| /* |
| * Copyright (C) 2010 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.launcher2; |
| |
| import com.android.launcher.R; |
| |
| import android.content.Context; |
| import android.graphics.Bitmap; |
| import android.graphics.Canvas; |
| import android.graphics.Paint; |
| import android.graphics.PorterDuff; |
| import android.util.AttributeSet; |
| |
| public class DimmableBubbleTextView extends BubbleTextView implements Dimmable { |
| private Paint mDimmedPaint = new Paint(); |
| private int mAlpha; |
| private Bitmap mDimmedView; |
| private Canvas mDimmedViewCanvas; |
| private boolean isDimmedViewUpdatePass; |
| private float mDimmableProgress; |
| |
| public DimmableBubbleTextView(Context context) { |
| super(context); |
| mDimmedPaint.setFilterBitmap(true); |
| } |
| |
| public DimmableBubbleTextView(Context context, AttributeSet attrs) { |
| super(context, attrs); |
| mDimmedPaint.setFilterBitmap(true); |
| } |
| |
| public DimmableBubbleTextView(Context context, AttributeSet attrs, int defStyle) { |
| super(context, attrs, defStyle); |
| mDimmedPaint.setFilterBitmap(true); |
| } |
| |
| public void setDimmableProgress(float progress) { |
| mDimmableProgress = progress; |
| } |
| |
| public float getDimmableProgress() { |
| return mDimmableProgress; |
| } |
| |
| @Override |
| protected void onLayout(boolean changed, int left, int top, int right, int bottom) { |
| super.onLayout(changed, left, top, right, bottom); |
| |
| if (mDimmedView == null) { |
| isDimmedViewUpdatePass = true; |
| mDimmedView = Bitmap.createBitmap(getMeasuredWidth(), getMeasuredHeight(), |
| Bitmap.Config.ARGB_8888); |
| mDimmedViewCanvas = new Canvas(mDimmedView); |
| mDimmedViewCanvas.concat(getMatrix()); |
| |
| draw(mDimmedViewCanvas); |
| |
| // MAKE THE DIMMED VERSION |
| int dimmedColor = getContext().getResources().getColor(R.color.dimmed_view_color); |
| mDimmedViewCanvas.drawColor(dimmedColor, PorterDuff.Mode.SRC_IN); |
| |
| isDimmedViewUpdatePass = false; |
| } |
| } |
| |
| @Override |
| protected void onDraw(Canvas canvas) { |
| if (isDimmedViewUpdatePass) { |
| canvas.save(); |
| final float alpha = getAlpha(); |
| super.setAlpha(1.0f); |
| super.onDraw(canvas); |
| super.setAlpha(alpha); |
| canvas.restore(); |
| } else { |
| super.onDraw(canvas); |
| } |
| |
| if (mDimmedView != null && mDimmableProgress > 0) { |
| mDimmedPaint.setAlpha((int) (mDimmableProgress * 255)); |
| canvas.drawBitmap(mDimmedView, mScrollX, mScrollY, mDimmedPaint); |
| } |
| } |
| } |