Reland r57788 - Expose Extension Bindings to Component Applications

chrome/browser/dom_ui/dom_ui_factory.cc

 // Copyright (c) 2010 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/dom_ui/dom_ui_factory.h"
 
 #include "base/command_line.h"
 #include "chrome/browser/chrome_thread.h"
 #include "chrome/browser/dom_ui/bookmarks_ui.h"
 #include "chrome/browser/dom_ui/bug_report_ui.h"
@@ skipping 37 matching lines @@
 
 // Template for defining DOMUIFactoryFunction.
 template<class T>
 DOMUI* NewDOMUI(TabContents* contents, const GURL& url) {
   return new T(contents);
 }
 
 // Special case for extensions.
 template<>
 DOMUI* NewDOMUI<ExtensionDOMUI>(TabContents* contents, const GURL& url) {
-  // Don't use a DOMUI for non-existent extensions or for incognito tabs. The
-  // latter restriction is because we require extensions to run within a single
-  // process.
+  // Don't use a DOMUI for incognito tabs because we require extensions to run
+  // within a single process.
   ExtensionsService* service = contents->profile()->GetExtensionsService();
-  bool valid_extension =
-      (service && service->GetExtensionById(url.host(), false));
-  if (valid_extension && !contents->profile()->IsOffTheRecord())
-    return new ExtensionDOMUI(contents);
+  if (service &&
+      service->ExtensionBindingsAllowed(url) &&
+      !contents->profile()->IsOffTheRecord()) {
+    return new ExtensionDOMUI(contents, url);
+  }
   return NULL;
 }
 
 // Returns a function that can be used to create the right type of DOMUI for a
 // tab, based on its URL. Returns NULL if the URL doesn't have DOMUI associated
 // with it. Even if the factory function is valid, it may yield a NULL DOMUI
 // when invoked for a particular tab - see NewDOMUI<ExtensionDOMUI>.
-static DOMUIFactoryFunction GetDOMUIFactoryFunction(const GURL& url) {
+static DOMUIFactoryFunction GetDOMUIFactoryFunction(Profile* profile,
+    const GURL& url) {
   // Currently, any gears: URL means an HTML dialog.
   if (url.SchemeIs(chrome::kGearsScheme))
     return &NewDOMUI<HtmlDialogUI>;
 
-  if (url.SchemeIs(chrome::kExtensionScheme))
+  ExtensionsService* service = profile->GetExtensionsService();
+  if (service && service->ExtensionBindingsAllowed(url))
     return &NewDOMUI<ExtensionDOMUI>;
 
   // All platform builds of Chrome will need to have a cloud printing
   // dialog as backup.  It's just that on Chrome OS, it's the only
   // print dialog.
   if (url.host() == chrome::kCloudPrintResourcesHost)
     return &NewDOMUI<ExternalHtmlDialogUI>;
 
   // This will get called a lot to check all URLs, so do a quick check of other
   // schemes (gears was handled above) to filter out most URLs.
@@ skipping 63 matching lines @@
         switches::kEnableTabbedOptions)) {
       return &NewDOMUI<OptionsUI>;
     }
   }
 #endif
 
   return NULL;
 }
 
 // static
-DOMUITypeID DOMUIFactory::GetDOMUIType(const GURL& url) {
-  DOMUIFactoryFunction function = GetDOMUIFactoryFunction(url);
+DOMUITypeID DOMUIFactory::GetDOMUIType(Profile* profile, const GURL& url) {
+  DOMUIFactoryFunction function = GetDOMUIFactoryFunction(profile, url);
   return function ? reinterpret_cast<DOMUITypeID>(function) : kNoDOMUI;
 }
 
 // static
 bool DOMUIFactory::HasDOMUIScheme(const GURL& url) {
   return url.SchemeIs(chrome::kChromeInternalScheme) ||
          url.SchemeIs(chrome::kChromeUIScheme) ||
          url.SchemeIs(chrome::kExtensionScheme);
 }
 
 // static
-bool DOMUIFactory::UseDOMUIForURL(const GURL& url) {
-  return GetDOMUIFactoryFunction(url) != NULL;
+bool DOMUIFactory::UseDOMUIForURL(Profile* profile, const GURL& url) {
+  return GetDOMUIFactoryFunction(profile, url) != NULL;
 }
 
 // static
 DOMUI* DOMUIFactory::CreateDOMUIForURL(TabContents* tab_contents,
                                        const GURL& url) {
-  DOMUIFactoryFunction function = GetDOMUIFactoryFunction(url);
+  DOMUIFactoryFunction function = GetDOMUIFactoryFunction(
+      tab_contents->profile(), url);
   if (!function)
     return NULL;
   return (*function)(tab_contents, url);
 }
 
 // static
 void DOMUIFactory::GetFaviconForURL(Profile* profile,
                                     FaviconService::GetFaviconRequest* request,
                                     const GURL& page_url) {
   // All extensions but the bookmark manager get their favicon from the icons
@@ skipping 49 matching lines @@
   if (page_url.host() == chrome::kChromeUIPluginsHost)
     return PluginsUI::GetFaviconResourceBytes();
 
 #if defined(ENABLE_REMOTING)
   if (page_url.host() == chrome::kChromeUIRemotingHost)
     return RemotingUI::GetFaviconResourceBytes();
 #endif
 
   return NULL;
 }