/*
* 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.mogoo.launcher2;
import android.content.Context;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.RectF;
import android.util.AttributeSet;
import android.view.Gravity;
import android.widget.TextView;
import com.mogoo.launcher.R;
/**
* 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 {
static final float CORNER_RADIUS = 8.0f;
static final float PADDING_H = 5.0f;
static final float PADDING_V = 1.0f;
private final RectF mRect = new RectF();
private Paint mPaint;
private boolean mBackgroundSizeChanged;
// private Drawable mBackground;
private float mCornerRadius;
private float mPaddingH;
private float mPaddingV;
private Bitmap imageShadow;
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);
// mBackground = getBackground();
// mBackground.setAlpha(0);
setBackgroundDrawable(null);
mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPaint.setColor(getContext().getResources().getColor(R.color.bubble_dark_background));
final float scale = getContext().getResources().getDisplayMetrics().density;
mCornerRadius = CORNER_RADIUS * scale;
mPaddingH = PADDING_H * scale;
//noinspection PointlessArithmeticExpression
mPaddingV = PADDING_V * scale;
}
@Override
protected boolean setFrame(int left, int top, int right, int bottom) {
if (getLeft() != left || getRight() != right || getTop() != top || getBottom() != bottom) {
mBackgroundSizeChanged = true;
}
return super.setFrame(left, top, right, bottom);
}
// @Override
// protected boolean verifyDrawable(Drawable who) {
// return who == mBackground || super.verifyDrawable(who);
// }
@Override
protected void drawableStateChanged() {
// Drawable d = mBackground;
// if (d != null && d.isStateful()) {
// d.setState(getDrawableState());
// }
super.drawableStateChanged();
}
@Override
public void draw(Canvas canvas) {
// final Drawable background = null;
// if (background != null) {
// final int scrollX = mScrollX;
// final int scrollY = mScrollY;
//
// if (mBackgroundSizeChanged) {
// background.setBounds(0, 0, mRight - mLeft, mBottom - mTop);
// mBackgroundSizeChanged = false;
// }
//
// if ((scrollX | scrollY) == 0) {
// background.draw(canvas);
// } else {
// canvas.translate(scrollX, scrollY);
// background.draw(canvas);
// canvas.translate(-scrollX, -scrollY);
// }
//
//
// if (imageShadow==null)
// {
// imageShadow = Mogoo_BitmapUtils.getImageShadowBitmap(mContext);
// }
//
// canvas.drawBitmap(imageShadow, mScrollX , mScrollY, null);
// }
// final Layout layout = getLayout();
// final RectF rect = mRect;
// final int left = getCompoundPaddingLeft();
// final int top = getExtendedPaddingTop();
// rect.set(left + layout.getLineLeft(0) - mPaddingH,
// top + layout.getLineTop(0) - mPaddingV,
// Math.min(left + layout.getLineRight(0) + mPaddingH, mScrollX + mRight - mLeft),
// top + layout.getLineBottom(0) + mPaddingV);
// canvas.drawRoundRect(rect, mCornerRadius, mCornerRadius, mPaint);
super.draw(canvas);
}
@Override
public void setText(CharSequence text, BufferType type)
{
adjustGravity(text);
super.setText(text, type);
}
private void adjustGravity(CharSequence text)
{
Paint paint = getPaint();
if(paint == null || text == null || getGravity() == Gravity.RIGHT){
return;
}
float width = paint.measureText(text.toString());
Resources resources = getContext().getResources();
if(width > resources.getDimension(R.dimen.workspace_cell_width))
{
// setGravity(Gravity.LEFT);
setGravity(Gravity.CENTER);
}
else
{
setGravity(Gravity.CENTER);
}
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
// mBackground.setCallback(this);
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
// mBackground.setCallback(null);
}
}