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Adding background protection to icons and apps button.

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Change-Id: I650f9135c0ce5bc2a6f7c5f878d470d6a85e9f7e
This commit is contained in:
Winson Chung
2010-11-29 17:15:47 -08:00
parent f28958bc00
commit 656d11c882
11 changed files with 103 additions and 45 deletions
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72
src/com/android/launcher2/BubbleTextView.java
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@@ -16,15 +16,17 @@
package com.android.launcher2;
import android.widget.TextView;
import android.content.Context;
import android.util.AttributeSet;
import android.content.res.Resources;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.RectF;
import android.graphics.drawable.Drawable;
import android.text.Layout;
import android.util.AttributeSet;
import android.view.View.MeasureSpec;
import com.android.launcher.R;
@@ -34,12 +36,15 @@ import com.android.launcher.R;
* too aggressive.
*/
public class BubbleTextView extends CacheableTextView {
static final float CORNER_RADIUS = 8.0f;
static final float PADDING_H = 5.0f;
static final float PADDING_V = 1.0f;
static final float CORNER_RADIUS = 4.0f;
static final float PADDING_H = 8.0f;
static final float PADDING_V = 3.0f;
private int mAppCellWidth;
private final RectF mRect = new RectF();
private Paint mPaint;
private float mBubbleColorAlpha;
private int mPrevAlpha = -1;
private boolean mBackgroundSizeChanged;
@@ -64,20 +69,31 @@ public class BubbleTextView extends CacheableTextView {
}
private void init() {
setFocusable(true);
mBackground = getBackground();
setFocusable(true);
setBackgroundDrawable(null);
final Resources res = getContext().getResources();
int bubbleColor = res.getColor(R.color.bubble_dark_background);
mPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
mPaint.setColor(getContext().getResources().getColor(R.color.bubble_dark_background));
mPaint.setColor(bubbleColor);
mBubbleColorAlpha = Color.alpha(bubbleColor) / 255.0f;
mAppCellWidth = (int) res.getDimension(R.dimen.app_icon_size);
final float scale = getContext().getResources().getDisplayMetrics().density;
final float scale = res.getDisplayMetrics().density;
mCornerRadius = CORNER_RADIUS * scale;
mPaddingH = PADDING_H * scale;
//noinspection PointlessArithmeticExpression
mPaddingV = PADDING_V * scale;
}
protected int getVerticalPadding() {
return (int) PADDING_V;
}
protected int getHorizontalPadding() {
return (int) PADDING_H;
}
public void applyFromShortcutInfo(ShortcutInfo info, IconCache iconCache) {
Bitmap b = info.getIcon(iconCache);
@@ -133,39 +149,53 @@ public class BubbleTextView extends CacheableTextView {
}
}
// Draw the hotdog bubble
final Layout layout = getLayout();
final RectF rect = mRect;
final int left = getCompoundPaddingLeft();
final int top = getExtendedPaddingTop();
final int offset = getExtendedPaddingTop();
final int paddingLeft = getPaddingLeft();
final int paddingRight = getPaddingRight();
final float left = layout.getLineLeft(0) + paddingLeft;
final float right = Math.min(layout.getLineRight(0) + paddingRight,
left + getWidth() - paddingLeft - paddingRight);
mRect.set(left - mPaddingH, offset + (int) layout.getLineTop(0) - mPaddingV,
right + mPaddingH, offset + (int) layout.getLineBottom(0) + mPaddingV);
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);
// TEMPORARILY DISABLE DRAWING ROUND RECT -- re-enable this when we tweak CacheableTextView
// to support padding so we can capture the "rounded" edges
//canvas.drawRoundRect(rect, mCornerRadius, mCornerRadius, mPaint);
canvas.drawRoundRect(mRect, mCornerRadius, mCornerRadius, mPaint);
super.draw(canvas);
}
@Override
protected void onSizeChanged(int w, int h, int oldw, int oldh) {
if (w > 0 && h > 0) {
// Temporary Workaround: We need to set padding to compress the text so that we can draw
// a hotdog around it. Currently, the background images prevent us from applying the
// padding in XML, so we are doing this programmatically
int d = w - mAppCellWidth;
int pL = d - (d / 2);
int pR = d - pL;
setPadding(pL, getPaddingTop(), pR, getPaddingBottom());
}
super.onSizeChanged(w, h, oldw, oldh);
}
@Override
protected void onAttachedToWindow() {
super.onAttachedToWindow();
mBackground.setCallback(this);
if (mBackground != null) mBackground.setCallback(this);
}
@Override
protected void onDetachedFromWindow() {
super.onDetachedFromWindow();
mBackground.setCallback(null);
if (mBackground != null) mBackground.setCallback(null);
}
@Override
protected boolean onSetAlpha(int alpha) {
if (mPrevAlpha != alpha) {
mPrevAlpha = alpha;
mPaint.setAlpha(alpha);
mPaint.setAlpha((int) (alpha * mBubbleColorAlpha));
super.onSetAlpha(alpha);
}
return true;