app_activity.h revision 1320f92c476a1ad9d19dba2a48c72b75566198e9 
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
14namespace extensions {
15class AppWindow;
16}
17
18namespace views {
19class WebView;
20}
21
22namespace athena {
23
24class AppActivityRegistry;
25class ContentProxy;
26
27// The activity object for a hosted V2 application.
28// TODO(oshima): Move this to athena/extensions
29class AppActivity : public Activity,
30                    public ActivityViewModel,
31                    public content::WebContentsObserver {
32 public:
33  AppActivity(extensions::AppWindow* app_window, views::WebView* web_view);
34
35  // Gets the content proxy so that the AppActivityProxy can take it over.
36  scoped_ptr<ContentProxy> GetContentProxy();
37
38  // Activity:
39  virtual athena::ActivityViewModel* GetActivityViewModel() OVERRIDE;
40  virtual void SetCurrentState(Activity::ActivityState state) OVERRIDE;
41  virtual ActivityState GetCurrentState() OVERRIDE;
42  virtual bool IsVisible() OVERRIDE;
43  virtual ActivityMediaState GetMediaState() OVERRIDE;
44  virtual aura::Window* GetWindow() OVERRIDE;
45  virtual content::WebContents* GetWebContents() OVERRIDE;
46
47  // ActivityViewModel:
48  virtual void Init() OVERRIDE;
49  virtual SkColor GetRepresentativeColor() const OVERRIDE;
50  virtual base::string16 GetTitle() const OVERRIDE;
51  virtual gfx::ImageSkia GetIcon() const OVERRIDE;
52  virtual bool UsesFrame() const OVERRIDE;
53  virtual views::Widget* CreateWidget() OVERRIDE;
54  virtual views::View* GetContentsView() OVERRIDE;
55  virtual gfx::ImageSkia GetOverviewModeImage() OVERRIDE;
56  virtual void PrepareContentsForOverview() OVERRIDE;
57  virtual void ResetContentsView() OVERRIDE;
58
59 protected:
60  // Constructor for test.
61  explicit AppActivity(const std::string& app_id);
62
63  virtual ~AppActivity();
64
65 private:
66 // content::WebContentsObserver:
67  virtual void TitleWasSet(content::NavigationEntry* entry,
68                           bool explicit_set) OVERRIDE;
69  virtual void DidUpdateFaviconURL(
70      const std::vector<content::FaviconURL>& candidates) OVERRIDE;
71
72  // Register this activity with its application.
73  void RegisterActivity();
74
75  // Hiding the contet proxy and showing the real content instead.
76  void HideContentProxy();
77
78  // Showing a content proxy instead of the real content to save resources.
79  void ShowContentProxy();
80
81  const std::string app_id_;
82
83  views::WebView* web_view_;
84
85  // The current state for this activity.
86  ActivityState current_state_;
87
88  // If known the registry which holds all activities for the associated app.
89  // This object is owned by |AppRegistry| and will be a valid pointer as long
90  // as this object lives.
91  AppActivityRegistry* app_activity_registry_;
92
93  // The content proxy.
94  scoped_ptr<ContentProxy> content_proxy_;
95
96  DISALLOW_COPY_AND_ASSIGN(AppActivity);
97};
98
99}  // namespace athena
100
101#endif  // ATHENA_CONTENT_APP_ACTIVITY_H_
102