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// Copyright 2023 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/overscroll_pref_manager.h"
#include "base/feature_list.h"
#include "chrome/browser/browser_process.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "chrome/common/pref_names.h"
#include "components/prefs/pref_service.h"
#include "content/public/browser/web_contents.h"
#include "content/public/common/content_features.h"
OverscrollPrefManager::OverscrollPrefManager(TabStripModel* tab_strip_model,
bool is_type_devtools)
: tab_strip_model_(tab_strip_model), is_type_devtools_(is_type_devtools) {
PrefService* local_state = g_browser_process->local_state();
if (local_state) {
overscroll_history_navigation_enabled_ =
local_state->GetBoolean(prefs::kOverscrollHistoryNavigationEnabled);
local_state_pref_registrar_.Init(local_state);
local_state_pref_registrar_.Add(
prefs::kOverscrollHistoryNavigationEnabled,
base::BindRepeating(
&OverscrollPrefManager::OnOverscrollHistoryNavigationEnabledChanged,
base::Unretained(this)));
}
}
OverscrollPrefManager::~OverscrollPrefManager() = default;
void OverscrollPrefManager::OnOverscrollHistoryNavigationEnabledChanged() {
overscroll_history_navigation_enabled_ =
g_browser_process->local_state()->GetBoolean(
prefs::kOverscrollHistoryNavigationEnabled);
for (int tab_index = 0; tab_index < tab_strip_model_->count(); ++tab_index) {
content::WebContents* web_contents =
tab_strip_model_->GetWebContentsAt(tab_index);
web_contents->SetOverscrollNavigationEnabled(
overscroll_history_navigation_enabled_);
}
}
bool OverscrollPrefManager::CanOverscrollContent() const {
return !is_type_devtools_ && overscroll_history_navigation_enabled_ &&
base::FeatureList::IsEnabled(features::kOverscrollHistoryNavigation);
}
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