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Diffstat (limited to 'src/com/android/dialer/dialpad/SmartDialTextView.java')
-rw-r--r--src/com/android/dialer/dialpad/SmartDialTextView.java103
1 files changed, 103 insertions, 0 deletions
diff --git a/src/com/android/dialer/dialpad/SmartDialTextView.java b/src/com/android/dialer/dialpad/SmartDialTextView.java
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+++ b/src/com/android/dialer/dialpad/SmartDialTextView.java
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+/*
+ * Copyright (C) 2012 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.dialer.dialpad;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.graphics.Bitmap;
+import android.graphics.Canvas;
+import android.graphics.Paint;
+import android.graphics.Rect;
+import android.graphics.Paint.Align;
+import android.graphics.drawable.BitmapDrawable;
+import android.graphics.drawable.Drawable;
+import android.text.TextPaint;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.widget.TextView;
+
+import com.android.dialer.R;
+
+public class SmartDialTextView extends TextView {
+
+ private final float mPadding;
+ private final float mExtraPadding;
+ private static final String HIGH_CONFIDENCE_HINT = "\u2026";
+
+ public SmartDialTextView(Context context) {
+ this(context, null);
+ }
+
+ public SmartDialTextView(Context context, AttributeSet attrs) {
+ super(context, attrs);
+ mPadding = getResources().getDimension(R.dimen.smartdial_suggestions_padding);
+ mExtraPadding = getResources().getDimension(R.dimen.smartdial_suggestions_extra_padding);
+ }
+
+ /**
+ * Returns a drawable that resembles a sideways overflow icon. Used to indicate the presence
+ * of a high confidence match.
+ *
+ * @param res Resources that we will use to create our BitmapDrawable with
+ * @param textSize Size of drawable to create
+ * @param color Color of drawable to create
+ * @return The drawable drawn according to the given parameters
+ */
+ public static Drawable getHighConfidenceHintDrawable(final Resources res, final float textSize,
+ final int color) {
+ final Paint paint = new Paint();
+ paint.setAntiAlias(true);
+ paint.setTextAlign(Align.CENTER);
+ paint.setTextSize(textSize);
+ paint.setColor(color);
+ final Rect bounds = new Rect();
+ paint.getTextBounds(HIGH_CONFIDENCE_HINT, 0, HIGH_CONFIDENCE_HINT.length(), bounds);
+ final int width = bounds.width();
+ final int height = bounds.height();
+ final Bitmap buffer = Bitmap.createBitmap(
+ width, (height * 3 / 2), Bitmap.Config.ARGB_8888);
+ final Canvas canvas = new Canvas(buffer);
+ canvas.drawText(HIGH_CONFIDENCE_HINT, width / 2, height, paint);
+ return new BitmapDrawable(res, buffer);
+ }
+
+ @Override
+ protected void onTextChanged(CharSequence text, int start, int lengthBefore, int lengthAfter) {
+ super.onTextChanged(text, start, lengthBefore, lengthAfter);
+ rescaleText(getWidth());
+ }
+
+ @Override
+ protected void onSizeChanged(int w, int h, int oldw, int oldh) {
+ super.onSizeChanged(w, h, oldw, oldh);
+ rescaleText(w);
+ }
+
+ private void rescaleText(int w) {
+ if (w == 0) {
+ return;
+ }
+ setTextScaleX(1);
+ final Paint paint = getPaint();
+ float width = w - 2 * mPadding - 2 * mExtraPadding;
+
+ float ratio = width / paint.measureText(getText().toString());
+ if (ratio < 1.0f) {
+ setTextScaleX(ratio);
+ }
+ }
+}