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// Copyright 2021 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef COMPONENTS_GLOBAL_MEDIA_CONTROLS_PUBLIC_MEDIA_ITEM_UI_OBSERVER_SET_H_
#define COMPONENTS_GLOBAL_MEDIA_CONTROLS_PUBLIC_MEDIA_ITEM_UI_OBSERVER_SET_H_
#include <map>
#include "base/component_export.h"
#include "base/memory/raw_ptr.h"
#include "components/global_media_controls/public/media_item_ui.h"
#include "components/global_media_controls/public/media_item_ui_observer.h"
namespace global_media_controls {
// A helper class that keeps track of and observes multiple MediaItemUIs on
// behalf of its owner.
class COMPONENT_EXPORT(GLOBAL_MEDIA_CONTROLS) MediaItemUIObserverSet
: public MediaItemUIObserver {
public:
explicit MediaItemUIObserverSet(MediaItemUIObserver* owner);
~MediaItemUIObserverSet() override;
MediaItemUIObserverSet(const MediaItemUIObserverSet&) = delete;
MediaItemUIObserverSet& operator=(const MediaItemUIObserverSet&) = delete;
void Observe(const std::string& id, MediaItemUI* item_ui);
void StopObserving(const std::string& id);
// MediaItemUIObserver:
void OnMediaItemUISizeChanged() override;
void OnMediaItemUIMetadataChanged() override;
void OnMediaItemUIActionsChanged() override;
void OnMediaItemUIClicked(const std::string& id,
bool activate_original_media) override;
void OnMediaItemUIDismissed(const std::string& id) override;
void OnMediaItemUIDestroyed(const std::string& id) override;
void OnMediaItemUIShowDevices(const std::string& id) override;
private:
const raw_ptr<MediaItemUIObserver> owner_;
std::map<std::string, raw_ptr<MediaItemUI, CtnExperimental>>
observed_item_uis_;
};
} // namespace global_media_controls
#endif // COMPONENTS_GLOBAL_MEDIA_CONTROLS_PUBLIC_MEDIA_ITEM_UI_OBSERVER_SET_H_
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