback =
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new TVServiceChannelSetterCallback(this, promise, aChannelNumber);
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nsresult rv =
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mTVService->SetChannel(tunerId, ToTVSourceTypeStr(mType), aChannelNumber, callback);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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promise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
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}
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return promise.forget();
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}
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already_AddRefed<Promise>
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TVSource::StartScanning(const TVStartScanningOptions& aOptions,
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ErrorResult& aRv)
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{
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
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MOZ_ASSERT(global);
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RefPtr<Promise> promise = Promise::Create(global, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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nsString tunerId;
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mTuner->GetId(tunerId);
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bool isRescanned = aOptions.mIsRescanned.WasPassed() &&
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aOptions.mIsRescanned.Value();
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if (isRescanned) {
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nsresult rv = mTVService->ClearScannedChannelsCache();
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if (NS_WARN_IF(NS_FAILED(rv))) {
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promise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
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return promise.forget();
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}
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rv = DispatchScanningStateChangedEvent(TVScanningState::Cleared, nullptr);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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promise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
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return promise.forget();
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}
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}
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// |SetIsScanning(bool)| should be called once |notifySuccess()| of this
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// callback is invoked.
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nsCOMPtr<nsITVServiceCallback> callback =
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new TVServiceChannelScanCallback(this, promise, true);
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nsresult rv =
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mTVService->StartScanningChannels(tunerId, ToTVSourceTypeStr(mType), callback);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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promise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
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}
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return promise.forget();
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}
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already_AddRefed<Promise>
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TVSource::StopScanning(ErrorResult& aRv)
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{
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nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
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MOZ_ASSERT(global);
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RefPtr<Promise> promise = Promise::Create(global, aRv);
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if (NS_WARN_IF(aRv.Failed())) {
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return nullptr;
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}
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nsString tunerId;
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mTuner->GetId(tunerId);
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// |SetIsScanning(bool)| should be called once |notifySuccess()| of this
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// callback is invoked.
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nsCOMPtr<nsITVServiceCallback> callback =
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new TVServiceChannelScanCallback(this, promise, false);
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nsresult rv =
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mTVService->StopScanningChannels(tunerId, ToTVSourceTypeStr(mType), callback);
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if (NS_WARN_IF(NS_FAILED(rv))) {
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promise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
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}
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return promise.forget();
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}
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already_AddRefed<TVTuner>
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TVSource::Tuner() const
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{
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RefPtr<TVTuner> tuner = mTuner;
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return tuner.forget();
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}
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TVSourceType
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TVSource::Type() const
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{
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return mType;
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}
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bool
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TVSource::IsScanning() const
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{
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return mIsScanning;
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}
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already_AddRefed<TVChannel>
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TVSource::GetCurrentChannel() const
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{
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RefPtr<TVChannel> currentChannel = mCurrentChannel;
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return currentChannel.forget();
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}
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nsresult
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TVSource::NotifyChannelScanned(nsITVChannelData* aChannelData)
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{
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RefPtr<TVChannel> channel = TVChannel::Create(GetOwner(), this, aChannelData);
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NS_ENSURE_TRUE(channel, NS_ERROR_DOM_ABORT_ERR);
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return DispatchScanningStateChangedEvent(TVScanningState::Scanned, channel);
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}
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nsresult
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TVSource::NotifyChannelScanComplete()
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{
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SetIsScanning(false);
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return DispatchScanningStateChangedEvent(TVScanningState::Completed, nullptr);
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}
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nsresult
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TVSource::NotifyChannelScanStopped()
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{
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SetIsScanning(false);
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return DispatchScanningStateChangedEvent(TVScanningState::Stopped, nullptr);
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}
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nsresult
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TVSource::NotifyEITBroadcasted(nsITVChannelData* aChannelData,
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nsITVProgramData** aProgramDataList,
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uint32_t aCount)
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{
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RefPtr<TVChannel> channel = TVChannel::Create(GetOwner(), this, aChannelData);
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Sequence<OwningNonNull<TVProgram>> programs;
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for (uint32_t i = 0; i < aCount; i++) {
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RefPtr<TVProgram> program =
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new TVProgram(GetOwner(), channel, aProgramDataList[i]);
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*programs.AppendElement(fallible) = program;
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}
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return DispatchEITBroadcastedEvent(programs);
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}
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nsresult
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TVSource::DispatchCurrentChannelChangedEvent(TVChannel* aChannel)
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{
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TVCurrentChannelChangedEventInit init;
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init.mChannel = aChannel;
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nsCOMPtr<nsIDOMEvent> event =
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TVCurrentChannelChangedEvent::Constructor(this,
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NS_LITERAL_STRING("currentchannelchanged"),
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init);
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nsCOMPtr<nsIRunnable> runnable =
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NS_NewRunnableMethodWithArg<nsCOMPtr<nsIDOMEvent>>(this,
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&TVSource::DispatchTVEvent,
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event);
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return NS_DispatchToCurrentThread(runnable);
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}
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nsresult
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TVSource::DispatchScanningStateChangedEvent(TVScanningState aState,
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TVChannel* aChannel)
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{
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TVScanningStateChangedEventInit init;
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init.mState = aState;
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init.mChannel = aChannel;
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nsCOMPtr<nsIDOMEvent> event =
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TVScanningStateChangedEvent::Constructor(this,
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NS_LITERAL_STRING("scanningstatechanged"),
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init);
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nsCOMPtr<nsIRunnable> runnable =
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NS_NewRunnableMethodWithArg<nsCOMPtr<nsIDOMEvent>>(this,
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&TVSource::DispatchTVEvent,
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event);
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return NS_DispatchToCurrentThread(runnable);
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}
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nsresult
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TVSource::DispatchEITBroadcastedEvent(const Sequence<OwningNonNull<TVProgram>>& aPrograms)
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{
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TVEITBroadcastedEventInit init;
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init.mPrograms = aPrograms;
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nsCOMPtr<nsIDOMEvent> event =
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TVEITBroadcastedEvent::Constructor(this,
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NS_LITERAL_STRING("eitbroadcasted"),
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init);
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nsCOMPtr<nsIRunnable> runnable =
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NS_NewRunnableMethodWithArg<nsCOMPtr<nsIDOMEvent>>(this,
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&TVSource::DispatchTVEvent,
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event);
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return NS_DispatchToCurrentThread(runnable);
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}
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} // namespace dom
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} // namespace mozilla
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