#pragma once

#include <QtGui>
#include <QFileDialog>

#include <MApplicationPage>
#include <MVideoWidget>
#include <MLayout>
#include <MLinearLayoutPolicy>
#include <MButton>
#include <MSlider>
#include <MOrientationChangeEvent>
#include <MApplicationMenu>
#include <MAction>
#include <MLabel>
#include <MSeekBar>
#include <MSceneManager>

#include "playerwidget.h"

/**
  * \mainpage Policy-aware Player
  *
  * Demonstrates how to use libresourceqt to create a policy-aware application.
  *
  * There are two classes:
  * \see PlayerPage creates the UI consisting of a control bar and a video widget
  * \see PlayerWidget contains all of policy-related customizations
  * to make the application behave well in concurrent world.
  *
  */

/**
  * PlayerPage class creates the UI of the application.  It contains a menu,
  * a control bar to control the playback, and PlayerWidget that does the actual playback.
  * For policy-related functionality please refer to PlayerWidget, this class merely
  * creates the mechanics of the UI for the demo application.
  *
  * \see PlayerWidget
  * \see MApplicationPage
  */

class PlayerPage : public MApplicationPage
{
    Q_OBJECT
public:
    PlayerPage();

private:
    void     createContent();
    void     makeControlBar(MLinearLayoutPolicy *controlBarPolicy);
    void     orientationChangeEvent(MOrientationChangeEvent *event);
    void     openFile(QString dir);
    void     setEnabled(MWidget *widget, bool enabled);
    MButton* makeButton(QString iconID, bool enabled = true);
    void     updateLabelsVisibility();

    MLinearLayoutPolicy *layoutPolicy, *controlBarPolicy;
    MButton             *btnLoadAudio, *btnLoadVideo, *btnPlay;
    MSeekBar            *seekbar;
    PlayerWidget        *playerWidget;
    MLabel              *lblTitle, *lblPosition;
    MAction             *menuAction;

    bool seekbarPressed;
    bool labelsVisible;

private slots:
    void openAudioFile();
    void openVideoFile();

    void togglePolicyAwareness();
    void setPlayingIcon();
    void setPausedIcon();
    void playOrPause();
    void onPositionChanged();
    void sliderPressed();
    void seekToNewPosition();
};