void
nsBrowserElement::InitBrowserElementAPI()
{
RefPtr<nsFrameLoader> frameLoader = GetFrameLoader();
NS_ENSURE_TRUE_VOID(frameLoader);
if (!frameLoader->OwnerIsMozBrowserFrame()) {
return;
}
if (!mBrowserElementAPI) {
mBrowserElementAPI = do_CreateInstance("@mozilla.org/dom/browser-element-api;1");
if (NS_WARN_IF(!mBrowserElementAPI)) {
return;
}
}
mBrowserElementAPI->SetFrameLoader(frameLoader);
}
void
nsBrowserElement::InitBrowserElementAPI()
{
bool isMozBrowserOrApp;
nsCOMPtr<nsIFrameLoader> frameLoader = GetFrameLoader();
NS_ENSURE_TRUE_VOID(frameLoader);
nsresult rv = frameLoader->GetOwnerIsMozBrowserOrAppFrame(&isMozBrowserOrApp);
NS_ENSURE_SUCCESS_VOID(rv);
rv = frameLoader->GetOwnerIsWidget(&mOwnerIsWidget);
NS_ENSURE_SUCCESS_VOID(rv);
if (!isMozBrowserOrApp) {
return;
}
if (!mBrowserElementAPI) {
mBrowserElementAPI = do_CreateInstance("@mozilla.org/dom/browser-element-api;1");
if (NS_WARN_IF(!mBrowserElementAPI)) {
return;
}
}
mBrowserElementAPI->SetFrameLoader(frameLoader);
}
void
nsBrowserElement::GetAllowedAudioChannels(
nsTArray<RefPtr<BrowserElementAudioChannel>>& aAudioChannels,
ErrorResult& aRv)
{
aAudioChannels.Clear();
// If empty, it means that this is the first call of this method.
if (mBrowserElementAudioChannels.IsEmpty()) {
nsCOMPtr<nsIFrameLoader> frameLoader = GetFrameLoader();
if (NS_WARN_IF(!frameLoader)) {
return;
}
bool isMozBrowserOrApp;
aRv = frameLoader->GetOwnerIsMozBrowserOrAppFrame(&isMozBrowserOrApp);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
if (!isMozBrowserOrApp) {
return;
}
nsCOMPtr<nsIDOMElement> frameElement;
aRv = frameLoader->GetOwnerElement(getter_AddRefs(frameElement));
if (NS_WARN_IF(aRv.Failed())) {
return;
}
MOZ_ASSERT(frameElement);
nsCOMPtr<nsIDOMDocument> doc;
aRv = frameElement->GetOwnerDocument(getter_AddRefs(doc));
if (NS_WARN_IF(aRv.Failed())) {
return;
}
MOZ_ASSERT(doc);
nsCOMPtr<mozIDOMWindowProxy> win;
aRv = doc->GetDefaultView(getter_AddRefs(win));
if (NS_WARN_IF(aRv.Failed())) {
return;
}
MOZ_ASSERT(win);
auto* window = nsPIDOMWindowOuter::From(win);
nsPIDOMWindowInner* innerWindow = window->GetCurrentInnerWindow();
nsCOMPtr<nsIMozBrowserFrame> mozBrowserFrame =
do_QueryInterface(frameElement);
if (NS_WARN_IF(!mozBrowserFrame)) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
nsAutoString manifestURL;
aRv = mozBrowserFrame->GetAppManifestURL(manifestURL);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
nsCOMPtr<mozIApplication> parentApp;
aRv = GetParentApplication(getter_AddRefs(parentApp));
if (NS_WARN_IF(aRv.Failed())) {
return;
}
MOZ_LOG(AudioChannelService::GetAudioChannelLog(), LogLevel::Debug,
("nsBrowserElement, GetAllowedAudioChannels, this = %p\n", this));
GenerateAllowedAudioChannels(innerWindow, frameLoader, mBrowserElementAPI,
manifestURL, parentApp,
mBrowserElementAudioChannels, aRv);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
}
aAudioChannels.AppendElements(mBrowserElementAudioChannels);
}
void
nsBrowserElement::GetAllowedAudioChannels(
nsTArray<nsRefPtr<BrowserElementAudioChannel>>& aAudioChannels,
ErrorResult& aRv)
{
aAudioChannels.Clear();
// If empty, it means that this is the first call of this method.
if (mBrowserElementAudioChannels.IsEmpty()) {
nsCOMPtr<nsIFrameLoader> frameLoader = GetFrameLoader();
if (NS_WARN_IF(!frameLoader)) {
return;
}
bool isBrowserOrApp;
aRv = frameLoader->GetOwnerIsBrowserOrAppFrame(&isBrowserOrApp);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
if (!isBrowserOrApp) {
return;
}
nsCOMPtr<nsIDOMElement> frameElement;
aRv = frameLoader->GetOwnerElement(getter_AddRefs(frameElement));
if (NS_WARN_IF(aRv.Failed())) {
return;
}
MOZ_ASSERT(frameElement);
nsCOMPtr<nsIDOMDocument> doc;
aRv = frameElement->GetOwnerDocument(getter_AddRefs(doc));
if (NS_WARN_IF(aRv.Failed())) {
return;
}
MOZ_ASSERT(doc);
nsCOMPtr<nsIDOMWindow> win;
aRv = doc->GetDefaultView(getter_AddRefs(win));
if (NS_WARN_IF(aRv.Failed())) {
return;
}
MOZ_ASSERT(win);
nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(win);
if (!window->IsInnerWindow()) {
window = window->GetCurrentInnerWindow();
}
nsCOMPtr<nsIMozBrowserFrame> mozBrowserFrame =
do_QueryInterface(frameElement);
if (NS_WARN_IF(!mozBrowserFrame)) {
aRv.Throw(NS_ERROR_FAILURE);
return;
}
nsAutoString manifestURL;
aRv = mozBrowserFrame->GetAppManifestURL(manifestURL);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
GenerateAllowedAudioChannels(window, frameLoader, mBrowserElementAPI,
manifestURL, mBrowserElementAudioChannels,
aRv);
if (NS_WARN_IF(aRv.Failed())) {
return;
}
}
aAudioChannels.AppendElements(mBrowserElementAudioChannels);
}
