gecko-dev/dom/tv/TVChannel.cpp

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5.2 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/TVServiceCallbacks.h"
#include "mozilla/dom/TVServiceFactory.h"
#include "mozilla/dom/TVSource.h"
#include "mozilla/dom/TVTuner.h"
#include "mozilla/dom/TVUtils.h"
#include "nsITVService.h"
#include "nsServiceManagerUtils.h"
#include "TVChannel.h"
namespace mozilla {
namespace dom {
NS_IMPL_CYCLE_COLLECTION_INHERITED(TVChannel, DOMEventTargetHelper,
mTVService, mSource)
NS_IMPL_ADDREF_INHERITED(TVChannel, DOMEventTargetHelper)
NS_IMPL_RELEASE_INHERITED(TVChannel, DOMEventTargetHelper)
NS_INTERFACE_MAP_BEGIN_CYCLE_COLLECTION_INHERITED(TVChannel)
NS_INTERFACE_MAP_END_INHERITING(DOMEventTargetHelper)
TVChannel::TVChannel(nsPIDOMWindowInner* aWindow,
TVSource* aSource)
: DOMEventTargetHelper(aWindow)
, mSource(aSource)
{
MOZ_ASSERT(mSource);
}
TVChannel::~TVChannel()
{
}
/* static */ already_AddRefed<TVChannel>
TVChannel::Create(nsPIDOMWindowInner* aWindow,
TVSource* aSource,
nsITVChannelData* aData)
{
RefPtr<TVChannel> channel = new TVChannel(aWindow, aSource);
return (channel->Init(aData)) ? channel.forget() : nullptr;
}
bool
TVChannel::Init(nsITVChannelData* aData)
{
NS_ENSURE_TRUE(aData, false);
nsString channelType;
aData->GetType(channelType);
mType = ToTVChannelType(channelType);
if (NS_WARN_IF(mType == TVChannelType::EndGuard_)) {
return false;
}
aData->GetNetworkId(mNetworkId);
aData->GetTransportStreamId(mTransportStreamId);
aData->GetServiceId(mServiceId);
aData->GetName(mName);
aData->GetNumber(mNumber);
aData->GetIsEmergency(&mIsEmergency);
aData->GetIsFree(&mIsFree);
mTVService = TVServiceFactory::AutoCreateTVService();
NS_ENSURE_TRUE(mTVService, false);
return true;
}
/* virtual */ JSObject*
TVChannel::WrapObject(JSContext* aCx, JS::Handle<JSObject*> aGivenProto)
{
return TVChannelBinding::Wrap(aCx, this, aGivenProto);
}
nsresult
TVChannel::DispatchTVEvent(nsIDOMEvent* aEvent)
{
return DispatchTrustedEvent(aEvent);
}
already_AddRefed<Promise>
TVChannel::GetPrograms(const TVGetProgramsOptions& aOptions, ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
MOZ_ASSERT(global);
RefPtr<Promise> promise = Promise::Create(global, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return nullptr;
}
RefPtr<TVTuner> tuner = mSource->Tuner();
nsString tunerId;
tuner->GetId(tunerId);
uint64_t startTime = aOptions.mStartTime.WasPassed() ?
aOptions.mStartTime.Value() :
PR_Now();
uint64_t endTime = aOptions.mDuration.WasPassed() ?
(startTime + aOptions.mDuration.Value()) :
std::numeric_limits<uint64_t>::max();
nsCOMPtr<nsITVServiceCallback> callback =
new TVServiceProgramGetterCallback(this, promise, false);
nsresult rv =
mTVService->GetPrograms(tunerId,
ToTVSourceTypeStr(mSource->Type()),
mNumber,
startTime,
endTime,
callback);
if (NS_WARN_IF(NS_FAILED(rv))) {
promise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
}
return promise.forget();
}
void
TVChannel::GetNetworkId(nsAString& aNetworkId) const
{
aNetworkId = mNetworkId;
}
void
TVChannel::GetTransportStreamId(nsAString& aTransportStreamId) const
{
aTransportStreamId = mTransportStreamId;
}
void
TVChannel::GetServiceId(nsAString& aServiceId) const
{
aServiceId = mServiceId;
}
already_AddRefed<TVSource>
TVChannel::Source() const
{
RefPtr<TVSource> source = mSource;
return source.forget();
}
TVChannelType
TVChannel::Type() const
{
return mType;
}
void
TVChannel::GetName(nsAString& aName) const
{
aName = mName;
}
void
TVChannel::GetNumber(nsAString& aNumber) const
{
aNumber = mNumber;
}
bool
TVChannel::IsEmergency() const
{
return mIsEmergency;
}
bool
TVChannel::IsFree() const
{
return mIsFree;
}
already_AddRefed<Promise>
TVChannel::GetCurrentProgram(ErrorResult& aRv)
{
nsCOMPtr<nsIGlobalObject> global = do_QueryInterface(GetOwner());
MOZ_ASSERT(global);
RefPtr<Promise> promise = Promise::Create(global, aRv);
if (aRv.Failed()) {
return nullptr;
}
RefPtr<TVTuner> tuner = mSource->Tuner();
nsString tunerId;
tuner->GetId(tunerId);
// Get only one program from now on.
nsCOMPtr<nsITVServiceCallback> callback =
new TVServiceProgramGetterCallback(this, promise, true);
nsresult rv =
mTVService->GetPrograms(tunerId,
ToTVSourceTypeStr(mSource->Type()),
mNumber,
PR_Now(),
std::numeric_limits<uint64_t>::max(),
callback);
if (NS_WARN_IF(NS_FAILED(rv))) {
promise->MaybeReject(NS_ERROR_DOM_ABORT_ERR);
}
return promise.forget();
}
} // namespace dom
} // namespace mozilla