/**
 * 叶海辉
 * QQ群121376426
 * http://blog.yundiantech.com/
 */

#ifndef MAINWINDOW_H
#define MAINWINDOW_H

#include <QWidget>

#include <QImage>
#include <QPaintEvent>
#include <QTimer>
#include <QPushButton>
#include <QPropertyAnimation>
#include <QTextCodec>

#include "VideoPlayer/VideoPlayerFactory.h"
#include "DragAbleWidget.h"

namespace Ui {
class MainWindow;
}

///这个是播放器的主界面 包括那些按钮和进度条之类的
class MainWindow : public DragAbleWidget, public VideoPlayerCallBack
{
    Q_OBJECT

public:
    explicit MainWindow(QWidget *parent = 0);
    ~MainWindow();

protected:
    bool eventFilter(QObject *target, QEvent *event);

private:
    Ui::MainWindow *ui;

    VideoPlayer *mPlayer = nullptr; //播放线程
    PlayerFactory *mPlayerFactory = nullptr; //播放线程
    QTimer *mTimer; //定时器-获取当前视频时间
    float mVolume;

    QTimer *mTimer_CheckControlWidget; //用于控制控制界面的出现和隐藏
    QPropertyAnimation *mAnimation_ControlWidget;   //控制底部控制控件的出现和隐藏
    void showOutControlWidget(); //显示底部控制控件
    void hideControlWidget();    //隐藏底部控制控件

    void initPlayer(VIDEOTYPE videoType) {
        unInitPlayer();
        switch (videoType) {
        case RUNWEIVIDEO:
            mPlayerFactory = new PlayerRunweiProducer();
            break;
        case CDYDVIDEO:
            mPlayerFactory = new PlayerCDYDProducer();
            break;
        case CSHHVIDEO:
            mPlayerFactory = new PlayerCSHHProducer();
            break;
        case ZZCXVIDEO:
            mPlayerFactory = new PlayerZZCXProducer();
            break;
        case HKVIDEO:
            mPlayerFactory = new PlayerHKProducer();
            break;
        case NORMALVIDEO:
        default:
            mPlayerFactory = new PlayerNormalProducer();
            break;
        }
        mPlayer = mPlayerFactory->CreatePlayer();
    }

    void unInitPlayer(){
        if(mPlayer != nullptr){
            delete mPlayer;
        }

        if(mPlayerFactory != nullptr){
            delete mPlayerFactory;
        }
    }


private slots:
    ///播放器相关的槽函数
    void slotSliderMoved(int value);
    void slotTimerTimeOut();
    void slotBtnClick(bool isChecked);


    ///以下函数，是播放器的回调函数，用于输出信息给界面
protected:
    ///打开文件失败
    void onOpenVideoFileFailed(const int &code);

    ///打开sdl失败的时候回调此函数
    void onOpenSdlFailed(const int &code);

    ///获取到视频时长的时候调用此函数
    void onTotalTimeChanged(const int64_t &uSec);

    ///播放器状态改变的时候回调此函数
    void onPlayerStateChanged(const VideoPlayerState &state, const bool &hasVideo, const bool &hasAudio);

    ///显示视频数据，此函数不宜做耗时操作，否则会影响播放的流畅性。
    void onDisplayVideo(VideoFramePtr videoFrame);

};

#endif // MAINWINDOW_H