Home | History | Annotate | Download | only in uber 
      1 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
      2 // Use of this source code is governed by a BSD-style license that can be
      3 // found in the LICENSE file.
      4 
      5 #ifndef CHROME_BROWSER_UI_WEBUI_UBER_UBER_UI_H_
      6 #define CHROME_BROWSER_UI_WEBUI_UBER_UBER_UI_H_
      7 
      8 #include <string>
      9 
     10 #include "base/memory/scoped_vector.h"
     11 #include "base/values.h"
     12 #include "chrome/browser/profiles/profile.h"
     13 #include "content/public/browser/notification_observer.h"
     14 #include "content/public/browser/notification_registrar.h"
     15 #include "content/public/browser/web_ui_controller.h"
     16 
     17 // The WebUI class for the uber page (chrome://chrome). It manages the UI for
     18 // the uber page (navigation bar and so forth) as well as WebUI objects for
     19 // pages that appear in the uber page.
     20 class UberUI : public content::WebUIController {
     21  public:
     22   explicit UberUI(content::WebUI* web_ui);
     23   virtual ~UberUI();
     24 
     25   // WebUIController implementation.
     26   virtual bool OverrideHandleWebUIMessage(const GURL& source_url,
     27                                           const std::string& message,
     28                                           const ListValue& args) OVERRIDE;
     29 
     30   // We forward these to |sub_uis_|.
     31   virtual void RenderViewCreated(
     32       content::RenderViewHost* render_view_host) OVERRIDE;
     33   virtual void RenderViewReused(
     34       content::RenderViewHost* render_view_host) OVERRIDE;
     35 
     36  private:
     37   // A map from URL origin to WebUI instance.
     38   typedef std::map<std::string, content::WebUI*> SubpageMap;
     39 
     40   // Creates and stores a WebUI for the given URL.
     41   void RegisterSubpage(const std::string& page_url);
     42 
     43   // The WebUI*s in this map are owned.
     44   SubpageMap sub_uis_;
     45 
     46   DISALLOW_COPY_AND_ASSIGN(UberUI);
     47 };
     48 
     49 class UberFrameUI : public content::NotificationObserver,
     50                     public content::WebUIController {
     51  public:
     52   explicit UberFrameUI(content::WebUI* web_ui);
     53   virtual ~UberFrameUI();
     54 
     55  private:
     56   // content::NotificationObserver implementation.
     57   virtual void Observe(int type,
     58                        const content::NotificationSource& source,
     59                        const content::NotificationDetails& details) OVERRIDE;
     60 
     61   content::NotificationRegistrar registrar_;
     62 
     63   DISALLOW_COPY_AND_ASSIGN(UberFrameUI);
     64 };
     65 
     66 #endif  // CHROME_BROWSER_UI_WEBUI_UBER_UBER_UI_H_
     67