balloon_view.h revision c407dc5cd9bdc5668497f21b26b09d988ab439de 
1// Copyright (c) 2010 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// Draws the view for the balloons.
6
7#ifndef CHROME_BROWSER_CHROMEOS_NOTIFICATIONS_BALLOON_VIEW_H_
8#define CHROME_BROWSER_CHROMEOS_NOTIFICATIONS_BALLOON_VIEW_H_
9
10#include "base/basictypes.h"
11#include "base/scoped_ptr.h"
12#include "base/task.h"
13#include "chrome/browser/notifications/balloon.h"
14#include "chrome/common/notification_registrar.h"
15#include "chrome/common/notification_service.h"
16#include "gfx/path.h"
17#include "gfx/point.h"
18#include "gfx/rect.h"
19#include "gfx/size.h"
20#include "views/view.h"
21
22namespace views {
23class Menu2;
24class MenuButton;
25class MouseEvent;
26class TextButton;
27class WidgetGtk;
28}  // namespace views
29
30class BalloonViewHost;
31class Notification;
32class NotificationDetails;
33class NotificationSource;
34
35namespace chromeos {
36
37class NotificationControlView;
38
39// A balloon view is the UI component for a notification panel.
40class BalloonViewImpl : public BalloonView,
41                        public views::View,
42                        public NotificationObserver {
43 public:
44  BalloonViewImpl(bool sticky, bool controls);
45  ~BalloonViewImpl();
46
47  // views::View interface.
48  virtual void Layout();
49  virtual void ViewHierarchyChanged(bool is_add, View* parent, View* child);
50
51  // BalloonView interface.
52  virtual void Show(Balloon* balloon);
53  virtual void Update();
54  virtual void Close(bool by_user);
55  virtual void RepositionToBalloon();
56  gfx::Size GetSize() const;
57  virtual BalloonHost* GetHost() const;
58
59  // True if the notification is stale. False if the notification is new.
60  bool stale() const { return stale_; }
61
62  // Makes the notification stale.
63  void set_stale() { stale_ = true; }
64
65  // True if the notification is sticky.
66  bool sticky() const { return sticky_; }
67
68  // True if the notification is being closed.
69  bool closed() const { return closed_; }
70
71  // True if the balloon is for the given |notification|.
72  bool IsFor(const Notification& notification) const;
73
74  // Called when the notification becomes active (mouse is on).
75  void Activated();
76
77  // Called when the notification becomes inactive.
78  void Deactivated();
79
80 private:
81  friend class NotificationControlView;
82
83  // views::View interface.
84  virtual gfx::Size GetPreferredSize() {
85    return gfx::Size(1000, 1000);
86  }
87
88  // NotificationObserver interface.
89  virtual void Observe(NotificationType type,
90                       const NotificationSource& source,
91                       const NotificationDetails& details);
92
93  // Initializes the options menu.
94  void CreateOptionsMenu();
95
96  // Do the delayed close work.
97  void DelayedClose(bool by_user);
98
99  // Denies the permission to show the ballooon from its source.
100  void DenyPermission();
101
102  // Returns the renderer's native view.
103  gfx::NativeView GetParentNativeView();
104
105  // Non-owned pointer to the balloon which owns this object.
106  Balloon* balloon_;
107
108  // The renderer of the HTML contents. Pointer owned by the views hierarchy.
109  BalloonViewHost* html_contents_;
110
111  // The following factory is used to call methods at a later time.
112  ScopedRunnableMethodFactory<BalloonViewImpl> method_factory_;
113
114  // A widget for ControlView.
115  scoped_ptr<views::WidgetGtk> control_view_host_;
116
117  bool stale_;
118  NotificationRegistrar notification_registrar_;
119  // A sticky flag. A sticky notification cannot be dismissed by a user.
120  bool sticky_;
121  // True if a notification should have info/option/dismiss label/buttons.
122  bool controls_;
123  // True if the notification is being closed.
124  bool closed_;
125
126  DISALLOW_COPY_AND_ASSIGN(BalloonViewImpl);
127};
128
129}  // namespace chromeos
130
131#endif  // CHROME_BROWSER_CHROMEOS_NOTIFICATIONS_BALLOON_VIEW_H_
132