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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CHROME_BROWSER_UI_GTK_WEBSITE_SETTINGS_PERMISSION_SELECTOR_H_
#define CHROME_BROWSER_UI_GTK_WEBSITE_SETTINGS_PERMISSION_SELECTOR_H_
#include "base/basictypes.h"
#include "base/compiler_specific.h"
#include "base/observer_list.h"
#include "chrome/browser/ui/gtk/website_settings/permission_selector_observer.h"
#include "chrome/common/content_settings.h"
#include "chrome/common/content_settings_types.h"
#include "ui/base/gtk/gtk_signal.h"
class GtkThemeService;
typedef struct _GParamSpec GParamSpec;
typedef struct _GtkWidget GtkWidget;
// The class |PermissionSelector| allows to change the permission |setting| of a
// given permission |type|.
class PermissionSelector {
public:
// Creates a |PermissionSelector| for the given permission |type|. |setting|
// is the current permissions setting. It is possible to pass
// |CONTENT_SETTING_DEFAULT| as value for |setting|. |default_setting| is the
// effective default setting for the given permission |type|. It is not
// allowed to pass |CONTENT_SETTING_DEFAULT| as value for |default_setting|.
PermissionSelector(GtkThemeService* theme_service_,
ContentSettingsType type,
ContentSetting setting,
ContentSetting default_setting);
~PermissionSelector();
// Creates the UI for the |PermissionSelector| and returns the widget that
// contains the UI elements. The ownership of the widget is transfered to the
// caller.
GtkWidget* CreateUI();
// Adds an |observer|.
void AddObserver(PermissionSelectorObserver* observer);
// Returns the current permission setting.
ContentSetting setting() const { return setting_; }
// Returns the permissions type.
ContentSettingsType type() const { return type_; }
private:
CHROMEGTK_CALLBACK_0(PermissionSelector, void, OnPermissionChanged);
CHROMEGTK_CALLBACK_1(PermissionSelector, void, OnComboBoxShown, GParamSpec*);
GtkThemeService* theme_service_;
// The permission type.
ContentSettingsType type_;
// The current permission setting.
ContentSetting setting_;
// The effective default setting. This is required to create the proper UI
// string for the default setting.
ContentSetting default_setting_;
// The permission type icon. The icon is changed depending on the selected
// setting.
// Owned by the widget hierarchy created by the CreateUI method.
GtkWidget* icon_;
ObserverList<PermissionSelectorObserver, false> observer_list_;
DISALLOW_COPY_AND_ASSIGN(PermissionSelector);
};
#endif // CHROME_BROWSER_UI_GTK_WEBSITE_SETTINGS_PERMISSION_SELECTOR_H_
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