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_GTK_WEBSITE_SETTINGS_PERMISSION_SELECTOR_H_
6#define CHROME_BROWSER_UI_GTK_WEBSITE_SETTINGS_PERMISSION_SELECTOR_H_
7
8#include <gtk/gtk.h>
9
10#include "base/basictypes.h"
11#include "base/compiler_specific.h"
12#include "base/memory/scoped_ptr.h"
13#include "base/observer_list.h"
14#include "chrome/browser/ui/website_settings/permission_menu_model.h"
15#include "chrome/browser/ui/gtk/website_settings/permission_selector_observer.h"
16#include "chrome/common/content_settings.h"
17#include "chrome/common/content_settings_types.h"
18#include "ui/base/gtk/gtk_signal.h"
19
20class MenuGtk;
21class GtkThemeService;
22
23// The class |PermissionSelector| allows to change the permission |setting| of a
24// given permission |type|.
25class PermissionSelector : public PermissionMenuModel::Delegate {
26 public:
27  // Creates a |PermissionSelector| for the given permission |type|. |setting|
28  // is the current permissions setting. It is possible to pass
29  // |CONTENT_SETTING_DEFAULT| as value for |setting|. |default_setting| is the
30  // effective default setting for the given permission |type|. It is not
31  // allowed to pass |CONTENT_SETTING_DEFAULT| as value for |default_setting|.
32  PermissionSelector(GtkThemeService* theme_service,
33                     const GURL& url,
34                     ContentSettingsType type,
35                     ContentSetting setting,
36                     ContentSetting default_setting,
37                     content_settings::SettingSource source);
38  virtual ~PermissionSelector();
39
40  // Returns the container widget that contains all |PermissionSelector| UI
41  // widgets.
42  GtkWidget* widget() { return widget_; }
43
44  // Adds an |observer|.
45  void AddObserver(PermissionSelectorObserver* observer);
46
47  // Returns the current permission setting.
48  ContentSetting GetSetting() const;
49
50  // Returns the permissions type.
51  ContentSettingsType GetType() const;
52
53 private:
54  // Gtk callback to intercept mouse clicks to the menu buttons.
55  CHROMEGTK_CALLBACK_1(PermissionSelector, gboolean, OnMenuButtonPressEvent,
56                       GdkEventButton*);
57
58  // PermissionMenuModel::Delegate implementation.
59  virtual void ExecuteCommand(int command_id) OVERRIDE;
60  virtual bool IsCommandIdChecked(int command_id) OVERRIDE;
61
62  // The container widget that contains the PermissionSelecter UI widgets.
63  GtkWidget* widget_;  // Owned by the widget hierarchy.
64
65  // The button that toggles the permission |menu_|.
66  GtkWidget* menu_button_;  // Owned by the widget hierarchy.
67
68  // The menu that provides the permission settings.
69  scoped_ptr<MenuGtk> menu_;
70
71  // The model for the permission |menu_|.
72  scoped_ptr<PermissionMenuModel> menu_model_;
73
74  // The permission type icon. The icon is changed depending on the selected
75  // setting.
76  // Owned by the widget hierarchy created by the CreateUI method.
77  GtkWidget* icon_;
78
79  // The site permission (the |ContentSettingsType|) for which the menu model
80  // provides settings.
81  ContentSettingsType type_;
82
83  // The global default setting for the permission |type_|.
84  ContentSetting default_setting_;
85
86  // The currently active setting for the permission |type_|.
87  ContentSetting setting_;
88
89  ObserverList<PermissionSelectorObserver, false> observer_list_;
90
91  DISALLOW_COPY_AND_ASSIGN(PermissionSelector);
92};
93
94#endif  // CHROME_BROWSER_UI_GTK_WEBSITE_SETTINGS_PERMISSION_SELECTOR_H_
95