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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.
#include "components/global_media_controls/public/media_item_ui_observer_set.h"
namespace global_media_controls {
MediaItemUIObserverSet::MediaItemUIObserverSet(MediaItemUIObserver* owner)
: owner_(owner) {}
MediaItemUIObserverSet::~MediaItemUIObserverSet() {
for (auto item_ui_pair : observed_item_uis_)
item_ui_pair.second->RemoveObserver(this);
}
void MediaItemUIObserverSet::Observe(const std::string& id,
MediaItemUI* item_ui) {
// If there is an old MediaItemUI with the same ID not fully closed, stop
// observing it before adding the new one.
StopObserving(id);
item_ui->AddObserver(this);
observed_item_uis_[id] = item_ui;
}
void MediaItemUIObserverSet::StopObserving(const std::string& id) {
auto observed_item = observed_item_uis_.find(id);
if (observed_item != observed_item_uis_.end()) {
observed_item->second->RemoveObserver(this);
observed_item_uis_.erase(observed_item);
}
}
void MediaItemUIObserverSet::OnMediaItemUISizeChanged() {
owner_->OnMediaItemUISizeChanged();
}
void MediaItemUIObserverSet::OnMediaItemUIMetadataChanged() {
owner_->OnMediaItemUIMetadataChanged();
}
void MediaItemUIObserverSet::OnMediaItemUIActionsChanged() {
owner_->OnMediaItemUIActionsChanged();
}
void MediaItemUIObserverSet::OnMediaItemUIClicked(
const std::string& id,
bool activate_original_media) {
owner_->OnMediaItemUIClicked(id, activate_original_media);
}
void MediaItemUIObserverSet::OnMediaItemUIDismissed(const std::string& id) {
owner_->OnMediaItemUIDismissed(id);
}
void MediaItemUIObserverSet::OnMediaItemUIDestroyed(const std::string& id) {
owner_->OnMediaItemUIDestroyed(id);
observed_item_uis_.erase(id);
}
void MediaItemUIObserverSet::OnMediaItemUIShowDevices(const std::string& id) {
owner_->OnMediaItemUIShowDevices(id);
}
} // namespace global_media_controls
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