c3bcf93698
- Refactor the way apps work: Instead of a C interface, they are now C++ classes. The main reasoning is that attaching data to an app was cumbersome. Having different implementations for different kinds of apps was cumbersome too. (3 or 4 layers of manifest nesting for the TactilityC project) - External apps are still written in C, but they get a createData/destroyData in their manifest, so: - External apps now have their own manifest. - All functions in the original AppManifest are removed and replaced by a single `createApp` function - External apps now automatically register (each app individually!) when they run the first time. As a side-effect they become visible in the `AppList` app! - Adapted all apps for the new interface. - Adapted all internal logic for these changes (Gui, ViewPort, Loader, AppContext, AppInstance, etc.) - Rewrote parts of Loader to use std::shared_ptr to make the code much safer. - Added a refcount check for the `AppInstance` and `App` at the end of their lifecycle. Show warning if refcount is too high.
132 lines
3.8 KiB
C++
132 lines
3.8 KiB
C++
#include <sstream>
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#include <vector>
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#include "lvgl.h"
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#include "lvgl/Style.h"
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#include "lvgl/Toolbar.h"
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#include "app/selectiondialog/SelectionDialog.h"
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#include "service/loader/Loader.h"
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#include "lvgl/LvglSync.h"
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#define TAG "text_viewer"
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namespace tt::app::log {
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class LogApp : public App {
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private:
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LogLevel filterLevel = LogLevel::Info;
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lv_obj_t* labelWidget = nullptr;
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static bool shouldShowLog(LogLevel filterLevel, LogLevel logLevel) {
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if (filterLevel == LogLevel::None || logLevel == LogLevel::None) {
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return false;
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} else {
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return filterLevel >= logLevel;
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}
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}
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void updateLogEntries() {
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unsigned int index;
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auto* entries = copyLogEntries(index);
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std::stringstream buffer;
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if (entries != nullptr) {
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for (unsigned int i = index; i < TT_LOG_ENTRY_COUNT; ++i) {
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if (shouldShowLog(filterLevel, entries[i].level)) {
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buffer << entries[i].message;
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}
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}
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if (index != 0) {
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for (unsigned int i = 0; i < index; ++i) {
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if (shouldShowLog(filterLevel, entries[i].level)) {
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buffer << entries[i].message;
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}
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}
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}
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delete entries;
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if (!buffer.str().empty()) {
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lv_label_set_text(labelWidget, buffer.str().c_str());
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} else {
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lv_label_set_text(labelWidget, "No logs for the selected log level");
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}
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} else {
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lv_label_set_text(labelWidget, "Failed to load log");
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}
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}
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void updateViews() {
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if (lvgl::lock(100 / portTICK_PERIOD_MS)) {
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updateLogEntries();
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lvgl::unlock();
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}
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}
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static void onLevelFilterPressedCallback(TT_UNUSED lv_event_t* event) {
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std::vector<std::string> items = {
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"Verbose",
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"Debug",
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"Info",
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"Warning",
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"Error",
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};
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app::selectiondialog::start("Log Level", items);
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}
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public:
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void onShow(AppContext& app, lv_obj_t* parent) override {
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lv_obj_set_flex_flow(parent, LV_FLEX_FLOW_COLUMN);
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auto* toolbar = lvgl::toolbar_create(parent, app);
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lvgl::toolbar_add_button_action(toolbar, LV_SYMBOL_EDIT, onLevelFilterPressedCallback, this);
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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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lvgl::obj_set_style_no_padding(wrapper);
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lvgl::obj_set_style_bg_invisible(wrapper);
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labelWidget = lv_label_create(wrapper);
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lv_obj_align(labelWidget, LV_ALIGN_CENTER, 0, 0);
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updateLogEntries();
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}
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void onResult(AppContext& app, Result result, std::unique_ptr<Bundle> bundle) override {
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auto resultIndex = selectiondialog::getResultIndex(*bundle);
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if (result == Result::Ok) {
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switch (resultIndex) {
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case 0:
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filterLevel = LogLevel::Verbose;
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break;
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case 1:
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filterLevel = LogLevel::Debug;
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break;
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case 2:
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filterLevel = LogLevel::Info;
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break;
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case 3:
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filterLevel = LogLevel::Warning;
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break;
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case 4:
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filterLevel = LogLevel::Error;
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break;
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default:
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break;
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}
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}
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updateViews();
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}
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};
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extern const AppManifest manifest = {
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.id = "Log",
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.name = "Log",
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.icon = LV_SYMBOL_LIST,
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.type = Type::System,
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.createApp = create<LogApp>
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};
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} // namespace
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