Ken Van Hoeylandt
133 lines
4.1 KiB
C++
133 lines
4.1 KiB
C++
#include "Tactility/app/fileselection/FileSelection.h"
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#include "Tactility/app/fileselection/FileSelectionPrivate.h"
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#include "Tactility/app/fileselection/View.h"
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#include "Tactility/app/fileselection/State.h"
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#include <app/event.h>
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#include <app/io.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 <app/stream.h>
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#include <lvgl_window_manager/window_manager.h>
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#include <tactility/check.h>
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#include <cstdio>
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#include <memory>
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#include <string>
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#include <unistd.h>
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namespace tt::app::fileselection {
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extern const ::AppManifest manifest;
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constexpr auto* TAG = "FileSelection";
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namespace {
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struct Context {
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uint32_t appInstanceId;
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Mode mode;
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std::shared_ptr<State> state;
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std::unique_ptr<View> view;
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std::string resultPath;
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int32_t resultCode = 1; // 1 means Cancelled
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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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ctx->view->init(parent, ctx->mode);
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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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// argv layout: [0]="existing" or "existing_or_new".
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Context ctx {};
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ctx.appInstanceId = appInstanceId;
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ctx.mode = (argc > 0 && std::string(argv[0]) == "--existing-or-new") ? Mode::ExistingOrNew : Mode::Existing;
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ctx.state = std::make_shared<State>();
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ctx.view = std::make_unique<View>(appInstanceId, ctx.state, [&ctx, appInstanceId](const std::string& path) {
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ctx.resultPath = path;
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ctx.resultCode = 0;
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app_event_emit_close(appInstanceId);
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});
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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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WindowId window = window_manager_create(appInstanceId, createWidgets, &ctx);
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while (true) {
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task_event_group_wait_any(&event_group, nullptr, portMAX_DELAY);
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bool shouldClose = false;
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AppEvent event {};
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while (app_event_poll(&sub, &event) == ERROR_NONE) {
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if (event.type == APP_EVENT_CLOSE) {
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shouldClose = true;
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break;
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}
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}
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if (shouldClose) break;
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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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if (ctx.resultCode == 0) {
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// The parent captures this via an AppStream bound to our stdout (see startWithMode()) -
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// see AppStdioWrap.cpp for how printf() itself gets routed there on POSIX.
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LOG_I(TAG, "Result: %s", ctx.resultPath.c_str());
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printf("%s", ctx.resultPath.c_str());
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}
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return ctx.resultCode;
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}
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} // namespace
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namespace {
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uint32_t startWithMode(const char* modeArg, uint32_t callerAppInstanceId, AppStream& stream, void* buffer, size_t bufferCapacity, TaskEventGroup* eventGroup) {
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const char* argv[] = { modeArg };
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AppStreamBinding binding = {
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.producer_fd = STDOUT_FILENO,
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.stream = &stream,
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.buffer = buffer,
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.buffer_capacity = bufferCapacity,
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.event_group = eventGroup,
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};
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uint32_t instanceId = 0;
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app_start_for_result_with_streams(manifest.id, 1, argv, &binding, 1, callerAppInstanceId, &instanceId);
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return instanceId;
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}
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} // namespace
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uint32_t startForExistingFile(uint32_t callerAppInstanceId, AppStream& stream, void* buffer, size_t bufferCapacity, TaskEventGroup* eventGroup) {
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return startWithMode("--existing", callerAppInstanceId, stream, buffer, bufferCapacity, eventGroup);
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}
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uint32_t startForExistingOrNewFile(uint32_t callerAppInstanceId, AppStream& stream, void* buffer, size_t bufferCapacity, TaskEventGroup* eventGroup) {
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return startWithMode("--existing-or-new", callerAppInstanceId, stream, buffer, bufferCapacity, eventGroup);
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}
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extern const ::AppManifest manifest = {
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.id = "tactility.fileselection",
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.name = "File Selection",
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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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