PBrowserParent*
nsIContentParent::AllocPBrowserParent(const TabId& aTabId,
const IPCTabContext& aContext,
const uint32_t& aChromeFlags,
const ContentParentId& aCpId,
const bool& aIsForApp,
const bool& aIsForBrowser)
{
Unused << aCpId;
Unused << aIsForApp;
Unused << aIsForBrowser;
if (!CanOpenBrowser(aContext)) {
return nullptr;
}
uint32_t chromeFlags = aChromeFlags;
if (aContext.type() == IPCTabContext::TPopupIPCTabContext) {
// CanOpenBrowser has ensured that the IPCTabContext is of
// type PopupIPCTabContext, and that the opener TabParent is
// reachable.
const PopupIPCTabContext& popupContext = aContext.get_PopupIPCTabContext();
auto opener = TabParent::GetFrom(popupContext.opener().get_PBrowserParent());
// We must ensure that the private browsing and remoteness flags
// match those of the opener.
nsCOMPtr<nsILoadContext> loadContext = opener->GetLoadContext();
if (!loadContext) {
return nullptr;
}
bool isPrivate;
loadContext->GetUsePrivateBrowsing(&isPrivate);
if (isPrivate) {
chromeFlags |= nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW;
}
}
// And because we're allocating a remote browser, of course the
// window is remote.
chromeFlags |= nsIWebBrowserChrome::CHROME_REMOTE_WINDOW;
MaybeInvalidTabContext tc(aContext);
MOZ_ASSERT(tc.IsValid());
TabParent* parent = new TabParent(this, aTabId, tc.GetTabContext(), chromeFlags);
// We release this ref in DeallocPBrowserParent()
NS_ADDREF(parent);
return parent;
}
PBrowserParent*
nsIContentParent::AllocPBrowserParent(const IPCTabContext& aContext,
const uint32_t& aChromeFlags,
const uint64_t& aId,
const bool& aIsForApp,
const bool& aIsForBrowser)
{
unused << aChromeFlags;
unused << aId;
unused << aIsForApp;
unused << aIsForBrowser;
if (!CanOpenBrowser(aContext)) {
return nullptr;
}
MaybeInvalidTabContext tc(aContext);
MOZ_ASSERT(tc.IsValid());
TabParent* parent = new TabParent(this, tc.GetTabContext(), aChromeFlags);
// We release this ref in DeallocPBrowserParent()
NS_ADDREF(parent);
return parent;
}
PBrowserParent*
nsIContentParent::AllocPBrowserParent(const TabId& aTabId,
const TabId& aSameTabGroupAs,
const IPCTabContext& aContext,
const uint32_t& aChromeFlags,
const ContentParentId& aCpId,
const bool& aIsForBrowser)
{
MOZ_ASSERT(!aSameTabGroupAs);
Unused << aCpId;
Unused << aIsForBrowser;
if (!CanOpenBrowser(aContext)) {
return nullptr;
}
uint32_t chromeFlags = aChromeFlags;
TabId openerTabId(0);
ContentParentId openerCpId(0);
if (aContext.type() == IPCTabContext::TPopupIPCTabContext) {
// CanOpenBrowser has ensured that the IPCTabContext is of
// type PopupIPCTabContext, and that the opener TabParent is
// reachable.
const PopupIPCTabContext& popupContext = aContext.get_PopupIPCTabContext();
auto opener = TabParent::GetFrom(popupContext.opener().get_PBrowserParent());
openerTabId = opener->GetTabId();
openerCpId = opener->Manager()->ChildID();
// We must ensure that the private browsing and remoteness flags
// match those of the opener.
nsCOMPtr<nsILoadContext> loadContext = opener->GetLoadContext();
if (!loadContext) {
return nullptr;
}
bool isPrivate;
loadContext->GetUsePrivateBrowsing(&isPrivate);
if (isPrivate) {
chromeFlags |= nsIWebBrowserChrome::CHROME_PRIVATE_WINDOW;
}
}
if (openerTabId > 0 ||
aContext.type() == IPCTabContext::TUnsafeIPCTabContext) {
// Creation of PBrowser triggered from grandchild process is currently
// broken and not supported (i.e. this code path doesn't work in
// ContentBridgeParent).
//
// If you're working on fixing the code path for ContentBridgeParent,
// remember to handle the remote frame registration below carefully as it
// has to be registered in parent process.
MOZ_ASSERT(XRE_IsParentProcess());
if (!XRE_IsParentProcess()) {
return nullptr;
}
// The creation of PBrowser was triggered from content process through
// either window.open() or service worker's openWindow().
// We need to register remote frame with the child generated tab id.
ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
if (!cpm->RegisterRemoteFrame(aTabId, openerCpId, openerTabId, aContext, aCpId)) {
return nullptr;
}
}
// And because we're allocating a remote browser, of course the
// window is remote.
chromeFlags |= nsIWebBrowserChrome::CHROME_REMOTE_WINDOW;
MaybeInvalidTabContext tc(aContext);
MOZ_ASSERT(tc.IsValid());
TabParent* parent = new TabParent(this, aTabId, tc.GetTabContext(), chromeFlags);
// We release this ref in DeallocPBrowserParent()
NS_ADDREF(parent);
return parent;
}