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/*
* Copyright (C) 2011 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.calendar;
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Paint;
import android.graphics.Paint.Style;
import android.util.AttributeSet;
import android.view.View;
/**
* A custom view for a color chip for an event that can be drawn differently
* accroding to the event's status.
*
*/
public class ColorChipView extends View {
private static final String TAG = "ColorChipView";
// Style of drawing
// Full rectangle for accepted events
// Border for tentative events
// Cross-hatched with 50% transparency for declined events
public static final int DRAW_FULL = 0;
public static final int DRAW_BORDER = 1;
public static final int DRAW_FADED = 2;
private int mDrawStyle = DRAW_FULL;
private float mDefStrokeWidth;
private Paint mPaint;
private static final int DEF_BORDER_WIDTH = 4;
int mBorderWidth = DEF_BORDER_WIDTH;
int mColor;
public ColorChipView(Context context) {
super(context);
init();
}
public ColorChipView(Context context, AttributeSet attrs) {
super(context, attrs);
init();
}
private void init() {
mPaint = new Paint();
mDefStrokeWidth = mPaint.getStrokeWidth();
mPaint.setStyle(Style.FILL_AND_STROKE);
}
public void setDrawStyle(int style) {
if (style != DRAW_FULL && style != DRAW_BORDER && style != DRAW_FADED) {
return;
}
mDrawStyle = style;
invalidate();
}
public void setBorderWidth(int width) {
if (width >= 0) {
mBorderWidth = width;
invalidate();
}
}
public void setColor(int color) {
mColor = color;
invalidate();
}
@Override
public void onDraw(Canvas c) {
int right = getWidth() - 1;
int bottom = getHeight() - 1;
mPaint.setColor(mDrawStyle == DRAW_FADED ?
Utils.getDeclinedColorFromColor(mColor) : mColor);
switch (mDrawStyle) {
case DRAW_FADED:
case DRAW_FULL:
mPaint.setStrokeWidth(mDefStrokeWidth);
c.drawRect(0, 0, right, bottom, mPaint);
break;
case DRAW_BORDER:
if (mBorderWidth <= 0) {
return;
}
int halfBorderWidth = mBorderWidth / 2;
int top = halfBorderWidth;
int left = halfBorderWidth;
mPaint.setStrokeWidth(mBorderWidth);
float[] lines = new float[16];
int ptr = 0;
lines [ptr++] = 0;
lines [ptr++] = top;
lines [ptr++] = right;
lines [ptr++] = top;
lines [ptr++] = 0;
lines [ptr++] = bottom - halfBorderWidth;
lines [ptr++] = right;
lines [ptr++] = bottom - halfBorderWidth;
lines [ptr++] = left;
lines [ptr++] = 0;
lines [ptr++] = left;
lines [ptr++] = bottom;
lines [ptr++] = right - halfBorderWidth;
lines [ptr++] = 0;
lines [ptr++] = right - halfBorderWidth;
lines [ptr++] = bottom;
c.drawLines(lines, mPaint);
break;
}
}
}
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