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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/apps/link_capturing/web_app_link_capturing_delegate.h"
#include <optional>
#include "base/functional/bind.h"
#include "base/memory/values_equivalent.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/web_applications/web_app_command_scheduler.h"
#include "chrome/browser/web_applications/web_app_provider.h"
#include "chrome/browser/web_applications/web_app_registrar.h"
#include "chrome/browser/web_applications/web_app_tab_helper.h"
#include "chrome/browser/web_applications/web_app_ui_manager.h"
#include "chrome/browser/web_applications/web_app_utils.h"
#include "components/webapps/common/web_app_id.h"
#include "content/public/browser/navigation_handle.h"
namespace web_app {
namespace {
void LaunchAppAndMaybeTriggerIPH(base::WeakPtr<Profile> profile,
const webapps::AppId& app_id,
const GURL& url,
base::OnceClosure callback) {
if (!profile) {
std::move(callback).Run();
return;
}
WebAppProvider* provider = WebAppProvider::GetForWebApps(profile.get());
provider->scheduler().LaunchApp(
app_id, url,
base::BindOnce(
[](const webapps::AppId& app_id, base::WeakPtr<Profile> profile,
base::OnceClosure callback, base::WeakPtr<Browser> browser,
base::WeakPtr<content::WebContents> web_contents,
apps::LaunchContainer container) {
if (!profile) {
std::move(callback).Run();
return;
}
if (web_contents) {
WebAppProvider* provider =
WebAppProvider::GetForWebApps(profile.get());
provider->ui_manager()
.MaybeShowIPHPromoForAppsLaunchedViaLinkCapturing(
/*browser=*/nullptr, profile.get(), app_id);
}
std::move(callback).Run();
},
app_id, profile, std::move(callback)));
}
} // namespace
WebAppLinkCapturingDelegate::WebAppLinkCapturingDelegate() = default;
WebAppLinkCapturingDelegate::~WebAppLinkCapturingDelegate() = default;
bool WebAppLinkCapturingDelegate::ShouldCancelThrottleCreation(
content::NavigationThrottleRegistry& registry) {
Profile* profile = Profile::FromBrowserContext(
registry.GetNavigationHandle().GetWebContents()->GetBrowserContext());
return !web_app::AreWebAppsUserInstallable(profile);
}
std::optional<apps::LinkCapturingNavigationThrottle::LaunchCallback>
WebAppLinkCapturingDelegate::CreateLinkCaptureLaunchClosure(
Profile* profile,
content::WebContents* web_contents,
const GURL& url,
bool is_navigation_from_link,
int redirection_chain_size) {
if (!is_navigation_from_link) {
return std::nullopt;
}
WebAppProvider* provider = WebAppProvider::GetForWebApps(profile);
CHECK(provider);
// This operation must be synchronous, so unfortunately we must use unsafe
// access to the registrar.
WebAppRegistrar& registrar = provider->registrar_unsafe();
std::optional<webapps::AppId> possible_app_id =
registrar.FindAppThatCapturesLinksInScope(url);
if (!possible_app_id) {
return std::nullopt;
}
webapps::AppId app_id = possible_app_id.value();
// Don't capture links for apps that open in a tab.
if (registrar.GetAppEffectiveDisplayMode(app_id) == DisplayMode::kBrowser) {
return std::nullopt;
}
// Don't capture if already inside the target app scope.
CHECK(web_contents);
if (base::ValuesEquivalent(web_app::WebAppTabHelper::GetAppId(web_contents),
&app_id)) {
return std::nullopt;
}
// Don't capture if already inside a window for the target app. If the
// previous early return didn't trigger, this means we are in an app window
// but out of scope of the original app, and navigating will put us back in
// scope.
web_app::WebAppTabHelper* tab_helper =
web_app::WebAppTabHelper::FromWebContents(web_contents);
CHECK(tab_helper);
if (tab_helper->window_app_id() == possible_app_id) {
return std::nullopt;
}
// Note: The launch can occur after this object is destroyed, so bind to a
// static function.
// TODO(b/297256243): Investigate possible reparenting instead of relaunching.
return base::BindOnce(&LaunchAppAndMaybeTriggerIPH, profile->GetWeakPtr(),
app_id, url);
}
} // namespace web_app
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