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// Copyright 2012 The Chromium Authors
// 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 <memory>
#include <string>
#include <vector>
namespace gfx {
class ImageSkia;
}
class StatusIcon;
// 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:
enum StatusIconType {
NOTIFICATION_TRAY_ICON = 0,
MEDIA_STREAM_CAPTURE_ICON,
BACKGROUND_MODE_ICON,
GLIC_ICON,
OTHER_ICON,
NAMED_STATUS_ICON_COUNT
};
// Static factory method that is implemented separately for each platform to
// produce the appropriate platform-specific instance. Returns NULL if this
// platform does not support status icons.
static std::unique_ptr<StatusTray> Create();
StatusTray(const StatusTray&) = delete;
StatusTray& operator=(const StatusTray&) = delete;
virtual ~StatusTray();
// Creates a new StatusIcon. The StatusTray retains ownership of the
// StatusIcon. Returns NULL if the StatusIcon could not be created.
StatusIcon* CreateStatusIcon(StatusIconType type,
const gfx::ImageSkia& image,
const std::u16string& tool_tip);
// Removes |icon| from this status tray. Returns the `std::unique_ptr` to the
// icon so it can be cleaned up safely.
std::unique_ptr<StatusIcon> RemoveStatusIcon(StatusIcon* icon);
// Checks if a status icon of a specific type exists in the status tray.
bool HasStatusIconOfTypeForTesting(StatusIconType type) const;
protected:
struct StatusIconWithType {
StatusIconWithType(std::unique_ptr<StatusIcon> status_icon,
StatusIconType status_icon_type);
StatusIconWithType(StatusIconWithType&& other) noexcept;
StatusIconWithType& operator=(StatusIconWithType&& other) noexcept;
~StatusIconWithType();
std::unique_ptr<StatusIcon> icon;
StatusIconType type;
};
using StatusIcons = std::vector<StatusIconWithType>;
StatusTray();
// Factory method for creating a status icon for this platform.
virtual std::unique_ptr<StatusIcon> CreatePlatformStatusIcon(
StatusIconType type,
const gfx::ImageSkia& image,
const std::u16string& tool_tip) = 0;
// Returns the list of active status icons so subclasses can operate on them.
const StatusIcons& status_icons() const { return status_icons_; }
private:
// List containing all active StatusIcons, paired with their type. The icons
// are owned by this StatusTray.
StatusIcons status_icons_;
};
#endif // CHROME_BROWSER_STATUS_ICONS_STATUS_TRAY_H_
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