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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/payments/webapps/twa_package_helper.h"
#include <utility>
#include "base/location.h"
#include "base/task/single_thread_task_runner.h"
#if BUILDFLAG(IS_CHROMEOS)
#include <optional>
#include "chrome/browser/ash/apps/apk_web_app_service.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/browser.h"
#include "chrome/browser/ui/browser_finder.h"
#include "chrome/browser/ui/web_applications/app_browser_controller.h"
#include "chrome/browser/web_applications/web_app_provider.h"
#include "chrome/browser/web_applications/web_app_registrar.h"
#include "content/public/browser/render_frame_host.h"
#include "content/public/browser/web_contents.h"
#endif // BUILDFLAG(IS_CHROMEOS)
namespace {
#if BUILDFLAG(IS_CHROMEOS)
// Returns `nullopt` if `rfh` is null, or is not a web app window, or if the
// current url is not within the scope of the web app.
std::optional<webapps::AppId> GetWebAppId(content::RenderFrameHost* rfh) {
auto* web_contents = content::WebContents::FromRenderFrameHost(rfh);
if (!web_contents) {
return std::nullopt;
}
DCHECK(rfh);
Browser* browser = chrome::FindBrowserWithTab(web_contents);
if (!web_app::AppBrowserController::IsWebApp(browser)) {
return std::nullopt;
}
webapps::AppId app_id = browser->app_controller()->app_id();
auto* web_app_provider =
web_app::WebAppProvider::GetForWebApps(browser->profile());
if (!web_app_provider ||
!web_app_provider->registrar_unsafe().IsUrlInAppScope(
web_contents->GetLastCommittedURL(), app_id)) {
return std::nullopt;
}
return app_id;
}
// Obtains the Android package name of the Trusted Web Activity that invoked
// this browser, if any.
std::string FetchTwaPackageName(content::RenderFrameHost* rfh) {
std::optional<webapps::AppId> app_id = GetWebAppId(rfh);
if (!app_id.has_value()) {
return "";
}
auto* apk_web_app_service = ash::ApkWebAppService::Get(
Profile::FromBrowserContext(rfh->GetBrowserContext()));
if (!apk_web_app_service) {
return "";
}
std::optional<std::string> twa_package_name =
apk_web_app_service->GetPackageNameForWebApp(*app_id);
return twa_package_name.has_value() ? twa_package_name.value() : "";
}
#endif // BUILDFLAG(IS_CHROMEOS)
} // namespace
namespace payments {
TwaPackageHelper::TwaPackageHelper(
content::RenderFrameHost* render_frame_host) {
#if BUILDFLAG(IS_CHROMEOS)
twa_package_name_ = FetchTwaPackageName(render_frame_host);
#endif // BUILDFLAG(IS_CHROMEOS)
}
TwaPackageHelper::~TwaPackageHelper() = default;
void TwaPackageHelper::GetTwaPackageName(
GetTwaPackageNameCallback callback) const {
base::SingleThreadTaskRunner::GetCurrentDefault()->PostTask(
FROM_HERE, base::BindOnce(std::move(callback), twa_package_name_));
}
} // namespace payments
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