Ken Van Hoeylandt
333 lines
12 KiB
C++
333 lines
12 KiB
C++
#include <Tactility/app/alertdialog/AlertDialog.h>
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#include <Tactility/lvgl/Style.h>
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#include <Tactility/service/wifi/Wifi.h>
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#include <Tactility/service/wifi/WifiApSettings.h>
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#include <app/event.h>
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#include <app/manager.h>
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#include <app/manifest.h>
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#include <app/scheduler.h>
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#include <app/start.h>
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#include <lvgl_window_manager/window_manager.h>
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#include <lvgl/lvgl.h>
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#include <lvgl/widgets/toolbar.h>
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#include <tactility/check.h>
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#include <tactility/device.h>
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#include <tactility/log.h>
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namespace tt::app::wifiapsettings {
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constexpr auto* TAG = "WifiApSettings";
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extern const ::AppManifest manifest;
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namespace {
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struct Context {
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uint32_t appInstanceId;
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std::string ssid;
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lv_obj_t* busySpinner = nullptr;
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lv_obj_t* connectButton = nullptr;
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lv_obj_t* disconnectButton = nullptr;
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lv_obj_t* autoConnectSwitch = nullptr;
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lv_obj_t* forgetButton = nullptr;
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lv_obj_t* autoConnectWrapper = nullptr;
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uint32_t forgetDialogId = 0;
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// Set once in appMain() before subscribing, left null if this device has no WiFi driver
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Device* wifiDevice = nullptr;
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WifiEventSubscription wifiEventSub {};
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};
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void updateViews(Context* ctx);
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void onBackPressed(lv_event_t* event) {
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auto* ctx = static_cast<Context*>(lv_event_get_user_data(event));
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app_event_emit_close(ctx->appInstanceId);
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}
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void onPressForget(lv_event_t* event) {
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auto* ctx = static_cast<Context*>(lv_event_get_user_data(event));
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ctx->forgetDialogId = alertdialog::start(ctx->appInstanceId, "Confirmation", "Forget the Wi-Fi access point?", std::vector<std::string> { "Yes", "No" });
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}
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void onToggleAutoConnect(lv_event_t* event) {
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auto* ctx = static_cast<Context*>(lv_event_get_user_data(event));
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auto* enable_switch = static_cast<lv_obj_t*>(lv_event_get_target(event));
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bool is_on = lv_obj_has_state(enable_switch, LV_STATE_CHECKED);
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service::wifi::settings::WifiApSettings settings;
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if (service::wifi::settings::load(ctx->ssid.c_str(), settings)) {
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settings.autoConnect = is_on;
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if (!service::wifi::settings::save(settings)) {
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LOG_E(TAG, "Failed to save settings");
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}
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} else {
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LOG_E(TAG, "Failed to load settings");
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}
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}
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void onPressConnect(lv_event_t* event) {
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auto* ctx = static_cast<Context*>(lv_event_get_user_data(event));
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service::wifi::settings::WifiApSettings settings;
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if (service::wifi::settings::load(ctx->ssid.c_str(), settings)) {
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auto* button = lv_event_get_target_obj(event);
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lv_obj_add_state(button, LV_STATE_DISABLED);
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service::wifi::connect(settings, false);
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}
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}
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void onPressDisconnect(lv_event_t*) {
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if (service::wifi::getRadioState() == service::wifi::RadioState::ConnectionActive) {
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service::wifi::disconnect();
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}
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}
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void updateConnectButton(Context* ctx) {
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if (service::wifi::getConnectionTarget() == ctx->ssid && service::wifi::getRadioState() == service::wifi::RadioState::ConnectionActive) {
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lv_obj_remove_flag(ctx->disconnectButton, LV_OBJ_FLAG_HIDDEN);
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lv_obj_add_flag(ctx->connectButton, LV_OBJ_FLAG_HIDDEN);
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lv_obj_remove_state(ctx->disconnectButton, LV_STATE_DISABLED);
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} else {
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lv_obj_add_flag(ctx->disconnectButton, LV_OBJ_FLAG_HIDDEN);
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lv_obj_remove_flag(ctx->connectButton, LV_OBJ_FLAG_HIDDEN);
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lv_obj_remove_state(ctx->connectButton, LV_STATE_DISABLED);
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}
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}
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void updateBusySpinner(Context* ctx) {
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if (service::wifi::getRadioState() == service::wifi::RadioState::ConnectionPending) {
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lv_obj_remove_flag(ctx->busySpinner, LV_OBJ_FLAG_HIDDEN);
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} else {
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lv_obj_add_flag(ctx->busySpinner, LV_OBJ_FLAG_HIDDEN);
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}
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}
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// Touches the filesystem (service::wifi::settings::load()) - callers must not run this on the
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// LVGL task (see updateViews()'s callers).
