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// Copyright 2024 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/web_applications/preinstalled_web_apps/gemini.h"
#include <memory>
#include <vector>
#include "ash/constants/web_app_id_constants.h"
#include "base/check.h"
#include "base/functional/bind.h"
#include "base/strings/string_util.h"
#include "chrome/browser/apps/user_type_filter.h"
#include "chrome/browser/web_applications/external_install_options.h"
#include "chrome/browser/web_applications/mojom/user_display_mode.mojom.h"
#include "chrome/browser/web_applications/preinstalled_web_apps/preinstalled_web_app_definition_utils.h"
#include "chrome/browser/web_applications/web_app_constants.h"
#include "chrome/browser/web_applications/web_app_helpers.h"
#include "chrome/browser/web_applications/web_app_install_info.h"
#include "chrome/grit/preinstalled_web_apps_resources.h"
#include "chromeos/constants/chromeos_features.h"
#include "chromeos/constants/chromeos_switches.h"
#include "components/webapps/common/web_app_id.h"
#include "url/gurl.h"
namespace web_app {
namespace {
// Returns the appropriate activation time threshold to use.
base::Time::Exploded GetActivationTimeThreshold(
bool feature_management_enabled) {
return feature_management_enabled
? base::Time::Exploded{.year = 2024,
.month = 5,
.day_of_month = 28}
: base::Time::Exploded{
.year = 2024, .month = 10, .day_of_month = 1};
}
// Returns the appropriate activation URL param to use.
std::string GetActivationUrlParam(bool feature_management_enabled) {
return feature_management_enabled ? "cros_activation=true"
: "cros_standard_activation=true";
}
// Returns launch query params given the specified `device_info`.
std::string GetLaunchQueryParams(const std::optional<DeviceInfo>& device_info) {
std::vector<std::string> launch_query_params;
launch_query_params.emplace_back("cros_source=c");
const bool feature_management_enabled =
chromeos::features::IsGeminiAppPreinstallFeatureManagementEnabled();
// Attempt to retrieve the activation time threshold from the command-line
// switch. Note that this switch will only be used for testing purposes.
base::Time activation_time_threshold =
chromeos::switches::GetGeminiAppPreinstallActivationTimeThreshold()
.value_or(base::Time());
// Fall back to the actual activation time threshold.
// See PRD for more information re: the threshold (http://shortn/_a762eSA1pF).
if (activation_time_threshold.is_null()) {
CHECK(base::Time::FromUTCExploded(
GetActivationTimeThreshold(feature_management_enabled),
&activation_time_threshold));
}
// Assume activation time is now unless that can be confirmed not to be the
// case. This accepts the risk of a false positive to support known instances
// where activation time may be unavailable, i.e. during first boot due to a
// race condition between device registration and preinstallation.
if (device_info.value_or(DeviceInfo{})
.oobe_timestamp.value_or(base::Time::Now()) >=
activation_time_threshold) {
launch_query_params.emplace_back(
GetActivationUrlParam(feature_management_enabled));
}
return base::JoinString(launch_query_params, "&");
}
} // namespace
ExternalInstallOptions GetConfigForGemini(
const std::optional<DeviceInfo>& device_info) {
static constexpr char kUrl[] = "https://gemini.google.com/";
ExternalInstallOptions options(
/*install_url=*/GURL(kUrl),
/*user_display_mode=*/mojom::UserDisplayMode::kStandalone,
/*install_source=*/ExternalInstallSource::kExternalDefault);
options.add_to_applications_menu = true;
options.add_to_search = true;
options.app_info_factory = base::BindRepeating(
[](const std::optional<DeviceInfo>& device_info) {
GURL start_url = GURL(kUrl);
// `manifest_id` must remain fixed even if start_url changes.
webapps::ManifestId manifest_id =
GenerateManifestIdFromStartUrlOnly(GURL(kUrl));
auto info = std::make_unique<WebAppInstallInfo>(manifest_id, start_url);
info->background_color = info->theme_color = 0xFFFFFFFF;
info->dark_mode_background_color = info->dark_mode_theme_color =
0xFF131314;
info->display_mode = blink::mojom::DisplayMode::kStandalone;
info->icon_bitmaps.any =
LoadBundledIcons({IDR_PREINSTALLED_WEB_APPS_GEMINI_ICON_192_PNG});
info->launch_query_params = GetLaunchQueryParams(device_info);
info->scope = GURL(kUrl);
info->title = u"Gemini";
return info;
},
device_info);
options.expected_app_id = ash::kGeminiAppId;
options.gate_on_feature = chromeos::features::kGeminiAppPreinstall.name;
options.is_preferred_app_for_supported_links = true;
options.only_use_app_info_factory = true;
options.user_type_allowlist = {apps::kUserTypeUnmanaged};
// NOTE: This will cause the Gemini app to be installed even if it was
// previously uninstalled by the user. The Gemini app is not intended to be
// uninstallable. See https://crrev.com/c/chromium/src/+/5390614.
options.override_previous_user_uninstall = true;
return options;
}
} // namespace web_app
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