athena/content/app_activity.h

   1 // Copyright 2014 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 ATHENA_CONTENT_APP_ACTIVITY_H_
   6 #define ATHENA_CONTENT_APP_ACTIVITY_H_
   7
   8 #include "athena/activity/public/activity.h"
   9 #include "athena/activity/public/activity_view_model.h"
  10 #include "athena/content/app_activity_proxy.h"
  11 #include "base/memory/scoped_ptr.h"
  12 #include "content/public/browser/web_contents_observer.h"
  13
  14 namespace views {
  15 class WebView;
  16 }
  17
  18 namespace athena {
  19
  20 class AppActivityRegistry;
  21 class ContentProxy;
  22
  23 // The activity object for a hosted V2 application.
  24 class AppActivity : public Activity,
  25                     public ActivityViewModel,
  26                     public content::WebContentsObserver {
  27  public:
  28   AppActivity(const std::string& app_id, views::WebView* web_view);
  29
  30   // Gets the content proxy so that the AppActivityProxy can take it over.
  31   scoped_ptr<ContentProxy> GetContentProxy();
  32
  33   // Activity:
  34   virtual athena::ActivityViewModel* GetActivityViewModel() override;
  35   virtual void SetCurrentState(Activity::ActivityState state) override;
  36   virtual ActivityState GetCurrentState() override;
  37   virtual bool IsVisible() override;
  38   virtual ActivityMediaState GetMediaState() override;
  39   virtual aura::Window* GetWindow() override;
  40   virtual content::WebContents* GetWebContents() override;
  41
  42   // ActivityViewModel:
  43   virtual void Init() override;
  44   virtual SkColor GetRepresentativeColor() const override;
  45   virtual base::string16 GetTitle() const override;
  46   virtual gfx::ImageSkia GetIcon() const override;
  47   virtual bool UsesFrame() const override;
  48   virtual views::Widget* CreateWidget() override;
  49   virtual views::View* GetContentsView() override;
  50   virtual gfx::ImageSkia GetOverviewModeImage() override;
  51   virtual void PrepareContentsForOverview() override;
  52   virtual void ResetContentsView() override;
  53
  54  protected:
  55   // Constructor for test.
  56   explicit AppActivity(const std::string& app_id);
  57
  58   virtual ~AppActivity();
  59
  60  private:
  61  // content::WebContentsObserver:
  62   virtual void TitleWasSet(content::NavigationEntry* entry,
  63                            bool explicit_set) override;
  64   virtual void DidUpdateFaviconURL(
  65       const std::vector<content::FaviconURL>& candidates) override;
  66
  67   // Register this activity with its application.
  68   void RegisterActivity();
  69
  70   // Hiding the contet proxy and showing the real content instead.
  71   void HideContentProxy();
  72
  73   // Showing a content proxy instead of the real content to save resources.
  74   void ShowContentProxy();
  75
  76   const std::string app_id_;
  77
  78   views::WebView* web_view_;
  79
  80   // The current state for this activity.
  81   ActivityState current_state_;
  82
  83   // If known the registry which holds all activities for the associated app.
  84   // This object is owned by |AppRegistry| and will be a valid pointer as long
  85   // as this object lives.
  86   AppActivityRegistry* app_activity_registry_;
  87
  88   // The content proxy.
  89   scoped_ptr<ContentProxy> content_proxy_;
  90
  91   DISALLOW_COPY_AND_ASSIGN(AppActivity);
  92 };
  93
  94 }  // namespace athena
  95
  96 #endif  // ATHENA_CONTENT_APP_ACTIVITY_H_