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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/supervised_user/chrome_supervised_user_web_content_handler_base.h"
#include "chrome/browser/supervised_user/supervised_user_interstitial_tab_closer.h"
#include "chrome/browser/supervised_user/supervised_user_navigation_observer.h"
#include "components/infobars/content/content_infobar_manager.h"
#include "components/infobars/core/infobar.h"
#include "content/public/browser/navigation_details.h"
#include "content/public/browser/navigation_entry.h"
#include "content/public/browser/web_contents.h"
ChromeSupervisedUserWebContentHandlerBase::
ChromeSupervisedUserWebContentHandlerBase(
content::WebContents* web_contents,
content::FrameTreeNodeId frame_id,
int64_t interstitial_navigation_id)
: web_contents_(web_contents),
frame_id_(frame_id),
interstitial_navigation_id_(interstitial_navigation_id) {
CHECK(web_contents_);
}
ChromeSupervisedUserWebContentHandlerBase::
~ChromeSupervisedUserWebContentHandlerBase() = default;
bool ChromeSupervisedUserWebContentHandlerBase::IsMainFrame() const {
return web_contents_->GetPrimaryMainFrame()->GetFrameTreeNodeId() ==
frame_id_;
}
void ChromeSupervisedUserWebContentHandlerBase::CleanUpInfoBarOnMainFrame() {
if (!IsMainFrame()) {
return;
}
infobars::ContentInfoBarManager* manager =
infobars::ContentInfoBarManager::FromWebContents(web_contents_);
if (!manager) {
return;
}
content::LoadCommittedDetails details;
// |details.is_same_document| is default false, and |details.is_main_frame|
// is default true. This results in is_navigation_to_different_page()
// returning true.
CHECK(details.is_navigation_to_different_page());
content::NavigationController& controller = web_contents_->GetController();
details.entry = controller.GetVisibleEntry();
if (controller.GetLastCommittedEntry()) {
details.previous_entry_index = controller.GetLastCommittedEntryIndex();
details.previous_main_frame_url =
controller.GetLastCommittedEntry()->GetURL();
}
// Copy the infobars to allow safe iteration while removing elements.
const auto infobars = manager->infobars();
for (infobars::InfoBar* infobar : infobars) {
if (infobar->delegate()->ShouldExpire(
infobars::ContentInfoBarManager::
NavigationDetailsFromLoadCommittedDetails(details))) {
manager->RemoveInfoBar(infobar);
}
}
}
int64_t ChromeSupervisedUserWebContentHandlerBase::GetInterstitialNavigationId()
const {
return interstitial_navigation_id_;
}
void ChromeSupervisedUserWebContentHandlerBase::GoBack() {
// GoBack only for main frame.
CHECK(IsMainFrame());
if (!AttemptMoveAwayFromCurrentFrameURL()) {
TabCloser::CheckIfInBrowserThenCloseTab(web_contents_);
}
OnInterstitialDone();
}
void ChromeSupervisedUserWebContentHandlerBase::MaybeCloseLocalApproval() {}
bool ChromeSupervisedUserWebContentHandlerBase::
AttemptMoveAwayFromCurrentFrameURL() {
// No need to do anything if the WebContents is in the process of being
// destroyed anyway.
if (web_contents_->IsBeingDestroyed()) {
return true;
}
// If the interstitial was shown over an existing page, navigate back from
// that page. If that is not possible, attempt to close the entire tab.
if (web_contents_->GetController().CanGoBack()) {
web_contents_->GetController().GoBack();
return true;
}
return false;
}
void ChromeSupervisedUserWebContentHandlerBase::OnInterstitialDone() {
auto* navigation_observer =
SupervisedUserNavigationObserver::FromWebContents(web_contents_);
// After this, the WebContents may be destroyed. Make sure we don't try to use
// it again. `OnInterstitialDone` will destruct the web content handler,
// and consequently the web_contents_ pointer.
web_contents_ = nullptr;
navigation_observer->OnInterstitialDone(frame_id_);
}
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