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void updateAutoConnectSection(Context* ctx) {
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service::wifi::settings::WifiApSettings settings;
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if (service::wifi::settings::load(ctx->ssid.c_str(), settings)) {
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if (settings.autoConnect) {
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lv_obj_add_state(ctx->autoConnectSwitch, LV_STATE_CHECKED);
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} else {
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lv_obj_remove_state(ctx->autoConnectSwitch, LV_STATE_CHECKED);
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}
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lv_obj_remove_flag(ctx->forgetButton, LV_OBJ_FLAG_HIDDEN);
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lv_obj_remove_flag(ctx->autoConnectWrapper, LV_OBJ_FLAG_HIDDEN);
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} else {
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LOG_W(TAG, "No settings found");
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lv_obj_add_flag(ctx->forgetButton, LV_OBJ_FLAG_HIDDEN);
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lv_obj_add_flag(ctx->autoConnectWrapper, LV_OBJ_FLAG_HIDDEN);
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}
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}
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// Runs on whichever thread calls it, not necessarily the LVGL task
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void updateViews(Context* ctx) {
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if (ctx->connectButton == nullptr) {
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// Buried (e.g. the forget confirmation dialog opened on top)
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return;
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}
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updateConnectButton(ctx);
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updateBusySpinner(ctx);
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updateAutoConnectSection(ctx);
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}
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void requestViewUpdate(Context* ctx) {
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lvgl_lock();
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updateViews(ctx);
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lvgl_unlock();
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}
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void destroyWidgets(void* userData) {
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auto* ctx = static_cast<Context*>(userData);
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ctx->busySpinner = nullptr;
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ctx->connectButton = nullptr;
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ctx->disconnectButton = nullptr;
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ctx->autoConnectSwitch = nullptr;
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ctx->forgetButton = nullptr;
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ctx->autoConnectWrapper = nullptr;
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}
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void createWidgets(lv_obj_t* parent, void* userData) {
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auto* ctx = static_cast<Context*>(userData);
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lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
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lv_obj_set_style_pad_row(parent, 0, LV_STATE_DEFAULT);
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auto* toolbar = lvgl_toolbar_create(parent, ctx->ssid.c_str());
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// The global toolbar nav callback only knows how to stop old-model apps.
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lvgl_toolbar_set_nav_action(toolbar, LV_SYMBOL_CLOSE, onBackPressed, ctx);
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ctx->busySpinner = lvgl_toolbar_add_spinner_action(toolbar);
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auto* wrapper = lv_obj_create(parent);
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lv_obj_set_width(wrapper, LV_PCT(100));
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lv_obj_set_flex_grow(wrapper, 1);
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lv_obj_set_flex_flow(wrapper, LV_FLEX_FLOW_COLUMN);
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lv_obj_set_style_border_width(wrapper, 0, LV_STATE_DEFAULT);
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lvgl::obj_set_style_bg_invisible(wrapper);
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ctx->disconnectButton = lv_button_create(wrapper);
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lv_obj_set_width(ctx->disconnectButton, LV_PCT(100));
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lv_obj_add_event_cb(ctx->disconnectButton, onPressDisconnect, LV_EVENT_SHORT_CLICKED, ctx);
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auto* disconnect_label = lv_label_create(ctx->disconnectButton);
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lv_obj_align(disconnect_label, LV_ALIGN_CENTER, 0, 0);
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lv_label_set_text(disconnect_label, "Disconnect");
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ctx->connectButton = lv_button_create(wrapper);
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lv_obj_set_width(ctx->connectButton, LV_PCT(100));
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lv_obj_add_event_cb(ctx->connectButton, onPressConnect, LV_EVENT_SHORT_CLICKED, ctx);
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auto* connect_label = lv_label_create(ctx->connectButton);
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lv_obj_align(connect_label, LV_ALIGN_CENTER, 0, 0);
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lv_label_set_text(connect_label, "Connect");
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// Forget
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ctx->forgetButton = lv_button_create(wrapper);
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lv_obj_set_width(ctx->forgetButton, LV_PCT(100));
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lv_obj_add_event_cb(ctx->forgetButton, onPressForget, LV_EVENT_SHORT_CLICKED, ctx);
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auto* forget_button_label = lv_label_create(ctx->forgetButton);
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lv_obj_align(forget_button_label, LV_ALIGN_CENTER, 0, 0);
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lv_label_set_text(forget_button_label, "Forget");
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lv_obj_add_flag(ctx->forgetButton, LV_OBJ_FLAG_HIDDEN); // shown by updateAutoConnectSection()
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// Auto-connect
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ctx->autoConnectWrapper = lv_obj_create(wrapper);
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lv_obj_set_size(ctx->autoConnectWrapper, LV_PCT(100), LV_SIZE_CONTENT);
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lvgl::obj_set_style_bg_invisible(ctx->autoConnectWrapper);
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lv_obj_set_style_pad_all(ctx->autoConnectWrapper, 0, LV_STATE_DEFAULT);
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lv_obj_set_style_border_width(ctx->autoConnectWrapper, 0, LV_STATE_DEFAULT);
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lv_obj_add_flag(ctx->autoConnectWrapper, LV_OBJ_FLAG_HIDDEN); // shown by updateAutoConnectSection()
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auto* auto_connect_label = lv_label_create(ctx->autoConnectWrapper);
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lv_label_set_text(auto_connect_label, "Auto-connect");
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lv_obj_align(auto_connect_label, LV_ALIGN_LEFT_MID, 0, 0);
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ctx->autoConnectSwitch = lv_switch_create(ctx->autoConnectWrapper);
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lv_obj_add_event_cb(ctx->autoConnectSwitch, onToggleAutoConnect, LV_EVENT_VALUE_CHANGED, ctx);
