Added example/experimental code showing how to change icons during runtime

xpfe/AppCores/src/makefile.win

@@ -157,6 +157,12 @@ install:: $(DLL)
 	$(MAKE_INSTALL) ..\xul\resources\TB_WhatsRelated_mo.gif $(DIST)\bin\res\toolbar
 	$(MAKE_INSTALL) ..\xul\resources\StatusBar-insecure.gif $(DIST)\bin\res\toolbar
 	$(MAKE_INSTALL) ..\xul\resources\StatusBar-secure.gif	$(DIST)\bin\res\toolbar
+	$(MAKE_INSTALL) ..\xul\resources\TB_NewBack.gif			$(DIST)\bin\res\toolbar
+	$(MAKE_INSTALL) ..\xul\resources\TB_NewForward.gif			$(DIST)\bin\res\toolbar
+	$(MAKE_INSTALL) ..\xul\resources\TB_NewReload.gif			$(DIST)\bin\res\toolbar
+	$(MAKE_INSTALL) ..\xul\resources\TB_NewStop.gif			$(DIST)\bin\res\toolbar
+	$(MAKE_INSTALL) ..\xul\resources\TB_NewHome.gif			$(DIST)\bin\res\toolbar
+	$(MAKE_INSTALL) ..\xul\resources\TB_NewPrint.gif			$(DIST)\bin\res\toolbar
 
 clobber::
 	rm -f $(DIST)\lib\$(MODULE).lib
@@ -230,3 +236,9 @@ clobber::
 	rm -f $(DIST)\res\samples\TB_WhatsRelated_mo.gif 
 	rm -f $(DIST)\res\samples\StatusBar-insecure.gif 
 	rm -f $(DIST)\res\samples\StatusBar-secure.gif	
+	rm -f $(DIST)\res\samples\TB_NewBack.gif	
+	rm -f $(DIST)\res\samples\TB_NewForward.gif	
+	rm -f $(DIST)\res\samples\TB_NewReload.gif	
+	rm -f $(DIST)\res\samples\TB_NewStop.gif	
+	rm -f $(DIST)\res\samples\TB_NewHome.gif	
+	rm -f $(DIST)\res\samples\TB_NewPrint.gif	

xpfe/AppCores/src/nsBrowserAppCore.cpp

@@ -48,6 +48,10 @@
 #include "nsIAppShellService.h"
 #include "nsAppShellCIDs.h"
 
+#include "nsIDocumentViewer.h"
+#include "nsIDOMHTMLImageElement.h"
+
+
 /* Define Class IDs */
 static NS_DEFINE_IID(kAppShellServiceCID,        NS_APPSHELL_SERVICE_CID);
 static NS_DEFINE_IID(kBrowserAppCoreCID,         NS_BROWSERAPPCORE_CID);
@@ -83,6 +87,7 @@ nsBrowserAppCore::nsBrowserAppCore()
   mContentWindow        = nsnull;
   mContentScriptContext = nsnull;
   mWebShellWin          = nsnull;
+  mWebShell             = nsnull;
 
   IncInstanceCount();
   NS_INIT_REFCNT();
@@ -95,6 +100,7 @@ nsBrowserAppCore::~nsBrowserAppCore()
   NS_IF_RELEASE(mContentWindow);
   NS_IF_RELEASE(mContentScriptContext);
   NS_IF_RELEASE(mWebShellWin);
+  NS_IF_RELEASE(mWebShell);
   DecInstanceCount();  
 }
 
@@ -239,6 +245,7 @@ nsBrowserAppCore::SetContentWindow(nsIDOMWindow* aWin)
   return NS_OK;
 }
 
+
 NS_IMETHODIMP    
 nsBrowserAppCore::SetWebShellWindow(nsIDOMWindow* aWin)
 {
@@ -253,6 +260,8 @@ nsBrowserAppCore::SetWebShellWindow(nsIDOMWindow* aWin)
   nsIWebShell * webShell;
   globalObj->GetWebShell(&webShell);
   if (nsnull != webShell) {
+    mWebShell = webShell;
+    NS_ADDREF(mWebShell);
     const PRUnichar * name;
     webShell->GetName( &name);
     nsAutoString str(name);
@@ -334,9 +343,58 @@ done:
   return NS_OK;
 }
 
