Re: Getting tab URL in C++

Hi Vaibhav,

I am also implementing the c++ code to get all opened firefox url.

Could you please send me your code.

regards
Pushpendra

On Monday, April 12, 2010 3:33:22 PM UTC+5:30, Vaibhav wrote:
> On Apr 10, 7:15=A0am, Jens Sorensen <[email protected]> wrote:
> > You are almost there..
> >
> > If you bring up DOM inspector then you will notice that the
> > 'browsers/tabs' are actually located under the 'xul:panels' node which
> > has the anonid value of "panelcontainer" and not "tabcontainer". =A0You
> > passed "tabcontainer" in to "GetAnonymousElementByAttribute" which is
> > not correct. You will also notice that this element contains multiple
> > 'xul:notificationbox' elements (one for each tab) and that the
> > 'xul:browser' node is the last child of the 'xul:notificationbox'.
> >
> > The 'xul:browser" node is what you are looking for.
> >
> > Here is the updated code.
> >
> > =A0 =A0 =A0 =A0 nsresult rv;
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIWindowMediator> windowMediator =3D
> > do_GetService(NS_WINDOWMEDIATOR_CONTRACTID, &rv);
> >
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMWindowInternal> dwi;
> > =A0 =A0 =A0 =A0 windowMediator->GetMostRecentWindow(L"navigator:browser=
", getter_AddRefs(dwi));
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMDocument> doc;
> > =A0 =A0 =A0 =A0 dwi->GetDocument(getter_AddRefs(doc));
> >
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMDocumentXBL> xbl(do_QueryInterface(doc));
> >
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMElement> domEl;
> > =A0 =A0 =A0 =A0 doc->GetElementById(NS_LITERAL_STRING("content"), gette=
r_AddRefs(domEl));
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMElement> pAnoEl;
> >
> > =A0 =A0 =A0 =A0 // getting xul:tabpanels
> > =A0 =A0 =A0 =A0 xbl->GetAnonymousElementByAttribute(domEl,
> > NS_LITERAL_STRING("anonid"), NS_LITERAL_STRING("panelcontainer"),
> > getter_AddRefs(pAnoEl) =A0);
> > =A0 =A0 =A0 =A0 nsString retval;
> > =A0 =A0 =A0 =A0 PRBool bRet =3D 0;
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMNodeList> nodeList;
> > =A0 =A0 =A0 =A0 pAnoEl->GetChildNodes(getter_AddRefs(nodeList));
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMNode> domNode;
> >
> > =A0 =A0 =A0 =A0 PRUint32 len =3D 0;
> > =A0 =A0 =A0 =A0 rv =3D nodeList->GetLength(&len);
> >
> > =A0 =A0 =A0 =A0 for( PRUint32 i=3D0; i<len; i++ )
> > =A0 =A0 =A0 =A0 {
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 // getting the xul::notificationbox
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMNode> domNode;
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nodeList->Item(i, getter_AddRefs(domNod=
e));
> >
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 // get the last child of the 'xul::noti=
ficationbox' which is the 'xul:browser'
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMNode> domXULBrowser;
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 domNode->GetLastChild(getter_AddRefs(do=
mXULBrowser));
> >
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMXULElement> xulElement =
=3D do_QueryInterface(domXULBrowser);
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIBoxObject> boxObject;
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 xulElement->GetBoxObject(getter_AddRefs=
(boxObject));
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIBrowserBoxObject> browserbo=
xObject =3D do_QueryInterface(boxObject);
> >
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIDocShell> docShell;
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 browserboxObject->GetDocShell(getter_Ad=
dRefs(docShell));
> >
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIWebNavigation> webNav =3D d=
o_QueryInterface(docShell);
> >
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIURI> uri;
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 webNav->GetCurrentURI(getter_AddRefs(ur=
i));
> >
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCString path;
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 uri->GetAsciiSpec(path);
> > =A0 =A0 =A0 =A0 }
> >
> > If you do this early in the stage then the uri might be NULL or the
> > URL will most likely be about:blank.
> >
> > I suggest that you add "TabOpen", "TabSelect" "TabXXXX" event
> > listeners if you need to track tab creation, destruction etc.
> >
> > nsCOMPtr<nsIDOMEventTarget> eventTarget =3D do_QueryInterface(dwi);
> > eventTarget->AddEventListener(.....)
> >
> > Remember to check for null pointers etc..
> > Cheers,
> > Jens Sorensen
> >
> > =A0 =A0 =A0 =A0 nsresult rv;
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIWindowMediator> windowMediator =3D
> > do_GetService(NS_WINDOWMEDIATOR_CONTRACTID, &rv);
> >
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMWindowInternal> dwi;
> > =A0 =A0 =A0 =A0 windowMediator->GetMostRecentWindow(L"navigator:browser=
", getter_AddRefs(dwi));
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMDocument> doc;
> > =A0 =A0 =A0 =A0 dwi->GetDocument(getter_AddRefs(doc));
> >
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMDocumentXBL> xbl(do_QueryInterface(doc));
> >
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMElement> domEl;
