chrome/browser/ui/gtk/website_settings/permission_selector.h

   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
  20 class MenuGtk;
  21 class GtkThemeService;
  22
  23 // The class |PermissionSelector| allows to change the permission |setting| of a
  24 // given permission |type|.
  25 class 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_