ADD week 5

2025-03-31 16:33:42 +02:00
parent 86f265f22d
commit bf645048e6
4927 changed files with 544053 additions and 0 deletions
--- a/02-Easy5/E5/sources/androidx/constraintlayout/utils/widget/MotionTelltales.java
+++ b/02-Easy5/E5/sources/androidx/constraintlayout/utils/widget/MotionTelltales.java
@@ -0,0 +1,125 @@
+package androidx.constraintlayout.utils.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.graphics.Canvas;
+import android.graphics.Matrix;
+import android.graphics.Paint;
+import android.util.AttributeSet;
+import android.view.ViewParent;
+import androidx.constraintlayout.motion.widget.MotionLayout;
+import androidx.constraintlayout.widget.R;
+
+/* loaded from: classes.dex */
+public class MotionTelltales extends MockView {
+    private static final String TAG = "MotionTelltales";
+    Matrix mInvertMatrix;
+    MotionLayout mMotionLayout;
+    private Paint mPaintTelltales;
+    int mTailColor;
+    float mTailScale;
+    int mVelocityMode;
+    float[] velocity;
+
+    public MotionTelltales(Context context) {
+        super(context);
+        this.mPaintTelltales = new Paint();
+        this.velocity = new float[2];
+        this.mInvertMatrix = new Matrix();
+        this.mVelocityMode = 0;
+        this.mTailColor = -65281;
+        this.mTailScale = 0.25f;
+        init(context, null);
+    }
+
+    public MotionTelltales(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        this.mPaintTelltales = new Paint();
+        this.velocity = new float[2];
+        this.mInvertMatrix = new Matrix();
+        this.mVelocityMode = 0;
+        this.mTailColor = -65281;
+        this.mTailScale = 0.25f;
+        init(context, attrs);
+    }
+
+    public MotionTelltales(Context context, AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        this.mPaintTelltales = new Paint();
+        this.velocity = new float[2];
+        this.mInvertMatrix = new Matrix();
+        this.mVelocityMode = 0;
+        this.mTailColor = -65281;
+        this.mTailScale = 0.25f;
+        init(context, attrs);
+    }
+
+    private void init(Context context, AttributeSet attrs) {
+        if (attrs != null) {
+            TypedArray obtainStyledAttributes = context.obtainStyledAttributes(attrs, R.styleable.MotionTelltales);
+            int indexCount = obtainStyledAttributes.getIndexCount();
+            for (int i = 0; i < indexCount; i++) {
+                int index = obtainStyledAttributes.getIndex(i);
+                if (index == R.styleable.MotionTelltales_telltales_tailColor) {
+                    this.mTailColor = obtainStyledAttributes.getColor(index, this.mTailColor);
+                } else if (index == R.styleable.MotionTelltales_telltales_velocityMode) {
+                    this.mVelocityMode = obtainStyledAttributes.getInt(index, this.mVelocityMode);
+                } else if (index == R.styleable.MotionTelltales_telltales_tailScale) {
+                    this.mTailScale = obtainStyledAttributes.getFloat(index, this.mTailScale);
+                }
+            }
+            obtainStyledAttributes.recycle();
+        }
+        this.mPaintTelltales.setColor(this.mTailColor);
+        this.mPaintTelltales.setStrokeWidth(5.0f);
+    }
+
+    @Override // android.view.View
+    protected void onAttachedToWindow() {
+        super.onAttachedToWindow();
+    }
+
+    public void setText(CharSequence text) {
+        this.mText = text.toString();
+        requestLayout();
+    }
+
+    @Override // android.view.View
+    protected void onLayout(boolean changed, int left, int top, int right, int bottom) {
+        super.onLayout(changed, left, top, right, bottom);
+        postInvalidate();
+    }
+
+    @Override // androidx.constraintlayout.utils.widget.MockView, android.view.View
+    public void onDraw(Canvas canvas) {
+        super.onDraw(canvas);
+        getMatrix().invert(this.mInvertMatrix);
+        if (this.mMotionLayout == null) {
+            ViewParent parent = getParent();
+            if (parent instanceof MotionLayout) {
+                this.mMotionLayout = (MotionLayout) parent;
+                return;
+            }
+            return;
+        }
+        int width = getWidth();
+        int height = getHeight();
+        float[] fArr = {0.1f, 0.25f, 0.5f, 0.75f, 0.9f};
+        for (int i = 0; i < 5; i++) {
+            float f = fArr[i];
+            for (int i2 = 0; i2 < 5; i2++) {
+                float f2 = fArr[i2];
+                this.mMotionLayout.getViewVelocity(this, f2, f, this.velocity, this.mVelocityMode);
+                this.mInvertMatrix.mapVectors(this.velocity);
+                float f3 = width * f2;
+                float f4 = height * f;
+                float[] fArr2 = this.velocity;
+                float f5 = fArr2[0];
+                float f6 = this.mTailScale;
+                float f7 = f4 - (fArr2[1] * f6);
+                this.mInvertMatrix.mapVectors(fArr2);
+                canvas.drawLine(f3, f4, f3 - (f5 * f6), f7, this.mPaintTelltales);
+            }
+        }
+    }
+}