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// Copyright 2017 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/ui/webui/settings/chromeos/device_stylus_handler.h"
#include <memory>
#include <string>
#include <utility>
#include <vector>
#include "ash/public/cpp/stylus_utils.h"
#include "base/bind.h"
#include "chrome/browser/chromeos/arc/arc_util.h"
#include "chrome/browser/profiles/profile.h"
#include "chrome/browser/ui/app_list/arc/arc_app_utils.h"
#include "ui/events/devices/device_data_manager.h"
namespace chromeos {
namespace settings {
namespace {
// Keys in objects passed to onNoteTakingAppsUpdated.
constexpr char kAppNameKey[] = "name";
constexpr char kAppIdKey[] = "value";
constexpr char kAppPreferredKey[] = "preferred";
constexpr char kAppLockScreenSupportKey[] = "lockScreenSupport";
} // namespace
StylusHandler::StylusHandler() : note_observer_(this), input_observer_(this) {}
StylusHandler::~StylusHandler() = default;
void StylusHandler::RegisterMessages() {
DCHECK(web_ui());
// Note: initializeStylusSettings must be called before observers will be
// added.
web_ui()->RegisterMessageCallback(
"initializeStylusSettings",
base::BindRepeating(&StylusHandler::HandleInitialize,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"requestNoteTakingApps",
base::BindRepeating(&StylusHandler::HandleRequestApps,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"setPreferredNoteTakingApp",
base::BindRepeating(&StylusHandler::HandleSetPreferredNoteTakingApp,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"setPreferredNoteTakingAppEnabledOnLockScreen",
base::BindRepeating(
&StylusHandler::HandleSetPreferredNoteTakingAppEnabledOnLockScreen,
base::Unretained(this)));
web_ui()->RegisterMessageCallback(
"showPlayStoreApps",
base::BindRepeating(&StylusHandler::HandleShowPlayStoreApps,
base::Unretained(this)));
}
void StylusHandler::OnJavascriptAllowed() {
note_observer_.Add(NoteTakingHelper::Get());
input_observer_.Add(ui::DeviceDataManager::GetInstance());
}
void StylusHandler::OnJavascriptDisallowed() {
note_observer_.RemoveAll();
input_observer_.RemoveAll();
}
void StylusHandler::OnAvailableNoteTakingAppsUpdated() {
UpdateNoteTakingApps();
}
void StylusHandler::OnPreferredNoteTakingAppUpdated(Profile* profile) {
if (Profile::FromWebUI(web_ui()) == profile)
UpdateNoteTakingApps();
}
void StylusHandler::OnDeviceListsComplete() {
SendHasStylus();
}
void StylusHandler::UpdateNoteTakingApps() {
bool waiting_for_android = false;
note_taking_app_ids_.clear();
base::ListValue apps_list;
NoteTakingHelper* helper = NoteTakingHelper::Get();
if (helper->play_store_enabled() && !helper->android_apps_received()) {
// If Play Store is enabled but not ready yet, let the JS know so it can
// disable the menu and display an explanatory message.
waiting_for_android = true;
} else {
std::vector<NoteTakingAppInfo> available_apps =
helper->GetAvailableApps(Profile::FromWebUI(web_ui()));
for (const NoteTakingAppInfo& info : available_apps) {
auto dict = std::make_unique<base::DictionaryValue>();
dict->SetString(kAppNameKey, info.name);
dict->SetString(kAppIdKey, info.app_id);
dict->SetBoolean(kAppPreferredKey, info.preferred);
dict->SetInteger(kAppLockScreenSupportKey,
static_cast<int>(info.lock_screen_support));
apps_list.Append(std::move(dict));
note_taking_app_ids_.insert(info.app_id);
}
}
FireWebUIListener("onNoteTakingAppsUpdated", apps_list,
base::Value(waiting_for_android));
}
void StylusHandler::HandleRequestApps(const base::ListValue* unused_args) {
AllowJavascript();
UpdateNoteTakingApps();
}
void StylusHandler::HandleSetPreferredNoteTakingApp(
const base::ListValue* args) {
std::string app_id;
CHECK(args->GetString(0, &app_id));
// Sanity check: make sure that the ID we got back from WebUI is in the
// currently-available set.
if (!note_taking_app_ids_.count(app_id)) {
LOG(ERROR) << "Got unknown note-taking-app ID \"" << app_id << "\"";
return;
}
NoteTakingHelper::Get()->SetPreferredApp(Profile::FromWebUI(web_ui()),
app_id);
}
void StylusHandler::HandleSetPreferredNoteTakingAppEnabledOnLockScreen(
const base::ListValue* args) {
bool enabled = false;
CHECK(args->GetBoolean(0, &enabled));
NoteTakingHelper::Get()->SetPreferredAppEnabledOnLockScreen(
Profile::FromWebUI(web_ui()), enabled);
}
void StylusHandler::HandleInitialize(const base::ListValue* args) {
AllowJavascript();
if (ui::DeviceDataManager::GetInstance()->AreDeviceListsComplete())
SendHasStylus();
}
void StylusHandler::SendHasStylus() {
DCHECK(ui::DeviceDataManager::GetInstance()->AreDeviceListsComplete());
FireWebUIListener("has-stylus-changed",
base::Value(ash::stylus_utils::HasStylusInput()));
}
void StylusHandler::HandleShowPlayStoreApps(const base::ListValue* args) {
std::string apps_url;
args->GetString(0, &apps_url);
Profile* profile = Profile::FromWebUI(web_ui());
if (!arc::IsArcAllowedForProfile(profile)) {
VLOG(1) << "ARC is not enabled for this profile";
return;
}
arc::LaunchPlayStoreWithUrl(apps_url);
}
} // namespace settings
} // namespace chromeos
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