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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/glic/host/context/glic_sharing_manager_impl.h"
#include "chrome/browser/glic/glic_metrics.h"
#include "chrome/browser/glic/glic_pref_names.h"
#include "chrome/browser/glic/host/context/glic_page_context_fetcher.h"
#include "chrome/browser/glic/host/context/glic_tab_data.h"
#include "chrome/browser/glic/host/glic_features.mojom.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/common/webui_url_constants.h"
#include "components/prefs/pref_service.h"
#include "content/public/common/url_constants.h"
namespace glic {
GlicSharingManagerImpl::GlicSharingManagerImpl(
Profile* profile,
GlicWindowController* window_controller,
Host* host,
GlicMetrics* metrics)
: focused_tab_manager_(window_controller, this),
pinned_tab_manager_(this),
profile_(profile),
window_controller_(*window_controller),
// We allow allow blank pages to avoid flicker during transitions.
url_allow_list_({GURL(), GURL("about:blank"),
GURL(chrome::kChromeUINewTabPageThirdPartyURL),
GURL(chrome::kChromeUINewTabPageURL),
GURL(chrome::kChromeUINewTabURL),
GURL(chrome::kChromeUIWhatsNewURL)}),
metrics_(metrics) {}
GlicSharingManagerImpl::~GlicSharingManagerImpl() = default;
base::CallbackListSubscription
GlicSharingManagerImpl::AddFocusedTabChangedCallback(
FocusedTabChangedCallback callback) {
return focused_tab_manager_.AddFocusedTabChangedCallback(std::move(callback));
}
FocusedTabData GlicSharingManagerImpl::GetFocusedTabData() {
return focused_tab_manager_.GetFocusedTabData();
}
base::CallbackListSubscription
GlicSharingManagerImpl::AddTabPinningStatusChangedCallback(
TabPinningStatusChangedCallback callback) {
return pinned_tab_manager_.AddTabPinningStatusChangedCallback(
std::move(callback));
}
bool GlicSharingManagerImpl::PinTabs(
base::span<const tabs::TabHandle> tab_handles) {
CHECK(base::FeatureList::IsEnabled(glic::mojom::features::kGlicMultiTab));
return pinned_tab_manager_.PinTabs(tab_handles);
}
bool GlicSharingManagerImpl::UnpinTabs(
base::span<const tabs::TabHandle> tab_handles) {
CHECK(base::FeatureList::IsEnabled(glic::mojom::features::kGlicMultiTab));
return pinned_tab_manager_.UnpinTabs(tab_handles);
}
void GlicSharingManagerImpl::UnpinAllTabs() {
pinned_tab_manager_.UnpinAllTabs();
}
int32_t GlicSharingManagerImpl::GetMaxPinnedTabs() const {
return pinned_tab_manager_.GetMaxPinnedTabs();
}
int32_t GlicSharingManagerImpl::GetNumPinnedTabs() const {
return pinned_tab_manager_.GetNumPinnedTabs();
}
bool GlicSharingManagerImpl::IsTabPinned(tabs::TabHandle tab_handle) const {
return pinned_tab_manager_.IsTabPinned(tab_handle);
}
base::CallbackListSubscription
GlicSharingManagerImpl::AddFocusedTabDataChangedCallback(
FocusedTabDataChangedCallback callback) {
return focused_tab_manager_.AddFocusedTabDataChangedCallback(
std::move(callback));
}
base::CallbackListSubscription
GlicSharingManagerImpl::AddPinnedTabsChangedCallback(
PinnedTabsChangedCallback callback) {
return pinned_tab_manager_.AddPinnedTabsChangedCallback(std::move(callback));
}
base::CallbackListSubscription
GlicSharingManagerImpl::AddPinnedTabDataChangedCallback(
PinnedTabDataChangedCallback callback) {
return pinned_tab_manager_.AddPinnedTabDataChangedCallback(
std::move(callback));
}
int32_t GlicSharingManagerImpl::SetMaxPinnedTabs(uint32_t max_pinned_tabs) {
return pinned_tab_manager_.SetMaxPinnedTabs(max_pinned_tabs);
}
void GlicSharingManagerImpl::GetContextFromTab(
tabs::TabHandle tab_handle,
const mojom::GetTabContextOptions& options,
base::OnceCallback<void(glic::mojom::GetContextResultPtr)> callback) {
if (!profile_->GetPrefs()->GetBoolean(prefs::kGlicTabContextEnabled) ||
!window_controller_->IsShowing()) {
std::move(callback).Run(mojom::GetContextResult::NewErrorReason(
std::string("permission denied")));
return;
}
auto* tab = tab_handle.Get();
if (!tab) {
std::move(callback).Run(
mojom::GetContextResult::NewErrorReason(std::string("tab not found")));
return;
}
const bool is_focused = focused_tab_manager_.IsTabFocused(tab_handle);
const bool is_pinned = pinned_tab_manager_.IsTabPinned(tab_handle);
const bool is_shared = is_focused || is_pinned;
if (!is_shared || !IsValidCandidateForSharing(tab->GetContents())) {
std::move(callback).Run(mojom::GetContextResult::NewErrorReason(
std::string("permission denied")));
return;
}
if (is_focused) {
metrics_->DidRequestContextFromFocusedTab();
} else {
// TODO(b/422240100): Handle metrics for pinned tabs.
}
FetchPageContext(tab, options,
/*include_actionable_data=*/false, std::move(callback));
}
bool GlicSharingManagerImpl::IsBrowserValidForSharing(
BrowserWindowInterface* browser_interface) {
if (!browser_interface) {
return false;
}
if (browser_interface->GetProfile() != profile_) {
return false;
}
if (browser_interface->GetProfile()->IsOffTheRecord()) {
return false;
}
return true;
}
bool GlicSharingManagerImpl::IsValidCandidateForSharing(
content::WebContents* web_contents) {
if (!web_contents) {
return false;
}
auto url = web_contents->GetLastCommittedURL();
return url.SchemeIsHTTPOrHTTPS() || url.SchemeIsFile() ||
url_allow_list_.contains(url);
}
std::vector<content::WebContents*> GlicSharingManagerImpl::GetPinnedTabs()
const {
return pinned_tab_manager_.GetPinnedTabs();
}
} // namespace glic
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