> > =A0 =A0 =A0 =A0 doc->GetElementById(NS_LITERAL_STRING("content"), gette=
r_AddRefs(domEl));
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMElement> pAnoEl;
> >
> > =A0 =A0 =A0 =A0 // getting xul:tabpanels
> > =A0 =A0 =A0 =A0 xbl->GetAnonymousElementByAttribute(domEl,
> > NS_LITERAL_STRING("anonid"), NS_LITERAL_STRING("panelcontainer"),
> > getter_AddRefs(pAnoEl) =A0);
> > =A0 =A0 =A0 =A0 nsString retval;
> > =A0 =A0 =A0 =A0 PRBool bRet =3D 0;
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMNodeList> nodeList;
> > =A0 =A0 =A0 =A0 pAnoEl->GetChildNodes(getter_AddRefs(nodeList));
> > =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMNode> domNode;
> >
> > =A0 =A0 =A0 =A0 PRUint32 len =3D 0;
> > =A0 =A0 =A0 =A0 rv =3D nodeList->GetLength(&len);
> >
> > =A0 =A0 =A0 =A0 for( PRUint32 i=3D0; i<len; i++ )
> > =A0 =A0 =A0 =A0 {
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 // getting the xul::notificationbox
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMNode> domNode;
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nodeList->Item(i, getter_AddRefs(domNod=
e));
> >
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 // get the last child of the 'xul::noti=
ficationbox' which is the 'xul:browser'
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMNode> domXULBrowser;
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 domNode->GetLastChild(getter_AddRefs(do=
mXULBrowser));
> >
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIDOMXULElement> xulElement =
=3D do_QueryInterface(domXULBrowser);
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIBoxObject> boxObject;
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 xulElement->GetBoxObject(getter_AddRefs=
(boxObject));
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIBrowserBoxObject> browserbo=
xObject =3D do_QueryInterface(boxObject);
> >
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIDocShell> docShell;
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 browserboxObject->GetDocShell(getter_Ad=
dRefs(docShell));
> >
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIWebNavigation> webNav =3D d=
o_QueryInterface(docShell);
> >
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCOMPtr<nsIURI> uri;
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 webNav->GetCurrentURI(getter_AddRefs(ur=
i));
> >
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 nsCString path;
> > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 uri->GetAsciiSpec(path);
> > =A0 =A0 =A0 =A0 }
> >
> >
> >
> > On Thu, Apr 8, 2010 at 6:04 AM, Vaibhav <[email protected]> wrote:
> > > Hi,
> >
> > > I am writing Firefox extension using C++.
> >
> > > I am enumerating the tabs to get their respective URLs.
> >
> > > Following is pseudocode:
> >
> > > /////////////////////////////////////////////////////////////////////=
////// ////////////////////////////////////////////////////////////////////=
/////// ///
> >
> > > nsCOMPtr<nsIWindowMediator> windowMediator =3D
> > > do_GetService(NS_WINDOWMEDIATOR_CONTRACTID, &rv);
> > > windowMediator->GetMostRecentWindow(L"navigator:browser",
> > > getter_AddRefs(dwi));
> > > dwi->GetDocument(getter_AddRefs(doc));
> > > nsCOMPtr<nsIDOMDocumentXBL> xbl(do_QueryInterface(doc));
> > > doc->GetElementById(NS_LITERAL_STRING("content"),
> > > getter_AddRefs(domEl));
> > > nsCOMPtr<nsIDOMElement> pAnoEl;
> > > xbl->GetAnonymousElementByAttribute(
> > > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0domEl,
> > > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0NS_LITERAL_STRIN=
G("anonid"),
> > > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0NS_LITERAL_STRIN=
G("tabcontainer"),
> > > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0getter_AddRefs(p=
AnoEl)
> > > =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =
=A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0 =A0);
> > > nsString retval;
> > > PRBool bRet =3D 0;
> > > nsCOMPtr<nsIDOMNodeList> nodeList;
> > > pAnoEl->GetChildNodes(getter_AddRefs(nodeList));
> > > nsCOMPtr<nsIDOMNode> domNode;
> > > rv =3D nodeList->GetLength(&len);
> > > for (PRUint32 i =3D 0; i < len; i++)
> > > {
> > > =A0 =A0 =A0 =A0nodeList->Item(i, getter_AddRefs(domNode));
> > > =A0 =A0 =A0 =A0nsCOMPtr<nsIDOMXULElement> xulElement =3D do_QueryInte=
rface(domNode);
> > > =A0 =A0 =A0 =A0nsCOMPtr<nsIBoxObject> boxObject;
> > > =A0 =A0 =A0 =A0xulElement->GetBoxObject(getter_AddRefs(boxObject));
> > > =A0 =A0 =A0 =A0nsCOMPtr<nsIBrowserBoxObject> browserboxObject =3D
> > > do_QueryInterface(boxObject);
> > > }
> >
> > > /////////////////////////////////////////////////////////////////////=
////// ////////////////////////////////////////////////////////////////////=
/////// ///
> >
> > > In the above code QueryInterface for getting nsIBrowserBoxObject fails
> > > with error code: NS_ERROR_NO_INTERFACE.
> >
> > > Please suggest me the ways to get tab URL.
> >
> > > Help Me !!!
> >
> > > Thanks,
> > > Vaibhav.
> > > _______________________________________________
> > > dev-tech-dom mailing list
> > > [email protected]
> > >https://lists.mozilla.org/listinfo/dev-tech-dom
> =

> Hi Jens,
> =

> Thanks a lot.
> It is a solution.
> =

> Vaibhav.