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lv_obj_align(ctx->autoConnectSwitch, LV_ALIGN_RIGHT_MID, 0, 0);
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}
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int32_t appMain(int argc, char* argv[]) {
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uint32_t appInstanceId = app_scheduler_current_app_id();
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Context ctx {};
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ctx.appInstanceId = appInstanceId;
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ctx.ssid = (argc > 0) ? argv[0] : std::string();
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TaskEventGroup event_group {};
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task_event_group_construct(&event_group);
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AppEventSubscription sub {};
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check(app_event_subscribe(&sub, &event_group) == ERROR_NONE);
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Device* wifi_device = nullptr;
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if (device_get_first_by_type(&WIFI_TYPE, &wifi_device) == ERROR_NONE) {
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if (wifi_event_subscribe(wifi_device, &ctx.wifiEventSub, &event_group) == ERROR_NONE) {
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ctx.wifiDevice = wifi_device;
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} else {
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LOG_W(TAG, "Failed to subscribe to WiFi events");
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device_put(wifi_device);
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}
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} else {
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LOG_W(TAG, "No WiFi device found");
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}
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WindowId window = window_manager_create_ext(appInstanceId, createWidgets, destroyWidgets, &ctx);
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// The file-I/O-touching part of the view (updateAutoConnectSection()'s settings::load())
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// runs here, on this app's own task, not the LVGL task createWidgets()
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requestViewUpdate(&ctx);
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bool shouldClose = false;
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while (!shouldClose) {
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TickType_t wait_timeout = (ctx.wifiDevice == nullptr) ? pdMS_TO_TICKS(500) : portMAX_DELAY;
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task_event_group_wait_any(&event_group, nullptr, wait_timeout);
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if (ctx.wifiDevice == nullptr) {
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Device* retry_device = nullptr;
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if (device_get_first_by_type(&WIFI_TYPE, &retry_device) == ERROR_NONE) {
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if (wifi_event_subscribe(retry_device, &ctx.wifiEventSub, &event_group) == ERROR_NONE) {
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ctx.wifiDevice = retry_device;
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} else {
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device_put(retry_device);
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}
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}
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}
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AppEvent event {};
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while (app_event_poll(&sub, &event) == ERROR_NONE) {
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switch (event.type) {
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case APP_EVENT_CLOSE:
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shouldClose = true;
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break;
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case APP_EVENT_RESULT:
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if (event.result.launch_id == ctx.forgetDialogId && event.result.result == 0) { // 0 = Yes
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if (!service::wifi::settings::remove(ctx.ssid.c_str())) {
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LOG_E(TAG, "Failed to remove SSID");
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} else {
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LOG_I(TAG, "Removed SSID");
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if (
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service::wifi::getRadioState() == service::wifi::RadioState::ConnectionActive &&
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service::wifi::getConnectionTarget() == ctx.ssid
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) {
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service::wifi::disconnect();
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}
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shouldClose = true;
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}
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}
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app_manager_stop(event.result.launch_id);
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break;
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default:
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break;
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}
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if (shouldClose) break;
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}
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if (ctx.wifiDevice != nullptr) {
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WifiEvent wifi_event {};
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bool wifi_event_received = false;
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while (wifi_event_poll(&ctx.wifiEventSub, &wifi_event) == ERROR_NONE) {
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wifi_event_received = true;
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}
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if (wifi_event_received) {
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requestViewUpdate(&ctx);
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}
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}
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}
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if (ctx.wifiDevice != nullptr) {
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wifi_event_unsubscribe(ctx.wifiDevice, &ctx.wifiEventSub);
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device_put(ctx.wifiDevice);
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}
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window_manager_remove(window);
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check(app_event_unsubscribe(&sub) == ERROR_NONE);
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task_event_group_destruct(&event_group);
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return 0;
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}
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} // namespace
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void start(const std::string& ssid) {
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const char* argv[] = { ssid.c_str() };
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uint32_t instanceId = 0;
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app_start(manifest.id, 1, argv, &instanceId);
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}
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extern const ::AppManifest manifest = {
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.id = "tactility.wifiapsettings",
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.name = "Wi-Fi AP Settings",
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.category = APP_CATEGORY_SYSTEM,
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.location = { APP_LOCATION_MEMORY, reinterpret_cast<void*>(appMain) },
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.flags = APP_MANIFEST_FLAG_HIDDEN,
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};
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} // namespace
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