コード例 #1
0
ファイル: nsFrameFrame.cpp プロジェクト: amyvmiwei/firefox
nsIFrame*
nsSubDocumentFrame::ObtainIntrinsicSizeFrame()
{
  nsCOMPtr<nsIObjectLoadingContent> olc = do_QueryInterface(GetContent());
  if (olc) {
    // We are an HTML <object>, <embed> or <applet> (a replaced element).

    // Try to get an nsIFrame for our sub-document's document element
    nsIFrame* subDocRoot = nsnull;

    nsCOMPtr<nsIDocShell> docShell;
    GetDocShell(getter_AddRefs(docShell));
    if (docShell) {
      nsCOMPtr<nsIPresShell> presShell;
      docShell->GetPresShell(getter_AddRefs(presShell));
      if (presShell) {
        nsIScrollableFrame* scrollable = presShell->GetRootScrollFrameAsScrollable();
        if (scrollable) {
          nsIFrame* scrolled = scrollable->GetScrolledFrame();
          if (scrolled) {
            subDocRoot = scrolled->GetFirstChild(nsnull);
          }
        }
      }
    }

#ifdef MOZ_SVG
    if (subDocRoot && subDocRoot->GetContent() &&
        subDocRoot->GetContent()->NodeInfo()->Equals(nsGkAtoms::svg, kNameSpaceID_SVG)) {
      return subDocRoot; // SVG documents have an intrinsic size
    }
#endif
  }
  return nsnull;
}
コード例 #2
0
nsresult
Location::GetSourceBaseURL(JSContext* cx, nsIURI** sourceURL)
{
  *sourceURL = nullptr;
  nsIDocument* doc = GetEntryDocument();
  // If there's no entry document, we either have no Script Entry Point or one
  // that isn't a DOM Window.  This doesn't generally happen with the DOM, but
  // can sometimes happen with extension code in certain IPC configurations.  If
  // this happens, try falling back on the current document associated with the
  // docshell. If that fails, just return null and hope that the caller passed
  // an absolute URI.
  if (!doc && GetDocShell()) {
    nsCOMPtr<nsPIDOMWindowOuter> docShellWin =
      do_QueryInterface(GetDocShell()->GetScriptGlobalObject());
    if (docShellWin) {
      doc = docShellWin->GetDoc();
    }
  }
  NS_ENSURE_TRUE(doc, NS_OK);
  *sourceURL = doc->GetBaseURI().take();
  return NS_OK;
}
コード例 #3
0
ファイル: nsFrameFrame.cpp プロジェクト: amyvmiwei/firefox
PRBool
nsSubDocumentFrame::ReflowFinished()
{
  nsCOMPtr<nsIDocShell> docShell;
  GetDocShell(getter_AddRefs(docShell));

  nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(docShell));

  // resize the sub document
  if (baseWindow) {
    PRInt32 x = 0;
    PRInt32 y = 0;

    nsWeakFrame weakFrame(this);
    
    nsPresContext* presContext = PresContext();
    baseWindow->GetPositionAndSize(&x, &y, nsnull, nsnull);

    if (!weakFrame.IsAlive()) {
      // GetPositionAndSize() killed us
      return PR_FALSE;
    }

    // GetPositionAndSize might have resized us.  So now is the time to
    // get our size.
    mPostedReflowCallback = PR_FALSE;
  
    nsSize innerSize(GetSize());
    if (IsInline()) {
      nsMargin usedBorderPadding = GetUsedBorderAndPadding();

      // Sadly, XUL smacks the frame size without changing the used
      // border and padding, so we can't trust those.  Subtracting
      // them might make things negative.
      innerSize.width  -= usedBorderPadding.LeftRight();
      innerSize.width = PR_MAX(innerSize.width, 0);
      
      innerSize.height -= usedBorderPadding.TopBottom();
      innerSize.height = PR_MAX(innerSize.height, 0);
    }  

    PRInt32 cx = presContext->AppUnitsToDevPixels(innerSize.width);
    PRInt32 cy = presContext->AppUnitsToDevPixels(innerSize.height);
    baseWindow->SetPositionAndSize(x, y, cx, cy, PR_FALSE);
  } else {
    // Make sure that we can post a reflow callback in the future.
    mPostedReflowCallback = PR_FALSE;
  }

  return PR_FALSE;
}
コード例 #4
0
nsresult
nsLocation::GetSourceBaseURL(JSContext* cx, nsIURI** sourceURL)
{