+//----------------------------------------
+void nsBrowserAppCore::SetButtonImage(nsIDOMNode * aParentNode, PRInt32 aBtnNum, const nsString &aResName)
+{
+  PRInt32 count = 0;
+  nsCOMPtr<nsIDOMNode> button(FindNamedDOMNode(nsAutoString("button"), aParentNode, count, aBtnNum)); 
+  count = 0;
+  nsCOMPtr<nsIDOMNode> img(FindNamedDOMNode(nsAutoString("img"), button, count, 1)); 
+  nsCOMPtr<nsIDOMHTMLImageElement> imgElement(do_QueryInterface(img));
+  if (imgElement) {
+    char * str = aResName.ToNewCString();
+    imgElement->SetSrc(str);
+    delete [] str;
+  }
+
+}
+
+
 NS_IMETHODIMP    
 nsBrowserAppCore::PrintPreview()
-{  
+{ 
+  if (!mWebShell) 
+    return NS_OK;
+
+  //////////////////////////////////////////////////////
+  // This is Experimental code showing one approach 
+  // to dynamically changing the toolbar icons.
+  //////////////////////////////////////////////////////
+
+  // first get the toolbar child WebShell
+  nsCOMPtr<nsIContentViewer> cv;
+  mWebShell->GetContentViewer(getter_AddRefs(cv));
+  if (!cv)
+    return NS_OK;
+   
+  nsCOMPtr<nsIDocumentViewer> docv(do_QueryInterface(cv));
+  if (!docv)
+    return NS_OK;
+
+  nsCOMPtr<nsIDocument> doc;
+  docv->GetDocument(*getter_AddRefs(doc));
+  if (!doc)
+    return NS_OK;
+
+  nsCOMPtr<nsIDOMDocument> domDoc(do_QueryInterface(doc));
+  nsCOMPtr<nsIDOMNode> parentNode(GetParentNodeFromDOMDoc(domDoc)); 
+
+  SetButtonImage(parentNode, 1, "resource:/res/toolbar/TB_NewBack.gif");
+  SetButtonImage(parentNode, 2, "resource:/res/toolbar/TB_NewForward.gif");
+  SetButtonImage(parentNode, 3, "resource:/res/toolbar/TB_NewReload.gif");
+  SetButtonImage(parentNode, 4, "resource:/res/toolbar/TB_NewStop.gif");
+  SetButtonImage(parentNode, 5, "resource:/res/toolbar/TB_NewHome.gif"); 
+  SetButtonImage(parentNode, 6, "resource:/res/toolbar/TB_NewPrint.gif"); 
   return NS_OK;
 }
 

xpfe/AppCores/src/nsBrowserAppCore.h

@@ -95,6 +95,7 @@ class nsBrowserAppCore : public nsBaseAppCore,
   protected:
     NS_IMETHOD DoDialog();
     NS_IMETHOD ExecuteScript(nsIScriptContext * aContext, const nsString& aScript);
+    void SetButtonImage(nsIDOMNode * aParentNode, PRInt32 aBtnNum, const nsString &aResName);
 
     nsString            mEnableScript;     
     nsString            mDisableScript;     
@@ -106,6 +107,8 @@ class nsBrowserAppCore : public nsBaseAppCore,
     nsIDOMWindow       *mContentWindow;
 
     nsIWebShellWindow  *mWebShellWin;
+    nsIWebShell *       mWebShell;
+
 };
 
 #endif // nsBrowserAppCore_h___

xpfe/AppCores/xul/Makefile.in

@@ -96,6 +96,12 @@ EXPORT_RESOURCE_TOOLBAR = \
 	$(srcdir)/resources/TB_WhatsRelated_mo.gif \
 	$(srcdir)/resources/StatusBar-insecure.gif \
 	$(srcdir)/resources/StatusBar-secure.gif \
+	$(srcdir)/resources/TB_NewBack.gif \
+	$(srcdir)/resources/TB_NewForward.gif \
+	$(srcdir)/resources/TB_NewReload.gif \
+	$(srcdir)/resources/TB_NewStop.gif \
+	$(srcdir)/resources/TB_NewHome.gif \
+	$(srcdir)/resources/TB_NewPrint.gif \
 	$(NULL)
 
 install::