| // 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); |
| } |