package com.lansosdk.videoplayer;

import android.annotation.TargetApi;
import android.content.Context;
import android.os.Build;
import android.util.AttributeSet;
import android.view.TextureView;
import android.view.View;
import android.view.accessibility.AccessibilityEvent;
import android.view.accessibility.AccessibilityNodeInfo;

@TargetApi(Build.VERSION_CODES.ICE_CREAM_SANDWICH)
public class TextureRenderView extends TextureView {

    public static final int AR_ASPECT_FIT_PARENT = 0; // without clip
    public static final int AR_ASPECT_FILL_PARENT = 1; // may clip
    public static final int AR_ASPECT_WRAP_CONTENT = 2;
    public static final int AR_MATCH_PARENT = 3;
    public static final int AR_16_9_FIT_PARENT = 4;
    public static final int AR_4_3_FIT_PARENT = 5;

    private MeasureHelper mMeasureHelper;

    public TextureRenderView(Context context) {
        super(context);
        initView(context);
    }

    public TextureRenderView(Context context, AttributeSet attrs) {
        super(context, attrs);
        initView(context);
    }

    public TextureRenderView(Context context, AttributeSet attrs,
                             int defStyleAttr) {
        super(context, attrs, defStyleAttr);
        initView(context);
    }

    @TargetApi(Build.VERSION_CODES.LOLLIPOP)
    public TextureRenderView(Context context, AttributeSet attrs,
                             int defStyleAttr, int defStyleRes) {
        super(context, attrs, defStyleAttr, defStyleRes);
        initView(context);
    }

    private void initView(Context context) {
        mMeasureHelper = new MeasureHelper(this);
    }

    public View getView() {
        return this;
    }

    public boolean shouldWaitForResize() {
        return false;
    }

    public void setVideoSize(int videoWidth, int videoHeight) {
        if (videoWidth > 0 && videoHeight > 0) {
            mMeasureHelper.setVideoSize(videoWidth, videoHeight);
            requestLayout();
        }
    }

    public void setVideoSampleAspectRatio(int videoSarNum, int videoSarDen) {
        if (videoSarNum > 0 && videoSarDen > 0) {
            mMeasureHelper.setVideoSampleAspectRatio(videoSarNum, videoSarDen);
            requestLayout();
        }
    }

    public void setVideoRotation(int degree) {
        mMeasureHelper.setVideoRotation(degree);
        setRotation(degree);
    }

    /**
     * 设置显示的宽高比. 类型有 static final int AR_ASPECT_FIT_PARENT = 0; // without clip
     * static final int AR_ASPECT_FILL_PARENT = 1; // may clip static final int
     * AR_ASPECT_WRAP_CONTENT = 2; static final int AR_MATCH_PARENT = 3; static
     * final int AR_16_9_FIT_PARENT = 4; static final int AR_4_3_FIT_PARENT = 5;
     */
    public void setDispalyRatio(int aspectRatio) {
        mMeasureHelper.setAspectRatio(aspectRatio);
        requestLayout();
    }

    @Override
    protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
        mMeasureHelper.doMeasure(widthMeasureSpec, heightMeasureSpec);
        setMeasuredDimension(mMeasureHelper.getMeasuredWidth(),
                mMeasureHelper.getMeasuredHeight());
    }

    @Override
    public void onInitializeAccessibilityEvent(AccessibilityEvent event) {
        super.onInitializeAccessibilityEvent(event);
        event.setClassName(TextureRenderView.class.getName());
    }

    @Override
    public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
        super.onInitializeAccessibilityNodeInfo(info);
        info.setClassName(TextureRenderView.class.getName());
    }
}