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// Copyright 2014 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_TOOLBAR_APP_MENU_ICON_CONTROLLER_H_
#define CHROME_BROWSER_UI_TOOLBAR_APP_MENU_ICON_CONTROLLER_H_
#include "base/macros.h"
#include "content/public/browser/notification_details.h"
#include "content/public/browser/notification_observer.h"
#include "content/public/browser/notification_registrar.h"
#include "content/public/browser/notification_service.h"
#if defined(OS_WIN)
#include "chrome/browser/win/enumerate_modules_model.h"
#endif
class Profile;
// AppMenuIconController encapsulates the logic for badging the app menu icon
// as a result of various events - such as available updates, errors, etc.
class AppMenuIconController :
#if defined(OS_WIN)
public EnumerateModulesModel::Observer,
#endif
public content::NotificationObserver {
public:
enum class IconType {
NONE,
UPGRADE_NOTIFICATION,
GLOBAL_ERROR,
INCOMPATIBILITY_WARNING,
};
enum class Severity {
NONE,
LOW,
MEDIUM,
HIGH,
};
// Delegate interface for receiving icon update notifications.
class Delegate {
public:
// Notifies the UI to update the icon to have the specified |severity|, as
// well as specifying whether it should |animate|. The |type| parameter
// specifies the type of change (i.e. the source of the notification).
virtual void UpdateSeverity(IconType type,
Severity severity,
bool animate) = 0;
protected:
virtual ~Delegate() {}
};
// Creates an instance of this class for the given |profile| that will notify
// |delegate| of updates.
AppMenuIconController(Profile* profile, Delegate* delegate);
~AppMenuIconController() override;
// Forces an update of the UI based on the current state of the world. This
// will check whether there are any current pending updates, global errors,
// etc. and based on that information trigger an appropriate call to the
// delegate.
void UpdateDelegate();
private:
// content::NotificationObserver:
void Observe(int type,
const content::NotificationSource& source,
const content::NotificationDetails& details) override;
#if defined(OS_WIN)
// EnumerateModulesModel:
void OnScanCompleted() override;
void OnConflictsAcknowledged() override;
#endif
Profile* profile_;
Delegate* delegate_;
content::NotificationRegistrar registrar_;
DISALLOW_COPY_AND_ASSIGN(AppMenuIconController);
};
#endif // CHROME_BROWSER_UI_TOOLBAR_APP_MENU_ICON_CONTROLLER_H_
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