ContentParent* CanonicalBrowsingContext::GetContentParent() const {
  if (mProcessId == 0) {
    return nullptr;
  }

  ContentProcessManager* cpm = ContentProcessManager::GetSingleton();
  return cpm->GetContentProcessById(ContentParentId(mProcessId));
}
Exemplo n.º 2
0
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;
}
Exemplo n.º 3
0
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);
}
Exemplo n.º 5
0
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;
}