editor_idle_pump.hpp

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#pragma once
 
#include <pulp/format/view_bridge.hpp>
#include <pulp/view/scripted_editor_session.hpp>
#include <pulp/view/scripted_ui.hpp>
 
#include <atomic>
#include <functional>
 
namespace pulp::format {

inline std::function<void()> make_editor_idle_pump(ViewBridge& bridge) {
    auto* bridge_ptr = &bridge;
    // The display link may already have dispatched a main-queue tick when host
    // teardown begins. The liveness token makes that tick a no-op after the
    // bridge is gone; adapters must still detach their host before close.
    auto alive = bridge.alive_token();
    return [bridge_ptr, alive]() {
        if (!alive->load(std::memory_order_acquire)) return;
        if (!bridge_ptr->owner_is_alive()) {
            // The instance is gone; tell the tree once and pump nothing else.
            bridge_ptr->notify_owner_released();
            return;
        }
        bridge_ptr->pump_store_listeners();
        if (bridge_ptr->poll_state_restore()) {
            if (auto* v = bridge_ptr->view()) v->request_repaint();
        }
        if (bridge_ptr->poll_editor_reload()) {
            if (auto* v = bridge_ptr->view()) v->request_repaint();
        }
        if (view::ScriptedEditorSession* session = bridge_ptr->scripted_ui()) {
            session->poll();
        }
    };
}

inline std::function<void()> make_scripted_idle_pump(ViewBridge& bridge) {
    return make_editor_idle_pump(bridge);
}
 
} // namespace pulp::format