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// Copyright 2025 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/tabs/tab_strip_api/event_broadcaster.h"
namespace tabs_api {
// A decoder which takes the incoming event type and directs them to the proper
// callback.
class EventVisitor {
public:
explicit EventVisitor(
const mojo::AssociatedRemote<tabs_api::mojom::TabsObserver>* target)
: target_(target) {}
void operator()(const mojom::OnTabsCreatedEventPtr& event) {
(*target_)->OnTabsCreated(event.Clone());
}
void operator()(const mojom::OnTabsClosedEventPtr& event) {
(*target_)->OnTabsClosed(event.Clone());
}
void operator()(const mojom::OnTabMovedEventPtr& event) {
(*target_)->OnTabMoved(event.Clone());
}
void operator()(const mojom::OnTabDataChangedEventPtr& event) {
(*target_)->OnTabDataChanged(event.Clone());
}
void operator()(const mojom::OnTabGroupCreatedEventPtr& event) {
(*target_)->OnTabGroupCreated(event.Clone());
}
void operator()(const mojom::OnTabGroupVisualsChangedEventPtr& event) {
(*target_)->OnTabGroupVisualsChanged(event.Clone());
}
private:
raw_ptr<const mojo::AssociatedRemote<tabs_api::mojom::TabsObserver>> target_;
};
void EventBroadcaster::Broadcast(
const mojo::AssociatedRemoteSet<tabs_api::mojom::TabsObserver>& targets,
const events::Event& event) {
for (auto& target : targets) {
EventVisitor visitor(&target);
std::visit(visitor, event);
}
}
} // namespace tabs_api
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