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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.
#ifndef CHROME_BROWSER_UI_TABS_TAB_STRIP_API_EVENTS_EVENT_TRANSFORMATION_H_
#define CHROME_BROWSER_UI_TABS_TAB_STRIP_API_EVENTS_EVENT_TRANSFORMATION_H_
#include "chrome/browser/ui/tabs/tab_strip_api/adapters/tab_strip_model_adapter.h"
#include "chrome/browser/ui/tabs/tab_strip_api/events/event.h"
#include "chrome/browser/ui/tabs/tab_strip_api/tab_strip_api.mojom.h"
#include "chrome/browser/ui/tabs/tab_strip_model_observer.h"
#include "components/tab_groups/tab_group_id.h"
namespace tabs_api::events {
// Utilities to convert external observation event types to native event::Event
// types. Unfortunately, external event types are not always easy to test, so
// some of the conversions are not covered by unit tests and must be covered in
// integration tests.
mojom::OnTabsCreatedEventPtr ToEvent(const TabStripModelChange::Insert& insert,
TabStripModel* tab_strip_model);
mojom::OnTabsClosedEventPtr ToEvent(const TabStripModelChange::Remove& remove);
mojom::OnTabMovedEventPtr ToEvent(const TabStripModelChange::Move& move);
mojom::OnTabDataChangedEventPtr ToEvent(
const tabs_api::TabStripModelAdapter* adapter,
size_t index,
TabChangeType change_type);
// When a tab group is opened, there're multiple events fired from
// TabStripModelObserver. The following functions convert them to TabStripAPI
// events.
// 1. TabGroupChange with type kCreated => OnTabGroupCreatedEvent
// This event is fired when a tab group is created. At this point, the
// TabGroupTabCollection and the visual data are empty.
// 2. TabGroupChange with type kVisualsChanged => OnTabGroupVisualsChangedEvent
// This event is fired when the visual data (color, title, etc.) of a tab
// group is changed.
// 3. TabGroupedStateChanged() => OnTabMovedEvent
// this event updates the affiliation of a tab with a group.
mojom::OnTabGroupCreatedEventPtr ToTabGroupCreatedEvent(
const TabGroupChange& tab_group_change);
mojom::OnTabMovedEventPtr FromTabGroupedStateChangedToTabMovedEvent(
TabStripModel* tab_strip_model,
std::optional<tab_groups::TabGroupId> old_group,
std::optional<tab_groups::TabGroupId> new_group,
tabs::TabInterface* tab,
int index);
mojom::OnTabGroupVisualsChangedEventPtr ToTabGroupVisualsChangedEvent(
const TabGroupChange& tab_group_change);
} // namespace tabs_api::events
#endif // CHROME_BROWSER_UI_TABS_TAB_STRIP_API_EVENTS_EVENT_TRANSFORMATION_H_
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