  *sourceURL = nullptr;
  nsCOMPtr<nsIScriptGlobalObject> sgo = nsJSUtils::GetDynamicScriptGlobal(cx);
  // If this JS context doesn't have an associated DOM window, we effectively
  // have no script entry point stack. This doesn't generally happen with the DOM,
  // but can sometimes happen with extension code in certain IPC configurations.
  // If this happens, try falling back on the current document associated with
  // the docshell. If that fails, just return null and hope that the caller passed
  // an absolute URI.
  if (!sgo && GetDocShell()) {
    sgo = do_GetInterface(GetDocShell());
  }
  NS_ENSURE_TRUE(sgo, NS_OK);
  nsCOMPtr<nsPIDOMWindow> window = do_QueryInterface(sgo);
  NS_ENSURE_TRUE(window, NS_ERROR_UNEXPECTED);
  nsIDocument* doc = window->GetDoc();
  NS_ENSURE_TRUE(doc, NS_OK);
  *sourceURL = doc->GetBaseURI().get();
  return NS_OK;
}
コード例 #5
0
/* void init (in nsIDOMWindow win); */
NS_IMETHODIMP
nsWindowUtil::Init(nsIDOMWindow *win)
{
  nsresult rv;
  mDOMWindow = win;

  nsCOMPtr<nsIDocShell> docShell;
  rv = GetDocShell(getter_AddRefs(docShell));
  NS_ENSURE_SUCCESS(rv, rv);

  nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(docShell, &rv));
  NS_ENSURE_SUCCESS(rv, rv);

  nativeWindow theNativeWindow;
  rv = baseWindow->GetParentNativeWindow( &theNativeWindow );
  NS_ENSURE_SUCCESS(rv, rv);

  mWnd = reinterpret_cast<HWND>(theNativeWindow);
  NS_ENSURE_TRUE(mWnd, NS_ERROR_UNEXPECTED);

  return NS_OK;
}
コード例 #6
0
ファイル: nsFrameFrame.cpp プロジェクト: amyvmiwei/firefox
nsresult
nsSubDocumentFrame::ShowDocShell()
{
  nsCOMPtr<nsIDocShell> docShell;
  nsresult rv = GetDocShell(getter_AddRefs(docShell));
  NS_ENSURE_SUCCESS(rv, rv);

  nsCOMPtr<nsIPresShell> presShell;
  docShell->GetPresShell(getter_AddRefs(presShell));

  if (presShell) {
    // The docshell is already showing, nothing left to do...
    NS_ASSERTION(mInnerView, "What's going on?");
    return NS_OK;
  }

  // pass along marginwidth, marginheight, scrolling so sub document
  // can use it
  nsIntSize margin = GetMarginAttributes();
  docShell->SetMarginWidth(margin.width);
  docShell->SetMarginHeight(margin.height);

  // Current and initial scrolling is set so that all succeeding docs
  // will use the scrolling value set here, regardless if scrolling is
  // set by viewing a particular document (e.g. XUL turns off scrolling)
  nsCOMPtr<nsIScrollable> sc(do_QueryInterface(docShell));

  if (sc) {
    const nsStyleDisplay *disp = GetStyleDisplay();
    sc->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_X,
                                       ConvertOverflow(disp->mOverflowX));
    sc->SetDefaultScrollbarPreferences(nsIScrollable::ScrollOrientation_Y,
                                       ConvertOverflow(disp->mOverflowY));
  }

  PRInt32 itemType = nsIDocShellTreeItem::typeContent;
  nsCOMPtr<nsIDocShellTreeItem> treeItem(do_QueryInterface(docShell));
  if (treeItem) {
    treeItem->GetItemType(&itemType);
  }

  nsContentType contentType;
  if (itemType == nsIDocShellTreeItem::typeChrome) {
    contentType = eContentTypeUI;
  }
  else {
    nsCOMPtr<nsIDocShellTreeItem> sameTypeParent;
    treeItem->GetSameTypeParent(getter_AddRefs(sameTypeParent));
    contentType = sameTypeParent ? eContentTypeContentFrame : eContentTypeContent;
  }
  rv = CreateViewAndWidget(contentType);
  if (NS_FAILED(rv)) {
    return rv;
  }

  nsCOMPtr<nsIBaseWindow> baseWindow(do_QueryInterface(docShell));

  if (baseWindow) {
    baseWindow->InitWindow(nsnull, mInnerView->GetWidget(), 0, 0, 10, 10);

    // This is kinda whacky, this "Create()" call doesn't really
    // create anything, one starts to wonder why this was named
    // "Create"...

    baseWindow->Create();

    baseWindow->SetVisibility(PR_TRUE);
  }

  // Trigger editor re-initialization if midas is turned on in the
  // sub-document. This shouldn't be necessary, but given the way our
  // editor works, it is. See
  // https://bugzilla.mozilla.org/show_bug.cgi?id=284245
  docShell->GetPresShell(getter_AddRefs(presShell));
  if (presShell) {
    nsCOMPtr<nsIDOMNSHTMLDocument> doc =
      do_QueryInterface(presShell->GetDocument());

    if (doc) {
      nsAutoString designMode;
      doc->GetDesignMode(designMode);

      if (designMode.EqualsLiteral("on")) {
        doc->SetDesignMode(NS_LITERAL_STRING("off"));
        doc->SetDesignMode(NS_LITERAL_STRING("on"));
      }
    }
  }

  return NS_OK;
}