1 files changed, 113 insertions, 0 deletions
diff --git a/src/me/grantland/widget/AutofitLayout.java b/src/me/grantland/widget/AutofitLayout.java
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+++ b/src/me/grantland/widget/AutofitLayout.java
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+/*
+ * Copyright (C) 2014 Grantland Chew
+ *
+ * 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 me.grantland.widget;
+
+import android.content.Context;
+import android.content.res.TypedArray;
+import android.util.AttributeSet;
+import android.util.TypedValue;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.FrameLayout;
+import android.widget.TextView;
+
+import com.android.dialer.R;
+
+import java.util.WeakHashMap;
+
+/**
+ * A {@link ViewGroup} that re-sizes the text of it's children to be no larger than the width of the
+ * view.
+ *
+ * @attr ref R.styleable.AutofitTextView_sizeToFit
+ * @attr ref R.styleable.AutofitTextView_minTextSize
+ * @attr ref R.styleable.AutofitTextView_precision
+ */
+public class AutofitLayout extends FrameLayout {
+
+    private boolean mEnabled;
+    private float mMinTextSize;
+    private float mPrecision;
+    private WeakHashMap<View, AutofitHelper> mHelpers = new WeakHashMap<View, AutofitHelper>();
+
+    public AutofitLayout(Context context) {
+        super(context);
+        init(context, null, 0);
+    }
+
+    public AutofitLayout(Context context, AttributeSet attrs) {
+        super(context, attrs);
+        init(context, attrs, 0);
+    }
+
+    public AutofitLayout(Context context, AttributeSet attrs, int defStyle) {
+        super(context, attrs, defStyle);
+        init(context, attrs, defStyle);
+    }
+
+    private void init(Context context, AttributeSet attrs, int defStyle) {
+        boolean sizeToFit = true;
+        int minTextSize = -1;
+        float precision = -1;
+
+        if (attrs != null) {
+            TypedArray ta = context.obtainStyledAttributes(
+                    attrs,
+                    R.styleable.AutofitTextView,
+                    defStyle,
+                    0);
+            sizeToFit = ta.getBoolean(R.styleable.AutofitTextView_sizeToFit, sizeToFit);
+            minTextSize = ta.getDimensionPixelSize(R.styleable.AutofitTextView_minTextSize,
+                    minTextSize);
+            precision = ta.getFloat(R.styleable.AutofitTextView_precision, precision);
+            ta.recycle();
+        }
+
+        mEnabled = sizeToFit;
+        mMinTextSize = minTextSize;
+        mPrecision = precision;
+    }
+
+    @Override
+    public void addView(View child, int index, ViewGroup.LayoutParams params) {
+        super.addView(child, index, params);
+        TextView textView = (TextView) child;
+        AutofitHelper helper = AutofitHelper.create(textView)
+                .setEnabled(mEnabled);
+        if (mPrecision > 0) {
+            helper.setPrecision(mPrecision);
+        }
+        if (mMinTextSize > 0) {
+            helper.setMinTextSize(TypedValue.COMPLEX_UNIT_PX, mMinTextSize);
+        }
+        mHelpers.put(textView, helper);
+    }
+
+    /**
+     * Returns the {@link AutofitHelper} for this child View.
+     */
+    public AutofitHelper getAutofitHelper(TextView textView) {
+        return mHelpers.get(textView);
+    }
+
+    /**
+     * Returns the {@link AutofitHelper} for this child View.
+     */
+    public AutofitHelper getAutofitHelper(int index) {
+        return mHelpers.get(getChildAt(index));
+    }
+}