Added new callback method WebBrowserComponent:: newWindowAttemptingToLoad()

extras/Demo/Source/Demos/WebBrowserDemo.cpp

@@ -37,13 +37,12 @@ class DemoBrowserComponent  : public WebBrowserComponent
 {
 public:
     //==============================================================================
-    DemoBrowserComponent (TextEditor& addressTextBox_)
+    DemoBrowserComponent (TextEditor& addressBox)  : addressTextBox (addressBox)
-        : addressTextBox (addressTextBox_)
     {
     }
 
     // This method gets called when the browser is about to go to a new URL..
-    bool pageAboutToLoad (const String& newURL)
+    bool pageAboutToLoad (const String& newURL) override
     {
         // We'll just update our address box to reflect the new location..
         addressTextBox.setText (newURL, false);
@@ -53,6 +52,13 @@ public:
         return true;
     }
 
+    // This method gets called when the browser is requested to launch a new window
+    void newWindowAttemptingToLoad (const String& newURL) override
+    {
+        // We'll just load the URL into the main window
+        goToURL (newURL);
+    }
+
 private:
     TextEditor& addressTextBox;
 
@@ -93,7 +99,7 @@ public:
         webView->goToURL ("http://www.juce.com");
     }
 
-    void paint (Graphics& g)
+    void paint (Graphics& g) override
     {
         g.fillAll (Colours::grey);
     }

modules/juce_gui_extra/juce_gui_extra.cpp

@@ -146,5 +146,6 @@ namespace juce
  bool WebBrowserComponent::pageAboutToLoad (const String&)  { return true; }
  void WebBrowserComponent::pageFinishedLoading (const String&) {}
  void WebBrowserComponent::windowCloseRequest() {}
+ void WebBrowserComponent::newWindowAttemptingToLoad (const String&) {}
 #endif
 }

modules/juce_gui_extra/misc/juce_WebBrowserComponent.h

@@ -98,6 +98,12 @@ public:
     */
     virtual void windowCloseRequest();
 
+    /** This callback occurs when the browser attempts to load a URL in a new window.
+        This won't actually load the window but gives you a chance to either launch a
+        new window yourself or just load the URL into the current window with gotToURL.
+     */
+    virtual void newWindowAttemptingToLoad (const String& newURL);
+
     //==============================================================================
     /** @internal */
     void paint (Graphics&) override;

modules/juce_gui_extra/native/juce_mac_WebBrowserComponent.mm

@@ -32,6 +32,8 @@ struct DownloadClickDetectorClass  : public ObjCClass <NSObject>
 
         addMethod (@selector (webView:decidePolicyForNavigationAction:request:frame:decisionListener:),
                    decidePolicyForNavigationAction, "v@:@@@@@");
+        addMethod (@selector (webView:decidePolicyForNewWindowAction:request:newFrameName:decisionListener:),
+                   decidePolicyForNewWindowAction, "v@:@@@@@");
         addMethod (@selector (webView:didFinishLoadForFrame:), didFinishLoadForFrame, "v@:@@");
         addMethod (@selector (webView:willCloseFrame:), willCloseFrame, "v@:@@");
         addMethod (@selector (webView:runOpenPanelForFileButtonWithResultListener:allowMultipleFiles:), runOpenPanel, "v@:@@", @encode (BOOL));
@@ -43,17 +45,30 @@ struct DownloadClickDetectorClass  : public ObjCClass <NSObject>
     static WebBrowserComponent* getOwner (id self)               { return getIvar<WebBrowserComponent*> (self, "owner"); }
 
 private:
+    static String getOriginalURL (NSDictionary* actionInformation)
+    {
+        if (NSURL* url = [actionInformation valueForKey: nsStringLiteral ("WebActionOriginalURLKey")])
+            return nsStringToJuce ([url absoluteString]);
+
+        return String();
+    }
+
     static void decidePolicyForNavigationAction (id self, SEL, WebView*, NSDictionary* actionInformation,
                                                  NSURLRequest*, WebFrame*, id <WebPolicyDecisionListener> listener)
     {
-        NSURL* url = [actionInformation valueForKey: nsStringLiteral ("WebActionOriginalURLKey")];
+        if (getOwner (self)->pageAboutToLoad (getOriginalURL (actionInformation)))
-
-        if (getOwner (self)->pageAboutToLoad (nsStringToJuce ([url absoluteString])))
             [listener use];
         else
             [listener ignore];
     }
 
+    static void decidePolicyForNewWindowAction (id self, SEL, WebView*, NSDictionary* actionInformation,
+                                                NSURLRequest*, NSString*, id <WebPolicyDecisionListener> listener)
+    {
+        getOwner (self)->newWindowAttemptingToLoad (getOriginalURL (actionInformation));
+        [listener ignore];
+    }
+
     static void didFinishLoadForFrame (id self, SEL, WebView* sender, WebFrame* frame)
     {
         if ([frame isEqual: [sender mainFrame]])

modules/juce_gui_extra/native/juce_win32_WebBrowserComponent.cpp

@@ -153,6 +153,13 @@ private:
                                                                                                     : VARIANT_TRUE;
                 return S_OK;
             }
+            else if (dispIdMember == DISPID_NEWWINDOW3)
+            {
+                owner.newWindowAttemptingToLoad (pDispParams->rgvarg[0].bstrVal);
+                *pDispParams->rgvarg[3].pboolVal = VARIANT_TRUE;
+
+                return S_OK;
+            }
             else if (dispIdMember == DISPID_DOCUMENTCOMPLETE)
             {
                 owner.pageFinishedLoading (getStringFromVariant (pDispParams->rgvarg[0].pvarVal));