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Diffstat (limited to 'src/com/android/launcher/BubbleTextView.java')
-rw-r--r-- | src/com/android/launcher/BubbleTextView.java | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/com/android/launcher/BubbleTextView.java b/src/com/android/launcher/BubbleTextView.java new file mode 100644 index 000000000..730e08e7d --- /dev/null +++ b/src/com/android/launcher/BubbleTextView.java @@ -0,0 +1,78 @@ +/* + * Copyright (C) 2008 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.launcher; + +import android.widget.TextView; +import android.content.Context; +import android.util.AttributeSet; +import android.graphics.Canvas; +import android.graphics.Paint; +import android.graphics.RectF; +import android.graphics.Rect; +import android.text.Layout; + +/** + * TextView that draws a bubble behind the text. We cannot use a LineBackgroundSpan + * because we want to make the bubble taller than the text and TextView's clip is + * too aggressive. + */ +public class BubbleTextView extends TextView { + private static final float CORNER_RADIUS = 8.0f; + private static final float PADDING_H = 5.0f; + private static final float PADDING_V = 1.0f; + + private final RectF mRect = new RectF(); + private Paint mPaint; + + public BubbleTextView(Context context) { + super(context); + init(); + } + + public BubbleTextView(Context context, AttributeSet attrs) { + super(context, attrs); + init(); + } + + public BubbleTextView(Context context, AttributeSet attrs, int defStyle) { + super(context, attrs, defStyle); + init(); + } + + private void init() { + setFocusable(true); + + mPaint = new Paint(Paint.ANTI_ALIAS_FLAG); + mPaint.setColor(getContext().getResources().getColor(R.color.bubble_dark_background)); + } + + @Override + public void onDraw(Canvas canvas) { + final Layout layout = getLayout(); + final RectF rect = mRect; + final int left = getCompoundPaddingLeft(); + final int top = getExtendedPaddingTop(); + + rect.set(left + layout.getLineLeft(0) - PADDING_H, + top + layout.getLineTop(0) - PADDING_V, + left + layout.getLineRight(0) + PADDING_H, + top + layout.getLineBottom(0) + PADDING_V); + canvas.drawRoundRect(rect, CORNER_RADIUS, CORNER_RADIUS, mPaint); + + super.onDraw(canvas); + } +} |