ADD week 5

02-Easy5/E5/sources/com/google/android/material/carousel/CarouselStrategyHelper.java

@@ -0,0 +1,113 @@
+package com.google.android.material.carousel;
+
+import android.content.Context;
+import com.google.android.material.R;
+import com.google.android.material.carousel.KeylineState;
+
+/* loaded from: classes.dex */
+final class CarouselStrategyHelper {
+    static float addStart(float f, float f2, int i) {
+        return i > 0 ? f + (f2 / 2.0f) : f;
+    }
+
+    static float updateCurPosition(float f, float f2, float f3, int i) {
+        return i > 0 ? f2 + (f3 / 2.0f) : f;
+    }
+
+    private CarouselStrategyHelper() {
+    }
+
+    static float getExtraSmallSize(Context context) {
+        return context.getResources().getDimension(R.dimen.m3_carousel_gone_size);
+    }
+
+    static float getSmallSizeMin(Context context) {
+        return context.getResources().getDimension(R.dimen.m3_carousel_small_item_size_min);
+    }
+
+    static float getSmallSizeMax(Context context) {
+        return context.getResources().getDimension(R.dimen.m3_carousel_small_item_size_max);
+    }
+
+    static KeylineState createKeylineState(Context context, float f, float f2, Arrangement arrangement, int i) {
+        if (i == 1) {
+            return createCenterAlignedKeylineState(context, f, f2, arrangement);
+        }
+        return createLeftAlignedKeylineState(context, f, f2, arrangement);
+    }
+
+    static KeylineState createLeftAlignedKeylineState(Context context, float f, float f2, Arrangement arrangement) {
+        float min = Math.min(getExtraSmallSize(context) + f, arrangement.largeSize);
+        float f3 = min / 2.0f;
+        float f4 = 0.0f - f3;
+        float addStart = addStart(0.0f, arrangement.largeSize, arrangement.largeCount);
+        float updateCurPosition = updateCurPosition(0.0f, addEnd(addStart, arrangement.largeSize, arrangement.largeCount), arrangement.largeSize, arrangement.largeCount);
+        float addStart2 = addStart(updateCurPosition, arrangement.mediumSize, arrangement.mediumCount);
+        float addStart3 = addStart(updateCurPosition(updateCurPosition, addStart2, arrangement.mediumSize, arrangement.mediumCount), arrangement.smallSize, arrangement.smallCount);
+        float f5 = f3 + f2;
+        float childMaskPercentage = CarouselStrategy.getChildMaskPercentage(min, arrangement.largeSize, f);
+        float childMaskPercentage2 = CarouselStrategy.getChildMaskPercentage(arrangement.smallSize, arrangement.largeSize, f);
+        float childMaskPercentage3 = CarouselStrategy.getChildMaskPercentage(arrangement.mediumSize, arrangement.largeSize, f);
+        KeylineState.Builder addKeylineRange = new KeylineState.Builder(arrangement.largeSize, f2).addAnchorKeyline(f4, childMaskPercentage, min).addKeylineRange(addStart, 0.0f, arrangement.largeSize, arrangement.largeCount, true);
+        if (arrangement.mediumCount > 0) {
+            addKeylineRange.addKeyline(addStart2, childMaskPercentage3, arrangement.mediumSize);
+        }
+        if (arrangement.smallCount > 0) {
+            addKeylineRange.addKeylineRange(addStart3, childMaskPercentage2, arrangement.smallSize, arrangement.smallCount);
+        }
+        addKeylineRange.addAnchorKeyline(f5, childMaskPercentage, min);
+        return addKeylineRange.build();
+    }
+
+    static KeylineState createCenterAlignedKeylineState(Context context, float f, float f2, Arrangement arrangement) {
+        float f3;
+        float min = Math.min(getExtraSmallSize(context) + f, arrangement.largeSize);
+        float f4 = min / 2.0f;
+        float f5 = 0.0f - f4;
+        float addStart = addStart(0.0f, arrangement.smallSize, arrangement.smallCount);
+        float updateCurPosition = updateCurPosition(0.0f, addEnd(addStart, arrangement.smallSize, (int) Math.floor(arrangement.smallCount / 2.0f)), arrangement.smallSize, arrangement.smallCount);
+        float addStart2 = addStart(updateCurPosition, arrangement.mediumSize, arrangement.mediumCount);
+        float updateCurPosition2 = updateCurPosition(updateCurPosition, addEnd(addStart2, arrangement.mediumSize, (int) Math.floor(arrangement.mediumCount / 2.0f)), arrangement.mediumSize, arrangement.mediumCount);
+        float addStart3 = addStart(updateCurPosition2, arrangement.largeSize, arrangement.largeCount);
+        float updateCurPosition3 = updateCurPosition(updateCurPosition2, addEnd(addStart3, arrangement.largeSize, arrangement.largeCount), arrangement.largeSize, arrangement.largeCount);
+        float addStart4 = addStart(updateCurPosition3, arrangement.mediumSize, arrangement.mediumCount);
+        float addStart5 = addStart(updateCurPosition(updateCurPosition3, addEnd(addStart4, arrangement.mediumSize, (int) Math.ceil(arrangement.mediumCount / 2.0f)), arrangement.mediumSize, arrangement.mediumCount), arrangement.smallSize, arrangement.smallCount);
+        float f6 = f4 + f2;
+        float childMaskPercentage = CarouselStrategy.getChildMaskPercentage(min, arrangement.largeSize, f);
+        float childMaskPercentage2 = CarouselStrategy.getChildMaskPercentage(arrangement.smallSize, arrangement.largeSize, f);
+        float childMaskPercentage3 = CarouselStrategy.getChildMaskPercentage(arrangement.mediumSize, arrangement.largeSize, f);
+        KeylineState.Builder addAnchorKeyline = new KeylineState.Builder(arrangement.largeSize, f2).addAnchorKeyline(f5, childMaskPercentage, min);
+        if (arrangement.smallCount > 0) {
+            f3 = f6;
+            addAnchorKeyline.addKeylineRange(addStart, childMaskPercentage2, arrangement.smallSize, (int) Math.floor(arrangement.smallCount / 2.0f));
+        } else {
+            f3 = f6;
+        }
+        if (arrangement.mediumCount > 0) {
+            addAnchorKeyline.addKeylineRange(addStart2, childMaskPercentage3, arrangement.mediumSize, (int) Math.floor(arrangement.mediumCount / 2.0f));
+        }
+        addAnchorKeyline.addKeylineRange(addStart3, 0.0f, arrangement.largeSize, arrangement.largeCount, true);
+        if (arrangement.mediumCount > 0) {
+            addAnchorKeyline.addKeylineRange(addStart4, childMaskPercentage3, arrangement.mediumSize, (int) Math.ceil(arrangement.mediumCount / 2.0f));
+        }
+        if (arrangement.smallCount > 0) {
+            addAnchorKeyline.addKeylineRange(addStart5, childMaskPercentage2, arrangement.smallSize, (int) Math.ceil(arrangement.smallCount / 2.0f));
+        }
+        addAnchorKeyline.addAnchorKeyline(f3, childMaskPercentage, min);
+        return addAnchorKeyline.build();
+    }
+
+    static int maxValue(int[] iArr) {
+        int i = Integer.MIN_VALUE;
+        for (int i2 : iArr) {
+            if (i2 > i) {
+                i = i2;
+            }
+        }
+        return i;
+    }
+
+    static float addEnd(float f, float f2, int i) {
+        return f + (Math.max(0, i - 1) * f2);
+    }
+}