Allow multiple WebUIControllerFactory objects to be registered. This makes is possible to implement…

content/browser/web_contents/web_contents_impl.cc

 // Copyright (c) 2012 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 "content/browser/web_contents/web_contents_impl.h"
 
 #include <utility>
 
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
@@ skipping 19 matching lines @@
 #include "content/browser/host_zoom_map_impl.h"
 #include "content/browser/intents/web_intents_dispatcher_impl.h"
 #include "content/browser/loader/resource_dispatcher_host_impl.h"
 #include "content/browser/renderer_host/render_process_host_impl.h"
 #include "content/browser/renderer_host/render_view_host_impl.h"
 #include "content/browser/renderer_host/render_widget_host_impl.h"
 #include "content/browser/site_instance_impl.h"
 #include "content/browser/web_contents/interstitial_page_impl.h"
 #include "content/browser/web_contents/navigation_entry_impl.h"
 #include "content/browser/web_contents/web_contents_view_guest.h"
+#include "content/browser/webui/web_ui_controller_factory_registry.h"
 #include "content/browser/webui/web_ui_impl.h"
 #include "content/common/browser_plugin_messages.h"
 #include "content/common/icon_messages.h"
 #include "content/common/intents_messages.h"
 #include "content/common/ssl_status_serialization.h"
 #include "content/common/view_messages.h"
 #include "content/port/browser/render_view_host_delegate_view.h"
 #include "content/port/browser/render_widget_host_view_port.h"
 #include "content/public/browser/browser_context.h"
 #include "content/public/browser/color_chooser.h"
 #include "content/public/browser/compositor_util.h"
 #include "content/public/browser/content_browser_client.h"
 #include "content/public/browser/devtools_agent_host.h"
 #include "content/public/browser/download_manager.h"
 #include "content/public/browser/download_url_parameters.h"
 #include "content/public/browser/invalidate_type.h"
 #include "content/public/browser/javascript_dialogs.h"
 #include "content/public/browser/load_from_memory_cache_details.h"
 #include "content/public/browser/load_notification_details.h"
 #include "content/public/browser/navigation_details.h"
 #include "content/public/browser/notification_details.h"
 #include "content/public/browser/notification_service.h"
 #include "content/public/browser/resource_request_details.h"
 #include "content/public/browser/storage_partition.h"
 #include "content/public/browser/user_metrics.h"
 #include "content/public/browser/web_contents_delegate.h"
 #include "content/public/browser/web_contents_observer.h"
 #include "content/public/browser/web_contents_view.h"
-#include "content/public/browser/web_ui_controller_factory.h"
 #include "content/public/common/bindings_policy.h"
 #include "content/public/common/content_constants.h"
 #include "content/public/common/content_restriction.h"
 #include "content/public/common/content_switches.h"
 #include "content/public/common/url_constants.h"
 #include "net/base/mime_util.h"
 #include "net/base/net_util.h"
 #include "net/base/network_change_notifier.h"
 #include "net/url_request/url_request_context_getter.h"
 #include "third_party/WebKit/Source/WebKit/chromium/public/WebView.h"
@@ skipping 770 matching lines @@
 
 RenderWidgetHostView* WebContentsImpl::GetRenderWidgetHostView() const {
   return render_manager_.GetRenderWidgetHostView();
 }
 
 WebContentsView* WebContentsImpl::GetView() const {
   return view_.get();
 }
 
 WebUI* WebContentsImpl::CreateWebUI(const GURL& url) {
-  WebUIControllerFactory* factory =
-      GetContentClient()->browser()->GetWebUIControllerFactory();
-  if (!factory)
-    return NULL;
   WebUIImpl* web_ui = new WebUIImpl(this);
-  WebUIController* controller =
-      factory->CreateWebUIControllerForURL(web_ui, url);
+  WebUIController* controller = WebUIControllerFactoryRegistry::GetInstance()->
+      CreateWebUIControllerForURL(web_ui, url);
   if (controller) {
     web_ui->SetController(controller);
     return web_ui;
   }
 
   delete web_ui;
   return NULL;
 }
 
 WebUI* WebContentsImpl::GetWebUI() const {
@@ skipping 747 matching lines @@
     return false;
 
   RenderViewHostImpl* dest_render_view_host =
       static_cast<RenderViewHostImpl*>(render_manager_.Navigate(entry));
   if (!dest_render_view_host)
     return false;  // Unable to create the desired render view host.
 
   // For security, we should never send non-Web-UI URLs to a Web UI renderer.
   // Double check that here.
   int enabled_bindings = dest_render_view_host->GetEnabledBindings();
-  WebUIControllerFactory* factory =
-      GetContentClient()->browser()->GetWebUIControllerFactory();
   bool data_urls_allowed = delegate_ && delegate_->CanLoadDataURLsInWebUI();
   bool is_allowed_in_web_ui_renderer =
-      factory &&
-      factory->IsURLAcceptableForWebUI(GetBrowserContext(), entry.GetURL(),
-                                       data_urls_allowed);
+      WebUIControllerFactoryRegistry::GetInstance()->IsURLAcceptableForWebUI(
+          GetBrowserContext(), entry.GetURL(), data_urls_allowed);
   if ((enabled_bindings & BINDINGS_POLICY_WEB_UI) &&
       !is_allowed_in_web_ui_renderer) {
     // Log the URL to help us diagnose any future failures of this CHECK.
     GetContentClient()->SetActiveURL(entry.GetURL());
     CHECK(0);
   }
 
   // Notify observers that we will navigate in this RV.
   FOR_EACH_OBSERVER(WebContentsObserver,
                     observers_,
@@ skipping 256 matching lines @@
 
 gfx::Size WebContentsImpl::GetPreferredSize() const {
   return preferred_size_;
 }
 
 int WebContentsImpl::GetContentRestrictions() const {
   return content_restrictions_;
 }
 
 WebUI::TypeID WebContentsImpl::GetWebUITypeForCurrentState() {
-  WebUIControllerFactory* factory =
-      GetContentClient()->browser()->GetWebUIControllerFactory();
-  if (!factory)
-    return WebUI::kNoWebUI;
-  return factory->GetWebUIType(GetBrowserContext(), GetURL());
+  return WebUIControllerFactoryRegistry::GetInstance()->GetWebUIType(
+      GetBrowserContext(), GetURL());
 }
 
 WebUI* WebContentsImpl::GetWebUIForCurrentState() {
   // When there is a pending navigation entry, we want to use the pending WebUI
   // that goes along with it to control the basic flags. For example, we want to
   // show the pending URL in the URL bar, so we want the display_url flag to
   // be from the pending entry.
   //
   // The confusion comes because there are multiple possibilities for the
   // initial load in a tab as a side effect of the way the RenderViewHostManager
@@ skipping 1526 matching lines @@
 
 BrowserPluginGuest* WebContentsImpl::GetBrowserPluginGuest() {
   return browser_plugin_guest_.get();
 }
 
 BrowserPluginEmbedder* WebContentsImpl::GetBrowserPluginEmbedder() {
   return browser_plugin_embedder_.get();
 }
 
 }  // namespace content