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// Copyright (c) 2010 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_STATUS_ICONS_STATUS_TRAY_H_
#define CHROME_BROWSER_STATUS_ICONS_STATUS_TRAY_H_
#include "base/hash_tables.h"
#include "base/scoped_ptr.h"
class StatusIcon;
// Factory interface for creating icons to improve testability.
class StatusIconFactory {
public:
virtual StatusIcon* CreateIcon() = 0;
virtual ~StatusIconFactory() { }
};
// Provides a cross-platform interface to the system's status tray, and exposes
// APIs to add/remove icons to the tray and attach context menus.
class StatusTray {
public:
// Takes ownership of |factory|.
explicit StatusTray(StatusIconFactory* factory);
~StatusTray();
// Gets the current status icon associated with this identifier, or creates
// a new one if none exists. The StatusTray retains ownership of the
// StatusIcon. Returns NULL if the status tray icon could not be created.
StatusIcon* GetStatusIcon(const string16& identifier);
// Removes the current status icon associated with this identifier, if any.
void RemoveStatusIcon(const string16& identifier);
private:
typedef base::hash_map<string16, StatusIcon*> StatusIconMap;
// Map containing all active StatusIcons.
// Key: String identifiers (passed in to GetStatusIcon)
// Value: The StatusIcon associated with that identifier (strong pointer -
// StatusIcons are freed when the StatusTray destructor is called).
StatusIconMap status_icons_;
scoped_ptr<StatusIconFactory> factory_;
};
#endif // CHROME_BROWSER_STATUS_ICONS_STATUS_TRAY_H_
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