bool
ScreenManagerParent::RecvScreenForBrowser(const TabId& aTabId,
ScreenDetails* aRetVal,
bool* aSuccess)
{
*aSuccess = false;
#ifdef MOZ_VALGRIND
// Zero this so that Valgrind doesn't complain when we send it to another
// process.
memset(aRetVal, 0, sizeof(ScreenDetails));
#endif
// Find the mWidget associated with the tabparent, and then return
// the nsIScreen it's on.
ContentParent* cp = static_cast<ContentParent*>(this->Manager());
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
nsRefPtr<TabParent> tabParent =
cpm->GetTopLevelTabParentByProcessAndTabId(cp->ChildID(), aTabId);
if(!tabParent){
return false;
}
nsCOMPtr<nsIWidget> widget = tabParent->GetWidget();
nsCOMPtr<nsIScreen> screen;
if (widget) {
if (widget->GetNativeData(NS_NATIVE_WINDOW)) {
mScreenMgr->ScreenForNativeWidget(widget->GetNativeData(NS_NATIVE_WINDOW),
getter_AddRefs(screen));
}
} else {
nsresult rv = mScreenMgr->GetPrimaryScreen(getter_AddRefs(screen));
if (NS_WARN_IF(NS_FAILED(rv))) {
return true;
}
}
NS_ENSURE_TRUE(screen, true);
ScreenDetails details;
if (!ExtractScreenDetails(screen, details)) {
return true;
}
*aRetVal = details;
*aSuccess = true;
return true;
}
nsresult
PresentationRequestParent::DoRequest(const StartSessionRequest& aRequest)
{
MOZ_ASSERT(mService);
mNeedRegisterBuilder = true;
mSessionId = aRequest.sessionId();
nsCOMPtr<nsIDOMEventTarget> eventTarget;
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
RefPtr<TabParent> tp =
cpm->GetTopLevelTabParentByProcessAndTabId(mChildId, aRequest.tabId());
if (tp) {
eventTarget = do_QueryInterface(tp->GetOwnerElement());
}
return mService->StartSession(aRequest.urls(), aRequest.sessionId(),
aRequest.origin(), aRequest.deviceId(),
aRequest.windowId(), eventTarget, this);
}
nsresult
PresentationRequestParent::DoRequest(const StartSessionRequest& aRequest)
{
MOZ_ASSERT(mService);
mSessionId = aRequest.sessionId();
nsCOMPtr<nsIDOMEventTarget> eventTarget;
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
RefPtr<TabParent> tp =
cpm->GetTopLevelTabParentByProcessAndTabId(mChildId, aRequest.tabId());
if (tp) {
eventTarget = do_QueryInterface(tp->GetOwnerElement());
}
RefPtr<PresentationParent> parent = static_cast<PresentationParent*>(Manager());
nsCOMPtr<nsIPresentationTransportBuilderConstructor> constructor =
new PresentationTransportBuilderConstructorIPC(parent);
return mService->StartSession(aRequest.urls(), aRequest.sessionId(),
aRequest.origin(), aRequest.deviceId(),
aRequest.windowId(), eventTarget,
aRequest.principal(), this, constructor);
}