--- chimera/ContentClickListener.mm	2002/03/07 18:35:48	1.1
+++ chimera/ContentClickListener.mm	2002/03/08 01:43:01	1.3
@@ -37,6 +37,18 @@
 
 #include "nsCOMPtr.h"
 #include "ContentClickListener.h"
+#include "nsIDOMEventTarget.h"
+#include "nsIContent.h"
+#include "nsIAtom.h"
+#include "nsIDOMElement.h"
+#include "nsString.h"
+#include "nsUnicharUtils.h"
+#include "nsIPrefBranch.h"
+#include "nsIDOMMouseEvent.h"
+#include "nsEmbedAPI.h"
+#include "nsIDOMHTMLAnchorElement.h"
+#include "nsIDOMHTMLAreaElement.h"
+#include "nsIDOMHTMLLinkElement.h"
 
 NS_IMPL_ISUPPORTS2(ContentClickListener, nsIDOMMouseListener, nsIDOMEventListener);
 
@@ -54,6 +66,106 @@ ContentClickListener::~ContentClickListe
 NS_IMETHODIMP
 ContentClickListener::MouseClick(nsIDOMEvent* aEvent)
 {
-  printf("You clicked in the content area! Good for you!\n");
+  nsCOMPtr<nsIDOMEventTarget> target;
+  aEvent->GetTarget(getter_AddRefs(target));
+  if (!target)
+    return NS_OK;
+  nsCOMPtr<nsIDOMElement> content(do_QueryInterface(target));
+  nsAutoString localName;
+  if (content)
+    content->GetLocalName(localName);
+  
+  nsCOMPtr<nsIDOMElement> linkContent;
+  ToLowerCase(localName);
+  nsAutoString href;
+  if (localName.Equals(NS_LITERAL_STRING("a")) ||
+      localName.Equals(NS_LITERAL_STRING("area")) ||
+      localName.Equals(NS_LITERAL_STRING("link"))) {
+    PRBool hasAttr;
+    content->HasAttribute(NS_LITERAL_STRING("href"), &hasAttr);
+    if (hasAttr) {
+      linkContent = content;
+      nsCOMPtr<nsIDOMHTMLAnchorElement> anchor(do_QueryInterface(linkContent));
+      if (anchor)
+        anchor->GetHref(href);
+      else {
+        nsCOMPtr<nsIDOMHTMLAreaElement> area(do_QueryInterface(linkContent));
+        if (area)
+          area->GetHref(href);
+        else {
+          nsCOMPtr<nsIDOMHTMLLinkElement> link(do_QueryInterface(linkContent));
+          if (link)
+            link->GetHref(href);
+        }
+      }
+    }
+  }
+  else {
+    // XXXdwh Handle prefilling of forms (input fields) on a click.
+    nsCOMPtr<nsIDOMNode> curr(do_QueryInterface(target));
+    nsCOMPtr<nsIDOMNode> temp = curr;
+    temp->GetParentNode(getter_AddRefs(curr));
+    while (curr) {
+      content = do_QueryInterface(curr);
+      if (!content)
+        break;
+      content->GetLocalName(localName);
+      ToLowerCase(localName);
+      if (localName.Equals(NS_LITERAL_STRING("a"))) {
+        PRBool hasAttr;
+        content->HasAttribute(NS_LITERAL_STRING("href"), &hasAttr);
+        if (hasAttr) {
+          linkContent = content;
+          nsCOMPtr<nsIDOMHTMLAnchorElement> anchor(do_QueryInterface(linkContent));
+          if (anchor)
+            anchor->GetHref(href);
+        }
+        else
+          linkContent = nsnull; // Links can't be nested.
+        break;
+      }
+      
+      temp = curr;
+      temp->GetParentNode(getter_AddRefs(curr));
+    }
+  }
+  
+  // XXXdwh Handle simple XLINKs if we want to be compatible with Mozilla, but who
+  // really uses these anyway? :)
+  if (!linkContent || href.IsEmpty())
+    return NS_OK;
+
+  NSString* hrefStr = [NSString stringWithCharacters: href.get() length:nsCRT::strlen(href.get())];
+  NSURL* urlToLoad = [NSURL URLWithString: hrefStr];
+  
+  nsCOMPtr<nsIPrefBranch> pref(do_GetService("@mozilla.org/preferences-service;1"));
+  if (!pref)
+    return NS_OK; // Something bad happened if we can't get prefs.
+    
+  PRUint16 button;
+  nsCOMPtr<nsIDOMMouseEvent> mouseEvent(do_QueryInterface(aEvent));
+  mouseEvent->GetButton(&button);
+  switch (button) {
+    case 0: {
+      PRBool metaKey, shiftKey;
+      mouseEvent->GetMetaKey(&metaKey);
+      mouseEvent->GetShiftKey(&shiftKey);
+      if (metaKey) {
+        // The command key is down.  Open the link in a new window or tab.
+        PRBool useTab;
+        pref->GetBoolPref("browser.tabs.opentabfor.middleclick", &useTab);
+        PRBool loadInBackground;
+        pref->GetBoolPref("browser.tabs.loadInBackground", &loadInBackground);
+        if (shiftKey)
+          loadInBackground = !loadInBackground;
+        if (useTab) {
+          
+        }
+        else
+          [mBrowserController openNewWindowWithURL: urlToLoad loadInBackground: loadInBackground];
+      }
+    }
+  }
+    
   return NS_OK;
 }