application_manager.h

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#pragma once
 
#include "application.h"
#include "ersa/events/event.h"
#include "ersa/hal/display.h"
#include <stdint.h>
#include <stddef.h>
 
namespace ersa {
namespace app {
 
class ApplicationManager {
public:
    static constexpr size_t MAX_APPS = 16;
 
    ApplicationManager();
 
    bool registerApp(Application* app);
    bool switchTo(const char* appId);
    bool switchTo(size_t index);
 
    Application* getActiveApp() const;
    size_t getAppCount() const;
    Application* getApp(size_t index) const;
 
    bool handleEvent(const events::Event& event);
 
    void markDirty(bool fullRefresh = false);
    void clearDirty();
    bool isDirty() const;
    bool isFullRefreshNeeded() const;
    bool isAppSwitched() const;
    void clearAppSwitched();
 
    void render(hal::IDisplay& display);
 
    void tick();
 
    static ApplicationManager& instance();
 
private:
    Application* apps_[MAX_APPS];
    size_t appCount_{0};
    Application* activeApp_{nullptr};
 
    bool dirty_{true};
    bool fullRefreshNeeded_{true};
    bool appSwitched_{true};
    uint32_t lastRenderTime_{0};
};
 
} // namespace app
} // namespace ersa