#include <stdio.h>

#include <Application.h>
#include <Directory.h>
#include <Entry.h>
#include <Message.h>
#include <MessageRunner.h>
#include <Messenger.h>
#include <StatusBar.h>
#include <Window.h>

enum {
        MSG_PULSE       = 'puls'
};

class Window : public BWindow {
public:
        Window(BRect frame)
                : BWindow(frame, "BStatusBar Test", B_TITLED_WINDOW_LOOK,
                        B_NORMAL_WINDOW_FEEL, B_ASYNCHRONOUS_CONTROLS
                        | B_QUIT_ON_WINDOW_CLOSE | B_NOT_ZOOMABLE),
                  fHomeFolderEntryCount(0),
                  fHomeFolderCurrentEntry(0)
        {
                frame = Bounds();
                BView* background = new BView(frame, "bg", B_FOLLOW_ALL, 0);
                background->SetViewUIColor(B_PANEL_BACKGROUND_COLOR);
                AddChild(background);

                frame = background->Bounds();
                frame.InsetBy(10, 10);
                fStatusBar = new BStatusBar(frame, "status", "Label: ", "-Trailing");
                fStatusBar->SetResizingMode(B_FOLLOW_ALL);
                background->AddChild(fStatusBar);

                fHomeFolder.SetTo("/boot/home/");
                BEntry entry;
                while (fHomeFolder.GetNextEntry(&entry) == B_OK)
                        fHomeFolderEntryCount++;

                fPulse = new BMessageRunner(BMessenger(this),
                        new BMessage(MSG_PULSE), 1000000);
        }

        ~Window()
        {
                delete fPulse;
        }

        virtual void MessageReceived(BMessage* message)
        {
                switch (message->what) {
                        case MSG_PULSE: {
                                BEntry entry;
                                if (fHomeFolder.GetNextEntry(&entry) < B_OK) {
                                        fHomeFolderCurrentEntry = 0;
                                        fHomeFolder.Rewind();
                                        fStatusBar->Reset("Label: ", "-Trailing");
                                        if (fHomeFolder.GetNextEntry(&entry) < B_OK)
                                                break;
                                } else
                                        fHomeFolderCurrentEntry++;
                                char name[B_FILE_NAME_LENGTH];
                                if (entry.GetName(name) < B_OK)
                                        break;
                                float value = 100.0 * fHomeFolderCurrentEntry
                                        / (fHomeFolderEntryCount - 1);
                                fStatusBar->SetTo(value, "Text", name);
                                break;
                        }
                        default:
                                BWindow::MessageReceived(message);
                }
        }
private:
        BStatusBar*     fStatusBar;
        BDirectory      fHomeFolder;
        int32           fHomeFolderEntryCount;
        int32           fHomeFolderCurrentEntry;
        BMessageRunner* fPulse;
};


int
main(int argc, char* argv[])
{
        BApplication app("application/x-vnd.stippi.statusbar_test");

        BRect frame(50, 50, 350, 350);
        Window* window = new Window(frame);
        window->Show();

        app.Run();
        return 0;
}