1 files changed, 69 insertions, 0 deletions
diff --git a/src/com/android/launcher3/util/CellContentDimensions.kt b/src/com/android/launcher3/util/CellContentDimensions.kt
new file mode 100644
index 0000000000..3c8e0c44ca
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+++ b/src/com/android/launcher3/util/CellContentDimensions.kt
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2023 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.android.launcher3.util
+
+import com.android.launcher3.Utilities
+import kotlin.math.max
+
+class CellContentDimensions(
+    var iconSizePx: Int,
+    var iconDrawablePaddingPx: Int,
+    var iconTextSizePx: Int
+) {
+    /**
+     * This method goes through some steps to reduce the padding between icon and label, icon size
+     * and then label size, until it can fit in the [cellHeightPx].
+     *
+     * @return the height of the content after being sized down.
+     */
+    fun resizeToFitCellHeight(cellHeightPx: Int, iconSizeSteps: IconSizeSteps): Int {
+        var cellContentHeight = getCellContentHeight()
+
+        // Step 1. Decrease drawable padding
+        if (cellContentHeight > cellHeightPx) {
+            val diff = cellContentHeight - cellHeightPx
+            iconDrawablePaddingPx = max(0, iconDrawablePaddingPx - diff)
+            cellContentHeight = getCellContentHeight()
+        }
+
+        while (
+            (iconTextSizePx > iconSizeSteps.minimumIconLabelSize ||
+                iconSizePx > iconSizeSteps.minimumIconSize()) && cellContentHeight > cellHeightPx
+        ) {
+            // Step 2. Decrease icon size
+            iconSizePx = iconSizeSteps.getNextLowerIconSize(iconSizePx)
+            cellContentHeight = getCellContentHeight()
+
+            // Step 3. Decrease label size
+            if (cellContentHeight > cellHeightPx) {
+                iconTextSizePx =
+                    max(
+                        iconSizeSteps.minimumIconLabelSize,
+                        iconTextSizePx - IconSizeSteps.TEXT_STEP
+                    )
+                cellContentHeight = getCellContentHeight()
+            }
+        }
+
+        return cellContentHeight
+    }
+
+    /** Calculate new cellContentHeight */
+    fun getCellContentHeight(): Int {
+        val iconTextHeight = Utilities.calculateTextHeight(iconTextSizePx.toFloat())
+        return iconSizePx + iconDrawablePaddingPx + iconTextHeight
+    }
+}