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// Copyright 2024 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/performance_controls/tab_list_model.h"
#include <algorithm>
#include <vector>
#include "components/performance_manager/public/resource_attribution/page_context.h"
TabListModel::TabListModel(
const std::vector<resource_attribution::PageContext>& page_contexts)
: page_contexts_(page_contexts) {}
TabListModel::~TabListModel() = default;
void TabListModel::AddObserver(Observer* observer) {
tab_list_model_observers_.AddObserver(observer);
}
void TabListModel::RemoveObserver(Observer* observer) {
tab_list_model_observers_.RemoveObserver(observer);
}
void TabListModel::RemovePageContext(resource_attribution::PageContext tab) {
auto it = std::find(page_contexts_.begin(), page_contexts_.end(), tab);
if (it != page_contexts_.end()) {
page_contexts_.erase(it);
for (auto& observer : tab_list_model_observers_) {
observer.OnTabCountChanged(page_contexts_.size());
}
}
}
std::vector<resource_attribution::PageContext> TabListModel::page_contexts() {
return page_contexts_;
}
int TabListModel::count() {
return page_contexts_.size();
}
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